GB51270-2017：镁冶炼厂工艺设计标准

GB51270-2017······1

1 总则······11

2 术语······12

3 原材料、辅助材料······16

3.1 原材料······16

3.2 辅助材料······16

4 皮江法炼镁工艺······18

4.1 白云石煅烧······18

4.2 原料制备······19

4.3 还原······20

5 卤水在氯化氢气氛下脱水电解炼镁工艺······22

5.1 卤水净化······22

5.2 卤水蒸发及造粒······22

5.3 湿氯化镁颗粒热风一次脱水······23

5.4 一次脱水氯化镁颗粒在氯化氢气氛下脱水······23

5.5 无水氯化镁颗粒储存及输送······24

5.6 镁电解、氯气输送······25

5.7 阳极制备······28

6 一般工序设计······29

6.1 车间设计的一般规定······29

6.2 计量······30

6.3 原料贮存和堆场······30

6.4 精炼及铸锭······31

6.5 镁锭成品库······32

6.6 废气净化······33

6.7 废渣处理及废渣堆存······33

6.8 废水处理及排放······34

本标准用词说明······35

引用标准名录······36

附: 条文说明······37

1 总则······41

2 术语······42

3 原材料、辅助材料······43

3.1 原材料······43

3.2 辅助材料······43

4 皮江法炼镁工艺······44

4.1 白云石煅烧······44

4.2 原料制备······45

4.3 还原······47

5 卤水在氯化氢气氛下脱水电解炼镁工艺······49

5.1 卤水净化······49

5.2 卤水蒸发及造粒······49

5.3 湿氯化镁颗粒热风一次脱水······50

5.4 一次脱水氯化镁颗粒在氧化氢气氛下脱水······50

5.5 无水氯化镁颗粒储存及输送······51

5.6 镁电解、氯气输送······52

5.7 阳极制备······54

6 一般工序设计······55

6.1 车间设计的一般规定······55

6.2 计量······56

6.3 原料贮存和堆场······56

6.4 精炼及铸锭······57

6.5 镁锭成品库······59

6.6 废气净化······59

6.7 废渣处理及废渣堆存······61

6.8 废水处理及排放······61