Tar sands conditioning drum

Details Tar sands conditioning drum Tar sands conditioning drum

1975-04-03

1976-10-12

Gamby, John J.

Drying and gas or vapor contact with solids

Apparatus

Rotary drums or receptacles

34135, 34138, 209 11, 214 18K, F26B 1102

Patent

active

039849201

ABSTRACT:
A rotating drum type muller is described for initial conditioning of mined tar sands by the hot water method for separation of bitumen from the sands wherein ablation of mined tar sand lumps into pulp is effected through the addition of hot water, steam and caustic. This conditioning drum comprises a horizontally disposed cylindrical drum of a length to diameter ratio of about 1:1 or less, rotatable around its longitudinal axis and having axial openings at its inlet end for introduction of mined tar sand lumps, water and caustic and at its outlet end for rejection of oversize, said axial opening at the outlet end being delimited by a grated peripheral opening for discharge of the tar sand pulp in which the grate size is sufficient to allow ready passage of the tar sands pulp while retaining the oversize and a plurality of downwardly projecting steam conduits affixed to a stationary steam header extending substantially over the length of the drum interior along the longitudinal axis of the drum, said conduits being perforated for injecting steam into said cylindrical drum.

REFERENCES:
patent: 506916 (1893-10-01), De Kinder et al.
patent: 2034860 (1936-03-01), Dalin
patent: 3073449 (1963-01-01), Johanningmeier
patent: 3245154 (1966-04-01), Bojner et al.
patent: 3509641 (1970-05-01), Smith et al.
patent: 3742613 (1973-07-01), Gimborn

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