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西林钢铁公司炼铁总厂4号高炉(580m3)从秋季检修后,炉况便处于不稳定状态,每天都有5~6次的不连续崩料,表现为上部崩料的征兆。高炉崩料的原因:1)焦炭质量变差,优质主焦煤由于资源原因配用量减少,焦炭强度指标变差,M25降低2%-4%;
After the fall overhaul, blast furnace No.4 (580m3) of Xilin Iron and Steel Company’s ironmaking plant was in an unstable state with 5 to 6 times of discontinuous collapse every day, showing signs of the upper collapse. The causes of blast furnace collapse: 1) The quality of coke deteriorates, the quality of main coking coal decreases due to resource reasons, the coke strength index deteriorates, and M25 decreases by 2% -4%.