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众所周知,冲天炉要把金属炉料熔化成高温的铁水需要很多的热量。这些热量从那儿来呢?95％以上是来自焦炭燃烧产生的热量。因此,焦炭的好坏直接影响着冲天炉的熔炼质量。要获得高温优质铁水,就需要有高质量的“铸造焦炭”。“铸造焦炭”这个词大家可能感到生疏,这是因为铸造焦炭长期以来没有受到应有的重视,供应给铸造生产使用的焦炭质量一直较差,以至于不少人误认为高护炼铁用的冶金焦炭才是好焦炭,总想,如果冲天炉能够用上冶金焦炭该有多好。其实,优质的冶金焦炭,并不是好的铸造焦炭。
As we all know, cupola furnace metal melting to high temperature hot metal needs a lot of heat. Where do the heat come from? More than 95% comes from the heat generated by the burning of coke. Therefore, the quality of coke directly affects the quality of cupola melting. To get high-quality hot metal, you need high-quality “coke cast.” The word “casting coke” may feel rusty because the coke has not been properly valued for a long time and the quality of the coke supplied to foundry has been so poor that many mistakenly believe that Metallurgical coke is good coke, always think, if the cupola can be used on the metallurgical coke how good. In fact, high-quality metallurgical coke is not good for casting coke.