夏毅敏等：棒式文丘里除尘器气液两相流阻力特性 ·455· serubber.Chin J Mech Eng,009,2(5):745 4结论 Guerra VG.Bettega R,Goncgalves JA S,et al.Pressure drop (1)文丘里棒层与下筒体的压力损失随棒间距增 and liquid distribution in a venturi scrubber:experimental data 大呈幂指数降低，且下降幅度不断减小：压力损失随风 and CFD simulation.Ind Eng Chem Res,2012,51(23):8049 8]Sharifi A,Mohebbi A.A combined CFD modeling with population 量的增大呈幂指数降增大，且上升幅度不断增大：随着 balance equation to predict pressure drop in venturi scrubbers.Res 液气比的增大而成近线性增大. Chem Intermed,2014,40(3):1021 (2)文丘里棒层喷射出来的液滴绝大部分被下筒 9]Jiang Z A,Liu X L,Du C F,et al.Numerical simulation of goaf 体所捕捉，进入到风机的液滴基本忽略不计.在转速 sealing and inerting fire-fighting technology for fully mechanized 一定的情况下，风机进出口压差随着风量的增大而减 coal faces.J Unir Sci Technol Beijing,2014,36(6):722 (蒋仲安，刘样龙，杜翠风，等.综采工作面采空区封闭与惰 小.上筒体的阻力随着风量的增加而增大，而且是接 化防灭火技术的数值模拟.北京科技大学学报，2014,36 近平方的关系. (6):722) (3)通过与实验数据的对比，关系式最大误差为 o] Torano J,Torno S,Menendez M,et al.Auxiliary ventilation in 16.88%,验证了其有效性，为棒式文丘里除尘器设计 mining roadways driven with roadheaders:validated CFD model- 和优化策略研究提供了理论依据. ling of dust behavior.Tunnelling Underground Space Technol, 2011,26(1):201 [11]Du C f,Wang H,Jiang Z A,et al.Numerical simulations of 参考文献 dust distribution in a fully mechanized excavation face with far- [Sun H,Azzopardi B J.Modelling gas-iquid flow in venturi scrub- pressing-near-absorption ventilation.J Unie Sci Technol bers at high pressure.Process Saf Enriron Prot,2003,81 (4): Beijing,2010,32(8):957 250 (杜翠凤，王辉，蒋仲安，等.长压短抽式通风综掘工作面粉 Viswanathan S.Development of a pressure drop model for a varia- 尘分布规律的数值模拟.北京科技大学学报，2010,32(8)： ble throat venturi scrubber.Chem Eng J,1998,71(2):153 957) B]Silva A,Teixeira J C F,Teixeira S F C F.Experiments in a large- [12]Kurnia J C,Sasmito A P,Mujumdar A S.CFD simulation of scale venturi scrubber Part I:pressure drop.Chem Eng Process, methane dispersion and innovative methane management in un- 2009,48(1):59 derground mining faces.Appl Math Modell,2014,38(14):3467 [4]Nasseh S,Mohebbi A,Sarrafi A,et al.Estimation of pressure [13]Yakhot V,Orszag S A.Renormalization-group analysis of turbu- drop in venturi serubbers based on annular two-phase flow model, lence.Phys Rev Lett,1986,57(14):1722 artificial neural networks and genetic algorithm.Chem Eng J, 04] Ahmadvand F,Talaie M R.CFD modeling of droplet dispersion 2009,150(1):131 in a venturi scrubber.Chem Eng J,2010,160(2):423 [5]Pak S I,Chang K S.Performance estimation of a venturi scrubber [15]Li X C,Hu Y F,Zhang W,et al.Resistance characteristics of using a computational model for capturing dust particles with liquid dust separator based on liquid phase adjustment.China Coal spray.J Hazard Mater,2006,138(3):560 Soe,2013,38(2):336 6]Lu T,Wang K S.Numerical simulation of three-dimensional heat (李小川，胡亚非，张巍，等.基于液相调节的除尘器阻力特 and mass transfer in spray cooling of converter gas in a venturi 性.煤炭学报，2013,38(2)：336)夏毅敏等: 棒式文丘里除尘器气液两相流阻力特性 4 结论 ( 1) 文丘里棒层与下筒体的压力损失随棒间距增 大呈幂指数降低，且下降幅度不断减小; 压力损失随风 量的增大呈幂指数降增大，且上升幅度不断增大; 随着 液气比的增大而成近线性增大． ( 2) 文丘里棒层喷射出来的液滴绝大部分被下筒 体所捕捉，进入到风机的液滴基本忽略不计． 在转速 一定的情况下，风机进出口压差随着风量的增大而减 小． 上筒体的阻力随着风量的增加而增大，而且是接 近平方的关系． ( 3) 通过与实验数据的对比，关系式最大误差为 16. 88% ，验证了其有效性，为棒式文丘里除尘器设计 和优化策略研究提供了理论依据． 参 考 文 献 ［1］ Sun H，Azzopardi B J． Modelling gas-liquid flow in venturi scrub￾bers at high pressure． Process Saf Environ Prot，2003，81 ( 4) : 250 ［2］ Viswanathan S． Development of a pressure drop model for a varia￾ble throat venturi scrubber． Chem Eng J，1998，71( 2) : 153 ［3］ Silva A，Teixeira J C F，Teixeira S F C F． Experiments in a large￾scale venturi scrubber Part I: pressure drop． Chem Eng Process， 2009，48( 1) : 59 ［4］ Nasseh S，Mohebbi A，Sarrafi A，et al． Estimation of pressure drop in venturi scrubbers based on annular two-phase flow model， artificial neural networks and genetic algorithm． Chem Eng J， 2009，150( 1) : 131 ［5］ Pak S I，Chang K S． Performance estimation of a venturi scrubber using a computational model for capturing dust particles with liquid spray． J Hazard Mater，2006，138( 3) : 560 ［6］ Lu T，Wang K S． Numerical simulation of three-dimensional heat and mass transfer in spray cooling of converter gas in a venturi scrubber． Chin J Mech Eng，2009，22( 5) : 745 ［7］ Guerra V G，Béttega Ｒ，Goncalves J A S，et al． Pressure drop and liquid distribution in a venturi scrubber: experimental data and CFD simulation． Ind Eng Chem Ｒes，2012，51( 23) : 8049 ［8］ Sharifi A，Mohebbi A． A combined CFD modeling with population balance equation to predict pressure drop in venturi scrubbers． Ｒes Chem Intermed，2014，40( 3) : 1021 ［9］ Jiang Z A，Liu X L，Du C F，et al． Numerical simulation of goaf sealing and inerting fire-fighting technology for fully mechanized coal faces． J Univ Sci Technol Beijing，2014，36( 6) : 722 ( 蒋仲安，刘祥龙，杜翠凤，等． 综采工作面采空区封闭与惰 化防灭火技术的数值模拟． 北 京 科 技 大 学 学 报，2014，36 ( 6) : 722) ［10］ Torao J，Torno S，Menéndez M，et al． Auxiliary ventilation in mining roadways driven with roadheaders: validated CFD model￾ling of dust behavior． Tunnelling Underground Space Technol， 2011，26( 1) : 201 ［11］ Du C f，Wang H，Jiang Z A，et al． Numerical simulations of dust distribution in a fully mechanized excavation face with far￾pressing- near- absorption ventilation． J Univ Sci Technol Beijing，2010，32( 8) : 957 ( 杜翠凤，王辉，蒋仲安，等． 长压短抽式通风综掘工作面粉 尘分布规律的数值模拟． 北京科技大学学报，2010，32( 8) : 957) ［12］ Kurnia J C，Sasmito A P，Mujumdar A S． CFD simulation of methane dispersion and innovative methane management in un￾derground mining faces． Appl Math Modell，2014，38( 14) : 3467 ［13］ Yakhot V，Orszag S A． Ｒenormalization-group analysis of turbu￾lence． Phys Ｒev Lett，1986，57( 14) : 1722 ［14］ Ahmadvand F，Talaie M Ｒ． CFD modeling of droplet dispersion in a venturi scrubber． Chem Eng J，2010，160( 2) : 423 ［15］ Li X C，Hu Y F，Zhang W，et al． Ｒesistance characteristics of dust separator based on liquid phase adjustment． J China Coal Soc，2013，38( 2) : 336 ( 李小川，胡亚非，张巍，等． 基于液相调节的除尘器阻力特 性． 煤炭学报，2013，38( 2) : 336) · 554 ·