莱赛尔溶液在垂直擦膜蒸发器中蒸发溶解过程的模拟(1:溶液流动过程的模拟)

IF 1.3 4区农林科学 Q2 MATERIALS SCIENCE, PAPER & WOOD

Cellulose Chemistry and Technology Pub Date : 2023-09-29 DOI:10.35812/cellulosechemtechnol.2023.57.66

CHOL-JUN RI, YON-CHOL KIM, SUNG-WON KIM, JONG-HYOK CHOE

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引用次数: 0

摘要

立式擦膜蒸发器(VWFE)在化工、食品特别是纤维工业中有着广泛的应用。本文对Lyocell溶液(芦苇纤维素、n -甲基morpholine N-oxide (NMMO)溶剂、水)在真空真空蒸发溶解过程进行了数学模拟。采用COMSOL Multi-physics 5.4中具有旋转部件的几何形状湍流模型和冻结转子方法对VWFE中的溶液流动进行了模拟。将仿真结果与实验结果进行比较，验证了该方法的有效性。

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

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.

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来源期刊

Cellulose Chemistry and Technology 工程技术-材料科学：纸与木材

CiteScore

2.30

自引率

23.10%

发文量

审稿时长

7.3 months

期刊介绍： Cellulose Chemistry and Technology covers the study and exploitation of the industrial applications of carbohydrate polymers in areas such as food, textiles, paper, wood, adhesives, pharmaceuticals, oil field applications and industrial chemistry. Topics include: • studies of structure and properties • biological and industrial development • analytical methods • chemical and microbiological modifications • interactions with other materials