IPC분류정보
국가/구분 |
United States(US) Patent
등록
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국제특허분류(IPC7판) |
|
출원번호 |
US-0199777
(2002-07-19)
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발명자
/ 주소 |
- Hutchinson, Robert J.
- Dawson, Richard F.
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출원인 / 주소 |
- Walker-Dawson Interests, Inc.
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대리인 / 주소 |
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인용정보 |
피인용 횟수 :
9 인용 특허 :
35 |
초록
▼
An apparatus for separating liquid from a slurry comprised of a solid and a liquid is described. The apparatus comprises a container sized and configured to receive the slurry which container comprises a removable cover sized and configured to enclose an atmosphere within the container when the cove
An apparatus for separating liquid from a slurry comprised of a solid and a liquid is described. The apparatus comprises a container sized and configured to receive the slurry which container comprises a removable cover sized and configured to enclose an atmosphere within the container when the cover is attached to the container, a filter disposed within the container for separating the liquid from the slurry, and a vacuum pump in fluid communication with the enclosed atmosphere of the container which pump is configured to create a vacuum within the container that causes the liquid to move through the filter, which pump is configured to vacuum material comprised of solid material, liquid material, gas or a combination of two or more of the foregoing. Related methods of separating liquid from the slurry using the apparatus of the invention are also described.
대표청구항
▼
1. An apparatus for separating liquid from a slurry of at least one liquid and at least one solid, which comprises:(A) a container sized and configured to receive the slurry, the container comprising a removable cover sized and configured to enclose an atmosphere within the container when the cover
1. An apparatus for separating liquid from a slurry of at least one liquid and at least one solid, which comprises:(A) a container sized and configured to receive the slurry, the container comprising a removable cover sized and configured to enclose an atmosphere within the container when the cover is attached to the container; (B) a filter disposed within the container, for separating liquid in the slurry from solid material in the slurry by allowing liquid to move through the filter as filtrate; and (C) a vacuum pump in fluid communication with the enclosed atmosphere of the container, which pump is configured to create a vacuum within the container that causes the liquid to move through the filter, and which pump is configured to vacuum material comprised of solid material, liquid material, gas or a combination of two or more of the foregoing while maintaining a substantially continuous level of vacuum, wherein the pump comprises:(a) a nozzle assembly which is sized and configured to (i) receive a pressurized motive liquid and a gas, and (ii) eject the pressurized motive liquid as a motive liquid flow while feeding the gas into proximity with the periphery of the motive liquid flow; (b) a housing defining a suction chamber into which the nozzle assembly may eject the motive liquid flow, the housing further defining a suction inlet and a suction outlet; (c) an outlet pipe extending from the suction outlet away from the suction chamber, the outlet pipe being configured for fluid communication with the suction chamber and being disposed to receive the motive liquid flow; the outlet pipe defining at least a first inner diameter along a portion of its length and a second inner diameter along another portion of its length, the second inner diameter being less than the first inner diameter; and (d) a suction pipe, a first end of the suction pipe opening into the suction chamber at the suction inlet, and a second end of the suction pipe in fluid communication with the enclosed atmosphere of the container; and wherein the cover comprises a flexible non-porous material capable substantially conforming to the upper level of the slurry when the slurry is in the container.2. An apparatus according to claim 1 wherein the cover further comprises at least one closeable access port sized and configured to either receive slurry into the container or close during provision of the enclosed atmosphere.3. An apparatus according to claim 1 wherein the filtrate flows from the container into the motive liquid flow of the pump.4. An apparatus according to claim 1 wherein the filter comprises a first filter element and a second filter element, wherein the first filter element comprises a screen lining the container and wherein the second filter element comprises filter media disposed upon the first filter element.5. An apparatus according to claim 1 wherein the filter comprises a bag of liquid permeable material, the bag being sized and configured to receive the slurry as the slurry is received into the container.6. An apparatus according to claim 5 wherein the liquid permeable material is porous woven material.7. An apparatus according to claim 5 wherein the liquid permeable material is porous non-woven material.8. An apparatus according to claim 5 wherein the container comprises a transport container.9. An apparatus according to claim 1 wherein the container comprises a transport container.10. An apparatus for separating liquid from a slurry of at least one liquid and at least one solid, which comprises:(A) a container sized and configured to receive the slurry, the container comprising a removable cover sized and configured to enclose an atmosphere within the container when the cover is attached to the container; (B) a filter disposed within the container, for separating liquid in the slurry from solid material in the slurry by allowing liquid to move through the filter as filtrate; and (C) a vacuum pump in fluid communication with the enclosed atmosphere of the container, which pump is configured to create a vacuum within the container that causes the liquid to move through the filter, and which pump is configured to vacuum material comprised of solid material, liquid material, gas or a combination of two or more of the foregoing while maintaining a substantially continuous level of vacuum, wherein the pump comprises: (a) a nozzle assembly which is sized and configured to (i) receive a pressurized motive liquid and a gas, and (ii) eject the pressurized motive liquid as a motive liquid flow while feeding the gas into proximity with the periphery of the motive liquid flow; (b) a housing defining a suction chamber into which the nozzle assembly may eject the motive liquid flow, the housing further defining a suction inlet and a suction outlet; (c) an outlet pipe extending from the suction outlet away from the suction chamber, the outlet pipe being configured for fluid communication with the suction chamber and being disposed to receive the motive liquid flow; the outlet pipe defining at least a first inner diameter along a portion of its length and a second inner diameter along another portion of its length, the second inner diameter being less than the first inner diameter; and (d) a suction pipe, a first end of the suction pipe opening into the suction chamber at the suction inlet, and a second end of the suction pipe in fluid communication with the enclosed atmosphere of the container, wherein the container further comprises a plurality of outlet ports disposed around the container, which outlet ports are in fluid communication with the enclosed atmosphere and wherein at least one of the plurality of outlet ports is equipped with a valve to control fluid flow therethrough.11. An apparatus according to claim 10 wherein each of the plurality of outlet ports is sized and configured to be in fluid communication with the second end of the suction pipe of the pump.12. An apparatus according to claim 10 wherein the container comprises a transport container.13. An apparatus for separating liquid from a slimy of at least one liquid and at least one solid, which comprises:(A) a container sized and configured to receive the slurry, the container comprising a removable cover sized and configured to enclose an atmosphere within the container when the cover is attached to the container; (B) a filter disposed within the container, for separating liquid in the slurry from solid material in the slurry by allowing liquid to move through the filter as filtrate; and (C) a vacuum pump in fluid communication with the enclosed atmosphere of the container, which pump is configured to create a vacuum within the container that causes the liquid to move through the filter, and which pump is configured to vacuum material comprised of solid material, liquid material, gas or a combination of two or more of the foregoing while maintaining a substantially continuous level of vacuum, wherein the pump comprises: (a) a nozzle assembly which is sized and configured to (i) receive a pressurized motive liquid and a gas, and (ii) eject the pressurized motive liquid as a motive liquid flow while feeding the gas into proximity with the periphery of the motive liquid flow; (b) a housing defining a suction chamber into which the nozzle assembly may eject the motive liquid flow, the housing further defining a suction inlet and a suction outlet; (c) an outlet pipe extending from the suction outlet away from the suction chamber, the outlet pipe being configured for fluid communication with the suction chamber and being disposed to receive the motive liquid flow; the outlet pipe defining at least a first inner diameter along a portion of its length and a second inner diameter along another portion of its length, the second inner diameter being less than the first inner diameter; and (d) a suction pipe, a first end of the suction pipe opening into the suction chamber at the suction inlet, and a second end of the suction pipe in fluid communication with the enclosed atmosphere of the container, wherein the apparatus further comprises a collection tank located in series between the pump and the container which collection tank is in fluid communication with the second end of the suction pipe opening of the pump and with the enclosed atmosphere of the container such that the filtrate from the slurry within the container is caused to flow into the collection tank when the pump causes a vacuum to be created within the container.14. An apparatus according to claim 13 wherein the container further comprises a plurality of outlet ports disposed around the container, which outlet ports are in fluid communication with the enclosed atmosphere and wherein at least one of the plurality of outlet ports is equipped with a valve to control fluid flow therethrough.15. An apparatus according to claim 14 wherein each of the plurality of outlet ports is sized and configured to be in fluid communication with the collection tank.16. An apparatus according to claim 13 wherein the filter comprises a first filter element and a second filter element, wherein the first filter element comprises a screen lining the container and wherein the second filter element comprises filter media disposed upon the first filter element.17. An apparatus according to claim 13 wherein the filter comprises a bag of liquid permeable material, the bag being sized and configured to receive the shiny as the slurry is received into the container.18. An apparatus according to claim 17 wherein the liquid permeable material is porous woven material.19. An apparatus according to claim 17 wherein the liquid permeable material is porous non-woven material.20. An apparatus according to claim 13 wherein the cover further comprises at least one closeable access port sized and configured to either receive slurry into the container or close during provision of the enclosed atmosphere.21. An apparatus according to claim 13 wherein the container comprises a transport container.
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