A fluid level control apparatus for selectively controlling the movement of liquid flowing out of a flotation cell is described. The fluid level control apparatus is significantly reduced in size in comparison with the flotation cell or cells to which it is connected which enables less expensive con
A fluid level control apparatus for selectively controlling the movement of liquid flowing out of a flotation cell is described. The fluid level control apparatus is significantly reduced in size in comparison with the flotation cell or cells to which it is connected which enables less expensive construction and reduced operating costs in terms of both the equipment and the plant as a whole. The fluid level control apparatus comprises a vessel having a valve positioned therein which includes a valve body structured with a curved surface which provides selective and finite control of fluid flowing through the vessel of the control apparatus. In one embodiment at least one of the inlet and outlet of the control apparatus exhibit a cross-sectional area taken transverse to the intended fluid flow therethrough having a substantially horizontal dimension which is greater than a substantially vertical dimension.
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1. A device for selectively controlling discharge of underflow from a flotation cell, the device comprising:a vessel having a first interior chamber and a second interior chamber separated by a divider, the divider having an opening therein, wherein an interior surface of the vessel comprises at lea
1. A device for selectively controlling discharge of underflow from a flotation cell, the device comprising:a vessel having a first interior chamber and a second interior chamber separated by a divider, the divider having an opening therein, wherein an interior surface of the vessel comprises at least one transition surface, the at least one transition surface being configured to transition an intended fluid flow from a first direction to a second direction, a portion of the at least one transition surface exhibiting an arcuate geometry; a movable valve body positionable so as to abut a periphery of the opening; an inlet in fluid communication with the first interior chamber; and an outlet in fluid communication with the second interior chamber. 2. The device of claim 1, wherein a cross-sectional area exhibited by at least one of the inlet and the outlet includes a rectangular cross-sectional area.3. The device of claim 1, wherein at least one of the inlet and the outlet are configured to exhibit a cross-sectional area taken transversely to the intended fluid flow therethrough such that a first dimension along a substantially horizontal axis is greater than a second dimension along a substantially vertical axis.4. The device of claim 3, wherein the inlet and the outlet exhibit substantially different cross-sectional geometries but substantially similar cross-sectional areas as taken transverse to the intended fluid flow therethrough.5. The device of claim 1, wherein the arcuate geometry includes a partial toroidal geometry.6. The device of claim 1, wherein the at least one transition surface includes at least a first transition surface and a second transition surface, the at least a first transition surface being located within the first interior chamber and the second transition surface being located in the second interior chamber.7. The device of claim 6, wherein the movable valve body includes a surface which tapers outwardly from a top plane to a central plane and tapers back inwardly from the central plane to a bottom plane.8. The device of claim 7, wherein the movable valve body is positioned and oriented such that the intended fluid flow sequentially encounters the top plane, the central plane and then the bottom plane.9. The device of claim 7, wherein the movable valve body is configured to abut the periphery of the opening at a location on the surface of the movable valve body between the top plane and the central plane.10. The device of claim 1, wherein the movable valve body includes a surface which tapers outwardly from a top plane to a central plane and back inwardly from the central plane to a bottom plane.11. The device of claim 10, wherein the movable valve body is positioned and oriented such that the intended fluid flow sequentially encounters the top plane, the central plane and then the bottom plane.12. The device of claim 10, wherein the movable valve body is configured to abut the periphery of the opening at a location on the surface of the movable valve body between the top plane and the central plane.13. A system for separating solid particulates from a liquid phase of a slurry, the system comprising:a first flotation cell configured to hold a first volume of the slurry; a second flotation cell configured to hold a second volume of the slurry; a control apparatus comprising: a vessel having a first interior chamber and a second interior chamber separated by a divider, the divider having an opening therein, wherein an interior surface of the vessel comprises at least one transition surface, the at least one transition surface being configured to transition an intended fluid flow from a first direction to a second direction, a portion of the at least one transition surface exhibiting an arcuate geometry, a movable valve body positionable so as to abut a periphery of the opening, an inlet in fluid communication with the first flotation cell and the first interior chamber, and an outlet in fluid communication with the second flotation cell and the second interior chamber. 14. The system of claim 13, wherein at least one of the inlet and the outlet are configured to exhibit a cross-sectional area taken transversely to the intended fluid flow therethrough such that a first dimension along a substantially horizontal axis is greater than a second dimension along a substantially vertical axis.15. The system of claim 13, wherein the arcuate geometry includes a partial toroidal geometry.16. The system of claim 13, wherein the movable valve body includes a surface which tapers outwardly from a top plane to a central plane and tapers back inwardly from the central plane to a bottom plane.17. The system of claim 16, wherein the movable valve body is positioned and oriented such that the intended fluid flow sequentially encounters the top plane, the central plane and the bottom plane.18. The system of claim 16, wherein the movable valve body is configured to abut the periphery of the opening at a location on the surface of the movable valve body between the top plane and the central plane.19. The system of claim 14, wherein the inlet and the outlet exhibit substantially different cross-sectional geometries but substantially similar cross-sectional areas as taken transverse to the intended fluid flow therethrough.20. A device for selectively controlling discharge of underflow from a flotation cell, the device comprising:a vessel having a first interior chamber and a second interior chamber separated by a divider, the divider having an opening therein; a movable valve body positionable so as to abut a periphery of the opening; an inlet in fluid communication with the first interior chamber; and an outlet in fluid communication with the second interior chamber wherein at least one of the inlet and the outlet are configured to exhibit a cross-sectional area taken transversely to an intended fluid flow therethrough such that a first dimension along a substantially horizontal axis is greater than a second dimension along a substantially vertical axis. 21. The device of claim 20, wherein the cross-sectional area exhibited by at least one of the inlet and the outlet includes a rectangular cross-sectional geometry.22. The device of claim 20, wherein the movable valve body includes a surface which tapers outwardly from a top plane to a central plane and back inwardly from the central plane to a bottom plane.23. The device of claim 22, wherein the movable valve body is positioned and oriented such that the intended fluid flow sequentially encounters the top plane, the central plane and then the bottom plane.24. The device of claim 22, wherein the movable valve body is configured to abut the periphery of the opening at a location on the surface of the movable valve body between the top plane and the central plane.25. The device of claim 20, wherein the inlet and the outlet exhibit substantially different cross-sectional geometries but substantially similar cross-sectional areas as taken transverse to the intended fluid flow therethrough.
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이 특허에 인용된 특허 (22)
Jameson Graeme J. (New Lambton AUX), Column flotation method.
Chumak Fedor A. (Udachny SUX) Cherednik Vladimir N. (Mirny SUX) Zlobin Mikhail N. (Mirny SUX), Device for automatic regulation of the process of separating froth concentrate from gangue in a floatation machine.
Chumak Fedor A. (Novy gorod ; 6 ; kv.50. Udachny-1 SUX) Cherednik Vladimir N. (Ulitsa Lenina,20,kv.16. Mirny SUX) Zlobin Mikhail N. (ulitsa Pavlova,12,kv.1. Mirny SUX), Device for automatically controlling the process of separating froth concentrate from gangue in a floatation machine.
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