Experimental study on the separation performance of a novel gas-liquid separator

被引:6
|
作者
Zhang, Zhen [1 ,2 ]
Shao, Mengshan [2 ]
Ling, Xiang [2 ,3 ]
机构
[1] Changzhou Univ, Sch Mech Engn & Rail Transit, Jiangsu Key Lab Green Proc Equipment, Changzhou 213164, Jiangsu, Peoples R China
[2] Nanjing Tech Univ, Sch Mech & Power Engn, Jiangsu Key Lab Proc Enhancement & New Energy Equi, Nanjing 211816, Jiangsu, Peoples R China
[3] 30 Puzhu South Rd, Nanjing 211816, Jiangsu, Peoples R China
关键词
Gas-liquid separator; Rotary drum; High; -gravity; Experimental study; Separation performance; CYCLONE-TYPE SEPARATOR; BOTTOM TAKE-OFF; FLOW-FIELD; SWIRLING BAFFLE; CLEAN GAS; EFFICIENCY; SIMULATION;
D O I
10.1016/j.apt.2022.103795
中图分类号
TQ [化学工业];
学科分类号
0817 ;
摘要
A novel two-stage dynamic separator called high-gravity cyclone separator (HGCS) has been designed for gas-liquid separation. It is mainly composed of a cyclone chamber and rotary drum. In this study, its per-formance, including the separation efficiency and pressure drop, is experimentally investigated, and the effects of the operating conditions and drum parameters are evaluated. For droplets with a mean diam-eter of 7lm, the results indicate that the optimal gas inlet velocity and high-gravity factor are 12 m/s and 59.4, respectively, and the separation efficiency reaches 98 %. The effect of liquid concentration is sensi-tive to the high-gravity factor. At a liquid concentration of 57 g/m3, the maximum efficiency will be 98.75 % when increasing the high-gravity factor to 85.6. Furthermore, a smaller radial height is preferable when the gas inlet velocity is greater than 12 m/s, and a better separation efficiency can be obtained by increasing the drum length to 190 mm. However, when the length is 235 mm, the efficiency will be poor because of the Kelvin-Helmholtz and Rayleigh-Taylor instabilities. Compared with the predominant roles of gas inlet velocity, drum length and radial height in pressure drop, the effects of liquid concentra-tion and high-gravity factor are small.(c) 2022 Published by Elsevier B.V. on behalf of The Society of Powder Technology Japan.
引用
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页数:10
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