Tar sands conditioning drum

Details Tar sands conditioning drum Tar sands conditioning drum

C - Chemistry, Metallurgy

10

G

196/30

C10G 1/00 (2006.01) F26B 11/02 (2006.01)

Patent

CA 1058542

TAR SANDS CONDITIONING DRUMS Abstract of the Disclosure 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 and lumps, water and caustic and at its outlet end for reaction of oversize, said axial opening at the outlet end being delimited by a grated peripheral opening for discharge of the tar sands 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. - 1 -

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