《安全生产_石油化工企业可燃气体和有毒气体检测报警设计规范》由会员分享，可在线阅读，更多相关《安全生产_石油化工企业可燃气体和有毒气体检测报警设计规范（35页珍藏版）》请在金锄头文库上搜索。
1、UDCUDC SH Trade Standards of the Peoples Republic of China 中华人民共和国行业标准中华人民共和国行业标准 P P SHSH 3063-3063- 19991999 Specifications for Design of Combustible Gas and Toxic Gas Detection and Alarm Systems in Petrochemical Industry 石油化工企业可燃气体和石油化工企业可燃气体和 有毒气体检测报警设计规范有毒气体检测报警设计规范 Issued on 15 Apr. 1999 Execu
2、ted since 1 Sept. 1999 1999-04-15 发布发布 1999-09-01 实施实施 ISSUED BY THE STATE PETROLEUM AND CHEMICAL INDUSTRY BUREAU 国家石油和化学工业局国家石油和化学工业局 发布发布 The Chinese version of standards has precedence to their English translations which are only for internal reference. 本英文版为内部资料，仅供参考，以中文 版为准。 PREFACE The Specifi
3、cations are revised by this corporation based on the original specifications “Specifications for Design of Combustible Gas Detection and Alarm Systems in Petrochemical Industry” SH3063-94 according to the notification of the file (1996) JBZ No.250 issued by SINOPEC. The specifications consist of six
4、 chapters and two appendices. The major purpose of this revision is to add the contents on the design of toxic gas detection and alarm. In the revision course, the problem that the original specifications contains no content on the design of toxic gas detection and alarm has been given broadly inves
5、ted and studied; practical experiences in toxic gas detection and alarm in petrochemical enterprises in the last years have been summarized; suggestions and opinions from relevant design, production, research and development, and detecting instrument aspects have been collected; and some key issues
6、are discussed many times; finally, this final version of the Specifications is confirmed. If any part in the Specifications is found to revise or supplement in its implement, please offer your suggestion or data to this corporation for reference in future further revision, The contact address of thi
7、s corporation: No. 27 Zhongzhou W. Rd., Luoyang, Henan, 471003. The Specifications is compiled mainly by Luoyang Petrochemical Engineering Corporation, SINOPEC. Units participated the complement of the Specifications include Lanzhou Design Institute, SINOPEC, The Instrument Plane of Yanshan Petroche
8、mical Corporation, SINOPEC, Shenzhen Anhui Industrial Co. Main drafters of the Specifications are Wang Huaiyi, Wang Yubin，Wang Zipin CONTENTS 1.GENERAL PRINCIPLES3 2.TERMINOLOGY AND SYMBOLS3 2.1 Terminology 3 2.2 Symbols3 3.COMMON STIPULATIONS4 4.DETERMINATION OF DETECTION POINTS5 4.1 Processing ins
9、tallations5 4.2 Storage-transportation Facilities6 4.3 Locations where Combustible Gases and Toxic gases Diffuse and Accumulate 7 5.DETECTION-ALARM SYSTEMS OF COMBUSTIBLE GASES AND TOXIC GASES8 5.1 System composition and performance8 5.2 Selection of the detectors9 5.3 Selection of Alarms or Indicat
10、or-alarms10 6.INSTALLATION OF ALARMS FOR COMBUSTIBLE GASES AND TOXIC GASES 12 6.1 Installation of the detector12 6.2 Installation of alarms or indicator-alarms12 APPENDIX A: PROPERTIES TABLE OF COMBUSTIBLE GASES, TOXIC GASES, AND THEIR VAPORS13 ATTACHMENT: ELUCIDATION OF SOME TERMS USED IN THE SPECI
11、FICATIONS19 1. GENERAL PRINCIPLES 1.0.1 The Specifications are formulated in order to ensure the safety production and /or personal safety in petrochemical enterprises by detecting the concentration of possibly leaked combustible gases and toxic gases and timely making alarm to prevent fire and/or e
12、xplosion hazard. 1.0.2 The Specifications are applicable for the design of the detection and the alarm of combustible gases and toxic gases for petrochemical enterprises. 1.0.3 The current relevant mandatory standards and specifications should be met in addition to the Specifications. 2. TERMINOLOGY
13、 AND SYMBOLS 2.1Terminology 2.1.1 Combustible gas The combustible gas for the purpose of the Specifications means the gases in Class A which lower explosive limits are below 10(v/v) % or the difference between both the upper and lower limits are more than 20(v/v) %, or the combustible gases or those
14、 containing small amount of toxic gases which are formed from liquefied hydrocarbons, combustible liquids in Classes Ab, and Ba by vaporization. 2.1.2 Toxic gas The toxic gas for the purpose of the Specifications means hydrogen sulfide, hydrogen cyanide, chlorine, carbon monoxide, acrylonitrile, epo
15、xyethane, and chlorethylene. 2.1.3 Allowable maximum concentration It means the allowable maximum concentration of a or some hazardous substance(s) in the workshop air, i.e. the figure which is not allowed to exceed for the hazardous substance(s) in the sir in working place where workers undertake their job. The figure is also called as the highes
