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通过唐钢一炼铁厂高炉加粒煤的实验室准备及工业试验,确定了入炉粒煤品种及高炉加粒煤方法,得出了加入粒煤的置换比。在加粒煤工艺推广实施后,从高炉操作调剂上进一步完善,使之成为中、小高炉以煤代焦降低成本的有效途径。
Through the laboratory preparation and industrial tests of blast furnace plus coal in a steelmaking plant of Tangshan Iron and Steel Co., Ltd., the method of adding coal into blast furnace and adding coal into blast furnace was determined, and the replacement ratio of coal into coal was obtained. After the introduction of coal granulation technology to promote implementation from the adjustment of blast furnace operation to further improve, making it a medium and small blast furnace coal coke to reduce costs an effective way.