To provide garbage fermentation equipment capable of reliably securing a stable fully closed state of a shutter over a long term without performing periodical maintenance.
Fermentation tanks H-1 and fermentation tanks H-2 are connected and made to communicate with each other by connection passages 7, and the shutter 17 capable of vertically movable which opens or closes each connection passage 7 with a shutter driving means 19 is disposed on the connection passage 7. The shutter 17 is supported freely vertically-movably by a shutter guide part 21 formed on a pair of left and right cross-sectional inward channel shape grooves 21a, when the shutter is fully closed, that is, the shutter falls lowest, the shutter is protruded downward from the left and right channel shape grooves 21a, at the same time, a protruded passage floor surface 7a is made to be a downwardly inclined tapered surface and, thereby, a fermented material extruded downward by the shutter 17 is naturally dropped through the tapered surface.
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Masakazu Ito
Nobuhiko Takashima