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

页码：741 / 748

页数：8

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