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Some Aspects of the Future of Blast Furnace Ironmaking The Process: Focusing on Low Cost Hot Metal

机译:高炉未来熨烫过程的一些方面:专注于低成本热金属

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The present paper is directed towards the potential benefits of application of hot blast oxygen enrichment to a level beyond the minimum requirements of high coal injection rates. High oxygen enrichment rate lowers top gas temperature (preventing un-burnt char in the top gas), facilitates simultaneous high coal injection rates/low coke rates and high productivity and leads to higher calorific value of the top gas. This results in lower hot metals costs if the calorific value of the top gas can be efficiently utilized. The blast furnace will develop from a one product system producing only hot metal to a dual product system, producing hot metal and gas/power.
机译:本文旨在将热爆炸氧富集应用于超出高煤注射率最低要求的水平的潜在益处。高氧富集速率降低了顶部气体温度(防止顶部气体中的未燃烧焦炭),促进同时高煤注射率/低焦炭率和高生产率,并导致最高气体的热值。如果可以有效地利用顶部气体的热值,这导致较低的热金属成本。高炉将从一个产品系统产生仅生产的热金属到双产品系统,产生热金属和气体/动力。

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