This article analyzed the reason why furnace surface heat loss was increased in sealed calcium carbide furnace. In view of this situation, we modified process control datas and updated equipment.

分析了密闭电石炉炉面热损增加的原因，针对分析情况对原有工艺控制参数及设备进行了变更和改造。

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Importance of electrode shell making and jointing to sealed calcium carbide furnace is introduced.

叙述了电极壳的制作和对接对密闭型电石炉正常运行的重要性。

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It introduces the test of smelting SiCaBa alloy in calcium carbide furnace, and focuses on the effects of some burden ratios and charging styles to the alloy's composition.

介绍了在电石炉上改炼硅钡钙的试验情况，着重阐述了几种配比及加料方式对合金成分的影响。

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