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    • 1. 发明专利
    • JPH05339586A
    • 1993-12-21
    • JP14744892
    • 1992-06-08
    • MITSUBISHI HEAVY IND LTD
    • NAKAJIMA MASARUSHIMIZU AKIHIROHAYATA YASUOOGAWA KOJI
    • C10J3/60C10L5/00
    • PURPOSE:To provide the title equipment whereby crushed coal can be more uniformly dried. CONSTITUTION:The title equipment consists of a vertical closed oven body 5; a plurality of open-top overflow weirs 52 arranged along the vertical axis of the oven body and partitioning its lower space; open-bottom submerged weirs 51 arranged opposite to the right sides of the respective overflow weirs 52; hopper-shaped gratings 110 provided in the lower parts of the spaces partitioned by the overflow weirs; high-temperature air supply pipes 90 connected to the lower parts of the hopper-shaped gratings; a crushed coal feed pipe 4 connected to the lower part of the leftmost space partitioned by the overflow weirs; a dry coal discharge overflow pipe 12 connected to the upper part of the rightmost space partitioned by the overflow weirs; and an air discharge pipe 15 connected to the upper part of the oven body, the grating on the side left to each.submerged weir being blinded.