GB50403-2017······1

1 總則······18

2 術語······19

3 基本規定······21

4 設備基礎、地腳螺栓和墊板······27

4.1 一般規定······27

4.2 設備基礎······27

4.3 地腳螺栓······28

4.4 墊板······28

5 設備和材料······30

5.1 一般規定······30

5.2 設備和材料驗收······30

6 混鐵爐······31

6.1 底座和滾道······31

6.2 爐殼和箍圈······32

6.3 傾動裝置······33

6.4 揭蓋卷揚機······34

6.5 試運轉······35

7 鐵水預處理設備······36

7.1 脫硫(磷)劑輸送設備······36

7.2 攪拌脫硫設備······37

7.3 噴槍脫磷設備······38

7.4 鐵水罐車及軌道······40

7.5 扒渣機及軌道······41

7.6 試運轉······42

8 轉爐及氬氧脫碳精煉爐(AOD)······43

8.1 耳軸軸承座······43

8.2 托圈······44

8.3 爐體······45

8.4 傾動裝置······47

8.5 活動擋板和固定擋板、移動擋渣裝置······49

8.6 爐前爐后擋火門、主控室防護裝置······50

8.7 鋼包加蓋裝置、修爐塔······51

8.8 AOD爐供氣裝置······51

8.9 試運轉······52

9 原料系統······53

9.1 稱量漏斗、匯集漏斗和回轉漏斗······53

9.2 鐵合金烘烤裝置······53

9.3 試運轉······54

10 氧槍和副槍······55

10.1 氧槍、副槍······55

10.2 氧槍、副槍的升降裝置、橫移裝置、回轉裝置······55

10.3 氮封裝置······58

10.4 副槍探頭裝頭機和拔頭機、探頭溜槽······59

10.5 試運轉······59

11 煙罩設備和余熱鍋爐······61

11.1 一般規定······61

11.2 裙罩······61

11.3 移動煙罩······62

11.4 煙道······63

11.5 鍋筒······64

11.6 蓄熱器······65

11.7 除氧水箱······66

11.8 試運轉······67

12 煤氣凈化設備······68

12.1 一般規定······68

12.2 濕式煤氣凈化設備······68

12.3 干式煤氣凈化設備······69

13 渣處理設備······70

13.1 熱燜渣處理設備······70

13.2 滾筒渣處理設備······71

13.3 試運轉······73

14 電弧爐······74

14.1 軌座······74

14.2 搖架······75

14.3 傾動裝置、鎖定裝置······77

14.4 爐體······77

14.5 爐蓋、電極旋轉及爐蓋升降機構······79

14.6 電極升降及電極夾持機構······80

14.7 氧槍······81

14.8 上料裝置、水冷煙道、鐵水包傾翻機構······81

14.9 試運轉······83

15 鋼包精煉爐(LF)······84

15.1 鋼包車及軌道······84

15.2 爐蓋及爐蓋升降機構······84

15.3 電極升降及夾持機構······85

15.4 測溫取樣裝置、氬氣攪拌裝置······86

15.5 試運轉······87

16 鋼包真空精煉爐(VD)及真空吹氧脫碳爐(VOD)······89

16.1 真空罐······89

16.2 真空罐蓋車及軌道······90

16.3 真空罐蓋及罐蓋升降機構······90

16.4 測溫取樣裝置······91

16.5 真空裝置······91

16.6 VOD爐氧槍······92

16.7 試運轉······92

17 循環真空脫氣精煉爐(RH)及循環真空頂吹脫氣精煉爐(RH-TB)······94

17.1 鋼包車、軌道及鋼包頂升裝置······94

17.2 真空脫氣室、脫氣室車及軌道······95

17.3 真空裝置······96

17.4 真空脫氣室預熱裝置······96

17.5 RH-TB爐噴槍······97

17.6 試運轉······97

18 密閉吹氬精煉爐(CAS)及密閉吹氬吹氧精煉爐(CAS-OB)······99

18.1 浸漬罩升降裝置、合金料下料裝置······99

18.2 CAS-OB爐氧槍······100

18.3 測溫取樣裝置、喂絲機······100

18.4 事故吹氬裝置······100

18.5 試運轉······101

19 連續鑄鋼設備······102

19.1 鋼包回轉臺······102

19.2 中間罐車及軌道······103

19.3 烘烤器······103

19.4 結晶器和振動裝置······104

19.5 二次冷卻裝置······105

19.6 扇形段更換裝置······107

19.7 拉矯機······109

19.8 引錠桿收送及脫引錠裝置······111

19.9 火焰切割機······114

19.10 擺動剪切機及切頭收集裝置······115

19.11 毛刺清理機及拉坯機······116

19.12 試運轉······118

20 出坯和精整設備······119

20.1 輸送輥道······119

20.2 轉盤······119

20.3 推鋼機、拉鋼機、翻鋼機······120

20.4 火焰清理機······121

20.5 升降擋板、打印機······123

20.6 橫移小車······124

20.7 對中裝置······124

20.8 二次切割裝置······125

20.9 試運轉······126

21 安全和環保······127

21.1 安全······127

21.2 環保······128

附錄A 煉鋼機械設備工程安裝分項工程質量驗收記錄······129

附錄B 煉鋼機械設備工程安裝分部工程質量驗收記錄······130

附錄C 煉鋼機械設備工程安裝單位工程質量驗收記錄······131

附錄D 煉鋼機械設備無負荷試運轉記錄······134

附錄E 焊縫外觀質量標準······136

附錄F 焊接接頭焊后熱處理······137

本規范用詞說明······138

引用標準名錄······139

附:條文說明······140

1 總則······144

2 術語······145

3 基本規定······146

4 設備基礎、地腳螺栓和墊板······150

4.1 一般規定······150

4.2 設備基礎······150

4.3 地腳螺栓······150

5 設備和材料······151

5.1 一般規定······151

5.2 設備和材料驗收······151

6 混鐵爐······152

6.1 底座和滾道······152

6.2 爐殼和箍圈······152

7 鐵水預處理設備······153

7.2 攪拌脫硫設備······153

7.5 扒渣機及軌道······153

8 轉爐及氬氧脫碳精煉爐(AOD)······154

8.2 托圈······154

8.3 爐體······154

11 煙罩設備和余熱鍋爐······156

11.1 一般規定······156

11.4 煙道······156

11.5 鍋筒······156

12 煤氣凈化設備······157

12.2 濕式煤氣凈化設備······157

14 電弧爐······157

14.1 軌座······158

14.2 搖架······158

14.3 傾動裝置、鎖定裝置······159

14.4 爐體······159

14.5 爐蓋、電極旋轉及爐蓋升降機構······159

15 鋼包精煉爐(LF)······161

15.1 鋼包車及軌道······161

16 鋼包真空精煉爐(VD)及真空吹氧脫碳爐(VOD)······162

16.1 真空罐······162

16.5 真空裝置······162

19 連續鑄鋼設備······163

19.1 鋼包回轉臺······163

19.2 中間罐車及軌道······163

19.4 結晶器和振動裝置······163

19.5 二次冷卻裝置······164

19.6 扇形段更換裝置······164

19.7 拉矯機······164

19.8 引錠桿收送及脫引錠裝置······165

19.11 毛刺清理機及拉坯機······165

20 出坯和精整設備······166

20.1 輸送輥道······166

20.7 對中裝置······166