Patent ID: 7604986

Claim:
An automatic cleaning system of an organic waste decomposition device, comprising: a hopper which is connected with a fermentation tank of an organic waste decomposition device using a suction line and is adapted to suck a remaining substance from the fermentation tank and store the same; a twist screen having a multi-step screen and a vibrator motor which is adapted to filter a remaining substance supplied from the hopper using a vibration generated by the vibrator motor and separates the same into a recyclable substance and a non-recyclable substance and discharge the same; an eject hopper which is adapted to store a recyclable substance separated and discharged from the twist screen; a cyclone which is connected with the eject hopper by a pressure line and is adapted to re-supply a recyclable substance supplied from the eject hopper to a fermentation tank of an organic waste decomposition device and to return a part of the same to the hopper; and a ring blower which is adapted to suck air from the hopper for thereby implementing a decreased pressure stare in the interior of the hopper and to generate a certain air pressure for transferring a recyclable substance from the eject hopper to the cyclone.