Under the increasingly tight environment of blast furnace injection anthracite resource procurement market,the coal injection system of Yusteel has optimized and adjusted the raw coal ratio structure,adjusted the bituminous coal ratio from 30%to 38%,and adjusted the volatile content of pulverized coal from 14%to 18%.In order to ensure the safe pro-duction of the pulverized system and the injection system,the coal injection system has carried out air leakage control on the pulverized operating equipment.The key process control parameters of each system are adjusted,the accuracy rate of raw coal ratio is strictly controlled,the bituminous coal ratio is stabilized,and the production practice of high ratio bitumi-nous coal injection is carried out.
blast furnacepulverizing systeminjection systemhigh ratio bituminous coalvolatiles of pulverized coal
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