GB50273-2022······1

1 總則······11

2 基礎復檢和放線······12

3 鋼架······14

4 鍋筒、集箱和受熱面管······18

4.1 鍋筒、集箱······18

4.2 受熱面管······20

4.3 受壓元件焊接······24

4.4 省煤器、過熱器及鋼管式空氣預熱器······27

5 壓力試驗······30

6 取源部件、儀表、閥門、吹灰器和輔助裝置······34

6.1 取源部件······34

6.2 儀表······36

6.3 閥門、吹灰器和輔助裝置······39

7 燃燒設備······42

7.1 爐排······42

7.2 拋煤機······45

7.3 燃燒器······46

8 爐墻砌筑和絕熱層······48

8.1 爐墻砌筑······48

8.2 絕熱層······49

9 漏風試驗、烘爐、煮爐、嚴密性試驗和試運行······50

9.1 漏風試驗······50

9.2 烘爐······51

9.3 煮爐······53

9.4 嚴密性試驗和試運行······54

10 工程驗收······56

本標準用詞說明······58

引用標準名錄······59

附：條文說明······60

1 總則······64

2 基礎復檢和放線······66

3 鋼架······67

4 鍋筒、集箱和受熱面管······68

4.1 鍋筒、集箱······68

4.2 受熱面管······68

4.3 受壓元件焊接······73

4.4 省煤器、過熱器及鋼管式空氣預熱器······74

5 壓力試驗······76

6 取源部件、儀表、閥門、吹灰器和輔助裝置······78

6.1 取源部件······78

6.2 儀表······80

6.3 閥門、吹灰器和輔助裝置······81

7 燃燒設備······85

7.1 爐排······85

7.2 拋煤機······85

7.3 燃燒器······86

8 爐墻砌筑和絕熱層······87

8.1 爐墻砌筑······87

8.2 絕熱層······88

9 漏風試驗、烘爐、煮爐、嚴密性試驗和試運行······89

9.1 漏風試驗······89

9.2 烘爐······90

9.3 煮爐······91

9.4 嚴密性試驗和試運行······91

10 工程驗收······93