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Effects of PCI on the pressure field in lower region of blast furnace
Pages: 8-11
Year: Issue:  2
Journal: Research on Iron and Steel

Keyword:  PCI ratepulverized coal sizepressure fieldnumerical simulation;
Abstract: 利用商业软件fluent研究了不同煤粉喷吹量和粒径下高炉下部压力场的变化。分析得出以下结论:在一定范围内,随着煤粉喷吹量增加,风口回旋区内绝对压力呈线性增加;大喷吹量会使高炉中心轴线、炉墙和死料柱截面上的压力增大;煤粉粒径由20~30μm增加到110~150μm,高炉中心轴线、炉墙和死料柱截面上的压力也会增大。
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