Method to improve recovery and efficiency of adsorption processes using reversible blowers
원문보기
IPC분류정보
국가/구분 |
United States(US) Patent
등록
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국제특허분류(IPC7판) |
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출원번호 |
US-0822467
(2010-06-24)
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등록번호 |
US-8545603
(2013-10-01)
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발명자
/ 주소 |
- Maheshwary, Apurva
- Ambriano, John Robert
- Flaherty, James J
- Subramanian, Krishnamurti V
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출원인 / 주소 |
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대리인 / 주소 |
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인용정보 |
피인용 횟수 :
1 인용 특허 :
7 |
초록
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The present invention provides for a method utilizing adsorber bed(s) and reversible blower(s) operating in a vacuum pressure swing adsorption separation process to separate gases. The process is designed to provide a safer and more cost-effective adsorption system that captures and utilizes energy
The present invention provides for a method utilizing adsorber bed(s) and reversible blower(s) operating in a vacuum pressure swing adsorption separation process to separate gases. The process is designed to provide a safer and more cost-effective adsorption system that captures and utilizes energy typically wasted during equipment transitions thereby achieving overall higher power efficiency.
대표청구항
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1. An apparatus for producing oxygen comprising: two adsorber beds (D1,D2) each connected to at least one reversible blower (B1,B2) through isolation valves (1,2), an equalization line which has two valves (3,4) along with a buffer tank (E1), and two product valves (5,6); anda separate motor (M1,M2)
1. An apparatus for producing oxygen comprising: two adsorber beds (D1,D2) each connected to at least one reversible blower (B1,B2) through isolation valves (1,2), an equalization line which has two valves (3,4) along with a buffer tank (E1), and two product valves (5,6); anda separate motor (M1,M2) to drive each blower, powered by variable frequency drives (V1,V2) and connected to a super capacitor (SC);wherein a control method actuates rotating machinery associated with the at least one blower sequentially in clockwise and anticlockwise directions to supply air to the inlet of one bed while regenerating the other bed by removing adsorbed nitrogen using a vacuum. 2. The apparatus of claim 1, further comprising an additional purge line parallel to the equalization line. 3. The apparatus of claim 1, further comprising a feed isolation valve on each bed to prevent moisture ingress and to allow ease of maintenance. 4. The apparatus of claim 1, further comprising two or more layers of different adsorbent material in each adsorber bed. 5. A process for producing oxygen comprising: providing two adsorber beds (D1,D2) each connected to at least one reversible blower (B1,B2) through isolation valves (1,2), an equalization line which has two valves (3,4) along with a buffer tank (E1), and two product valves (5,6);providing a separate motor (M1,M2) to drive each blower, powered by variable frequency drives (V1,V2) and connected to a super capacitor (SC);executing a control method that actuates rotating machinery associated with the at least one blower sequentially in clockwise and anticlockwise directions to supply air to the inlet of one bed while regenerating the other bed by removing adsorbed nitrogen using a vacuum. 6. The process of claim 5, further comprising providing an additional purge line parallel to the equalization line. 7. The process of claim 5, further comprising providing a feed isolation valve on each bed to prevent moisture ingress and to allow ease of maintenance. 8. The process of claim 5, further comprising of two or more layers of different adsorbent material in each adsorber bed. 9. The process of claim 5, further comprising maintaining a preset maximum pressure and preset minimum pressure by varying machine speeds and operating at fixed cycle step times. 10. The process of claim 5, further comprising maintaining a preset maximum pressure and preset minimum pressure by varying cycle step times at constant machine speeds.
이 특허에 인용된 특허 (7)
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Means John E. (Kirkland WA), Atmosphere controlling method and apparatus for food storage.
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Brugerolle Jean-Renaud (Paris FRX) Monereau Christian (Paris FRX), Device and process for the separation of gas by adsorption.
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Smolarek James, PSA process and system using simultaneous top and bottom evacuation of absorbent bed.
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Tan Ziming ; Toppel Karl O., Process and apparatus for separating gas mixtures.
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Hirooka Eiji (Osaka JPX) Wheatland Jeremy P. (Guildford NJ GB2) Doong Shain-Jer (Berkeley Heights NJ), Process for producing oxygen enriched product stream.
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Bassine Stuart, Valve free oxygen concentrator.
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Bassine,Stuart, Valve-free oxygen concentrator featuring reversible compressors.
이 특허를 인용한 특허 (1)
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Morioka, Hajime; Utaki, Takahisa, Enrichment system for combustible gas.
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