It compared low frequency orefurnace with operating frequency orefurnace.
并对低频矿热炉与工频矿热炉进行了对比。
2
The main technological processes are: crushing raw materials, proportioning, smelting with orefurnace, refining, casting ingot, and trimming.
主要工艺过程为：原料破碎、配料、矿热炉熔炼、精炼、铸锭、精整。
3
It is suitable for production transformation of the orefurnace producing industrial silicon and silicon iron because of no need for technical renovation.