GB51261-2019······1

1 總則······13

2 術語······14

3 基本規定······17

4 區域規劃······19

5 工廠總平面布置······24

5.1 一般規定······24

52 工廠內防火間距······24

5.3 廠區大門及道路······27

6 工藝系統和裝置······28

6.1 一般規定······28

6.2 工藝系統······28

6.3 裝置內布置······29

6.4 材料應用及絕熱、防腐······34

7 儲存裝卸系統······36

7.1 一般規定······36

7.2 液化天然氣儲存設施······36

7.3 液化天然氣汽車裝卸車設施······43

7.4 液化天然氣灌裝站······44

7.5 制冷劑、輔助產品的儲存與裝卸······45

8 管道布置······47

8.1 一般規定······47

8.2 管線綜合布置······47

8.3 工藝及公用工程管道······49

8.4 生產污水管道······50

8.5 閥門布置······50

8.6 管道應力分析與支吊架······50

9 安全泄放設施······51

9.1 一般規定······51

9.2 可燃氣體排放······53

9.3 液化烴及可燃液體排放······54

9.4 泄漏控制······54

9.5 火炬設施及全廠集中放散設施······56

10 內控系統······58

10.1 一般規定······58

10.2 過程控制系統(BPCS)······58

10.3 安全儀表系統(SIS)······59

10.4 火氣系統(FGS)······60

11 電氣······61

11.1 一般規定······61

11.2 爆炸危險環境······61

11.3 防雷、防靜電及接地······61

12 消防設施······63

12.1 消防站······63

12.2 消防給水系統······64

12.3 干粉滅火系統······66

12.4 泡沫滅火系統······66

12.5 滅火器······67

13 給水排水······69

13.1 給水······69

13.2 排水······69

14 建(構)筑物······71

14.1 一般規定······71

14.2 建(構)筑物······73

15 供暖、通風與空氣調節······74

15.1 一般規定······74

15.2 供暖······74

15.3 通風······75

15.4 空氣調節······76

16 安全、環境保護與健康······77

16.1 安全······77

16.2 環境保護······77

16.3 健康······78

附錄A 防火間距起算點的規定······79

本標準用詞說明······80

引用標準名錄······81

附: 條文說明······85

1 總則······88

2 術語······89

3 基本規定······90

4 區域規劃······91

5 工廠總平面布置······94

5.1 一般規定······94

5.2 工廠內防火間距······95

5.3 廠區大門及道路······96

6 工藝系統和裝置······98

6.1 一般規定······98

6.2 工藝系統······98

6.3 裝置內布置······100

6.4 材料選用及絕熱、防腐······103

7 儲存裝卸系統······105

7.1 一般規定······105

7.2 液化天然氣儲存設施······106

7.3 液化天然氣汽車裝卸車設施······114

7.4 液化天然氣灌裝站······114

8 管道布置······115

8.1 一般規定······115

8.2 管線綜合布置······115

8.3 工藝及公用工程管道······116

8.5 閥門布置······116

8.6 管道應力分析與支吊架······116

9 安全泄放設施······118

9.1 一般規定······118

9.2 可燃氣體排放······119

9.3 液化烴及可燃液體排放······120

9.4 泄漏控制······120

9.5 火炬設施及全廠集中放散設施······120

10 自控系統······122

10.1 一般規定······122

10.3 安全儀表系統(SIS)······122

11 電氣······123

11.1 一般規定······123

11.2 爆炸危險環境······123

11.3 防雷、防靜電及接地······123

12 消防設施······124

12.1 消防站······124

12.2 消防給水系統······124

12.3 干粉滅火系統······125

12.4 泡沫滅火系統······126

13 給水排水······127

13.2 排水······127

14 建(構)筑物······128

14.1 一般規定······128

11.2 建(構)筑物······128

15 供暖、通風與空氣調節······130

15.1 一般規定······130

15.2 供暖······130

15.3 通風······131

15.4 空氣調節······131