A population balance model for the chocolate roller refining process

被引：2

作者：

Khajehesamedini, Ali ^{[1
]}

Paggios, Konstantinos ^{[2
]}

Schmid, Philip ^{[1
]}

Kindlein, Moritz ^{[1
]}

Briesen, Heiko ^{[1
]}

机构：

[1] Tech Univ Munich, TUM Sch Life Sci Weihenstephan, Proc Syst Engn, Gregor Mendel Str 4, D-85354 Freising Weihenstephan, Germany

[2] Buhler AG, Gupfenstr 5, CH-9240 Uzwil, Switzerland

来源：

ADVANCED POWDER TECHNOLOGY | 2021年 / 32卷 / 11期

关键词：

Population balance model; Chocolate roller refining process; Particle size distribution; Breakage frequency; Fragment distribution function; PARTICLE-SIZE DISTRIBUTION; INVERSE PROBLEMS; FLOW PROPERTIES; CRYSTAL SIZE; MILL; BREAKAGE;

D O I：

10.1016/j.apt.2021.09.021

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

A study was performed to analyze the evolution of particle size distribution in the chocolate roller refining process. A mathematical model based on the continuity and population balance equations was developed to interpret industrial data. The industrial data were provided for chocolate pastes with powder/ crystalline sugar particles at low/high shear rates. The parameters of the breakage frequency and fragment distribution function were estimated using industrial data. After parameter fitting, the model shows good agreement with the experimental results for varying conditions with a single consistently chosen set of parameters. This provides confidence that the general model structure is suitable for process evaluation. The population balance model was used to analyze the influence of changing some process variables on the efficiency of grinding. The results show that there might exist optimum values of the roll's diameter and rotational velocity for a specific configuration of the equipment. (c) 2021 The Society of Powder Technology Japan. Published by Elsevier B.V. and The Society of Powder Technology Japan. All rights reserved.

引用

页码：4130 / 4140

页数：11

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