| 中国煤矿粉尘危害防治技术现状及发展方向 |
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| 引用本文： | 王昊, 张永亮, 撒占友, 吴静波, 王家远. 综掘工作面压抽风量比对多径向涡旋气幕阻尘效果的影响[J]. 矿业安全与环保, 2022, 49(2): 117-121, 126. DOI: 10.19835/j.issn.1008-4495.2022.02.021 |
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| 作者姓名： | 王昊 张永亮 撒占友 吴静波 王家远 |
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| 作者单位： | 1.青岛理工大学 安全科学与工程系，山东 青岛 266520;2.青岛理工大学 山东省重点行业领域事故防范技术研究中心，山东 青岛 266520;3.山东科技大学 矿山灾害预防控制省部共建国家重点实验室培育基地，山东 青岛 266590 |
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| 摘 要： | 为了解决煤矿综掘工作面粉尘污染难题，以唐口煤矿3110运输巷综掘工作面为研究对象，对压抽风量比r为0.5、0.8、1.2、1.5条件下的多径向涡旋气幕运移及其阻尘效果开展数值模拟研究。结果表明，随着r的减小，控制风流结构的主要因素由惯性转变为抽风负压，气幕保持径向涡旋状态的轴向运移距离及其前部低速紊流区均随之减小，当r减小至0.8及0.5时，能够在掘进作业区域形成轴向阻尘流场，粉尘污染范围也随之减小。结合综掘工作面实际情况，选取r为0.8，经现场应用，掘进机司机前部断面形成了较为完整的轴向阻尘流场，风速减小至0.38~1.19 m/s，掘进机司机处粉尘质量浓度降至63.0 mg/m3。
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| 关 键 词： | 综掘工作面 粉尘治理 压抽风量比 涡旋气幕 阻尘规律 |
| 收稿时间： | 2021-05-27 |
| 修稿时间： | 2021-10-30 |
The development and application of a novel multi-radial-vortex-based ventilation system for dust removal in a fully mechanized tunneling face |
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| WANG Hao, ZHANG Yongliang, SA Zhanyou, WU Jingbo, WANG Jiayuan. Effect of the forced-suction airflow volume ratio on the dust suppression of swirling air curtain in fully mechanized excavation face[J]. Mining Safety & Environmental Protection, 2022, 49(2): 117-121, 126. DOI: 10.19835/j.issn.1008-4495.2022.02.021 |
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| Authors: | WANG Hao ZHANG Yongliang SA Zhanyou WU Jingbo WANG Jiayuan |
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| Affiliation: | 1.Department of Safety Science and Engineering, Qingdao University of Technology, Qingdao 266520, China;2.Research Center for Accident Prevention Technology in Key Industries of Shandong Province, Qingdao University of Technology, Qingdao 266520, China;3.Key Laboratory of Mining Disaster Prevention and Control of the Ministry of Education, Shandong University of Science and Technology, Qingdao 266590, China |
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| Abstract: | In order to solve the problem of dust pollution in fully mechanized excavation face of coal mine, this article took the fully mechanized excavation face of 3110 haulage gateway in Tangkou Coal Mine as the research object, numerically simulated the structure evolution and dust suppression of swirling air curtain when the forced-suction airflow volume ratio |
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| Keywords: | fully mechanized excavation face dust control ratio of forced air volume to exhaust air volume swirling air curtain dust prevention rule |
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