新铁煤矿作为龙煤集团七台河分公司东部区主力矿井,地质储量丰富,但由于地质条件复杂,倾角大,制约了企业的发展。面对复杂而艰难的开采条件,新铁煤矿积极探索,勇于创新,根据急倾斜煤层采煤工作面易片帮及瓦斯涌出易超限的现象,分析采煤工作面原 Xintiao Coal Mine, as the main mine in the eastern part of Longtai Coal Group Qitaihe Branch, has rich geological reserves. However, due to complicated geological conditions and large inclination, the development of the enterprise is restricted. In the face of complicated and difficult mining conditions, the Xintiao Coal Mine actively explored and dared to innovate. According to the phenomenon that the mining face of the steep coal seam is prone to exceed the limit and the gas emission is easy to exceed the limit, the coal face