液化气体汽车罐车安全监察规程英文版Word文件下载.docx

1、Regulation of Safety Supervision for Liquefied Gas Tank Car Lao Bu Fa （1994） No. 262June 20, 1994Chapter 1 General Article 1 To suit the development of national economy, intensify the safety operation of liquefied gas tank cars （hereinafter referred to as tank cars） and to secure the safety of peopl

2、es life and property, this regulation is worked out in accordance with the relevant stipulations of the Provisional Rules for Safety Supervision of Boiler and Pressure Vessels issued by the State Council.Article 2 This regulation applies to steel made tank cars for transportation of liquefied gases

3、with maximum working pressure 0.1Mpa and design temperature +50.This regulation does not apply to tank cars of which the tank is made of non-ferrous metal or non-metal material.The tank cars referred to in this regulation mean single vehicle type tank cars with the tank fixed on vehicle chassis and

4、tank cars of semi-trailer type. The tank may be nude, with heat insulation or heat isolation.Article 3 The design, manufacture, use, transportation, maintenance and reform of tank cars shall, apart from meeting this regulation, be in conformity with stipulations of industrial standards and drawings

5、as well as observe State management rules regarding automobiles and transportation.Article 4 For the research and manufacture of tank cars, in case the technical requirements do not in conformity with this regulation, the pilot manufacture and model test shall be made on the basis of experiment rese

6、arch and subject to approval by the safety supervision organ for boiler and pressure vessels of the Ministry of Labor.On completion of the experiment, a technical appraisal organized by the department- in-charge at over provincial level （including provincial level, the same applies to later cases） s

7、hall be made to it. When it is qualified, it shall be reported to the department of labor at provincial level for the record. Documents of the certificate of appraisal, product technical standard, general drawings, drawings of tank parts, drawings for assembling valve parts, design descriptions, des

8、ign calculations as well as operation instructions shall be submitted to the safety supervision organ for boiler pressure vessels of the Ministry of Labor for approval. It shall not be manufactured in batch until it is approved. Any manufacturer without relevant qualification for manufacturing shall

9、 not manufacture until it obtains qualification for manufacturing according to rules.Article 5 Definition for key terms used in this regulation is as follows:1 Main pressured elements: mean the barrel body, seal head, manhole cover, flange and bolt of the tank as well as the connection pipe with dia

10、meter 250mm.2 Tank cars of low temperature type: mean tank cars with body made of steel and also with external heat insulation layer and pressured jacket, which are used to transport media of liquid oxygen, liquid nitrogen, liquid hydrogen, liquid argon and liquid CO2, etc.3 Safety accessories: mean

11、 rupture disk device, emergency cut off device, static electricity inducing device, safety vale, pressure gauge, liquid level and thermometer.4 Toxicity of medium: means the classes classified in accordance with what specified in Regulation for Safety Technical Supervision of Pressure Vessels issued

12、 by the Ministry of Labor.5 Tank cars: means the combination of tank body and chassis.Chapter 2 DesignArticle 6 The tank car design organizations shall have relevant technical strength and technical conditions. They shall not make design until they have transacted the certificate for approval of des

13、ign organization in accordance with Rules for Qualification Management and Supervision of Pressure Vessel Design Organizations issued by the Ministry of Labor and gone through formalities for the record.Article 7 The general design drawings （blue prints） of the tank cars shall be stamped with the se

14、al of qualification of the pressure vessel design organization. The seal of qualification of pressure vessel design organization shall be in conformity with what specified in Rules for Qualification Management and Supervision of Pressure Vessel Design Organizations issued by the Ministry of Labor.Th

15、e design drawings of main pressured elements of tank cars shall have signatures of personnel for design, checking and examining and approval. The designed general drawings of tank cars shall be approved by the chief engineer of the design organization or by the technical responsible person for press

16、ure vessel design.The designed general drawings of tank cars shall be noted with the name of the tank car, technical features, material of main pressured elements, design thickness （sum of calculation thickness and allowance for corrosion） of seal head and tank barrel.The general drawings and the pa

17、rts drawings of the barrel and seal head of the tank cars of low temperature type shall also be noted with design thickness and nominal thickness.Article 8 The design technical documents shall at least include:1 Design drawings （general drawings, parts drawings of tank cars）;2 Design calculations （c

18、alculation of strength of main pressured elements, calculation of safety drain volume of tank body and the volume of tank body）;3 Design descriptions;4 Operation instructions.Article 9 The design of tank cars shall be safe, reliable, easy for manufacturing, operation, maintenance and overhaul.Articl

19、e 10 The structural design of the tank body shall meet following requirements:1 The connection structure and fixing device for the tank body and chassis shall be firm and reliable to meet transportation requirements as well as to sustain the vibration and impact by the acceleration of gravity. The l

20、ongitudinal center plane of the tank body shall coincide with the longitudinal center plane of the chassis. The tank cars shall be in conformity with what specified in Technical Specification for Operation Safety of Motorized Vehicle GB7258.2 The tank body shall be steel welded structure and its str

21、uctural design shall be in conformity with relevant stipulations in GB150. The longitudinal and circumferential joints on the body and the jointing welds on the seal head shall be full penetration butt type without any permanent cushion plate. The fillet welds at manholes, connection pipes and flang

22、es shall be full penetration structure.3 At least one manhole with nominal diameter not less than 400mm, one liquid phase pipe and one gaseous phase pipe shall be provided to the tank body. Inside the tank, wave buffer plates shall be provided. The effective area of each buffer plate shall be larger

23、 than 40% of section area of the tank body. The installation position of the buffer plates shall make the area of the upper arch be less than 20% of section area of the tank body. The connection between the buffer plates and the tank body shall use firm structure to avoid any cracking or removal. In

24、 general, the volume of each wave buffer sector shall not be more than 3 m3.The tank body of tank cars of low temperature type is allowable not to have manhole and wave buffer plates. Permanent cushion plate may be used to the circumferential joint of the seal head and barrel section at one end of t

25、he tank body.4Necessary safety accessories and valves for charging and discharging shall be provided in accordance with requirements in Chapter 6 of this regulation to the tank body for flammable, explosive medium and the medium of middle and high toxicity. They shall be arranged in a concentrated w

26、ay and protection devices shall be provided.5 The surface color, color tape, color of characters and marks of the tank body shall meet what specified in Chapter 6 of this regulation.Article 11 The materials for main pressured elements shall meet what specified in Chapter 2, Appendix A and Appendix C

27、 of GB 150. In case there is any special requirement for the material, it shall be noted in design drawings and relevant technical specifications.In any of following cases, the steel plates used for tank body shall be inspected piece by piece according to stipulations of Ultrasonic Inspection of Pre

28、ssure Vessel Steel Plate ZBJ74003 and the class for qualification shall not be lower than Class II:1 Nominal thickness is20mm;2 For filling the medium of extreme and high toxicity;3 The design drawing requires V notch low temperature impact test at temperature -20;4 It is specified in the material s

29、tandard that the tensile strength shall be 540N/mm2.The welding materials used for main pressured elements shall be in conformity with relevant standard and shall also be attached with quality certificate.The material producers shall guarantee the quality of materials and shall provide quality certi

30、ficate according to relevant standard. The content of quality certificate shall be completely filled in and sealed by quality inspection department for confirmation. Clear and firm marks shall be made to the specified locations.In case imported materials are used, only the materials allowable for pr

31、essure vessels in that country shall be selected. The scope of application shall be in conformity with relevant specification and they shall be attached with quality certificate. Clear marks shall be made on materials. They shall not be used until they re-tested and qualified.The materials used for

32、low temperature seal shall be compatible to the low temperature liquid. No cold fragile shall happen and the coefficient for heat expansion shall be less. The non-metal material used for low temperature seal may select polyamide and PTFE, etc. For metal material, pure aluminum, aluminum wire or alloy of less coefficient of heat expansion may be selected.The heat insulation material of expansion