GBT50493-2019······1

1 總則······10

2 術(shù)語(yǔ)······11

3 基本規(guī)定······14

4 檢測(cè)點(diǎn)確定······16

4.1 一般規(guī)定······16

4.2 生產(chǎn)設(shè)施······17

4.3 儲(chǔ)運(yùn)設(shè)施······17

4.4 其他有可燃?xì)怏w、有毒氣體的擴(kuò)散與積聚場(chǎng)所······18

5 可燃?xì)怏w和有毒氣體檢測(cè)報(bào)警系統(tǒng)設(shè)計(jì)······20

5.1 一般規(guī)定······20

5.2 探測(cè)器選用······20

5.3 現(xiàn)場(chǎng)警報(bào)器選用······21

5.4 報(bào)警控制單元選用······22

5.5 測(cè)量范圍及報(bào)警值設(shè)定······23

6 可燃?xì)怏w和有毒氣體檢測(cè)報(bào)警系統(tǒng)安裝設(shè)計(jì)······24

6.1 探測(cè)器安裝······24

6.2 報(bào)警控制單元及現(xiàn)場(chǎng)區(qū)域警報(bào)器安裝······24

附錄A 常見易燃?xì)怏w、蒸氣特性······25

附錄B 常見有毒氣體、蒸氣特性······31

附錄C 可燃?xì)怏w和有毒氣體檢測(cè)報(bào)警系統(tǒng)配置圖······33

附錄D 常見氣體探測(cè)器技術(shù)性能表······34

附錄E 常見氣體探測(cè)器選用指南······37

本標(biāo)準(zhǔn)用詞說(shuō)明······38

引用標(biāo)準(zhǔn)名錄······39

附:條文說(shuō)明······40

1 總則······43

2 術(shù)語(yǔ)······44

3 基本規(guī)定······49

4 檢測(cè)點(diǎn)確定······55

4.1 一般規(guī)定······55

4.2 生產(chǎn)設(shè)施······59

4.3 儲(chǔ)運(yùn)設(shè)施······62

4.4 其他有可燃?xì)怏w、有毒氣體的擴(kuò)散與積聚場(chǎng)所······63

5 可燃?xì)怏w和有毒氣體檢測(cè)報(bào)警系統(tǒng)設(shè)計(jì)······66

5.1 一般規(guī)定······66

5.2 探測(cè)器選用······67

5.3 現(xiàn)場(chǎng)警報(bào)器選用······70

5.4 報(bào)警控制單元選用······72

5.5 測(cè)量范圍及報(bào)警值設(shè)定······73

6 可燃?xì)怏w和有毒氣體檢測(cè)報(bào)警系統(tǒng)安裝設(shè)計(jì)······78

6.1 探測(cè)器安裝······78

6.2 報(bào)警控制單元及現(xiàn)場(chǎng)區(qū)域警報(bào)器安裝······79

附錄A 常見易燃?xì)怏w、蒸氣特性······80

附錄B 常見有毒氣體、蒸氣特性······81

附錄C 可燃?xì)怏w和有毒氣體檢測(cè)報(bào)警系統(tǒng)配置圖······82

附錄D 常見氣體探測(cè)器技術(shù)性能表······83