Enhancing packing efficiency in coal water slurry systems through multi-model particle size distribution optimization

IF 4.5 2区工程技术 Q2 ENGINEERING, CHEMICAL

Powder Technology Pub Date : 2025-02-06 DOI:10.1016/j.powtec.2025.120729

Binglong Zhao , Baonan Zhou , Zhenpu Chu , Junguo Li , Shunxuan Hu , Changning Wu , Ke Liu

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引用次数: 0

Abstract

This study proposes a comprehensive approach for optimizing particle size distributions (PSDs) in coal water slurry (CWS) systems to enhance packing efficiency (PE). By integrating the Particle Swarm Optimization (PSO) model with PE model and PSD description models, ideal PSDs for single-peak, double-peak, and triple-peak distributions were developed. For the single-peak distribution, the R-R distribution model was applied to describe the PSD. High PE is achieved when the

d_{x}

range falls between 120 and 250 μm, with

β

(characteristic parameters) values ranging from 0.7 to 0.85. The shape and PE of the triple-peak distribution closely resemble those of the double-peak distribution, featuring a higher proportion of large particles compared to the single-peak distribution. This suggests that the double-peak distribution is better suited for preparing industrial CWS with a notable presence of large particles. The proposed method offers a practical and efficient approach to optimize PSDs for the preparation of highly concentrated CWS.

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来源期刊

Powder Technology 工程技术-工程：化工

CiteScore

9.90

自引率

15.40%

发文量

1047

审稿时长

46 days

期刊介绍： Powder Technology is an International Journal on the Science and Technology of Wet and Dry Particulate Systems. Powder Technology publishes papers on all aspects of the formation of particles and their characterisation and on the study of systems containing particulate solids. No limitation is imposed on the size of the particles, which may range from nanometre scale, as in pigments or aerosols, to that of mined or quarried materials. The following list of topics is not intended to be comprehensive, but rather to indicate typical subjects which fall within the scope of the journal's interests: Formation and synthesis of particles by precipitation and other methods. Modification of particles by agglomeration, coating, comminution and attrition. Characterisation of the size, shape, surface area, pore structure and strength of particles and agglomerates (including the origins and effects of inter particle forces). Packing, failure, flow and permeability of assemblies of particles. Particle-particle interactions and suspension rheology. Handling and processing operations such as slurry flow, fluidization, pneumatic conveying. Interactions between particles and their environment, including delivery of particulate products to the body. Applications of particle technology in production of pharmaceuticals, chemicals, foods, pigments, structural, and functional materials and in environmental and energy related matters. For materials-oriented contributions we are looking for articles revealing the effect of particle/powder characteristics (size, morphology and composition, in that order) on material performance or functionality and, ideally, comparison to any industrial standard.