A coal dry separation device with multiple air supplies and a separation method

Abstract

The present application relates to coal preparation equipment technical field, the present application provides a kind of coal dry separation device and sorting method of multiple air supply, wherein a kind of coal dry separation device of multiple air supply includes rack;Bed body vibration is arranged on rack, and bed body interior is opened with several air distribution cavities along transverse direction and several air inlets and several air outlets corresponding to air distribution cavity communication, wherein several air outlets are arrayed and arranged in air distribution cavity top wall;Air distribution plate is vertically slidably arranged in air distribution cavity along bed body inner wall, and air distribution plate top has cleaning rod corresponding to air outlet one by one, air distribution plate can drive cleaning rod to slide upwards, and then make cleaning rod pass through air outlet, to push from bottom to top the material blocked in air outlet. By the above technical scheme, the technical problem that the air outlet on the sorting bed surface of the coal dry separation device in the prior art is difficult to clean after being blocked is solved.

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