WO2014104985A1 - Device and method for foodstuffs conditioning - Google Patents
Device and method for foodstuffs conditioning Download PDFInfo
- Publication number
- WO2014104985A1 WO2014104985A1 PCT/SI2013/000082 SI2013000082W WO2014104985A1 WO 2014104985 A1 WO2014104985 A1 WO 2014104985A1 SI 2013000082 W SI2013000082 W SI 2013000082W WO 2014104985 A1 WO2014104985 A1 WO 2014104985A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- foodstuff
- conditioning
- flow medium
- container
- flow
- Prior art date
Links
- 230000003750 conditioning effect Effects 0.000 title claims abstract description 118
- 238000000034 method Methods 0.000 title claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 3
- 238000001816 cooling Methods 0.000 claims description 19
- 239000000463 material Substances 0.000 claims description 15
- 238000009413 insulation Methods 0.000 claims description 11
- 239000004033 plastic Substances 0.000 claims description 8
- 239000007769 metal material Substances 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 4
- 230000001143 conditioned effect Effects 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 239000000112 cooling gas Substances 0.000 claims 2
- 239000007789 gas Substances 0.000 claims 2
- 238000011067 equilibration Methods 0.000 abstract description 5
- 238000003825 pressing Methods 0.000 abstract description 3
- 238000010438 heat treatment Methods 0.000 description 8
- 235000013361 beverage Nutrition 0.000 description 5
- 239000007788 liquid Substances 0.000 description 3
- 239000004793 Polystyrene Substances 0.000 description 2
- 235000013405 beer Nutrition 0.000 description 2
- 235000013622 meat product Nutrition 0.000 description 2
- 229920002223 polystyrene Polymers 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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
- F25D19/00—Arrangement or mounting of refrigeration units with respect to devices or objects to be refrigerated, e.g. infrared detectors
- F25D19/003—Arrangement or mounting of refrigeration units with respect to devices or objects to be refrigerated, e.g. infrared detectors with respect to movable containers
-
- 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
- B65D81/18—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 providing specific environment for contents, e.g. temperature above or below ambient
-
- 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
- F25D15/00—Devices not covered by group F25D11/00 or F25D13/00, e.g. non-self-contained movable devices
-
- 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
- F25D23/00—General constructional features
- F25D23/06—Walls
- F25D23/065—Details
- F25D23/068—Arrangements for circulating fluids through the insulating material
-
- 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
- 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
- F25B21/00—Machines, plants or systems, using electric or magnetic effects
- F25B21/02—Machines, plants or systems, using electric or magnetic effects using Peltier effect; using Nernst-Ettinghausen effect
-
- 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
- F25D2317/065—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 return
- F25D2317/0651—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 return through the bottom
-
- 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
- F25D2317/0661—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 bottom
-
- 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
- F25D3/10—Devices using other cold materials; Devices using cold-storage bodies using liquefied gases, e.g. liquid air
- F25D3/105—Movable containers
Definitions
- Conditioning, conditioning of foodstuffs cooling, cooling of foodstuffs, cooling of beverages, cooling in cases, heating, heating of foodstuffs, heating of beverages, heating in cases
- a customers want to buy a product cooled or heated to the desired temperature, regardless of the required temperature conditions for storage of foodstuffs. For example, a customer wants the beverage to be sufficiently cooled and to remain cool for a certain period after its purchase.
- the subject of the invention is the device and method for conditioning of foodstuffs, which solve the technical problems of:
- the device according to the invention comprises at least:
- Foodstuffs are loaded into containers for foodstuff conditioning in which the temperature is maintained with the flow of the medium at a suitable temperature through the walls of the container.
- the flow medium for foodstuff conditioning is primarily air; however, any other gas may also be used.
- the cooling medium may also be liquid, primarily water. A fraction of the flow medium may also be supplied into the interior of the containers for foodstuff conditioning to ensure a faster attainment of the desired temperature of foodstuffs.
- the flow medium used for cooling of foodstuffs may be compressed gas which is cooled during the expansion to the ambient pressure and which reduces the heat of the containers for foodstuff conditioning.
- Liquefied gas may also be used for cooling, whereby the required quantity of gas is substantially lower due to the great variation of enthalpy of the flow medium (enthalpy of evaporation) in liquid and gas state.
- Cooling pallets may be equipped with a Peltier element.
- Inlet and outlet lines of the flow medium for foodstuff conditioning are connected to the pallet.
- the pallet is constructed in such a way that the flow medium for foodstuff conditioning is evenly distributed in individual containers for foodstuff conditioning.
- the weight of the container opens the inlet channel of the flow medium for foodstuff conditioning by applying pressure on the pallet.
- the channel on the pallet is closed with a spring.
- the weight of the container applies pressure on the flap of the inlet channel of the flow medium and overcomes the force of the spring keeping the flap closed. In the same way, the flow through the outlet channel of the flow medium for foodstuff conditioning is ensured.
- the pallet is made of material of mechanical strength, primarily of plastic material providing temperature insulation or of metal material. The pallet is constructed in such a way that it may be transported with a forklift.
- the pallet is fitted with a network of channels which distribute the flow medium from the inlet line of the flow medium to the inlet channels of the flow medium.
- the flow medium may be channelled from the inlet line of the flow medium to the inlet channels of the flow medium through individual lines.
- the flow medium flows into the outlet line of the flow medium through the outlet channels of the flow medium.
- the flow medium may be channelled into the outlet line of the flow medium from the outlet channels of the flow medium through individual lines.
- the outlet line of the flow medium runs into the device for ensuring a pressure drop to which a fresh quantity of flow medium is added through the inlet for fresh additional flow medium in order to compensate for the losses of the flow medium during the flow through the device for foodstuff conditioning.
- the device for ensuring a pressure drop and the device for flow medium conditioning are integrated in the pallet.
- the flow medium is channelled into the device for cooling or heating of the flow medium, where the flow medium is conditioned to the desired temperature.
- the required energy to be added or removed from the flow medium is determined on the basis of the quantity and condition of the inlet flow medium.
- the device for ensuring a pressure drop and the device for flow medium conditioning within the device for foodstuff conditioning are not necessary, since gas overpressure may be used for gas flow and the principle of cooling of gas as a result of its expansion or transformation from liquid to gas state may be used for cooling.
- Containers for foodstuff conditioning are thick-walled, because the walls of the containers are composed of several layers, i.e. from outside to inside:
- the outer layer made of load-bearing material, primarily plastic or metal material;
- the inner layer made of load-bearing material, primarily plastic or metal material.
- the interior of the container for foodstuff conditioning includes compartments for the insertion of glass bottles, plastic bottles, tins or other items.
- the container may be returnable and the customer can take it home together with the foodstuff.
- the container for foodstuff conditioning slows down the equilibration of foodstuff temperature with the ambient temperature due to insulated walls of the container.
- insulated walls of the container reduce the consumption of energy > product required for foodstuff conditioning.
- the space for the flow of the flow medium in the walls of the container for foodstuff conditioning is divided into two parts to prevent mixing of inlet flow medium and outlet flow medium.
- On the inner wall on the side of the container with the inlet channel of the flow medium the flow medium inlet into the interior of the container is installed, while on the inner wall on the side of the container with the outlet channel of the flow medium, the flow medium outlet from the interior of the container is installed.
- the interior of the container for foodstuff conditioning is also equipped with a container cover rest, while the outer walls of the container are fitted with two handles.
- the cover may also be attached to the container for foodstuff conditioning with hinges for opening the container cover.
- the container cover is primarily made of load-bearing material fitted with insulation.
- Container cover handles are installed on the upper side of the cover of the container for foodstuff conditioning.
- a seal is installed between the container cover and the container for foodstuff conditioning to prevent leakage of the flow medium.
- Figure 1 shows a pallet 1, a container for foodstuff conditioning 2, an inlet channel of the flow medium 3, an outlet channel of the flow medium 4.
- Figure 2 show an inlet channel of the flow medium 3, an outlet channel of the flow medium 4, an inlet line of the flow medium 5, an outlet line of the flow medium 6, a channel network inside the pallet 7.
- Figure 3 shows a pallet, an inlet line of the flow medium 5, an outlet line of the flow medium 6, an inlet for fresh additional flow medium 8, a device for ensuring a pressure drop 9, a device for flow medium conditioning 10.
- Figure 4 show a container for foodstuff conditioning 2, an inlet channel of the flow medium 3, an outlet channel of the flow medium 4, space for insulation 11, space for the flow of the flow medium 12, a flow medium inlet into the interior of the container 13, a cover rest 14, a container handle 15, a container cover 16, a container cover handle 17.
- the device according to the invention is used for cooling beer.
- the pallet 1 with the floor plan dimensions of 80x120 cm is loaded with- 32 containers for foodstuff conditioning 2 with the dimensions of- 30x30x40 cm ⁇ height x width x length).
- Eight containers for foodstuff conditioning 2 (2x4 containers)- are stacked at each height level and four containers for foodstuff conditioning 2 are stacked vertically.
- Beer is loaded into containers for foodstuff conditioning 2 in which the temperature is maintained with the flow of air at a temperature of 4°C through the walls of the container.
- a fraction of the flow air is supplied also into the interior of containers for foodstuff conditioning 2.
- the interior of the container for foodstuff conditioning 2 is fitted with compartments for the insertion of bottles.
- the inlet line of the flow medium 5 and the outlet line of the flow medium for foodstuff conditioning 6 are connected to the pallet.
- the pallet 1 is constructed in such a way that the flow medium for foodstuff conditioning is evenly distributed in individual containers for foodstuff conditioning 2.
- the inlet channel of the flow medium 3 and the outlet channel of the flow medium 4 are closed with a flap operated by a spring.
- the weight of the container with feet applies pressure on the flap of the inlet and outlet channel of the flow medium 3, 4 and overcomes the force of the springs keeping the flap closed.
- the pallet 1 is made of metal material.
- the pallet 1 is fitted with a network of channels inside the pallet 7, which distributes the flow air from the inlet line of the flow medium 5 into the inlet channels of the flow medium 3. Air flows into the outlet line of the flow medium 6 through the outlet channels of the flow medium 4.
- the outlet line of the flow medium 4 runs into the device for ensuring a pressure drop 9 to which a fresh quantity of air is added through the inlet for fresh additional flow medium 8 in order to compensate for the losses of the flow air during the flow through the device for foodstuff conditioning.
- Containers for foodstuff conditioning 2 are thick-walled, because the walls of the containers are composed of several layers, i.e. from outside to inside: the outer layer made of plastic load-bearing material, space for insulation 11 in which extruded polystyrene is fitted, space for the flow of the flow medium 12 and the inner layer made of plastic load-bearing material.
- the space for the flow of the flow medium in the walls of the container for foodstuff conditioning 2 is divided into two parts to prevent mixing of inlet air and outlet air.
- On the inner wall on the side of the container with the inlet channel of the flow medium 3 the flow medium inlet into the interior of the container 13 is installed, while on the inner wall on the side of the container with the outlet channel of the flow medium 4. the flow medium outlet from the interior of the container is installed.
- the interior of the container for foodstuff conditioning is also equipped also with a container cover rest 14, while the outer walls of the container for foodstuff conditioning 2 are fitted with two handles 15.
- the container cover 16 is primarily made of load-bearing material fitted with insulation.
- the upper side of the container cover is fitted with two container cover handles 17.
- the device according to the invention is used for cooling meat products.
- the pallet 1 with the floor plan dimensions of 80x120 cm is loaded with 32 containers for foodstuff conditioning 2 with the dimensions of 30x30x40 cm (height x width x length).
- Eight containers for foodstuff conditioning 2 (2x4 containers) are stacked at each height level and four containers for foodstuff conditioning 2 are stacked vertically.
- Meat products are loaded into containers for foodstuff conditioning 2 in which the temperature is maintained with the flow of air at a temperature of 2°C through the walls of the container. A fraction of the flow air is also supplied into the interior of containers for foodstuff conditioning.
- the inlet line of the flow medium 5 and the outlet line of the flow medium 6 for foodstuff conditioning 6 are connected to the pallet.
- the pallet 1 is constructed in such a way that the flow air for foodstuff conditioning is evenly distributed in the containers for foodstuff conditioning 2.
- the weight of the container opens the inlet and outlet channels of the flow medium 3, 4 for foodstuff conditioning b applying pressure on the pallet flap.
- the inlet channel of the flow medium 3 and the outlet channel of the flow medium 4 are closed with a flap operated by a spring.
- the pallet 1 is made of metal material.
- the pallet 1 is fitted with a network of channels inside the pallet 7, which distributes the air from the inlet line of the flow medium 5 into the inlet channels of the flow medium 3. Air flows into the outlet line of the flow medium 6 through the outlet channels of the flow medium 4.
- the outlet line of the flow medium 6 runs into the device for ensuring a pressure drop 9 to which a fresh quantity of air is added through the inlet for fresh additional flow medium, 8 in order to compensate for the losses of air during the flow through the device for foodstuff conditioning.
- the flow air is channelled into the device for flow medium conditioning 10, where air is cooled to the temperature of 2°C.
- the required energy to be removed from the flow air is determined on the basis of the quantity and condition of the inlet flow air.
- Containers for foodstuff conditioning 2 are thick-walled, because the walls of the containers are composed of several layers, i.e. from outside to inside: the outer layer made of plastic load-bearing material, space for insulation 11 in which extruded polystyrene is fitted, space for the flow of the flow medium 12 and the inner layer made of metal load-bearing material.
- the space for the flow of air in the walls of the container for foodstuff conditioning 2 is physically divided into two parts to prevent mixing of inlet air and outlet air.
- the interior of the container for foodstuff conditioning is also equipped also with a container cover rest 14, while the outer walls of the container for foodstuff conditioning 2 are fitted with two handles 15.
- the container cover 16 is primarily made of load-bearing material fitted with insulation.
- the upper side of the container cover is fitted with two container cover handles 17.
Abstract
The subject of the invention is the device and method for conditioning of foodstuffs, which solve the technical problems of: maintaining the temperature of foodstuffs at a desired temperature; slowing down the equilibration of foodstuff temperature with the ambient temperature and reducing the consumption of energy products required for foodstuff conditioning. The device according to the invention comprises at least a pallet (1) to which containers for foodstuff conditioning are loaded and containers for foodstuff conditioning (2). Foodstuffs are loaded into containers for foodstuff conditioning (2) in which the temperature is maintained with the flow of the medium at a suitable temperature through the walls of the container. The flow medium for foodstuff conditioning is primarily air; however, any other gas or water may also be used. A fraction of the flow medium may also be supplied into the interior of the containers for foodstuff conditioning to ensure a faster attainment of the desired temperature of foodstuffs. Inlet and outlet lines of the flow medium (5, 6) for foodstuff conditioning are connected to the pallet (1). The pallet is constructed in such a manner that the flow medium for foodstuff conditioning is evenly distributed in the containers for foodstuff conditioning (2). When the container for foodstuff conditioning is loaded on the pallet (1), the weight of the container opens the inlet channel of the flow medium (3) for foodstuff conditiomng by applying pressure on the pallet (1). In the same way, the flow through the outlet channel of the flow medium (4) for foodstuff conditioning is ensured. Several containers for foodstuff conditioning (2) may be loaded on the pallet (1), whereby the inlet and outlet channels of the flow medium (3, 4) are only open in places where the containers for foodstuff conditioning are loaded.
Description
DEVICE AND METHOD FOR FOODSTUFFS CONDITIONING
DESCRIPTION OF INVENTION Field of Technology
Conditioning, conditioning of foodstuffs, cooling, cooling of foodstuffs, cooling of beverages, cooling in cases, heating, heating of foodstuffs, heating of beverages, heating in cases
Technical Problem
The durability of substances which are stored for longer periods often depends on the temperature conditions during the storage.
This is the case with cooling of foodstuffs with longer shelf lives at lower temperatures. Some foodstuffs should not freeze, since this would deteriorate their properties; therefore, a temperature interval within which the temperature of foodstuffs must be maintained is usually determined.
In many cases a customers want to buy a product cooled or heated to the desired temperature, regardless of the required temperature conditions for storage of foodstuffs. For example, a customer wants the beverage to be sufficiently cooled and to remain cool for a certain period after its purchase.
In most cases, beverages in shops are cooled in quantities intended for single use. If a customer needs to buy larger quantities of foodstuffs cooled or heated to a desired temperature, he/she must collect them from the cooling or heating device. As soon as the foodstuff is collected from the cooling or heating device, foodstuff temperature is equilibrated with the ambient temperature, whereby the rate of equilibration dependifon
the heat capacity of foodstuff, which is in particular conditional on the type, mass and packaging of foodstuff.
State of the Art
Several methods of conditioning of foodstuffs are used in practice. In most cases, higher temperature adversely affects the durability of foodstuffs, because higher temperatures create more favourable conditions for the development of bacteria which reduce the shelf life of foodstuffs. In the majority of cases, foodstuffs are cooled to a suitable temperature at hich the shelf life is prolonged.
Larger quantities of foodstuffs in shops and shopping centres are usually cooled in refrigerators, chest coolers, upright coolers and also smaller cold stores.
In most cases, beverages in shops are cooled in quantities intended for single use. If a customer needs to buy larger quantities of conditioned foodstuffs, he/she must collect them from the cooling or heating device. To maintain the temperature of foodstuffs, insulated bags are usually used, which slow down the equilibration of foodstuff temperature with the ambient temperature.
Description of new invention
The subject of the invention is the device and method for conditioning of foodstuffs, which solve the technical problems of:
- maintaining the temperature of foodstuffs at a desired temperature;
- slowing down the equilibration of foodstuff temperature with the ambient temperature;
- reducing the consumption of energy products required for foodstuff conditioning.
The device according to the invention comprises at least:
- a pallet on which containers for conditioning of foodstuffs are loaded; and
- containers for foodstuff conditioning.
Foodstuffs are loaded into containers for foodstuff conditioning in which the temperature is maintained with the flow of the medium at a suitable temperature through the walls of the container. The flow medium for foodstuff conditioning is primarily air; however, any other gas may also be used. The cooling medium may also be liquid, primarily water. A fraction of the flow medium may also be supplied into the interior of the containers for foodstuff conditioning to ensure a faster attainment of the desired temperature of foodstuffs. The flow medium used for cooling of foodstuffs may be compressed gas which is cooled during the expansion to the ambient pressure and which reduces the heat of the containers for foodstuff conditioning. Liquefied gas may also be used for cooling, whereby the required quantity of gas is substantially lower due to the great variation of enthalpy of the flow medium (enthalpy of evaporation) in liquid and gas state. Cooling pallets may be equipped with a Peltier element.
Inlet and outlet lines of the flow medium for foodstuff conditioning are connected to the pallet. The pallet is constructed in such a way that the flow medium for foodstuff conditioning is evenly distributed in individual containers for foodstuff conditioning. When the container is loaded on the pallet, the weight of the container opens the inlet channel of the flow medium for foodstuff conditioning by applying pressure on the pallet. The channel on the pallet is closed with a spring. When loading the container, the weight of the container applies pressure on the flap of the inlet channel of the flow medium and overcomes the force of the spring keeping the flap closed. In the same way, the flow through the outlet channel of the flow medium for foodstuff conditioning is ensured. Several containers for foodstuff conditioning may be loaded on the pallet, whereby the inlet and outflow channels of the conditioning medium are only open in places where the containers for foodstuff conditioning are loaded. All flaps are fitted with seals to prevent leakage of the flow medium. Flap seals may be installed on the upper side of the containers next the flaps or on the lower side of the containers next to the feet of the container. The lower side of the container for foodstuff conditioning also includes the inlet channel of the flow medium and outlet channel of the flow medium. Depending on the construction, the channels may be fitted with flaps.
The pallet is made of material of mechanical strength, primarily of plastic material providing temperature insulation or of metal material. The pallet is constructed in such a way that it may be transported with a forklift.
The pallet is fitted with a network of channels which distribute the flow medium from the inlet line of the flow medium to the inlet channels of the flow medium. The flow medium may be channelled from the inlet line of the flow medium to the inlet channels of the flow medium through individual lines. The flow medium flows into the outlet line of the flow medium through the outlet channels of the flow medium. The flow medium may be channelled into the outlet line of the flow medium from the outlet channels of the flow medium through individual lines.
The outlet line of the flow medium runs into the device for ensuring a pressure drop to which a fresh quantity of flow medium is added through the inlet for fresh additional flow medium in order to compensate for the losses of the flow medium during the flow through the device for foodstuff conditioning. The device for ensuring a pressure drop and the device for flow medium conditioning are integrated in the pallet.
From the device for ensuring a pressure drop, the flow medium is channelled into the device for cooling or heating of the flow medium, where the flow medium is conditioned to the desired temperature. The required energy to be added or removed from the flow medium is determined on the basis of the quantity and condition of the inlet flow medium.
If compressed or liquefied gas is used for cooling of foodstuffs, the device for ensuring a pressure drop and the device for flow medium conditioning within the device for foodstuff conditioning are not necessary, since gas overpressure may be used for gas flow and the principle of cooling of gas as a result of its expansion or transformation from liquid to gas state may be used for cooling.
Containers for foodstuff conditioning are thick-walled, because the walls of the containers are composed of several layers, i.e. from outside to inside:
- the outer layer made of load-bearing material, primarily plastic or metal material;
- space designed for insulation in which insulation is fitted;
- space designed for the flow of the flow medium; and
- the inner layer made of load-bearing material, primarily plastic or metal material.
The interior of the container for foodstuff conditioning includes compartments for the insertion of glass bottles, plastic bottles, tins or other items. The container may be returnable and the customer can take it home together with the foodstuff. During the transport, the container for foodstuff conditioning slows down the equilibration of foodstuff temperature with the ambient temperature due to insulated walls of the container. In addition, insulated walls of the container reduce the consumption of energy > product required for foodstuff conditioning.
The space for the flow of the flow medium in the walls of the container for foodstuff conditioning is divided into two parts to prevent mixing of inlet flow medium and outlet flow medium. On the inner wall on the side of the container with the inlet channel of the flow medium, the flow medium inlet into the interior of the container is installed, while on the inner wall on the side of the container with the outlet channel of the flow medium, the flow medium outlet from the interior of the container is installed.
The interior of the container for foodstuff conditioning is also equipped with a container cover rest, while the outer walls of the container are fitted with two handles. The cover may also be attached to the container for foodstuff conditioning with hinges for opening the container cover.
The container cover is primarily made of load-bearing material fitted with insulation. Container cover handles are installed on the upper side of the cover of the container for
foodstuff conditioning. A seal is installed between the container cover and the container for foodstuff conditioning to prevent leakage of the flow medium.
The essence of the invention is further explained below with the description of two embodiments and attached figures, whereby the figures are part of this patent application and show the following:
Figure 1 shows a pallet 1, a container for foodstuff conditioning 2, an inlet channel of the flow medium 3, an outlet channel of the flow medium 4.
Figure 2 show an inlet channel of the flow medium 3, an outlet channel of the flow medium 4, an inlet line of the flow medium 5, an outlet line of the flow medium 6, a channel network inside the pallet 7.
Figure 3 shows a pallet, an inlet line of the flow medium 5, an outlet line of the flow medium 6, an inlet for fresh additional flow medium 8, a device for ensuring a pressure drop 9, a device for flow medium conditioning 10.
Figure 4 show a container for foodstuff conditioning 2, an inlet channel of the flow medium 3, an outlet channel of the flow medium 4, space for insulation 11, space for the flow of the flow medium 12, a flow medium inlet into the interior of the container 13, a cover rest 14, a container handle 15, a container cover 16, a container cover handle 17.
First exemplary embodiment:
In the exemplary embodiment, the device according to the invention is used for cooling beer. The pallet 1 with the floor plan dimensions of 80x120 cm is loaded with- 32 containers for foodstuff conditioning 2 with the dimensions of- 30x30x40 cm {height x width x length). Eight containers for foodstuff conditioning 2 (2x4 containers)- are stacked at each height level and four containers for foodstuff conditioning 2 are stacked vertically.
Beer is loaded into containers for foodstuff conditioning 2 in which the temperature is maintained with the flow of air at a temperature of 4°C through the walls of the container. A fraction of the flow air is supplied also into the interior of containers for foodstuff conditioning 2. The interior of the container for foodstuff conditioning 2 is fitted with compartments for the insertion of bottles.
The inlet line of the flow medium 5 and the outlet line of the flow medium for foodstuff conditioning 6 are connected to the pallet. The pallet 1 is constructed in such a way that the flow medium for foodstuff conditioning is evenly distributed in individual containers for foodstuff conditioning 2.
The inlet channel of the flow medium 3 and the outlet channel of the flow medium 4 are closed with a flap operated by a spring. When loading the container for foodstuff conditioning 2, the weight of the container with feet applies pressure on the flap of the inlet and outlet channel of the flow medium 3, 4 and overcomes the force of the springs keeping the flap closed. The pallet 1 is made of metal material.
The pallet 1 is fitted with a network of channels inside the pallet 7, which distributes the flow air from the inlet line of the flow medium 5 into the inlet channels of the flow medium 3. Air flows into the outlet line of the flow medium 6 through the outlet channels of the flow medium 4.
The outlet line of the flow medium 4 runs into the device for ensuring a pressure drop 9 to which a fresh quantity of air is added through the inlet for fresh additional flow medium 8 in order to compensate for the losses of the flow air during the flow through the device for foodstuff conditioning.
From the device for ensuring a pressure drop 9, the flow air is channelled into the device for flow medium conditioning 10, where air is cooled to the temperature of 4°C. The energy required for cooling of air is determined on the basis of the quantity and condition of the inlet flow air.
Containers for foodstuff conditioning 2 are thick-walled, because the walls of the containers are composed of several layers, i.e. from outside to inside: the outer layer made of plastic load-bearing material, space for insulation 11 in which extruded polystyrene is fitted, space for the flow of the flow medium 12 and the inner layer made of plastic load-bearing material.
The space for the flow of the flow medium in the walls of the container for foodstuff conditioning 2 is divided into two parts to prevent mixing of inlet air and outlet air. On the inner wall on the side of the container with the inlet channel of the flow medium 3, the flow medium inlet into the interior of the container 13 is installed, while on the inner wall on the side of the container with the outlet channel of the flow medium 4. the flow medium outlet from the interior of the container is installed.
The interior of the container for foodstuff conditioning is also equipped also with a container cover rest 14, while the outer walls of the container for foodstuff conditioning 2 are fitted with two handles 15.
The container cover 16 is primarily made of load-bearing material fitted with insulation. The upper side of the container cover is fitted with two container cover handles 17.
Second exemplary embodiment:
In the exemplary embodiment, the device according to the invention is used for cooling meat products. The pallet 1 with the floor plan dimensions of 80x120 cm is loaded with 32 containers for foodstuff conditioning 2 with the dimensions of 30x30x40 cm (height x width x length). Eight containers for foodstuff conditioning 2 (2x4 containers) are stacked at each height level and four containers for foodstuff conditioning 2 are stacked vertically.
Meat products are loaded into containers for foodstuff conditioning 2 in which the temperature is maintained with the flow of air at a temperature of 2°C through the walls
of the container. A fraction of the flow air is also supplied into the interior of containers for foodstuff conditioning.
The inlet line of the flow medium 5 and the outlet line of the flow medium 6 for foodstuff conditioning 6 are connected to the pallet. The pallet 1 is constructed in such a way that the flow air for foodstuff conditioning is evenly distributed in the containers for foodstuff conditioning 2.
When the container for foodstuff conditioning 2 is loaded on the pallet 1, the weight of the container opens the inlet and outlet channels of the flow medium 3, 4 for foodstuff conditioning b applying pressure on the pallet flap. On the upper and lower side of the container for foodstuff conditioning 2, the inlet channel of the flow medium 3 and the outlet channel of the flow medium 4 are closed with a flap operated by a spring.
When loading the container for foodstuff conditioning 2, the weight of the container with feet applies pressure on the flap of the inlet and outlet channel of the flow medium 3, 4 and overcomes the force of the springs keeping the flap closed. The pallet 1 is made of metal material.
The pallet 1 is fitted with a network of channels inside the pallet 7, which distributes the air from the inlet line of the flow medium 5 into the inlet channels of the flow medium 3. Air flows into the outlet line of the flow medium 6 through the outlet channels of the flow medium 4.
The outlet line of the flow medium 6 runs into the device for ensuring a pressure drop 9 to which a fresh quantity of air is added through the inlet for fresh additional flow medium, 8 in order to compensate for the losses of air during the flow through the device for foodstuff conditioning.
From the device for ensuring a pressure dro 9, the flow air is channelled into the device for flow medium conditioning 10, where air is cooled to the temperature of 2°C.
The required energy to be removed from the flow air is determined on the basis of the quantity and condition of the inlet flow air.
Containers for foodstuff conditioning 2 are thick-walled, because the walls of the containers are composed of several layers, i.e. from outside to inside: the outer layer made of plastic load-bearing material, space for insulation 11 in which extruded polystyrene is fitted, space for the flow of the flow medium 12 and the inner layer made of metal load-bearing material.
The space for the flow of air in the walls of the container for foodstuff conditioning 2 is physically divided into two parts to prevent mixing of inlet air and outlet air. On the inner wall on the side of the container with the inlet channel of the flow medium 3, the flow medium inlet into the interior of the container 13 is installed, while on the inner wall on the side of the container with the outlet channel of the flow medium 4, the flow medium outlet from the interior of the container is installed.
The interior of the container for foodstuff conditioning is also equipped also with a container cover rest 14, while the outer walls of the container for foodstuff conditioning 2 are fitted with two handles 15.
The container cover 16 is primarily made of load-bearing material fitted with insulation. The upper side of the container cover is fitted with two container cover handles 17.
It is self-evident that the above described invention can be also used in other particular form not changing the substance of the invention.
Claims
1. Device for foodstuff conditioning characterized in that it comprises a pallet (1) for loafing containers for foodstuff condition (2) in which the temperature is maintained by the flow of medium at a suitable temperature through the walls of the container for foodstuff conditioning, whereby the flow medium for foodstuff conditioning is supplied from the pallet (1).
2. The device according to claim 1 characterized in that a fraction of the flow medium is supplied into the interior of containers for foodstuff conditioning (2) through the flow medium inlet into the interior of the container (13) installed on the inner wall of the container with the inlet channel of the flow medium (3),
3. The device according to any claims 1 to 2 characterized in that a fraction of the flow medium is discharged from the interior of containers for foodstuff conditioning through the flow medium outlet from the interior of the container installed on the inner wall of the container with the outlet channel of the flow medium (4),
4. The device according to any claims 1 to 3 characterized in that when the container for foodstuff conditioning (2) is loaded, the weight of the container with feet applies pressure on the flaps of inlet and outlet channels of the flow medium (3, 4) and overcomes the force of the springs keeping the flap closed, which causes the inlet channel of the flow medium (3) and the outlet channel of the flow medium (4) for foodstuff conditioning to open.
5. The device according to any claims 1 to 4 characterized in that the lower side of the container for foodstuff conditioning (2) is also fitted with the inlet channel of the flow medium (3) and the outlet channel of the flow medium (4).
6. The device according to any claims 1 to 5 characterized in that the inlet channel of the flow medium (3) and the outlet. channel of the flow medium (4)
on the lower side of the container for foodstuff conditioning (2) are closed with a flap.
7, The device according to any claims 1 to 6 characterized in that the pallet is made of plastic material.
8. The device according to any claims 1 to 6 characterized in that the pallet is made of metal material.
9. The device according to any claims 1 to 8 characterized in that the pallet (1) is fitted with a network of channels. inside the pallet (7), which distributes the flow medium from the inlet line of the flow medium (5) into the inlet channels of the flow medium (3).
10. The device according to any claims 1 to 9 characterized in that the flow medium flows into the outlet line of the flow medium (6) through the outlet channels of the flow medium (4).
11. The device according to any claims 1 to 10 characterized in that the outlet line of the flow medium (6) runs into the device for ensuring a pressure drop (9) to which a fresh quantity of the flow medium is added through the inlet for fresh additional flow medium (8) in order to compensate for the losses of the flow medium during the flow through the device for foodstuff conditioning.
12. The device according to any claims 1 to 11 characterized in that the containers for foodstuff conditioning (2) are thick-walled and the walls of the containers are composed of several layers, i.e. from outside to inside: the outer layer made of load-bearing material, space for insulation (11), space for the flow of the flow medium (12) and the inner layer made of load-bearing material.
13. The device according to any claims 1 to 12 characterized in that the interior of the container for foodstuff conditioning (2) is fitted with compartments for the insertion of products.
14. The device according to any claims 1 to 13 characterized in that the space for the flow of the flow medium in the walls of the container for foodstuff conditioning (2) is physically divided into two parts to prevent mixing of the inlet flow medium and outlet flow medium.
15. The device according to any claims 1 to 14 characterized in that seals are installed with all flaps and between the container cover and the container for foodstuff conditioning.
16. The device according to any claims 1 to 15 characterized in that the interior of the container for foodstuff conditioning (2) is fitted with a container cover rest (14).
17. The device according to any claims 1 to 16 characterized in that the outer walls of the container for foodstuff conditioning are fitted with two container handles (15).
18. The device according to any claims 1 to 17 characterized in that the container cover (16) is made of load-bearing material fitted with insulation.
19. The device according to any claims 1 to 18 characterized in that the upper side of the container cover (16) is fitted with container cover handles (17).
20. The device according to any claims 1 to 19 characterized in that the container cover (16) is attached to the container for foodstuff conditioning (2) with hinges for opening the container cover.
21. The method for foodstuff conditioning characterized in that the flow medium for foodstuff conditioning is supplied into the pallet (1) through the inlet line of the flow medium (5) and discharged from the pallet through the outlet line of the flow medium (6), whereby the flow medium is channelled from the pallet (1) through the walls of the container for foodstuff conditioning (2).
22. The method for foodstuff conditioning according to claim 21 characterized in that air is used as the flow medium for foodstuff conditioning.
23. The method for foodstuff conditioning according to claim 21 characterized in that compressed gas is used as the cooling gas;
24. The method for foodstuff conditioning according to claim 21 characterized in that liquefied gas is used as the cooling gas.
25. The method for foodstuff conditioning according to claim 21 characterized in that a Peltier element is used for cooling the flow medium,
26. The method for foodstuff conditioning according to any claims 21 to 25 characterized in that the required energy to be added or removed from the flow medium is determined on the basis of the quantity and condition of the inlet flow medium.
27. The method for foodstuff conditioning according to any claims 21 to 26 characterized in that the flow medium is channelled into the device for flow medium conditioning, where the flow medium is conditioned to the desired temperature.
28. The method for foodstuff conditioning according to any claims 21 to 27 characterized in that the flow medium is channelled into the inlet channels of the flow medium (3) from the inlet line of the flow medium (5) through individual lines.
29. The method for foodstuff conditioning according to any claims 21 to 28 characterized in that the flow medium is channelled into the outlet line of the flow medium (6) from the outlet channels of the flow medium (4) through individual lines.
30. The method for foodstuff conditioning according to claim 21 characterized in that water is used as the flow medium for foodstuff conditioning.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP13830128.8A EP2946153B1 (en) | 2012-12-24 | 2013-12-16 | Device and method for foodstuffs conditioning |
SI201331897T SI2946153T1 (en) | 2012-12-24 | 2013-12-16 | Device and method for foodstuffs conditioning |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SIP-201200387 | 2012-12-24 | ||
SI201200387A SI24250A (en) | 2012-12-24 | 2012-12-24 | Device and method for food tempering |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2014104985A1 true WO2014104985A1 (en) | 2014-07-03 |
Family
ID=50114516
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/SI2013/000082 WO2014104985A1 (en) | 2012-12-24 | 2013-12-16 | Device and method for foodstuffs conditioning |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP2946153B1 (en) |
SI (2) | SI24250A (en) |
WO (1) | WO2014104985A1 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105157319A (en) * | 2015-09-29 | 2015-12-16 | 天津市傲绿农副产品集团股份有限公司 | Refrigerated and concentrated storage cabinet for communities |
EP3090961A1 (en) * | 2015-05-07 | 2016-11-09 | Air Liquide Deutschland GmbH | Cooling box and method for transporting perishables or heat-sensitive products in a transport vehicle and/or for distributing products to final customers |
EP3365622A1 (en) * | 2015-10-22 | 2018-08-29 | Carrier Corporation | Modular cold boxes for transport refrigeration unit |
CN112061757A (en) * | 2020-09-04 | 2020-12-11 | 广东智源机器人科技有限公司 | Meal output device |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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FR1280016A (en) * | 1960-11-15 | 1961-12-29 | Goetaverken Ab | Advanced pallet for refrigerated warehouses |
NZ250914A (en) * | 1994-02-18 | 1997-12-19 | Transphere Systems Ltd | Palletised goods storage with refrigeration unit mounted thereon |
NZ516028A (en) * | 1999-06-08 | 2004-07-30 | Qpod Systems Ltd | Container locatable within a shipping container, and having even gas flow through wall ducts |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4779524A (en) * | 1986-07-17 | 1988-10-25 | Nabisco Brands, Inc. | Apparatus for controlling the ripening of fresh produce |
-
2012
- 2012-12-24 SI SI201200387A patent/SI24250A/en not_active IP Right Cessation
-
2013
- 2013-12-16 EP EP13830128.8A patent/EP2946153B1/en active Active
- 2013-12-16 WO PCT/SI2013/000082 patent/WO2014104985A1/en active Application Filing
- 2013-12-16 SI SI201331897T patent/SI2946153T1/en unknown
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1280016A (en) * | 1960-11-15 | 1961-12-29 | Goetaverken Ab | Advanced pallet for refrigerated warehouses |
NZ250914A (en) * | 1994-02-18 | 1997-12-19 | Transphere Systems Ltd | Palletised goods storage with refrigeration unit mounted thereon |
NZ516028A (en) * | 1999-06-08 | 2004-07-30 | Qpod Systems Ltd | Container locatable within a shipping container, and having even gas flow through wall ducts |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3090961A1 (en) * | 2015-05-07 | 2016-11-09 | Air Liquide Deutschland GmbH | Cooling box and method for transporting perishables or heat-sensitive products in a transport vehicle and/or for distributing products to final customers |
CN105157319A (en) * | 2015-09-29 | 2015-12-16 | 天津市傲绿农副产品集团股份有限公司 | Refrigerated and concentrated storage cabinet for communities |
EP3365622A1 (en) * | 2015-10-22 | 2018-08-29 | Carrier Corporation | Modular cold boxes for transport refrigeration unit |
US11378324B2 (en) | 2015-10-22 | 2022-07-05 | Carrier Corporation | Modular cold boxes for transport refrigeration unit |
EP3365622B1 (en) * | 2015-10-22 | 2024-04-10 | Carrier Corporation | Transport containment assembly |
CN112061757A (en) * | 2020-09-04 | 2020-12-11 | 广东智源机器人科技有限公司 | Meal output device |
CN112061757B (en) * | 2020-09-04 | 2022-05-17 | 广东智源机器人科技有限公司 | Meal output device |
Also Published As
Publication number | Publication date |
---|---|
EP2946153A1 (en) | 2015-11-25 |
EP2946153B1 (en) | 2021-03-24 |
SI24250A (en) | 2014-06-30 |
SI2946153T1 (en) | 2021-11-30 |
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