Multi-phase pump system and method of pumping a two-phase fluid stream
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F04B-023/08
F04F-005/24
F04F-005/54
E21B-043/36
F17D-001/00
출원번호
US-0782595
(2013-03-01)
등록번호
US-9879663
(2018-01-30)
발명자
/ 주소
Ellis, Michael C.
출원인 / 주소
Advanced Cooling Technologies, Inc.
대리인 / 주소
McNees Wallace & Nurick LLC
인용정보
피인용 횟수 :
0인용 특허 :
30
초록▼
A multi-phase pump system and method that directs incoming two-phase flow into a fixed cylinder that contains a vortical flow. The system includes a momentum-driven, vortex phase separator, the phase separator accepting liquid-gas flows at any ratio from all liquid to all gas. The pump system also i
A multi-phase pump system and method that directs incoming two-phase flow into a fixed cylinder that contains a vortical flow. The system includes a momentum-driven, vortex phase separator, the phase separator accepting liquid-gas flows at any ratio from all liquid to all gas. The pump system also includes a liquid prime mover; a gas prime mover; and a control system. The vortical flow is driven by injecting the two-phase or another fluid stream tangent or approximately tangent to the curved surface of the cylindrical chamber. Inertial forces generated within the vortical flow drive a buoyancy-driven separation process within the cylindrical chamber. Single-phase prime movers are then used to pump the separated phases to a higher pressure.
대표청구항▼
1. A multi-phase pump system for directing a two-phase flow, the multi-phase pump system comprising: a gravity-independent momentum-driven, vortex phase separator, the phase separator having a two-phase flow inlet accepting incoming liquid-gas flows at any quality from all liquid to all gas, the sep
1. A multi-phase pump system for directing a two-phase flow, the multi-phase pump system comprising: a gravity-independent momentum-driven, vortex phase separator, the phase separator having a two-phase flow inlet accepting incoming liquid-gas flows at any quality from all liquid to all gas, the separator having the liquid-gas flows being centripetally accelerated to produce a momentum driven vortical flow to drive a buoyancy driven separation process which separates a single phase vortical liquid flow from a single phase vortical gas flow, the separator having a liquid outlet for removing the single phase vortical liquid flow from the separator and a gas outlet for removing the single phase vortical gas flow from the separator;a liquid prime mover which receives liquid from the liquid outlet;a gas prime mover which receives gas from the gas outlet and which is independent from the liquid prime mover;a volume buffer provided between the two-phase flow inlet and a baffle spaced from the liquid outlet and the gas outlet;a control system;the gas prime mover and the liquid prime mover operate independently, the gas prime mover interacts with gas flow separated from the incoming liquid-gas flows to drive the gas flow at independent rates and qualities from the incoming liquid-gas flows, the liquid prime mover interacts with liquid flow separated from the incoming liquid-gas flows to drive the liquid flow at independent rates and qualities from the incoming liquid-gas flows and independent from the gas flow;wherein the momentum driven vortical flow is facilitated by injecting a fluid stream other than the two-phase flow tangent or approximately tangent to the curved surface of the cylindrical chamber of the fixed cylinder. 2. The multi-phase pump system as recited in claim 1, wherein the momentum-driven, vortex phase separator is a fixed cylinder that contains the momentum driven vortical flow. 3. The multi-phase pump system as recited in claim 2, wherein the vortical flow is driven by injecting the two-phase flow tangent or approximately tangent to the curved surface of a cylindrical chamber of the fixed cylinder. 4. The multi-phase pump system as recited in claim 2, wherein an injected flow is centripetally accelerated to generate centrifugal forces and develop a pressure gradient to drive a buoyancy-driven separation process within a cylindrical chamber of the fixed cylinder. 5. The multi-phase pump system as recited in claim 1, wherein the all gas is a saturated vapor of a liquid. 6. The multi-phase pump system as recited in claim 1, wherein the liquid prime mover is a pump. 7. The multi-phase pump system as recited in claim 1, wherein the gas prime mover is a compressor. 8. The multi-phase pump system as recited in claim 1, wherein a gas flow rate of gas separated by the momentum-driven, vortex phase separator is controlled by a back-pressure regulator located between a gas outlet of the momentum-driven, vortex phase separator and the gas prime mover. 9. The multi-phase pump system as recited in claim 1, wherein a liquid flow rate of a liquid separated by the momentum-driven, vortex phase separator is controlled by a back-pressure regulator located after the liquid prime mover. 10. The multi-phase pump system as recited in claim 1, wherein subcooling required for the liquid prime mover is provided by an eductor. 11. The multi-phase pump system as recited in claim 1, wherein subcooling required for the liquid prime mover is provided using a heat exchanger that cools the liquid. 12. The multi-phase pump system as recited in claim 1, wherein the momentum-driven, vortex phase separator includes a cylindrical separation chamber, a tangential inlet nozzle, a baffle plate, and liquid and gas outlets. 13. The multi-phase pump system as recited in claim 12, wherein the baffle plate prevents a gas phase from interacting with the liquid outlet, whereby the momentum-driven, vortex phase separator can accommodate a significant variation in the amount of a liquid phase. 14. A multi-phase pump system for directing a two-phase flow, the multi-phase pump system comprising: a gravity-independent momentum-driven, vortex phase separator, the phase separator having a two-phase flow inlet accepting incoming liquid-gas flows at any quality from all liquid to all gas, the separator having the liquid-gas flows being centripetally accelerated to produce a momentum driven vortical flow to drive a buoyancy driven separation process which separates a single phase vortical liquid flow from a single phase vortical gas flow, the separator having a liquid outlet for removing the single phase vortical liquid flow from the separator and a gas outlet for removing the single phase vortical gas flow from the separator;a liquid prime mover which receives liquid from the liquid outlet;a gas prime mover which receives gas from the gas outlet and which is independent from the liquid prime mover;a volume buffer provided between the two-phase flow inlet and a baffle spaced from the liquid outlet and the gas outlet;a control system;the gas prime mover and the liquid prime mover operate independently, the gas prime mover interacts with gas flow separated from the incoming liquid-gas flows to drive the gas flow at independent rates and qualities from the incoming liquid-gas flows, the liquid prime mover interacts with liquid flow separated from the incoming liquid-gas flows to drive the liquid flow at independent rates and qualities from the incoming liquid-gas flows and independent from the gas flow;wherein subcooling required for the liquid prime mover is provided by an eductor.
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