Fluidized-bed incinerator

Details Fluidized-bed incinerator Fluidized-bed incinerator

1993-11-09

1995-01-10

Favors, Edward G.

Furnaces

Refuse incinerator

Refuse suspended in or supported by a fluid medium

110229, 422142, F23G 500

Patent

active

053797051

ABSTRACT:
Waste materials including chlorine compounds are charged into a fluidized-bed gasification furnace having a first fluidized bed of which fluidizing medium comprises CaO. HCl produced from the waste materials is reacted with CaO which is the fluidizing medium and changed into CaCl.sub.2, and then discharged from a discharge pipe together with unburned materials. Gas generated as a result of the above-described reaction flows together with CaCO.sub.3, which is supplied into a second fluidized bed of a fluidized-bed combustion furnace located above, and are burned within the second fluidized bed. CaO is supplied from the second fluidized bed into the first fluidized bed via a supply pipe. In this manner, HCl produced from the waste materials is effectively removed.

REFERENCES:
patent: 4435148 (1984-03-01), Moss
patent: 4682567 (1987-07-01), Garcia-Mallol et al.
patent: 4815418 (1989-03-01), Maeda et al.
patent: 4823712 (1989-04-01), Wormer

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