Cryogenic freezing system for rubber crumbs and other materials

Details Cryogenic freezing system for rubber crumbs and other materials Cryogenic freezing system for rubber crumbs and other materials

1995-11-03

1997-03-18

Capossela, Ronald C.

Refrigeration

Liquid contacting discrete commodity

With article conveyer or transporter

62303, 62380, F25D 1702

Patent

active

056112130

ABSTRACT:
A cryogenic freezing system having a cooling tunnel with an inlet end, an outlet end and a floor therebetween, a tank for a liquid cryogenic material and with an inlet end, an outlet end, and a floor therebetween, a first conveyor for moving crumb material along the tunnel floor for depositing crumb material into the tank, and a second conveyor for moving crumb material along the tank. The tank floor includes a ramp, with the second conveyor positioned to move the crumb material along the floor of the tank upward along the ramp out of the liquid cryogenic material prior to reaching the tank outlet end. The conveyors are endless belts of open material, with openings of a size to pass the crumb material so that the crumb material will fall through the conveyor onto the floors. Scraper blades are carried on the belts projecting outward from the conveyors to move along and in contact with the floors.

REFERENCES:
patent: 3101757 (1963-08-01), Hanson
patent: 3255608 (1966-06-01), Macintosh
patent: 3376710 (1968-04-01), Hirtensteiner
patent: 3485055 (1969-12-01), Webster et al.
patent: 3793937 (1974-02-01), Lipoma
patent: 4403479 (1983-09-01), Rasovich
patent: 4858445 (1989-08-01), Rasovich

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