|本期目录/Table of Contents|

[1]董厚生,魏化中*,舒安庆,等.磷酸反应槽内临界离底悬浮转速的CFD模拟[J].武汉工程大学学报,2011,(10):86-89.
 DONG Hou sheng,WEI Hua zhong,SHU An qing,et al.CFD simulation of critical suspension lmpeller speed ina phosphoric acid reaction tank[J].Journal of Wuhan Institute of Technology,2011,(10):86-89.
点击复制


磷酸反应槽内临界离底悬浮转速的CFD模拟
(/HTML)
分享到:

《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
期数:
2011年10期
页码:
86-89
栏目:
机电与信息工程
出版日期:
2011-11-30

文章信息/Info

Title:
CFD simulation of critical suspension lmpeller speed in
a phosphoric acid reaction tank
文章编号:
16742869(2011)10008604
作者:
董厚生1魏化中12*舒安庆12刘凯2

1.武汉工程大学 机电工程学院,湖北 武汉 430205;
2.武汉市压力容器压力管道安全技术研究中心,湖北 武汉 430074
Author(s):
DONG Housheng1WEI Huazhong12SHU Anqing12LIU Kai2
1.School of Mechanical and Electrical Engineering,Wuhan Institute of Technology,Wuhan 430205,China;
2.Wuhan research center of pressure vessel and pipeline safety engineering,Wuhan 430074,China
关键词:
计算流体力学(CFD)临界离底悬浮转速搅拌槽
Keywords:
computational fluid dynamics(CFD)critical suspension speed of impellerstirred tank
分类号:
TQ027.1
DOI:
-
文献标志码:
AAdoi:10.3969/j.issn.16742869.2011.10.020
摘要:
使用计算流体软件Fluent对磷酸反应槽内颗粒的临界离底悬浮转速进行了数值模拟.搅拌槽直径.T=0.5 m,四块挡板均布,搅拌桨采用45 °斜叶桨.两相物系为磷石膏—硫酸,固体体积百分比浓度φ=465%.使用浓度判据得到颗粒离底临界悬浮转速NJS,模拟计算结果的误差在工业允许的范围内.模拟得出搅拌槽中液体的流动状况和固体体积分数的分布;同时对6个不同搅拌转速下的固体颗粒悬浮状况进行比较,得出均匀悬浮临界转速.
Abstract:
 Based on the function provided by Fluent,the critical suspension impeller speed,Njs,in a phosphoric acid reaction tank was simulated.The investigation was carried out in a fully baffled,flat bottom,cylindrical vessel with 500 mm diameter,equipped with PBT impeller.The phosphogypsum of 4.65% was chosen as the dispersed phase.The original criterion was used to determine Njs from the numerical results,and the error of simulation is acceptable to the industry standard.Solid concentration distribution and the velocity distribution of solid and liquid were predicted.The performance of solid suspension under the different agitation speeds was also studied,the critical suspension impeller speed was obtained.

参考文献/References:

[1]陈志平.搅拌与混合设备设计选用手册[M].北京:化学工业出版社,2004.
[2]马青山,包云雨,聂毅骏.搅拌槽内的三维流场的数值模拟[J].化工学报,2003,54(5):612618.
[3]朱荣生,李维斌,黄道见,等.搅拌器搅拌流场的三维数值模拟[J].农机化研究,2003,10(4):7577.
[4]王振松,黄雄斌,李良超,等.固—液搅拌槽内槽底流场的CFD模拟[J].北京化工大学学报,2005,32(4):59.
[5]王军,吴铎,杨志春,等.热声谐振管压比影响因素的数值模拟[J].武汉工程大学学报,2010,32(2):8083.
[6]孙亚忠,陈作炳,董新菅.立磨内部流场的数值模拟[J].武汉工程大学学报,2011,33(4):8993.
[7]常玉锋,陈锋.排烟方式对火场人员疏散影响的数值模拟[J].武汉工程大学学报,2010,32(9):4649.
[8]黄雄斌,闫宪斌,施力田,等.固—液搅拌槽内液相速度的分布[J].化工学报,2002,53(7):717722.
[9]李良超,黄雄斌.固液搅拌槽内近壁区液相速度研究[J].北京化工大学学报,2005,32(1):3338.
[10]金中丽,黄雄武,贾志刚.固液搅拌槽内颗粒离底悬浮转速的CFD模拟[J].北京化工大学学报,2003,30(60):1822.
[11]祝铃钰.固液悬浮搅拌器中的局部速度测量[D].北京:北京化工大学,1996.
[12]包丽云.固液搅槽中液相速度测量技术开发及搅拌装置在水处理过程中的应用研究[D].北京:北京化工大学,1995.

相似文献/References:

备注/Memo

备注/Memo:
-
更新日期/Last Update: