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Machinery Industry Standard of the People's Republic of China
JB/T8093-1999
High pressure water jet equipment
High pressure water jet eguipment1999-07-12 Issued
National Machinery Industry Bureau
Implementation on 2000-01-01
JB/T8093-1999
Water standard is the JB door 8094.1—95≤ female separation pressure sea number and basic parameters of the elimination machine parts", ZB7ID01—B? Based on the revision and merger of the technical conditions of compound high-pressure cleaning machines and JB/T8093-95 Test Methods for Reciprocating Point Pressure Cleaning Machines, this standard, compared with JD.T8094.1-95, ZBI71001-87 and JB/T8093-95, expands the scope to all high-pressure water jet equipment, and is no longer limited to high-pressure water jet cleaning machines. This standard replaces JB/TB094.1-95, JB/TB093-95, ZBJ71001-87, Appendix A of the small standard, Appendix A of the small standard, and Appendix A of the small standard. This standard is drafted by the Hefei General Machinery Research Institute. The main authors of this standard are Xue Shengxiong, Huang Wangping, Chen Zhengwen, Yibin, Peng Haojun, and Haixiang. 1 Scope
Machinery Industry Standard of the People's Republic of China
High pressure water jet equipment
igh presgarewater Jet equipmentJI/T B093—1999
JB/TS494.1—95
JB809395
ZBITIKIRT
This standard specifies the complete specifications and test methods of high-pressure water jet equipment (including high-pressure cleaners, crushers, special high-pressure cleaning equipment, etc.);
This standard is applicable to high-pressure water jet equipment with a rated discharge pressure of 10-250MPa, a rated output power of 15-500kW, a medium of clean water at room temperature, and driven by an electric motor or other prime mover (hereinafter referred to as equipment 2 Reference standards
The texts contained in the following standards constitute the provisions of this standard through reference in this standard. When this standard is published, the versions shown are valid. All standards will be revised. Parties using this standard should explore the possibility of using the latest version of the following standards. GB/T 1173 — 1995 | | tt | 9
6B13306-[99]
GR/T13381992
GB/T149751994
JR/T 69091993
JB 8526—1997
3 basic parameters
1.1 Performance data
Cast aluminum alloy
Technical conditions for cast copper alloy
Ductile iron castings
Requirements for flameproof electrical equipment for explosive environments Test methods for motorized reciprocating pumps
Cast iron castings
Carbon steel parts for general engineering
General technical conditions for packaging of other products
Stainless steel cylinders for delivery
Commercial presses
High-pressure water jet cleaning Industrial safety regulations
3. The power of the equipment, the power of the main engine and the power of the motor should comply with the specifications in Table 1. 3.1.2 The pressure level of the equipment can be determined by the manufacturer and the department. Therefore, the pressure level should be adjusted accordingly. The National Machinery Industry Office approved it on July 12, 1999 and implemented it on January 1, 2000. The diameter of the prime mover should be selected according to the table.
6,7, 8,9.10.
4 Technical conditions
8/T8093-1999
Basic parameters of high-pressure water jetting equipment
18,20,22,25,28
High-pressure water jetting equipment structure
Contractor-made water jetting equipment (hereinafter referred to as the contractor)
High-pressure water jetting equipment
Control system
Execution system
Auxiliary system
The composition and supply of the equipment shall be determined by negotiation between the customer and the manufacturer, and the equipment shall be divided into mobile and fixed types according to the requirements. 26
4.2 The equipment shall comply with the requirements of this standard and shall be manufactured according to the drawings and technical documents approved by the prescribed procedures or according to the requirements of the agreement. 2
3B8093-[999
4.3 The design of the bore diameter at the end of the pump should match the rated working condition of the pump. The equipment should meet the above requirements. 1) During the equipment operation (i.e. nozzle injection): the pump has leakage or other leakage, and its initial discharge is above 90%~15% of the rated full discharge force.
b) During the equipment operation (i.e. nozzle injection), the cumulative discharge is slightly lower than the specified discharge force, otherwise, other valves will be changed! The initial reverse load shall not be less than 10% of the rated reading. 4.4 The moving parts such as the coupling or pulley shall be equipped with protective covers, which shall be removed immediately. 4.5 When the new equipment is running at rated speed, the temperature of the lubricating oil shall not exceed 5T, and its rise shall not exceed 45T. 4.6 The equipment shall be easy to disassemble and transport. When the main engine of the equipment is running at rated speed, the noise value excluding the jet shall not exceed the provisions of Table 3. The noise output index is not specified in Table 3. The diesel unit does not comply with the provisions of Table 3. Specified discharge force
Input head rate
911-164
>40-7D
>76~100
>10D-150
Person-time rate machine model production technology>150-20n
4. Pump body, stuffing box, inlet and outlet block, body, container, hose assembly and other pressure-bearing parts shall be subjected to pressure test, and the test time shall not be less than 30min. The pressure shall meet the requirements of Table 4. Or the test method shall reach the specified value, and the pressure maintenance time shall not be less than 30min. During the test, the parts should not leak. Table
≥50-100
>100-250
Test pressure
1.5 times the rated sample pressure
[.25 times the rated discharge pressure
1.1-1.25 rated discharge pressure
Test medium
4.9 The seat and the socket should be ground and grinded before the oil leakage test; the seat and the socket should be placed and filled with oil. The assembly should not be disassembled within 3m for repair.
41 Equipment The non-processed surface should be treated. The non-processed surface in contact with water should be painted with anti-rust paint, and the non-processed surface in contact with oil should be painted with oil-resistant enamel.
4.11 According to the pressure level, the corresponding water inlet filtration system should be equipped. If necessary, it should be required to use the reverse water method. 4.12 The action of the safety valve should be flexible and reliable, and the opening pressure of the safety valve should comply with the provisions of Table 5. General discharge pressure Pa
Safety valve opening force
JE/T8093-1999
(1.10-1.13) pe:
(1.05~E.10) pr
4.13 The spray gun valve is sensitive and reliable. When the shut-off type spray gun is closed, the tight flow valve is opened. At this time, the discharge pressure of the equipment should be reduced to normal! When the stealth type spray gun is closed, the equipment is in the working state. 4.14 The recoil force of the handheld spray gun (rod) shall not be greater than 1/3 of the operator's weight. When the recoil force of the spray gun () is greater than 250W, a climbing mechanism must be set to fix the spray gun (support).
4.15 The minimum lifting length of the spray wheel shall comply with the provisions of JB8526. The spray gun shall be equipped with a locking mechanism. 4.16 During the continuous operation of the equipment, the overflow valve, foot-operated digging system, and spray gun valve shall be sensitive to jump and can be operated at random. 4. The rotating nozzle shall be flat and unobstructed during the continuous operation of the equipment: the two-dimensional rotating nozzle shall be operated by the rotating nozzle; the rotating head speed is always below 10nr/min. 4.18 The spray head and the spray gun should be tested with water, and the test pressure should be equal to 125 times of the rated discharge pressure. 4.19 The front seal of the lower connection part should be small and leaky. 4.20 The submersible material injection system should ensure that the material is evenly fed, continuous and non-blocking. 4.21 If the equipment is used in an explosive environment, the engine and electrical equipment must comply with GB3836.1. 4.22 The materials used in the design should be qualified and meet the relevant standards before use. The selection of materials for super-high equipment shall comply with the provisions of H6, and the materials for related pressure parts of high-pressure equipment shall also comply with the provisions of 4.73 Castings shall comply with the provisions of GBT9439: Ductile iron castings shall comply with the provisions of GD/T1348: Castings shall comply with the provisions of RT1117: Aluminum alloy parts shall comply with the provisions of GB1173: Fine castings shall comply with the provisions of B/T1176: Pressure pipe fittings shall comply with the provisions of CR114976,
4.24 For complex structures (castings, components, short-circuit components), the components shall be heat-treated. 4.25 All parts (including outsourced parts) shall be inspected and qualified before assembly. 4.2 Under the conditions of the user's compliance with the provisions shown in Instructions 1, within 12 months from the date of delivery of the equipment, if the product is damaged or cannot be operated normally due to poor manufacturing quality, the manufacturer shall be responsible for the user's free screening service coupon. 5. Test method
5. 1 General requirements
5.1.1 The equipment itself can be used as a test device. During the test, it is necessary to equip it with a jet guide mechanism. The jet guide mechanism is made into a 2” type pipeline. Change the high and low impact direction of the jet.
5.1.2 The test results of the pump shall comply with the provisions of GB/T7784. 5.1.3 The test condition parameters of the equipment shall not be lower than the initial working condition. 5.1.4 When there is a difference between the test condition and the specified condition, the calculation shall be carried out according to the relevant formula of GB/T7784. 5.1. All test parameters to be measured shall be , the fluctuation range of the pressure measuring instruments and meters indicated by the test parameters shall not exceed the provisions of Table 6. Embedded test body excitation
Repulsion
East or transfer
88093-1999
Moving child
Measured object
Body code
Power
Prime mover input average
Passive range
5.1.6 Test instruments, the error of the instrument shall not exceed the provisions of Table 7, all test instruments are Within the effective use period, and with the appraisal certificate issued by the design department.
Relative limited error
Type and input power of the sampling or verification
s.1.7 The test medium is U-60 clean water,
mountain acid
5.1. Only test, after confirming that the section has reached the specified condition, all instrument readings are read and recorded at the same time. The number of measurements of each sensitive parameter should be no less than 3 times, and the half-mean value is taken as the measured value. 5.1.9 Test batches and calculation results The results should be recorded in the test record table. Arrange and draw the mountain curve. 5.2 Test supervision method
5.2.1 Test operation test
5.2.1.1 The test operation test should be carried out under no-load conditions for no less than 5h. 5.2.1.2 The equipment should have no abnormal noise, vibration and leakage during the test operation. Lubrication, temperature rise and all protective devices should be normal. 5.2.2 Load operation test
37, the load test should be carried out under the rated pump configuration, and the non-output force should rise from the back pressure balance to the initial working condition hydraulic pressure. The test should be no less than four pressure levels, and each pressure level should be no less than 15m during normal operation. It should be operated under the initial working condition for 2 hours. 5.2.2.2 The pressure and flow rate under the initial condition should be consistent with the maximum discharge pressure of the equipment. 5.2.2.4 The test date of the equipment should comply with the provisions of 8526. 5.2.3 Performance test
5.2.3.1 The performance test shall determine the relationship between flow rate, power and pressure cutter, and draw the performance curve. 5.2.3.2 The performance test shall be carried out under the initial working condition, starting from the minimum value, and then increasing by 20%, 40%, 60%, 30%, 100% of the rated value. At the same time, the medium temperature, residual velocity, flow cushion, traction and discharge pressure shall be measured and recorded! Pressure value: 5.2.3. The spray gun and the group pedal control and the small relief valve shall be tightly opened and closed under the rated working condition, and the action shall be sensitive. No jamming and accumulation phenomenon shall occur.
JB/T8093-1999
5.2.3.4 The performance of the spray must be verified to be stable at the initial working condition. 5.1.3.5 The nozzle and the nozzle shall be tested according to the requirements of 5.2, but only qualified, and continuous operation time is not required. 5.2.4 Reverse operation test
1.4. The continuous reverse operation test shall be carried out after the completion of all test items. The machine shall be operated in a sieve condition and on a large pump. The test is allowed to be stopped during the test to check the operation status. If the main parts are damaged and need to be replaced, the completed test shall be invalid. 5.2.4.2 The continuous operation test time shall comply with the provisions of Table 8
90-160
>160-250
5. 2. 4. 3
5.2. 4. 4
The continuous operation time of the jet component is 100h
The life span of wearing parts shall comply with the provisions of Table 9. Product name
70-100
500Performance
>1D0~200
300 (Performance compensation:
5.2.4.5 When the discharge volume of the equipment drops by 10% compared with the initial working condition during operation, the qualified nozzle should be replaced first to test the performance of the whole machine. If the equipment returns to the initial working condition after the nozzle is replaced, the original nozzle is judged to be: otherwise, check whether other wearing parts (sealing pair, inlet and outlet valves, etc.) are qualified and replaced. The accumulated working time at this time is the life of the wearing part. 5.2.4.6 The pressure, flow, pump speed, power, lubricating oil temperature and seal leakage should be recorded regularly during the test! Generally 4h. 5.2.4. In addition, the life of the wearing parts, the number of repairs and the shutdown time should be recorded during the test. After the test, The equipment is disassembled for inspection, and the potential damage of the components is recorded.
5.2.5 Safety valve test
5.2.5.1 Gradually close the valve of the discharge pipeline to increase the discharge pressure. Under the specified starting pressure, the safety valve should act flexibly. The test should be performed no less than 3 times.
5.2.5.2 The safety valve can be installed in any type of discharge, and the safety valves include spring pre-load type, plate type and gas-actuated forced type. 5.2.6 Noise test
JB/T8093-[999
The equipment is tested in accordance with the provisions of Appendix C of JB/T8093-1987 under the frequency specification. 5.2.7 Spray test
5.2.7.1 The instantaneous test includes spray, nozzle, rotating nozzle, etc. 5.2.7.2 The equipment sprays under the initial pressure. The spray switch shall be tested for no less than 30 times, and shall be sensitive to opening and closing, and can be operated without leakage. 5.2.7.3 For each type of nozzle or sprinkler, 10% of the number of nozzles or sprinklers shall be tested (at least 1 nozzle) and the cumulative test of each nozzle or sprinkler shall be no less than 1 hour. 5.2.7.4 The spray nozzle or sprinkler shall be tested for 100 hours (the machine may be replaced during the test, and the nozzle or sprinkler shall not be replaced. The downtime shall be deducted from the cumulative test time) to detect the initial change. 5.2.7.5 The length of the non-atomizing area of the nozzle shall not be less than 150mm. After the cumulative test for 100 hours, the length of the non-atomizing area shall not be less than 100mm. 5.2.7. There shall be no jamming or noise on the nozzle. 5.2.7.7 The cumulative test of abrasive flow shall be no less than 11 hours, and the particle size, material and consumption of the abrasive shall be recorded. 5.2.7.8 The vacuum nozzle or tester shall be tested for its suction height and suction material characteristics under certain working conditions. 5.3 Data processing, parameter measurement, performance curve 5.3.1 Data processing and parameter measurement shall comply with the provisions of GB 74. 3.3.2 Performance curve see Figure 1
5.4 Test report
5.4.1 Type test report includes:
Figure 1 Performance curve of equipment
a) Data on equipment assembly and inspection of main parts before the test; b) Data on equipment disassembly and inspection results and changes in the size of main wall connections after the test; c) Test records and performance curve of equipment; d) Measurement data of test instruments and meters: e) Equipment system layout diagram:
0 Equipment purchased parts list:
g) Test conditions;
h) Equipment test conclusion.
S.4.2 The contents of the test report include:
) test records, equipment performance diagram 6) equipment test conclusion.
5.4.3 The contents of the factory test report include:
a) test records;
b) test station theory,
5/8093-1999
5.4.4 The test record table is shown in Appendix A (Appendix 6 Inspection and Testing
6.1 All parts, components and accessories of the equipment shall be inspected by the manufacturer's quality inspection department and accompanied by a product certificate.
6.2 The various tests of the equipment shall be carried out according to the items specified in Table 10. Table 10
Test run
Continuous run
Safety and security
To: V indicates that the test is carried out: × indicates that the test is not carried out
The equipment can be put into operation only after the manufacturing accuracy test, assembly accuracy test, key parts material test, and water pressure test are qualified. 6.3
6.4 The first prototype of the new product shall be subjected to type test. 6.5 One piece of the equipment produced shall be taken out of every 10 for random inspection test. If the test result is unqualified, the test shall be repeated with double the number of times. If it is still unqualified, each piece shall be tested.
6.6 Each piece of equipment shall be subjected to factory test: 6.7 The performance coefficient shall reach the following value during the factory test. 6.8 After the equipment test, the water in the cavity shall be removed and the whole machine shall be treated. 6.9 If the manufacturer cannot conduct type tests due to equipment conditions or the user has special requirements, the manufacturer shall agree to conduct type tests. The specific test scope shall be stipulated by the two parties in the agreement.
7 Marking, packaging and storage
7.1 Each equipment shall be fixed with a plate in accordance with the provisions of B13306, on which the following manufacturer's name shall be marked:
b) Equipment name and model:
) Main technical parameters of the equipment:
Rated discharge pressure, MPa;
Rated flow rate, L/min;
System speed, min\;
Main engine power, kw:
Specification:
Factory number, date.
7.2 The equipment shall be equipped with the manufacturer's registered trademark. JBT8093—19 Stop No.
7.3 The equipment shall be marked with the direction of rotation of the prime mover. Other unidirectional rotating equipment shall have a steering head. Each part of the equipment may be given a different name and model, and shall have the same name and model as the main machine: 1.4
7.5 The assembly of the whole machine shall comply with the provisions of (Part B 13384). 7.6 The equipment shall be accompanied by the following documents when leaving the factory and sealed in a moisture-proof container: a) Product compliance certificate:
) Product unique instructions:
c) Accessories list;
d) Packing list.
7. The equipment shall be stored in a dry and ventilated environment to prevent rust and damage. The oil seal of the cleaning machine is guaranteed for six months from the month of delivery.
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