GB/T 12934-1991 Technical requirements for oil-free air compressors for ship control equipment
Some standard content:
[IC 621.512: 628,12
National Standard of the People's Republic of China
GB/T12934~91
Technical Specifications for Oil-free Air Compressor for Marine Control Equipment
Marine oil-free air compressor forcontrol sc-Technical specifications1991-05-22issued
19920201implemented
State Bureau of Technical Supervisionissued
National Standard of the People's Republic of China
Technical Specifications for Oil-free Air Compressor for Marine Control Equipment
Mariie oll free air compressor forcnntrni use-Technlcal Specifications1 Subject content and applicable scope
GB/T12934-B1
This standard specifies the technical requirements, test methods, inspection rules and marking, packaging, transportation, etc. of automatic control instrument air compressors (hereinafter referred to as air compressors). This standard is applicable to electric oil-fired air compressors with rated exhaust pressure of 0.7~1MPa and a maximum flow rate of 360/s.
2 Reference standards
Packaging and marking
GB1105
GB3033
GB3853
4830
GE4980
Used lap welding flange
Used for selecting steel flange
Internal combustion engine Taidong performance test method
Pipeline and identification pipe color-Si Yue capacity-linked pneumatic system disk performance test method industry day dynamic technology table pneumatic Hong Kong country and development performance
Rented type press only Shangfang power level Yin determination method G7
Extreme beat machine tire auxiliary Machine board dynamic illumination measurement method 8 production hanging long sign
JB2759 electromechanical product card packaging
common technical elements
9 technical requirements*
3.1 Environmental conditions
The air transport aircraft shall be used under the following conditions, and the order can be worked normally, with support: 122.5\
vertical, ±
horizontal, ±15
vertical: =5
ambient temperature for 550
cooling such as using ditch water with high water leakage of 30℃
cut type suitable for cooling water with high water inlet temperature for air transport aircraft with sensitive disk accumulation, salt recording, the maximum relative humidity is not more than. b.
Performance
Approved by the State Administration of Technical Supervision on June 2, 1991 and implemented on February 1, 1952
GB/T12434-91
.2.1 When the air inlet and outlet, the cooling water inlet and outlet of the air conditioner are connected by flanges, the external flanges shall comply with the regulations of GB573 and GB574.
3.2.2 The air stop safety valve shall be flexible and have a safety pin. When the exhaust control valve is fully closed, the pressure of the first stage valve shall be within the rated pressure range of 110°C, and the pressure of other stages shall not exceed the rated pressure. 12°C. .2.3 When the first stage intake temperature is 50°C, the cooling water temperature is 30°C and the final exhaust pressure is the rated pressure, the exhaust temperature at each stage exhaust pipe shall not exceed 160°C. 3.2.4 The main parts should be replaced according to the provisions of Table 1. Table
Name
Replacement time
Guide ring
3.2.5 The air compressor should be dry. The compressed air after leaving the compressor should not exceed 3.2.6. The oil content of the compressed air is greater than 10m3 and 100m3.2. The air and water lines of the air should be sealed and no leakage or leakage is allowed. 8.2. When the air compressor is running under the rated working condition, the first stage air temperature is X0, and the lubricating oil temperature in the box shall not exceed 7℃. 3.2.9 The air compressor capacity should meet the requirements of Table 2. Table
3.2. Product set and seat height 1m/s
3.2. 11 Passenger flow and rated value deviation rate is allowed, 5%, shaft 5 rate six tends to exceed the rated sound value 3.2.12 The empty machine should be able to carry 11 under the condition of 06 rated non-pressure filling. 3.3 Safety and environmental protection requirements
3.3.1 This small is based on the manufacture: "Test price, and at rated working. The noise level of the Luda method is 3. 3
≤:12IF
3.3.2 Air filters are installed at the air inlet of the air compressor. Specification
B.8.3 The cylinder actuator and the actuator are made of steel plate or other materials. 3.3. The compressor is installed on the test bench of the manufacturer and the rotating actuator is 18mm8. 3.8.5 The safety mold or safety steel plate on the cold drawing is broken. .45MP table It), the safety film damage test + each batch of 2 yuan and not less than 2. 2
G/T12934-91
3.a.6 The machine should be operated in a safe way, and the machine should be tested by the endurance test. 3.4 Appearance requirements
.1 The outer cover of the machine should be cleaned and rust-free, dirt-free, and the surface should be exposed to light. , color rating consistent. The product should be able to prevent salt spray, oil cover and condensation from sticking, and the air compressor parts should be painted with resistant paint (such as silver paint).
3.4.2 The air, water and oil pipes of the air compressor should be painted according to the specified color of the paint (i8333) to ensure the purpose of the pipeline. 3.4.3 Exposed complex parts and components should be treated with decorative support (such as no polishing)., $Material requirements
8.5.1 Air compressor main 3.5 The main parts of the air compressor should be selected according to the material analysis, metallographic inspection and mechanical visual inspection. 3.3 All parts in contact with lubricating oil, compressed air or oil should be made of glue or oil gland glue. 2.6 Technical requirements: 1. The connection rod, balance iron and the above-mentioned egg screen should meet the following requirements: Piston: ±5 %
Connecting rod, ±3
Balance iron: : 4%
Flying balance correction (without pulley) should be made. 2. Air cooling ear requirements of the tension parts of the cylinder: cylinder, live cylinder: cooler, lower radiator and other light bearings should be tested with 1.5 times the rated water pressure of the cooling water positive test to U.5MP (table,), each water test should be done at noon 3.7 Structural requirements
3.7.1 The engine can be designed as a full or semi-oil type, and the axle box can be purchased without lubrication. The semi-oil type has lubricating agent in the box to provide lubrication for the movement of the engine. The engine and electric direct drive can reduce the use of leather. 3.7.2 The upper and lower parts of the engine should be installed with a ring. The guide ring should be designed and assembled with a cooling type. 3.7, the valve plate and the valve plate should be in accordance with the specification! The parts should not be worn and rusted under the oil pressure. The piston should be longer than the oil pressure. The engine should be self-lubricating. The engine should be self-lubricating. 3.5 The bottom of the water-cooled cylinder should be equipped with a cooling hole and a drain plug. The necessary places should have anti-rust and high-pressure general. .7.6 The cooling device is equipped with a cooling water cut-off test or a safety test, and the equipment efficiency is strictly controlled or questioned. 4 Test method
4.1 Adjustment test
Each air compressor can be subjected to a full-scale test after 2 or more power is received. During the full-scale test, the air compressor is operated at a power of 1% to check whether there are any abnormal phenomena such as instantaneous vibration, air quality, cooling oil quality, etc., and the adjustment test results of each air compressor shall be recorded in detail. 1.1 The air compressor is operated under rated conditions, and the safety is guaranteed in accordance with the provisions of Article 3.2.2. The air compressor with automatic control equipment shall be tested for performance after 3 times of operation, such as automatic operation, water color, and protection (reporting), and the accuracy and reliability of the action shall be checked. 4.2 Performance test The air compressor with customer-standard performance test or equipped with air compressor shall be tested at the industry price level for air pressure, cooling water sweeping volume, lubricating oil capacity, load connection, etc.
4.2.! Volumetric flow test
GB/T 12094-91
The air compressor volumetric flow measurement method shall be carried out in accordance with GB3853 standard using the nozzle method or the filling method. 4. Determination method of the air compressor
.2.2.1 When the air compressor is running, the power measurement shall be carried out in accordance with GB3853 standard. .2.2.2 When the air compressor is driven by the oil collector, G11 (obtain the output power of the prime mover, and the power of the air compressor is calculated by formula 1.
Where: w
is the compressor shaft power,
is the diesel output power,
is the transmission efficiency, which is selected according to the provisions of GB3853. 1.2.3 Dynamic test
Install the air compressor on the test bench of the manufacturer and operate it under rated conditions. According to the provisions of B11706, the decompression test is carried out. 4.2.4 Noise test
Install the air compressor on the test bench of the manufacturer and operate it under rated conditions. According to the provisions of GB4980, the test is carried out. 4.2.5 Unload performance test
The empty machine is operated under the condition that the final exhaust pressure is 105% of the rated exhaust pressure. 1h. .2.6 Dew point test shall be conducted according to GB4830 A.4. Avoidance test method. 4.2.7 The moisture point test shall be conducted according to GB4830 A.4.3. 4.2 Durability test
.3.1 The durability test time of the first machine of new design shall be not less than 10h, and the cumulative number of starts shall be not less than 100 times. The test of the number of starts can be carried out in a phased manner, but it must be ensured that the time for each start is not less than 0.5h. The first prototype of the new design of the same type and cylinder diameter of the modified group and the production shall also be subject to a durability test. The test time can be reduced to 510, and the number of starts can be reduced to 100. 4.3.2 After the endurance test, the press should be disassembled, and the main parts should be visually inspected and measured. 44 Compensation condition test||tt| |The first prototype of a new airframe must be tested for marine conditions, and the test results must be in accordance with the requirements. Table 4
Total-India-style
New Test
Commercial Benefits National Product Council
5 Inspection Regulations
Original 22.
Supply Degree 7.5
Zhou Ming 100
Angle 15||tt| |For the area above
Environmental condensation tube 50 yuan
Standard wet matching 95%
Refrigeration imported quality:
Seawater 42
This time
5.1 Genuine machine inspection and modification 1. Factory inspection and type control inspection, inspection items are as specified in the table. It is necessary to write the corresponding inspection of the average
flow rate of secondary pollution, good discharge
and cold shrimp water,
The pressure of each load air, air quality
and bearing shrinkage, water tax
area. Test 1: Oil bearing
all the surface of the clothes, oil reduction, reducer, capsule and other
circulation conditions, porcelain live harm also,
question the most needed
hand-over cold flow conditions
template test|| |tt||2-Test acceptance
Gas, water, oil dry
Concentrated lubrication
Shaft power
Performance test
Selection, test
G/T12634-91
5.2 The following conditions should be mentioned in the execution of type inspection: New products and product transfers: Trial production and type inspection! After formal production, if there are major changes in content, materials, and processes, the sound energy will affect the product performance: b. The product has been strictly stopped for two years:
Output: The inspection results are significantly different from the last type inspection: The quality inspection results are not in compliance with the requirements of the type inspection. e.bZxz.net
Type test
5.3 The sample used for type test shall be tested for performance. The main performance indicators obtained by the test shall meet the requirements of the relevant documents before the test can be carried out. Before the test, the machine shall be inspected and necessary measurements shall be made on the inspection parts. This is to calculate the amount of wear at the end of the test.
5.4% The first sample of the design must be tested for marine use. The new design or the modified unit of the adjustment or expansion unit of the production may not be tested for marine use conditions. 5.5 Judgment rules
5.5.1 Each air compressor shall be inspected by the manufacturing technical department in accordance with the provisions of this standard. The product that meets the requirements shall be qualified and shall be shipped out of the factory after the certificate of qualification is issued.
5.5. If the machine is not tested, it shall be doubled and it shall be qualified. If the product is still not up to standard, it should be repaired and then inspected. It can be shipped only after it is qualified. Marking, packaging, transportation and storage
6.1 Marking, packaging, transportation and storage
6.1.1 Product identification
The air compressor should be fixed with a label in a visible place. The label should meet the requirements of the specifications and technical conditions. The label should include: product name, product model, standard volume, rated exhaust pressure, driving power, rated speed, overall dimensions (length> width×height), manufacturer name, export date, export number 5
8.1.2 Package number marking
GH/T12984—91
The packaging marking shall be in accordance with the provisions of 1B2759 packaging box. 5.2 Packaging
6.2.1 The packaging of the empty unit shall be selected according to the transportation conditions and the provisions of JB2/6. 2.2. The following are the technical documents of the machine: product parts qualification certificate, test report and ship inspection certificate. b. Product manual, including the purpose, performance, technical parameters and equipment of the product; product structure description, installation and maintenance instructions, installation requirements, faults and their removal methods, technical data for shutdown and connection, main parts matching dimensions and assembly space, limit space: nipple shape, installation drawing (projection at the center of gravity of the two coordinates), external connection size and position in three and a half directions, general assembly drawing, system wiring diagram. When the prime mover is a diesel engine, it must also include the above main engine manual. Technical cover.
d. Box list
e. The attached year and month work list. The parts and components are provided in accordance with the specifications of the country, the number of low should be in accordance with the provisions of the technical documents of the light provisions of the procedures, if there are special results can also be confirmed according to the contract agreement specifications, quantity priority should be given. f. The random technical documents are written in English and Chinese, and can be detailed in other official languages when necessary. Only for domestic use! Chinese, the name of the air machine, the number and the manufacturer's name should be written at the beginning of the document. 8.3 Transportation
.3.1 Other installation and transportation indication signs should be selected in accordance with the provisions of GB151, and the corresponding links are not filled in the annual output. ,.2 It is allowed to use I any time only for this output, but it is not allowed to be larger. 6, medical storage
6.1 The air unit is placed alone.
6.4.2 These appendices are explained to ensure that 6 Sichuan * boiler corrosion regular personnel. This standard was proposed by China Shaoxing Industry Corporation. GB/T12934-91 This standard was submitted by the National Technical Committee for Marine Machinery Standardization. This standard was drafted by the Marine Equipment Research Institute of China New Industry Corporation, who was the main drafter of the draft standard.5
Zhou Ming 100
Angle 15
For the area above
Environmental condenser 50 yuan
Relative standard wet with 95%
Refrigeration imported quality:
Sea water 42
This time
5.1 Formal machine inspection and type control inspection, inspection items are as specified in the table. It is necessary to check the average
flow rate of auxiliary pollution, good discharge
and cold shrimp water,
the pressure of each negative air, quality air
and bearing shrinkage, cooling water tax
area. 1. Test preparation: 1. Oil bearing surface only, 2. Heat dissipation, 3. Heat release test, 4. Air, water, oil dryer, 5. Shaft power, performance test, 6. Selection, test, G/T12634-91, 5.2 The following conditions should be mentioned in the execution inspection: New products and product transfers: production trial and final inspection! After formal production, if there are major changes in interior, materials, and processes, the product performance may be affected: b. The product is strictly stopped for two years and the inspection results are significantly different from the last type inspection. The quality inspection results are not in compliance with the requirements of the type inspection. e. Type inspection 5.3 The sample used for type inspection shall be tested, and the main performance indicators obtained by the test shall meet the requirements of the relevant documents before the long-term test can be carried out. Before the experiment, the machine shall be inspected and necessary measurements shall be made on the inspection parts. In order to calculate the wear amount at the end of the test. 5.4% The first sample of the design must be tested for marine use. The expansion unit of the newly designed type or the modified unit of the adjustment-diameter unit may not be tested for marine conditions. 5.5 Inspection and Quarantine
5.5.1 Each air compressor shall be inspected by the manufacturer in accordance with the provisions of this standard. The qualified products shall be considered qualified and can be shipped out of the factory after the certificate is issued.
5.5. If the batch of products fails to meet the inspection requirements, they shall be doubled and stored to be qualified. If the inspection still fails, the batch of products shall be considered unqualified and shall be returned for inspection and then shipped out after they meet the inspection requirements. Marking, packaging, transportation and storage
6.1 Marking, packaging, transportation and storage
6.1.1 Product identification
The air compressor shall be fixed with a label in a visible place. The label shall meet the requirements of size, technical conditions, etc. The label shall contain: product name, product model, standard volume, rated exhaust pressure, driving power, rated speed, overall dimensions (length>width×height), manufacturer name, export date, and export date. Number 5
8.1.2 Package number mark
GH/T12984—91
Packing mark shall be in accordance with the marking provisions of 1B2759. 5.2 Packaging
6.2.1 The packaging of the empty unit shall be selected according to the transportation conditions and the provisions of JB2/6. 2.2. Technical documents of the machine
Product parts qualification certificate, test report of the test chamber and ship inspection certificate. b. Product manual, including the purpose, performance, technical parameters and unit registration of the product; product structure description, installation and maintenance instructions, installation requirements, faults and their removal methods, technical data for decommissioning and connection, main *component matching dimensions and assembly time, limit time: nipple shape, installation drawing (projected at the center of gravity of the two coordinates), external connection size! And the purchase direction in three and a half directions also include the general assembly drawing, system original wiring diagram. For the prime mover, when it is a diesel engine, it must also include the above main engine manual. Core. Technical cover.
d. Box list
e. Randomly attached year and month work list. And the parts and core. The specification and quantity should be in accordance with the provisions of the technical documents specified in the procedures. If there are special specifications, the specification and quantity can be confirmed according to the order agreement. f. The random technical documents are written in Chinese and English. The official language can be detailed when necessary. Only for domestic use! Chinese, the name of the machine, the number and the manufacturer's name should be written at the beginning of the document. 8.3 Transportation
.3.1 Other installation and transportation indication signs shall be selected in accordance with the provisions of GB151. The corresponding rings shall not be filled in the annual output. ,.2 It is allowed to use I any time only for continuous operation, but it is not allowed to operate these large movements. 6. Treatment
6.1 Empty units are placed alone in the blue.
6.4.2 These appendices shall ensure that 6 boilers are always in working order. In addition,
This standard is proposed by China Shaoxing Industry Corporation. GB/T12934-91
This standard is submitted by the National Marine Machinery Standardization Technical Committee. This standard is produced by the China New Industry Corporation Marine Equipment Research Institute, which is the main drafter of the draft standard.5
Zhou Ming 100
Angle 15
For the area above
Environmental condenser 50 yuan
Relative standard wet with 95%
Refrigeration imported quality:
Sea water 42
This time
5.1 Formal machine inspection and type control inspection, inspection items are as specified in the table. It is necessary to check the average
flow rate of auxiliary pollution, good discharge
and cold shrimp water,
the pressure of each negative air, quality air
and bearing shrinkage, cooling water tax
area. 1. Test preparation: 1. Oil bearing surface only, 2. Heat dissipation, 3. Heat release test, 4. Air, water, oil dryer, 5. Shaft power, performance test, 6. Selection, test, G/T12634-91, 5.2 The following conditions should be mentioned in the execution inspection: New products and product transfers: production trial and final inspection! After formal production, if there are major changes in interior, materials, and processes, the product performance may be affected: b. The product is strictly stopped for two years and the inspection results are significantly different from the last type inspection. The quality inspection results are not in compliance with the requirements of the type inspection. e. Type inspection 5.3 The sample used for type inspection shall be tested, and the main performance indicators obtained by the test shall meet the requirements of the relevant documents before the long-term test can be carried out. Before the experiment, the machine shall be inspected and necessary measurements shall be made on the inspection parts. In order to calculate the wear amount at the end of the test. 5.4% The first sample of the design must be tested for marine use. The expansion unit of the newly designed type or the modified unit of the adjustment-diameter unit may not be tested for marine conditions. 5.5 Inspection and Quarantine
5.5.1 Each air compressor shall be inspected by the manufacturer in accordance with the provisions of this standard. The qualified products shall be considered qualified and can be shipped out of the factory after the certificate is issued.
5.5. If the batch of products fails to meet the inspection requirements, they shall be doubled and stored to be qualified. If the inspection still fails, the batch of products shall be considered unqualified and shall be returned for inspection and then shipped out after they meet the inspection requirements. Marking, packaging, transportation and storage
6.1 Marking, packaging, transportation and storage
6.1.1 Product identification
The air compressor shall be fixed with a label in a visible place. The label shall meet the requirements of size, technical conditions, etc. The label shall contain: product name, product model, standard volume, rated exhaust pressure, driving power, rated speed, overall dimensions (length>width×height), manufacturer name, export date, and export date. Number 5
8.1.2 Package number mark
GH/T12984—91
Packing mark shall be in accordance with the marking provisions of 1B2759. 5.2 Packaging
6.2.1 The packaging of the empty unit shall be selected according to the transportation conditions and the provisions of JB2/6. 2.2. Technical documents of the machine
Product parts qualification certificate, test report of the test chamber and ship inspection certificate. b. Product manual, including the purpose, performance, technical parameters and unit registration of the product; product structure description, installation and maintenance instructions, installation requirements, faults and their removal methods, technical data for decommissioning and connection, main *component matching dimensions and assembly time, limit time: nipple shape, installation drawing (projected at the center of gravity of the two coordinates), external connection size! And the purchase direction in three and a half directions also include the general assembly drawing, system original wiring diagram. For the prime mover, when it is a diesel engine, it must also include the above main engine manual. Core. Technical cover.
d. Box list
e. Randomly attached year and month work list. And the parts and core. The specification and quantity should be in accordance with the provisions of the technical documents specified in the procedures. If there are special specifications, the specification and quantity can be confirmed according to the order agreement. f. The random technical documents are written in Chinese and English. The official language can be detailed when necessary. Only for domestic use! Chinese, the name of the machine, the number and the manufacturer's name should be written at the beginning of the document. 8.3 Transportation
.3.1 Other installation and transportation indication signs shall be selected in accordance with the provisions of GB151. The corresponding rings shall not be filled in the annual output. ,.2 It is allowed to use I any time only for continuous operation, but it is not allowed to operate these large movements. 6. Treatment
6.1 Empty units are placed alone in the blue.
6.4.2 These appendices shall ensure that 6 boilers are always in working order. In addition,
This standard is proposed by China Shaoxing Industry Corporation. GB/T12934-91
This standard is submitted by the National Marine Machinery Standardization Technical Committee. This standard is produced by the China New Industry Corporation Marine Equipment Research Institute, which is the main drafter of the draft standard.2. The following are the technical documents of the machine: product parts qualification certificate, test report of the test chamber and ship inspection certificate. b. Product manual, including the purpose, performance, technical parameters and equipment of the product; product structure description, installation and maintenance instructions, installation requirements, faults and their removal methods, technical data for shutdown and connection, main parts matching dimensions and assembly space, limit space: nipple shape, installation drawing (projection at the center of gravity of the two coordinates), external connection size and position in three and a half directions, general assembly drawing, system wiring diagram. For the prime mover, when it is a diesel engine, it must also include the above main engine manual. Technical cover.
d. Box list
e. The attached year and month work list. The parts and components are provided in accordance with the specifications of the country, the number of low should be in accordance with the provisions of the technical documents of the light provisions of the procedures, if there are special results can also be confirmed according to the contract agreement specifications, quantity priority should be given. f. The random technical documents are written in English and Chinese, and can be detailed in other official languages when necessary. Only for domestic use! Chinese, the name of the air machine, the number and the manufacturer's name should be written at the beginning of the document. 8.3 Transportation
.3.1 Other installation and transportation indication signs should be selected in accordance with the provisions of GB151, and the corresponding links are not filled in the annual output. ,.2 It is allowed to use I any time only for this output, but it is not allowed to be larger. 6, medical storage
6.1 The air unit is placed alone.
6.4.2 These appendices are explained to ensure that 6 Sichuan * boiler corrosion regular personnel. This standard was proposed by China Shaoxing Industry Corporation. GB/T12934-91 This standard was submitted by the National Technical Committee for Marine Machinery Standardization. This standard was drafted by the Marine Equipment Research Institute of China New Industry Corporation, who was the main drafter of the draft standard.2. The following are the technical documents of the machine: product parts qualification certificate, test report of the test chamber and ship inspection certificate. b. Product manual, including the purpose, performance, technical parameters and equipment of the product; product structure description, installation and maintenance instructions, installation requirements, faults and their removal methods, technical data for shutdown and connection, main parts matching dimensions and assembly space, limit space: nipple shape, installation drawing (projection at the center of gravity of the two coordinates), external connection size and position in three and a half directions, general assembly drawing, system wiring diagram. For the prime mover, when it is a diesel engine, it must also include the above main engine manual. Technical cover.
d. Box list
e. The attached year and month work list. The parts and components are provided in accordance with the specifications of the country, the number of low should be in accordance with the provisions of the technical documents of the light provisions of the procedures, if there are special results can also be confirmed according to the contract agreement specifications, quantity priority should be given. f. The random technical documents are written in English and Chinese, and can be detailed in other official languages when necessary. Only for domestic use! Chinese, the name of the air machine, the number and the manufacturer's name should be written at the beginning of the document. 8.3 Transportation
.3.1 Other installation and transportation indication signs should be selected in accordance with the provisions of GB151, and the corresponding links are not filled in the annual output. ,.2 It is allowed to use I any time only for this output, but it is not allowed to be larger. 6, medical storage
6.1 The air unit is placed alone.
6.4.2 These appendices are explained to ensure that 6 Sichuan * boiler corrosion regular personnel. This standard was proposed by China Shaoxing Industry Corporation. GB/T12934-91 This standard was submitted by the National Technical Committee for Marine Machinery Standardization. This standard was drafted by the Marine Equipment Research Institute of China New Industry Corporation, who was the main drafter of the draft standard.
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