EP0261033B1 - Structure isotherme - Google Patents

Structure isotherme Download PDF

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Publication number
EP0261033B1
EP0261033B1 EP87402065A EP87402065A EP0261033B1 EP 0261033 B1 EP0261033 B1 EP 0261033B1 EP 87402065 A EP87402065 A EP 87402065A EP 87402065 A EP87402065 A EP 87402065A EP 0261033 B1 EP0261033 B1 EP 0261033B1
Authority
EP
European Patent Office
Prior art keywords
structure according
wall
foam material
block
foam
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
EP87402065A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0261033A1 (fr
Inventor
Jean-Louis Neret
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.)
LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
Original Assignee
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 LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude filed Critical LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
Priority to AT87402065T priority Critical patent/ATE59827T1/de
Publication of EP0261033A1 publication Critical patent/EP0261033A1/fr
Application granted granted Critical
Publication of EP0261033B1 publication Critical patent/EP0261033B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F17C13/001—Thermal insulation specially adapted for cryogenic vessels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/38—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents with thermal insulation
    • B65D81/3813—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents with thermal insulation rigid container being in the form of a box, tray or like container
    • B65D81/3823—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents with thermal insulation rigid container being in the form of a box, tray or like container formed of different materials, e.g. laminated or foam filling between walls
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/03—Thermal insulations
    • F17C2203/0304—Thermal insulations by solid means
    • F17C2203/0329—Foam
    • F17C2203/0333—Polyurethane
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
    • F17C2203/0602—Wall structures; Special features thereof
    • F17C2203/0612—Wall structures
    • F17C2203/0626—Multiple walls
    • F17C2203/0629—Two walls

Definitions

  • the present invention relates to an isothermal structure, in particular for the manufacture of cryogenic receptacles and cryogenic cooling tunnels, of the type comprising a rigid external wall, a rigid internal wall and, between these two walls, thermal insulation means comprising a block of rigid closed cell foam, the external part of this block being bonded by its external face to the external wall.
  • the object of the invention is to provide a technique making it possible to produce isothermal structures of all shapes, in particular of large dimensions, having improved mechanical strength and good quality of insulation and which are relatively light and compact.
  • the block of foam forms a spacer between the two walls, the space delimited between the latter being under vacuum.
  • the container shown is an open, generally parallelepipedal container intended to contain a cryogenic liquid, for example liquid nitrogen, in order to carry out deep-freezing operations by immersion of food products in this liquid. It consists of a composite outer shell 2 in contact with the ambient air, and of main thermal insulation means 3 disposed between these two envelopes.
  • a cryogenic liquid for example liquid nitrogen
  • the casing 1 is made of stainless steel sheet at least 1.5 mm thick and has the shape of a parallelepiped open upwards. Along its upper edge, it has a horizontal outer crown 4 which ends in a vertical wing 5 directed downwards.
  • the envelopes 1 and 2 delimit an inter-wall space which the insulation means 3 fill.
  • the latter consist of a rigid block which occupies the entire inter-wall and therefore as a whole has the general shape of a bowl. parallelepiped.
  • This block is composed of three sub-blocks of cup-shaped foam nested one inside the other, with the interposition of reflective screens between these sub-blocks and between the innermost sub-block and the adjacent casing 1.
  • Each screen is made of aluminum foil, the reflective side of which faces the inside of the container.
  • the outer casing 2 a foam sub-block 15, a screen 16 of aluminum foil, a sub-block 17 in foam, a screen 18 in aluminum foil, a sub-block 19 in foam, a screen 20 in aluminum foil, and the inner casing 1.
  • a mass of complementary hard foam 21 completes the insulation means 3 to fill the space delimited between, the bowl 15, the crown 4 with its wing 5 and the flanges 7 and 10.
  • the bowl 15 can be coated externally a reflective screen made of aluminum foil (not shown), or else the internal face of the sheet 9 can be made reflective.
  • each of these bowls consists of a set of rectangular aluminum sheets (screen 16, 18 and 20) or rectangular plates of foam (bowls 15, 17 and 19, mass 21 juxtaposed.
  • the foam used both for the mass 14 and for the insulation means 3 is a closed cell foam sufficiently hard to serve as a spacer between the flat plates constituting the envelopes 1 and 2.
  • a compromise is chosen; satisfactory results have been obtained with a polyurethane foam having a density of the order of 50 to 100 kg / m 3 , preferably from 50 to 60 kg / m 3 .
  • a polyurethane foam having such a density and commercially available under the brand "KLEGE-CEL" this foam having been pre-steamed to reduce the pumping time for vacuuming.
  • a housing 22 in which is disposed a suitable quantity of an adsorbent 23.
  • an adsorbent 23 for a container liquid nitrogen, a mixture of activated carbon and zeolites can be chosen as absorbent.
  • the hardness of the foam is chosen to be sufficient to ensure effective support for the two envelopes when the vacuum is achieved.
  • the two envelopes do not undergo any significant deformation, atmospheric pressure ensuring uniform and regular support of their plates on the foam, while allowing relative expansions-contractions of the two envelopes.
  • Putting the foam under vacuum improves its coefficient of thermal conductivity and makes it possible, for identical performance, to reduce the total thickness of foam and, consequently, the cost and size of the container.
  • the presence of aluminum screens reduces heat losses by radiation.
  • the casing 2 has good resistance to bending and can be used to hang the container support, for example feet (not shown), directly on its external wall 6, while maintaining a uniform support of the sheets on the foam.
  • the container then itself participates in the mechanical strength of the assembly, and one can do without any support frame, which is very advantageous from the point of view of space and construction cost, in particular for large containers.
  • the bonding of the foam 14 on its only outer face, that is to say the sheet 6, may be sufficient to ensure the necessary mechanical strength of the container. We can then do without sheet metal 9, preferably by replacing it with a reflective aluminum sheet. Furthermore, when the foam 6 is bonded to the two sheets 6 and 9, the presence of the rim 10 is optional and essentially has a safety role.
  • the bonding is carried out in a region isolated from the very cold part of the container, where the glue would not resist, and this bonding does not interfere with the expansions-contractions in the cold part.
  • the profile 13 is arranged so as to optimally cut the thermal connection between the sheets 6 and 9, which avoids the appearance of frost in the region of the rim 7.
  • the construction technique described above can also be applied to the manufacture of other insulating structures intended to maintain a very cold atmosphere, for example food freezing tunnels or cryogenic cooling of objects.
  • the rigidity of the construction in fact makes it possible to economically produce and with a reduced overall dimensions open large shapes, in particular with flat faces, which practically do not deform, and in particular tunnel covers with inverted U section having a length of the order of ten times the width and greater than 10 m.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Packages (AREA)
  • Materials For Medical Uses (AREA)
  • Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Refrigerator Housings (AREA)
  • Freezing, Cooling And Drying Of Foods (AREA)
  • Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
  • Building Environments (AREA)
EP87402065A 1986-09-18 1987-09-16 Structure isotherme Expired - Lifetime EP0261033B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87402065T ATE59827T1 (de) 1986-09-18 1987-09-16 Isolierende struktur.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8613061A FR2604157B1 (fr) 1986-09-18 1986-09-18 Structure isotherme
FR8613061 1986-09-18

Publications (2)

Publication Number Publication Date
EP0261033A1 EP0261033A1 (fr) 1988-03-23
EP0261033B1 true EP0261033B1 (fr) 1991-01-09

Family

ID=9339065

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87402065A Expired - Lifetime EP0261033B1 (fr) 1986-09-18 1987-09-16 Structure isotherme

Country Status (11)

Country Link
EP (1) EP0261033B1 (ja)
JP (1) JPS6392897A (ja)
AT (1) ATE59827T1 (ja)
AU (1) AU596216B2 (ja)
CA (1) CA1318267C (ja)
DE (1) DE3767257D1 (ja)
DK (1) DK164658C (ja)
ES (1) ES2021076B3 (ja)
FR (1) FR2604157B1 (ja)
GR (1) GR3001742T3 (ja)
NZ (1) NZ221814A (ja)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1989000265A1 (en) * 1987-06-29 1989-01-12 Norman Lindsay Wood Angled laminate panel, apparatus and method of manufacture
FR2664240B1 (fr) * 1990-07-04 1992-10-23 Hernas Bernard Caisse isotherme et son procede de fabrication.
KR100400148B1 (ko) * 1995-04-13 2004-04-21 헌트스만 인터내셔날, 엘엘씨 비평면탈기절연패널및그의제조방법
DE19519407A1 (de) * 1995-05-26 1996-11-28 Aeg Hausgeraete Gmbh Back- und Bratofenmuffel
US6632648B1 (en) 1996-05-14 2003-10-14 Elan Drug Delivery Limited Methods of terminal sterilization of fibrinogen
US20020114937A1 (en) * 2000-04-06 2002-08-22 Albert Donald F. Insulated barriers and methods for producing same
US7005181B2 (en) 2000-04-06 2006-02-28 American Aerogel Corporation Organic, open cell foam materials, their carbonized derivatives, and methods for producing same
FR2900135B1 (fr) * 2006-04-24 2009-11-27 Philippe Assouly DISPOSITIF FAIT D'UN POT ISOTHERME ET DE RECIPIENTS A USAGE UNIQUE DESTINES A RECEVOIR l'AZOTE LIQUIDE POUR SES USAGES THERAPEUTIQUES MEDICAUX
NL2001023C2 (nl) * 2007-11-20 2009-05-25 Coltratech B V Thermisch geïsoleerde houder voorzien van ten minste twee gestapelde lagen vacuüm isolatiepanelen.
WO2023196979A2 (en) * 2022-04-08 2023-10-12 Isthmus Cryotech, Inc. Cryogenic cooling apparatus and related methods

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2485647A (en) * 1945-10-26 1949-10-25 Glenn H Norquist Insulated container structure
US3682346A (en) * 1970-03-23 1972-08-08 Marathon Oil Co Liquid cryogen storage tank for shore, ship or barge
US3695483A (en) * 1970-11-27 1972-10-03 Louis A Pogorski Thermal insulation and thermally insulated device
JPS5828235B2 (ja) * 1974-09-20 1983-06-14 ニホンソフランカコウ カブシキガイシヤ ボウネツソウノケイセイホウホウ
FR2458740A1 (fr) * 1979-06-08 1981-01-02 Technigaz Procede de construction d'un reservoir de stockage d'un liquide a basse temperature
JPS597416B2 (ja) * 1981-08-10 1984-02-18 株式会社クラレ 乳蛋白質繊維束成形物の製造法
US4492725A (en) * 1982-07-20 1985-01-08 Matsushita Electric Industrial Co., Ltd. Composite thermal insulator

Also Published As

Publication number Publication date
JPS6392897A (ja) 1988-04-23
DK164658B (da) 1992-07-27
FR2604157A1 (fr) 1988-03-25
NZ221814A (en) 1989-01-06
ATE59827T1 (de) 1991-01-15
DK485487A (da) 1988-03-17
EP0261033A1 (fr) 1988-03-23
DK485487D0 (da) 1987-09-16
GR3001742T3 (en) 1992-11-23
DK164658C (da) 1992-12-14
ES2021076B3 (es) 1991-10-16
AU7860887A (en) 1988-03-24
AU596216B2 (en) 1990-04-26
CA1318267C (fr) 1993-05-25
DE3767257D1 (de) 1991-02-14
FR2604157B1 (fr) 1989-09-01

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