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无烟煤颗粒浸水后吸水特性研究

Study on the Water Absorption Characteristics of Anthracite Particles after Immersion in Water.

作者信息

Jin Fanbo, Wang Songquan, Duan Haichao, Xia Youtao, Yang Tianqi, Yang Daolong

机构信息

School of Mechatronic Engineering, Jiangsu Normal University, No. 101, Shanghai Road, Xuzhou 221116, Jiangsu P. R. China.

出版信息

ACS Omega. 2024 Jun 20;9(26):28841-28851. doi: 10.1021/acsomega.4c03339. eCollection 2024 Jul 2.

DOI:10.1021/acsomega.4c03339
PMID:38973869
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11223212/
Abstract

Reducing pollution caused by coal dust has always been a hot issue in the coal mining industry, and the water absorption of coal particles plays an important role in dust reduction. To study the relationship between different immersion time and the water absorption of coal particles, the substance content of coal particles after immersion was analyzed and water absorption characterization of coal particles was carried out by X-ray diffraction (XRD), water absorption calculations, and water absorption measurements. The results indicate that immersion can alter the material content of coal particles, leading to a decrease in the content of soluble mineral kaolinite, thereby affecting the wettability of coal particles. Notably, the longer the immersion time, the higher the water absorption rate of the particles, indicating a more significant water absorption effect. Furthermore, there is a negative correlation between particle sizes and water absorption of coal particles. The research results provide a theoretical reference for reducing coal dust pollution and improving the efficiency of dust suppression through spray.

摘要

减少煤尘污染一直是煤炭开采行业的热点问题，煤颗粒的吸水性在降尘中起着重要作用。为研究不同浸泡时间与煤颗粒吸水性之间的关系，对浸泡后煤颗粒的物质含量进行了分析，并通过X射线衍射（XRD）、吸水性计算和吸水性测量对煤颗粒进行了吸水性表征。结果表明，浸泡会改变煤颗粒的物质含量，导致可溶性矿物高岭石含量降低，从而影响煤颗粒的润湿性。值得注意的是，浸泡时间越长，颗粒的吸水率越高，表明吸水性效果越显著。此外，煤颗粒的粒径与吸水性之间存在负相关关系。研究结果为减少煤尘污染和提高喷雾降尘效率提供了理论参考。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a6d4/11223212/bd01cc50af91/ao4c03339_0011.jpg
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本文引用的文献

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