Some standard content:
UDC.621.694:629.12.011.56
National Standard of the People's Republic of China
GB 11715 --89
Crude oil tank cleaning machine
Crude oil tank washing machine
Issued on November 15, 1989
Implemented on July 1, 1990
Issued by the State Bureau of Technical Supervision
National Standard of the People's Republic of China
Crude oil tank cleaning machine
Crude oil tank washing machine Main application range
GB 11715—89
This standard specifies the classification, technical specifications, test methods and inspection rules of oil tank cleaning machines (hereinafter referred to as tank cleaning machines) using oil (or seawater) as the medium.
The standard refers to the micro-machine used in the crude oil flow tank system of the oil tanker. The tank washing machine used in the tank can also refer to this standard. 2.
2. Deck fixed type refers to the type of tank washing machine fixed on the deck. Fixed type refers to the type of tank washing machine fixed in the oil tank. 2.2
Portable type refers to the type of tank washing machine that can be moved and hung on the oil tank. 2.3
Single spray tank washing machine is equipped with 4 nozzles. 2.5
Double spray refers to a tank washing machine equipped with two nozzles. 2.6 Program level refers to the type of tank washing machine that can perform tank washing operations according to the pre-adjusted sequence. 2.T Types other than non-program type and old program type. 2.8 Shadow doctor refers to the line drawn from the nozzle end of the tank washing machine to the tank support within the range, and then the projected image is made! 2. The direct spray point and the surface of the wood subjected to direct injection are measured and measured. 2. The direct spray refers to the impact force value generated by the continuous impact of the jet on the pressure plate. z,10 The effective range refers to the start of the washing machine when the jet pressure value is greater than or equal to 7kPa. 3 Product classification
3.1 Type
The tank cleaning machine is divided into three types according to the fixing method: plate fixing, submersible fixing and plate-mounted. 3.1.1
3.1.2 The early plate-shaped tank cleaning machine can be modified into two types: fixed type and convenient type. The plate-shaped tank cleaning machine can be made into two types of non-process types. The fixed type can be modified into a non-process type. 3.1.9
3.2 Basic parameters
8, 2.1 According to the requirements of Table 1, the State Technical Supervision Bureau approved 1-01 on November 15, 1989. Carbon diameter
T working pressure
GB11715-88
riny h
design value
3.2.2 The basic parameters of the fixed electric tank cleaning machine are mostly specified in Table 2. There is a "working pressure" GB11715-89 design value effective energy range positive brain light working pressure GB11715-89 design estimate convenient type washing inspection and other numerical verification table 3 provisions. 9.2.3 working pressure source mouth in the effective time design letter effective range positive value dynamic E value hidden need a path 3.3 production international 3.3.1 starting number
3.3.2 Standard 5
GB11715-89
Continued Table 3
For spraying
No position
Installation method Street number
Panel point
Q person solid system
Use to change seat
Main parameter code: Nozzle 1 diameter mm
Original washing machine
Send a 32mm diameter flow grid, marked! For YOJ32]Ce17159
Natural diameter is 15mm for non-programmed flow cabin machine, you record it as YQI-15QGB1171589
Yuezine diameter is 11mm more soul non-programmed control cabin ceremony, marked 3GB1171589||t t||4 Technical requirements
.·General requirements
GB11715—89
The cargo tank cleaning machine shall comply with the requirements of this standard and be manufactured according to the sample certified by the current standard. 4.2 Environmental conditions
The cargo tank cleaning machine shall be able to operate normally when the magnetic field is broken, the vibration is contained in the model, and the weaving speed is 5, and the longitudinal stiffness is 5. 4.9 Performance requirements
4.3.1 The operating characteristics of the cargo tank cleaning machine shall comply with the requirements of 1, Table 2, and Table 3 in Article 3.2, and the non-partial cargo tank surface covered by the jet of the machine shall be effectively cleaned under the conditions of meeting the selected operating procedures. 4.8.2 The spray of the cargo tank cleaning machine shall be a "precision sequence type" cleaning machine that can perform flushing operations in a predetermined sequence and can Manually adjust the required flow uniformity. 4.3. The pressure of the washing machine can withstand 1.2 times the maximum pressure under the condition of 1.5 times the maximum standard force. The machine crack phenomenon: the machine can withstand 1.2 times the maximum pressure under the condition of 1.5 ... No case is seen below. 4.3.9 The allowable operating temperature of the jet machine is not more than 92°C. 4.3.10 The number and layout of the washing machines,
4.3.1D.1 The number and layout of the washing machines in the cargo tank must be determined. When setting, a shadow diagram should be drawn according to the oil tank. 4.3.10.2 The shadow of each cargo oil should make the number of washing machines reach the following requirements: 4. For the upper surface of the longitudinal material and other main parts of the cargo tank, the weak damaged beams or plates, new expansions, longitudinal materials or other similar large components should not be directly irradiated by the jet, and the total water content should not exceed 1% of the total water content of the center of the tank bottom and the upper surface of the longitudinal and other main parts of the cargo tank.
b. For the vertical bulkhead, the vertical coverage should be The total area of the jet should not exceed 15% of the total area of the tank when the vertical, vertical and other major structural elements are blocked and cannot be affected by the jet: 4.3.11 Tank Washing Machine Operation Strategy
. Name, 11, 1 Diameter of the sound path of the washing machine, the maximum number of washing machines required for operation: Design a pressure and arrangement diagram as follows:
4.3.11.2 Tire washing machine pipeline flexible connection to prevent pressure from exceeding the allowable value. The oil discharged should be directed to the suction end of the system to prevent the oil from exceeding the allowable value.
.3.11.3 The washing machine pipeline shall be firmly fixed on the structure in an appropriate position and measures shall be taken to allow it to have enough space to realize the deformation and thermal image of the cells. 4.3.711. Each optical machine can be installed on the modified product. 4.3.11.5 The oil-water combined washing supply pipeline shall be designed to allow the oil and water in the pipeline to be drained to dryness or other oil before washing.
4.8.12 Washing machine steam
4.3.12.1 Washing disorder, the oil is the washing tank towel. 12,2 The flow rate of the pump is the product required by the operation of the tank. Most of the sand tanks work under the designed pressure and flow. 4.4 Material requirements
GB11716-B#
Material list 4 for main parts of deck-fixed tank cleaning machine. Table 4
Control·Not included
Nozzle
Pipeline
Nozzle
Continuous refrigeration
Qian Laokou
Stainless steel
For domestic tank cleaning and other mail materials, please refer to Table 5
Hai She Nan Inquiry
: Fast Sales Certificate
Transparent Gun
2Q5555
UCrBVI2M3T
Z0Sn5-55
Cr18N12M2T
Chemical composition, %
.(-.52.5~5.0
For machine parts, please refer to Table 6.
Street Lover's Meat
ZQSn5 ^ - 5
Beixue Chengyuan
.010.53.1:~5.h
1.1 ~ 3.1
Standard number
CB2270-80
GU1176-87
GB1220—84
GR11687
Standard number
Nim:n\
GB11T15--a9
4..4 For non-copper materials in the tank or atmosphere exposed to the tank cleaning machine, stainless steel shall be coated with cypress ring paint or a cleaning agent with a better resistance to oil and oxygen than that of the tank cleaning machine.
5 Test method
5.1 Test conditions
5.1.! The test shall be carried out at room temperature with full water (or poisonous water). 5.1.2 The wind conditions should be recorded in advance during the trial. When the test is effective, the wind speed in the wrong direction should be less than 1 and the maximum longitudinal wind speed should be 3m/s.
|5.2 Test equipment
5.2.1 The test equipment is composed of an action test room, a measuring room, a mobile gear, a dynamic pressure test equipment, etc. The system principle is shown in the figure above.
Deck solid water gun washing machine
Air bird
Thermometer
H force in
Test internal medical mode
Night stop time
New heart transmission fee
The crude oil tank washing machine test source is small and you can also
The water source of the test state, its pressure drain plate should be adjustable to meet the test needs of tank washing of different specifications. 5.2.2
Flowmeters for measuring the water supply of tank washing systems must be calibrated with an accuracy of not less than 1.5. The flowmeters for measuring the water supply of tank washing systems must have an accuracy of not less than 1.5 and should be installed near the tank washing machines after calibration. The action tester should be equipped with an observation window to facilitate observation of the spray movement of the tank washing machine during the action test. The general distance between the nozzle center and the moving baffle is about 5m. The moving baffle can start to move on the guide rail. When the moving baffle is installed, it is caused by the fixing device. The movable baffle is made of steel. In order to reduce the noise, the inner part of the steel plate is filled with water. 5.2.8
Moving baffle: A jet impact load bearing plate shall be set. The bearing plate shall be a small round plate with a diameter of 6 mm. 5.2.10
The concrete foundation for the installation guide shall be provided with a groove with a slope of 1/10, so that the water outside the baffle can be used for water circulation. The dynamic pressure measuring device consists of a jet impact bearing plate, a pressure sensor, a filter, a dynamic strain gauge, and an oscilloscope. 5.2.11
5.2.12 The wave arrester shall be able to remove high-frequency components above 10 Hz. GH1171E-85
5.2.13. Dynamic generation, the oscillator and the filter shall be equipped with a measuring frequency that can be waterproof and light-shielding. The measuring room should be at the lightest position in the center of the nozzle: 5.3 Test content
5.3,1 External inspection
After the assembly of the flow chamber machine is completed, the appearance (including installation) must be inspected in accordance with the requirements of the standard and the second drawing. 5.3.2 Manual action test
5.8.2.1 At the start of the nozzle (or the angle adjustment handle), check whether the nozzle operation is smooth. If there is an indicator, check whether the pointer of the nozzle direction indicator is consistent with the actual nozzle speed. 5.3.2.2 At the start of the nozzle body (or the left and right handle), check whether the nozzle body rotates smoothly. If there is an indicator, check whether the pointer of the nozzle direction indicator is consistent with the actual nozzle speed. 5.4.3 Water action test
5.3.3 .1 For the pressure-bearing parts of the tank cleaning machine, a strength test shall be conducted with a pressure of 1.5 times the maximum working pressure. After maintaining the pressure for 5 minutes, there shall be no cracks or abnormalities.
5.3.3.2 After the whole machine is assembled, a micro-sealing test shall be conducted with a pressure of 1.25 times the maximum working pressure. After the pressure is maintained for .5 minutes, there shall be no leakage.
5.3.3.3 The tank cleaning machine shall be operated continuously in the action test room under a working pressure of 1.0M1a. According to the action mode of the tank cleaning machine, the required action time shall be confirmed. If there is an indicator, the action status can be clearly shown on the indicator, and it can be confirmed with eyes after close observation. For the sequential type tank cleaning machine, the spraying pressure can be manually set to any position for confirmation. During the test, the following items shall be determined:
a, action The time required for the alternating cycle, 5b. Fast pressure, MPa:
c. Water pressure, m/h
d. Water temperature, m/h
5.3.4 Dynamic pressure value determination test
5.3.4.1 Align the nozzles of the inspection machine horizontally with the center of the impact load measuring device, place the movable baffle on the effective injection zone, and then perform dynamic pressure determination in turn according to the standard loads in Table 1, Table 2, and Table 3 in 3.2. The dynamic pressure value must be no less than 7kPa. During the test period, the following items should be measured:
Wind pressure, m/8;
b. Water temperature and temperature,
supply pressure, MP
supply, m/h
time water dynamic pressure value, kpa.
The test results shall meet the requirements of Table 1, Table 2 and Table 3 in Article 3.2 respectively. 5..4.2 Calculation method of dynamic pressure signal:
The dynamic flow shall be calculated based on the records collected after the residual flow stabilizes, and the calculation results shall meet the following requirements, fd!
Where M is the effective dynamic pressure value, kPa1
"(!) The measured dynamic wave effect is again, ka:,!? After the water jet stabilizes, it leaks for a certain period of time.
Inspection rules
The cabin engine shall undergo type inspection and factory training, 6.1 Type inspection||tt ||GB11715—89
6.1.1 When the following conditions are met, type inspection should be carried out: a. New products and old products should be tested and finalized; b. After production, when there are significant differences in structure, materials, and technology, which may affect product performance; when the factory inspection results are significantly different from the first type inspection: d. Or batch production should be run once every four years.
.6.1.2 Type inspection items and requirements are as shown in Table 7. Ning| 6.2 Delivery - Inspection Manual action test Manual action test Dynamic pressure re-measurement test method and method 6.2.1 Before delivery, products must be inspected according to 5.3.1, 5.3.2 and 5.3.3. 10% (at least 200) of each batch of products shall be subjected to dynamic pressure test according to the required diameter and working pressure. If the random inspection does not meet the requirements, Double the number of unqualified products shall be retested. If the test fails, except for the products that fail the first test, the rest shall be submitted to the delivery hall and abandoned. If they fail to meet the requirements of the second test, the manufacturer shall conduct dynamic pressure test according to the caliber required by the ordering party after eliminating the defects. 7 Marking, packaging, transportation and storage
The name of the washing machine should include:
Product name:
Inspection certificate:
Second note, M PB
Flow rate, mh:
Effective range, m11
Manufacturer name:
Manufacture date.
7.2 Packing and transportation. Storage
1.2.1 The fixed flow chamber machine can be packed separately, and each packing box must have the name and logo of the cow. 7.2.2 The product should be sealed with bamboo oil before packing, and all holes should be covered or punched. 1.2.8 The manufacturer should confirm that the items in the box are complete and fixed firmly, and after sealing the packaging, put the shipping list with the visa and the random documents into the plastic bag, and seal it for shipment. Delivery: 10
CB11715-B9
7.2.4 After packing, the product should be suitable for transportation, and the packaging should be rainproof. 7.2.5 The product should be stored in a sealed container, and no exposure or noise is allowed. 7.2.8 Under the correct packaging, transportation, storage, and use instructions, the warranty period is months from delivery, and the service life is 12 months.
T.2. Product quality,
Product temperature certificate
b, use instructions;
Attachments:
Packing list.
Additional instructions:
This standard was proposed by China Shipbuilding Industry Corporation. This standard was drafted by the Seventh Institute of China Shipbuilding Industry Corporation.
The main drafter of the standard is Lian Anping.
This standard is similar to the A-46 (X) "Revision: Speed Disinfection System Design, Operation and Control Technology Case" and the A-46 (X) "Revision of the System Design, Operation and Control Technology Case".4. For non-copper materials in the tank or atmosphere exposed to the tank cleaning machine, stainless steel should be coated with a cypress ring paint, or a cleaning agent with a better resistance to oil and oxygen than the oil.
5 Test method
5.1 Test conditions
5.1. The test is carried out at room temperature with full water (or poisonous water). 5.1.2 The wind conditions should be recorded in advance during the trial. When the test is effective, the wind speed in the wrong direction should be less than 1 and the maximum longitudinal wind speed should be 3m/s.
|5.2 Test equipment
5.2.1 The test equipment is composed of an action test room, a measuring room, a mobile gear, a dynamic pressure test equipment, etc. The system principle is shown in the figure above.
Deck solid water gun washing machine
Air bird
Thermometer
H force in
Test internal medical mode
Night stop time
New heart transmission fee
The crude oil tank washing machine test source is small and you can also
The water source of the test state, its pressure drain plate should be adjustable to meet the test needs of tank washing of different specifications. 5.2.2
Flowmeters for measuring the water supply of tank washing systems must be calibrated with an accuracy of not less than 1.5. The flowmeters for measuring the water supply of tank washing systems must have an accuracy of not less than 1.5 and should be installed near the tank washing machines after calibration. The action tester should be equipped with an observation window to facilitate observation of the spray movement of the tank washing machine during the action test. The general distance between the nozzle center and the moving baffle is about 5m. The moving baffle can start to move on the guide rail. When the moving baffle is installed, it is caused by the fixing device. The movable baffle is made of steel. In order to reduce the noise, the inner part of the steel plate is filled with water. 5.2.8
Moving baffle: A jet impact load bearing plate shall be set. The bearing plate shall be a small round plate with a diameter of 6 mm. 5.2.10
The concrete foundation for the installation guide shall be provided with a groove with a slope of 1/10, so that the water outside the baffle can be used for water circulation. The dynamic pressure measuring device consists of a jet impact bearing plate, a pressure sensor, a filter, a dynamic strain gauge, and an oscilloscope. 5.2.11
5.2.12 The wave arrester shall be able to remove high-frequency components above 10 Hz. GH1171E-85
5.2.13. Dynamic generation, the oscillator and the filter shall be equipped with a measuring frequency that can be waterproof and light-shielding. The measuring room should be at the lightest position in the center of the nozzle: 5.3 Test content
5.3,1 External inspection
After the assembly of the flow chamber machine is completed, the appearance (including installation) must be inspected in accordance with the requirements of the standard and the second drawing. 5.3.2 Manual action test
5.8.2.1 At the start of the nozzle (or the angle adjustment handle), check whether the nozzle operation is smooth. If there is an indicator, check whether the pointer of the nozzle direction indicator is consistent with the actual nozzle speed. 5.3.2.2 At the start of the nozzle body (or the left and right handle), check whether the nozzle body rotates smoothly. If there is an indicator, check whether the pointer of the nozzle direction indicator is consistent with the actual nozzle speed. 5.4.3 Water action test
5.3.3 .1 For the pressure-bearing parts of the tank cleaning machine, a strength test shall be conducted with a pressure of 1.5 times the maximum working pressure. After maintaining the pressure for 5 minutes, there shall be no cracks or abnormalities.
5.3.3.2 After the whole machine is assembled, a micro-sealing test shall be conducted with a pressure of 1.25 times the maximum working pressure. After the pressure is maintained for .5 minutes, there shall be no leakage.
5.3.3.3 The tank cleaning machine shall be operated continuously in the action test room under a working pressure of 1.0M1a. According to the action mode of the tank cleaning machine, the required action time shall be confirmed. If there is an indicator, the action status can be clearly shown on the indicator, and it can be confirmed with eyes after close observation. For the sequential type tank cleaning machine, the spraying pressure can be manually set to any position for confirmation. During the test, the following items shall be determined:
a, action The time required for the alternating cycle, 5b. Fast pressure, MPa:
c. Water pressure, m/h
d. Water temperature, m/h
5.3.4 Dynamic pressure value determination test
5.3.4.1 Align the nozzles of the inspection machine horizontally with the center of the impact load measuring device, place the movable baffle on the effective injection zone, and then perform dynamic pressure determination in turn according to the standard loads in Table 1, Table 2, and Table 3 in 3.2. The dynamic pressure value must be no less than 7kPa. During the test period, the following items should be measured:
Wind pressure, m/8;
b. Water temperature and temperature,
supply pressure, MP
supply, m/h
time water dynamic pressure value, kpa.
The test results shall meet the requirements of Table 1, Table 2 and Table 3 in Article 3.2 respectively. 5..4.2 Calculation method of dynamic pressure signal:
The dynamic flow shall be calculated based on the records collected after the residual flow stabilizes, and the calculation results shall meet the following requirements, fd!
Where M is the effective dynamic pressure value, kPa1
"(!) The measured dynamic wave effect is again, ka:,!? After the water jet stabilizes, it leaks for a certain period of time.
Inspection rules
The cabin engine shall undergo type inspection and factory training, 6.1 Type inspection||tt ||GB11715—89
6.1.1 When the following conditions are met, type inspection should be carried out: a. New products and old products should be tested and finalized; b. After production, when there are significant differences in structure, materials, and technology, which may affect product performance; when the factory inspection results are significantly different from the first type inspection: d. Or batch production should be run once every four years.
.6.1.2 Type inspection items and requirements are as shown in Table 7. Ning| 6.2 Delivery - Inspection Manual action test Manual action test Dynamic pressure re-measurement test method and method 6.2.1 Before delivery, products must be inspected according to 5.3.1, 5.3.2 and 5.3.3. 10% (at least 200) of each batch of products shall be subjected to dynamic pressure test according to the required diameter and working pressure. If the random inspection does not meet the requirements, Double the number of unqualified products shall be retested. If the test fails, except for the products that fail the first test, the rest shall be submitted to the delivery hall and abandoned. If they fail to meet the requirements of the second test, the manufacturer shall conduct dynamic pressure test according to the caliber required by the ordering party after eliminating the defects. 7 Marking, packaging, transportation and storage
The name of the washing machine should include:
Product name:
Inspection certificate:
Second note, M PB
Flow rate, mh:
Effective range, m11
Manufacturer name:
Manufacture date.
7.2 Packing and transportation. Storage
1.2.1 The fixed flow chamber machine can be packed separately, and each packing box must have the name and logo of the cow. 7.2.2 The product should be sealed with bamboo oil before packing, and all holes should be covered or punched. 1.2.8 The manufacturer should confirm that the items in the box are complete and fixed firmly, and after sealing the packaging, put the shipping list with the visa and the random documents into the plastic bag, and seal it for shipment. Delivery: 10
CB11715-B9
7.2.4 After packing, the product should be suitable for transportation, and the packaging should be rainproof. 7.2.5 The product should be stored in a sealed container, and no exposure or noise is allowed. 7.2.8 Under the correct packaging, transportation, storage, and use instructions, the warranty period is months from delivery, and the service life is 12 months.
T.2. Product quality,
Product temperature certificate
b, use instructions;
Attachments:
Packing list.
Additional instructions:
This standard was proposed by China Shipbuilding Industry Corporation. This standard was drafted by the Seventh Institute of China Shipbuilding Industry Corporation.
The main drafter of the standard is Lian Anping.
This standard is similar to the A-46 (X) "Revision: Speed Disinfection System Design, Operation and Control Technology Case" and the A-46 (X) "Revision of the System Design, Operation and Control Technology Case".4. For non-copper materials in the tank or atmosphere exposed to the tank cleaning machine, stainless steel should be coated with a cypress ring paint, or a cleaning agent with a better resistance to oil and oxygen than the oil.
5 Test method
5.1 Test conditions
5.1. The test is carried out at room temperature with full water (or poisonous water). 5.1.2 The wind conditions should be recorded in advance during the trial. When the test is effective, the wind speed in the wrong direction should be less than 1 and the maximum longitudinal wind speed should be 3m/s.
|5.2 Test equipment
5.2.1 The test equipment is composed of an action test room, a measuring room, a mobile gear, a dynamic pressure test equipment, etc. The system principle is shown in the figure above.
Deck solid water gun washing machine
Air bird
Thermometer
H force in
Test internal medical mode
Night stop time
New heart transmission fee
The crude oil tank washing machine test source is small and you can also
The water source of the test state, its pressure drain plate should be adjustable to meet the test needs of tank washing of different specifications. 5.2.2
Flowmeters for measuring the water supply of tank washing systems must be calibrated with an accuracy of not less than 1.5. The flowmeters for measuring the water supply of tank washing systems must have an accuracy of not less than 1.5 and should be installed near the tank washing machines after calibration. The action tester should be equipped with an observation window to facilitate observation of the spray movement of the tank washing machine during the action test. The general distance between the nozzle center and the moving baffle is about 5m. The moving baffle can start to move on the guide rail. When the moving baffle is installed, it is caused by the fixing device. The movable baffle is made of steel. In order to reduce the noise, the inner part of the steel plate is filled with water. 5.2.8
Moving baffle: A jet impact load bearing plate shall be set. The bearing plate shall be a small round plate with a diameter of 6 mm. 5.2.10
The concrete foundation for the installation guide shall be provided with a groove with a slope of 1/10, so that the water outside the baffle can be used for water circulation. The dynamic pressure measuring device consists of a jet impact bearing plate, a pressure sensor, a filter, a dynamic strain gauge, and an oscilloscope. 5.2.11
5.2.12 The wave arrester shall be able to remove high-frequency components above 10 Hz. GH1171E-85
5.2.13. Dynamic generation, the oscillator and the filter shall be equipped with a measuring frequency that can be waterproof and light-shielding. The measuring room should be at the lightest position in the center of the nozzle: 5.3 Test content
5.3,1 External inspection
After the assembly of the flow chamber machine is completed, the appearance (including installation) must be inspected in accordance with the requirements of the standard and the second drawing. 5.3.2 Manual action test
5.8.2.1 At the start of the nozzle (or the angle adjustment handle), check whether the nozzle operation is smooth. If there is an indicator, check whether the pointer of the nozzle direction indicator is consistent with the actual nozzle speed. 5.3.2.2 At the start of the nozzle body (or the left and right handle), check whether the nozzle body rotates smoothly. If there is an indicator, check whether the pointer of the nozzle direction indicator is consistent with the actual nozzle speed. 5.4.3 Water action test
5.3.3 .1 For the pressure-bearing parts of the tank cleaning machine, a strength test shall be conducted with a pressure of 1.5 times the maximum working pressure. After maintaining the pressure for 5 minutes, there shall be no cracks or abnormalities.
5.3.3.2 After the whole machine is assembled, a micro-sealing test shall be conducted with a pressure of 1.25 times the maximum working pressure. After the pressure is maintained for .5 minutes, there shall be no leakage.
5.3.3.3 The tank cleaning machine shall be operated continuously in the action test room under a working pressure of 1.0M1a. According to the action mode of the tank cleaning machine, the required action time shall be confirmed. If there is an indicator, the action status can be clearly shown on the indicator, and it can be confirmed with eyes after close observation. For the sequential type tank cleaning machine, the spraying pressure can be manually set to any position for confirmation. During the test, the following items shall be determined:
a, action The time required for the alternating cycle, 5b. Fast pressure, MPa:
c. Water pressure, m/h
d. Water temperature, m/h
5.3.4 Dynamic pressure value determination test
5.3.4.1 Align the nozzles of the inspection machine horizontally with the center of the impact load measuring device, place the movable baffle on the effective injection zone, and then perform dynamic pressure determination in turn according to the standard loads in Table 1, Table 2, and Table 3 in 3.2. The dynamic pressure value must be no less than 7kPa. During the test period, the following items should be measured:
Wind pressure, m/8;
b. Water temperature and temperature,
supply pressure, MP
supply, m/h
time water dynamic pressure value, kpa.
The test results shall meet the requirements of Table 1, Table 2 and Table 3 in Article 3.2 respectively. 5..4.2 Calculation method of dynamic pressure signal:
The dynamic flow shall be calculated based on the records collected after the residual flow stabilizes, and the calculation results shall meet the following requirements, fd!
Where M is the effective dynamic pressure value, kPa1
"(!) The measured dynamic wave effect is again, ka:,!? After the water jet stabilizes, it leaks for a certain period of time.
Inspection rules
The cabin engine shall undergo type inspection and factory training, 6.1 Type inspection||tt ||GB11715—89
6.1.1 When the following conditions are met, type inspection should be carried out: a. New products and old products should be tested and finalized; b. After production, when there are significant differences in structure, materials, and technology, which may affect product performance; when the factory inspection results are significantly different from the first type inspection: d. Or batch production should be run once every four years.
.6.1.2 Type inspection items and requirements are as shown in Table 7. Ning| 6.2 Delivery - Inspection Manual action test Manual action test Dynamic pressure re-measurement test method and method 6.2.1 Before delivery, products must be inspected according to 5.3.1, 5.3.2 and 5.3.3. 10% (at least 200) of each batch of products shall be subjected to dynamic pressure test according to the required diameter and working pressure. If the random inspection does not meet the requirements, Double the number of unqualified products shall be retested. If the test fails, except for the products that fail the first test, the rest shall be submitted to the delivery hall and abandoned. If they fail to meet the requirements of the second test, the manufacturer shall conduct dynamic pressure test according to the caliber required by the ordering party after eliminating the defects. 7 Marking, packaging, transportation and storage
The name of the washing machine should include:
Product name:
Inspection certificate:
Second note, M PB
Flow rate, mh:
Effective range, m11
Manufacturer name:
Manufacture date.
7.2 Packing and transportation. Storage
1.2.1 The fixed flow chamber machine can be packed separately, and each packing box must have the name and logo of the cow. 7.2.2 The product should be sealed with bamboo oil before packing, and all holes should be covered or punched. 1.2.8 The manufacturer should confirm that the items in the box are complete and fixed firmly, and after sealing the packaging, put the shipping list with the visa and the random documents into the plastic bag, and seal it for shipment. Delivery: 10
CB11715-B9
7.2.4 After packing, the product should be suitable for transportation, and the packaging should be rainproof. 7.2.5 The product should be stored in a sealed container, and no exposure or noise is allowed. 7.2.8 Under the correct packaging, transportation, storage, and use instructions, the warranty period is months from delivery, and the service life is 12 months.
T.2. Product quality,
Product temperature certificate
b, use instructions;
Attachments:
Packing list.
Additional instructions:
This standard was proposed by China Shipbuilding Industry Corporation. This standard was drafted by the Seventh Institute of China Shipbuilding Industry Corporation.
The main drafter of the standard is Lian Anping.
This standard is similar to the A-46 (X) "Revision: Speed Disinfection System Design, Operation and Control Technology Case" and the A-46 (X) "Revision of the System Design, Operation and Control Technology Case".1 The test equipment consists of a motion test room, a measuring room, a mobile gear, a dynamic pressure test equipment, etc. The system principle is shown in the figure above. The pressure gauge of the deck water washing machine should be adjustable to meet the different specifications of the tank washing test needs. 5.2.2 The flow meter for measuring the water supply of the tank washing system must be calibrated, and its accuracy shall not be less than 1.5 level. The pressure gauge of the tank washing machine supply and demand shall have an accuracy of not less than 1.5 level and shall be installed near the tank washing machine after calibration. The motion tester should set up an observation window to facilitate observing the movement of the washing machine spray during the motion test. The general distance between the nozzle center and the moving baffle is about 5m. The mover can start moving on the guide rail. When the moving emulsion is installed as required, it is caused by the fixed device. The movable baffle is made of steel. In order to reduce the noise, the inner part of the steel plate is filled with water. 5.2.8
Moving baffle: A jet impact load bearing plate shall be set. The bearing plate shall be a small round plate with a diameter of 6 mm. 5.2.10
The concrete foundation for the installation guide shall be provided with a groove with a slope of 1/10, so that the water outside the baffle can be used for water circulation. The dynamic pressure measuring device consists of a jet impact bearing plate, a pressure sensor, a filter, a dynamic strain gauge, and an oscilloscope. 5.2.11
5.2.12 The wave arrester shall be able to remove high-frequency components above 10 Hz. GH1171E-85
5.2.13. Dynamic generation, the oscillator and the filter shall be equipped with a measuring frequency that can be waterproof and light-shielding. The measuring room should be at the lightest position in the center of the nozzle: 5.3 Test content
5.3,1 External inspection
After the assembly of the flow chamber machine is completed, the appearance (including installation) must be inspected in accordance with the requirements of the standard and the second drawing. 5.3.2 Manual action test
5.8.2.1 At the start of the nozzle (or the angle adjustment handle), check whether the nozzle operation is smooth. If there is an indicator, check whether the pointer of the nozzle direction indicator is consistent with the actual nozzle speed. 5.3.2.2 At the start of the nozzle body (or the left and right handle), check whether the nozzle body rotates smoothly. If there is an indicator, check whether the pointer of the nozzle direction indicator is consistent with the actual nozzle speed. 5.4.3 Water action test
5.3.3 .1 For the pressure-bearing parts of the tank cleaning machine, a strength test shall be conducted with a pressure of 1.5 times the maximum working pressure. After maintaining the pressure for 5 minutes, there shall be no cracks or abnormalities.
5.3.3.2 After the whole machine is assembled, a micro-sealing test shall be conducted with a pressure of 1.25 times the maximum working pressure. After the pressure is maintained for .5 minutes, there shall be no leakage.
5.3.3.3 The tank cleaning machine shall be operated continuously in the action test room under a working pressure of 1.0M1a. According to the action mode of the tank cleaning machine, the required action time shall be confirmed. If there is an indicator, the action status can be clearly shown on the indicator, and it can be confirmed with eyes after close observation. For the sequential type tank cleaning machine, the spraying pressure can be manually set to any position for confirmation. During the test, the following items shall be determined:
a, action The time required for the alternating cycle, 5b. Fast pressure, MPa:
c. Water pressure, m/h
d. Water temperature, m/h
5.3.4 Dynamic pressure value determination test
5.3.4.1 Align the nozzles of the inspection machine horizontally with the center of the impact load measuring device, place the movable baffle on the effective injection zone, and then perform dynamic pressure determination in turn according to the standard loads in Table 1, Table 2, and Table 3 in 3.2. The dynamic pressure value must be no less than 7kPa. During the test period, the following items should be measured:
Wind pressure, m/8;
b. Water temperature and temperature,
supply pressure, MP
supply, m/h
time water dynamic pressure value, kpa.
The test results shall meet the requirements of Table 1, Table 2 and Table 3 in Article 3.2 respectively. 5..4.2 Calculation method of dynamic pressure signal:
The dynamic flow shall be calculated based on the records collected after the residual flow stabilizes, and the calculation results shall meet the following requirements, fd!
Where M is the effective dynamic pressure value, kPa1
"(!) The measured dynamic wave effect is again, ka:,!? After the water jet stabilizes, it leaks for a certain period of time.
Inspection rules
The cabin engine shall undergo type inspection and factory training, 6.1 Type inspection||tt ||GB11715—89
6.1.1 When the following conditions are met, type inspection should be carried out: a. New products and old products should be tested and finalized; b. After production, when there are significant differences in structure, materials, and technology, which may affect product performance; when the factory inspection results are significantly different from the first type inspection: d. Or batch production should be run once every four years.
.6.1.2 Type inspection items and requirements are as shown in Table 7. Ning| 6.2 Delivery - Inspection Manual action test Manual action test Dynamic pressure re-measurement test method and method 6.2.1 Before delivery, products must be inspected according to 5.3.1, 5.3.2 and 5.3.3. 10% (at least 200) of each batch of products shall be subjected to dynamic pressure test according to the required diameter and working pressure. If the random inspection does not meet the requirements, Double the number of unqualified products shall be retested. If the test fails, except for the products that fail the first test, the rest shall be submitted to the delivery hall and abandoned. If they fail to meet the requirements of the second test, the manufacturer shall conduct dynamic pressure test according to the caliber required by the ordering party after eliminating the defects. 7 Marking, packaging, transportation and storage
The name of the washing machine should include:
Product name:
Inspection certificate:
Second note, M PB
Flow rate, mh:
Effective range, m11
Manufacturer name:
Manufacture date.
7.2 Packing and transportation. Storage
1.2.1 The fixed flow chamber machine can be packed separately, and each packing box must have the name and logo of the cow. 7.2.2 The product should be sealed with bamboo oil before packing, and all holes should be covered or punched. 1.2.8 The manufacturer should confirm that the items in the box are complete and fixed firmly, and after sealing the packaging, put the shipping list with the visa and the random documents into the plastic bag, and seal it for shipment. Delivery: 10
CB11715-B9
7.2.4 After packing, the product should be suitable for transportation, and the packaging should be rainproof. 7.2.5 The product should be stored in a sealed container, and no exposure or noise is allowed. 7.2.8 Under the correct packaging, transportation, storage, and use instructions, the warranty period is months from delivery, and the service life is 12 months.
T.2. Product quality,
Product temperature certificate
b, use instructions;
Attachments:
Packing list.
Additional instructions:
This standard was proposed by China Shipbuilding Industry Corporation. This standard was drafted by the Seventh Institute of China Shipbuilding Industry Corporation.
The main drafter of the standard is Lian Anping.
This standard is similar to the A-46 (X) "Revision: Speed Disinfection System Design, Operation and Control Technology Case" and the A-46 (X) "Revision of the System Design, Operation and Control Technology Case".1 The test equipment consists of a motion test room, a measuring room, a mobile gear, a dynamic pressure test equipment, etc. The system principle is shown in the figure above. The pressure gauge of the deck water washing machine should be adjustable to meet the different specifications of the tank washing test needs. 5.2.2 The flow meter for measuring the water supply of the tank washing system must be calibrated, and its accuracy shall not be less than 1.5 level. The pressure gauge of the tank washing machine supply and demand shall have an accuracy of not less than 1.5 level and shall be installed near the tank washing machine after calibration. The motion tester should set up an observation window to facilitate observing the movement of the washing machine spray during the motion test. The general distance between the nozzle center and the moving baffle is about 5m. The mover can start moving on the guide rail. When the moving emulsion is installed as required, it is caused by the fixed device. The movable baffle is made of steel. In order to reduce the noise, the inner part of the steel plate is filled with water. 5.2.8
Moving baffle: A jet impact load bearing plate shall be set. The bearing plate shall be a small round plate with a diameter of 6 mm. 5.2.10
The concrete foundation for the installation guide shall be provided with a groove with a slope of 1/10, so that the water outside the baffle can be used for water circulation. The dynamic pressure measuring device consists of a jet impact bearing plate, a pressure sensor, a filter, a dynamic strain gauge, and an oscilloscope. 5.2.11
5.2.12 The wave arrester shall be able to remove high-frequency components above 10 Hz. GH1171E-85
5.2.13. Dynamic generation, the oscillator and the filter shall be equipped with a measuring frequency that can be waterproof and light-shielding. The measuring room should be at the lightest position in the center of the nozzle: 5.3 Test content
5.3,1 External inspection
After the assembly of the flow chamber machine is completed, the appearance (including installation) must be inspected in accordance with the requirements of the standard and the second drawing. 5.3.2 Manual action test
5.8.2.1 At the start of the nozzle (or the angle adjustment handle), check whether the nozzle operation is smooth. If there is an indicator, check whether the pointer of the nozzle direction indicator is consistent with the actual nozzle speed. 5.3.2.2 At the start of the nozzle body (or the left and right handle), check whether the nozzle body rotates smoothly. If there is an indicator, check whether the pointer of the nozzle direction indicator is consistent with the actual nozzle speed. 5.4.3 Water action test
5.3.3 .1 For the pressure-bearing parts of the tank cleaning machine, a strength test shall be conducted with a pressure of 1.5 times the maximum working pressure. After maintaining the pressure for 5 minutes, there shall be no cracks or abnormalities.
5.3.3.2 After the whole machine is assembled, a micro-sealing test shall be conducted with a pressure of 1.25 times the maximum working pressure. After the pressure is maintained for .5 minutes, there shall be no leakage.
5.3.3.3 The tank cleaning machine shall be operated continuously in the action test room under a working pressure of 1.0M1a. According to the action mode of the tank cleaning machine, the required action time shall be confirmed. If there is an indicator, the action status can be clearly shown on the indicator, and it can be confirmed with eyes after close observation. For the sequential type tank cleaning machine, the spraying pressure can be manually set to any position for confirmation. During the test, the following items shall be determined:
a, action The time required for the alternating cycle, 5b. Fast pressure, MPa:
c. Water pressure, m/h
d. Water temperature, m/h
5.3.4 Dynamic pressure value determination test
5.3.4.1 Align the nozzles of the inspection machine horizontally with the center of the impact load measuring device, place the movable baffle on the effective injection zone, and then perform dynamic pressure determination in turn according to the standard loads in Table 1, Table 2, and Table 3 in 3.2. The dynamic pressure value must be no less than 7kPa. During the test period, the following items should be measured:
Wind pressure, m/8;
b. Water temperature and temperature,
supply pressure, MP
supply, m/h
time water dynamic pressure value, kpa.
The test results shall meet the requirements of Table 1, Table 2 and Table 3 in Article 3.2 respectively. 5..4.2 Calculation method of dynamic pressure signal:
The dynamic flow shall be calculated based on the records collected after the residual flow stabilizes, and the calculation results shall meet the following requirements, fd!
Where M is the effective dynamic pressure value, kPa1
"(!) The measured dynamic wave effect is again, ka:,!? After the water jet stabilizes, it leaks for a certain period of time.
Inspection ruleswww.bzxz.net
The cabin engine shall undergo type inspection and factory training, 6.1 Type inspection||tt ||GB11715—89
6.1.1 When the following conditions are met, type inspection should be carried out: a. New products and old products should be tested and finalized; b. After production, when there are significant differences in structure, materials, and technology, which may affect product performance; when the factory inspection results are significantly different from the first type inspection: d. Or batch production should be run once every four years.
.6.1.2 Type inspection items and requirements are as shown in Table 7. Ning| 6.2 Delivery - Inspection Manual action test Manual action test Dynamic pressure re-measurement test method and method 6.2.1 Before delivery, products must be inspected according to 5.3.1, 5.3.2 and 5.3.3. 10% (at least 200) of each batch of products shall be subjected to dynamic pressure test according to the required diameter and working pressure. If the random inspection does not meet the requirements, Double the number of unqualified products shall be retested. If the test fails, except for the products that fail the first test, the rest shall be submitted to the delivery hall and abandoned. If they fail to meet the requirements of the second test, the manufacturer shall conduct dynamic pressure test according to the caliber required by the ordering party after eliminating the defects. 7 Marking, packaging, transportation and storage
The name of the washing machine should include:
Product name:
Inspection certificate:
Second note, M PB
Flow rate, mh:
Effective range, m11
Manufacturer name:
Manufacture date.
7.2 Packing and transportation. Storage
1.2.1 The fixed flow chamber machine can be packed separately, and each packing box must have the name and logo of the cow. 7.2.2 The product should be sealed with bamboo oil before packing, and all holes should be covered or punched. 1.2.8 The manufacturer should confirm that the items in the box are complete and fixed firmly, and after sealing the packaging, put the shipping list with the visa and the random documents into the plastic bag, and seal it for shipment. Delivery: 10
CB11715-B9
7.2.4 After packing, the product should be suitable for transportation, and the packaging should be rainproof. 7.2.5 The product should be stored in a sealed container, and no exposure or noise is allowed. 7.2.8 Under the correct packaging, transportation, storage, and use instructions, the warranty period is months from delivery, and the service life is 12 months.
T.2. Product quality,
Product temperature certificate
b, use instructions;
Attachments:
Packing list.
Additional instructions:
This standard was proposed by China Shipbuilding Industry Corporation. This standard was drafted by the Seventh Institute of China Shipbuilding Industry Corporation.
The main drafter of the standard is Lian Anping.
This standard is similar to the A-46 (X) "Revision: Speed Disinfection System Design, Operation and Control Technology Case" and the A-46 (X) "Revision of the System Design, Operation and Control Technology Case".8
Moving baffle: A jet impact load bearing plate shall be provided. The bearing plate shall be a small circular plate with a diameter of 6 mm. 5.2.10
The concrete foundation for installing the guide shall be provided with a groove with a slope of 1/10 mm so that the water outside the baffle can be used for circulation.
The dynamic pressure measuring device shall consist of a jet impact load bearing plate, a pressure sensor, a filter, a dynamic strain gauge, and an oscilloscope. 5.2.11
5.2.12 The wave arrester shall be able to remove high-frequency components above 10 Hz. GH1171E-85
5.2.13, dynamic change, the indicator, filter should be installed in a waterproof and light-shielding measuring room, the measuring room should be in the lightest position in the center of the nozzle: 5.3 Test content
5.3,1 External source inspection
After the assembly of the flow chamber machine is completed, the appearance (including installation) must be inspected in accordance with the requirements of the standard and the second drawing. 5.3.2 Manual dynamic connection test
5.8.2.1 Check whether the spraying operation is stable by turning the nozzle (or adjusting the angle of the nozzle), and if there is ink, check whether the nozzle indicator is consistent with the actual spraying degree. 5.3.2.2 Check whether the main body (or the handle) of the pump is stable. If there is an indicator, check whether the pointer of the direction indicator is consistent with the actual force of the pump. 5.4.3 Water jet action test
5.3.3.1 The pressure-bearing parts of the pump shall be subjected to a strength test with 1.5 times the maximum working pressure. After maintaining the pressure for 5 minutes, there shall be no cracks or abnormalities.
5.3.3.2 After the whole machine is assembled, a micro-sealing test shall be carried out with 1.25 times the maximum working pressure. After the pressure is 0.5mln, there shall be no leakage.
5.3.3.3 Operate the tank cleaning machine in the action test room and work continuously under the working pressure of 1.0M1a. According to the action mode of the tank cleaning machine, confirm the required action time. If there is an indicator, the action status can be clearly shown on the indicator, and the attached bullet can be observed and confirmed with eyes. For the sequential type washing machine, the spraying can be set to any position manually for confirmation. During the test, the following items should be determined:
a. The time required for the action switching cycle, 5b. Fast pressure, MPa:
c. Water pressure, m/h
d. Water temperature, temperature,
5.3.4 Dynamic pressure value determination test
5.3.4.1 Align the nozzles of each level of the inspection machine horizontally with the center of the impact load measuring device, place the moving baffle at the distance of the effective injection zone, and then measure the dynamic pressure in turn according to the second level of Table 1, Table 2, and Table 3 in 3.2. The dynamic pressure value must be not less than 7kPa.
During the test period, the following items shall be measured:
air flow, m/8;
b. water temperature and supply pressure, MP
supply, m/h
water dynamic pressure value per hour, kA.
The test results shall meet the requirements of Table 1, Table 2 and Table 3 in Article 3.2 respectively. 5.4.2 Calculation method of dynamic pressure signal: The dynamic H flow should be calculated based on the records collected after the residual flow stabilizes. The calculation results meet the following requirements: fd!
Where M is the effective dynamic pressure value, kPa1
"(!) The measured dynamic pressure wave is a line, ka:,!? After the water jet stabilizes, it leaks for a certain period of time.
Inspection rules
The cabin engine should be type inspected and factory trained. 6.1 Type inspection ||tt ||GB11715—89
6.1.1 When the following conditions are met, type inspection should be carried out: a. New products and old products should be tested and finalized; b. After production, when there are significant differences in structure, materials, and technology, which may affect product performance; when the factory inspection results are significantly different from the first type inspection: d. Or batch production should be run once every four years.
.6.1.2 Type inspection items and requirements are as shown in Table 7. Ning| 6.2 Delivery - Inspection Manual action test Manual action test Dynamic pressure re-measurement test method and method 6.2.1 Before delivery, products must be inspected according to 5.3.1, 5.3.2 and 5.3.3. 10% (at least 200) of each batch of products shall be subjected to dynamic pressure test according to the required diameter and working pressure. If the random inspection does not meet the requirements, Double the number of unqualified products shall be retested. If the test fails, except for the products that fail the first test, the rest shall be submitted to the delivery hall and abandoned. If they fail to meet the requirements of the second test, the manufacturer shall conduct dynamic pressure test according to the caliber required by the ordering party after eliminating the defects. 7 Marking, packaging, transportation and storage
The name of the washing machine should include:
Product name:
Inspection certificate:
Second note, M PB
Flow rate, mh:
Effective range, m11
Manufacturer name:
Manufacture date.
7.2 Packing and transportation. Storage
1.2.1 The fixed flow chamber machine can be packed separately, and each packing box must have the name and logo of the cow. 7.2.2 The product should be sealed with bamboo oil before packing, and all holes should be covered or punched. 1.2.8 The manufacturer should confirm that the items in the box are complete and fixed firmly, and after sealing the packaging, put the shipping list with the visa and the random documents into the plastic bag, and seal it for shipment. Delivery: 10
CB11715-B9
7.2.4 After packing, the product should be suitable for transportation, and the packaging should be rainproof. 7.2.5 The product should be stored in a sealed container, and no exposure or noise is allowed. 7.2.8 Under the correct packaging, transportation, storage, and use instructions, the warranty period is months from delivery, and the service life is 12 months.
T.2. Product quality,
Product temperature certificate
b, use instructions;
Attachments:
Packing list.
Additional instructions:
This standard was proposed by China Shipbuilding Industry Corporation. This standard was drafted by the Seventh Institute of China Shipbuilding Industry Corporation.
The main drafter of the standard is Lian Anping.
This standard is similar to the A-46 (X) "Revision: Speed Disinfection System Design, Operation and Control Technology Case" and the A-46 (X) "Revision of the System Design, Operation and Control Technology Case".8
Moving baffle: A jet impact load bearing plate shall be provided. The bearing plate shall be a small circular plate with a diameter of 6 mm. 5.2.10
The concrete foundation for installing the guide shall be provided with a groove with a slope of 1/10 mm so that the water outside the baffle can be used for circulation.
The dynamic pressure measuring device shall consist of a jet impact load bearing plate, a pressure sensor, a filter, a dynamic strain gauge, and an oscilloscope. 5.2.11
5.2.12 The wave arrester shall be able to remove high-frequency components above 10 Hz. GH1171E-85
5.2.13, dynamic change, the indicator, filter should be installed in a waterproof and light-shielding measuring room, the measuring room should be in the lightest position in the center of the nozzle: 5.3 Test content
5.3,1 External source inspection
After the assembly of the flow chamber machine is completed, the appearance (including installation) must be inspected in accordance with the requirements of the standard and the second drawing. 5.3.2 Manual dynamic connection test
5.8.2.1 At the moment of the spraying (or the full angle adjustment handle), check whether the spraying operation is stable. If there is ink, check whether the nozzle indicator is consistent with the actual spraying degree. 5.3.2.2 Check whether the main body (or the handle) of the pump is stable. If there is an indicator, check whether the pointer of the direction indicator is consistent with the actual force of the pump. 5.4.3 Water jet action test
5.3.3.1 The pressure-bearing parts of the pump shall be subjected to a strength test with 1.5 times the maximum working pressure. After maintaining the pressure for 5 minutes, there shall be no cracks or abnormalities.
5.3.3.2 After the whole machine is assembled, a micro-sealing test shall be carried out with 1.25 times the maximum working pressure. After the pressure is 0.5mln, there shall be no leakage.
5.3.3.3 Operate the tank cleaning machine in the action test room and work continuously under the working pressure of 1.0M1a. According to the action mode of the tank cleaning machine, confirm the required action time. If there is an indicator, the action status can be clearly shown on the indicator, and the attached bullet can be observed and confirmed with eyes. For the sequential type washing machine, the spraying can be set to any position manually for confirmation. During the test, the following items should be determined:
a. The time required for the action switching cycle, 5b. Fast pressure, MPa:
c. Water pressure, m/h
d. Water temperature, temperature,
5.3.4 Dynamic pressure value determination test
5.3.4.1 Align the nozzles of each level of the inspection machine horizontally with the center of the impact load measuring device, place the moving baffle at the distance of the effective injection zone, and then measure the dynamic pressure in turn according to the second level of Table 1, Table 2, and Table 3 in 3.2. The dynamic pressure value must be not less than 7kPa.
During the test period, the following items shall be measured:
air flow, m/8;
b. water temperature and supply pressure, MP
supply, m/h
water dynamic pressure value per hour, kA.
The test results shall meet the requirements of Table 1, Table 2 and Table 3 in Article 3.2 respectively. 5.4.2 Calculation method of dynamic pressure signal: The dynamic H flow should be calculated based on the records collected after the residual flow stabilizes. The calculation results meet the following requirements: fd!
Where M is the effective dynamic pressure value, kPa1
"(!) The measured dynamic pressure wave is a line, ka:,!? After the water jet stabilizes, it leaks for a certain period of time.
Inspection rules
The cabin engine should be type inspected and factory trained. 6.1 Type inspection ||tt ||GB11715—89
6.1.1 When the following conditions are met, type inspection should be carried out: a. New products and old products should be tested and finalized; b. After production, when there are significant differences in structure, materials, and technology, which may affect product performance; when the factory inspection results are significantly different from the first type inspection: d. Or batch production should be run once every four years.
.6.1.2 Type inspection items and requirements are as shown in Table 7. Ning| 6.2 Delivery - Inspection Manual action test Manual action test Dynamic pressure re-measurement test method and method 6.2.1 Before delivery, products must be inspected according to 5.3.1, 5.3.2 and 5.3.3. 10% (at least 200) of each batch of products shall be subjected to dynamic pressure test according to the required diameter and working pressure. If the random inspection does not meet the requirements, Double the number of unqualified products shall be retested. If the test fails, except for the products that fail the first test, the rest shall be submitted to the delivery hall and abandoned. If they fail to meet the requirements of the second test, the manufacturer shall conduct dynamic pressure test according to the caliber required by the ordering party after eliminating the defects. 7 Marking, packaging, transportation and storage
T
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