GB50273-2022······1
1 总则······11
2 基础复检和放线······12
3 钢架······14
4 锅筒、集箱和受热面管······18
4.1 锅筒、集箱······18
4.2 受热面管······20
4.3 受压元件焊接······24
4.4 省煤器、过热器及钢管式空气预热器······27
5 压力试验······30
6 取源部件、仪表、阀门、吹灰器和辅助装置······34
6.1 取源部件······34
6.2 仪表······36
6.3 阀门、吹灰器和辅助装置······39
7 燃烧设备······42
7.1 炉排······42
7.2 抛煤机······45
7.3 燃烧器······46
8 炉墙砌筑和绝热层······48
8.1 炉墙砌筑······48
8.2 绝热层······49
9 漏风试验、烘炉、煮炉、严密性试验和试运行······50
9.1 漏风试验······50
9.2 烘炉······51
9.3 煮炉······53
9.4 严密性试验和试运行······54
10 工程验收······56
本标准用词说明······58
引用标准名录······59
附：条文说明······60
1 总则······64
2 基础复检和放线······66
3 钢架······67
4 锅筒、集箱和受热面管······68
4.1 锅筒、集箱······68
4.2 受热面管······68
4.3 受压元件焊接······73
4.4 省煤器、过热器及钢管式空气预热器······74
5 压力试验······76
6 取源部件、仪表、阀门、吹灰器和辅助装置······78
6.1 取源部件······78
6.2 仪表······80
6.3 阀门、吹灰器和辅助装置······81
7 燃烧设备······85
7.1 炉排······85
7.2 抛煤机······85
7.3 燃烧器······86
8 炉墙砌筑和绝热层······87
8.1 炉墙砌筑······87
8.2 绝热层······88
9 漏风试验、烘炉、煮炉、严密性试验和试运行······89
9.1 漏风试验······89
9.2 烘炉······90
9.3 煮炉······91
9.4 严密性试验和试运行······91
10 工程验收······93
