[특허]Pressure swing adsorption system with indexed rotatable multi-port valves

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특허 상세정보

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내보내기 페이스북 공유 트위터 공유 카카오톡 공유

Pressure swing adsorption system with indexed rotatable multi-port valves

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B01D-053/02
미국특허분류(USC)	096/116; 096/124; 096/130; 096/143
출원번호	UP-0751866 (2007-05-22)
등록번호	US-7854793 (2011-02-14)
발명자 / 주소	Rarig, David Lester Whitley, Roger Dean LaBuda, Matthew James
대리인 / 주소	Jones, II, Willard
인용정보	피인용 횟수 : 15 인용 특허 : 24

초록
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Pressure swing adsorption system comprising two or more vessels, each having a feed end, a product end, and adsorbent material adapted to adsorb one or more components from a multi-component feed gas mixture; piping adapted to (1) introduce the feed gas mixture into the feed ends, withdraw a product gas from the product ends, and withdraw a waste gas from the feed ends of the vessels, and (2) place the product ends of any pair of vessels in flow communication; a feed pipe adapted to supply the feed gas mixture to the system; a product pipe adapted to withdraw the product gas from the system; and a waste gas pipe adapted to withdraw the waste gas from the system. An indexed rotatable multi-port valve is adapted to place the product end of each vessel in sequential flow communication with the product end of each of the other vessels.

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The invention claimed is: 1. A pressure swing adsorption system comprising (a) two or more vessels, each vessel having a feed end, a product end, and adsorbent material adapted to adsorb one or more components from a multi-component feed gas mixture; (b) piping adapted to introduce the feed gas mixture into the feed ends of the vessels, piping adapted to withdraw a product gas from the product ends of the vessels, piping adapted to place the product ends of any pair of vessels in flow communication, and piping adapted to withdraw a waste gas from the feed ends of the vessels; (c) a feed pipe adapted to supply the feed gas mixture to the system, a product pipe adapted to withdraw the product gas from the system, and a waste gas pipe adapted to withdraw the waste gas from the system; and (d) an indexed rotatable multi-port valve adapted to place the product end of each vessel in sequential flow communication with the product end of each of the other vessels. 2. The system of claim 1 comprising an indexed rotatable multi-port feed valve adapted to place the feed pipe in sequential flow communication with the feed end of each vessel. 3. The system of claim 2 comprising an indexed rotatable multi-port waste gas valve adapted to place the waste gas valve in sequential flow communication with the feed end of each vessel. 4. The system of claim 1 comprising an indexing valve drive motor adapted to drive the indexed rotatable multi-port product valve and a timer adapted to control the indexing valve drive motor. 5. The system of claim 3 comprising an indexing valve drive motor adapted to drive any of the indexed rotatable multi-port feed gas valve and the indexed rotatable multi-port product waste gas valve, and a timer adapted to control the indexing valve drive motor. 6. The system of claim 1 comprising a feed gas blower adapted to provide pressurized feed gas to the feed gas pipe. 7. The system of claim 6 comprising a waste gas evacuation blower adapted to withdraw waste gas from the waste gas pipe. 8. The system of claim 1 having four vessels. 9. The system of claim 1 comprising two or more check valves, each check valve being disposed between the product end of a respective vessel and the product pipe, wherein each check valve is adapted to allow product gas flow from the product end of the respective vessel into the product pipe and to prevent product gas flow from the product pipe into the product end of the respective vessel. 10. A pressure swing adsorption system comprising (a) first, second, third, and fourth vessels, each vessel having a feed end, a product end, and adsorbent material adapted to adsorb a selected component from a feed gas mixture; (b) piping adapted to introduce the feed gas mixture into the feed ends of the vessels, piping adapted to withdraw a product gas from the product ends of the vessels, piping adapted to place the product ends of any pair of vessels in flow communication, and piping adapted to withdraw a waste gas from the feed ends of the vessels; (c) a feed pipe adapted to supply the feed gas mixture to the system, a product pipe adapted to withdraw the product gas from the system, and a waste gas pipe adapted to withdraw the waste gas from the system; and (d) an indexed rotatable multi-port product valve having eight indexed positions wherein (1) in a first indexed position the valve is adapted to place the product ends of the second and fourth vessels in flow communication; (2) in a second indexed position the valve is adapted to place the product ends of the third and fourth vessels in flow communication and to place the product ends of the first and second vessels in flow communication; (3) in a third indexed position the valve is adapted to place the product ends of the first and third vessels in flow communication; (4) in a fourth indexed position the valve is adapted to place the product ends of the first and fourth vessels in flow communication and to place the product ends of the second and third vessels in flow communication; (5) in a fifth indexed position the valve is adapted to place the product ends of the second and fourth vessels in flow communication; (6) in a sixth indexed position the valve is adapted to place the product ends of the first and second vessels in flow communication and to place the product ends of the third and fourth vessels in flow communication; (7) in a seventh indexed position the valve is adapted to place the product ends of the first and third vessels in flow communication; and (8) in an eighth indexed position the valve is adapted to place the product ends of the first and fourth vessels in flow communication and to place the product ends of the second and third vessels in flow communication. 11. The system of claim 10 wherein the valve is adapted to (1) prevent flow communication between the product ends of the first and third vessels when the valve is in the first and fifth indexed positions and (2) prevent flow communication between the product ends of the second and fourth vessels when the valve is in the third and seventh indexed positions. 12. The system of claim 10 comprising an indexed rotatable multi-port feed gas valve having four indexed positions wherein (1) in a first indexed position, the feed gas valve is adapted to place the feed pipe in flow communication with the feed end of the first vessel while the indexed rotatable multi-port product valve is in its first and second indexed positions; (2) in a second indexed position following (1) above, the feed gas valve is adapted to place the feed pipe in flow communication with the feed end of the second vessel while the indexed rotatable multi-port product valve is in its third and fourth indexed positions; (3) in a third indexed position following (2) above, the feed gas valve is adapted to place the feed pipe in flow communication with the feed end of the third vessel while the indexed rotatable multi-port product valve is in its fifth and sixth indexed positions; and (4) in a fourth indexed position following (3) above, the feed gas valve is adapted to place the feed pipe in flow communication with the feed end of the fourth vessel while the indexed rotatable multi-port product valve is in its seventh and eighth indexed positions. 13. The system of claim 12 comprising an indexed rotatable multi-port waste gas valve having four indexed positions wherein (1) in a first indexed position, the waste gas valve is adapted to place the waste gas pipe in flow communication with the feed end of the third vessel while the indexed rotatable multi-port product valve is in its first and second indexed positions; (2) in a second indexed position following (1) above, the waste gas valve is adapted to place the waste gas pipe in flow communication with the feed end of the fourth vessel while the indexed rotatable multi-port product valve is in its third and fourth indexed positions; (3) in a third indexed position following (2) above, the waste gas valve is adapted to place the waste gas pipe in flow communication with the feed end of the first vessel while the indexed rotatable multi-port product valve is in its fifth and sixth indexed positions; and (4) in a fourth indexed position following (3) above, the waste gas valve is adapted to place the waste gas pipe in flow communication with the feed end of the second vessel while the indexed rotatable multi-port product valve is in its seventh and eighth indexed positions. 14. The system of claim 10 wherein the adsorbent material comprises an adsorbent selected from the group consisting of CaA, NaX, CaX, LiX, and LiLSX.

이 특허에 인용된 특허 (24)

이 특허를 인용한 특허 피인용횟수: 15

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특허 상세정보

Pressure swing adsorption system with indexed rotatable multi-port valves

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Pressure swing adsorption system with indexed rotatable multi-port valves

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이 특허에 인용된 특허 (24)

이 특허를 인용한 특허 피인용횟수: 15

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