According to material and local heat balance in the blast furnace, refering to the result of oxygen enriched blast and coal injection into blast furnace and use of metallized burden, the influence of burden metallization degree on oxygen enriched coal injection rate、 coke rate and productivity is calculated.
根据高炉物料平衡和区域热平衡理论 ,参照高炉富氧喷煤和使用金属化炉料的冶炼结果 ,计算了炉料金属化率对富氧喷煤率、焦比和产量的影响。
The relationship between casting yield and effective rate of metal charge, usage ratio of molten iron, technology yield and pass rate of castings were surveyed.
阐述了铸件成品率与金属炉料有效率、铁液利用率、工艺出品率、铸件合格率四个比率的关系,指出了铸件成品率与铸造生产的全过程有关。
