本標準共分8章和2個附錄,主要技術內容包括:總則、基本術語、氧化鋁生產、鋁用炭素生產、鋁用氟化鹽生產、鋁冶煉、鎂冶煉、鈦冶煉等。

GBT51021-2014······1

1 總則······13

2 基本術語······14

3 氧化鋁生產······18

3.1 一般術語······18

3.2 原料制備······22

3.3 鋁土礦選礦······23

3.4 料漿磨制······25

3.5 壓煮溶出······26

3.6 熟料燒成與熟料破碎······28

3.7 熟料溶出······31

3.8 赤泥分離、洗滌與控制過濾······32

3.9 燒結法粗液脫硅······34

3.10 鋁酸鈉溶液分解······35

3.11 氫氧化鋁分離、洗滌與貯存······37

3.12 母液蒸發······37

3.13 氫氧化鋁焙燒及產品包裝與堆存······39

4 鋁用炭素生產······41

4.1 一般術語······41

4.2 原料準備······43

4.3 煅燒······43

4.4 生制品制造······44

4.5 焙燒······46

4.6 浸漬······48

4.7 石墨化······48

4.8 機械加工······49

5 鋁用氟化鹽生產······50

5.1 一般術語······50

5.2 制酸······50

5.3 螢石······51

5.4 冰晶石制備······51

5.5 氟化鋁制備······53

9 鋁冶煉······55

6.1 一般術語······55

6.2 電解槽······57

6.3 電解生產······59

6.4 鑄造······65

6.5 氧化鋁貯運······66

6.6 電解煙氣凈化······67

6.7 陽極組裝及殘極處理······68

7 鎂冶煉······71

7.1 一般術語······71

7.2 煅燒、消化與制球······72

7.3 氯化······73

7.4 電解······74

7.5 精煉與鑄造······78

7.6 表面處理······79

7.7 氯氣液化及貯存······80

7.8 鹵水凈化、蒸發與造粒······81

7.9 光鹵石制備······81

7.10 脫水······82

7.11 壓球······83

7.12 還原······84

8 鈦冶煉······86

8.1 一般術語······86

8.2 高鈦渣制備······87

8.3 人造金紅石制備······89

8.4 氯化······91

8.5 精制······95

8.6 還原蒸餾······97

8.7 海綿鈦破碎······101

附錄A 英文索引······103

附錄B 中文索引······137

引用標準名錄······171

附：條文說明······173

2 基本術語······176

3 氧化鋁生產······178

3.1 一般術語······178

3.3 鋁土礦選礦······180

3.4 料漿磨制······182

3.5 壓煮溶出······179

3.6 熟料燒成與熟料破碎······184

3.7 熟料溶出······184

3.8 赤泥分離、洗滌與控制過濾······185

3.9 燒結法粗液脫硅······185

3.10 鋁酸鈉溶液分解······186

3.12 母液蒸發······186

3.13 氫氧化鋁焙燒及產品包裝與堆存······187

4 鋁用炭素生產······188

4.1 一般術語······188

4.3 煅燒······188

4.4 生制品制造······188

4.5 焙燒······189

5 鋁用氟化鹽生產······190

5.2 制酸······190

5.4 冰晶石制備······190

6 鋁冶煉······191

6.1 一般術語······191

6.2 電解槽······192

6.3 電解生產······193

6.4 鑄造······197

6.5 氧化鋁貯運······197

6.6 電解煙氣凈化······198

6.7 陽極組裝及殘極處理······198

7 鎂冶煉······199

7.1 一般術語······199

7.2 煅燒、消化與制球······199

7.3 氯化······200

7.4 電解······201

7.5 精煉與鑄造······202

7.6 表面處理······202

7.8 鹵水凈化、蒸發與造粒······202

7.9 光鹵石制備······203

7.10 脫水······203

7.11 壓球······201

7.12 還原······204

8 鈦冶煉······205

8.1 一般術語······205

8.2 高鈦渣制備······206

8.3 人造金紅石制備······207

8.4 氯化······209

8.5 精制······212

8.6 還原蒸餾······212

8.7 海綿鈦破碎······214