高炉合理鼓风动能与炉缸活性的关系

doi:10.13228/j.boyuan.issn0449-749x.20150151

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Abstract By analyzing the relationship between the reasonable blast kinetic energy and the hearth activity in blast furnace， that blast kinetic energy is not only the premise of a good hearth activity， but also one of the most important means to operate blast furnace for the operators. It was found that the reasonable blast kinetic energy increased with the increase of blast furnace volume and needed reasonable blast volume and tuyere area by study the theoretical basis and calculation method of the blast kinetic energy. By comparing the blast volumes of different blast furnaces， the concepts of blast volume ratio and blast volume coefficient were put forward. The details of exploring reasonable blast kinetic energy by adjusting the tuyere area of BX Steel new No.1 blast furnace were introduced. What’s more， various phenomena in blast furnace with different blast kinetic energies were also clearly illustrated， which could help the operator to judge whether the blast kinetic energy was in a reasonable range or not， and then adjust accordingly. In conclusion， the reasonable blast kinetic energy must adapt to the change of the various conditions during blast furnace production， which requires constant exploration to form the on-demand and reasonable blast system that could ensure the long-term stability of the blast furnace production.

Key words： blast furnace blast kinetic energy hearth activity blast volume tuyere area

Received: 03 April 2015 Published: 27 January 2016

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TF537

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Cite this article:

DAI Bing. Relationship between reasonable blast kinetic energy and hearth activity in blast furnace[J]. Iron and Steel, 2016, 51(2): 22-27.

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http://www.chinamet.cn/Jweb_gt/EN/10.13228/j.boyuan.issn0449-749x.20150151 OR http://www.chinamet.cn/Jweb_gt/EN/Y2016/V51/I2/22

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