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| Relationship between essential characteristic of metallurgical coke and modern blast furnace smelting |
| LIU De-jun |
| Technical Center，Ansteel Group Co.，Ltd.，Anshan 114021，Liaoning，China |
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Abstract On the basis of scientific analysis for the current quality of Ansteel coke， the influences of coke strength， thermal state performance， chemical composition， particle size and quality fluctuation on blast furnace smelting were studied. Through sampling the coke in the blast furnace tuyere and further validation with experiment， the blast furnace operation practice could be guided well， at the same time good results were achieved. The study made the blast furnace operator and coking plant personnel in Ansteel access to knowledge related to coke quality， the influence of coke quality on blast furnace smelting， and the coke quality evaluation methods and so on， especially the use of "tuyere sampling" for which it needs to know the change rule of coke in the furnace hearth working condition. The study provides a powerful technical support for the blast furnace operation， at the same time provides the basis for coking plant about how to implement low cost to meet the requirements of the blast furnace operation coke.
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Received: 07 March 2016
Published: 08 October 2016
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2016, Vol. 51 
