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1986年,我国21个转炉(平炉)——化铁炉双联炼钢厂(车间),产钢779万吨,共耗焦炭122万吨,折合平均单耗焦炭157kg/t钢;化铁炉熔损共约22万吨,折合吨钢平均铁耗约2.8%。1986年国内炼钢化铁炉熔铁生产的技术经济指标情况,见表1。这种双联炼钢法是落后的,应积极采取改进措施,包括:有条件的宜扩大高炉产量或铁厂与钢厂搞横向联合,要从大局出发,
In 1986, 21 converter furnaces (open hearth furnaces) - iron furnace double steelworks (workshop) produced 7.79 million tons of steel, a total of 1.22 million tons of coke, equivalent to an average of 157kg / t of coke, and an iron furnace Melt damage a total of about 220,000 tons, equivalent to about 2.8% of the average iron consumption per ton of steel. The technical and economic indexes of the domestic iron-making molten iron production in 1986 are shown in Table 1. This double steelmaking method is backward, should take active measures to improve, including: conditional should expand the output of the blast furnace or steel mills and steel horizontal joint, from the overall situation,