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액상화를 위한 클로드 공정

1902
  • Georges Claude
Gas liquefaction plant utilizing the Claude process for industrial applications.

(설명을 위한 생성된 이미지입니다)

클로드 프로세스는 다음과 같은 점을 개선합니다. 햄슨-린데 사이클 by incorporating an expansion engine or turbine. A portion of the compressed gas does work in an expander, causing a much larger temperature drop (nearly isentropic expansion) than Joule-Thomson expansion alone. This provides more efficient cooling, making it the dominant method for large-scale gas liquefaction and separation today.

Georges Claude recognized the thermodynamic inefficiency of relying solely on the isenthalpic 줄-톰슨 효과. He reasoned that making the gas perform external work during expansion would extract more energy and thus produce a greater cooling effect. In his system, the main stream of high-pressure gas is split. One part goes to an expansion engine, where it cools significantly while producing work. This extremely cold gas is then used to pre-cool the other part of the high-pressure stream in a heat exchanger. This second stream then undergoes a final Joule-Thomson expansion to produce the liquid. By combining the bulk cooling from the expander with the final-stage liquefaction from the J-T valve, the Claude cycle achieves higher efficiency and can operate at lower initial pressures than the Linde cycle. The work produced by the expander can also be recovered to help power the initial compressor, further improving overall efficiency. This principle is fundamental to virtually all modern large-scale cryogenic plants.

UNESCO Nomenclature: 2212
열역학

유형

열역학적 사이클

분열

점진적

용법

널리 사용됨

전구체

  • Hampson-Linde Cycle
  • Brayton cycle (열역학적 basis for the expansion engine)
  • 줄-톰슨 효과
  • 신뢰할 수 있는 고속 팽창 엔진 및 터빈 개발

응용 프로그램

  • 대규모 산업 공기 분리 단위(ASU)
  • production of liquid nitrogen, oxygen, and argon
  • 헬륨 및 수소 액화 플랜트
  • liquefied natural gas (LNG) production
  • 천연가스 처리 분야의 터보팽창기

특허:

  • FR324949A

잠재적 혁신 아이디어

  • turboexpanders for geothermal power generation
  • 극저온 탄소 포집 technologies using the claude cycle principle
  • integrated liquefaction and power generation cycles for LNG facilities
  • closed-brayton-cycle cryocoolers for space applications
  • advanced hydrogen liquefiers for fueling stations and transport
  • small-scale, high-efficiency helium liquefiers for MRI magnets
  • cryogenic energy storage systems utilizing claude cycle principles
  • air separation units powered by renewable energy sources
  • next-generation LNG processes with mixed-fluid cascade and claude cycles
  • mobile nitrogen plants for oil and gas well servicing
Related to: Claude process, expansion engine, liquefaction, cryogenics, air separation, Georges Claude, isentropic expansion, thermodynamics, efficiency, LNG.

역사적 맥락

액상화를 위한 클로드 공정

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1900-12-14
1902
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(날짜를 알 수 없거나 관련이 없는 경우, 예를 들어 "유체역학"의 경우, 주목할 만한 등장 시기를 대략적으로 추정하여 제공합니다.)

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