石油化工企业可燃和有毒气体检测报警设计规范(doc 18页)

1. GENERAL PRINCIPLES……………………………3
2. TERMINOLOGY AND SYMBOLS……………………3
  Terminology ………………………3
  Symbols………………………………3
3. COMMON STIPULATIONS………………………4
4. DETERMINATION OF DETECTION POINTS…………………5
  Processing installations………………………………5
  Storage-transportation Facilities……………………6
  Locations where Combustible Gases and Toxic gases Diffuse and Accumulate ………7
5. DETECTION-ALARM SYSTEMS OF COMBUSTIBLE GASES
AND TOXIC GASES……………………8
  System composition and performance……………………8
  Selection of the detectors………………9
  Selection of Alarms or Indicator-alarms……………………………10
6. INSTALLATION OF ALARMS FOR COMBUSTIBLE GASES
AND TOXIC GASES…………………… 12
  Installation of the detector………………………12
 Installation of alarms or indicator-alarms……………………………12
APPENDIX A: PROPERTIES TABLE OF COMBUSTIBLE GASES, TOXIC GASES, AND THEIR VAPORS……………………………13
ATTACHMENT:
ELUCIDATION OF SOME TERMS USED IN THE SPECIFICATIONS…………………19

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