FR3068769B1 - " dispositif et procede de refroidissement a temperature cryogenique" - Google Patents

" dispositif et procede de refroidissement a temperature cryogenique" Download PDF

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Publication number
FR3068769B1
FR3068769B1 FR1852158A FR1852158A FR3068769B1 FR 3068769 B1 FR3068769 B1 FR 3068769B1 FR 1852158 A FR1852158 A FR 1852158A FR 1852158 A FR1852158 A FR 1852158A FR 3068769 B1 FR3068769 B1 FR 3068769B1
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FR
France
Prior art keywords
cooling
cooling composition
liquid nitrogen
cryogenic temperature
propeller
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.)
Expired - Fee Related
Application number
FR1852158A
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English (en)
Other versions
FR3068769A1 (fr
Inventor
Raphael Grandeau
Carina Zundel
Dominique Belot
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.)
Air Liquide SA
LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
Original Assignee
Air Liquide SA
LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
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 Air Liquide SA, LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude filed Critical Air Liquide SA
Priority to FR1852158A priority Critical patent/FR3068769B1/fr
Publication of FR3068769A1 publication Critical patent/FR3068769A1/fr
Application granted granted Critical
Publication of FR3068769B1 publication Critical patent/FR3068769B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K5/00—Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
    • C09K5/02—Materials undergoing a change of physical state when used
    • C09K5/04—Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice versa
    • C09K5/047—Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice versa for absorption-type refrigeration systems
    • 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
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2700/00—Sensing or detecting of parameters; Sensors therefor
    • F25B2700/04—Refrigerant level
    • 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

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Combustion & Propulsion (AREA)
  • Thermal Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)

Abstract

Dispositif de refroidissement d'un élément à refroidir (1), comprenant : - une cuve (2) apte à recevoir une composition de refroidissement (3), - une hélice (4) apte à brasser ladite composition de refroidissement, - des moyens pour entrainer ladite hélice dans une rotation inférieure à 1 tour par seconde, - une sonde de niveau (5) apte à mesurer le niveau d'azote liquide dans la composition de refroidissement, ou un système de mesure de la masse de la composition de refroidissement permettant de mesurer la masse d'azote liquide dans la composition de refroidissement, - au moins un moyen (6) permettant l'ajout régulier d'azote liquide dans la composition de refroidissement.
FR1852158A 2018-03-13 2018-03-13 " dispositif et procede de refroidissement a temperature cryogenique" Expired - Fee Related FR3068769B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1852158A FR3068769B1 (fr) 2018-03-13 2018-03-13 " dispositif et procede de refroidissement a temperature cryogenique"

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1852158 2018-03-13
FR1852158A FR3068769B1 (fr) 2018-03-13 2018-03-13 " dispositif et procede de refroidissement a temperature cryogenique"

Publications (2)

Publication Number Publication Date
FR3068769A1 FR3068769A1 (fr) 2019-01-11
FR3068769B1 true FR3068769B1 (fr) 2021-01-01

Family

ID=63294293

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1852158A Expired - Fee Related FR3068769B1 (fr) 2018-03-13 2018-03-13 " dispositif et procede de refroidissement a temperature cryogenique"

Country Status (1)

Country Link
FR (1) FR3068769B1 (fr)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3332739C2 (de) * 1983-09-10 1985-10-31 C. Reichert Optische Werke Ag, Wien Vorrichtung zur Immersions-Kryofixation biologischer oder medizinischer Objekte
DE3425744A1 (de) * 1984-07-12 1986-01-16 C. Reichert Optische Werke Ag, Wien Vorrichtung zur entwaesserung und/oder polymerisationseinbettung biologischer proben bei tiefen temperaturen
FR2997175B1 (fr) * 2012-10-18 2015-01-16 Air Liquide Utilisation d'un melange d'azote liquide et d'azote solide pour la surgelation ultra rapide de produits
FR3020873B1 (fr) * 2014-05-12 2017-10-27 Cryopal Capteur de niveau de liquide cryogenique et dispositif de stockage comportant un tel capteur

Also Published As

Publication number Publication date
FR3068769A1 (fr) 2019-01-11

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