EP1271075A1 - Procédé et dispositif pour génération de froid - Google Patents

Procédé et dispositif pour génération de froid Download PDF

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Publication number
EP1271075A1
EP1271075A1 EP02012634A EP02012634A EP1271075A1 EP 1271075 A1 EP1271075 A1 EP 1271075A1 EP 02012634 A EP02012634 A EP 02012634A EP 02012634 A EP02012634 A EP 02012634A EP 1271075 A1 EP1271075 A1 EP 1271075A1
Authority
EP
European Patent Office
Prior art keywords
nitrogen
cold
compressor
evaporated
heat exchanger
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP02012634A
Other languages
German (de)
English (en)
Other versions
EP1271075B1 (fr
Inventor
Jürgen Clausen
Robert Sebastianutto
Bruno Dr. Ziegler
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Linde GmbH
Original Assignee
Linde GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Linde GmbH filed Critical Linde GmbH
Publication of EP1271075A1 publication Critical patent/EP1271075A1/fr
Application granted granted Critical
Publication of EP1271075B1 publication Critical patent/EP1271075B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D3/00—Devices using other cold materials; Devices using cold-storage bodies
    • F25D3/10—Devices using other cold materials; Devices using cold-storage bodies using liquefied gases, e.g. liquid air

Definitions

  • the invention relates to a method for providing cold by evaporating liquid nitrogen at subatmospheric pressure and then warming up and compressing the vaporized nitrogen.
  • the invention further relates to a device for providing cold by evaporation of liquid nitrogen at subatmospheric pressure and then Warming up and compressing the vaporized nitrogen, with a relaxation or Dosing device that relaxes or doses the liquid nitrogen serves, a container into which the relaxed nitrogen is fed and out of the cold at least one (cold) consumer is discharged, a heat exchanger that the Heating of the evaporated nitrogen is used, and a compressor, which the Compression of the vaporized nitrogen is used.
  • Generic methods and devices for the provision of cold are for example for open and closed cooling processes, which are the cooling of High temperature superconducting components are used.
  • the one to be cooled Component is either integrated directly into the aforementioned container or supplied with cold from this container via a secondary circuit.
  • Another option is to add nitrogen at subatmospheric pressure evaporate, warm to about ambient temperature and then on compress atmospheric or superatmospheric pressure.
  • FIG. 1 schematically shows such a process, which is part of the prior art.
  • an expansion or Dosing device which is preferably an expansion valve 2, relaxed and fed to a container 3.
  • a gas phase a forms in this as well as a liquid phase b, because the delivery of cooling power to the Container supplied liquid nitrogen is evaporated.
  • Vaporized via line 4 Nitrogen drawn out of the container 3 and after heating up Ambient temperature in the heat exchanger 5 by means of the compressor 6 atmospheric or superatmospheric pressure. Warming up the evaporated nitrogen in the heat exchanger 5 is preferably counter Ambient air, water, or the like or by means of electrical heating.
  • the object of the present invention is a generic method and a Specify generic device for cold supply, the or energetic and apparatus advantages over the previously described process for Provides refrigeration by evaporating liquid nitrogen.
  • this object is achieved in that the vaporized nitrogen is first compressed and then warmed up if necessary.
  • the compressor is, according to the invention, the heat exchanger upstream.
  • compressors 6 ' One or more so-called cold compressors are used as compressors 6 '. According to the invention, the compression is now carried out directly at the Boiling point of nitrogen instead of at ambient temperature.
  • radial compressors are used as cold compressors Applications specially designed for use at very low temperatures.
  • FIG. 3 shows a procedure that differs from that shown in FIG. 2 explained distinguished by the fact that an additional heat exchanger 7, the cold compressor 6 'is connected upstream, is provided.
  • This heat exchanger 7 is used the supercooling of the liquid nitrogen in line 1 by the, from which Container 3 drawn off, evaporated nitrogen, which is thereby slightly warmed.
  • the method according to the invention and the device according to the invention lead to a reduction in the drive power of the compressor 6, since the compression at lower Temperature.
  • the method according to the invention and the device according to the invention for Providing cold thus simplifies the process, one Cost reduction, an increase in process efficiency and one Improve operational security and availability.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
  • Separation By Low-Temperature Treatments (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
  • Containers, Films, And Cooling For Superconductive Devices (AREA)
EP02012634A 2001-06-20 2002-06-06 Procédé et dispositif pour la génération de froid Expired - Lifetime EP1271075B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10129780 2001-06-20
DE10129780A DE10129780A1 (de) 2001-06-20 2001-06-20 Verfahren und Vorrichtung zur Kältebereitstellung

Publications (2)

Publication Number Publication Date
EP1271075A1 true EP1271075A1 (fr) 2003-01-02
EP1271075B1 EP1271075B1 (fr) 2008-03-26

Family

ID=7688861

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02012634A Expired - Lifetime EP1271075B1 (fr) 2001-06-20 2002-06-06 Procédé et dispositif pour la génération de froid

Country Status (5)

Country Link
US (1) US6619047B2 (fr)
EP (1) EP1271075B1 (fr)
JP (1) JP2003097859A (fr)
AT (1) ATE390608T1 (fr)
DE (2) DE10129780A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008009681A1 (fr) * 2006-07-21 2008-01-24 Mdi - Motor Development International S.A. Moteur cryogénique à énergie thermique à température ambiante et à pression constante
EP2515057A1 (fr) * 2011-04-20 2012-10-24 Messer Group GmbH Procédé et dispositif destinés à la régulation de la température d'un milieu fluidique

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7621148B1 (en) 2007-08-07 2009-11-24 Dain John F Ultra-low temperature bio-sample storage system
US7823394B2 (en) * 2007-11-02 2010-11-02 Reflect Scientific, Inc. Thermal insulation technique for ultra low temperature cryogenic processor
DE102011010121B4 (de) * 2011-02-02 2016-09-01 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Begehbare Kühlanlage, insbesondere zur Kryokonservierung biologischer Proben, und Verfahren zu deren Betrieb
CN107830651B (zh) * 2017-10-20 2020-04-10 中国科学院理化技术研究所 一种低温制冷系统

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19619152A1 (de) * 1996-05-11 1997-11-27 Bernd Dipl Ing Mingers Gefriereinrichtung
DE19717621A1 (de) * 1997-04-25 1998-06-25 Linde Ag Unterkühlen von flüssigen Gasen
DE19850911A1 (de) * 1998-11-05 2000-05-11 Messer Griesheim Gmbh Flüssiggas-Kühlungssystem zur Kühlung eines Verbrauchers auf Tieftemperatur

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB808535A (en) * 1956-09-19 1959-02-04 British Oxygen Co Ltd Evaporation of liquefied gases with simultaneous production of mechanical energy
NO133287C (fr) * 1972-12-18 1976-04-07 Linde Ag
US3933003A (en) * 1974-04-25 1976-01-20 General Dynamics Corporation Cryostat control
US4249387A (en) * 1979-06-27 1981-02-10 Phillips Petroleum Company Refrigeration of liquefied petroleum gas storage with retention of light ends
US4548053A (en) * 1984-06-05 1985-10-22 The United States Of America As Represented By The United States Department Of Energy Combined cold compressor/ejector helium refrigerator
FR2588947B1 (fr) * 1985-10-21 1989-02-10 Distrigaz Sa Procede pour maintenir la composition du produit stocke constante dans un stockage de gaz liquefie a basse temperature
US4727723A (en) * 1987-06-24 1988-03-01 The M. W. Kellogg Company Method for sub-cooling a normally gaseous hydrocarbon mixture
FR2619203B1 (fr) * 1987-08-04 1989-11-17 Anhydride Carbonique Ind Procede et installation de refroidissement cryogenique utilisant du dioxyde de carbone liquide en tant qu'agent frigorigene
US5176002A (en) * 1991-04-10 1993-01-05 Process Systems International, Inc. Method of controlling vapor loss from containers of volatile chemicals
FR2760074B1 (fr) * 1997-02-24 1999-04-23 Air Liquide Procede de compression d'un gaz a basse temperature et a basse pression, ligne de compression et installation de refrigeration correspondantes
DE19755484A1 (de) * 1997-12-13 1999-06-17 Univ Dresden Tech Verfahren zur Kälteerzeugung im Temperaturbereich von 50,1 bis 63 Kelvin und Vorrichtung zur Durchführung dieses Verfahrens

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19619152A1 (de) * 1996-05-11 1997-11-27 Bernd Dipl Ing Mingers Gefriereinrichtung
DE19717621A1 (de) * 1997-04-25 1998-06-25 Linde Ag Unterkühlen von flüssigen Gasen
DE19850911A1 (de) * 1998-11-05 2000-05-11 Messer Griesheim Gmbh Flüssiggas-Kühlungssystem zur Kühlung eines Verbrauchers auf Tieftemperatur

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008009681A1 (fr) * 2006-07-21 2008-01-24 Mdi - Motor Development International S.A. Moteur cryogénique à énergie thermique à température ambiante et à pression constante
EA014489B1 (ru) * 2006-07-21 2010-12-30 Мди - Мотор Девелопман Энтернасьональ С.А. Криогенный двигатель, работающий на тепловой энергии, обусловленной температурой окружающей среды, и при постоянном давлении
US8276384B2 (en) 2006-07-21 2012-10-02 Mdi-Motor Development International S.A. Ambient temperature thermal energy and constant pressure cryogenic engine
AP2686A (en) * 2006-07-21 2013-06-27 Mdi Motor Dev Internat Sa Ambient temperature thermal energy and constant pressure cryogenic engine
KR101457901B1 (ko) 2006-07-21 2014-11-07 엠디아이 모터 디벨로프먼트 인터내셔날 에스.에이. 상온 열에너지 등압 극저온 엔진
EP2515057A1 (fr) * 2011-04-20 2012-10-24 Messer Group GmbH Procédé et dispositif destinés à la régulation de la température d'un milieu fluidique

Also Published As

Publication number Publication date
EP1271075B1 (fr) 2008-03-26
DE10129780A1 (de) 2003-01-02
ATE390608T1 (de) 2008-04-15
DE50211946D1 (de) 2008-05-08
JP2003097859A (ja) 2003-04-03
US20030024251A1 (en) 2003-02-06
US6619047B2 (en) 2003-09-16

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