Basket centrifuge
AssigneeThe De Laval Separator Company
InventorsErnest John Zitke, Donald Dickinson Horton
Life of this patent
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Abstract
A feed mixture of liquid and solids is delivered into a central nave at the lower portion of a basket mounted for rotation about a vertical axis. The nave is rigidly connected to the outer portion of the basket by spoke-like tubes in which the feed mixture is accelerated while flowing from the nave into a channel extending around the rotation axis and opening upwardly into the separating chamber in the basket's outer portion. To further reduce turbulence, the channel is closed at the top in the regions where the spoke-like tubes communicate with the channel. A discharge shoe in the basket is movable relative thereto to plow accumulated solids from the outer part of the separating chamber, so that the plowed solids fall through bottom openings of the basket between the spoke-like tubes.
Claims5
In a basket centrifuge for separating a feed mixture of liquid and solids, the combination of a basket mounted for rotation about a vertical axis and having an outer portion forming a separating chamber, the basket including a central nave at its lower portion and also including a plurality of spoke-like tubes secured at their inner ends to the nave and at their outer ends to said outer portion of the basket, the basket having bottom openings partly defined by said tubes, means including a stationary feed duct for delivering said mixture into said tubes at their inner ends, a discharger shoe movable relative to the basket for plowing accumulated solids from the outer portion of the separating chamber, whereby the plowed solids fall through said bottom openings, and means forming feed distribution passages leading from the outer ends of the tubes and opening upwardly into the separating chamber at regions offset laterally from the tubes and extending along the radially outer portions of said bottom openings.
Dependencies are inferred from the claim text.