CFD and CHD in random packing columns with seawater desulfurization
By the volume average method,gas-liquid two-phase flow CFD and CHT model is established to describe the random packing column in seawater desulfurization.By numerical calculation,the flow velocity,porosity distribution,pressure distribution and temperature distribution of seawater are obtained.Pressure loss and the outlet temperature of seawater are compared with experimental data,the prediction results and experimental results are well consistent,is exactly the same trend.Analyzing the results of calculation,a significant wall flow phenomena was found,and the reason of its formation is that the porosity of filler near the wall is significantly higher than in the middle region.Analyzing the distribution of seawater temperature,it is found that the distribution of seawater temperature is more uniform on the top of column,the seawater temperature near the wall fluctuated and were gradually more uniform towards the center of the column.Along the direction of the column from top to bottom,the seawater temperature gradually decreased,and the degree of fluctuations gradually reduced and basically does not change at half of the column,which indicated that the heat exchange between the gas and liquid has been basically completed.
seawater desurfurization packing columns CFD simulation
GAO mei-shan WANG shi-he WANG xiao-ming Guo ming-chun
College of civil engineering,Southeast university,Nanjing,China State Power Environmental Protection Research Institute,Nanjing,China Shanghai Huolin Engineering Plastics Co.,Ltd.,Shanghai,China
国际会议
The 7th International Symposium on Coal Combustion(第七届国际煤燃烧学术会议)
哈尔滨
英文
561-566
2011-07-19（万方平台首次上网日期，不代表论文的发表时间）