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提高煤比是高炉节焦降耗的重要措施,通过提高精料水平、制定合理的上下部调剂制度,4#高炉喷煤比达到120kg/tFe,焦比降到387kg/tFe,利用系数达到2.3t/m3·d。
Improving coal ratio is an important measure to reduce the coke consumption of blast furnace section. By raising the level of fine material, a reasonable upper and lower regulation system was established. Pulverized coal ratio of 4 # blast furnace reached 120kg / tFe, coke ratio decreased to 387kg / tFe, and the utilization coefficient reached 2.3 t / m3 · d.