GB51442-2022：钼冶炼厂工艺设计标准

GB51442-2022······1

1 总则······10

2 术语和缩略语······11

2.1 术语······11

2.2 缩略语······12

3 物料贮存及准备······13

3.1 原材料······13

3.2 辅助材料······13

3.3 燃料······16

4 焙烧钼精矿冶炼工艺······18

4.1 一般规定······18

4.2 多膛炉焙烧工艺······18

4.3 回转窑焙烧工艺······19

4.4 焙烧烟气处理······20

4.5 焙烧钼精矿块的生产······20

5 钼铁冶炼工艺······22

5.1 一般规定······22

5.2 配料······22

5.3 熔炼······22

5.4 钼铁锭清理、破碎和筛分······23

6 钼酸按湿法提取工艺······24

6.1 一般规定······24

6.2 四钼酸铵湿法工艺······24

6.3 七钼酸铵湿法工艺······25

6.4 二钼酸铵湿法工艺······25

7 纯三氧化钼制备工艺······28

7.1 一般规定······28

7.2 纯三氧化钼制备······28

8 钼粉制备工艺······29

8.1 一般规定······29

8.2 钼粉制备······29

9 总平面和车间配置······31

10 冶金计算······34

本标准用词说明······37

引用标准名录······38

附：条文说明······40

1 总则······43

2 术语和缩略语······44

3 物料贮存及准备······45

3.1 原材料······45

3.2 辅助材料······45

4 焙烧钼精矿冶炼工艺······48

4.1 一般规定······48

4.2 多膛炉焙烧工艺······49

4.4 焙烧烟气处理······49

5 钼铁冶炼工艺······50

5.1 一般规定······50

5.2 配料······50

5.3 熔炼······50

6 钼酸按湿法提取工艺······51

6.1 一般规定······51

6.2 四钼酸铁湿法工艺······51

9 总平面和车间配置······52

10 冶金计算······54