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对日钢高炉长期使用低品质矿条件下的大喷煤操作实践进行了总结。通过采取加强原燃料管理、合理配矿、优化高炉操作等措施,取得了煤比187kg/t、燃料比525kg/t较好的技术经济指标。
The practice of large coal injection operation under the conditions of long-term use of low-quality mines in Japan’s BF was summarized. By adopting such measures as strengthening the management of raw fuel, rationing the ore and optimizing blast furnace operation, the technical and economic indexes with a good coal ratio of 187kg / t and a fuel ratio of 525kg / t have been obtained.