Furnaces – Ash receiving and handling devices – Fly ash disposers
Patent
1988-02-05
1988-12-13
Yuen, Henry C.
Furnaces
Ash receiving and handling devices
Fly ash disposers
110165R, 414373, F23J 100
Patent
active
047902507
ABSTRACT:
The invention is a dry ash handling system that allows ash to fall into a refractory lined ash car riding on rails in a sealed tunnel. The ash falls through a chute coupled to a negative pressure rotary combustor. Any unburned waste is allowed to continue burning in a burn-out chamber while, after removal from the chute because air is allowed to be pulled through the ash from the bottom by the negative pressure. When burn-out is complete, the ash is sprayed to quench any remaining smoldering embers. After removal from the tunnel, the car is sealed with a lid and allowed to cool further. During this period, samples can be removed from the car through sample ports. The car is transported to a landfill by a tilt bed truck and a hinged door on the car allows the ash to be dumped.
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Westinghouse Electric Corp.
Yuen Henry C.
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