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大栗子菱铁矿是我厂主要铁矿石资源之一。生产实践证明,菱铁矿直接用于高炉冶炼炉况不顺,焦比高,合格率低,高炉操作不好掌握,使炼铁的各项经济技术指标变坏。烧结车间广大工人、干部和技术人员,在各级党组织的领导下,坚持试验,反复实践,不断总结经验,在小型试验的基础上,开展了工业试验。两年来,
Big chestnut siderite is one of our main iron ore resources. Production practice has proved that siderite directly used for blast furnace smelting furnace is not smooth, high coke ratio, low pass rate, blast furnace operation is not good grasp of the iron and steel of the economic and technical indicators worsened. Under the leadership of party organizations at all levels, the vast numbers of workers, cadres and technical personnel in the sintering workshop persist in experimenting and practicing repeatedly, summing up their experience and carrying out industrial experiments on the basis of small-scale experiments. Two years ago,