Through the optimization of oreproportioning and adopting relative technical measures, the quality of BF burdens was somewhat improved, under the condition of raw materials quality was not improved.
通过优化配矿和采取相应的技术措施，在进厂原燃料质量没有改善的情况下，入炉原料质量有所提高。
2
The main technological processes are: crushing raw materials, proportioning, smelting with ore furnace, refining, casting ingot, and trimming.