WO2021069136A1 - VERFAHREN UND VORRICHTUNG ZUR HEIßABFÜLLUNG VON FLÜSSIGEM PRODUKT - Google Patents
VERFAHREN UND VORRICHTUNG ZUR HEIßABFÜLLUNG VON FLÜSSIGEM PRODUKT Download PDFInfo
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- WO2021069136A1 WO2021069136A1 PCT/EP2020/073472 EP2020073472W WO2021069136A1 WO 2021069136 A1 WO2021069136 A1 WO 2021069136A1 EP 2020073472 W EP2020073472 W EP 2020073472W WO 2021069136 A1 WO2021069136 A1 WO 2021069136A1
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- WIPO (PCT)
- Prior art keywords
- heat exchanger
- heat
- heat pump
- coolant
- cooling
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67C—CLEANING, FILLING WITH LIQUIDS OR SEMILIQUIDS, OR EMPTYING, OF BOTTLES, JARS, CANS, CASKS, BARRELS, OR SIMILAR CONTAINERS, NOT OTHERWISE PROVIDED FOR; FUNNELS
- B67C3/00—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus; Filling casks or barrels with liquids or semiliquids
- B67C3/02—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus
- B67C3/04—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus without applying pressure
- B67C3/045—Apparatus specially adapted for filling bottles with hot liquids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67C—CLEANING, FILLING WITH LIQUIDS OR SEMILIQUIDS, OR EMPTYING, OF BOTTLES, JARS, CANS, CASKS, BARRELS, OR SIMILAR CONTAINERS, NOT OTHERWISE PROVIDED FOR; FUNNELS
- B67C3/00—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus; Filling casks or barrels with liquids or semiliquids
- B67C3/02—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus
- B67C3/22—Details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67C—CLEANING, FILLING WITH LIQUIDS OR SEMILIQUIDS, OR EMPTYING, OF BOTTLES, JARS, CANS, CASKS, BARRELS, OR SIMILAR CONTAINERS, NOT OTHERWISE PROVIDED FOR; FUNNELS
- B67C3/00—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus; Filling casks or barrels with liquids or semiliquids
- B67C3/02—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus
- B67C3/22—Details
- B67C2003/226—Additional process steps or apparatuses related to filling with hot liquids, e.g. after-treatment
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- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/90—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in food processing or handling, e.g. food conservation
- Y02A40/963—Off-grid food refrigeration
Definitions
- the present invention relates to a method for hot filling of liquid product according to the preamble of claim 1 and a device for hot filling of liquid product according to the preamble of claim 5.
- EP 2 532 247 B1 discloses a method and a device for hot filling of liquids, in particular juices, with a short-term heater which comprises a first heat exchanger, a filling station for filling the liquids into containers and a cooling tunnel which consists of a plurality of cooling cells, to cool the filled container using a cooling liquid.
- a short-term heater which comprises a first heat exchanger, a filling station for filling the liquids into containers and a cooling tunnel which consists of a plurality of cooling cells, to cool the filled container using a cooling liquid.
- the liquids are heated in the short-term heater by adding thermal energy to the cooling liquid in the cooling tunnel heated during the cooling process by means of a separate heat pump to the short-term heater.
- EP 3 057 442 B1 discloses a method for preheating a food product in a hot filling system, with a heater for heating the food product to a filling temperature, a preheater upstream of the heater for preheating the food product, a filler for filling the food product into containers, a cooling tunnel for cooling the hot-filled containers with a coolant that is run in a coolant circuit over the preheater and the cooling tunnel, with the preheater, the thermal energy of the coolant of the cooling tunnel heated during the cooling of the containers to the food telproduct, with a separate heat pump that uses the residual heat energy of the coolant flowing out of the preheater on the primary side to further increase the temperature of the preheated food product with a cakesachmit tel, which is routed in a heat transfer medium circuit on the secondary side via the heat pump.
- FIG. 1 shows a schematic view of a device for hot filling of liquid product, which reflects the disclosure of this prior art.
- the invention relates to a method for hot filling of liquid product, such as juice th, with a short-term heater comprising a first heat exchanger and a second heat exchanger, a filling station for filling the product into containers, such as bottles, a cooling tunnel, which consists of a plurality of There is a cooling cell to cool the filled container by means of a coolant, for example water, and a heat pump.
- a coolant for example water
- a heat pump Before filling into the container, the product is heated to a target temperature, for example a filling temperature, in the short-term heater.
- At least part of the coolant is conducted from the cooling tunnel to and through the first heat exchanger, so that at least part of the thermal energy of the coolant can initially be transferred to the product by means of the first heat exchanger.
- the product is then passed from the first heat exchanger to the second heat exchanger, at least a further part of the thermal energy being transferable to the second heat exchanger by means of the heat pump through a heat transfer medium for further heating of the product to the target temperature.
- the heat transfer medium which circulates through the second heat exchanger and the heat pump, is additionally heated by means of a heater which is arranged in the direction of circulation between the heat pump and the second heat exchanger.
- the product for example beverage juice
- the product is heated in the Kurzzei terhitzer, even before filling.
- the thermal energy from the coolant which is heated in the cooling cells of the cooling tunnel during the cooling process, is fed to the short-term heater by means of the heat pump.
- the additional heater is provided between the heat pump and the second heat exchanger. For this increase in the temperature level, an amount of heat can be supplied by the heater, which is provided for example via steam or pressurized hot water.
- the heater is provided in the secondary circuit, a steam heating device, feed lines and discharges of the steam or the Druckh deviswas sers can be manufactured more cheaply than if a heater is provided in the primary circuit. If, on the other hand, the heater were provided in the primary circuit, direct contact with The product placed significantly higher demands on the heater as well as on the corresponding pipelines. In addition, this heat exchanger should not be directly exposed to the heating medium steam, so that a further heat exchanger circuit would have to be interposed between the media-touched heat exchanger and the heating medium steam.
- the thermal energy supplied by the heat pump can be transferred to the product by means of the second heat exchanger in order to heat it.
- the heat energy supplied by the heat pump can be transferred to the product to be heated in the second heat exchanger, for example with the aid of the heat transfer medium, such as water.
- the heat transfer medium which is now cooler due to the first heat exchange, can be returned to the heat pump.
- the first heat exchanger can be provided in series with the heat pump in such a way that the coolant passes from the cooling tunnel to the first heat exchanger and then to the heat pump.
- the first heat exchanger With regard to the heating of the product before filling, the first heat exchanger can be seen in series, that is, in series with the heat pump. The serial connection of the first heat exchanger with the heat pump with regard to the heating of the product can thus make it possible to increase the temperature level in the heat pump and thus improve the coefficient of performance of the heat pump.
- two steps take place to heat the product to be filled, the heat transfer by means of the first heat exchanger, in particular for directly transferable thermal energies from the cooling tunnel to the product, and then the increase in the energy level to the target temperature provided for preheating the product with the aid of the heat pump.
- the first heat exchanger can be provided in parallel to the heat pump for heating the product before filling in such a way that at least part of the coolant reaches the first heat exchanger from the cooling tunnel and at least another part of the coolant arrives from the cooling tunnel to the heat pump.
- the first heat exchanger can therefore be provided in parallel with the heat pump.
- a first cascade of cooling cells can be used for direct heat transfer through the first heat exchanger. For example, after the heat exchange in the first heat exchanger, the coolant is returned to the cooling cells.
- a second, parallel cascade of cooling cells is connected, for example, to the heat pump, for example additionally with the help of a simple pump, whereby the energy gien level can be increased by the thermal energy of the second cascade, so that this energy level for heating the product to be filled can be raised to the target temperature.
- the target temperature can be a filling temperature, which can be dependent on the product, for example.
- the part of the coolant that reaches the first heat exchanger can be warmer than the part of the coolant that can reach the heat pump.
- the temperature in the group of the first cooling cells, which are arranged, for example, sequentially is higher than in the group of the second cooling cells, which are also arranged, for example, sequentially.
- the parallel connection of the first heat exchanger corresponding to the first cascade and the heat pump corresponding to the second cascade enables an even higher energy level and thus a higher coefficient of performance of the heat pump to be achieved.
- the control of the fiction, contemporary device as described above or below can be done, for example, with a suitable control unit, such as a computer.
- a device for carrying out the method for hot filling liquid product, in particular juices comprises a short-term heater which comprises a first heat exchanger and a second heat exchanger, the product flowing through the first and the second heat exchanger in the short-term heater, a filling station for filling the product in containers, for example bottles, a cooling tunnel, which consists of a plurality of cooling cells, and a heat pump.
- the device comprises a heater which is designed to heat a heat transfer medium that circulates through the second heat exchanger and the heat pump, the heater being arranged in the direction of circulation between the heat pump and the second heat exchanger,
- the process for the hot filling of liquid product is to be understood as one of the processes as described above or below.
- the short-term heater, the filling station, the heat pump and the cooling tunnel can each be designed separately. Each of these elements can therefore be formed separately from the other elements of the device.
- the connections of the elements can be provided by suitable conveying and / or transport elements, for example pipes for transporting the product or other liquids that can serve as auxiliary liquids for heat transfer, as well as conveyor belts or transport devices for containers.
- the first heat exchanger can comprise a plate heat exchanger or a tubular heat exchanger. In other words, common types of heat exchangers can be used to transfer the thermal energy supplied by the heat pump to the product to be heated.
- the heat pump can comprise a compression heat pump, for example an electrically driven compression heat pump, an ammonia heat pump or a heat pump with a transcritical CC> 2 process.
- a compression heat pump for example an electrically driven compression heat pump, an ammonia heat pump or a heat pump with a transcritical CC> 2 process.
- common types of heat pumps can be used, especially those in which ammonia or CO 2 is used as a coolant.
- the latter enables the use of particularly energy-efficient heat pumps, whereby at the same time coolants such as nitrogen or halogen-alkanes can be dispensed with, where the latter can possibly be undesirable in bottling plants and halogen-alkanes in their property as climate-damaging gases cannot be desired.
- the heat pump can be provided between one of the cooling cells of the cooling tunnel and the first heat exchanger.
- the heat pump can therefore be provided between the multi-cell cooling tunnel and the heat exchanger.
- the heated coolant can be pumped from the cooling tunnel to the heat pump by means of a simple pump. After the heat exchange, the coolant coolant is then returned to the cooling tunnel, for example again with an additional pump.
- the cooling cells can be connected to one another in such a way that the coolant can flow from one cooling cell into one or more adjacent cooling cells, for example from a colder cooling cell into a warmer cooling cell. After filling, the filled, sealed containers pass through the cooling tunnel with several similar or similar cooling cells.
- the cold rooms typically differ in the temperatures that prevail in each cold room.
- Each of the cooling cells may include a sprinkler device to spray the containers with the coolant.
- the containers to be cooled are therefore, for example, sprinkled / sprayed with water. This can result in an exchange of heat between the coolant / water and the product filled in the containers.
- the cooling liquid can be collected, for example separately for each cooling cell.
- the collecting basins for the coolant of the cooling cells can, for example, be connected to one another so that coolant can flow from one cooling cell into an adjacent cooling cell and can also be used there again for sprinkling.
- the heat pump can be provided between the cooling cell with the highest temperature of the heated cooling means and the first heat exchanger. For example, this is the first cooling cell in the cooling tunnel.
- a third heat exchanger can be provided between the heat pump and a coldest cooling cell of the plurality of cooling cells.
- the third heat exchanger can be connected on the primary side via a pipeline to a cooling tower, for example, and can be designed to cool the coolant down to the coolant temperature required at the cooling tunnel by dissipating an amount of heat Q ab.
- a cooling tower instead of the cooling tower, other cold sources, such as customer-side refrigeration systems or cold water tanks, can also be provided. From the third heat exchanger, the coolant can be returned to the cooling tunnel or to a cooling cell via a line.
- FIG. 1 device for hot filling of liquid product according to the prior art
- FIG. 2 shows a first embodiment of a device for hot filling of liquid product with a heat pump and a short-term heater, the heat pump and a second heat exchanger of the short-term heater being provided in series, and FIG.
- FIG. 3 shows a second embodiment of a device for hot filling of liquid product with a heat pump and a short-term heater, the heat pump and a second heat exchanger of the short-term heater being provided in parallel.
- FIG. 1 shows a device for hot filling of liquid product according to the prior art.
- the device comprises a heat pump 1, a preheating stage 2 of a short time heater, which comprises a first heat exchanger 4 and a second heat exchanger 3 as a preheater, a filling station 5, a cooling tunnel 6 and a heater 7.
- the heat pump 1 and the first heat exchanger 4 are serially provided.
- the liquid product is fed to the first heat exchanger 4 via a product feed line 8.
- the product flows through the first heat exchanger 4, with heated coolant, for example water from the cooling tunnel 6, being used in the opposite direction to heat the product in the first heat exchanger 4 to a temperature that is still below a target temperature, for example a filling temperature, lies. Preheating can thus take place.
- the heated coolant is pumped from the cooling tunnel 6 via a line 7 and a pump 10 to and through the first heat exchanger 4.
- the heated Coolant is used to heat the product in a first step, ie for directly transferable energies.
- the product supplied via the supply line 8 is therefore already heated by means of the first heat exchanger 4.
- the heated product is passed on to the second heat exchanger 3.
- the coolant which is slightly cooled in the temperature level due to its use in the first heat exchanger 4, is conducted from the first heat exchanger 4 by means of the feed line 11 to the heat pump 1 and there to a second heat pump element 13.
- the heat pump 1 comprises the first heat pump element 12 for heat dissipation, the second heat pump element 13 for heat absorption, as well as a compressor 14 and a throttle 15.
- the reference numerals 16 and 17 denote the direction of flow within the heat pump 1.
- the temperature Tc 2 of the coolant when entering the second heat pump element 13 can be about 30 to 32 ° C.
- the temperature Tci of the coolant can be about 16.degree.
- the temperature Ti can be around 28 ° C., the temperature T 2 around 96 ° C., the temperature T3 around 28 ° C. and the temperature T 4 around 27 ° C.
- the coolant which has already cooled down after passing through the second heat pump element 13, is passed via a line 20 to a third heat exchanger 61.
- the third heat exchanger 61 is connected on the primary side via the pipe 63 to, for example, a cooling tower 62 and cools the coolant by dissipating an amount of heat Q down to the coolant temperature required at the cooling tunnel 62.
- the coolant is returned to the cooling tunnel 6 via the line 64.
- the cooling tunnel 6 consists of six cooling cells 6.1, 6.2, 6.3, 6.4, 6.5, 6.6. As shown by way of example in FIG. 2, the coolant is directed to the coldest of the exemplary six cells 6.1-6.6 of the cooling tunnel 6, namely cell 6.6.
- the filled containers 21 run through the, for example, immediately adjacent cooling cells 6.1-6.6 with the aid of a suitable transport medium (not shown here).
- the cooling cells 6.1 - 6.6 also include sprinkling devices 20.1, 20.2, 20.3, 20.4, 20.5, 20.6, which are shown schematically. These serve to sprinkle the closed container 21 to be cooled with the coolant in order to cool them down.
- the coolant is fed to the sprinkling devices 20.1-20.6 through coolant feed lines 21.1, 21.2, 21.3, 21.4, 21.5, 21.6.
- the coolant used can be collected by coolant basins 22.1, 22.2, 22.3, 22.4, 22.5, 22.6, and at least part of the coolant can be removed from the coolant basins 22.1-22.6 with the aid of pumps 23.1, 23.2, 23.3, 23.4, 23.5, 23.6, respectively again to Sprinkling can be used.
- the coolant basins 22.1-22.6 are each arranged adjacent so that at least two adjacent cooling cells 6.1-6.6 can be connected by suitable lines 24.1, 24.2, 24.3, 24.4, 24.5.
- the heated product is passed on via a line 9 to the second heat exchanger 3 and can be further heated there.
- the two heat exchangers 3, 4 are provided in series in the short-term heater 2, for example.
- the two heat exchangers 3, 4 are connected in series via line 9.
- the further heating of the product in the second heat exchanger 3 takes place through the release of heat from a heat carrier, for example water, which circulates through the second heat exchanger 3 and the first heat pump element 12. From the first heat pump element 12, the heat transfer medium at a temperature Tsi is returned to the second heat exchanger 3 via a feed line 18.
- a heat carrier for example water
- the heat transfer medium cooled to a temperature Ts3 of 35 ° C.-40 ° C. is returned to the first heat pump element 12 via a feed line 19.
- the product After passing through the second heat exchanger 3, the product is passed via a feed line 58 to a fourth heat exchanger 56 and can there be heated to the target temperature, for example the filling temperature, in order to then be passed via a suitable line system 25 to the filling station 5.
- the containers 21 After the filling process and the closing of the containers 21 into which the heated product has been filled, the containers 21 can be transported to the cooling tunnel 6 via a suitable transport path 26.
- the use of the heated coolant from the cooling tower 6 is also provided in series.
- the first heat exchanger 4 is thus provided in series with the heat pump 1 with regard to the heating.
- the product is heated to the target temperature in the fourth heat exchanger 56 by releasing heat from a heat transfer medium, for example water, which is passed through a fifth heat exchanger 57 and absorbs heat there.
- a heat transfer medium for example water
- the main heating stage of the short-term heater is identified with the reference symbol 55.
- FIG. 2 shows a first embodiment of a device for hot filling of liquid product with a heat pump 1, a short-term heater 2 comprising a first heat exchanger 4 and a second heat exchanger 3, a filling station 5, a cooling tunnel 6 and a heater 7.
- the heat pump 1 and the first heat exchanger 4 are serially provided.
- the first heat exchanger 4 in the first embodiment continues to operate as a preheater, while the second heat exchanger 3 takes over the function as the main heating stage of the short-term heater 2.
- the liquid product i.e. a liquid to be heated and cooled again after filling, such as a juice drink
- the product flows through the first heat exchanger 4, with heated cooling medium, such as water from the cooling tunnel 6, being used in the opposite direction to heat the product in the first heat exchanger 4 to a temperature that is still below a target temperature, for example one Filling temperature. Preheating can thus take place.
- the heated coolant is pumped from the cooling tunnel 6 via a line 7 and a pump 10 to and through the first heat exchanger 4.
- the heated coolant is used to heat the product in a first step, i.e. for directly transferable energies.
- the product supplied via the supply line 8 is therefore already heated by means of the first heat exchanger 4.
- the heated product is passed on to the second heat exchanger 3.
- the coolant which is slightly cooled in the temperature level due to its use in the first heat exchanger 4, is conducted from the first heat exchanger 4 by means of the feed line 11 to the heat pump 1 and there to a second heat pump element 13.
- the heat pump 1 comprises the first heat pump element 12 for heat dissipation, the second heat pump element 13 for heat absorption, as well as a compressor 14 and a throttle 15.
- the reference numerals 16 and 17 denote the direction of flow within the heat pump 1.
- the temperature Tc 2 of the coolant when entering the second heat pump element 13 can be about 30 to 32 ° C, other temperatures are also possible.
- the temperature Tci of the coolant can be around 16 ° C., but other temperatures are also possible depending on the machine design, length of the machine, insulation, etc.
- the temperature Ti can be approximately 28 ° C., the temperature T 2 approximately 96 ° C., the temperature T3 approximately 28 ° C. and the temperature T 4 approximately 27 ° C.
- These temperature specifications are intended to be purely exemplary, and other temperature specifications are also possible depending on the design of the heat pump 1, its coefficient of performance, the electrical energy supplied and other parameters corresponding to the design of the machines.
- the coolant which has already cooled down after passing through the second heat pump element 13, is passed via a line 20 to a third heat exchanger 61.
- the third heat exchanger 61 is connected on the primary side via the pipeline 63 to, for example, a cooling tower 62 and cools the coolant by dissipating an amount of heat Q down to the coolant temperature required at the cooling tunnel 62.
- a cooling tower 62 instead of the cooling tower 62, however, other cold sources, such as, for example, customer-side refrigeration systems or cold water tanks, are also possible.
- the coolant is returned to the cooling tunnel 6 via the line 64.
- the cooling tunnel 6 consists of six cooling cells 6.1, 6.2, 6.3, 6.4, 6.5, 6.6. As shown by way of example in FIG.
- the coolant is directed to the coldest of the exemplary six cells 6.1 - 6.6 of the cooling tunnel 6, namely to cell 6.6.
- the filled containers 21 run through with the help of a suitable transport medium (not shown here), such as egg nes conveyor belt, for example, the immediately adjacent cooling cells 6.1-6.6.
- the filled containers 21, such as bottles, can be passed directly from one to the other cooling cell 6.1 - 6.6.
- the cooling cells 6.1 - 6.6 also include sprinkling devices 20.1, 20.2, 20.3, 20.4, 20.5, 20.6, which are shown schematically. These serve to sprinkle the closed container 21 to be cooled with the coolant in order to cool them down.
- the coolant is fed to the sprinkling devices 20.1-20.6 through coolant feed lines 21.1, 21.2, 21.3, 21.4, 21.5, 21.6.
- the coolant used can be collected by coolant basins 22.1, 22.2, 22.3, 22.4, 22.5, 22.6, and at least part of the coolant can be removed from the coolant basins 22.1-22.6 with the aid of pumps 23.1, 23.2, 23.3, 23.4, 23.5, 23.6, respectively can be used again for sprinkling.
- cooler coolant such as water
- the coolant basins 22.1-22.6 are each arranged adjacent so that at least two adjacent cooling cells 6.1-6.6 can be connected by suitable lines 24.1, 24.2, 24.3, 24.4, 24.5.
- the heated product is passed on via a line 9 to the second heat exchanger 3 and can there be heated to the target temperature, for example the filling temperature.
- the target temperature can be 80 - 90 ° C, depending on the target temperature intended for the product.
- the two heat exchangers 3, 4 are provided in series in the short-term heater 2, for example.
- the two heat exchangers 3, 4 are connected in series via line 9.
- the product is heated to the target temperature in the second heat exchanger 3 by releasing heat from a heat transfer medium, for example water, which circulates through the second heat exchanger and the first heat pump element 12.
- a heat transfer medium for example water
- the heat transfer medium with a temperature Tsi of 50 ° C.-60 ° C. is passed via a supply line 18 to and through a heater 7, in which the heat transfer medium is raised to a higher temperature Ts2 of ll
- an amount of heat Q zu is supplied by the heater 7 by means of a line 60, the amount of heat Q zu being made available, for example, via steam or pressurized hot water.
- the heat transfer medium cooled to a temperature Ts3 of 35 ° C.-40 ° C. is returned to the first heat pump element 12 via a feed line 19.
- the filling station 5 can comprise a suitable device for hot filling the product into containers 21, for example bottles, as is known in the prior art.
- the containers 21 are typically 29los sen.
- the transport of the Benzol ter 21 to the cooling tunnel 6 can be carried out via a suitable transport route 26.
- the use of the heated coolant from the cooling tower 6 is also provided in series.
- the first heat exchanger 4 is thus provided in series with the heat pump 1 with regard to the heating.
- FIG 3 shows a second embodiment of a device for hot filling of liquid product with a heat pump 33, a short-term heater 34, which comprises a first heat exchanger 36 and a second heat exchanger 35, a filling station 5, a cooling tunnel 27 and a heater 7.
- the first heat exchanger 36 is provided in parallel to the heat pump 33 with regard to the heating of the product.
- a cooling tunnel 27 is shown, which is similar to the cooling tunnel 6 shown in Figure 2, but is different in that groups of cooling cells of the cooling tunnel transfer the coolant removed from them to the first heat exchanger 36 or to a second heat pump element 40 of the heat pump 33 can lead.
- the first heat exchanger 36 in the second embodiment continues to operate as a preheater, while the second heat exchanger 35 takes on the function of the main heating stage of the short-term heater 2.
- the cooling tunnel 27 comprises, shown by way of example, six cooling cells 27.1-27.6. These cold rooms include sprinkling devices 28.1, 28.2, 28.3, 28.4, 28.5, 28.6, which are purely schematically two- are shown poorly.
- the sprinkling devices 28.1-28.6 receive the coolant used for sprinkling, such as water, via feed lines 29.1, 29.2, 29.3, 29.4, 29.5, 29.6.
- the coolant that drips or licks off the containers 21 after the sprinkling is collected in the respective coolant basins 30.1, 30.2, 30.3, 30.4, 30.5, 30.6 of the respective cooling cells 27.1-27.6.
- the collected coolant can at least partially via pumps 31.1, 31.2, 31.3,
- cooler coolant flowing back from the heat pump 33 can be fed to the cooling cells 27.4, 27.5, 27.6.
- the coolant basins 30.1-30.6 are each arranged adjacent, so that the first three cooling cells 27.1, 27.2, 27.3 through suitable lines 32.1, 32.2 and the last three cooling cells 27.4,
- the product i.e. a liquid to be heated and cooled again after filling, such as a juice drink
- the first heat exchanger 36 is connected to the second heat exchanger 35 via a line 37, the heat exchangers 35, 36 being provided in series in the short-term heater 34, for example.
- the product supplied through the line 8 is heated to a temperature which is below a target temperature, for example a filling temperature.
- the heated product is then fed to the second heat exchanger 35 for further heating to the target temperature.
- the product After heating to the target temperature, the product is fed to the filling station 5 via a line 38.
- the filling station 5 corresponds to the filling stations already described above in connection with FIG. 1.
- the reference symbol 26 indicates that the filled and closed containers 21 can be passed on to the cooling tunnel 27.
- the filling station 5 and the cooling tunnel 27 can be provided spatially separated from one another. The same applies to the short-term heater 34 with the two heat exchangers 35, 36.
- FIG. 3 also shows the heat pump 33, which is provided with a first heat pump element 39 for heat dissipation and the second heat pump element 40 for heat absorption.
- a compressor 41 and a throttle 42 on the opposite side are provided between the second heat pump element 40 and the first heat pump element 39.
- the reference numerals 43 and 44 denote the direction of flow within the inner circle of the heat pump 33.
- the product is heated to the target temperature in the second heat exchanger 35 by releasing heat from a heat transfer medium, for example water, which circulates through the second heat exchanger 35 and the first heat pump element 39.
- the heat transfer medium is passed via a feed line 45 to and through a heater 7, in which the heat transfer medium is heated to a higher temperature.
- an amount of heat Q zu is supplied by the heater 7 by means of a line 60, the amount of heat Q zu being made available, for example, via steam or pressurized hot water.
- the cooled heat transfer medium is conducted back to the first heat pump element 39 via a pump 54 and a supply line 53.
- a first cascade for example comprising a group of three cooling cells 27.1, 27.2, 27.3, with any other grouping being possible, is connected to the first heat exchanger 36. That is, the heated coolant from this group, typically taken from the warmest coolant basin 30.1, is fed via a feed line 46, a pump 47 and a further feed line 48 to the first heat exchanger 36 in order to transfer energy from the first cascade to the product. After the heat transfer has taken place, the coolant is returned to the group of three cooling cells 27.1, 27.2, 27.3 via arastlei device 49.
- FIG. 3 shows a further group which, for example, consists of three cooling cells 27.4, 27.5, 27.6, although another grouping is also possible.
- coolant is passed to the heat pump 33, ie to the second heat pump element 40 .
- the coolant which is now more cool is passed via the supply line 52 to a third heat exchanger 61.
- the third heat exchanger 61 is connected on the primary side via the pipeline 63 to a cooling tower 62, for example, and cools the coolant down to the coolant temperature required at the cooling tunnel 62 by dissipating an amount of heat Q.
- a cooling tower 62 instead of the cooling tower 62, however, other cold sources, such as customer-side refrigeration systems or cold water tanks, are also possible.
- the coolant is returned via the line 64 to the cooling cell with the reference number 27.6, that is to say the coldest of the second group.
- the heating and cooling of the product can be controlled by a suitable computer control, not shown here.
Abstract
Description
Claims
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BR112022006621A BR112022006621A2 (pt) | 2019-10-08 | 2020-08-21 | Método para encher um produto líquido a quente, e, dispositivo para realizar o método |
MX2022004172A MX2022004172A (es) | 2019-10-08 | 2020-08-21 | Metodo y dispositivo para el llenado en caliente de un producto liquido. |
JP2022519777A JP2022551244A (ja) | 2019-10-08 | 2020-08-21 | 液体製品をホット充填するための方法およびデバイス |
EP20761205.2A EP4041670A1 (de) | 2019-10-08 | 2020-08-21 | VERFAHREN UND VORRICHTUNG ZUR HEIßABFÜLLUNG VON FLÜSSIGEM PRODUKT |
US17/763,077 US20220371872A1 (en) | 2019-10-08 | 2020-08-21 | Method and device for hot-filling a liquid product |
AU2020362863A AU2020362863A1 (en) | 2019-10-08 | 2020-08-21 | Method and device for hot-filling a liquid product |
CN202080070602.8A CN114502500B (zh) | 2019-10-08 | 2020-08-21 | 用于热灌装液体产品的方法及设备 |
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DE102019126946.6A DE102019126946A1 (de) | 2019-10-08 | 2019-10-08 | Verfahren und Vorrichtung zur Heißabfüllung von flüssigem Produkt |
DE102019126946.6 | 2019-10-08 |
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WO2021069136A1 true WO2021069136A1 (de) | 2021-04-15 |
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US (1) | US20220371872A1 (de) |
EP (1) | EP4041670A1 (de) |
JP (1) | JP2022551244A (de) |
CN (1) | CN114502500B (de) |
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2019
- 2019-10-08 DE DE102019126946.6A patent/DE102019126946A1/de active Pending
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- 2020-08-21 CN CN202080070602.8A patent/CN114502500B/zh active Active
- 2020-08-21 MX MX2022004172A patent/MX2022004172A/es unknown
- 2020-08-21 EP EP20761205.2A patent/EP4041670A1/de active Pending
- 2020-08-21 AU AU2020362863A patent/AU2020362863A1/en active Pending
- 2020-08-21 WO PCT/EP2020/073472 patent/WO2021069136A1/de unknown
- 2020-08-21 US US17/763,077 patent/US20220371872A1/en active Pending
- 2020-08-21 BR BR112022006621A patent/BR112022006621A2/pt unknown
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EP3057442B1 (de) | 2013-10-17 | 2017-03-29 | GEA TDS GmbH | Verfahren und vorrichtung zur vorerwärmung eines pumpfähigen lebensmittelprodukts in einer heissabfüllung mit einer wärmepumpe |
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MX2022004172A (es) | 2022-05-02 |
US20220371872A1 (en) | 2022-11-24 |
CN114502500B (zh) | 2023-06-02 |
JP2022551244A (ja) | 2022-12-08 |
CN114502500A (zh) | 2022-05-13 |
BR112022006621A2 (pt) | 2022-06-28 |
EP4041670A1 (de) | 2022-08-17 |
DE102019126946A1 (de) | 2021-04-08 |
AU2020362863A1 (en) | 2022-04-21 |
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