[특허]Method for liquefying natural gas

[미국특허] Method for liquefying natural gas 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F25J-001/00
출원번호	US-0028025 (1993-03-08)
우선권정보	JP-0335540 (1992-11-20)
발명자 / 주소	Kikkawa Yoshitsugi (Kanagawa JPX) Yamamoto Osamu (Kanagawa JPX) Sakaguchi Junichi (Kanagawa JPX) Nakamura Moritaka (Kanagawa JPX)
출원인 / 주소	Chiyoda Corporation (Kanagawa JPX 03)
인용정보	피인용 횟수 : 48 인용 특허 : 0

초록 ▼

Provided is a method for liquefying natural gas which can be readily adapted to LNG plants of all sizes without requiring expensive and special heat exchangers. The liquefaction of feed gas of natural gas and recycle natural gas is carried out with a single-component refrigerant or a mixed refrigerant in a high temperature stage, and with a substantially isentropic expansion in a low temperature stage, and a non-liquefied part of the recycle gas after the expansion step is pressurized with a compressor and recycled along with a recycle stream of non-liquefied par of the feed natural gas, the liquefied part by the refrigerant exchanging heat with the non-liquefied part stream produced from the substantially isentropic expansion, in a plate-fin heat exchanger or the like. The compressor is driven by the power obtained by the substantially isentropic expansion.

대표청구항 ▼

A method for liquefying natural gas, comprising the steps of: cooling feed natural gas with a refrigerant in a first feed gas stage to produce liquefied and non-liquefied parts of said feed natural gas; cooling the non-liquefied part of said feed natural gas with a substantially isentropic expansion in a second feed gas stage to produce liquefied and non-liquefied parts of said feed natural gas; pressurizing and recycling the non-liquefied part of said feed natural gas from said second feed gas stage by using a first compressor to produce a recycle natural gas; cooling the recycle natural gas with a refrigerant in a first recycle gas stage to produce liquefied and non-liquefied parts of said recycle natural gas; cooling the non-liquefied part of said recycle natural gas from said first recycle gas stage with a substantially isentropic expansion in a second recycle gas stage to produce liquefied and non-liquefied parts of said recycle natural gas; and recovering the liquefied parts of said feed natural gas and said recycle natural gas; said first compressor being driven at least partly by power obtained by at least one of said substantially isentropic expansion steps.

이 특허를 인용한 특허 (48) 인용/피인용 타임라인 분석

Price Brian C. (Overland Park KS), Closed loop single mixed refrigerant process.
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Mak, John, Configurations and methods for small scale LNG production.
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Mak, John, Configurations and methods of heating value control in LNG liquefaction plant.
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Kimble E. Lawrence, Dual multi-component refrigeration cycles for liquefaction of natural gas.
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Houser Clarence G. ; Lee Rong-Jwyn ; Baudat Ned, Efficiency improvement of open-cycle cascaded refrigeration process for LNG production.
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Cuellar, Kyle T.; Wilkinson, John D.; Hudson, Hank M., Hydrocabon gas processing.
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Cuellar,Kyle T.; Wilkinson,John D.; Lynch,Joe T.; Hudson,Hank M., Hydrocarbon gas processing.
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Pierce, Michael C.; Wilkinson, John D.; Hudson, Hank M., Hydrocarbon gas processing.
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Pitman, Richard N.; Wilkinson, John D.; Lynch, Joe T.; Hudson, Hank M.; Martinez, Tony L., Hydrocarbon gas processing.
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Wilkinson, John D.; Lynch, Joe T.; Hudson, Hank M.; Cuellar, Kyle T.; Martinez, Tony L., Hydrocarbon gas processing.
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Campbell, Roy E.; Wilkinson, John D.; Hudson, Hank M.; Cuellar, Kyle T., LNG production in cryogenic natural gas processing plants.
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Houshmand Mory (Salt Lake City UT) Kruger Kimberly A. (Salt Lake City UT) Alves Gerald W. (Sugar Land TX) Ostaszewski Ricardo (Sugar Land TX) Belhateche Noureddine (Katy TX), LNG production in cryogenic natural gas processing plants.
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Wilkinson, John D.; Hudson, Hank M.; Cuellar, Kyle T., LNG production in cryogenic natural gas processing plants.
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Martinez, Tony L.; Wilkinson, John D.; Hudson, Hank M.; Cuellar, Kyle T., Liquefied natural gas and hydrocarbon gas processing.
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Martinez, Tony L.; Wilkinson, John D.; Hudson, Hank M.; Cuellar, Kyle T., Liquefied natural gas and hydrocarbon gas processing.
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Martinez, Tony L.; Wilkinson, John D.; Hudson, Hank M.; Cuellar, Kyle T., Liquefied natural gas and hydrocarbon gas processing.
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Cuellar, Kyle T.; Wilkinson, John D.; Hudson, Hank M., Liquefied natural gas processing.
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Cuellar, Kyle T.; Wilkinson, John D.; Hudson, Hank M., Liquefied natural gas processing.
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Cuellar,Kyle T.; Wilkinson,John D.; Hudson,Hank M., Liquefied natural gas processing.
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Wilkinson,John D.; Hudson,Hank M., Liquefied natural gas processing.
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Wilkinson, John D.; Hudson, Hank M.; Cuellar, Kyle T., Liquefied natural gas production.
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Vandor, David; Greenberg, Ralph, Method and system for the small-scale production of liquified natural gas (LNG) from low-pressure gas.
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Kikkawa Yoshitsugi,JPX ; Yamamoto Osamu,JPX ; Nakamura Moritaka,JPX ; Sugiyama Shigeru,JPX ; Fukuda Yasuharu,JPX, Method for liquefying natural gas.
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Zollinger,William T.; Bingham,Dennis N.; McKellar,Michael G.; Wilding,Bruce M.; Klingler,Kerry M., Method of Liquifying a gas.
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Bingham,Dennis N.; Klingler,Kerry M.; Wilding,Bruce M.; Zollinger,William T., Method of producing hydrogen.
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Bingham, Dennis N.; Klingler, Kerry M.; Wilding, Bruce M., Method of producing hydrogen, and rendering a contaminated biomass inert.
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Bowen Ronald R. ; Cole Eric T. ; Kimble Edward L. ; Thomas Eugene R. ; Kelley Lonny R., Multi-component refrigeration process for liquefaction of natural gas.
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Wilkinson, John D.; Hudson, Hank M.; Ceullar, Kyle T., Natural gas liquefaction.
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Wilkinson, John D.; Hudson, Hank M.; Cueller, Kyle T., Natural gas liquefaction.
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Wilkinson,John D.; Hudson,Hank M.; Cuellar,Kyle T., Natural gas liquefaction.
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Wilkinson,John D.; Hudson,Hank M.; Cueller,Kyle T., Natural gas liquefaction.
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Wilkinson,John D.; Lynch,Joe T.; Hudson,Hank M.; Cuellar,Kyle T., Natural gas liquefaction.
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Evans, Megan V.; Praderio, Attilio J.; Strassle, Lisa M.; Chahal, Mohan S.; Gentry, Matthew C.; Qualls, Wesley R.; Bellomy, Marc T.; Rockwell, James L., Optimized heavies removal system in an LNG facility.
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Capron Pierre,FRX ; Rojey Alexandre,FRX, Process and device for liquefying and for processing a natural gas.
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Thomas Eugene R. ; Bowen Ronald R. ; Cole Eric T. ; Kimble Edward L., Process for liquefaction of natural gas.
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Moses Minta ; Ronald R. Bowen ; John B. Stone, Process for making pressurized liquefied natural gas from pressured natural gas using expansion cooling.
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Ding, Denis; Pratt, Mitchell, Recipicating compressor with inlet booster for CNG station and refueling motor vehicles.
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Ding, Denis; Pratt, Mitchell, Reciprocating compressor with inlet booster for CNG station and refueling motor vehicles.
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Kimble ; III E. Lawrence, Refrigeration process for liquefaction of natural gas.
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Kimble ; III E. Lawrence, Reliquefaction of pressurized boil-off from pressurized liquid natural gas.
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Fischer-Calderon, Ernesto, Self-refrigerated LNG process.
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Eaton, Anthony P., Semi-closed loop LNG process.
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Prim,Eric, System and method for recovery of C2+ hydrocarbons contained in liquefied natural gas.
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Severinsky, Alexander J., Systems, methods, and compositions for production of synthetic hydrocarbon compounds.
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Severinsky, Alexander J., Systems, methods, and compositions for production of synthetic hydrocarbon compounds.
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Severinsky, Alexander J., Systems, methods, and compositions for production of synthetic hydrocarbon compounds.
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Severinsky, Alexander J., Systems, methods, and compositions for production of synthetic hydrocarbon compounds.
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Severinsky, Alexander J., Systems, methods, and compositions for production of synthetic hydrocarbon compounds.
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[미국특허] Method for liquefying natural gas 원문보기