自吸式加氢反应釜气液两相流场特性的数值模拟

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中图分类号：TQ052 文献标识码：B 文章编号：1004-8901（2026）01-0041-04

Numerical Simulation of Gas-Liquid Flow Field Characteristics ina Self-priming Hydrogenation Reactor

BI Tao，WANG Chun-yu，WANGYu-han，LIUWen-xuan （WeihaiChemicalMachineryCo.，Ltd.，WeihaiShandong 2642Oo，China）

AbstractParamesuchgsinerogeatiacoiectlycttefcyofrogeatitisdg agitatorcanachieeficientgaslquidixingByeansofthecomputatioalfuiddamics（FDmetod，teistributioaracteisticsf the gas-liquid flow field，gas holdup，air intake and the optimal critical air intake speed of a 30m3 self-priming hydrogenation reactor were investigatedTheresultsshowtatthegashasemedumismainlyintheuperadmidlepartsfthereactor，ndtheentireiringandmiing process reaches a steady state within 76 seconds.The average gas holdup in the liquid phase reaches 10.64% ，and can reach 13.47% in the dense part.The air intake of the self-priming agitator reaches 398m3/h ，which goes up sharply，then slightly and lastly stabilizes along with the increasing stirring speed.The critical rotary speed at optimal air intake is 167r/min

Keywords：self-primingagitator；gas holdup；fluid dynamics；critical rotary speed at optimal air intake doi：10.3969/j.issn.1004-8901.2026.01.008

近年来，自吸式加氢反应釜在炼油、石油、化肥等领域具有广泛应用，且朝着大型化方向发展。（剩余3789字）