A review of in-line and on-line measurement techniques to monitor industrial mixing processes

被引:89
作者
Bowler, Alexander Lewis [1 ]
Bakalis, Serafim [1 ]
Watson, Nicholas James [1 ]
机构
[1] Univ Nottingham, Fac Engn, Univ Pk, Nottingham NG7 2RD, England
基金
英国工程与自然科学研究理事会;
关键词
Mixing; Blending; Process analytical technology; Sensors; Industry; 4.0; Measurement techniques; NEAR-INFRARED SPECTROSCOPY; ELECTRICAL-RESISTANCE TOMOGRAPHY; BUBBLE-SIZE DISTRIBUTIONS; PROCESS ANALYTICAL TECHNOLOGY; POWDER BLEND HOMOGENEITY; NON-NEWTONIAN FLUIDS; LOCAL GAS HOLDUP; IMAGE MEASUREMENT TECHNIQUE; FLOW REGIME IDENTIFICATION; VOID FRACTION DISTRIBUTION;
D O I
10.1016/j.cherd.2019.10.045
中图分类号
TQ [化学工业];
学科分类号
0817 ;
摘要
Mixing is a ubiquitous operation in process engineering. It is not only used for combining materials, but also for promoting heat and mass transfer, increasing aeration, suspending solids, and modifying material structure. Measurement techniques have the potential to optimise industrial mixing processes and improve product quality by monitoring critical process parameters. Real-time sensing techniques that do not require manual material sampling are of particular interest owing to their automatic data acquisition capability. This makes them suitable for use in control systems for process automation and eventually as connected sensors in Industry 4.0. This review article focuses on these measurement techniques, defined as in- and on-line, along with their capability for implementation in industrial processes. The applications reviewed include liquid-liquid, gas-liquid, solid-liquid, solid-gas-liquid, in addition to solids blending. A technique selection section discussing the decision-making process when choosing a sensor and a summary table including the advantages, disadvantages, applications and limitations of each technique are provided. The article concludes by discussing the future of monitoring techniques for mixing processes. Crown Copyright (C) 2019 Published by Elsevier B.V. on behalf of Institution of Chemical Engineers. All rights reserved.
引用
收藏
页码:463 / 495
页数:33
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