GB51270-2017······1

1 總則······11

2 術語······12

3 原材料、輔助材料······16

3.1 原材料······16

3.2 輔助材料······16

4 皮江法煉鎂工藝······18

4.1 白云石煅燒······18

4.2 原料制備······19

4.3 還原······20

5 鹵水在氯化氫氣氛下脫水電解煉鎂工藝······22

5.1 鹵水凈化······22

5.2 鹵水蒸發及造粒······22

5.3 濕氯化鎂顆粒熱風一次脫水······23

5.4 一次脫水氯化鎂顆粒在氯化氫氣氛下脫水······23

5.5 無水氯化鎂顆粒儲存及輸送······24

5.6 鎂電解、氯氣輸送······25

5.7 陽極制備······28

6 一般工序設計······29

6.1 車間設計的一般規定······29

6.2 計量······30

6.3 原料貯存和堆場······30

6.4 精煉及鑄錠······31

6.5 鎂錠成品庫······32

6.6 廢氣凈化······33

6.7 廢渣處理及廢渣堆存······33

6.8 廢水處理及排放······34

本標準用詞說明······35

引用標準名錄······36

附: 條文說明······37

1 總則······41

2 術語······42

3 原材料、輔助材料······43

3.1 原材料······43

3.2 輔助材料······43

4 皮江法煉鎂工藝······44

4.1 白云石煅燒······44

4.2 原料制備······45

4.3 還原······47

5 鹵水在氯化氫氣氛下脫水電解煉鎂工藝······49

5.1 鹵水凈化······49

5.2 鹵水蒸發及造粒······49

5.3 濕氯化鎂顆粒熱風一次脫水······50

5.4 一次脫水氯化鎂顆粒在氧化氫氣氛下脫水······50

5.5 無水氯化鎂顆粒儲存及輸送······51

5.6 鎂電解、氯氣輸送······52

5.7 陽極制備······54

6 一般工序設計······55

6.1 車間設計的一般規定······55

6.2 計量······56

6.3 原料貯存和堆場······56

6.4 精煉及鑄錠······57

6.5 鎂錠成品庫······59

6.6 廢氣凈化······59

6.7 廢渣處理及廢渣堆存······61

6.8 廢水處理及排放······61