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[1]尚明,张晓辉,曾红久,等.选煤厂选煤工艺产尘特性研究——以哈拉沟选煤厂为例*[J].中国安全生产科学技术,2025,21(5):95-101.[doi:10.11731/j.issn.1673-193x.2025.05.012]
　SHANG Ming,ZHANG Xiaohui,ZENG Hongjiu,et al.Study on dust generation characteristics of coal preparation process in coal preparation plants:a case study of Halagou coal preparation plant[J].Journal of Safety Science and Technology,2025,21(5):95-101.[doi:10.11731/j.issn.1673-193x.2025.05.012]
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选煤厂选煤工艺产尘特性研究——以哈拉沟选煤厂为例*

《中国安全生产科学技术》[ISSN:1673-193X/CN:11-5335/TB]

卷:
21
期数:
2025年5期
页码:
95-101
栏目:
职业安全卫生管理与技术
出版日期:
2025-05-30

文章信息/Info

Title:
Study on dust generation characteristics of coal preparation process in coal preparation plants:a case study of Halagou coal preparation plant
文章编号:
1673-193X(2025)-05-0095-07
作者:
尚明; 张晓辉; 曾红久; 汤国伟
(1.国家能源集团神东洗选中心，陕西 榆林 719352；
2.神东洗选中心哈拉沟选煤厂，陕西 神木 719300；
3.中国矿业大学 化工学院，江苏 徐州 221116）
Author(s):
SHANG Ming;  ZHANG Xiaohui;  ZENG Hongjiu;  TANG Guowei
(1.Shendong Washing Center,China Energy Group,Yulin Shaanxi 719352,China;
2.Halagou Coal Preparation Plant,Shendong Washing Center,Shenmu Shaanxi 719300,China;
3.School of Chemical Engineering and Technology,China University of Mining and Technology,Xuzhou Jiangsu 221116,China)
关键词:
选煤工艺; 粉尘扩散; 产尘环节; 粉尘防控
Keywords:
coal preparation process;  dust dispersion;  dust-producing stages;  dust prevention and control
分类号:
X964
DOI:
10.11731/j.issn.1673-193x.2025.05.012
文献标志码:
A
摘要:
为解决选煤工艺中粉尘扩散机理不清、多因素耦合作用难以量化的难题，以哈拉沟选煤厂筛分、破碎、转载等主要产尘环节为对象，研究尘源特点、煤流量、煤含水率和煤粒度等主要参数对工艺产尘的影响。研究结果表明：选煤工艺的煤炭加工方式与密封类别差异形成对环境空间洁净程度的不同影响；且导料槽内煤流量越大、煤块粒度越小、水分含量越低，越容易产生扬尘；喷雾可有效抑制导料槽内粉尘扩散，但喷雾与除尘风机协同时，由于风机对气流的干扰，可能导致导料槽内粉尘不降反增。研究结果可为选煤厂粉尘防控方案设计提供参考。
Abstract:
To address the challenges of unclear dispersion mechanism and difficulties in quantifying multi-factor coupling effect of dust in the coal preparation processes,taking the main dust-producing stages such as screening,crushing and transshipment in Halagou coal preparation plant as the object,the influence of main parameters such as dust source characteristics,coal flow rate,coal moisture content and coal particle size on the process dust production was studied.The results show that the difference in the coal processing method and the sealing category of the coal preparation process has different influence on the cleanliness of the environmental space.The larger coal flow rate,smaller particle size of coal block,and lower moisture content in the guide trough,the easier it is to produce dust.The spraying can effectively inhibit the dust dispersion in the guide trough,but when the spray is combined with the dust removal fan,due to the interference of fan on the air flow,the dust in the guide trough may increase instead of decreasing.The research results can provide reference for the design of dust prevention and control scheme in coal preparation plants.

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备注/Memo

备注/Memo:
收稿日期： 2024-08-13
* 基金项目： 国家能源集团十大科技攻关项目（E21010028504）
作者简介： 尚明，硕士，高级工程师，主要研究方向为选煤厂管理。
通信作者： 汤国伟，硕士研究生，主要研究方向为选煤厂粉尘治理。
更新日期/Last Update: 2025-05-26