浅埋煤层采空区强漏风流场数值模拟及自燃危险性研究

Research on Numerical Simulation of Air Leakage and Risk of Spontaneous Combustion under the Condition of Strong Leakage and Shallow Coal Seams

浅埋煤层在开采过程中,会产生较为严重的地表破坏,致使漏风现象凸显。煤矿采空区漏风是致使采空区煤炭自燃的严重诱因之一。本文针对柠条塔N1201综采工作面漏风强度高的特点进行分析,进行漏风数值模拟,得出其漏风情况,进一步得出自燃危险特点,便于有针对性的防治其工作面采空区自燃发生。

During the shallow coal seams mining process,the surface will be damaged seriously,causing leakage phenomenon highlights.Leakage is a coal mining area resulting in spontaneous combustion of coal gob serious incentives.In this paper,fully mechanized coal face NingTiao Ta N1201 air leakage characteristics of high strength analysis,the numerical simulation of air leakage,the leakage obtained,further draw dangerous combustion characteristics,to facilitate targeted prevention and treatment of its occurrence face Gob.