IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0565114
(2009-09-23)
|
등록번호 |
US-8252090
(2012-08-28)
|
발명자
/ 주소 |
- Haggerty, Sean
- Hatch, Guy
- Phan, Sanh
|
출원인 / 주소 |
- On Site Gas Systems, Inc.
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
1 인용 특허 :
10 |
초록
▼
A system and method is presented for reducing a concentration of ambient air used in a feed stream to form an inerting gas in a pressure swing adsorption system. The method includes introducing ambient air into a pressure swing adsorption system to form an inerting gas, introducing the inerting gas
A system and method is presented for reducing a concentration of ambient air used in a feed stream to form an inerting gas in a pressure swing adsorption system. The method includes introducing ambient air into a pressure swing adsorption system to form an inerting gas, introducing the inerting gas to a large volume of atmosphere, thereby inerting at least a portion of the large volume of atmosphere to form an inerted atmosphere, and removing a portion of the inerted atmosphere and introducing the portion of inerted atmosphere to the pressure swing adsorption system to form the inerting gas, thereby reducing an amount of ambient air utilized to form the inerting gas in the pressure swing adsorption system.
대표청구항
▼
1. A method for reducing a concentration of ambient air used in a feed stream to form an inerting gas in a pressure swing adsorption system, the method comprising: introducing ambient air into a pressure swing adsorption system to form an inerting gas;storing at least a portion of the inerting gas i
1. A method for reducing a concentration of ambient air used in a feed stream to form an inerting gas in a pressure swing adsorption system, the method comprising: introducing ambient air into a pressure swing adsorption system to form an inerting gas;storing at least a portion of the inerting gas in a storage vessel;introducing at least a portion of the stored inerting gas to a volume of atmosphere, thereby inerting at least a portion of the volume of atmosphere to form an inerted atmosphere;removing a portion of the inerted atmosphere and storing the portion of the inerted atmosphere in a storage vessel; andintroducing at least a portion of the stored inerted atmosphere to the pressure swing adsorption system to form the inerting gas, thereby reducing an amount of ambient air utilized to form the inerting gas in the pressure swing adsorption system. 2. A method according to claim 1, wherein the ambient air comprises a readily adsorbable component gas and a less readily adsorbable component gas. 3. A method according to claim 2, wherein the inerting gas comprises the less readily adsorbable component gas. 4. A method according to claim 3, wherein the less readily adsorbable component gas comprises nitrogen. 5. A method according to claim 1, wherein the volume of atmosphere is defined by an interior of at least one of a mine, a tunnel, a furnace, an autoclave, a storage tank and a subsurface portion of a landfill. 6. A method according to claim 5, wherein the inerted atmosphere prevents combustion within the interior. 7. A method according to claim 1, further comprising: adsorbing a readily adsorbable component gas present in the ambient air on an adsorbent bed located within the pressure swing adsorption system after the ambient air is introduced to the pressure swing adsorption system; andreleasing the less readily adsorbable component gas from the adsorbent bed to form the inerting gas. 8. A method according to claim 7, wherein after releasing the less readily adsorbable component gas from the adsorbent bed, selectively changing a pressure in the pressure swing adsorption system to depressurize the adsorbent to permit release of the more readily adsorbable component gas for cleansing the adsorbent bed. 9. A method according to claim 1, wherein the portion of the inerted atmosphere is introduced to the pressure swing adsorption system in conjunction with the ambient air. 10. A method according to claim 1, wherein the portion of the inerted atmosphere is introduced to the pressure swing adsorption system without introducing the ambient air to the pressure swing adsorption system. 11. A system for reducing an amount of ambient air utilized to form an inerting gas in a pressure swing adsorption system, the system comprising: at least one pressure swing adsorption system adapted to form an inerting gas from ambient air;a storage vessel for storing at least a portion of the inerting gas;a volume of atmosphere in fluid communication with the pressure swing adsorption system;a conduit for introducing the inerting gas to the volume of atmosphere to form an inerted atmosphere; anda feedback loop for introducing at least a portion of the inerted atmosphere to the pressure swing adsorption system to reduce an amount of ambient air utilized to form the inerting gas in the pressure swing adsorption system, the feedback loop having a storage vessel disposed therein for storage of at least a portion of the inerted atmosphere prior to introduction to the pressure swing adsorption system. 12. A system according to claim 11, wherein the ambient air comprises a more readily adsorbable component gas and a less readily adsorbable component gas. 13. A system according to claim 12, wherein the inerting gas comprises the less readily adsorbable component gas. 14. A system according to claim 13, wherein the less readily adsorbable component gas comprises nitrogen. 15. A system according to claim 11, wherein the volume of atmosphere is defined by an interior of at least one of a mine, a tunnel, a furnace, an autoclave, a storage tank and a subsurface portion of a landfill. 16. A system according to claim 15, wherein the inerting gas provides means for preventing combustion. 17. A system according to claim 11, wherein the pressure swing adsorption system comprises at least two adsorbent beds. 18. A system according to claim 17, wherein the at least two adsorbent beds are adapted to adsorb a readily adsorbable component gas present in the ambient air and pass a less readily adsorbent component gas present in the ambient air. 19. A system according to claim 18, wherein the less readily adsorbable component gas comprises nitrogen. 20. A system according to claim 11, wherein the portion of the inerted atmosphere is introduced to the pressure swing adsorption system in conjunction with the ambient air. 21. A system according to claim 11, wherein the portion of the inerted atmosphere is introduced to the pressure swing adsorption system without the ambient air. 22. A method for recycling an inerting gas used to inert a volume of atmosphere, the method comprising: introducing ambient air to an adsorbent bed to adsorb a more readily adsorbable component gas present in the ambient air and to pass a less readily adsorbable component gas present in the ambient air;releasing the less readily adsorbable component gas from the adsorption bed to form an inerting gas;storing at least a portion of the interting gas in a storage vessel;introducing at least a portion of the stored inerting gas to a volume of atmosphere, thereby inerting at least a portion of the atmosphere;removing a portion of inerted atmosphere and storing the portion of the inerted atmosphere in a storage vessel; andintroducing at least a portion of the stored inerted atmosphere comprising the inerting gas to the adsorbent bed, thereby recycling the inerting gas. 23. A method according to claim 22, further comprising: releasing the more readily adsorbable component gas from the adsorbent bed, wherein releasing the more readily adsorbable component gas comprises changing a pressure of an atmosphere within the adsorbent bed. 24. A method according to claim 22, wherein the portion of inerted atmosphere is introduced to the adsorbent bed in conjunction with the ambient air. 25. A method according to claim 22, wherein the inerted atmosphere is introduced to the adsorbent bed without the ambient air.
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