EP1429093B1 - Alimentation en neige carbonique d'une dispositif pour maintien en du température - Google Patents

Alimentation en neige carbonique d'une dispositif pour maintien en du température Download PDF

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Publication number
EP1429093B1
EP1429093B1 EP03028059A EP03028059A EP1429093B1 EP 1429093 B1 EP1429093 B1 EP 1429093B1 EP 03028059 A EP03028059 A EP 03028059A EP 03028059 A EP03028059 A EP 03028059A EP 1429093 B1 EP1429093 B1 EP 1429093B1
Authority
EP
European Patent Office
Prior art keywords
snow
carbon dioxide
box
snow box
dioxide snow
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
EP03028059A
Other languages
German (de)
English (en)
Other versions
EP1429093A3 (fr
EP1429093A2 (fr
Inventor
Wolfgang Büst
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 EP1429093A2 publication Critical patent/EP1429093A2/fr
Publication of EP1429093A3 publication Critical patent/EP1429093A3/fr
Application granted granted Critical
Publication of EP1429093B1 publication Critical patent/EP1429093B1/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
    • F25D3/12—Devices using other cold materials; Devices using cold-storage bodies using solidified gases, e.g. carbon-dioxide snow
    • 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
    • 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
    • F25D2303/00—Details of devices using other cold materials; Details of devices using cold-storage bodies
    • F25D2303/08—Devices using cold storage material, i.e. ice or other freezable liquid
    • F25D2303/082—Devices using cold storage material, i.e. ice or other freezable liquid disposed in a cold storage element not forming part of a container for products to be cooled, e.g. ice pack or gel accumulator
    • 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
    • F25D2303/00—Details of devices using other cold materials; Details of devices using cold-storage bodies
    • F25D2303/08—Devices using cold storage material, i.e. ice or other freezable liquid
    • F25D2303/082—Devices using cold storage material, i.e. ice or other freezable liquid disposed in a cold storage element not forming part of a container for products to be cooled, e.g. ice pack or gel accumulator
    • F25D2303/0822—Details of the element

Definitions

  • the invention relates to a snow box for receiving carbon dioxide snow, which is generated in the supply of liquid carbon dioxide in the snow box, with a filling nozzle and a baffle plate and an opening for dispensing carbon dioxide sublimate inside a device for temperature maintenance of refrigerated goods.
  • the temperature of refrigerated goods, z As refrigerated food or pharmaceuticals, is required to maintain the quality, as in many cases a desired storage temperature may not be exceeded. This is especially true for food transport, whereby for transport generally important criteria such as low transport weight and independence from a permanent energy supply are added. In addition, the demands on the flexibility of such a temperature attitude with respect to the temperature level and the storage life have increased sharply.
  • containers are used for keeping the temperature with dry ice, but they can only fulfill the task of keeping the temperature within a tight time limit at a defined temperature level.
  • a dosage of the dry ice adapted to the desired storage time is difficult because of its availability in blocks.
  • it may come through direct contact with the refrigerated goods to undesirable effects on food quality.
  • Another method for keeping temperature is the cooling using carbon dioxide snow.
  • This method is for example in the from the US 5,511,379 known cooling device used.
  • liquid carbon dioxide is converted into carbon dioxide snow and carbon dioxide gas through the use of a nozzle / baffle plate system.
  • the cooling takes place by the energy requirement of the occurring sublimation of the carbon dioxide snow and by the resulting cold gas.
  • the coolant flows over the mentioned nozzle / baffle plate system, whereby coolant snow and coolant gas are formed.
  • This document shows a snow box according to the preamble of claim 1.
  • the present invention has for its object to provide an economical solution for keeping the temperature of refrigerated goods available.
  • the object is achieved by a snow box whose walls and their bottom and the ceiling have a glass fiber reinforced plastic.
  • the fiberglass-reinforced plastic has the advantages of being heat-insulating, of low weight and easy to process.
  • a grid covering the opening is provided, which prevents the escape of carbon dioxide snow from the opening. Only the carbon dioxide sublimate can pass through the grid and come into contact with the refrigerated goods. This achieves uniform cooling of the chilled goods and protection against local frost damage, which could occur if the chilled product were in direct contact with the carbon dioxide snow.
  • At least one handle is provided on the outside of the snow box, with the help of which the snow box can be easily fed to a device for temperature maintenance and removed again therefrom.
  • FIG. 1 a snow box 1 for receiving carbon dioxide snow, which is generated in the supply of liquid carbon dioxide in the snow box 1, with a filling nozzle 2 and a baffle plate 3 and an opening 4 for dispensing Kohlendioxidsublimat inside a device for temperature maintenance of refrigerated goods, not shown is.
  • the walls and the floor and the ceiling of the snow box 1 has a glass fiber reinforced plastic.
  • the snow box 1 is made of glass fiber reinforced plastic with a shaped seam.
  • the filling nozzle 2 is made in this example of brass and is connected to the snow box 1 via a screw connection.
  • the baffle plate 3 is also made of brass in this example.
  • the opening 4 is covered by a wire mesh or fabric 5, which is fastened for example via a clamping connection. Through the wire grid 5, the carbon dioxide snow is retained in the snow box 1, only the carbon dioxide sublime can happen and flow into the interior of a device for keeping temperaturechen, the snow box 1 is usually mounted in the upper part of such a device.
  • FIG. 2 and in the FIG. 3 are sectional views of the filling nozzle 2 and the opening 4 for the discharge of carbon dioxide sublimate shown.
  • the FIG. 4 shows a transport device 6 for receiving and transporting in this example ten snow boxes 1, which is formed open at the top and close the side walls above with a sealing surface 7.
  • brackets 8 for attachment of the snow boxes 1 can be seen.
  • brackets are provided as brackets.
  • a combined display and input unit 9 is provided on the display either a customer number and / or the desired amount of carbon dioxide snow in the snow box 1 and / or entered.
  • the achievement of the desired level of the snow box 1 with carbon dioxide snow or the achievement of the desired addition amount of liquid carbon dioxide can be displayed.
  • the FIG. 5 shows a snowmaking unit 10, in which the filling of z. B. ten snow boxes 1 with carbon dioxide snow, a hood 11 is provided, the gas-tight with the sealing surface 7 in the FIG. 4 shown transport device 6 is connectable.
  • the snowmaking unit is also connectable to liquid carbon dioxide feeds 12.
  • two feeders 12 are shown, which are each equipped with a further supply line 13 for gaseous carbon dioxide for rinsing the feeders 12.
  • the feeder 12 has, for example, a ball valve 23.
  • the supply line 13 can be shut off via a solenoid valve 24 and has a check valve 25.
  • the space under the hood 11 is open in the gas-tight connected to the transport device 6 state to a gas discharge system 14 out.
  • the gas discharge system 14 includes a fan (eg, a centrifugal fan) that draws the gaseous portion of carbon dioxide resulting from the generation of carbon dioxide snow.
  • the gaseous carbon dioxide is removed via the gas discharge system 14 from the snowmaking unit 10 and either discharged into the ambient air or fed to a recovery.
  • the hood 11 is shown in the open state. In this state, one can well see the lateral opening 15 of the hood 11, which allows the just described discharge of the gaseous carbon dioxide content in the gas-tight connected to the transport device state.
  • the path of the derived carbon dioxide gas is shown schematically by the broad arrow by an eruption in the drawing.
  • FIG. 5 two lifting cylinders 16 for lifting and lowering the hood 11.
  • the lifting cylinders are pneumatically operated in the present example.
  • the hood 11 moves pneumatically down and forms a unit with the transport device. 6
  • a snow box 1 When supplying a device for keeping temperature with carbon dioxide snow, a snow box 1 is used to absorb carbon dioxide snow. When supplying liquid carbon dioxide in the snow box 1 3 carbon dioxide snow is generated with the help of the baffle plate, the carbon dioxide sublimate is discharged into the interior of the device for temperature maintenance of refrigerated goods. For receiving and transporting z. B. ten snow boxes 1, a transport device 6 is used, which open at the top and close off the side walls above with a sealing surface 7 and are provided in derem holders inside 8 for attachment of the snow boxes 1.
  • the snow boxes 1 are transported by means of the transport device 6 to a snowmaking unit 10, with the help of the snow boxes 1 are filled with carbon dioxide snow, the snowmaking unit 10 having a hood 11 which is gas-tight with the sealing surface 7 of the transport device 6 is connected and z. B. with two feeders 12 for liquid carbon dioxide is connectable.
  • the feeders 12 each have a clamping cylinder 20 for one nozzle tube 19 each with a guide 21.
  • a holder 22 is provided for the clamping cylinder 20 and the nozzle tube 19, a holder 22 is provided.
  • the nozzle tubes 19 are moved with the clamping cylinders 20 in the guide tubes 21 down.
  • the contact pressure of the nozzle tubes 19 causes the seal.
  • the snow boxes 1 are transported after snowmaking with carbon dioxide snow with the help of the transport device 6 to one or more devices for temperature maintenance of refrigerated goods and it is used in each case at least one snow box 1 in a device for temperature maintenance of refrigerated goods.
  • the amount of carbon dioxide snow, which should be at the end of the snowmaking in each snow box 1, can be set individually and repeatedly automatically reproducible for each snow box 1.
  • Serves the combined display and input unit 9 and the switching and control cabinet 17, which in the FIG. 5 are shown.
  • the customer number or other allocation feature that allows the allocation of a particular desired amount of carbon dioxide snow to be filled can be entered.
  • This feature is sent to a central controller 17 electronically forwarded.
  • This central controller 17 automatically adjusts the amount of carbon dioxide to be charged according to a stored carbon dioxide snow profile for each individual snow box 1.
  • the present invention is particularly suitable for transport cooling or temperature maintenance of refrigerated goods such. As food or pharmaceuticals during transport.
  • the device for temperature maintenance is advantageously equipped to improve the loading characteristics with rollers.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Reinforced Plastic Materials (AREA)

Claims (4)

  1. Boîte à neige (1) destinée à recevoir de la neige carbonique, qui est produite lors de l'alimentation en dioxyde de carbone liquide dans la boîte à neige (1), comprenant une tubulure de remplissage (2) et une plaque d'incidence (3) ainsi qu'une ouverture (4) pour distribuer le sublimat de dioxyde de carbone à l'intérieur d'un dispositif de maintien en température de produit à refroidir, caractérisée en ce que les parois et le fond ainsi que le couvercle de la boîte à neige (1) présentent un plastique renforcé par des fibres de verre.
  2. Boîte à neige (1) selon la revendication 1, caractérisée en ce que la tubulure de remplissage (2) et la plaque d'incidence (3) se composent d'un matériau contenant du métal, notamment d'un matériau contenant du laiton.
  3. Boîte à neige (1) selon la revendication 1 ou 2, caractérisée en ce qu'il est prévu une grille (5) recouvrant l'ouverture (4), laquelle empêche la sortie de neige carbonique hors de l'ouverture (4).
  4. Boîte à neige (1) selon l'une quelconque des revendications 1 à 3, caractérisée en ce qu'au moins une poignée de préhension (18) est prévue à l'extérieur sur la boîte à neige (1).
EP03028059A 2002-12-13 2003-12-08 Alimentation en neige carbonique d'une dispositif pour maintien en du température Expired - Lifetime EP1429093B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10258419 2002-12-13
DE10258419A DE10258419A1 (de) 2002-12-13 2002-12-13 Versorgung einer Einrichtung zur Temperaturhaltung mit Kohlendioxidschnee

Publications (3)

Publication Number Publication Date
EP1429093A2 EP1429093A2 (fr) 2004-06-16
EP1429093A3 EP1429093A3 (fr) 2009-03-18
EP1429093B1 true EP1429093B1 (fr) 2011-05-11

Family

ID=32319097

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03028059A Expired - Lifetime EP1429093B1 (fr) 2002-12-13 2003-12-08 Alimentation en neige carbonique d'une dispositif pour maintien en du température

Country Status (3)

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EP (1) EP1429093B1 (fr)
AT (1) ATE509245T1 (fr)
DE (1) DE10258419A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL238731A (en) * 2015-05-10 2016-04-21 Reut Rosenblum Sterile hot water cooling facility
DE102018009755B4 (de) * 2018-12-12 2020-12-03 Messer Group Gmbh Vorrichtung zum Beladen eines Kältemittel-Aufnahmefachs eines Kühlbehälters mit Trockeneis

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3714793A (en) * 1971-01-18 1973-02-06 Union Carbide Corp Intransit liquefied gas refrigeration system
US3807187A (en) * 1973-04-05 1974-04-30 Chemetron Corp Hood and method for generating carbon dioxide snow
US3971231A (en) * 1974-03-27 1976-07-27 Juanita Derry Refrigerator with dry ice coolant
FR2534130B1 (fr) * 1982-10-08 1986-10-17 Beizermann Michel Chariot de stockage des repas avant rechauffage et moyens de mise en oeuvre
FR2604243B3 (fr) * 1986-09-19 1988-12-23 Anhydride Carbonique Ind Procede de fabrication d'une masse accumulatrice de froid a partir d'anhydride carbonique et accumulateur obtenu.
FR2706990B1 (fr) 1993-06-23 1995-08-04 Carboxyque Francaise
FR2760826B1 (fr) * 1997-03-11 1999-04-23 Carboxyque Francaise Chariot refrigere et installation de rechargement en agent refrigerant
US6220051B1 (en) * 1998-06-16 2001-04-24 Cool Pack System Corp. Compact rapid chilling system and method for reserving cold
US6212901B1 (en) * 1999-06-26 2001-04-10 Kenneth R. Pint Dry ice cooler
IT1309890B1 (it) * 1999-07-30 2002-02-05 Saldogas S R L Contenitori isotermici per il trasporto di prodotti termodeperibilimuniti di appositi vani per ospitare ghiaccio secco ed altri elementi

Also Published As

Publication number Publication date
ATE509245T1 (de) 2011-05-15
EP1429093A3 (fr) 2009-03-18
EP1429093A2 (fr) 2004-06-16
DE10258419A1 (de) 2004-06-24

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