Pansteel Blast Furnace used simply electric taphole drill for a long time, which cannot apply to higher smelting intensity and the new clay gun.

攀钢高炉炉前开铁口设备一直使用简易的电动开铁口机，已不适应高炉高强度冶炼和铁口新型炮泥的要求。

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At present, tap hole drills used in blast furnace are classified as pneumatic, electric and hydraulic.

目前，高炉开铁口机根据动力源可以分为气动、电动、液压三种类型。

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Therefore, the current domestic enterprises mainly produce ferronickel with nickel oxide ore by electric furnace smelting or blast furnace smelting.

因此，目前国内企业对进口氧化镍矿的处理主要是采用电炉熔炼或高炉冶炼生产镍铁。

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