Mineral oils: apparatus – Vaporizing – Rotary
Patent
1987-11-09
1988-12-13
Bascomb, Wilbur
Mineral oils: apparatus
Vaporizing
Rotary
196121, 196135, 201 8, 201 19, 201 26, 201 30, 201 32, 202117, 202136, 202218, 202262, 208402, 208407, C10B 5306, C10G 102
Patent
active
047909102
ABSTRACT:
An apparatus and method for extracting hydrocarbons from tar sands. Stationary heater plates have a central opening therethrough through which a horizontal axle extends. Rotors having a central hub and a number of arms are splined on the axle, one closely sandwiched between every two heater plates. A ring is provided between the heater plates closely outward of the rotor arms. Sand retaining pockets are defined between adjacent arms of each rotor, the rotor hub, the ring and adjacent heater plates. Sand is retained in the sand retaining pockets for about one revolution about the axis between feed and removal positions. While retained in the pockets, the sand is heated and hydrocarbons driven off are collected.
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patent: 2640019 (1953-05-01), Berg
patent: 3377266 (1968-04-01), Salnikov
patent: 3849332 (1974-11-01), Bailey et al.
patent: 4187167 (1980-02-01), Havlik et al.
patent: 4280892 (1981-07-01), Havlik
patent: 4376033 (1983-03-01), Calderon
patent: 4389283 (1983-06-01), Calderon
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