期刊文献+

组合式提升管入口区颗粒的返混特性

Solid Back-Mixing Properties in the Inlet Zone of a Integrated Riser
下载PDF
导出
摘要 根据文中提出的颗粒局部及整体返混比,对组合式提升管入口区颗粒的返混特性进行了研究,结果表明,在S型颗粒浓度轴向分布时,颗粒在床层底部的返混较小,在顶部的返混较大;而在指数形颗粒浓度轴向分布时,颗粒则在床层底部的返混较大,在顶部的返混较小.在不同操作条件下,床内颗粒具有不同的局部返混特性,在气速较高时,颗粒在床层中心的返混较少,在床层边壁的返混较多;在气速较低时,在床层顶部,颗粒在床层中心的返混较少,在床层边壁的返混较多,而在床层底部,颗粒则在床层中心和边壁处的返混较多,在床层中部的返混较少.
出处 《过程工程学报》 CAS CSCD 北大核心 2004年第z1期585-591,共7页 The Chinese Journal of Process Engineering
  • 相关文献

参考文献12

  • 1漆小波,黄卫星,祝京旭,石炎福.循环流化床提升管中颗粒速度的径向分布及其沿轴向的发展[J].高校化学工程学报,2002,16(2):168-173. 被引量:18
  • 2范怡平,晁忠喜,卢春喜,孙国刚,时铭显.催化裂化提升管预提升段气固两相流动特性的研究[J].石油炼制与化工,1999,30(9):43-47. 被引量:13
  • 3[3]Zhu J X,Li G Z,Qin S Z et al. Direct Measurement of Particle Velocities in Gas-Solids Suspension Flow Using a Novel Five-fiber Optical Probe[J].Powder Technol.,2001,115(2):184-192. 被引量:1
  • 4孔春林,黄卫星,潘永亮,漆小波,施光明,林海波.提升管气固两相流中颗粒速度的实验研究[J].四川大学学报(工程科学版),2002,34(3):41-45. 被引量:8
  • 5[5]Nieuwl J J, Meijer R, Kuipers J A M. Measurements of Solids Concentration and Axial Solids Velocity in Gas-Soli d Two-Phase Flows[J]. Powder Technol., 1996, 87(2):127-139. 被引量:1
  • 6[6]Miller A, Gidaspow D. Dense, Vertical Gas-Solid Flow in a Pipe[J]. AIChE J., 1992, 38(11): 1801-1815. 被引量:1
  • 7[7]Rhodes M J, Laussmann P. A Simple Non-isokinetic Sampling Probe for Dense Suspensions[J]. Powder Technol.,1992, 70(2): 141-151. 被引量:1
  • 8[8]Aguillon J, Shakourzadeh K, Guignon P. Comparative Sturdy of Non-isokinetic Sampling Probes for Solids Flux Mea surement in Circulating Fluidized Beds[J]. Powder Technol., 1995, 83(1):79-84. 被引量:1
  • 9[9]Herb B, Dou S, Tuzla K. Solid Mass Flux in Circulating Fluidized Bed[J]. Powder Technol., 1992, 70(3): 197-205. 被引量:1
  • 10杨勇林..循环流化床内气固并流上行和下行运动规律的研究[D].清华大学,1991:

二级参考文献20

  • 1[1]Hartge E U, Rensner D, Werther J. Solids concentration and velocity patterns in circulating fluidized beds [A].In:Basu P,Large J F, ed. Circulating fluidized bed technology II[C], Toronto: Pergamon Press, 1988, 165~180. 被引量:1
  • 2[3]Harris B J, Davidson J F. Velocity profiles, gas and solids, in fast fluidized beds [A].In:Potter O E, Nicklin D J. Fluidization VII[C]. New York: Engineering Foundation, 1992, 219~226. 被引量:1
  • 3[4]Yang Y L, Jin Y, Yu Z Q, et al. Investigation on slip velocity distributions in the riser of dilute circulating fluidized bed[J]. Powder Technology, 1992, 73: 67~73. 被引量:1
  • 4[5]Yang Y, Jin Y, Yu Z Q,et al. Local slip behaviors in circulating fluidized bed [J]. AIChE Symp Ser, 1993, 89:(296), 81~90. 被引量:1
  • 5[6]Harris B J, Davidson J F, Xue Y. Axial and radial variation of flow in circulating fluidized bed risers [A]. Avidan A A, ed. Circulating Fluidized Bed Technology IV[C], New York: AIChE, 1994, 103~110. 被引量:1
  • 6[7]Tanner H, Li J, Reh L. Radial profiles of slip velocity between gas and solids in circulating fluidized beds [J]. AIChE Symp Ser, 1994, 90:(301), 105~113. 被引量:1
  • 7[8]Nieuwland J J, Meijer R, Kuipers J A M, et al. Measurements of solids concentration and axial solids velocity in gas-solid two-phase flows [J]. Powder Technology, 1996, 87: 127~139. 被引量:1
  • 8[9]Wei F, Lin H F, Cheng Y. et al. Profiles of particle velocity and solids fraction in a high density riser [J]. Powder Technology, 1998, 100: 183~189. 被引量:1
  • 9[10]Godfroy L, Larachi F, Chaouki J. Position and velocity of a large particle in a gas solid riser using the radioactive particle tracking technique [J]. Can J Chem Eng, 1999, 77(2): 253~261. 被引量:1
  • 10[12]Zhu J X, Li G Z, Qin S Z, et al. Direct measurements of particle velocities in gas-solids suspension flow using a novel five-fiber optical probe[J]. Powder Technology, 2001, 115 (2): 184~192. 被引量:1

共引文献34

相关作者

内容加载中请稍等...

相关机构

内容加载中请稍等...

相关主题

内容加载中请稍等...

浏览历史

内容加载中请稍等...
;
使用帮助 返回顶部