Process and apparatus for withdrawing solids from a vessel

Details Process and apparatus for withdrawing solids from a vessel Process and apparatus for withdrawing solids from a vessel

1987-10-27

1989-08-22

Caldarola, Glenn

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Solids contacting and mixing

208173, 208146, 34 57R, 406142, C10G 1116

Patent

active

048593168

ABSTRACT:
A process for withdrawing solids from a vessel utilizing an inserted nozzle comprising an outer tube and one or more inner tube(s) retracted inside the outer tube, which process comprises introducing an entrainment liquid into the vessel upstream from a pick-area where the solids are withdrawn, introducing dilution transport liquid into the area for solids to be removed through the outer tube in such a way that it does not substantially infludence the flow of the solids and the entrainment liquid introduced upstream from the pick-up area, and withdrawing transport liquid and solids through the retracted inner tube(s).

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patent: 2567669 (1952-03-01), Weinrich
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patent: 4590045 (1986-05-01), Van Der Wal et al.
patent: 4664782 (1987-05-01), Galiasso et al.
Reed & Mason, Journal of Pipelines (5, 1985, 67-75), The Effect of Suction Nozzle Geometry on the Performance of Pneumatic Ship Unloaders.

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