[1]杨书根,郭树国,徐文海.开槽捏合块混炼元件在豆粕挤压加工中的应用及其流场研究[J].大豆科学,2019,38(02):286-290.[doi:10.11861/j.issn.1000-9841.2019.02.0286]
　YANG Shu-gen,GUO Shu-guo,XU Wen-hai.Application of Slotted Kneading Block Mixing Element in Soybean Meal Extrusion Processing and Its Flow Field Research[J].Soybean Science,2019,38(02):286-290.[doi:10.11861/j.issn.1000-9841.2019.02.0286]
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开槽捏合块混炼元件在豆粕挤压加工中的应用及其流场研究

《大豆科学》[ISSN:1000-9841/CN:23-1227/S] 卷: 第38卷 期数: 2019年02期 页码: 286-290 栏目: 出版日期: 2019-03-20
Title:
Application of Slotted Kneading Block Mixing Element in Soybean Meal Extrusion Processing and Its Flow Field Research
作者:
杨书根1; 郭树国2; 徐文海1
（1.盐城工业职业技术学院，江苏 盐城 224043； 2.沈阳化工大学 机械工程学院，辽宁 沈阳 110142 ）
Author(s):
YANG Shu-gen1; GUO Shu-guo2; XU Wen-hai1
(1.Yancheng Institute of Industrial Technology, Yancheng 224043,China; 2.School of Mechanical Engineering, Shenyang University of Chemical Technology, Shenyang 110142, China)
关键词:
豆粕; 挤出机; 混炼元件; 模拟分析; 分散混合
Keywords:
Soybean meal;  Extruder; Kneading block; Simulation analysis; Dispersion mixing
DOI:
10.11861/j.issn.1000-9841.2019.02.0286
文献标志码:
A
摘要:
摘要：为了提高豆粕加工双螺杆挤出机的混合性能，采用ANSYS-CFX对带有开槽捏合块混炼元件的双螺杆挤出机流道进行三维流场分析，比较豆粨在开槽捏合块及普通捏合块挤出过程中的运动规律。包含速度场、压力场、加权平均剪切速率，以及挤出机流场的对比分析。结果表明：开槽捏合块元件相比于常规捏合块能够显著增强对豆粨的剪切速率，使剪切速率提高1.4倍，能够使轴向建压能力增强，在凹槽处形成背压区，增加豆粨在开槽处的运动时间，提高双螺杆挤出机的分散混合性能。
Abstract:
In order to improve the mixing performance of soybean meal processing twin-screw extruder, the three-dimensional flow field of the twin-screw extruder flow path with slotted kneading block mixing elements by ANSYS-CFX was analysised for studying the movement regulation of soybean meal during extrusion. Contains velocity field, pressure field, weighted average shear rate, and comparative analysis of the extruder flow field with conventional kneading blocks. The results showed that the slotted kneading block element significantly enhanced the shear rate of the soybean meal compared to the conventional kneading block, increased the shear rate by 1.4 times, enhanced the axial pressure building capacity, formed a back pressure zone at the groove, and the flow time of the soybean meal at the slotting was increased, and the dispersion mixing performance is improved.

参考文献/References:

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备注/Memo


收稿日期：2018-10-08

基金项目：辽宁省教高等学校优秀人才支持计划（LJQ2015086）； 辽宁省自然科学基金(201602585, 20170540719)；盐城工业职业技术学院院本课题（ygy1803）。
第一作者简介：杨书根(1969-），学士，高级工程师，主要从事机械制造装备与工艺设计及教学研究。E-mail: ysg8411534@sina.com。
通讯作者：郭树国（1978-） ，博士，副教授，主要研从事挤压加工技术研究。E-mail: guoshu_guo@163.com。

更新日期/Last Update: 2019-04-01