Incinerator

Details Incinerator Incinerator

F - Mech Eng,Light,Heat,Weapons

23

G

110/10

F23G 5/00 (2006.01) F23G 5/18 (2006.01) F23G 5/44 (2006.01) F23J 1/02 (2006.01) F23L 15/00 (2006.01) F23M 5/08 (2006.01)

Patent

CA 1252671

INCINERATOR Abstract of the Disclosure An incinerator for burning waste material. The incinerator includes an outer steel housing having a refractory liner that defines a combustion chamber. A series of channels are secured to the inner surface of the housing and provide vertical air flow passages. The lower ends of the passages are open to the atmosphere, while the upper ends are connected to a plenum and air is drawn through the passages by a blower to thereby preheat the air and cool the outer housing. A portion of the pre-heated air is directed to the stack for second- ary combustion purposes, while a second portion of the preheated air is returned through vertical passages in the end of the housing to a pair of lower plenums and then introduced into the lower end of the combustion chamber for primary combustion purposes. The invention also has an improved feed assembly for feeding waste material to the combustion chamber. The feed assembly includes a hopper and a ram is movable within the hopper to move waste material to the combustion chamber. The hopper is operated through a triple hydraulic cylinder unit which is more compact and efficient than feeding mechanisms as used in the past. The invention also incorporates an ash removal rake to periodically remove ash from the lower portion of the combustion chamber. The rake is in the form of an open bottom casing having a pivotable door at its forward end. The ash rake is pushed across the floor of the combustion chamber and as the rake is moved, the ash being encountered will pivot the door inwardly to fill the casing with ash. The door is then moved to a closed position, and the rake withdrawn from the combustion chamber carrying a quantity of ash which can be dumped to a collection site outside of the incinerator.

493409

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