GB50972-2014：循环流化床锅炉施工及质量验收规范

本规范共分15章和3个附录,主要技术内容包括:总则,术语,基本规定,锅炉基础复查与画线,钢架及相关金属结构,受热面,水压试验,燃烧装置,锅炉附属管道及附件,烟、风、燃(物)料管道及附属设各,锅炉烟、风系统严密性试验,锅炉炉墙砌筑,锅炉热力设各及管道保温,锅炉调整试验,质量验收。

GB50972-2014······1

1 总则······11

2 术语······12

3 基本规定······14

4 锅炉基础复查与画线······16

5 钢架及相关金属结构······17

5.1 钢架安装及二次灌浆······17

5.2 平台挟梯及相关金属结构······20

5.3 门孔及密封件······20

6 受热面······22

6.1 汽包或启动分离器、联箱······22

6.2 受热面管(束）屏安装······23

6.3 减温器及连通管道······27

6.4 受压元件焊接······27

6.5 炉膛密封······29

7 水压试验······31

8 燃烧装置······33

8.1 布风装置······33

8.2 启动点火及稳燃装置······33

8.3 煤泥枪······34

9 锅炉附属管道及附件······35

9.1 锅炉附属管道······35

9.2 汽包就地水位计······35

9.3 安全阀······36

9.4 就地仪表及取源部件······37

9.5 膨胀系统及指示器······38

9.6 燃油(气）管道······39

9.7 吹灰装置······40

10 烟、风、燃(物）料管道及附属设备······41

10.1 空气预热器······41

10.2 烟、风、燃(物）料管道······43

10.3 外置床及旋风分离器······44

10.4 其他附属设备安装······46

11 锅炉烟、风系统严密性试验······47

11.1 严密性试验条件······47

11.2 严密性试验要求······47

12 锅炉炉墙砌筑······49

12.1 不定形耐磨耐火材料施工······49

12.2 定形耐磨耐火材料施工······54

12.3 耐火陶瓷纤维施工······57

13 锅炉热力设备及管道保温······59

14 锅炉调整试验······65

14.1 一般规定······65

14.2 烘炉······65

14.3 锅炉化学清洗······67

14.4 锅炉冷态通风试验······68

14.5 锅炉吹管······69

14.6 蒸汽严密性试验及安全阀校验······70

15 质量验收······72

15.1 施工质量验收划分······72

15.2 施工质量验收基本要求······72

附录A 施工质量验收表格······75

本规范用词说明······79

引用标准名录······80

附:条文说明······83

1 总则······86

2 术语······87

3 基本规定······88

4 锅炉基础复查与画线······90

5 钢架及相关金属结构······91

5.1 钢架安装及二次灌浆······91

5.2 平台挟梯及相关金属结构······91

6 受热面······92

6.1 汽包或启动分离器、联箱······92

6.2 受热面管(束)屏安装······92

6.4 受压元件焊接······92

6.5 炉膛密封······93

7 水压试验······94

9 锅炉附属管道及附件······96

9.1 锅炉附属管道······96

9.2 汽包就地水位计······96

9.3 安全阀······96

9.4 就地仪表及取源部件······96

9.5 膨胀系统及指示器······97

9.6 燃油(气)管道······97

9.7 吹灰装置······97

10 烟、风、燃(物)料管道及附属设备······98

10.1 空气预热器······98

10.2 烟、风、燃(物)料管道······98

11 锅炉烟、风系统严密性试验······99

11.1 严密性试验条件······99

12 锅炉炉墙砌筑······100

12.1 不定形耐磨耐火材料施工······100

12.2 定形耐磨耐火材料施工······103

12.3 耐火陶瓷纤维施工······104

13 锅炉热力设备及管道保温······105

14 锅炉调整试验······106

14.1 一般规定······106

14.2 烘炉······106

14.3 锅炉化学清洗······106

14.5 锅炉吹管······106

14.6 蒸汽严密性试验及安全阀校验······107

15 质量验收······108

15.2 施工质量验收基本要求······108