F - Mech Eng,Light,Heat,Weapons – 26 – B
Patent
F - Mech Eng,Light,Heat,Weapons
26
B
F26B 25/04 (2006.01) C02F 11/12 (2006.01) C02F 11/18 (2006.01) F26B 17/02 (2006.01) F26B 17/04 (2006.01)
Patent
CA 2192010
An apparatus and a method 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.
Alar Engineering Corporation
Cassan Maclean
LandOfFree
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