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GB 22207-2008 English PDF

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GB 22207-2008: Safety requirements of displacement air compressor
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GB/T 13277.1   GB/T 33625   GB/T 4976   GB/T 45821   GB/T 45820   GB/T 45785   

Basic data

Standard ID GB 22207-2008 (GB22207-2008)
Description (Translated English) Safety requirements of displacement air compressor
Sector / Industry National Standard
Classification of Chinese Standard J72
Classification of International Standard 23.140
Word Count Estimation 14,152
Date of Issue 2008-07-09
Date of Implementation 2009-03-01
Quoted Standard GB 150; GB 151; GB 4208; GB/T 4975; GB/T 4980; GB/T 7777; GB/T 16301; GB/T 12928; GBT/12929; GB/T 13279; GB/T 13928; GB/T 15706.1; JB/T 3771; JB/T 4223; JB/T 4253; JB/T 6430; JB/T 6441; JB/T 6539; JB/T 6905; JB/T 7662; JB/T 8867; JB/T 8933; JB/T 8934; JB/T 9107; JB/T 10525; JB/T 10598; JB/T 10683; pressure Vessel safety Technology Supervision; simple pressure Vessels safety Technology Supervision
Adopted Standard ASME B19.1-1995, NEQ
Regulation (derived from) Announcement of Newly Approved National Standards No. 12 of 2008 (No. 125 overall)
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary This Chinese standard specifies the displacement air compressor safety requirements and test method for determining safety performance. This standard contains safety requirements for all major risk compressor. This standard applies to power of not less than 0. 25kW, exhaust pressure is 0. 035MPa ~ 45MPa air compressor. This standard does not apply to the following compressors: a) for breathing, diving, surgery and other special gas air compressor, b) for air brake system air compressor, c) for the gas delivery system air compressor, d) process and ASU air compressor.

GB 22207-2008: Safety requirements of displacement air compressor

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Safety requirements of displacement air compressor ICS 23.140 J72 National Standards of People's Republic of China Displacement air compressor safety requirements Published 2008-07-09 2009-03-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China issued

Table of Contents

Preface Ⅰ 1 Scope 1 2 Normative References 1 2 3 Definitions 4 safety requirements and test 2 4.1 General 2 4.2 Noise 2 Mechanical vibrations 2 4.3 4.4 Temperature Control 2 4.5 Pressure Control 3 4.6 valve and check valve 4 4.7 Lubrication System 4 4.8 cooling water system 4 4.9 guard 4 Pressure vessel 4 4.10 4.11 display instrument 5 4.12 suction system 5 4.13 Lifting 5 Electric 4.14 5 4.15 6 speed limit 6 5 Use of information 5.1 General requirements 6 5.2 Nameplate 6 5.3 mark 6 5.4 Instructions for use 6 Safety determination compressor 6 8 Appendix A (informative) Typical air compressor safety performance test list 9

Foreword

This standard 4.2.2,4.3.2 ~ ~ 4.5.3,4.6,4 4.3.4,4.4.1,4.4.2,4.5.1 .7.1,4.7.2,4.8.1,4.9,4.10, 4.11,4.12.1,4.13,4.14.1.1,4.14.2.3,4.14.2.4,4.14.3,5.3.2 ~ 5.3.5 are mandatory, others are pushing Recommended provisions. This standard is not equivalent U.S. ASMEB19.1-1995 "volumetric compressor system safety standards", particularly using the standard Safety requirements for displacement air compressor portion. The standard gives the content specified value, this standard are to be employed; although the requirement for Without specific targets who, according to the domestic content requirements of product standards, are given specific targets or quantitative requirements; while some of the recommendations of the standard Requirements or operational requirements in the country can not be executed, this standard were not used. Japanese standards since the implementation date of the original JB8524-1997 "displacement air compressor safety requirements" abolished. Appendix A of this standard is an informative annex. The standard proposed by China Machinery Industry Federation. This standard by the National Standardization Technical Committee compressor. This standard was drafted. Hefei General Machinery Research Institute. The main drafters. Xiao Mao, Yu Zhiqiang. This standard is the first release. Displacement air compressor safety requirements Range 1 This standard specifies the testing displacement air compressor (hereinafter referred to as "compressor") security requirements and safety determination method. This standard contains safety requirements are all major risk for fracture risk of air compressor (the material inside the machine due to problems caused by except). This standard applies to power is not less than 0.25kW, compressor discharge pressure of 0.035MPa ~ 45MPa. This standard does not apply to the compressor. a) a gas compressor special breathing, diving, surgery and the like; b) a compressor of an air brake system; c) a compressor gas delivery system; d) process and air separation unit air compressor.

2 Normative references

Terms of the following documents become provisions of this standard by reference in this standard. Where dated reference documents, all subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, is to encourage the parties to the agreement according to the study of Whether the latest versions of these documents. For undated references, the latest version applies to this standard. GB 150 steel pressure vessel GB 151 shell and tube heat exchanger GB 4208 shell protection (IP code) (GB 4208-2008, IEC 60529.2001, IDT) GB/T 4975 General term displacement compressor (GB/T 4975-1995, eqv ISO 3857-1 ~ 3857-2. 1977) Determination GB/T 4980 displacement compressor noise Vibration measurement and evaluation GB/T 7777 mechanical displacement compressor GB/T 16301 ship engine room auxiliary measurement and evaluation of the vibration intensity GB/T 12928 Marine low pressure piston air compressor GB/T 12929 Marine high pressure piston air compressor GB/T 13279 generally fixed reciprocating piston air compressor GB/T 13928 miniature reciprocating piston air compressor GB/T 15706.1 Safety of machinery basic concepts general principles for design - Part 1. Basic terminology and methods JB/T 3771 mobile compressors Chassis conditions JB/T 4223 truck-mounted displacement unit technical condition of the air compressor JB/T 4253 for general use injector vane air compressor JB/T 6430 is generally used oil-injected screw air compressor JB/T 6441 compressor safety valve JB/T 6539 miniature air compressor Steel pressure vessels JB/T 6905 diaphragm compressor JB/T 7662 The term rotary compressor displacement compressor JB/T 8867 stationary reciprocating piston air compressor tank JB/T 8933 Oil-free reciprocating piston air compressor JB/T 8934 Direct portable reciprocating piston air compressor JB/T 9107 reciprocating compressors term JB/T 10525 is generally used single-screw air compressors injector JB/T 10598 ships screw air compressor with dry conditions JB/T 10683, the high-pressure reciprocating piston air compressor Pressure Vessel Safety Technical Supervision Regulation Simple Pressure Vessel Safety Technical Supervision Regulation

3 Terms and Definitions

Definition 3.1 compressor meets GB/T 4975, JB/T 7662 and JB/T 9107. 3.2 Safety of machinery in line with the definition of terms GB/T 15706.1. 3.3 following terms and definitions apply to this standard requirements. Pressure release means starts off instantaneously and a large number of compressed air is released, the pressure release means upstream pressure.

4 safety requirements and testing

4.1 General 4.1.1 air compressor design, production, installation, maintenance, operation and inspection shall comply with relevant product standards. 4.1.2 Micro reciprocating piston compressor shall comply with GB/T 13928's. 4.1.3 General fixed reciprocating piston compressor shall comply with GB/T 13279's. 4.1.4 General with injection screw compressor shall comply JB/T 6430's. 4.1.5 General single screw compressor with injection shall comply JB/T 10525's. 4.1.6 General vane compressor with injection shall comply JB/T 4253's. 4.1.7 General dry screw compressor shall comply JB/T 10598's. 4.1.8 diaphragm compressors shall comply with JB/T 6905's. 4.1.9 Oil-free reciprocating piston compressor shall comply with JB/T 8933's. 4.1.10 Direct portable reciprocating piston compressor shall comply JB/T 8934's. 4.1.11 Marine low pressure piston compressor shall comply with GB/T 12928's. 4.1.12 Marine high pressure piston compressor shall comply with GB/T 12929's. 4.1.13 truck-mounted volume air compressor should be consistent with JB/T 4223's. 4.1.14, the high-pressure reciprocating piston compressor shall comply JB/T 10683's. 4.1.15 mobile air compressor shall comply with the appropriate standard products, which shall conform to the chassis JB/T 3771's. 4.2 Noise 4.2.1 compressor sound power level measured shall comply with GB/T 4980's. 4.2.2 compressor sound power level shall comply with the requirements of product standards 4.1. 4.3 mechanical vibration Marine 4.3.1 Measurement of mechanical vibration of the piston compressor shall comply with GB/T 16301, and other measurements of mechanical vibration air compressor should meet Co GB/T 7777 regulations. 4.3.2 Marine the low pressure piston compressor vibration intensity shall comply with GB/T 12928's. 4.3.3 Marine high pressure piston compressor vibration intensity shall comply with GB/T 12929's. 4.3.4 Other air compressor vibration intensity values should be consistent with GB/T 7777's. 4.4 Temperature Control 4.4.1 exhaust temperature and the lubricating oil temperature 4.4.1.1 When a predetermined time in a manufacturing environment and the compressor discharge pressure to a final stable operation under the rated discharge pressure levels Exhaust gas temperature should meet the following requirements. a) compressing chamber lubricated air compressor (rotary compressor, except the fuel injection, and marine diaphragm compressor piston compressor), the exhaust gas levels Temperature should not exceed 180 ℃, when using synthetic oil lubrication, the exhaust gas temperature levels should not exceed 200 ℃; b) oil-free compressor compression chamber (dry screw compressor excluded), the exhaust gas temperature levels should not exceed 200 ℃; c) injection rotary compressors, the temperature of the exhaust gas levels should not exceed 110 deg.] C, when the rated discharge pressure is greater than 1.25MPa and using engagement When an oil lubrication, the exhaust gas temperature is allowed to exceed 110 deg.] C limit levels, but not more than 130 ℃; d) a diaphragm compressor, the exhaust gas temperature levels should not exceed 160 ℃; e) Marine piston compressor, the exhaust gas temperature levels should not exceed 200 ℃. 4.4.1.2 have oil lubricated compressor (rotary compressor, except the fuel injection), at the factory when a predetermined compressor discharge pressure and end-use environment Force of stable operation at rated discharge pressure condition, prior to entering the compression chamber and the lubricating oil temperature, lubricating oil temperature of the lubricating moving parts are Should not exceed 70 ℃, marine lubricating oil cooled piston compressor temperature should not exceed 80 ℃. 4.4.2 overtemperature protection measures Driving power is greater than 15kW and the rated discharge pressure of the compressor should exceed 0.34MPa with the exhaust gas temperature or over-temperature alarm stop means Home. Temperature sensing element should be mounted on the rear of each front-stage exhaust gas cooler and the pipe close to the exhaust port. Parking overtemperature temperature not higher than the parking apparatus Normal maximum exhaust temperature plus 28 ℃, 4.4.1 not more than a predetermined maximum exhaust temperature limit. Compressor overtemperature can only be manually reset after parking Bit. Prior to reset the air compressor in any case not start automatically. 4.4.3 overtemperature parking sensitivity of the test device Over-temperature sensitivity of the parking device should be tested three times, each action should be correct. When the test temperature sensing element and removed from the air compressor Temperature sensing parts may be placed in an oil bath thermostat, the compressor starts, the oil bath was heated to the oil temperature was slowly raised and homogenized. The indexing Value Bar mercury thermometer accuracy of greater than or equal to 0.5 ℃ other oil thermometer measurement, testing overtemperature parking parking device temperature degree. After stopping, adjusting the oil bath oil, the temperature drop, the manual reset means over-temperature stop, repeat the above steps and 2nd 3 test. 4.5 Pressure Control 4.5.1 should be adequate compressor pressure control means to prevent damage to the compressor due to overload, to prevent overpressure explosion hazard. 4.5.2 overpressure compressor should be able to control the pressure of the exhaust gas, the exhaust gas pressure is higher than when the final rating, the control device should be able to prevent the operation of Pressure continues to rise. Operation setting value should be higher than the rated discharge pressure but lower than the pressure on the gas tank compressor starts release device pressure. 4.5.3 pressure should be set on the system components and the compressed air flowing through the device release means, the method does not work when the other pressure control, Pressure relief device shall prevent compressor overload and overpressure caused by an explosion hazard. Between the compressor discharge port and a first valve should be provided Pressure relief device. 4.5.3.1 set off pressure of pressure relief device shall prevent device leakage and unnecessary pressure off the release, but it should not exceed Maximum working pressure protection system weakest element (manufacturer defined) plus 1.1 times or 0.1MPa, whichever is greater of the two. 4.5.3.2 pressure relief device system components should be protected as close as possible, and does not allow valves spaced, which should ensure the releasability The maximum continuous supply conditions, pressure does not exceed the system components specified by the manufacturer or plus 1.1 times the maximum working pressure of 0.1MPa, whichever The larger value. 4.5.3.3 release device into the compressed air flowing through the pipes and the effective flow area connecting member is not less than the release means has at inlet Efficient flow area. 4.5.3.4 discharge line pressure relief device does not allow installation of the valve, the discharge pipe and the aperture size should not reduce its ability to release. 4.5.3.5 compressed air may be released directly into the atmosphere, but the position of the exhaust pipe should not cause injury to human normal operation. When the pressure When the reaction force of the release means movement may cause excessive discharge conduit or excessive vibration, piping respond appropriately secured. 4.5.3.6 compressor pressure release means spring safety valve should be preferred. When released large flow, bursting disc may be employed. 4.5.3.7 safety valve used on air compressors shall comply with JB/T 6441's. Blasting films, should be indicated in particular in the bursting disc Bursting pressure at a temperature. 4.5.4 compressor discharge pressure control apparatus and test apparatus releasing all pressure not less than 3 times (bursting test piece 1), each movable As it should be correct. When the test pressure gauge (or other instrument) is not lower than 0.4 accuracy. 4.6 valve and check valve 4.6.1 In order to ensure that the inlet, exhaust valve installed properly, the valve assembly of the reciprocating compressor and the valve orifice should be designed for an intake valve assembly They are not interchangeable and can not inverted when the exhaust valve assembly is mounted. 4.6.2 All back-pressure caused by the air compressor may be reversed after stopping at the final stage should be the exhaust line check valve or other means The anti-reverse. The check valve shall be designed to ensure the check valves will not be installed backwards. 4.7 Lubrication System 4.7.1 Analyzing oil must have an oil level visual means (e.g., depending on the oil immersion lens, dipstick etc.) on the air compressor storage containers, depending on the oil and means Marked with a permanent marker normal oil level of the maximum limit and minimum. 4.7.2 Pressure lubrication compressor (rotary compressor, except the fuel injection) should be protected hydraulic means. When the hydraulic pressure is lower than the actual operating compressor Regulation When setting the alarm or stop. 4.8 Cooling Water System 4.8.1 cooled compressor cooling water should be monitored, an alarm or stopping device. 4.8.2 water protection device sensitivity should be examined three times, each action should be correct. Guard 4.9 4.9.1 compressor protective devices should be installed following locations. a) dangerous for the human body all the moving parts or appliances; b) an outer body easily accessible temperature exceeds 80 ℃ components (except cylinder member) and the pipe; c) and the horizontal body easily disposed near the pipe can not withstand a vertical load of 1.5kN; d) on the human body may produce dangerous jets at high pressure. 4.9.2 guard shields should be used to meet the following requirements. a) the shield should be easy to remove and install; b) the shield mesh size or the minimum distance to the object surface protection should ensure that any person does not touch the finger into the anti- Protection of the object; c) shield designs do not affect the convection air and ambient air around the compressor, the compressor should be able to ensure sufficient Cooling; d) the stiffness of the shield should ensure that any person against a protective cover does not cause deformation or displacement of the shield lead shield is accessible Protection of the object. 4.9.3 When using guard fence, should meet the following requirements. a) Fence height should ensure that any person can not be easily entered; b) isolation and from the surface of the object to be protected, should ensure that when the object to be protected, without touching any hand; c) isolation should be fixed and not free to move, without isolation stiffness should ensure that the barrier against the person over any barrier Deformation, impact isolation. 4.10 Pressure Vessels 4.10.1 pressure vessels should follow the "Pressure Vessel Safety Technology Supervision" or "Easy Pressure Vessel Safety Technology Supervision" requirement. 4.10.2 mini tank of reciprocating piston compressor design, manufacturing and testing shall comply with JB/T 6539's. 4.10.3 General reciprocating piston compressor with a fixed gas tank design, manufacture and inspection shall comply JB/T 8867's. Design of pressure vessels 4.10.4 other auxiliary equipment and air compressor air compressor tank involved in manufacturing and testing should be consistent 150 GB provisions. 4.10.5 compressor shell and tube heat exchanger installed independently of the intercooler and aftercooler such as design, manufacture and inspection should meet GB 151 Provisions. But the composition of the air compressor mounted non-independent integral heat exchanger, when the designer and manufacturer to ensure its safe use, may not be affected by this limit. 4.11 indicator 4.11.1 drive power greater than or equal to 22kW compressor easily install a temperature meter readings at each display stage exhaust position Exhaust temperature levels. 4.11.2 compressor should display mounted pressure gauge air pressure in the following positions. a) a tank; The pipe downstream of the piston, screw and vane compressor final stage b) is greater than the operating pressure of 0.1MPa close to the exhaust port (drive power Not more than 15kW non-fixed compressor excluded); Downstream of each stage c) is greater than the operating pressure of 0.3MPa diaphragm compressor duct close to the exhaust opening; d) driving the air compressor power is greater than or equal to 22kW per a downstream pipe close to the exhaust port. 4.11.3 lubrication pressure compressor (rotary compressor, except the fuel injection) should be equipped with a lubricant pressure meter display. 4.11.4 final gauge pressure meter when its maximum range should be 1.5 times to 2 times the maximum working pressure of the tank. Pressure gauge Consistent pressure on the unit scale units with safety valve should be used. 4.11.5 pressure pulsation of the pressure gauge reading should be taken to ensure that the pressure gauge reading is stable, able to display the actual pressure value. 4.12 intake system 4.12.1 compressor intake system should prevent damage to the compressor caused by foreign matter is sucked inside the compressor. 4.12.2 at full negative pressure, the intake system should be able to ensure that deformation and does not cause the intake system of any material intake air pressure machine. Differential pressure controller allows to protect the intake system. 4.13 Lifting Weighing more than 45kg of air compressor parts and components, but when it is shaped to lifting, or to be provided with a clear rings, lifting Eyebolts ear or the like, or a lifting position was clearly marked. Air compressor with the box, but also should be clearly marked on the package lifting position Knowledge, boxes lifting signs should use the appropriate way signs, signs should be eye-catching and accurate. 4.14 Electrical 4.14.1 motor-driven compressor, the motor should have good insulating properties. 4.14.1.1 normal insulation resistance value of the motor windings should be not less than 5MΩ, hot insulation resistance value of the motor windings should be not lower than Calculated value. R = U/(1000 + 0.01P) Where. --- R & lt insulation resistance of the motor winding, in units of megohm (milliohms); --- the U-rated voltage of motor windings, in volts (V); P --- motor winding rated power, in kilowatts (kW), kVA (kVA) or kvar (kvar). Insulation resistance calculated by the formula below 0.38MΩ, press 0.38MΩ assessment. 4.14.1.2 insulation resistance of the motor windings with a megohmmeter test, the test voltage is applied 1min, test voltage shall meet the following requirements. a) the rated motor winding voltage is less than 500V, the test voltage (rms) of 500V; B) When the rated voltage between the motor windings 500V ~ 3300V, test voltage (rms) was 1000V; c) When the rated motor winding voltage is greater than 3300V, the test voltage (effective value) is not less than 2500V. 4.14.2 motor-driven compressor, the electric control device should have good insulating properties. (Except for the charging voltage is lower than 36V safety body) 4.14.2.1 the charged portion of the electronic control device and accessible metal housing body portion It should withstand voltage test. Test power supply voltage waveform is a sine wave of a frequency between 45Hz ~ 62Hz, should meet the following test voltage Provisions. Rated voltage a) the electrical control device for use between U1 12V ~ 60V, the test voltage (rms) of 500V; B) When the rated voltage U1 is greater than the control equipment used in 60V, the test voltage (rms) of 2U1 + 1000V, and a minimum of 1500V. 4.14.2.2 test should be cut before the test electric power equipment, is effectively cut off again and the electronic control device and other devices or elements in contact, preventing The test voltage adversely affect other devices or elements. 1min maintained at the test voltage. 4.14.2.3 electronic control device in the withstand voltage test process, there should be no larger than a breakdown current of 10mA, there should be no flashover. 4.14.2.4 between before and after the voltage resistance test, the charging member application megohm measured electrical control device and accessible metal body shell Insulation resistance, the value of not less than 1MΩ. 4.14.3 electric equipment housing and compressor housing bare metal protection 4.14.3.1 motor-driven air compressor, shell protection grade electrically controlled device according to test methods specified in GB 4208, should meet GB 4208 IP2X level specified requirements. 4.14.3.2 motor-driven compressor should be operably linked between a bare metal housing and a protection circuit, to prevent the metal housing of the charged human body cause some damages. Resistance between the metal shell and the protection circuit should not exceed 0.1Ω. Resistance measuring instrument should be used for authentication, this instrument 10A such that the at least DC current or AC impedance between points 0.1Ω by resistance measurement. Speed limit 4.15 Input power is greater than 7.5kW and driven by a variable speed prime mover of the compressor system should have the highest speed with the speed limit system. Maximum speed limit value determined by the manufacturer, but should ensure a change in the load compressor rotational speed will not cause damage to the compressor.

5 Use Information

5.1 General requirements 5.1.1 Air compressor manufacturer in the provision of air compressor, should provide detailed usage information, to enable users to correctly Click Information Security Operation, use and maintenance of the machine. 5.1.2 Using the information shall be given in the form of plate, and other signs and instructions for use. 5.2 Nameplate 5.2.1 Each compressor shall provide in its obvious and flat parts of the fixed nameplate nameplate shall comply with the provisions of 4.1 product standards. 5.2.2 cylinders and other equipment, pressure vessels, shall provide separate nameplate, nameplate should follow the "Pressure Vessel Safety Technology Supervision" or Provisions "Easy Pressure Vessel Safety Technology Supervision" of. 5.2.3 Other major individual components of the compressor, such as a safety valve independent of the valve, independent of the cooler, the driving motor and the like, should be set up corresponding The nameplate on the nameplate information must be accurate, complete, clear text. 5.3 mark 5.3.1 signs should be obvious, text and images should be clear and accurate. 5.3.2 power input side of the air compressor to be nailed or cast or steering arrow mark. 5.3.3 or a remote-controlled air compressor factory should provide a warning badges marked thereon. ...

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