焦炭供应持续不足和价格的上涨,促使铸造工作者非常密切地注视铸铁的生产方法。一典型的铸造冲天炉炉料为1吨铁料(包括生铁、废钢和铸铁废料),0.16吨焦炭和0.04吨熔剂。为使炉料熔化和加热到浇注温度,需要的焦炭为炉料的16%。然而,从理论上计 Insufficient coke supply and rising prices have prompted foundry workers to focus very closely on the production of cast iron. A typical cast cupola charge is 1 tonne of ferrous materials (including pig iron, scrap and cast iron scrap), 0.16 tons of coke and 0.04 tons of flux. In order to melt the charge and heat it to the pouring temperature, the required coke is 16% of the charge. However, theoretically