A centrifuge for separating minerals by specific gravity is disclosed. The centrifuge rotates to circulate slurry across a collection region and to subject slurry in the collection region to centripetal forces that facilitate stratification within the collection region by the specific gravity of the constituent minerals of the slurry. Energy, such as acoustic energy, is coupled with the collection region and enhances the stratification by specific gravity within the collection region.

A centrifuge for separating minerals by specific gravity is disclosed. The centrifuge rotates to circulate slurry across a collection region and to subject slurry in the collection region to centripetal forces that facilitate stratification within the collection region by the specific gravity of the constituent minerals of the slurry. Energy, such as acoustic energy, is coupled with the collection region and enhances the stratification by specific gravity within the collection region.

A centrifuge for separating minerals by specific gravity is disclosed. The centrifuge rotates to circulate slurry across a collection region and to subject slurry in the collection region to centripetal forces that facilitate stratification within the collection region by the specific gravity of the constituent minerals of the slurry. Energy, such as acoustic energy, is coupled with the collection region and enhances the stratification by specific gravity within the collection region.

A centrifuge for separating minerals by specific gravity is disclosed. The centrifuge rotates to circulate slurry across a collection region and to subject slurry in the collection region to centripetal forces that facilitate stratification within the collection region by the specific gravity of the constituent minerals of the slurry. Energy, such as acoustic energy, is coupled with the collection region and enhances the stratification by specific gravity within the collection region.

A seal for a centrifuge for preventing material from leaking out of an effluent portion into a drive portion where the seal is disposed between a basket carrier and a drive portion, and the basket carrier is disposed between the effluent portion and the drive portion. The seal can also be disposed on a stiffener, the stiffener disposed between the basket carrier and the drive portion. A sealing arrangement for a centrifuge including a contact seal and a labyrinth disc, for preventing liquid from leaking out of an effluent portion into a product discharge outlet and for preventing material from entering into the effluent portion through the product discharge outlet. Also provided is a centrifuge incorporating the seal and/or the sealing arrangement.

A seal for a centrifuge for preventing material from leaking out of an effluent portion into a drive portion where the seal is disposed between a basket carrier and a drive portion, and the basket carrier is disposed between the effluent portion and the drive portion. The seal can also be disposed on a stiffener, the stiffener disposed between the basket carrier and the drive portion. A sealing arrangement for a centrifuge including a contact seal and a labyrinth disc, for preventing liquid from leaking out of an effluent portion into a product discharge outlet and for preventing material from entering into the effluent portion through the product discharge outlet. Also provided is a centrifuge incorporating the seal and/or the sealing arrangement.

A rotor bowl for use in a centrifugal concentrator for separating particulate material of higher specific gravity from a liquid slurry comprising a liquid and particulate material of different specific gravities, wherein the inner surface of the rotor bowl has an outwardly inclined migration surface and a capture zone above the migration surface, wherein the capture zone has a generally vertical annular wall located radially outwardly of the migration zone, and the generally vertical annular wall has a vibratory surface adapted to be selectively vibrated to thereby stratify particulate material or slurry located in contact with or adjacent to the vibratory surface within the capture zone to thereby permit the heavier concentrate to accumulate in the area closest to the wall of the capture zone. The vibratory surface may be the continuous inner liner of the capture zone, or separate vibrating surfaces may be provided on the surface of the inner liner in the capture zone.

The vibratory motion may be provided by one or more vibrators mounted radially outwardly of each vibratory surface. The rotor bowl may also comprise a plurality of springs mounted on the outer periphery of the vibrators and which are each biased to bear against the outer surface of a vibrator to offset centrifugal force so that each vibrator is kept in contact with the vibrating surface during rotation of the hollow bowl.

A rotor bowl for use in a centrifugal concentrator for separating particulate material of higher specific gravity from a liquid slurry comprising a liquid and particulate material of different specific gravities, wherein the inner surface of the rotor bowl has an outwardly inclined migration surface and a capture zone above the migration surface, wherein the capture zone has a generally vertical annular wall located radially outwardly of the migration zone, and the generally vertical annular wall has a vibratory surface adapted to be selectively vibrated to thereby stratify particulate material or slurry located in contact with or adjacent to the vibratory surface within the capture zone to thereby permit the heavier concentrate to accumulate in the area closest to the wall of the capture zone. The vibratory surface may be the continuous inner liner of the capture zone, or separate vibrating surfaces may be provided on the surface of the inner liner in the capture zone.

The vibratory motion may be provided by one or more vibrators mounted radially outwardly of each vibratory surface. The rotor bowl may also comprise a plurality of springs mounted on the outer periphery of the vibrators and which are each biased to bear against the outer surface of a vibrator to offset centrifugal force so that each vibrator is kept in contact with the vibrating surface during rotation of the hollow bowl.

A centrifuge for separating minerals by specific gravity is disclosed. The centrifuge rotates to circulate slurry across a collection region and to subject slurry in the collection region to centripetal forces that facilitate stratification within the collection region by the specific gravity of the constituent minerals of the slurry. Energy, such as acoustic energy, is coupled with the collection region and enhances the stratification by specific gravity within the collection region.

A centrifuge for separating minerals by specific gravity is disclosed. The centrifuge rotates to circulate slurry across a collection region and to subject slurry in the collection region to centripetal forces that facilitate stratification within the collection region by the specific gravity of the constituent minerals of the slurry. Energy, such as acoustic energy, is coupled with the collection region and enhances the stratification by specific gravity within the collection region.