煤炭工程 ›› 2017, Vol. 49 ›› Issue (2): 93-96.doi: 10.11799/ce201702029

• 研究探讨 • 上一篇    下一篇

岩巷综掘面长压短抽通风系统下粉尘分布规律研究

郑建国1,汪日生2   

  1. 1. 中国辐射防护研究院
    2. 辽宁工程技术大学
  • 收稿日期:2016-03-21 修回日期:2016-04-23 出版日期:2017-02-09 发布日期:2017-03-09
  • 通讯作者: 郑建国 E-mail:1306630591@qq.com

Numerical Simulation of Dust Distribution Regularities in Comprehensive Tunneling Face of Rock Roadway with Far-pressing-near–absorption Ventilation System

  • Received:2016-03-21 Revised:2016-04-23 Online:2017-02-09 Published:2017-03-09

摘要: 为了掌握长压短抽通风系统下岩巷综掘工作面的粉尘运移规律,以漳村矿北翼辅助运输巷为研究背景,采用数值模拟和现场实测相结合的方法,基于气固两相流理论,借助于计算流体力学的离散相模型,对综掘工作面的风流场和粉尘浓度场分布规律进行了数值模拟研究。研究表明:长压短抽通风系统有效抑制了高浓度粉尘向掘进机后方扩散,并通过除尘器将积聚的粉尘快速排出,改善了作业环境,保障了作业人员的身心健康。

关键词: 岩巷, 综掘面, 长压短抽, 粉尘分布规律, 数值模拟

Abstract: In order to grasp the migration regularities of dust in comprehensive tunneling face of rock roadway with far-pressing-near –absorption ventilation system. On the background of auxiliary transportation lane in the north limb of Zhangcun mine, by using the method of combining numerical simulations and field measurement, the discrete phase model for computational fluid mechanics is used for numerical simulation research of the wind and dust concentration field distribution regularities. The results of research show far-pressing-near –absorption ventilation system can effectively restrain the high concentration of dust diffusing to the rear of roadheader, and the accumulation of dust can be discharged quickly by dust collector, improving the working environment and protecting the workers' physical and mental health.

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