EP1429093A2 - 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
EP1429093A2
EP1429093A2 EP03028059A EP03028059A EP1429093A2 EP 1429093 A2 EP1429093 A2 EP 1429093A2 EP 03028059 A EP03028059 A EP 03028059A EP 03028059 A EP03028059 A EP 03028059A EP 1429093 A2 EP1429093 A2 EP 1429093A2
Authority
EP
European Patent Office
Prior art keywords
snow
carbon dioxide
box
transport device
boxes
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.)
Granted
Application number
EP03028059A
Other languages
German (de)
English (en)
Other versions
EP1429093B1 (fr
EP1429093A3 (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 at the supply of liquid carbon dioxide is generated in the snow box with a filler neck and a baffle plate and an opening for dispensing carbon dioxide sublimate inside a device for maintaining the temperature of refrigerated goods, a transport device for receiving and transporting several snow boxes, as well as one Snowmaking unit for filling several snow boxes with carbon dioxide snow and a method for supplying a temperature maintenance device with Carbon dioxide snow, being a snow box to hold carbon dioxide snow is used, which generates when liquid carbon dioxide is fed into the snow box and its carbon dioxide sublimate into the interior of the temperature maintenance device is delivered by refrigerated goods.
  • Containers equipped with dry ice are usually used for temperature maintenance, however, the task of maintaining the temperature only within narrow time limits can meet at a fixed temperature level.
  • Dosing of dry ice is based on availability due to its storage duration difficult in blocks. In addition, it can be done through direct contact with the Refrigerated goods come to undesirable impairments in food quality.
  • Another method of temperature maintenance is cooling using Carbon dioxide snow.
  • This method is used, for example, in the US 5,511,379 known cooling device used.
  • This turns liquid carbon dioxide through the use of a nozzle / baffle plate system in carbon dioxide snow and carbon dioxide gas converted.
  • the cooling takes place through the energy demand of the taking place Sublimation of the carbon dioxide snow and by the resulting cold Gas.
  • the coolant flows over the nozzle / baffle system mentioned, whereby Coolant snow and coolant gas are generated.
  • Via a container for coolant snow and a cargo space for receiving refrigerated goods, e.g. B. to be kept cold
  • the resulting coolant gas flows into the gap connecting the food Load container and absorbs the product heat there, whereby the refrigerated goods in the Cargo space is kept cold.
  • the present invention has for its object to provide an economical solution To keep the temperature of refrigerated goods available.
  • the glass fiber reinforced plastic has the advantages of heat insulation light weight and easy to process.
  • the filler neck and the baffle plate of the snow box preferably consist of one Metal-containing material, in particular a material containing brass, which creates optimal conditions for the production of carbon dioxide snow are.
  • a grid covering the opening is particularly preferably provided, which covers the Prevents carbon dioxide snow from escaping from the opening. Only the carbon dioxide sublimate can pass through the grid and come into contact with the refrigerated goods. This ensures even cooling of the refrigerated goods and protection against local ones Frost damage is achieved when the refrigerated goods come into direct contact with the carbon dioxide snow could occur.
  • At least one handle is expediently provided on the outside of the snow box, with the help of which the snow box can easily be used for a temperature maintenance device can be supplied and removed again.
  • the task is solved on the device side by the fact that To accommodate and transport several snow boxes an open top Transport device is provided, the side walls above with a sealing surface lock and in the inside brackets for fastening the snow boxes are provided.
  • each snow box there is preferably one on the outside of the transport device Sidewall of the transport device a combined display and input unit to disposal. For example, on this combined display and input unit Customer number are displayed and / or entered.
  • the task is performed on the device side by a snow-making unit solved in the case of filling several snow boxes with carbon dioxide snow a hood is provided which is gastight with a sealing surface of a transport device is connectable according to claim 5 or 6 and with at least one feed for Liquid carbon dioxide can be connected, the space under the hood being gas-tight state connected to the transport device an opening to a gas discharge system has.
  • At least one lifting cylinder is preferably provided for lifting and lowering the hood, in particular a pneumatically operated lifting cylinder.
  • the object is achieved in that a transport device used for receiving and transporting several snow boxes that are open at the top and end their side walls at the top with a sealing surface and in the interior of which brackets are provided for fastening the snow boxes are, the multiple snow boxes with the help of the transport device a snowmaking unit with which the snow boxes can be transported Carbon dioxide snow are filled, the snow-making unit having a hood, which can be connected in a gastight manner to the sealing surface of the transport device (x) and is connectable to at least one supply for liquid carbon dioxide, the Space under the hood in a gas-tight condition connected to the transport device (x) has an opening to a gas discharge system, and wherein the plurality Snow boxes filled with carbon dioxide snow with the help of snow Transport device to one or more devices for maintaining the temperature of Refrigerated goods are transported and at least one snow box in one facility is used to maintain the temperature of refrigerated goods.
  • the temperature maintenance device of refrigerated goods exclusively z. B. can be filled in a cold store, as with the snow box can be brought to the transport device which the temperature maintenance device is equipped with the refrigerated goods.
  • hood With the hood according to the invention, occupational safety when filling with Carbon dioxide increases since the connection and necessary with conventional systems There is no need to decouple the supply line to each individual snow box.
  • the connection of the Carbon dioxide supply is also advantageous without lowering the hood a worker comes into direct contact with the supply lines. The same applies for lifting the hood and the associated decoupling of the feed. Thereby the risk of frostbite z. B. avoided on the hands of an operator.
  • the system according to the invention consisting of snow box, transport device, snow-making unit and the device for temperature maintenance and the method according to the invention can very flexibly adapt to individual processes in a company with great advantage and be adapted to local conditions.
  • the walls and the floor and the ceiling of the snow box 1 has a glass fiber reinforced plastic.
  • Snow box 1 made of glass fiber reinforced plastic with a molded seam.
  • filler neck 2 is made of brass and is with snow box 1 connected via a screw connection.
  • the flapper 3 is in this example also made of brass.
  • the opening 4 is covered by a wire mesh or mesh 5, which is attached, for example, via a clamp connection. Through the wire mesh 5, the carbon dioxide snow is retained in the snow box 1, only that Carbon dioxide sublimate can pass and inside a temperature maintenance facility flow of refrigerated goods, the snow box 1 generally in the upper area such a device is appropriate.
  • FIG. 4 shows a transport device 6 for receiving and transporting in this example ten snow boxes 1, which is open at the top and whose Seal the side walls at the top with a sealing surface 7. Inside the transport device 6 brackets 8 for fastening the snow boxes 1 can be seen. Advantageous 8 brackets are provided as brackets. Furthermore, in FIG. 4 Combined display and input units 9 on the outside of the front side wall Transport device 6 shown. For each snow box 1 there is a combined display and Input unit 9 is provided on which either a customer number and / or the desired amount of carbon dioxide snow is displayed in the snow box 1 and / or is entered. Furthermore, reaching the desired fill level of the Snow box 1 with carbon dioxide snow or reaching the desired addition amount of liquid carbon dioxide.
  • FIG. 5 shows a snowmaking unit 10, in which for filling z. B. ten Snow boxes 1 with carbon dioxide snow a hood 11 is provided, which is gas-tight can be connected to the sealing surface 7 of the transport device 6 shown in FIG.
  • the snowmaking unit is also equipped with feeders 12 for liquid carbon dioxide connectable.
  • two feeders 12 are shown that each with a further feed line 13 for gaseous carbon dioxide for purging the Feeders 12 are equipped.
  • the feed 12 has, for example, a ball valve 23 on.
  • the feed line 13 can be shut off via a solenoid valve 24 and has a Check valve 25 on.
  • the space under the hood 11 is connected to the transport device 6 in a gas-tight manner State open to a gas discharge system 14.
  • the gas discharge system 14 comprises a fan (e.g. a centrifugal fan), which is used in the generation of Carbon dioxide snow is sucked into the gaseous fraction of carbon dioxide.
  • the Gaseous carbon dioxide is from the snowmaking unit via the gas discharge system 14 10 discharged and either released into the ambient air or a recovery fed.
  • the hood 11 is shown in the open state. In this condition you can see the side opening 15 of the hood 11, the gas-tight with the Transport device connected state the derivation of the gaseous just described Allows carbon dioxide share.
  • the path of the derived carbon dioxide gas is schematically represented by the wide arrow through an outbreak in the drawing.
  • FIG. 5 shows two lifting cylinders 16 for lifting and lowering the hood 11.
  • the lifting cylinders are operated pneumatically in the present example.
  • the hood 11 moves pneumatically downwards and forms a unit with the transport device 6th
  • a snow box 1 When supplying a temperature maintenance device with carbon dioxide snow, a snow box 1 is used to hold carbon dioxide snow. In the Liquid carbon dioxide is fed into the snow box 1 with the aid of the baffle plate 3 Generates carbon dioxide snow, the carbon dioxide sublimate of which inside the facility for keeping the temperature of refrigerated goods.
  • a transport device 6 For picking up and transporting from Z. B. ten snow boxes 1, a transport device 6 is used, according to open at the top and end their side walls at the top with a sealing surface 7 and in whose interior brackets 8 are provided for fastening the snow boxes 1.
  • the snow boxes 1 become a snow-making unit with the aid of the transport device 6 10 transported, with the help of the snow boxes 1 with carbon dioxide snow are filled, the snowmaking unit 10 having a hood 11 which is gas-tight is connectable to the sealing surface 7 of the transport device 6 and z.
  • B. with two Feeders 12 for liquid carbon dioxide can be connected.
  • the feeders 12 have specifically a clamping cylinder 20 for a nozzle tube 19 with a guide 21 on.
  • a holder 22 is provided for the clamping cylinder 20 and the nozzle tube 19.
  • the snow boxes 1 are made after the snowmaking with carbon dioxide snow the transport device 6 to one or more devices for temperature maintenance of refrigerated goods and there is at least one snow box 1 in a device for maintaining the temperature of refrigerated goods.
  • the amount of carbon dioxide snow that will end up in snowmaking in everyone Snow box 1 should be located for each snow box 1 individually and again and again can be set automatically reproducible.
  • the combined display and Input unit 9 and the switching and control cabinet 17 shown in FIG. 5 are.
  • the combined display and input unit 9 for each individual snow box 1 the customer number or another assignment feature, that the assignment of a certain desired amount of carbon dioxide snow for the Filling allowed to be entered.
  • This feature is sent to a central control 17 forwarded electronically.
  • This central control 17 sets the amount of to be filled Carbon dioxide automatically according to a saved profile for the Need for carbon dioxide snow for each individual snow box 1.
  • the amount of carbon dioxide snow that is in a Snow box 1 should be filled in by entering the desired cold keeping times to control.
  • the entry of this parameter via the combined display and Input unit 9 can be provided by a central control 17 if there is a corresponding one Conversion profile into the desired amounts of carbon dioxide snow and a this amount corresponding amount of liquid carbon dioxide supplied implemented become.
  • the present invention is particularly suitable for transport cooling or Temperature maintenance of refrigerated goods such as B. food or pharmaceuticals during a transport.
  • the device for temperature maintenance is used to improve the Loading properties advantageously equipped 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)
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
DE10258419A DE10258419A1 (de) 2002-12-13 2002-12-13 Versorgung einer Einrichtung zur Temperaturhaltung mit Kohlendioxidschnee
DE10258419 2002-12-13

Publications (3)

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

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

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108431534A (zh) * 2015-05-10 2018-08-21 罗于特·罗森布鲁姆 快速冷却热水的无菌装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018009755B4 (de) * 2018-12-12 2020-12-03 Messer Group Gmbh Vorrichtung zum Beladen eines Kältemittel-Aufnahmefachs eines Kühlbehälters mit Trockeneis

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5511379A (en) 1993-06-23 1996-04-30 Carboxyque Francaise Process for the preservation of products at low temperature in an insulated chamber, installation for practicing the process, insulated chamber and container for such a chamber

Family Cites Families (9)

* 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.
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

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5511379A (en) 1993-06-23 1996-04-30 Carboxyque Francaise Process for the preservation of products at low temperature in an insulated chamber, installation for practicing the process, insulated chamber and container for such a chamber

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108431534A (zh) * 2015-05-10 2018-08-21 罗于特·罗森布鲁姆 快速冷却热水的无菌装置
EP3295105A4 (fr) * 2015-05-10 2019-01-02 Rosenblum, Reut Dispositif stérile pour refroidissement rapide d'eau chaude

Also Published As

Publication number Publication date
EP1429093B1 (fr) 2011-05-11
EP1429093A3 (fr) 2009-03-18
DE10258419A1 (de) 2004-06-24
ATE509245T1 (de) 2011-05-15

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