瓦斯隧道通风研究综述

Summary of Research on Ventilation of Gas Tunnel

瓦斯隧道是众多工程问题中的一项重要研究内容,瓦斯隧道的通风问题是隧道施工中极其重要的部分,良好的隧道通风能有效提高劳动生产效率以及减少瓦斯气体的聚集。结合截至目前的一些工程案例,分析不同通风方式的优缺点、风筒布设方式对隧道内流场、瓦斯浓度分布规律以及瓦斯气体运动规律的影响,总结出不同工况下更有利于瓦斯气体分散、有效提高通风效率的通风方式及风筒布设位置。

Gas tunnel is one of the important contents in the related research of many engineering problems.The ventilation problem of gas tunnel is an extremely important part in tunnel construction.Good tunnel ventilation can effectively improve labor production efficiency and reduce gas accumulation.Combined with some engineering cases up to now,this paper analyzes the advantages and disadvantages of different ventilation modes,the influence of air duct layout mode on the flow field,gas concentration distribution law and gas movement law in the tunnel,and summarizes the ventilation modes and air duct layout positions which are beneficial to gas dispersion and effectively improve ventilation efficiency.