Method and apparatus for the thermal treatment of waste material

Details Method and apparatus for the thermal treatment of waste material Method and apparatus for the thermal treatment of waste material

1989-10-02

1990-12-11

Yuen, Henry C.

Heating

Work chamber having heating means

Combustion products heat work by contact

432182, 432216, F27D 1700

Patent

active

049766112

ABSTRACT:
In a method for the thermal treatment of wastes (combustible, poorly combustible and incombustible), especially those which cannot be harmlessly dumped, air is preheated in a first regenerator (2) to a temperature of 800.degree. to 1200.degree. C. and fed through a first combustion chamber (7) to a melting vessel (6) into which wastes are dumped for thermal treatment. The flue gas from the melting vessel is fed through a second combustion chamber (7') to a second regenerator (2'). The two regenerators contain sections for thermal storage (3, 3'), for the adsorption (4, 4') of flue gas impurities and for the further treatment (5, 5') of the flue gas. The air and flue gas flow is reversible, i.e., air preheated in the second regenerator (2') is fed to the melting vessel (6) through the second combustion chamber (7'). The flue gas is fed through the first combustion chamber (7) to the first regenerator (2).

REFERENCES:
patent: 1739973 (1929-12-01), Mambourg
patent: 3870474 (1975-03-01), Houston
patent: 4375236 (1983-03-01), Tsai
patent: 4394122 (1983-07-01), Bueno et al.
patent: 4528012 (1985-07-01), Sturgill
patent: 4540361 (1985-09-01), Gagne
patent: 4579069 (1986-04-01), Gay et al.
patent: 4757770 (1988-07-01), Lisowyj et al.
patent: 4796545 (1989-01-01), Hashizaki et al.

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