Dry bottom ash handling system

Details Dry bottom ash handling system Dry bottom ash handling system

1996-12-30

1998-07-07

Bennett, Henry A.

Furnaces

Combined

With boiler

110105, 110106, 110165R, 110251, 110259, 432 78, F23B 700

Patent

active

057752370

ABSTRACT:
A dry bottom ash handling system contemplates a plurality of hoppers disposed beneath a solid fuel-fired steam boiler. Each hopper includes angled walls converging at a generally rectangular opening controlled by a grate door. Air inlets are provided at intersections between adjacent angled walls to (1) facilitate combustion of unburned fuel in the storage hopper, and (2) facilitate flow of ash through the hopper opening. Ash flowing through the hopper opening enters a crusher and is then conveyed via a vacuum line to a point of disposal including a mobile tank truck that receives heavier ash particles and allows bypassing of lighter particles to a silo.

REFERENCES:
patent: 4041906 (1977-08-01), Edwards
patent: 4401276 (1983-08-01), Arbie, Sr.
patent: 4655404 (1987-04-01), Deklerow
patent: 4693189 (1987-09-01), Powers
patent: 4728288 (1988-03-01), Niems
patent: 5255615 (1993-10-01), Magaldi
patent: 5406747 (1995-04-01), Kiefl
patent: 5526990 (1996-06-01), Chow et al.
patent: 5632863 (1997-05-01), Meador

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