本標準共分11章和2個附錄,其主要內容是:總則、一般術語、用戶分類與燃氣需用量、燃氣管網計算與水力工況、燃氣氣源、燃氣輸配、壓縮天然氣供應、液化天然氣供應、液化石油氣供應、燃氣燃燒與應用、燃氣系統數據采集與監控等。

GBT50680-2012······1

1 總則······11

2 一般術語······12

2.1 燃氣的分類······12

2.2 燃氣的性質······13

2.3 燃氣氣源與輸配······15

2.4 燃氣廠站······16

2.5 自動化控制······19

3 用戶分類與燃氣需用量······20

3.1 用戶分類······20

3.2 燃氣需用量······20

4 燃氣管網計算與水力工況······23

5 燃氣氣源······26

5.1 干餾煤氣的生產······26

5.2 氣化煤氣的生產······28

5.3 油制氣的生產······29

5.4 煤氣的凈化······30

5.5 燃氣質量的調整······34

6 燃氣輸配······35

6.1 門站和儲配站······35

6.2 輸配管道······35

6.3 儲氣與調峰······39

6.4 燃氣調壓······40

6.5 輸配系統的運行管理······42

6.6 管道連接方式及施工技術······44

6.7 鋼制管道與儲罐的腐蝕控制······46

27 壓縮天然氣供應······49

7.1 天然氣壓縮······49

7.2 壓縮天然氣供應站······49

7.3 壓縮天然氣加氣站······50

8 液化天然氣供應······52

8.1 液化天然氣運輸······52

8.2 液化天然氣供氣站······52

8.3 液化天然氣加氣站······55

9 液化石油氣供應······56

9.1 液化石油氣運輸······56

9.2 液化石油氣儲存與供應······57

9.3 液化石油氣加氣站······60

10 燃氣燃燒與應用······61

10.1 燃燒······61

10.2 燃氣應用······65

10.3 用戶管道······70

10.4 管道敷設及連接方式······71

11 燃氣系統數據采集與監控······72

11.1 儀表······72

11.2 監控和數據采集······75

附錄A 中文索引······77

附錄B 英文索引······100

附:條文說明······123

2 一般術語······127

2.1 燃氣的分類······127

2.2 燃氣的性質······128

2.3 燃氣氣源與輸配······128

2.4 燃氣廠站······129

2.5 自動化控制······131

3 用戶分類與燃氣需用量······132

3.1 用戶分類······132

3.2 燃氣需用量······132

4 燃氣管網計算與水力工況······134

5 燃氣氣源······136

5.2 氣化煤氣的生產······136

5.4 煤氣的凈化······136

5.5 燃氣質量的調整······136

6 燃氣輸配······137

6.1 門站和儲配站······137

6.2 輸配管道······137

6.3 儲氣與調峰······139

6.4 燃氣調壓······140

6.5 輸配系統的運行管理······140

6.6 管道連接方式及施工技術······140

7 壓縮天然氣供應······141

7.1 天然氣壓縮······141

7.2 壓縮天然氣供應站······141

7.3 壓縮天然氣加氣站······141

8 液化天然氣供應······142

8.1 液化天然氣運輸······142

8.2 液化天然氣供氣站······142

9 液化石油氣供應······143

9.1 液化石油氣運輸······143

9.2 液化石油氣儲存與供應······143

9.3 液化石油氣加氣站······143

10 燃氣燃燒與應用······144

10.1 燃燒······144

10.2 燃氣應用······144

10.3 用戶管道······144

10.4 管道敷設及連接方式······145

11 燃氣系統數據采集與監控······147

11.1 儀表······147

11.2 監控和數據采集······147