摘要
为治理煤矿回采工作面回风流及上隅角瓦斯超限问题,掌握回采工作面瓦斯涌出规律,以宣东二矿采用"U+L"型通风方式的33204回采工作面为研究对象,通过对该工作面布置测点,测定风量和瓦斯浓度,并对数据进行整理、数值模拟分析及回归处理,得出33204回采工作面沿工作面走向、倾向瓦斯涌出规律,以及煤壁、采空区瓦斯涌出系数,可为矿井通风管理、瓦斯抽采设计,以及瓦斯治理工作提供必要的理论依据与技术指导。
In order to solve the problem that gas in the upper corner and return air tunnel is over limit,master gas effusing law of working face,the 33204 working face in Xuandong Second Coal Mine where use“U+L冶ventilation was selected as the research object.Through the layout of measuring points in the working face,detection of air volume and gas concentration,the gas effusing law of 33204 working face along trend and the inclination of gas emission,as well as the gas emission coefficient of coal wall and goaf was concluded by data processing,numerical simulation analysis and regression processing.It provided the necessary theoretical basis and technical guidance for mine ventilation management,gas drainage design and gas control.
作者
赵新
ZHAO Xin(CCTEG Shenyang Research Institute,Shenyang 110016,China)
出处
《矿业安全与环保》
北大核心
2018年第2期93-96,101,共5页
Mining Safety & Environmental Protection
