EP2657630A3 - Verfahren und Vorrichtung zum Herstellen gekühlter Produkte - Google Patents

Verfahren und Vorrichtung zum Herstellen gekühlter Produkte Download PDF

Info

Publication number
EP2657630A3
EP2657630A3 EP13163580.7A EP13163580A EP2657630A3 EP 2657630 A3 EP2657630 A3 EP 2657630A3 EP 13163580 A EP13163580 A EP 13163580A EP 2657630 A3 EP2657630 A3 EP 2657630A3
Authority
EP
European Patent Office
Prior art keywords
cooling medium
nitrogen
product
cryogenic
liquid nitrogen
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.)
Withdrawn
Application number
EP13163580.7A
Other languages
English (en)
French (fr)
Other versions
EP2657630A2 (de
Inventor
Emir Tebib
Frank Gockel
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.)
Messer Group GmbH
Messer France SAS
Original Assignee
Messer Group GmbH
Messer France SAS
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 Messer Group GmbH, Messer France SAS filed Critical Messer Group GmbH
Publication of EP2657630A2 publication Critical patent/EP2657630A2/de
Publication of EP2657630A3 publication Critical patent/EP2657630A3/de
Withdrawn legal-status Critical Current

Links

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
    • 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
    • F25D3/12—Devices using other cold materials; Devices using cold-storage bodies using solidified gases, e.g. carbon-dioxide snow

Landscapes

  • 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)

Abstract

Bekannt sind Kühlverfahren, bei denen die zu kühlenden Produkte mit einem kryogenen Kühlmedium in einer Mischeinrichtung in direkten thermischen Kontakt gebracht werden. Als Kühlmedium kommt dabei insbesondere Kohlendioxidschnee oder tiefkalt verflüssigter Stickstoff oder eine Mischung aus Flüssigstickstoff und Kohlendioxidschnee zum Einsatz. Problematisch bei diesen Gegenständen ist der oft nur unzureichende Wärmeübertrag zwischen dem zu kühlenden Produkt und dem Kühlmedium, insbesondere bei sehr tiefen Temperaturen.
Erfindungsgemäß kommt als Kühlmedium tiefkalt verfestigter Stickstoff zum Einsatz, der bevorzugt aus Flüssigstickstoff (7)durch Absenkung des Drucks in einem mit Flüssigstickstoff und dem Produkt befüllten Druckbehälter (2) gewonnen wird.
Der Wärmeübergang zwischen Produkt und dem festen Stickstoff ist gegenüber dem Stand der Technik wesentlich höher, wodurch die Wirtschaftlichkeit des Kühlverfahrens verbessert wird.
EP13163580.7A 2012-04-27 2013-04-12 Verfahren und Vorrichtung zum Herstellen gekühlter Produkte Withdrawn EP2657630A3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102012008591A DE102012008591A1 (de) 2012-04-27 2012-04-27 Verfahren und Vorrichtung zum Herstellen gekühlter Produkte

Publications (2)

Publication Number Publication Date
EP2657630A2 EP2657630A2 (de) 2013-10-30
EP2657630A3 true EP2657630A3 (de) 2017-12-27

Family

ID=48095692

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13163580.7A Withdrawn EP2657630A3 (de) 2012-04-27 2013-04-12 Verfahren und Vorrichtung zum Herstellen gekühlter Produkte

Country Status (2)

Country Link
EP (1) EP2657630A3 (de)
DE (1) DE102012008591A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113834234B (zh) * 2021-09-30 2023-03-21 东方电气集团科学技术研究院有限公司 一种基于固氮冷却介质制备的低温装置

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0523568A1 (de) * 1991-07-19 1993-01-20 Air Products And Chemicals, Inc. Kontinuierliches Verfahren zur Herstellung von Wasserstoffschlammeis
US5603567A (en) * 1995-02-17 1997-02-18 Blentech Corporation Coaxial cryogenic injection system
WO1999034692A1 (en) * 1998-01-06 1999-07-15 Integrated Biosystems Method for freeze granulation
US20060266078A1 (en) * 2004-02-06 2006-11-30 Mayekawa Mfg. Co., Ltd. Method and apparatus for producing slush nitrogen
EP1876404A1 (de) * 2005-04-25 2008-01-09 Mayekawa Mfg. Co., Ltd. Verfahren zur herstellung eines schlammigen fluids und vorrichtung dafür
DE102010017928A1 (de) * 2010-04-22 2011-10-27 Linde Aktiengesellschaft Verfahren zur Herstellung von Speiseeis

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1604950A4 (de) 2003-03-11 2012-07-25 Maekawa Seisakusho Kk Verfahren zur herstellung von pastenförmigem stickstoff undvorrichtung dafür
DE602006007960D1 (de) 2006-05-18 2009-09-03 Air Liquide Verwendung einer Mischung aus flüssigem Stickstoff und Kohlendioxid Schaum zur Tiefkühlung
DE102006027561A1 (de) 2006-06-14 2007-12-20 Messer France S.A.S Vorrichtung zum Eindosieren eines kryogenen Mediums
DE102006037057A1 (de) 2006-08-08 2008-02-14 Linde Ag Vorrichtung und Verfahren zum Eintrag einer Mischung aus kryogenen und kryogenen oder nicht-kryogenen Medien in ein Frost- oder Kühlgerät
GB2460016B (en) 2008-04-30 2010-10-13 Siemens Magnet Technology Ltd Cooling apparatus

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0523568A1 (de) * 1991-07-19 1993-01-20 Air Products And Chemicals, Inc. Kontinuierliches Verfahren zur Herstellung von Wasserstoffschlammeis
US5603567A (en) * 1995-02-17 1997-02-18 Blentech Corporation Coaxial cryogenic injection system
WO1999034692A1 (en) * 1998-01-06 1999-07-15 Integrated Biosystems Method for freeze granulation
US20060266078A1 (en) * 2004-02-06 2006-11-30 Mayekawa Mfg. Co., Ltd. Method and apparatus for producing slush nitrogen
EP1876404A1 (de) * 2005-04-25 2008-01-09 Mayekawa Mfg. Co., Ltd. Verfahren zur herstellung eines schlammigen fluids und vorrichtung dafür
DE102010017928A1 (de) * 2010-04-22 2011-10-27 Linde Aktiengesellschaft Verfahren zur Herstellung von Speiseeis

Also Published As

Publication number Publication date
EP2657630A2 (de) 2013-10-30
DE102012008591A1 (de) 2013-10-31

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