A kinetic study of a self-reducing briquette aiming the new ironmaking technologies

机译：针对新型炼铁技术的自还原型煤的动力学研究

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The effects of temperature, inert and reactive gas flow-rate and external atmosphere over the self-reducing briquette reduction rates were analyzed, aiming its use as burden in the new ironmaking reactors, such as TECNORED and Rotary Hearth Furnaces (RHF). Conversions were obtained by the determination of the fraction of oxygen removed from the briquettes being the pre-exponential factor and the apparent activation energy calculated using the Arrhenius equation. It is reported that raises in temperature, decreasing N_2 flow-rate and the use of CO atmospheres increase the reaction rate. Finally, the work concludes that the bench scale tests play an important role on the development and improvement of the emergent ironmaking technologies.

机译：分析了温度，惰性气体和反应性气体的流量以及外部气氛对自还原型煤还原率的影响，旨在将其用作TECNORED和旋转炉窑（RHF）等新型炼铁反应堆的负担。通过确定从团块中除去的氧气比例（即指数前因子）和使用Arrhenius方程计算的表观活化能来获得转化率。据报道，温度升高，N_2流速降低以及使用CO气氛会提高反应速率。最后，工作得出结论，台式规模试验对新兴炼铁技术的发展和改进起着重要作用。

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《41th Annual Conference of Metallurgists of CIM International Symposium on New Technology Implementation Metallurgical Processes Aug 11-14, 2002 Montreal, Quebec, Canada》|2002年|p.217-226|共10页
会议地点 Montreal(CA);Montreal(CA);Montreal(CA);Montreal(CA)
作者
J.H. Noldin Jr.; J.C. DAbreu; H.M. Kohler; R.N. Rodrigues Filho; K.M. Martins;
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作者单位

Dept. of Materials Science and Metallurgy-PUC-Rio University / Tecnored Ltd, Brazil R. General Garzon, 22 ― 308 Rio de Janeiro ― Rio de Janeiro ― Brazil;

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原文格式 PDF
正文语种 eng
中图分类冶金工业;
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A kinetic study of a self-reducing briquette aiming the new ironmaking technologies

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