【摘要】 针对煤矿采煤工作面上隅角容易聚集瓦斯问题,研制出一种适合矿井特殊环境下使用的引风器,为采煤工作面上隅角瓦斯治理增加了一种新的途径和措施。通过煤炭企业应用,获得了良好的使用效果。更多还原

【Abstract】 Aiming at problems of easy accumulation of gas at corners of coal mine face worked,develop fan which is proper to keep work under the particularity environment,add a new of method for controlling the accumulation of gas at corners of coal mining face worked,gained all right result in the coal enterprise application.更多还原