EP0942244B1 - Isothermischer Behälter - Google Patents

Isothermischer Behälter Download PDF

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Publication number
EP0942244B1
EP0942244B1 EP19990420062 EP99420062A EP0942244B1 EP 0942244 B1 EP0942244 B1 EP 0942244B1 EP 19990420062 EP19990420062 EP 19990420062 EP 99420062 A EP99420062 A EP 99420062A EP 0942244 B1 EP0942244 B1 EP 0942244B1
Authority
EP
European Patent Office
Prior art keywords
snow
drawer
gas
container
opening
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 - Lifetime
Application number
EP19990420062
Other languages
English (en)
French (fr)
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EP0942244A1 (de
Inventor
Pierre Olivo
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.)
Olivo SAS
Original Assignee
Olivo 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
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Application filed by Olivo SAS filed Critical Olivo SAS
Publication of EP0942244A1 publication Critical patent/EP0942244A1/de
Application granted granted Critical
Publication of EP0942244B1 publication Critical patent/EP0942244B1/de
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
    • F25D3/12—Devices using other cold materials; Devices using cold-storage bodies using solidified gases, e.g. carbon-dioxide snow
    • F25D3/125—Movable containers
    • 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
    • F25D29/00—Arrangement or mounting of control or safety devices
    • F25D29/001—Arrangement or mounting of control or safety devices for cryogenic fluid systems

Definitions

  • the invention relates to the field of isothermal containers comprising, above a storage compartment, a cryogenic compartment for the storage of dry ice ensuring the conservation of fresh or frozen products.
  • a container according to the preamble of claim 1 is for example known from the document EP-A-0 823 600.
  • It relates more particularly to the compartments cryogenic whose front face is equipped with at least one opening connectable to the injector of a dioxide injection device carbon in liquid phase, and at least one opening which can be connected to a suction source to recover carbon dioxide, during snow formation.
  • this consists of a removable tray or a drawer, this tray or drawer being slidably mounted in slides arranged in the inner wall of the container.
  • the object of the present invention is to remedy this disadvantage by providing an insulated container comprising a jet breaker device for a tray or drawer cryogenic compartment supplied by an external nozzle, reducing the effects of pressure on the tank and abrasion on the retention wall snow, but also improving snow filling.
  • the jet breaker is consisting of a tubular mesh of pressure-resistant material which, arranged in the snow storage chamber, is an extension of the opening for the injector of an injection device, is linked to the wall front of this drawer by one of its ends, is closed at its other end and comprises, at least in part of its wall, meshes, forming a regular lacunar network letting pass the gas but also the snow forming inside the trellis.
  • the ratio S1 / S2 between the perforated surface S1 and the surface S2 of the part allowing the snow to pass through the tubular trellis is between 0.45 and 0.8.
  • the tubular trellis is provided with mesh over its entire periphery and has, on its upper part and on its entire length, a semi-cylindrical mesh cover corresponding.
  • This hood opposes the exit of the snow upwards, in direction of the porous sheet of gas and therefore opposes its clogging by snow, which guarantees gas evacuation. It also promotes snow distribution over the entire bottom of the cryogenic compartment.
  • the reference numeral 2 denotes, so general, an isothermal container 2 with a front door 3 and whose cavity internal is provided with slides, respectively lateral 4 and posterior 5, in which the edges, respectively lateral and posterior, from the bottom 6 of a drawer 7.
  • This drawer divides the internal cavity of the container in an upper cryogenic compartment A and a compartment lower B for storage of fresh or frozen products.
  • the drawer 7 has a front wall 8, capable of being fitted into an appropriate rebate of the container, and its bottom 6 is integral with a parallelepipedic tank 9 in form of box open upwards and whose upper opening is closed by a sheet 10, porous to gas but not to dry ice.
  • the drawer is, for example, made by rotational molding of polyethylene and its hollow walls are filled with an insulating material, such as than polyurethane foam 12.
  • Room C communicates with the exterior by an opening 14, visible in FIG. 1, formed in the wall front 8 of the drawer.
  • the gas accumulation chamber D it communicates with the outside through an opening 15, formed in the same wall 8.
  • the tank 9 is equipped with a jet breaker 20 which is consisting of a tubular mesh 21 made of pressure-resistant material, extending longitudinally inside the tank. Its anterior end is fixed on the internal face of the front wall 8, in the extension of the opening 14, for example by a flange 22. The other end of the jet breaker is closed and shaped as lug 23. This is fixed by a screw transverse not shown, on a step 24 projecting from the bottom of the tank and disposed near the rear wall 6a of this tank.
  • Leg 23 is advantageously formed by flattening the tubular mesh in one of its diametrical plans.
  • This tubular mesh is crossed by meshes 25.
  • the perforations 25 are distributed in the part of the tubular mesh 21 which makes opposite the bottom 6 of the tank, that is to say over substantially its half lower, which implies that its upper part has no perforations.
  • the trellis tubular 21 is constituted by a metallic fabric, bent to form a sleeve whose longitudinal edges are connected by a few points of solder 26.
  • the upper part of the body, thus obtained, is covered by a semi-cylindrical cover 27, formed by a metal sheet which, after putting in shape, is fixed to the canvas by welds 28.
  • the metallic canvas is also welded to the flange 22, so as to form an assembly monolithic with this flange.
  • the S1 / S2 ratio between, respectively, the total area perforated S1 of the meshes 25 used and the surface S2 of the cylindrical part tubular mesh allowing snow to pass, is between 0.45 and 0.8, and that whatever the dimension of the meshes which is defined according mechanical strength of the jet breaker.
  • the pressurized jet emitted by the injector 18 remaining outside the jetbreaker is distributed longitudinally inside the body tubular of the breakwater 20 where it immediately turns into snow and gas. Due to its rigid structure, the jet breaker absorbs without deformation the forces resulting from this projection, and already reduced by the relaxation immediate. Furthermore, the non-perforated part, constituted by the cover 27, opposes any upward projection, in the direction of the sheet 10, and therefore prevents it, which is more fragile, from being subjected to accelerating forces its wear by abrasion.
  • the gas escapes from the tank through the sheet 10, as shown in arrow 33, and from there goes to room D where it is sucked by means connected to the opening 15 formed in the wall end.
  • the jet breaker is inexpensive and its low cost is more than made up for by longer service life of the drawer, since, during repeated injections, its resistance is not affected and therefore can be used safely for many fillings.
  • the jet breaker is porous to snow over its whole periphery.
  • it can be juxtaposed with another jet breaker, arranged in the same bin or in a neighboring bin.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Buffer Packaging (AREA)
  • Accommodation For Nursing Or Treatment Tables (AREA)

Claims (5)

  1. Isothermischer Behälter, der ein Tiefsttemperaturfach (A) umfasst, das von einem Schubfach (7) gebildet wird, das wegnehmbar in Gleitschienen des Behälters montiert ist und innen eine Decke (10) aufweist, die gasdurchlässig ist und mindestens eine Kammer (C) zur Lagerung des Schnees von einer Kammer (D) zum Sammeln des Gases trennt, wobei die Vorderwand (8) des Schubfachs mit mindestens einer Öffnung (14) versehen ist, die verschließbar und an die äußere Düse einer Einspritzvorrichtung für Kohlendioxid in flüssiger Phase anschließbar ist, und mindestens einer Öffnung (15), die verschließbar und an eine Gasansaugquelle anschließbar ist, dadurch gekennzeichnet, dass das Tiefsttemperaturfach eine Strahlablenkvorrichtung umfasst, die von einem röhrenförmigen Geflecht (21) aus druckbeständigem Material gebildet ist, das in der Kammer (C) zur Lagerung des Schnees und in der Verlängerung der Öffnung (14) für die Außendüse der Einspritzvorrichtung angeordnet ist, an einem seiner Enden mit der Vorderwand (8) des Schubfachs (7) verbunden, an seinem anderen Ende geschlossen ist und zumindest in einem Teil seiner Wand Maschen (25) aufweist, die ein lückenhaftes Netz bilden, das Gas, aber auch den Schnee durchlässt, der sich in dem röhrenförmigen Geflecht bildet.
  2. Behälter nach Anspruch 1, dadurch gekennzeichnet, dass das röhrenförmige Geflecht (21) auf seinem ganzen Umfang mit Maschen (25) versehen ist und in seinem oberen Teil und über seine ganze Länge eine halbzylindrische Abdeckung (27) zum Verschließen der entsprechenden Maschen aufweist.
  3. Behälter nach Anspruch 1, dadurch gekennzeichnet, dass das vordere Ende des röhrenförmigen Geflechts (21) fest mit einem kreisförmigen Flansch (22) zur Befestigung an der Innenseite der Vorderwand (8) des Kastens (7) verbunden ist, während sein anderes Ende fest mit einer Klaue (23) zur Befestigung auf einem Absatz (24) verbunden ist, der vom Boden (6) dieses Kastens hervorsteht.
  4. Behälter nach den zusammengenommenen Ansprüchen 1 bis 3, dadurch gekennzeichnet, dass die Befestigungsklaue (23) durch Abflachen des Endes des röhrenförmigen Geflechts (21) hergestellt wird.
  5. Behälter nach Anspruch 1, dadurch gekennzeichnet, dass das Verhältnis zwichen S1 und S2, nämlich der perforierten Fläche (S1) und der Fläche (S2) des Teils des röhrenförmigen Geflechts, durch den der Schnee austreten kann, 0,45 bis 0,8 beträgt.
EP19990420062 1998-03-10 1999-03-09 Isothermischer Behälter Expired - Lifetime EP0942244B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9803221A FR2776056B1 (fr) 1998-03-10 1998-03-10 Dispositif brise-jet pour compartiment cryogenique de conteneur isothermique
FR9803221 1998-03-10

Publications (2)

Publication Number Publication Date
EP0942244A1 EP0942244A1 (de) 1999-09-15
EP0942244B1 true EP0942244B1 (de) 2003-04-16

Family

ID=9524114

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19990420062 Expired - Lifetime EP0942244B1 (de) 1998-03-10 1999-03-09 Isothermischer Behälter

Country Status (5)

Country Link
EP (1) EP0942244B1 (de)
DE (1) DE69906854T2 (de)
ES (1) ES2194429T3 (de)
FR (1) FR2776056B1 (de)
PT (1) PT942244E (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12209788B2 (en) 2019-08-16 2025-01-28 Messer Se & Co. Kgaa Device for metering carbon dioxide snow

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2836543B1 (fr) * 2002-02-25 2004-04-16 Olivo Reservoir renforce pour compartiment cryogenique de conteneur isotherme
FR2839774B1 (fr) 2002-05-17 2004-07-02 Olivo Reservoir cryogenique a diffusion adaptable pour conteneur isotherme
FR2886002B1 (fr) * 2005-05-20 2007-09-21 Olivo Sa Conteneur isotherme et dispositif d'injection d'un refrigerant dans ce conteneur
FR2891354B1 (fr) * 2005-09-28 2007-11-16 Air Liquide Receptacle de neige carbonique a double compartiment pour conteneurs isothermes
EP2336684B1 (de) 2009-12-21 2013-04-03 Messer France S.A.S. Befüllvorrichtung zum Befüllen eines einem Kühlbehälter zugeordneten Kältemittel-Aufnahmefachs mit einem kryogenen Kältemittel
NL1039372C2 (nl) * 2011-02-09 2013-12-30 Acp Polska Spolka Z Ograniczona Odpowiedzialnoscia Systeem voor het inbrengen van koelmiddel in een container.
DE102014008902A1 (de) 2014-06-14 2015-12-17 Gebhardt Transport- Und Lagersysteme Gmbh Thermosperre für Kühlbehälter
DE102015009647B3 (de) * 2015-07-24 2016-10-06 Messer France S.A.S Füllvorrichtung zum Befüllen eines einem Kühlbehälter zugeordneten Kältemittel-Aufnahmefachs mit einem kryogenen Kältemittel
DE102015009645B4 (de) 2015-07-24 2020-01-16 Messer France S.A.S Füllvorrichtung zum Befüllen eines einem Kühlbehälter zugeordneten Kältemittel-Aufnahmefachs mit einem kryogenen Kältemittel
EP3246642A1 (de) 2016-05-19 2017-11-22 Olivo Kryogenischer behälter für die kühlabteilung eines wärmeschutzbehälters
DE102018009755B4 (de) 2018-12-12 2020-12-03 Messer Group Gmbh Vorrichtung zum Beladen eines Kältemittel-Aufnahmefachs eines Kühlbehälters mit Trockeneis
MX2021011270A (es) * 2019-03-20 2021-10-01 Cryologistics Refrigeration Tech Ltd Sistema de refrigeracion pasiva utilizando nieve carbonica.

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4376511A (en) * 1981-04-01 1983-03-15 Franklin Jr Paul R CO2 Snow forming copper line
FR2706990B1 (de) * 1993-06-23 1995-08-04 Carboxyque Francaise
FR2706920A1 (en) 1993-06-24 1994-12-30 Bricaud Motor Clamp for gripping, handling and positioning constructional elements such as kerbstones
DE69510025T2 (de) * 1994-12-15 1999-12-09 He Holdings Inc., Los Angeles CO2-Sprühdüse mit Mehrfachöffnung
FR2751623B1 (fr) 1996-07-23 1998-09-04 Olivo Conteneur isotherme avec bac refrigerant
FR2752049B1 (fr) * 1996-07-30 1998-09-11 Olivo Conteneur isotherme avec reserve de frigories
FR2752456B1 (fr) * 1996-08-13 1999-01-08 Grandi Rene Vincent Dispositif pour le transfert regule de frigories entre une reserve et une enceinte de conservation

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12209788B2 (en) 2019-08-16 2025-01-28 Messer Se & Co. Kgaa Device for metering carbon dioxide snow

Also Published As

Publication number Publication date
ES2194429T3 (es) 2003-11-16
DE69906854T2 (de) 2003-11-20
FR2776056A1 (fr) 1999-09-17
DE69906854D1 (de) 2003-05-22
EP0942244A1 (de) 1999-09-15
PT942244E (pt) 2003-06-30
FR2776056B1 (fr) 2000-05-26

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