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 Apparatus for compositing organic waste

Details
Inventors: Bryan-Brown, Michael;
Assignee:
Primary Examiner: Beisner; William H.
Assistant Examiner:
Attorney, Agent or Firm:

The present invention discloses a bioreactor for aerobically composting organic waste. The bioreactor includes a container for supporting the organic waste, a rotatably positioned lid cover for enclosing the container, a mixing assembly slidably mounted to the lid cover, and an aeration system for promoting the aerobic composting process. The mixing assembly is mounted to the lid cover using a slide system which permits the mixing auger to move radially within the container. The mixing assembly includes a mixing auger and a motor for rotating the mixing auger. Preferably, the mixing auger is configured with sharp cutting edges to facilitate grinding of the composting organic waste.

DETAILED DESCRIPTION The present invention discloses an apparatus equipped with a stirring assembly for composting organic waste.
In one embodiment of the present invention, the composting apparatus comprises a container for holding organic waste, a lid cover, and a mixing assembly slidably mounted to the lid cover.
The container has a center line and a top opening with a radius r.
sub.
container.
The container is preferably cylindrical in shape and liquid tight.
The lid cover is positioned over the top opening of the container enclosing the container, and is operable to rotate about the center line of the container.
The mixing assembly extends into the container and is slidably mounted to the lid cover such that the mixing assembly can move radially within the container.
Preferably, the lid cover consists an upper lid cover and a lower lid cover.
The upper lid cover has a radius greater than r.
sub.
container such that the lid cover encloses the container and encompasses the top opening.
The lower lid cover has a radius less than r.
sub.
container such that it may fit within the top opening of the container.
The lid cover has a lid opening through which the mixing assembly can move radially and extend into the container.
Further included in the bioreactor is another lid opening in the lid cover for top loading the organic waste, and a side door in the container for discharging finished compost.
The mixing assembly comprises a motor, a reduction gearbox, and a mixing auger.
The motor is preferably detachably connected to the reduction gearbox, which is connected to the mixing auger.
The motor provides rotational movement to the mixing auger, which mixes the organic waste being held in the container.
The mixing auger is preferably configured in a manner such that it is operable to stir and lift the organic waste upward thereby fluffing the organic waste.
The reduction gearbox connects the motor to the mixing auger while reducing the rotational speed of the motor to the mixing auger.
In another embodiment of the invention, the container further includes an aeration system for promoting aerobic decomposition



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