B - Operations – Transporting – 03 – B
Patent
B - Operations, Transporting
03
B
196/17, 182/52
B03B 9/02 (2006.01) B01D 17/00 (2006.01) B01D 21/00 (2006.01) B01D 33/04 (2006.01) B01D 33/048 (2006.01)
Patent
CA 2033217
USE OF TWO OR MORE NESTED APERTURED ENDLESS BELTS WITH INVERTED ARCH BOTTOM FLIGHTS AND GENERALLY HORIZONTAL TOP FLIGHTS TO RECOVER BITUMEN AND MINERALS ABSTRACT A process and apparatus for the recovery of bitumen and bitumen wetted minerals from separating mixtures of bitumen, bitumen wetted minerals, water and water wetted minerals using two or more nested apertured endless belts on conveyor supports that support these belts to form top flights approaching generally horizontal paths above separating mixture and bottom flights in the form of or approaching inverted arches immersed in separating mixtures. Bitumen separates from a mixture, is captured by and adheres to belt surfaces as the mixtures passes through bottom flight apertures, and is conveyed to corresponding top flights where it falls off into receptacles and/or is washed off with water. Mixture that has passed through apertures of the bottom flight of a first belt may be passed through apertures of the bottom flight of a second belt, nested with the first belt, for additional bitumen capture, or is removed. Bitumen washed off with water from the top flights of a first and/or a second belt is removed for further processing or is passed to an inside enclosure that contains a third belt, nested with the first and/or second belts of the invention, to yield a final bitumen product that is low in hydrophilic minerals. Alternately, mixture may be introduced into the volume between the bottom flights of two nested belts and flow through the apertures of both bottom flights simultaneously.
Kruyer Jan
Kruyer Jan
LandOfFree
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