Furnaces – Refuse incinerator – Rotary drum
Patent
1994-10-27
1996-10-08
Kwon, John T.
Furnaces
Refuse incinerator
Rotary drum
110255, 432107, 432114, A47J 3600
Patent
active
055620531
ABSTRACT:
A tunnel type incinerator with cylindrical inner and outer barrels which are rotated in opposite directions relative to each other. A large number of crushing blades or protrusions are disposed and engaged with each other in a spiral shape on the wall of the barrels, a hopper is disposed on a side of a hold member which is joined with the inner and outer barrels and a bucket is disposed on a lower opposite side of the hold member. Charged waste from the hopper is crushed on the crushing blades and moved to the front end portion of the barrel by a screw ribbon and burned up by the indirect heating of a combustion tube with burners, and a non combustioned gas tube is mounted over the hold member, such that the non combustioned gas produced in the inner and outer barrels is recycled to burn up the non combustioned gas. The combustion tube is mounted on inside walls of the inner and outer barrels in a zigzagged shape, thus the disintegrated and burnt waste are moved to a discharge opening and a discharge piece through an opening of the front end portion of the inner barrel, and moved to a re-charge inlet by a screw blender of a bucket installed on the hold member.
REFERENCES:
patent: 3916807 (1975-11-01), Eiki
patent: 4175335 (1979-11-01), Avril
patent: 4376343 (1983-03-01), White et al.
patent: 5338188 (1994-08-01), Yocum
patent: 5361708 (1994-11-01), Barnes
patent: 5390630 (1995-02-01), Virr
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