US3700103A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Recovery of minerals
Assignee: Individual
•
Filing: 1969-07-17
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Granted: 1972-10-24
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Expires: 1989-07-17
Abstract
Abstract Apparatus for treating ore pulp in a treatment cell attendant to recovery of minerals therefrom, the apparatus having a rotatable shaft with an attached impeller and a radially projecting annular disc, the disc including a plurality of projections attached thereto and a cylindrical collar disposed above the disc and joined thereto, thus forming a rotating standpipe so that the path of flow of ore pulp through the eye of the impeller is well defined. A stabilizer ring is joined to the cell adjacent the impeller so that a shear zone is developed in the ore pulp, the stabilizer ring being configurated to maximize turbulence in the shear zone and minimize surging and boiling of the ore pulp at the surface thereof. An insert is adapted to nest within a rectangular cell so that the rectangular cell operatively receives the stabilizer ring.
Inventors
- 👤 Walter C Giebel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 23:44
CPC Classifications
B; B03; B03D; B03D1/00; B03D1/14; B03D1/16; B01; B01F; B01F27/00; B01F27/80; B01F27/86; B01F35/00; B01F35/55; B03D1/1443; B03D1/1456; B03D1/1493
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
144 words
A mineral treating cell comprising a circular vat into which a mineral bearing pulp suspension and a treatment substance are disposed, the improvement comprising: an impeller non-rotatably carried upon a centrally disposed rotatable shaft, the impeller comprising a plurality of blades having a configuration so that when the impeller is rotated in the mineral suspension, the suspension will be thrown downwardly toward the bottom of the vat; and an agitator ring mounted upon the interior periphery of the vat adjacent the location of the impeller, the agitator ring comprising resiliently deformable essentially wedge-shaped segments the ends of which are spaced from the impeller blades so that as the impeller rotates within the mineral suspension, shear zones are developed by the agitator ring thereby generating maximum contact of treatment substance and minerals without excessive boiling of the suspension within the vat at the pulp surface.
Claim 2
Dependent Claim
144 words
A mineral treating cell comprising a circular vat into which a mineral bearing pulp suspension and a treatment substance are disposed, the improvement comprising: an impeller non-rotatably carried upon a centrally disposed rotatable shaft, the impeller comprising a plurality of blades having a configuration so that when the impeller is rotated in the mineral suspension, the suspension will be thrown downwardly toward the bottom of the vat; and an agitator ring mounted upon the interior periphery of the vat adjacent the location of the impeller, the agitator ring comprising resiliently deformable essentially wedge-shaped segments the ends of which are spaced from the impeller blades so that as the impeller rotates within the mineral suspension, shear zones are developed by the agitator ring thereby generating maximum contact of treatment substance and minerals without excessive boiling of the suspension within the vat at the pulp surface.
Claim 3
Dependent Claim
31 words
A cell as defined in claim 1 wherein said agitator ring is hollow, each segment having apertures communicating the hollow thereof with the exterior to minimize clogging the hollow with sediment.
Claim 4
Dependent Claim
15 words
A cell as defined in claim 2 wherein said segments are semi-circular in cross section.
Claim 5
Dependent Claim
15 words
A cell as defined in claim 2 wherein said segments are square in cross section.
Claim 6
Dependent Claim
36 words
A cell as defined in claim 2 wherein said segments have an upper surface comprising an inclined ramp surface with the highest point disposed adjacent the vat and the lowest point disposed adjacent the impeller path.
Claim 7
Dependent Claim
105 words
A cell as defined in claim 1 wherein said central shaft upon which the impellers are mounted comprises a cylindrical standpipe concentrically disposed around and spaced from the central shaft, at least the lower end of the standpipe being disposed within the treatment substance and pulp suspension adjacent the impellers; and means disposed at the upper end of the standpipe for delivering the fresh pulp suspension to the upper end of the standpipe so that pulp suspension is communicated directly therethrough to the rotating impeller blades for shearing of large air bubbles into small ones, and dispersion into and throughout openings in the agitator ring.
Claim 8
Dependent Claim
31 words
A cell as defined in claim 6 wherein the cylindrical standpipe is provided with spaced apertures at an axial location adjacent the surface level of the treatment substance and pulp suspension.
Claim 9
Dependent Claim
62 words
A cell as defined in claim 6 wherein the standpipe is concentrically spaced from the central shaft for rotation therewith and further comprising scoop means mounted upon the standpipe adjacent each spaced aperture so that the opening of the scoop means is in the direction of rotation of the standpipe to recirculate the pulp suspension through the standpipe to the impeller blades.
Claim 10
Dependent Claim
130 words
A mineral recovery apparatus comprising in combination a treatment cell adapted to receive a mineral suspension and a treatment substance; a rotatable impeller shaft centrally disposed within and spaced from the side and bottom of the cell; a hollow cylindrical collar concentrically spaced from the impeller shaft and non-rotatably associated therewith; an impeller non-rotatably mounted upon the shaft and cOmprising a plurality of radially projecting blades, each having an inverted triangular cross section for downwardly throwing the mineral suspension; and an annular disc having at least one aperture for passing the mineral suspension therethrough and being attached to and generally below the cylindrical standpipe for rotation therewith, the disc carrying on the underside thereof a plurality of downwardly projecting fingers disposed in spaced locations around the periphery of the disc.
Claim 11
Dependent Claim
130 words
A mineral recovery apparatus comprising in combination a treatment cell adapted to receive a mineral suspension and a treatment substance; a rotatable impeller shaft centrally disposed within and spaced from the side and bottom of the cell; a hollow cylindrical collar concentrically spaced from the impeller shaft and non-rotatably associated therewith; an impeller non-rotatably mounted upon the shaft and cOmprising a plurality of radially projecting blades, each having an inverted triangular cross section for downwardly throwing the mineral suspension; and an annular disc having at least one aperture for passing the mineral suspension therethrough and being attached to and generally below the cylindrical standpipe for rotation therewith, the disc carrying on the underside thereof a plurality of downwardly projecting fingers disposed in spaced locations around the periphery of the disc.
Claim 12
Dependent Claim
35 words
An apparatus as defined in claim 9 wherein said fingers are mounted upon the disc by structure accommodating selective removal of the fingers and replacement thereof by similar fingers in the event of structural damage.
Claim 13
Dependent Claim
41 words
An apparatus as defined in claim 9 further comprising radially spaced, downwardly projecting paddle blades rigidly secured to the underside of the disc adjacent the fingers and directed radially outward from the axis of the impeller shaft and the rotating standpipe.
Claim 14
Dependent Claim
93 words
A mineral treating cell comprising a vat into which mineral bearing pulp suspension and a treatment substance are disposed, the improvement comprising: a rotatable shaft and a disc member non-rotatably mounted upon the shaft, the disc member comprising (a) impeller blades spaced radially outward from the axis of the shaft, (b) at least one aperture adjacent the shaft, (c) a plurality of spaced depending fingers disposed adjacent the periphery thereof and (d) a standpipe non-rotatably mounted upon the disc member and spaced from the shaft for defining a flow path through the aperture.
Claim 15
Dependent Claim
93 words
A mineral treating cell comprising a vat into which mineral bearing pulp suspension and a treatment substance are disposed, the improvement comprising: a rotatable shaft and a disc member non-rotatably mounted upon the shaft, the disc member comprising (a) impeller blades spaced radially outward from the axis of the shaft, (b) at least one aperture adjacent the shaft, (c) a plurality of spaced depending fingers disposed adjacent the periphery thereof and (d) a standpipe non-rotatably mounted upon the disc member and spaced from the shaft for defining a flow path through the aperture.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-10-24 | 1976-04-24 | 1976-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-10-24 | 1980-04-24 | 1980-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-10-24 | 1984-04-24 | 1984-10-24 | $7700.00 | Window Closed / Lapsed |