掘进过程中隧道应用新式压风导流调控通风系统的控–除尘效果研究
A Study on the Dust Control and Ventilation Effects of a New Pressurized Air Flow Control System in Tunnels during Tunneling Operations
DOI: 10.12677/me.2026.143062, PDF,   
作者: 刘 强, 刘新鹏, 华 赟, 刘士昊, 蔡源坤：山东科技大学安全与环境工程学院，山东 青岛
关键词: 导流装置；CFD数值模拟；粉尘污染控制；Flow-Diverting Device； CFD Numerical Simulation； Dust Pollution Control
摘要: 新式压风导流调控通风系统通过导流装置阻挡压风筒射流形成纵向空气幕，将隧道分割为含尘区与清洁区，配合抽风与除尘风机实现控–除尘一体化，解决传统通风粉尘扩散与除尘不足问题。本文以大柳塔煤矿掘进工作面为对象，采用CFD数值模拟与现场实测相结合的方法，对比传统压入式通风系统，分析风流–粉尘耦合规律与动态掘进过程粉尘控制特征，优化压风筒安装参数。结果表明：新系统可显著缩短粉尘扩散距离，将高浓度粉尘限制在工作面局部区域；在压、抽风量比1.5条件下，最优安装方案为初始出风口距工作面12 m，掘进至20 m时接长8 m柔性风筒并复位，作业人员位置粉尘浓度始终低于150 mg/m3，控除尘效果提高了43.9%。有效保障井下作业安全。
Abstract: The new pressurized air flow control ventilation system uses a deflector to block the jet from the pressurized air duct, creating a longitudinal air curtain that divides the tunnel into a dust-laden zone and a clean zone. By coordinating with exhaust and dust collection fans, it achieves integrated ventilation and dust removal, thereby addressing the issues of dust dispersion and inadequate dust removal associated with traditional ventilation systems. This study focuses on the tunneling face at the Daliuta Coal Mine. By combining CFD numerical simulation with on-site measurements, it compares the system with traditional forced-air ventilation systems, analyzes the coupling mechanisms between airflow and dust, and examines dust control characteristics during dynamic tunneling operations to optimize the installation parameters of the air ducts. The results indicate that the new system can significantly reduce the distance of dust dispersion, confining high-concentration dust to a localized area of the working face; under a supply-to-exhaust airflow ratio of 1.5, the optimal installation scheme involves positioning the initial outlet 12 m from the working face, extending the flexible duct by 8 m when excavation reaches 20 m, and then repositioning it. Dust concentrations at worker locations remain consistently below 150 mg/m3, with dust removal efficiency improved by 43.9%. This effectively ensures the safety of underground operations.
文章引用：刘强, 刘新鹏, 华赟, 刘士昊, 蔡源坤. 掘进过程中隧道应用新式压风导流调控通风系统的控–除尘效果研究[J]. 矿山工程, 2026, 14(3): 607-621. https://doi.org/10.12677/me.2026.143062

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