EP3497384A1 - Récipient de transport - Google Patents

Récipient de transport

Info

Publication number
EP3497384A1
EP3497384A1 EP17758612.0A EP17758612A EP3497384A1 EP 3497384 A1 EP3497384 A1 EP 3497384A1 EP 17758612 A EP17758612 A EP 17758612A EP 3497384 A1 EP3497384 A1 EP 3497384A1
Authority
EP
European Patent Office
Prior art keywords
transport container
transport
chamber
latent heat
container according
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.)
Pending
Application number
EP17758612.0A
Other languages
German (de)
English (en)
Inventor
Nico Ros
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.)
REP IP AG
Original Assignee
REP IP AG
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 REP IP AG filed Critical REP IP AG
Publication of EP3497384A1 publication Critical patent/EP3497384A1/fr
Pending legal-status Critical Current

Links

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
    • F25D3/02—Devices using other cold materials; Devices using cold-storage bodies using ice, e.g. ice-boxes
    • F25D3/06—Movable containers
    • F25D3/08—Movable containers portable, i.e. adapted to be carried personally
    • 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
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B17/00—Sorption machines, plants or systems, operating intermittently, e.g. absorption or adsorption type
    • F25B17/08—Sorption machines, plants or systems, operating intermittently, e.g. absorption or adsorption type the absorbent or adsorbent being a solid, e.g. salt
    • 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
    • F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
    • 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
    • F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
    • F25D11/003—Transport 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
    • F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
    • F25D11/02—Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures
    • F25D11/027—Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures of the sorption cycle type
    • 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
    • F25D2201/00—Insulation
    • F25D2201/10—Insulation with respect to heat
    • F25D2201/12—Insulation with respect to heat using an insulating packing material
    • 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
    • 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
    • F25D2331/00—Details or arrangements of other cooling or freezing apparatus not provided for in other groups of this subclass
    • F25D2331/80—Type of cooled receptacles
    • F25D2331/804—Boxes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/14—Thermal energy storage

Definitions

  • the invention relates to a transport container for the transport of temperature-sensitive goods to be transported comprising a chamber for receiving the cargo, a housing enclosing the shell and at least one cooling element for tempering the
  • cooling element comprises:
  • a supply chamber for the coolant which can be brought into fluid communication with the evaporation element.
  • various drugs are temperature ranges from 2 to 25 ° C, especially 2 to 8 ° C as storage and
  • the desired temperature range can be above or below the ambient temperature, so that either cooling or heating of the interior of the transport container is required. If the environmental conditions change during a transport operation, the required
  • Temperature include both cooling and heating. So that the desired temperature range during transport is permanently and demonstrably adhered to, transport containers with special insulation capacity are used. These containers are equipped with passive or active tempering elements. Passive tempering require during use no external power supply, but use their heat storage capacity, and it comes depending on the temperature level to a release or absorption of heat to or from the to be tempered transport container interior. However, such passive tempering are exhausted as soon as the temperature compensation with the transport container interior
  • Heat of fusion, heat of solution or heat of absorption is much greater than the heat that they can store due to their normal specific heat capacity.
  • a disadvantage of latent heat storage is the fact that they lose their effect as soon as the entire material has completely gone through the phase change. However, by performing the reverse phase change, the latent heat storage may be recharged.
  • Active temperature control elements require an external energy supply for their operation. They are based on the transformation of a non-thermal energy form into a thermal energy form. The release or absorption of heat is carried out, for example, in the context of a thermodynamic cycle, such.
  • Cooling systems often have a large weight in relation to the insulation.
  • the high weight in passive cooling systems is due to the limited enthalpy, because this is in the
  • the energy density of accumulators required for active cooling systems is generally greater than 200 kJ / kg, but the maximum permissible energy density for transport in aircraft is approximately 180 kJ / kg.
  • the cooling system comprises an evaporation element with a
  • Fluid connection bringable storage chamber for the coolant.
  • a coolant for example, water is used, wherein the amount of heat required for the evaporation of the coolant withdrawn from the cargo to be cooled and this is cooled in this manner.
  • a cooling system is inexpensive and has a low volume and a low weight.
  • a comparatively small amount of entrained coolant is sufficient to achieve high cooling performance, because high volumes of energy for the evaporation of liquids are required, which are significantly higher than those of the phase transition solid-liquid.
  • the energy needed to evaporate water is around 2,500kJ / kg at 8 ° C.
  • the absolute amount of water that can hold air or a gas or gas mixture (100% relative humidity) depends heavily on the
  • the gas laden with the evaporated water is passed to a desiccant which adsorbs the water.
  • the drying agent is in this case on that side of the cooling element, is to be given off on the heat, the evaporation layer is located on the side of the cooling element on which to be cooled.
  • Cooling system is that the transport container can only be cooled, but not heated.
  • a heating is but
  • Range of, for example, 2-8 ° C for example when the transport container is stored for a long time in a cold store, which can sometimes be the case during customs clearance for up to 60 days.
  • the refrigerant to be evaporated is consumed after such a long time, so for further transport after leaving the cold store no more cooling power is available.
  • the invention therefore aims to provide a transport container of the type mentioned with an improved cooling system.
  • the cooling system is to be improved to the effect that the cargo kept with the same weight of the cooling system over a longer transport time away in a predefined temperature range or without reducing the maximum possible transport time, a reduction of
  • Weight and / or the volume of the cooling system can be achieved.
  • the predefined temperature range should be able to be maintained not only at a higher ambient temperature but also at a lower ambient temperature.
  • the invention provides a
  • Transport container of the type mentioned above essentially, that the transport container further a
  • Latent heat storage includes, with the chamber in
  • Heat exchange connection is. The combination of two different cooling systems, namely one
  • Evaporative cooling system can be reduced so that it can be made smaller and with less weight.
  • the total cooling capacity can be divided between the evaporative cooling system and the latent heat storage.
  • the cooling system can be designed so that when the performance of the evaporative cooling system is insufficient and the
  • the cooling system may preferably be designed so that the phase transition temperature (solid to liquid) of the
  • Latent heat storage is chosen lower than that resulting from the cooling capacity of the evaporative cooling system temperature.
  • the temperature of the chamber can be preferably reduced to a temperature of 12-20 ° C, the further cooling to a temperature in the range of 2-8 ° C by means of the latent heat storage is made.
  • Evaporative cooling system are operated with a higher relative humidity, whereby the amount of desiccant can be reduced. Also, the amount of latent heat storage can be reduced, since this only the energy for cooling from the range of 12-20 ° C to the range of 2-8 ° C must be available.
  • Another advantage is that with a partially charged (i.e., not fully crystallized) latent heat storage, it can be used to protect the chamber from overcooling or within the desired temperature range of e.g. 2-8 ° C when the outside temperature drops below the level of the desired temperature range.
  • the latent heat storage is with a
  • the shipping container is to be stored for a long time (e.g.
  • Days is stored in a cold store (for example, in a
  • Transport duration of the transport container can be achieved as if only a cooling system alone would be used.
  • Another advantage of the invention arises when the evaporative cooling system provides more cooling capacity than required. The excess cooling power can then be used to recharge the latent heat storage, i. in the solid or crystallized state
  • a preferred embodiment of the invention provides that the evaporative cooling system and the latent heat storage are arranged in cascading, i. that seen in the direction from the outside to the inside of the transport container first the evaporative cooling system is effective and then the latent heat storage.
  • the cooling surface of the evaporation element is therefore with the
  • Latent heat storage between the cooling surface and the chamber is arranged.
  • the cooling capacity of the evaporative cooling system is set to a temperature above the phase transition temperature of the latent heat storage
  • a preferred embodiment provides that the cooling surface and the latent heat storage are separated by a thermal insulation.
  • the cooling surface of the evaporation element and the latent heat storage are then in heat exchange connection with each other, however, the heat exchange is significantly slowed down by the thermal insulation, so that there is a corresponding temperature gradient.
  • the evaporative cooling element is sealed against the environment vapor diffusion tight.
  • the thermal insulation may be formed as arranged between the evaporation element and the drying agent insulation layer, wherein the
  • Insulation layer as a transport route for the transport of
  • evaporated coolant can be used to desiccant.
  • a preferred embodiment provides in this context that the thermal insulation between the
  • Evaporation element and the desiccant one Includes vapor diffusion open insulation layer, which forms the transport route.
  • the transport path may comprise at least one channel extending between the evaporation element and the desiccant.
  • drying agents are silica gels.
  • the evaporation element advantageously comprises a coolant, in particular water, absorbing textile, in particular a felt. Basically, any material that has a large surface area is suitable.
  • the phase change in the temperature range of the desired temperature is characterized by the transition between solid and liquid or vice versa.
  • the latent heat storage has a
  • the latent heat storage may be preferred as a plate-shaped
  • honeycomb-shaped hollow chambers with the Latent heat storage material are filled, wherein a honeycomb structural element according to WO 2011/032299 AI is particularly advantageous.
  • a particularly efficient temperature control is according to a
  • the latent heat accumulator surrounds the chamber on all sides. Furthermore, it can also be provided that the cooling surface of the evaporation element, the chamber
  • Latent heat storage and the evaporation element each form a layer of the shell of the transport container.
  • the transport container according to the invention can basically be realized in any dimensions.
  • FIG. 1 shows a first embodiment of the cooling system for a transport container according to the invention
  • FIG. 2 shows a second embodiment of the cooling system for a
  • FIG. 3 shows a cross section of a first embodiment of a transport container with a cooling system
  • FIG. 4 shows a cross section along the line IV-IV of FIG. 3
  • FIG. 5 shows a cross section of a second embodiment of a transport container with a cooling system
  • a cooling system is shown, the one
  • Evaporative cooling system 1 and a latent heat storage 2 includes.
  • the evaporative cooling system 1 includes a
  • Evaporation element 3 which with a coolant, such as Water is soaked and has a cooling surface 4, and a drying means 5 for receiving evaporated in the evaporation element 3 coolant.
  • a thermal insulation layer 7 is arranged, which is designed to be open to vapor diffusion, to allow the transport of the evaporated coolant from the evaporation element 3 to the desiccant 5. That evaporated
  • Coolant is added to the desiccant 5, which is e.g. from
  • Silica gel is formed, adsorbed.
  • the described elements of the evaporative cooling system 1 are of a gas-tight
  • Envelope or a gas-tight housing 8 surrounded so that the relative humidity of the gas atmosphere within the
  • Evaporative cooling system 1 can be controlled independently of the environment.
  • the drying agent 5 is in this case on that side of the evaporative cooling system 1, is to be given off the heat and the evaporation element 3 is located on the (opposite) side of the
  • Evaporative cooling system 1 on which to be cooled.
  • a plate-shaped latent heat accumulator 2 is now arranged, which is in heat exchange connection with the cooling surface 4 of the evaporative cooling system 1 either directly or with the interposition of a thermal insulation (not shown).
  • Latent heat storage 2 is the chamber to be tempered. 9
  • FIG. 2 an alternative embodiment is shown, wherein like reference numerals designate the same components as in Fig. 1.
  • the training of FIG. 2 differs from the formation of FIG. 1, characterized in that the transport of the evaporated coolant from the evaporation element 3 for
  • Desiccant 5 is not done by the insulating layer 7, but via a separate channel 10.
  • Enclosure does not therefore have to surround the insulating layer 7, but is limited to the evaporation element 3, the channel 10 and the drying means 5.
  • This design allows greater flexibility in the arrangement of the drying agent 5, wherein the drying agent, for example, interchangeable in
  • Transport container can be added. Furthermore, a storage chamber 6 connected to the evaporation element 3 is provided for coolant, in particular water, which allows refilling of coolant in a simple manner.
  • coolant in particular water
  • FIG. 3 and 4 show a cuboid transport container 11, the walls of which are designated 12, 13, 14, 15 and 16. On the sixth side of the transport container 11 is closed by a door or a lid 17.
  • the walls and the lid have the following layer structure.
  • the walls 12, 13, 14, 15 and 16 each comprise an outer insulating layer 18 made of a thermally insulating material. This is followed by an as
  • the innermost layer 20, which delimits the chamber 9 to be tempered, is designed as a latent heat storage layer.
  • the wall 13 additionally has the desiccant as the outermost layer 21.
  • the drying agent-containing layer may also be arranged on another wall as the outermost layer.
  • the insulating layer 18 is formed vapor diffusion open to the transport of the evaporated coolant from the
  • FIG. 5 and 6 show a modified embodiment of a cuboid transport container 22, whose walls are designated by 23, 24, 25, 26 and 27. On the sixth side of the transport container 22 is closed by a door or a cover 28.
  • the walls and the lid have the following layer structure.
  • the walls 23, 24, 25, 26 and 27 each include an outer insulating layer 29 and an inner
  • the lid 28 likewise comprises an insulating layer 29, which is located between an inner layer 31 designed as an evaporation element and an outer layer 32 comprising the drying agent
  • the lid 28 is in a simple manner

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Packages (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)

Abstract

L'invention concerne un récipient de transport qui sert à transporter un produit sensible à la température et qui comporte un compartiment (9) recevant le produit à transporter, une enveloppe entourant le compartiment (9), et au moins un élément de refroidissement servant à réguler la température du compartiment (9). L'élément de refroidissement comprend un élément d'évaporation (3, 19, 31) présentant une surface de refroidissement (4), et un moyen de séchage (5, 21, 32) recevant le fluide de refroidissement évaporé dans l'élément d'évaporation (3, 19, 32). Le récipient de transport comprend par ailleurs un accumulateur de chaleur latente (2, 20, 30) qui est en communication d'échange thermique avec le compartiment.
EP17758612.0A 2016-08-09 2017-08-09 Récipient de transport Pending EP3497384A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATA368/2016A AT518924A1 (de) 2016-08-09 2016-08-09 Transportbehälter
PCT/IB2017/000941 WO2018029522A1 (fr) 2016-08-09 2017-08-09 Récipient de transport

Publications (1)

Publication Number Publication Date
EP3497384A1 true EP3497384A1 (fr) 2019-06-19

Family

ID=59738372

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17758612.0A Pending EP3497384A1 (fr) 2016-08-09 2017-08-09 Récipient de transport

Country Status (6)

Country Link
US (1) US11920832B2 (fr)
EP (1) EP3497384A1 (fr)
CN (1) CN109716042A (fr)
AT (1) AT518924A1 (fr)
CA (1) CA3033119A1 (fr)
WO (1) WO2018029522A1 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT518923A1 (de) 2016-08-09 2018-02-15 Rep Ip Ag Transportbehälter
AT520919B1 (de) * 2018-05-29 2019-09-15 Rep Ip Ag Transportbehälter zum Transport von temperaturempfindlichem Transportgut

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Also Published As

Publication number Publication date
WO2018029522A1 (fr) 2018-02-15
US20190178534A1 (en) 2019-06-13
BR112019002561A2 (pt) 2019-05-21
US11920832B2 (en) 2024-03-05
AT518924A1 (de) 2018-02-15
CN109716042A (zh) 2019-05-03
CA3033119A1 (fr) 2018-02-15

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