F - Mech Eng,Light,Heat,Weapons – 22 – D
Patent
F - Mech Eng,Light,Heat,Weapons
22
D
122/35
F22D 7/00 (2006.01) B09B 5/00 (2006.01) F23J 1/02 (2006.01) F23J 1/06 (2006.01)
Patent
CA 1208506
REMOTE DEWATERING SCRAPER CONVEYOR ABSTRACT OF THE INVENTION In combination, an ash disposal system including a furnace (10) having an opening in the bottom thereof in which ash bearing fuel is burned, a water filled hopper (12) positioned beneath the furnace bottom opening, into which ash from the furnace falls, opening means in the hopper bottom through ash and water slurry can be discharged, gate means (14) for controlling the flow of slurry from the hopper, a water filled tank (24), first pipe means (22) having an inlet connected to the hopper opening means and an outlet which discharges into the tank, a clinker grinder (16) for reducing the size of the ash particles entering the first pipe means, first pump means (18) for pumping the slurry to the tank, a scraper conveyor (25) within the tank for removing the ash from the tank, a mechanical conveyor means (28,32) located adjacent the tank, being so situtated that the scraper conveyor deposits the ash onto the mechanical conveyor means, settling tank means (38,48), a second pipe means (36) having an inlet connected to the upper portion of the tank, and an outlet connected to the settling tank means, the settling tank means having bottom outlet means (40,52) connected (44) to the tank, and second pump means (42) for returning settled ash slurry back to the tank, the settling tank means also having upper outlet means (54,56) connected to the inlet (20) of the first pump means, so the clarified water from the settling tank means can be recycled and used for transporting the ash from the furnace to the tank.
426698
Bosso Alexander
Mikus William S.
Alstom Power Inc.
Smart & Biggar
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