1983年9月在柳州冶炼厂的电炉投入了工业生产。由于电炉熔炼温度高，还原气氛强，烟气量小和烟尘率低，获得了满意的技术经济指标和很好的经济效益。
该厂熔炼烟尘的成分见表
normal align=center>表
normal align=center>烟尘类别 | normal align=center>烟 尘 成 分/ % | |||||||||
normal align=center>Sn | normal align=center>As | normal align=center>Sb | normal align=center>Pb | normal align=center>S | normal align=center>Zn | normal align=center>Al2O3 | normal align=center>SiO2 | normal align=center>CaO | normal align=center>FeO | |
normal align=center>反射炉烟尘 normal align=center>鼓风炉烟尘 normal align=center>精炼烟尘 normal align=center>反、鼓、烟化炉的烟道尘 | normal align=center>37± normal align=center>39~46 normal align=center>49.87 normal align=center>32.81 | normal align=center>2.91 normal align=center>3.53 normal align=center>5.71 normal align=center>0.49 | normal align=center>0.2 normal align=center>1.03 normal align=center>0.76 normal align=center>0.45 | normal align=center>1.18 normal align=center>7.05 normal align=center>0.75 normal align=center>0.23 | normal align=center>0.51 normal align=center>2.22 normal align=center>1.88 normal align=center>4.45 | normal align=center>14.18 normal align=center>3.70 normal align=center> normal align=center>16.67 | normal align=center> normal align=center> normal align=center>8.09 normal align=center>0.63 | normal align=center>23.6 normal align=center>7.08 normal align=center>1.80 normal align=center>6.5 | normal align=center>1.65 normal align=center>0.29 normal align=center>0.16 normal align=center>2.67 | normal align=center>3.09 normal align=center>5.02 normal align=center>4.12 normal align=center>5.25 |
normal align=center>
normal align=center>图
normal align=center> 表
normal align=center>
normal align=center>产物 normal align=center>名称 | normal align=center>Sn | normal align=center>As | normal align=center>Sb | normal align=center>Pb | normal align=center>S | normal align=center>Zn | normal align=center>Cu | normal align=center>Bi | normal align=center>Fe | normal align=center>FeO | normal align=center>CaO | normal align=center>SiO2 | normal align=center>Al2O3 |
normal align=center>精 锡 normal align=center>富 渣 normal align=center>烟 尘 | normal align=center>91.34 normal align=center>7.40 normal align=center>22.57 | normal align=center>1.67 normal align=center>0.18 normal align=center>4.19 | normal align=center>1.17 normal align=center>0.17 normal align=center>0.21 | normal align=center>2.79 normal align=center>0.23 normal align=center>1.22 | normal align=center> normal align=center> normal align=center>1.40 | normal align=center>0.16 normal align=center>4.09 normal align=center>37.04 | normal align=center> | normal align=center> | normal align=center>1.99 normal align=center> normal align=center> | normal align=center> normal align=center>9.99 normal align=center>1.07 | normal align=center> normal align=center>9.31 normal align=center>0.24 | normal align=center> normal align=center>34.60 normal align=center>1.93 | normal align=center> normal align=center>8.28 normal align=center> |
normal align=center>精 锡 normal align=center>富 渣 normal align=center>烟 尘 | normal align=center>91.85 normal align=center>3.72 normal align=center>29.05 | normal align=center>1.05 normal align=center>微 normal align=center>2.46 | normal align=center>1.88 normal align=center>0.01 normal align=center>0.18 | normal align=center>3.80 normal align=center>0.50 normal align=center>0.66 | normal align=center>0.135 normal align=center> normal align=center>2.09 | normal align=center>0.17 normal align=center> normal align=center>34.74 | normal align=center>0.314 normal align=center> normal align=center> | normal align=center>0.045 normal align=center> normal align=center> | normal align=center>0.55 normal align=center> normal align=center> | normal align=center> normal align=center>9.94 normal align=center>0.58 | normal align=center> normal align=center>14.78 normal align=center>0.33 | normal align=center> normal align=center>43.5 normal align=center>2.50 | normal align=center> normal align=center>12.92 normal align=center> |
normal align=center>精 锡 | normal align=center>甲93.70 normal align=center>乙89.72 | normal align=center>4.17 | normal align=center>1.21 | normal align=center>2.00 | normal align=center>0.29 | normal align=center> | normal align=center>0.42 | normal align=center>0.072 | normal align=center>1.01 | normal align=center> | normal align=center> | normal align=center> | normal align=center> |
normal align=center>富 渣 normal align=center>烟 尘 | normal align=center>8.17 normal align=center>25.24 | normal align=center>0.05 normal align=center>4.09 | normal align=center>微 normal align=center>0.36 | normal align=center>0.5 normal align=center>0.79 | normal align=center> normal align=center>2.23 | normal align=center> normal align=center>37.38 | normal align=center> normal align=center> | normal align=center> normal align=center> | normal align=center>11.63 normal align=center>1.08 | normal align=center>12.04 normal align=center>0.51 | normal align=center>32.00 normal align=center>1.38 | normal align=center>10.98 normal align=center> | |
normal align=center>精 锡 | normal align=center>甲92.53 normal align=center>乙77.20 | normal align=center>1.16 | normal align=center>1.30 | normal align=center>2.42 | normal align=center>0.09 | normal align=center> | normal align=center>0.175 | normal align=center>0.03 | normal align=center>0.90 | normal align=center> | normal align=center> | normal align=center> | normal align=center> |
normal align=center>富 渣 normal align=center>烟 尘 | normal align=center>4.00 normal align=center>26.11 | normal align=center>0.024 normal align=center>4.13 | normal align=center>0.012 normal align=center>0.31 | normal align=center>0.05 normal align=center>1.43 | normal align=center> normal align=center>0.75 | normal align=center> normal align=center>33.33 | normal align=center> normal align=center> | normal align=center> normal align=center> | normal align=center> normal align=center> | normal align=center>9.26 normal align=center>0.57 | normal align=center>14.56 normal align=center>0.31 | normal align=center>25.00 normal align=center>1.30 | normal align=center>13.00 normal align=center> |
normal align=left> 技术数据如下：
电炉：
炉床面积：
配电制度：熔化造渣期电压120V，电流1900～
炉料：
配料：还原煤率10％～12％，硅酸度1.2～2.5，纯碱3％
团粒：要求水分低于5％；粒级小于
进料：分批进料，低料坡熔炼。每2～3h进一批料
熔炼：炉料完全熔化造渣后即可放锡、放渣。每炉熔炼时间不超过24h
指标：
锡直收率大于78％；吨料电耗900～1150kW·h；吨料电极消耗小于
锡与锌的分配率见表
电炉熔炼产出的二次烟尘中，锌富集至30％以上（见表
normal align=center>表
normal align=center>项目 | normal align=center>粗锡 | normal align=center>炉渣 | normal align=center>烟尘 | normal align=center>损失 |
normal align=center>Sn/ % normal align=center>Zn/ % | normal align=center>82.23 normal align=center>0.75 | normal align=center>1.31 normal align=center>2.41 | normal align=center>15.83 normal align=center>90.59 | normal align=center>0.63 normal align=center>6.25 |
normal align=center>表
normal align=center>熔炼炉类型 | normal align=center>直收率/ % | normal align=center>粗锡品位/ % | normal align=center>乙锡率/ % | normal align=center>渣率/ % | normal align=center>渣含锡/ % | normal align=center>二次烟尘的锡、锌含量 | normal align=center>炉子寿命/月 | normal align=center>炉床能力/t.d-1.m-2 | normal align=center>吨粗锡的原材料消耗/元 | |
normal align=center>Sn/ % | normal align=center>Zn/ % | |||||||||
normal align=center>反射炉熔炼 | normal align=center>54.4 | normal align=center>78.44 | normal align=center>100 | normal align=center>44.85 | normal align=center>11.20 | normal align=center>34 | normal align=center>17.48 | normal align=center>三个月小修 | normal align=center>0.88 | normal align=center>950 |
normal align=center>电炉熔炼 | normal align=center>82.2 | normal align=center>90.29 | normal align=center>23.9 | normal align=center>26.89 | normal align=center>3.45 | normal align=center>26 | normal align=center>35.36 | normal align=center>12个月还未修 | normal align=center>3 | normal align=center>400 |
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