Apparatus and methods for separating a fluid, with the apparatus including an inner drum wall disposed around and coupled to a shaft. The apparatus also includes an outer drum wall disposed around the inner drum wall, the outer drum wall being configured to rotate to separate a higher-density compon
Apparatus and methods for separating a fluid, with the apparatus including an inner drum wall disposed around and coupled to a shaft. The apparatus also includes an outer drum wall disposed around the inner drum wall, the outer drum wall being configured to rotate to separate a higher-density component of the fluid from a lower-density component of the fluid. The apparatus further includes a first radial vane disposed between the inner drum wall and the outer drum wall and having first contours configured to turn the fluid in at least one of a radially-inward direction and a radially-outward direction. The apparatus also includes a housing at least partially surrounding the outer drum wall and configured to receive the high-density component of the fluid therefrom.
대표청구항▼
1. An apparatus for separating a fluid, comprising: an inner drum wall disposed around and coupled to a shaft;an outer drum wall disposed around the inner drum wall, the outer drum wall being configured to rotate to separate a higher-density component of the fluid from a lower-density component of t
1. An apparatus for separating a fluid, comprising: an inner drum wall disposed around and coupled to a shaft;an outer drum wall disposed around the inner drum wall, the outer drum wall being configured to rotate to separate a higher-density component of the fluid from a lower-density component of the fluid;a first radial vane disposed between the inner drum wall and the outer drum wall and having first contours configured to turn the fluid in at least one of a radially-inward direction and a radially-outward direction; anda housing at least partially surrounding the outer drum wall and configured to receive the high-density component of the fluid therefrom. 2. The apparatus of claim 1, wherein the first contours comprise first prominences where the first radial vane extends radially-outward and first depressions where the first radial vane extends radially-inward. 3. The apparatus of claim 2, wherein the first radial vane has drainage ports defined radially therethrough. 4. The apparatus of claim 3, wherein the drainage ports are located at the first prominences. 5. The apparatus of claim 3, further comprising struts extending between the inner and outer drum walls and coupled to the first radial vane, at least one of the struts defining a drainage duct fluidly communicating with at least one of the drainage ports. 6. The apparatus of claim 2, wherein the first prominences and the first depressions alternate proceeding axially. 7. The apparatus of claim 1, further comprising a second radial vane disposed around the first radial vane, spaced radially therefrom, and having second contours configured to direct the fluid in at least one of the radially-inward direction and the radial-outward direction. 8. The apparatus of claim 7, wherein the inner drum wall, the first radial vane, and the second radial vane rotate along with the outer drum wall. 9. The apparatus of claim 7, wherein: the first contours comprise first prominences where the first radial vane extends radially-outward and first depressions where the first radial vane extends radially-inward; andthe second contours comprise second prominences where the second radial vane extends radially-outward and first depressions where the second radial vane extends radially-inward, the first and second prominences being axially-aligned, and the first and second depressions being axially-aligned. 10. The apparatus of claim 1, wherein the inner drum wall defines inner drum prominences where the inner drum wall extends radially-outward, and inner drum depressions where the inner drum wall extends radially-inward. 11. The apparatus of claim 1, wherein the shaft is connected to the inner drum wall with a magnetic bearing. 12. The apparatus of claim 1, wherein the first contours are configured to turn the fluid 30 degrees in the radial-inward direction and 30 degrees in the radial-outward direction. 13. A method for separating a fluid, comprising: introducing a fluid to flow passages defined in a rotatable drum, one of the flow passages being an inter-vane flow passage defined between first and second radial vanes disposed in the rotatable drum;turning the fluid in the inter-vane flow passage in a radially-inward direction using the first and second radial vanes, to partially separate a higher-density component of the fluid from a lower-density component thereof;turning the fluid in the inter-vane flow passage in a radially-outward direction using the first and second radial vanes, to separate the higher-density component from the lower-density component; androtating the rotatable drum to urge the high-density component toward a housing disposed around the rotatable drum. 14. The method of claim 13, further comprising: collecting the higher-density component separated by turning the fluid in the inter-vane flow passage toward the radially-inward direction and by turning the fluid in the intervene flow passage toward the radially-outward direction on least one of the first and second radial vanes; anddraining the higher-density component collected on the at least one of the first and second radial vanes through ports defined through at least one of the first and second radial vanes. 15. The method of claim 14, wherein draining the higher-density component comprises collecting the high-density component in a drainage conduit aligned with at least one of the drainage ports, the drainage conduit being defined in a strut that connects at least the first and second radial vanes together. 16. The method of claim 13, wherein rotating the rotatable drum comprises: swirling the fluid with swirling structures located proximal an upstream end of the drum; andsupporting the drum with a shaft connected to the drum with a bearing. 17. The method of claim 13, further comprising magnetically supporting the drum on a shaft. 18. A fluid separator, comprising: a rotatable drum including inner and outer drum walls, the inner drum wall coupled to a shaft, the rotatable drum configured to receive a fluid at an upstream end, and to discharge the fluid at a downstream end and to rotate to separate a liquid from the fluid;a radial vane pack disposed between the inner and outer drum walls and comprising radial vanes extending from proximal the upstream end to proximal the downstream end, each of the radial vanes having contours configured to turn the fluid at least one of 30 degrees in a radially-inward direction and 30 degrees in a radially-outward direction, and each of the radial vanes defining at least one drainage port extending radially therethrough;struts extending at least partially between the inner and outer drum walls, each of the struts coupled to at least one of the radial vanes and defining a drainage duct in fluid communication with at least one of the drainage ports; anda housing at least partially surrounding the outer drum wall and being configured to receive the liquid separated by the drum. 19. The fluid separator of claim 18, wherein the contours of each of the radial vanes comprise prominences and depressions, the prominences of each of the radial vanes being axially-aligned and the depressions of each of the radial vanes being axially-aligned to define tortuous flow passages between the radial vanes. 20. The fluid separator of claim 19, wherein the inner drum wall includes circumferentially-extending contours comprising prominences axially-aligned with the prominences of the radial vanes and depressions axially-aligned with the depressions of the radial vanes to define a tortuous flow passage between the radial vane pack and the inner drum wall.
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