Furnaces – Process – Treating fuel constituent or combustion product
Patent
1989-02-24
1991-05-28
Yuen, Henry C.
Furnaces
Process
Treating fuel constituent or combustion product
110238, 110224, 110222, 110346, F23G 533
Patent
active
050184563
ABSTRACT:
A system for disposing of sludge by using the sludge as a primary source of fuel for its disposition by combustion thereof in which a mass of liquified sludge is processed to reduce the solids to a predetermined size for use as the fuel and concurrently separating a substantial portion of the contained liquid, delivering the processed solids and liquids to a combustor for converting the solids to ash and converting the liquids to vapor, introducing ambient air to the combustor to support combustion of the solids while employing a portion of the ambient air to the combustor for removing the vapor at a temperature below the temperature at which the solids are reduced to ash, utilizing a portion of the vapor removed from the combustor to initiate vaporization of the liquid in the mass of liquified sludge being processed initially, using a part of the removed vapor to enter into a heat exchange relationship with the ambient air prior to its being admitted to the combustor, and releasing excess vapor to the ambient atmosphere at a temperature for sanitizing the released vapor to the ambient atmosphere.
REFERENCES:
patent: 2102427 (1937-12-01), Lloyd et al.
patent: 2148447 (1939-02-01), Dundas et al.
patent: 2213668 (1940-09-01), Dundas et al.
patent: 3826208 (1974-07-01), Williams
patent: 4121524 (1978-10-01), Voelskow et al.
Williams Patent Crusher and Pulverizer Company
Yuen Henry C.
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