EP1475589A2 - Procédé de refroidissement d'éléments de refroidissement en forme de plaque et/ou produits réfrigérés et dispositif approprié - Google Patents

Procédé de refroidissement d'éléments de refroidissement en forme de plaque et/ou produits réfrigérés et dispositif approprié Download PDF

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Publication number
EP1475589A2
EP1475589A2 EP04006494A EP04006494A EP1475589A2 EP 1475589 A2 EP1475589 A2 EP 1475589A2 EP 04006494 A EP04006494 A EP 04006494A EP 04006494 A EP04006494 A EP 04006494A EP 1475589 A2 EP1475589 A2 EP 1475589A2
Authority
EP
European Patent Office
Prior art keywords
cooling
cooling device
support frame
elements
support
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
EP04006494A
Other languages
German (de)
English (en)
Other versions
EP1475589B1 (fr
EP1475589A3 (fr
Inventor
Ralf Ehlert
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.)
Welita GmbH
Original Assignee
Welita 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
Priority claimed from DE20307235U external-priority patent/DE20307235U1/de
Priority claimed from DE20311769U external-priority patent/DE20311769U1/de
Application filed by Welita GmbH filed Critical Welita GmbH
Publication of EP1475589A2 publication Critical patent/EP1475589A2/fr
Publication of EP1475589A3 publication Critical patent/EP1475589A3/fr
Application granted granted Critical
Publication of EP1475589B1 publication Critical patent/EP1475589B1/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
    • F25D13/00—Stationary devices, e.g. cold-rooms
    • 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
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/005—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces in cold rooms
    • 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
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
    • F25D17/08—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation using ducts
    • 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
    • F25D25/00—Charging, supporting, and discharging the articles to be cooled
    • 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
    • F25D3/02—Devices using other cold materials; Devices using cold-storage bodies using ice, e.g. ice-boxes
    • F25D3/04—Stationary cabinets
    • 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
    • F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
    • F25D2317/06—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation
    • F25D2317/066—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by the air supply
    • F25D2317/0664—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by the air supply from the side
    • 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
    • F25D2323/00—General constructional features not provided for in other groups of this subclass
    • F25D2323/06—Details of walls not otherwise covered
    • F25D2323/061—Collapsible walls
    • 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
    • F25D2400/00—General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
    • F25D2400/20—Carts specially adapted for transporting objects to be cooled
    • 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
    • F25D2400/00—General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
    • F25D2400/28—Quick cooling
    • 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
    • F25D2400/00—General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
    • F25D2400/30—Quick freezing
    • 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

Definitions

  • the invention relates to a method for cooling plate-shaped Cooling elements and / or refrigerated goods.
  • the invention relates to a suitable cooling device for plate-shaped cooling elements and / ordegutyour to carry out the process.
  • Plate-shaped cooling elements so-called eutectic plates, especially in insulated transport containers used to transport the goods, in particular food, to keep cool during transport. It is a matter of hermetically sealed body, filled with a filling a large heat storage capacity are provided and the are so suitable to the environment over a longer period of time To extract heat, while warming themselves. After They will be used again at a temperature below the desired transport space temperature cooled and are then reusable, resulting in a transport space cooling with dry ice considerable economic Offer benefits.
  • the object of the invention is therefore to specify a method with which the heat extraction is to accelerate, so that the desired operating temperature is reached faster.
  • this object is achieved by a method the features of claim 1 and an air-powered cooling device solved with the features of claim 5.
  • the invention is based on the finding that a mere storage of a cooling element in a colder environment Therefore, it is less effective because of a transfer of Heat from the filling of the cooling element to the ambient air predominantly only by heat conduction. A heat release to the ambient air by convection, however, takes place hardly, because in the cold store a veil of cold air with correspondingly higher density the rise of warm air quantities obstructed from the boundary layers of the cooling element surfaces.
  • the inventive method has the advantage that the time required for the cooling of the cooling elements to 6 reduced to 9 hours, then the operating temperature is in Rule reached.
  • the cooling device according to the invention serves predominantly the cooling of plate-shaped cooling elements, wherein It is not excluded that also refrigerated goods for fast Cooling is stored directly in the support frame.
  • suitable wire baskets can be used. Suitable are in palletized foods such as yogurt cups in particular, simple plates as refrigerated goods.
  • the support frame for the cooling elements on four sides covered, with the front and back free remain so that an air duct is formed, which the Formation of a directed forced flow in the air gaps promotes between the cooling elements.
  • This embodiment achieves particularly good results, since dead spaces be avoided next to the supporting frames and by the directly on the supporting frames fitting panel of the air duct is designed so that only the open cross sections between the inserted cooling elements as an open flow cross-section be available.
  • each supporting frame can be several supporting frames with their open sides be positioned in front of each other, so that they form a common long air channel.
  • a further advantage is the support frames detachable from to form a base frame.
  • cooling elements can set-wise bundled in a support frame and outsourced become.
  • Perpendicular to the base frame is a fan support frame arranged.
  • the base frame a centering profile with at least one on one side next to the Standing area has arranged slope. Insists on Placing the support frame a slight offset against the intended standing area on the base frame, so slides the support frame, the slope down to the intended Position. It is, just in the embodiment with the reversely mounted cladding sheets, a largely Dense air duct in a simple way automatically when putting on created the supporting frames.
  • Fig. 2 shows the base frame 10 from above.
  • centering profiles 14 on the Base frame 10 is arranged, the feet 28 when placing lead the support frame 20, so that these in the longitudinal direction be positioned exactly on the intended stand area.
  • the centering profiles must contain bevels that slide allow the feet 28 of the support frame 20.
  • one-piece centering profiles 14 are used, which are shown in Fig. 4. These are from one single sheet metal blank made. Two employees against each other Slopes 14.1, 14.3 are over a middle one Profile spacing connected at a fixed distance. The upstanding ends of the slopes 14.1, 14.3 are each about Stand legs 14.2, 14.4 supported.
  • Additional centering 15 on a Quunterssteifungsange 16 of the base frame 10 provide for a corresponding accurate positioning in the transverse direction.
  • the support frame 20 then has feet that are compatible with the centering profiles 14, 15 are arranged, ie at the desired Position on the base frame exactly in the recess between the centering profiles 14, 15 are.
  • Fig. 3 shows a preferred embodiment of the support frame 20. This is at a stand area 20.1, one Cover surface 20.4 and on two side surfaces 20.2, 20.3 airtight is covered, wherein at least the fans 12 facing front and the parallel back are open.
  • the cover can be over with the support frame Connected cover plates 29.1, ..., 29.4 (see Fig. 6) take place, But it can also be provided by the customer in the cold store or in one Hochregal be provided, in which the inventive Cooling device is used.
  • Receiving elements 22, in particular L-shaped profiled rails, are arranged in a grid shape to cooling elements 30, but also to be able to store baskets filled with refrigerated goods.
  • the preferred embodiment includes a removable one Center support 27, which also arranged with grid-shaped Receiving elements 22 is provided.
  • a removable one Center support 27 On the ground and at the Ceiling of the support frame 20 are middle column guides 24, 26 arranged in pairs, in which the middle support 27 inserted can be.
  • the receiving elements 22 are so arranged that between two lying on it Cooling elements 30 forms an air gap 31, through which the Air flow generated by the fan sweeps.
  • the ones from Fan 12 sucked colder ambient air displaced in the air gaps from the used cooling elements 30th flowing heat.
  • the air gaps are about 20 mm high when using conventional eutectic plates as cooling elements 30 in the support frame 20.
  • the room air temperature in the cold store or otherwise enclosed space in which the inventive Cooling device 100 is between -21 ° C and -27 ° C, preferably -24 ° C.
  • Fig. 5 shows a perspective view of a possible Structure of the fan holding rack 11 with two in it arranged fans 12. The areas next to the fans 12 are sealed off by baffles, so that a flow channel is formed.
  • Fig. 6 shows a filled with cooling elements 30 support frame 20, at its top and bottom with cover plates 29.3, 29.4 and on its sides with cover plates 29.1, 29.2 is closed, so that with the cover plates 29.1, ..., 29.4 formed a rectangular air flow channel is to the air flow within the stack of cooling elements 30 to hold.
  • This is especially important to to keep the losses by currents to the outside so low that in a juxtaposition of multiple support frames 20, as shown in Fig. 1, also in the farthest from the fans remote support frame still a sufficient flow rate prevails.
  • the above-described dimensionally accurate positioning via centering profiles 14 is also a training measure a largely dense uniform air duct, which is extends through all supporting frames 20.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
EP04006494A 2003-05-08 2004-03-18 Procédé de refroidissement d'éléments de refroidissement en forme de plaque et/ou produits réfrigérés et dispositif approprié Expired - Lifetime EP1475589B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE20307235U 2003-05-08
DE20307235U DE20307235U1 (de) 2003-05-08 2003-05-08 Luft/Luft-Schnellkühlmaschine
DE20311769U 2003-07-29
DE20311769U DE20311769U1 (de) 2003-07-29 2003-07-29 Luftkanalkühlgestell

Publications (3)

Publication Number Publication Date
EP1475589A2 true EP1475589A2 (fr) 2004-11-10
EP1475589A3 EP1475589A3 (fr) 2005-12-21
EP1475589B1 EP1475589B1 (fr) 2011-08-10

Family

ID=32992108

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04006494A Expired - Lifetime EP1475589B1 (fr) 2003-05-08 2004-03-18 Procédé de refroidissement d'éléments de refroidissement en forme de plaque et/ou produits réfrigérés et dispositif approprié

Country Status (2)

Country Link
EP (1) EP1475589B1 (fr)
AT (1) ATE519997T1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005029907A1 (de) * 2005-06-26 2007-01-18 Ehlert-Desinger, Sylvia Umluftturbokühler für eutektische Platten
EP1939554A1 (fr) * 2006-12-28 2008-07-02 CANDY S.p.A. Récipient comprenant une plaque eutectique et réfrigérateur comportant un tel récipient
CN101486405B (zh) * 2008-01-14 2011-01-19 大荣汽车货运股份有限公司 蓄冷设备的防护装置
FR2992406A1 (fr) * 2012-06-26 2013-12-27 Futurinov Distributeur passif d'accumulateurs de froid et accumulateur de froid associe
US9873547B2 (en) 2013-03-15 2018-01-23 Tippmann Companies Llc Heat transfer system for warehoused goods
EP3798552A1 (fr) * 2019-09-25 2021-03-31 RWD Systemreinigung GmbH Procédé de refroidissement temporaire des marchandises à refroidir

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD732789S1 (en) 2014-01-29 2015-06-23 Tippmann Companies Llc Palletized product spacer

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB943675A (en) 1962-01-01 1963-12-04 Foster Refrigerator Corp Refrigerator
US4021213A (en) 1975-08-25 1977-05-03 Mcgraw-Edison Company Food storage refrigeration cabinet having optional fast chill cycle
US4736592A (en) 1986-12-22 1988-04-12 American Industrial Refrigeration, Inc. Apparatus and method for cooling produce and the like
WO2000054641A1 (fr) 1999-03-18 2000-09-21 Enersyst Development Center, L.L.C. Systeme de distribution et de remise en temperature / refrigeration de nourriture
US20030001468A1 (en) 2000-02-07 2003-01-02 H & R Industries, Inc. Cabinet cooler

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20307235U1 (de) * 2003-05-08 2003-09-18 Welita Waerme Elektro Und Lich Luft/Luft-Schnellkühlmaschine

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB943675A (en) 1962-01-01 1963-12-04 Foster Refrigerator Corp Refrigerator
US4021213A (en) 1975-08-25 1977-05-03 Mcgraw-Edison Company Food storage refrigeration cabinet having optional fast chill cycle
US4736592A (en) 1986-12-22 1988-04-12 American Industrial Refrigeration, Inc. Apparatus and method for cooling produce and the like
WO2000054641A1 (fr) 1999-03-18 2000-09-21 Enersyst Development Center, L.L.C. Systeme de distribution et de remise en temperature / refrigeration de nourriture
US20030001468A1 (en) 2000-02-07 2003-01-02 H & R Industries, Inc. Cabinet cooler

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005029907A1 (de) * 2005-06-26 2007-01-18 Ehlert-Desinger, Sylvia Umluftturbokühler für eutektische Platten
DE102005029907B4 (de) * 2005-06-26 2007-08-30 Ehlert-Desinger, Sylvia Umluftkühlmaschine für eutektische Platten
DE102005029907C5 (de) * 2005-06-26 2016-05-19 Kramer Gmbh Umluftkühlmaschine für eutektische Platten
EP1939554A1 (fr) * 2006-12-28 2008-07-02 CANDY S.p.A. Récipient comprenant une plaque eutectique et réfrigérateur comportant un tel récipient
CN101486405B (zh) * 2008-01-14 2011-01-19 大荣汽车货运股份有限公司 蓄冷设备的防护装置
FR2992406A1 (fr) * 2012-06-26 2013-12-27 Futurinov Distributeur passif d'accumulateurs de froid et accumulateur de froid associe
EP2679940A2 (fr) * 2012-06-26 2014-01-01 Futurinov Distributeur passif d'accumulateurs de froid et accumulateur de froid associé
EP2679940A3 (fr) * 2012-06-26 2014-01-15 Futurinov Distributeur passif d'accumulateurs de froid et accumulateur de froid associé
US9873547B2 (en) 2013-03-15 2018-01-23 Tippmann Companies Llc Heat transfer system for warehoused goods
US10301067B2 (en) 2013-03-15 2019-05-28 Tippmann Companies Llc Heat transfer system for warehoused goods
US10807764B2 (en) 2013-03-15 2020-10-20 Tippmann Engineering LLC Heat transfer system for warehoused goods
EP3798552A1 (fr) * 2019-09-25 2021-03-31 RWD Systemreinigung GmbH Procédé de refroidissement temporaire des marchandises à refroidir

Also Published As

Publication number Publication date
ATE519997T1 (de) 2011-08-15
EP1475589B1 (fr) 2011-08-10
EP1475589A3 (fr) 2005-12-21

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