Sludge processor
First Claim
1. An apparatus for applying heat to a stream of solid material, comprising:
- an elongate housing having an inlet opening at a first end and an outlet opening at a second end and a bottom surface holding said stream of solid material;
a means for heating said stream within said housing;
a conveyor mechanism located within said housing and extending between said first and second ends; and
a plurality of scraper tools extending downwardly from said conveyor mechanism and slidable along the bottom surface of said housing, said scrapers arranged intermittently longitudinally along said conveyor mechanism and laterally offset proceeding in a moving direction of said conveyor for laterally redirecting said stream of said solid material and urging said solid material from said first end to said second end with movement of said conveyor mechanism.
1 Assignment
0 Petitions
Accused Products
Abstract
An apparatus for drying and heating sludge to remove pathogens and to dry the sludge into a powder form which includes an elongate housing having an endless chain conveyor inside. The conveyor having outwardly extending scrapers for slowly urging solid material from one end of the housing to the other. The housing is heated to heat the sludge and a fan removes moisture laden air from within the housing. The scrapers are provided in rows and include specialized scrapers including plows, inclined paddles, and round rods to sequentially split, redirect, split, and redirect again the stream of sludge being urged through the housing. By so mixing the stream of sludge, cold and hot spots are avoided during heating and a build up of sludge on a floor of the housing is avoided.
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Citations
10 Claims
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1. An apparatus for applying heat to a stream of solid material, comprising:
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an elongate housing having an inlet opening at a first end and an outlet opening at a second end and a bottom surface holding said stream of solid material; a means for heating said stream within said housing; a conveyor mechanism located within said housing and extending between said first and second ends; and a plurality of scraper tools extending downwardly from said conveyor mechanism and slidable along the bottom surface of said housing, said scrapers arranged intermittently longitudinally along said conveyor mechanism and laterally offset proceeding in a moving direction of said conveyor for laterally redirecting said stream of said solid material and urging said solid material from said first end to said second end with movement of said conveyor mechanism. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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Specification