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针对急倾斜煤层(50°以上)工作面采用伪俯角急倾斜综采工艺技术安全生产的世界性难题,该矿率先在伪俯斜(其伪俯斜角度按工作面倾斜长度30%设计布置,其夹角为16.7°)综采支架(多边形支架)、工作面运输机、割煤机均设计能在45°以上的中厚急倾斜煤层工作面中使用,并提供了成功应用事例和经验。
Aiming at the worldwide problem of safety production in steeply inclined coal face (50 ° and above) with pseudo-depression and steeply inclined fully mechanized mining technology, the mine takes the lead in pseudo-slope (whose pseudo-slope angle is designed and arranged according to the slope length of working face 30% The included angle is 16.7 °. The fully mechanized mining support (polygonal support), working face conveyor and coal cutting machine are all designed to be used in medium-thick steep coal seam above 45 ° and provide successful application examples and experiences.