GB51442-2022······1

1 總則······10

2 術語和縮略語······11

2.1 術語······11

2.2 縮略語······12

3 物料貯存及準備······13

3.1 原材料······13

3.2 輔助材料······13

3.3 燃料······16

4 焙燒鉬精礦冶煉工藝······18

4.1 一般規(guī)定······18

4.2 多膛爐焙燒工藝······18

4.3 回轉窯焙燒工藝······19

4.4 焙燒煙氣處理······20

4.5 焙燒鉬精礦塊的生產(chǎn)······20

5 鉬鐵冶煉工藝······22

5.1 一般規(guī)定······22

5.2 配料······22

5.3 熔煉······22

5.4 鉬鐵錠清理、破碎和篩分······23

6 鉬酸按濕法提取工藝······24

6.1 一般規(guī)定······24

6.2 四鉬酸銨濕法工藝······24

6.3 七鉬酸銨濕法工藝······25

6.4 二鉬酸銨濕法工藝······25

7 純三氧化鉬制備工藝······28

7.1 一般規(guī)定······28

7.2 純三氧化鉬制備······28

8 鉬粉制備工藝······29

8.1 一般規(guī)定······29

8.2 鉬粉制備······29

9 總平面和車間配置······31

10 冶金計算······34

本標準用詞說明······37

引用標準名錄······38

附：條文說明······40

1 總則······43

2 術語和縮略語······44

3 物料貯存及準備······45

3.1 原材料······45

3.2 輔助材料······45

4 焙燒鉬精礦冶煉工藝······48

4.1 一般規(guī)定······48

4.2 多膛爐焙燒工藝······49

4.4 焙燒煙氣處理······49

5 鉬鐵冶煉工藝······50

5.1 一般規(guī)定······50

5.2 配料······50

5.3 熔煉······50

6 鉬酸按濕法提取工藝······51

6.1 一般規(guī)定······51

6.2 四鉬酸鐵濕法工藝······51

9 總平面和車間配置······52

10 冶金計算······54