A SIMULATION OF EVAPORATION DISSOLUTION PROCESS FOR A LYOCELL SOLUTION IN A VERTICAL WIPED FILM EVAPORATOR (1: SIMULATION OF FLOW PROCESS FOR SOLUTION)

被引：1
|
作者：
Ri, Chol-Jun [1 ]
Kim, Yon-Chol [2 ]
Kim, Sung-Won [2 ]
Choe, Jong-Hyok [1 ]
机构：
[1] Inst Automat, Dept Ind Measurement 2, Pyongyang, North Korea
[2] Inst Math, Dept Computat Math, Pyongyang, North Korea
来源：
CELLULOSE CHEMISTRY AND TECHNOLOGY | 2023年 / 57卷 / 7-8期
关键词：
Lyocell solution; vertical wiped film evaporator; evaporation dissolution; simulation; residence time;
D O I：
10.35812/CelluloseChemTechnol.2023.57.66
中图分类号：
TB3 [工程材料学]; TS [轻工业、手工业、生活服务业];
学科分类号：
0805 ; 080502 ; 0822 ;
摘要：
Vertical wiped film evaporators (VWFE) have found wide application in chemical, food and especially, fiber industries. In this paper, a mathematical simulation is represented for the vacuum evaporation dissolution process of Lyocell solution (reed cellulose, N-Methylmorpholine N-oxide (NMMO) solvent, water) in VWFE. The Turbulent Flow model in geometries with rotating parts and the frozen rotor approach in COMSOL Multi-physics 5.4 were used for simulation of the solution flow in VWFE. Comparing the obtained simulation results with experimental details, we show the effect of our simulation method.
引用
收藏
页码：741 / 748
页数：8
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