Solids Conveying in the Solids Compaction Zone of Vane Extruder

被引：6
|
作者：
Li, Jian-Bo [1 ,2 ]
Qu, Jin-Ping [1 ,2 ]
Xu, Yi-She [1 ,2 ]
Zhang, Gui-Zhen [1 ,2 ]
Zhai, Shu-Feng [1 ,2 ]
Zhao, Yong-Qing [1 ,2 ]
Yin, Xiao-Chun [1 ,2 ]
机构：
[1] S China Univ Technol, Natl Engn Res Ctr Novel Equipment Polymer Proc, Guangzhou 510641, Guangdong, Peoples R China
[2] S China Univ Technol, Minist Educ, Key Lab Polymer Proc Engn, Guangzhou 510641, Guangdong, Peoples R China
来源：
POLYMER ENGINEERING AND SCIENCE | 2015年 / 55卷 / 03期
基金：
中国国家自然科学基金;
关键词：
SCREW EXTRUDERS;
D O I：
10.1002/pen.23937
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
On the basis of the forces on the differential element in the solids bed, a function between bulk density and pressure, and the nonisotropic pressure distribution in the element, an expression of pressure in the circumferential direction is derived. And the total power introduced through the positive conveying and the friction dragging conveying is also deduced. Experimental data are obtained using a self-developed and simplified vane extruder with an adjustable rotor eccentricity. The solids conveying mechanism in the solids compaction zone of a vane extruder is theoretically and semiempirically confirmed. Besides, the various portions of total power consumption including the power dissipated on the surfaces of the stator and baffles, the power used to build pressure and the power converted into rotational kinetic energy are derived. The effects of the eccentricity on the solids conveying are also discussed theoretically and semiempirically. POLYM. ENG. SCI., 55:719-728, 2015. (c) 2014 Society of Plastics Engineers
引用
收藏
页码：719 / 728
页数：10
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