Method and device for separating coal from gangue in pit by utilizing inclined belt conveyor
A belt conveyor and waste rock technology, applied in solid separation, chemical instruments and methods, classification, etc., can solve problems such as waste of land resources, environmental hazards, mudification, etc., achieve significant economic and social benefits, and reduce workload , the effect of small space
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[0031] As shown, the present invention includes horizontal belt conveyors and inclined belt conveyors. Among them, the horizontal belt conveyor 2 transports the raw coal 1 from the working face. When the raw coal 1 moves to the right to the material outlet 3 of the horizontal belt conveyor, it will fall; the inclined belt conveyor 4 is located in the horizontal belt conveyor. Below the conveyor 2, when the raw coal 1 falls on the inclined belt conveyor 4, it will slide relative to the conveyor belt. Due to the different friction coefficients between coal, gangue and the conveyor belt, the sliding friction force on the two is different, so the resultant force direction along the conveyor belt is different, so the acceleration direction of the two is also different; Due to the acceleration of the machine 4, the coal will be thrown out at the material outlet 5 of the inclined belt conveyor; because the gangue has the opposite acceleration, it will be thrown out at the material ou...
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