고로하부 액체유동에 대한 수치해석 사례 - 냉간유동 Numerical simulation of the liquid flow in the lower part of the blast furnace - A cold flow case

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The high permeability of the gas in the molten iron of the dripping zone of the blast furnace is a major factor in achieving the stable operation of a furnace with high productivity. Basic studies of the liquid flow behavior in a packed bed are necessary to grasp the effect of various operational changes on conditions in the dropping zone. Molten iron and slag together play a critical role in the lower zone, transporting mass and energy, while impairing and redistributing the gas flow. In turn, molten iron and slag undergo physical and chemical changes, and are redistributed radially as they descend to the hearth.In this research, mathematical formulations are derived for the gas and the liquid. The solid phase is fixed with constant porosity. The information for the molten iron and slag includes the hold-up, velocity, pressure, and information related to the areas of interaction between the gas and the liquid, and the solid and the liquid. Predictable results include the velocity, pressure and temperature distribution. Additional parameters include the packed particle size and the air blast rate.
Publisher
한국연소학회
Issue Date
2008-06
Language
Korean
Citation

한국연소학회지, v.13, no.2, pp.33 - 41

ISSN
1226-0959
URI
http://hdl.handle.net/10203/90268
Appears in Collection
ME-Journal Papers(저널논문)
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