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Received January 27, 2021
Accepted September 29, 2021
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This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/bync/3.0) which permits
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Study on the performance of different discharging devices of a continuous production system
College of Electromechanical Engineering, Qingdao University of Science and Technology, Qingdao 266061, China 1College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao 266042, China 2School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China
Korean Journal of Chemical Engineering, April 2022, 39(4), 876-886(11), 10.1007/s11814-021-0971-5
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Abstract
Based on the developed continuous production system of sodium phenol carboxylation reaction, several types of discharging devices are proposed, which are suitable for the case where the transported particles are not easy to maintain a stable state in the transported fluid. Numerical simulations of the gas-solid two-phase flow characteristics and particle distribution were performed with DPM, and the particle retention ratio and fluid loss degree were proposed to investigate the performance of the discharging devices. The results of simulations and industrial experiments showed that a guide plate installed in the “B” discharging device can solve the accumulation problem, realize the efficient and continuous delivery of the particles, and maintain a uniform distribution of particles. This study can provide a reference for the design of a gas-solid two-phase discharging device, and guide the industrial experimental operation and modification of continuous production systems for sodium phenol carboxylation.
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