The present invention is configured to supply air for forming the waste conveying stream in three directions, so that the waste falling through the vertical chute (vertical inlet tube) connected to the inlet can be discharged smoothly without being blocked in the conveying pipe. It relates to a garbage collection device developed to have. Specifically, the garbage collecting device according to the present invention, when the waste introduced into the inlet falls through the vertical chute 110 to the transverse main pipe 100, the air flowing from the terminal air inlet 101 and the lower air inlet ( A waste conveying stream is formed by the sum of the air introduced from 121 to create the flotation air and the air introduced from the intermediate air inlet 111, so that the waste air is transported.
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