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Chemcial Industry and Engineering 2017, Vol. 34 Issue (1) :84-89    DOI: 10.13353/j.issn.1004.9533.20151022
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Direct Contact Heat Transfer Performance in Spray Column with Packing
Wei Shichao, Huang Qunwu, Jiang Lihong, Wang Yiping, Fu Hailing
School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China

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Abstract 

An experiment was carried out to study direct contact evaporative heat transfer performance with n-pentane and water in spray column with packing. Downstream operation was applied. The effects of pentane flow rate, temperature difference and distributor aperture on volumetric heat transfer coefficient and evaporative height were investigated. The results show that volumetric heat transfer coefficient in spray column with packing is twice as much as that without packing when pentane flow rate of 23.868 L/h and distributor aperture of 2.5 mm. Besides, evaporative height with packing increases with an increase of pentane flow rate and aperture distributor, a decrease of temperature difference. Volumetric heat transfer coefficient with packing increases with pentane flow rate increasing, distributor aperture reducing and has an exponential relation with temperature difference.

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Articles by authors
Wei Shichao
Huang Qunwu
Jiang Lihong
Wang Yiping
Fu Hailing
Keywordsdirect contact heat transfer;   packing;   volumetric heat transfer coefficient;   evaporative height     
Received 2015-03-03;
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Wei Shichao, Huang Qunwu, Jiang Lihong, Wang Yiping, Fu Hailing.Direct Contact Heat Transfer Performance in Spray Column with Packing[J]  Chemcial Industry and Engineering, 2017,V34(1): 84-89
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