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首页> 外文期刊>Revue de Metallurgie: Cahiers d'Informations Techniques >Injection of pulverized coal at ThyssenKrupp Steel
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Injection of pulverized coal at ThyssenKrupp Steel

机译:蒂森克虏伯钢铁公司注入煤粉

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摘要

Pulverized Coal Injection has been implemented for the first time in Germany in 1985 on BF4 in Hamborn. PCI has now become the most wide spread measure to substitute for coke in the iron making process of blast furnaces. Indeed, it affords the best opportunity to operate at low fuel cost, with reduced coke rate and high blast furnace productivity. Coke rates of 300 kg/thm and injection rates of 175 kg/thm are now achieved on the blast furnaces of ThyssenKrupp Stahl AG. The annual pulverized coal capacity of TKS is currently of 2.4 Mt. Advanced injection systems, preheated pulverized coal in particular, are presented and discussed. They have made it possible to operate with coke rates below 280 kg/thm and injection rates of 190 kg/thm in Schwelgern.
机译:1985年,德国首次在Hamborn的BF4上实施了煤粉喷射。 PCI现在已成为替代高炉炼铁过程中焦炭的最广泛措施。实际上,它提供了以较低的燃料成本,降低的焦炭率和高炉生产率的最佳机会。现在,蒂森克虏伯·斯塔尔股份公司的高炉的焦炭率为300 kg / thm,注入率为175 kg / thm。目前,TKS的粉煤年产能为2.4吨。介绍并讨论了先进的喷射系统,尤其是预热的煤粉。他们使在Schwelgern以低于280 kg / thm的焦炭速率和190 kg / thm的喷射速率运转成为可能。

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