铁合金电热炉电极和电压能起到什么作用?

2025-04-06 21:38:29
推荐回答(1个)
回答(1):

自培电极:自焙电极由薄钢板电极壳和电极糊组成,在运行中电极糊利用电流通过时产生的热量和炉热的传导辐射自行焙烧。随着电极的消耗,电极壳要相应逐节焊接,并向壳内充填电极糊。
矿热炉又称电弧电炉或电阻电炉。它主要用于还原冶炼矿石,碳质还原剂及溶剂等原料。主要生产硅铁,锰铁,铬铁、钨铁、硅锰合金等铁合金,是冶金工业中重要工业原料及电石等化工原料。其工作特点是采用碳质或镁质耐火材料作炉衬,使用自培电极。
电极插入炉料进行埋弧操作,利用电弧的能量及电流通过炉料的,因炉料的电阻而产生能量来熔炼金属,陆续加料,间歇式出铁渣,连续作用。
 电极系统广泛采用连续自焙电极,最大的直径可达2000毫米,有的还做成中空式。连续自焙电极由薄钢板电极壳和电极糊组成,在运行中电极糊利用电流通过时产生的热量和炉热的传导辐射自行焙烧。随着电极的消耗,电极壳要相应逐节焊接,并向壳内充填电极糊。电极把持器由接触颊板(导电铜瓦)、铜管和把持环等构件组成,它的作用是将电流输向电极,并将电极夹持在一定的高度上,还可以调节电极糊的烧结状态。电极升降和压放装置吊挂着整根电极,用以调整电极插入深度。

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