Numerical investigation of gas-solid heat transfer process in vertical tank for sinter waste heat recovery
作者： Junsheng Feng , Hui Dong , Jianye Gao , Hanzhu Li , Jingyu Liu
DOI: 10.1016/J.APPLTHERMALENG.2016.06.175
关键词:
摘要: Abstract In the present paper, a three-dimensional mathematical model is established on basis of porous media theory and local thermal non-equilibrium model, to investigate gas solid heat transfer in sinter bed layer vertical tank. The reliability verified through comparison calculated results with experimental according homemade setup. Numerical simulations are conducted examine influences different structural operating parameters air temperatures layer. Furthermore, an optimal combination each parameter determined orthogonal experiment for improving outlet exergy cooling air. show that decrease flow rate increasing. Decreasing inner diameter height section, or increasing particle diameter, temperature decreases increases. Based annual output 3,900,000 tons 360 m2 sintering machine, suitable tank 150 kg/s rate, 0.015 m 10 m section 8 m section.
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