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首钢从1979年开始进行改革试点,出现了经济效益逐年大幅度增长的新局面,平均每年递增20%。在此期间,公司对炼铁系统的生产给予极大重视,投入大量人力、物力进行技术改造。1979年2号高炉易地大修,采用了无料钟布料、皮带上料,可编机集中控制、冷矿槽下过筛、顶燃热风炉和炉前除尘等新技术,同时对二烧结进行了机上冷
Since 1979, Shougang has carried out pilot reform and a new situation has emerged in which economic benefits have increased substantially year by year with an average annual increase of 20%. During this period, the company gave great importance to the production of ironmaking systems and invested a great deal of manpower and material resources in technological transformation. In 1979 No. 2 blast furnace overhaul, the use of a bell-free cloth, belt material, can be programmed to control the machine, under the cold sifter sieve, top burning stove and furnace dust removal and other new technologies, while the two sintering The machine cold