GB/T50530-2022······1

1 總則······13

2 術語······14

3 基本規定······19

4 原料、輔料與燃料······27

4.1 原料······27

4.2 輔料······27

4.3 燃料······27

5 原料和燃料貯運與鋁土礦破碎······29

5.1 卸車設施······29

5.2 原料和燃料堆場······30

5.3 鋁土礦破碎······32

6 石灰燒制與石灰乳制備······33

6.1 石灰燒制······33

6.2 石灰乳制備······34

7 料漿制備······35

7.1 料漿磨制······35

7.2 浮選精礦調配······36

7.3 燒結法生料漿制備······36

8 預脫硅與溶出······39

8.1 預脫硅······39

8.2 溶出喂料泵······40

8.3 溶出······40

9 熟料燒成與破碎······43

9.1 煤粉制備······43

9.2 熟料燒成······44

9.3 熟料破碎······46

10 熟料溶出······47

11 赤泥分離洗滌與壓濾······48

11.1 赤泥分離與洗滌······48

11.2 絮凝劑制備······48

11.3 赤泥外排······49

11.4 赤泥壓濾······49

12 控制過濾與精液降溫······51

12.1 控制過濾······51

12.2 精液降溫······51

13 燒結法粗液脫硅······53

13.1 粗液脫硅······53

13.2 硅渣分離······55

14 鋁酸鈉溶液分解······56

14.1 種子分解······56

14.2 種子過濾······57

14.3 碳酸化分解······58

15 氫氧化鋁分離洗滌與貯存······59

15.1 氫氧化鋁分離與洗滌······59

15.2 氫氧化鋁貯倉······59

16 母液蒸發與堿液調配······60

16.1 母液蒸發······60

16.2 結晶堿分離······62

16.3 結晶堿苛化······62

16.4 液堿卸車貯運與固堿化堿······63

16.5 堿液調配······64

17 清洗設施······65

17.1 堿洗站······65

17.2 熱水站······65

17.3 酸洗站······66

18 氫氧化鋁焙燒及產品包裝與堆存······67

18.1 氫氧化鋁焙燒······67

18.2 氧化鋁貯存······68

18.3 產品包裝與堆存······68

本標準用詞說明······70

引用標準名錄······71

附：條文說明······74

1 總則······79

2 術語······80

3 基本規定······83

4 原料、輔料與燃料······93

4.1 原料······93

4.2 輔料······93

4.3 燃料······93

5 原料和燃料貯運與鋁土礦破碎······95

5.1 卸車設施······95

5.2 原料和燃料堆場······96

5.3 鋁土礦破碎······97

6 石灰燒制與石灰乳制備······99

6.1 石灰燒制······99

6.2 石灰乳制備······100

7 料漿制備······102

7.1 料漿磨制······102

7.2 浮選精礦調配······103

7.3 燒結法生料漿制備······103

8 預脫硅與溶出······107

8.1 預脫硅······107

8.2 溶出喂料泵······108

8.3 溶出······109

9 熟料燒成與破碎······112

9.1 煤粉制備······112

9.2 熟料燒成······114

9.3 熟料破碎······116

10 熟料溶出······118

11 赤泥分離洗滌與壓濾······120

11.1 赤泥分離與洗滌······120

11.2 絮凝劑制備······121

11.3 赤泥外排······122

11.4 赤泥壓濾······122

12 控制過濾與精液降溫······124

12.1 控制過濾······124

12.2 精液降溫······125

13 燒結法粗液脫硅······127

13.1 粗液脫硅······127

13.2 硅渣分離······128

14 鋁酸鈉溶液分解······129

14.1 種子分解······129

14.2 種子過濾······131

14.3 碳酸化分解······132

15 氫氧化鋁分離洗滌與貯存······133

15.1 氫氧化鋁分離與洗滌······133

15.2 氫氧化鋁貯倉······133

16 母液蒸發與堿液調配······134

16.1 母液蒸發······134

16.2 結晶堿分離······136

16.3 結晶堿苛化······137

16.4 液堿卸車貯運及固堿化堿······138

16.5 堿液調配······139

17 清洗設施······140

17.1 堿洗站······140

17.2 熱水站······140

17.3 酸洗站······141

18 氫氧化鋁焙燒及產品包裝與堆存······143

18.1 氫氧化鋁焙燒······143

18.2 氧化鋁貯存······144

18.3 產品包裝與堆存······144