Some standard content:
J72 | | tt | | JB | ||Technical Conditions
Implemented on 1994-07-01
Ministry of Machinery Industry of the People's Republic of China
Released
Machinery Industry Standards of the People's Republic of China
Technical Conditions
Motorcycle compressors:
1 Subject content and scope of application
JB/T6907-93
This standard specifies motorcycle compressors (hereinafter referred to as "compressors\) Technical requirements, test methods, inspection rules and marking, packaging, transportation and storage requirements
This standard applies to natural gas as fuel with a driving power of 85 to 600kW and a rated exhaust pressure of no more than 31.5MPa. Compressor
2 reference standards
GB150
GB151
GB3853
GB4556
GB6072
GB6388||tt| |GB7022
GB7184
GB9438
GB10397
GB11352
GB12241bZxz.net
GB12243
GB/T 13306||tt ||GB/T13384
GBJ29
JB2121
JB/T6431
JB/T6908
ZBJ72016
ZBJ99001
3 Technical requirements
Steel pressure vessels
Steel shell and tube heat exchangers
Performance test methods for general volumetric air compressors Reciprocating internal combustion engines fire protection
Reciprocating Type internal combustion engine overspeed protection
Transportation packaging receipt and delivery mark
Simple method for determination of noise and sound power level of positive displacement compressor
Measurement method of vibration of small and medium power diesel engines
Aluminum alloy Technical conditions of castings
Rating of small and medium power purple oil engine
Casted carbon steel parts for general engineering
Safety valve - general requirements
Elastic poor connected load type safety valve
Signs
General technical conditions for mechanical and electrical product packaging
Compressed air station design specifications
Technical conditions for steel alloy castings
Gray iron castings for positive displacement compressors Technical Conditions Technical Conditions for Positive Displacement Compressor Forgings
Technical Conditions for Ductile Iron Parts for Positive Displacement Compressors Gas Machine Bench Test Method
3.1 The compressor shall comply with the provisions of this standard and shall be carried out in accordance with the regulations The drawings and technical documents approved by the prescribed procedures are produced. 3.2 The volumetric flow rate, gas consumption, suction and exhaust pressure and temperature of the compressor, lubricating oil consumption, cooling water inlet pressure and temperature, etc. should all comply with the relevant technical documents. Provisions. 3.3 The limit deviation of the volumetric flow rate of the compressor is 0 to 106%. 3.4 The limit deviation of the gas consumption of the compressor is 0~+5%. Approved by the Ministry of Machinery Industry on 1993-07-13
Implemented on 1994-07-01
1
JB/T 6907-93
3.5 Maximum allowable sound of compressor noise The power level is as specified in Table 1. Table 1
Engine power kW
Noise sound power level dB(A)
85~160
119
>160~315||tt| |122
The operation of the compression machine should be stable, and its vibration intensity should not be greater than the C level requirements in GB10397. 3.6
3.7
The compressor should be able to operate safely and reliably under specified operating conditions, and its annual operation rate should not be less than 92%. The replacement time of the main wearing parts of the compressor should not be less than the requirements in Table 2. 3.8
Table 2
Sealing difference
MPa
<1.6
≥1.6~10
>10
Plug ring
6000
5000
The fire protection of the compressor should be in accordance with the regulations of GB4556. 3.9
3.10 The overspeed protection of the compressor shall comply with the provisions of GB6072, 3500
lift
pieces
name
filling materials
10000
6000
Weighing
>315~600
124
valve disc, valve spring
5000
4500
4000
h
3.11 The design, manufacture and inspection of pressure vessels in compressors should comply with relevant regulations such as GB150, GB151 and "Pressure Vessel Safety Technical Supervision Regulations"||tt| |3.12 Each stage of the compressor should be equipped with a safety valve. The safety valve should comply with the regulations of GB12241 and GB12243, and the action should be sensitive and reliable. The safety valve should be installed in a position free from vibration interference. The gas discharged from the safety valve should comply with Safety and environmental protection requirements. 3.13 The air, oil and water circuit systems of the compressor should be reliably connected and well sealed, and there should be no mutual leakage or leakage. 3.14 The air chambers of pressurized parts such as the cylinder block, cylinder head, cylinder base and wet cylinder liner of the compressor should be subjected to a hydraulic test. The test pressure should be 1.5 times the maximum working pressure. The pressure holding time should be no less than 30 minutes. There should be no leakage. 3.15 The water chamber and cast iron cylinder liner of the cylinder block, cylinder head, cylinder seat and other parts of the compressor should be subjected to a hydraulic pressure test at a pressure of no less than 0.6MPa, the pressure holding time should be no less than 30 minutes, and there should be no leakage . The fuselage oil pool should be tested for leaks with kerosene and kept for 4 hours. There should be no leakage. 3.16 | | tt | | 3.17 | | tt | | 3.18 | | tt | | 3.19 | | tt | The ductile iron castings of the compressor should comply with the regulations of ZBJ72016. The steel holding parts of the compressor should comply with the regulations of GB11352. The steel plated parts of the compressor should comply with the requirements of JB/T6908. The aluminum alloy castings of the jade shrinking machine should comply with the regulations of GB9438, and the pin alloy castings should comply with the regulations of JB2121. 3.22 The compression medium of the compressor is natural gas or oil field gas, and its hydrogen sulfide content is not higher than 2% by volume; the fuel gas is purified fuel gas, and its hydrogen sulfide content is not higher than 20 mg/m. The compression medium and fuel gas are not colonized. Compressors whose oxygen content does not meet the above regulations shall be subject to the regulations agreed between the supplier and the buyer.
3.23 Cooling water quality should comply with the regulations of GBJ29. . The lubricating oil temperature of the crankcase should not be higher than 71°C for the pressure lubrication system, and should not be higher than 82°C for the fly lubrication system. The accuracy of the oil filter 3.24
is at least 0.08mm, and the maximum drainage temperature of the
3.25 cooler should not be greater than 45°C. 3.26 The operating environment of the compressor should be well ventilated. Compressors working indoors must adopt explosion-proof safety instructions that meet environmental requirements. 3.27 The compressor should have a safety protection device that alarms or shuts down. 3.28 The non-processed outer surface of the compressor should be painted, and the paint film should have certain properties of temperature resistance, oil resistance, water resistance, and weather resistance. The paint surface should be smooth, flat, and beautiful. Non-machined inner surfaces and internal parts (except inner surfaces that are not easy to paint) should be treated with rust prevention. Exposed rotating parts and components such as flywheel spokes should be marked with red oil.
2
3.29 compressor complete set and supply scope
a, host machine:
JB/T 6907--93
b. Ancillary equipment (auxiliary containers and air and water cooling devices): pipelines, valves, supporting supplied pipe fittings, flanges and corresponding controls between the compressor inlet and outlet (including auxiliary engines and fuel intake systems) Table only:
d.
Starting equipment and its ancillary devices. However, when an air compressor is used as the starting air source device, the supply of the air rope press and its accessories shall be signed by both the supplier and the buyer; e, spare wearing parts;
f .Special tools necessary for disassembling and assembling the compressor; g. Random documents and drawings.
3.30 Under the condition that the user abides by the product instruction manual, within 18 months from the date of issuance of the loan by the manufacturer, the operating time of the compressor shall not exceed 8000h, and undue damage caused by poor product quality shall be confirmed (excluding wearing parts), the manufacturer shall promptly repair or replace damaged parts and components free of charge.
4Test methods
4.1. The performance test of the compressor shall be carried out in accordance with the provisions of GB3853: the single-cylinder gas engine test of the compressor shall be carried out in accordance with the provisions of ZBJ99001: the measurement of gas consumption and volumetric flow rate of the compressor shall be carried out in accordance with the provisions of ZBJ99001 and other relevant standards. 4.2 The measurement of compressor noise shall follow the provisions of GB7022. 4.3 The measurement of compressor perturbation intensity shall follow the provisions of GB7184. 4.4 The annual operation rate of the compressor is calculated according to the following formula: annual operation rate = 7440 - fault downtime (h) 7440
5 inspection rules
2×100%
5.1 Compressor Each spare part, component and the entire compressor and its ancillary devices shall be inspected by the quality inspection department of the manufacturer in accordance with the relevant provisions of this standard and the drawings and technical documents approved by the prescribed procedures. 5.2 The newly designed drive device must be inspected. For single-cylinder gas engine testing, power and gas consumption are calibrated, and the calibration values ??should comply with the provisions of relevant technical documents.
5.3 Before type inspection of the compressor, a start-up test shall be carried out in accordance with the provisions of relevant documents. 5.4 Type inspection
The first prototype of the compressor trial production can be type inspected at the manufacturer or user unit in accordance with the agreement. The continuous operation time of the type inspection should not be less than 500h. During operation, check the working condition of the compressor, measure the compressor's volume flow, gas consumption, rotation speed, circulating lubricating oil and cooling water temperature, gas pressure and temperature at all levels, cooling water and lubricating oil consumption, vibration Intensity and noise, etc. After operation, check the wear of vulnerable parts, components and friction surfaces. The results should comply with the provisions of this standard and relevant technical documents. 5.5 Factory inspection
5.5.1 All compressors officially put into production shall be inspected by the manufacturer one by one. The factory inspection method is:
No-load operation inspection of the compressor main unit;
.
b. Load operation inspection of the compressor unit,
A certain type of compressor The factory inspection method to be adopted shall be specified by the manufacturer in accordance with the approved technical documents. 5.5.2 Inspection of the no-load operation of the compressor main engine. The operation time at rated speed is not less than 2 hours. Check the quality of the assembly and the correctness of the interaction of parts and components.
5.5.3 Load operation inspection of the compressor unit. The continuous operation should be no less than 3 hours under rated working conditions. Check the assembly quality of the compressor and the correctness of the interaction of parts and components. Use the simplified performance test method to measure the volume. Flow, pressure and temperature at all levels, cooling water and lubricating oil temperature, etc. 3 | | tt | | JB/T690793 | | tt | |tt||6.1 The compressor should have obvious rotation direction signs. 6.2 The compressor should be equipped with a product label on a visible and eye-catching part. The label should comply with the regulations of GB/T13306. The label should at least indicate the following:
a.
b.||tt| |c.
d
e.
f.
g
h.
.
J.| |tt||k.
L.
6.3
6.4
6.5
6.6
Product model:
Product name:
nominal volumetric flow rate, m\/min;
nominal suction pressure, MPa;
rated exhaust pressure, MPa;
driving power, kW :
Rotation speed, r/min;
Dimensions (length × width × height), mm
Net weight:
Factory number:
Factory date :
The name and address of the manufacturer (export products are marked with the words "People's Republic of China"), the packaging and shipping and delivery marks of the compressor should comply with the regulations of GB/T13384 and GB6388. The compressor should be stored in a dry and ventilated warehouse or a covered place that is protected from moisture. The packaging of the compressor should comply with the relevant national transportation regulations. The manufacturer shall ensure that the product will not be rusted or damaged due to poor packaging within 12 months under normal storage and transportation conditions from the date of shipment. Special requirements shall be stipulated in the agreement between the supplier and the buyer. Additional notes:
This standard is proposed by the National Compressor Standardization Technical Committee. This standard is under the jurisdiction of the Hefei General Machinery Research Institute of the Ministry of Machinery Industry. This standard is drafted by West China General Machinery Company. The person responsible for drafting this standard is Ji Guiying.
MPa;
Rated exhaust pressure, MPa;
Drive power, kW:
Speed, r/min;
Overall dimensions (length × width × height), mm | Packaging and shipping and receiving markings should comply with the regulations of GB/T13384 and GB6388. The compressor should be stored in a dry and ventilated warehouse or a covered place that is protected from moisture. The packaging of the compressor should comply with the relevant national transportation regulations. The manufacturer shall ensure that the product will not be rusted or damaged due to poor packaging within 12 months under normal storage and transportation conditions from the date of shipment. Special requirements shall be stipulated in the agreement between the supplier and the buyer. Additional notes:
This standard is proposed by the National Compressor Standardization Technical Committee. This standard is under the jurisdiction of the Hefei General Machinery Research Institute of the Ministry of Machinery Industry. This standard is drafted by West China General Machinery Company. The person responsible for drafting this standard is Ji Guiying.
MPa;
Rated exhaust pressure, MPa;
Drive power, kW:
Speed, r/min;
Overall dimensions (length × width × height), mm | Packaging and shipping and receiving markings should comply with the regulations of GB/T13384 and GB6388. The compressor should be stored in a dry and ventilated warehouse or a covered place that is protected from moisture. The packaging of the compressor should comply with the relevant national transportation regulations. The manufacturer shall ensure that the product will not be rusted or damaged due to poor packaging within 12 months under normal storage and transportation conditions from the date of shipment. Special requirements shall be stipulated in the agreement between the supplier and the buyer. Additional notes:
This standard is proposed by the National Compressor Standardization Technical Committee. This standard is under the jurisdiction of the Hefei General Machinery Research Institute of the Ministry of Machinery Industry. This standard is drafted by West China General Machinery Company. The person responsible for drafting this standard is Ji Guiying.
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