EP3325900A1 - Füllvorrichtung zum befüllen eines einem kühlbehälter zugeordneten kältemittel-aufnahmefachs mit einem kryogenen kältemittel - Google Patents
Füllvorrichtung zum befüllen eines einem kühlbehälter zugeordneten kältemittel-aufnahmefachs mit einem kryogenen kältemittelInfo
- Publication number
- EP3325900A1 EP3325900A1 EP16741631.2A EP16741631A EP3325900A1 EP 3325900 A1 EP3325900 A1 EP 3325900A1 EP 16741631 A EP16741631 A EP 16741631A EP 3325900 A1 EP3325900 A1 EP 3325900A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- filling
- carbon dioxide
- nozzle
- receiving compartment
- gun
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 29
- 239000002826 coolant Substances 0.000 title 1
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 261
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 130
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 130
- 239000007788 liquid Substances 0.000 claims abstract description 70
- 238000005429 filling process Methods 0.000 claims abstract description 12
- 239000003507 refrigerant Substances 0.000 claims description 83
- 230000003287 optical effect Effects 0.000 claims description 19
- 238000003860 storage Methods 0.000 claims description 16
- 238000012544 monitoring process Methods 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 2
- 230000008016 vaporization Effects 0.000 claims 1
- 239000007787 solid Substances 0.000 abstract 1
- 238000007789 sealing Methods 0.000 description 10
- 239000012071 phase Substances 0.000 description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 238000000605 extraction Methods 0.000 description 5
- 239000000835 fiber Substances 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 230000005294 ferromagnetic effect Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000013307 optical fiber Substances 0.000 description 3
- 230000000717 retained effect Effects 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 238000005755 formation reaction Methods 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000003570 air Substances 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 235000011089 carbon dioxide Nutrition 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000016507 interphase Effects 0.000 description 1
- 239000003562 lightweight material Substances 0.000 description 1
- 230000005291 magnetic effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002040 relaxant effect Effects 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 238000000859 sublimation Methods 0.000 description 1
- 230000008022 sublimation Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000009827 uniform distribution Methods 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
- F25D3/00—Devices using other cold materials; Devices using cold-storage bodies
- F25D3/12—Devices using other cold materials; Devices using cold-storage bodies using solidified gases, e.g. carbon-dioxide snow
- F25D3/125—Movable containers
Definitions
- Filling device for filling a cooling tank associated with a refrigerant receiving compartment with a cryogenic refrigerant
- the invention relates to a filling device for filling a refrigerant receiving compartment associated with a cooling container for cooling products
- Carbon dioxide snow with a supply unit and one to the
- Supply unit coupled filling gun, the filling gun with a
- Relaxation nozzle for supplying liquid carbon dioxide and having a gas outlet opening of the refrigerant receiving compartment connectable suction port for discharging gaseous carbon dioxide and is connected to the supply unit via a flow-connected to the filling port carbon dioxide liquid feed line and a suction connected to the suction port suction, and with a control valve for controlling the supply of liquid carbon dioxide in the carbon dioxide liquid supply line, a suction device for extracting gaseous carbon dioxide from the suction line and a control and
- Control unit for controlling the filling process.
- Cooling containers are used with which a complete cold chain from production to the end customer is to be ensured even if permanent cooling by an electrically operated cooling unit is not possible.
- Such mobile cooling containers have a product receiving compartment for storing the products to be kept cool and a spatially separated from this, but with this thermally connected refrigerant receiving compartment for a cryogenic refrigerant.
- the refrigerant absorbs heat that penetrates through the walls of the container, ensuring that the temperature in the product receptacle does not rise and the product is kept at a low temperature. This leads to the gradual evaporation or sublimation of the refrigerant.
- the product can be kept in this way for many hours at a certain low temperature, without it to one
- the cooling tank in question standing type are dimensioned so that they can be easily moved by means of attached to them by a person.
- Typical refrigerated containers have
- Cooling temperature over a period of a few hours is sufficient
- Receptacle for the refrigerant much smaller dimensioned than the compartment for receiving the products and has, for example, a volume between 5 liters and 50 liters.
- the present invention relates to a filling device for
- a cooling container of the aforementioned type is known for example from EP 0 942 244 A1.
- the container has a drawer-like refrigerant storage compartment for carbon dioxide snow, which is thermally and fluidically connected to a product receiving compartment arranged thereunder.
- the refrigerant tank is loaded with carbon dioxide snow, which has a temperature of -78 ° C.
- the carbon dioxide snow absorbs heat entering the cooling tank and gradually sublimates. Due to a suitable setting of
- the products can be reliably maintained at a temperature of, for example, 0 ° C to 5 ° C (for fresh produce) or -15 ° C to - 25 ° C (frozen) for more than 24 hours.
- a filling device described in EP 1 088 191 B1 is used for filling the refrigerant receiving compartment of such a cooling container.
- Filling device has a filling gun and a connected thereto
- the filling gun is equipped with a relaxation nozzle, which is inserted into a filling opening of the refrigerant receiving compartment, and with a trigger device, which is connected to a gas outlet opening of the refrigerant receiving compartment.
- a relaxation nozzle which is inserted into a filling opening of the refrigerant receiving compartment
- a trigger device which is connected to a gas outlet opening of the refrigerant receiving compartment.
- the filling gun is equipped with connection fittings with which the filling gun is connected in a substantially gas-tight manner with the refrigerant receiving compartment and ensure that during the filling process as possible no carbon dioxide escapes into the environment of the container. Since the carbon dioxide is supplied at high pressure, the filling gun is also with
- Electromagnets are provided, which establish a secure connection to the refrigerant storage compartment.
- a control valve arranged in the filling gun which controls the supply of carbon dioxide, can not be opened until a correct connection is established via electrical detectors likewise arranged in the filling gun.
- the supply unit includes supply and discharge lines for the carbon dioxide, a control unit electrically connected to the control valve, the electromagnet and the detectors and a mechanical holding device that allows one-handed operation of the filling gun.
- 2007/036656 A1 WO 2007/042727 A1, EP 2 645 024 A1 and EP 2 336 684 A1.
- the filling guns of the known systems are quite complex in construction. This is not least due to the fact that the liquid carbon dioxide is supplied under a high pressure, whereby considerable demands on the safety and tightness of the compound produced must be made. Further problematic are the considerable temperature fluctuations and associated deposits of humidity and water ice formations, due to which all electrical components within the filling gun, such as electrically operated valves, heaters, electromagnets, electrical
- Control unit are arranged in the supply unit.
- the filling gun contains neither the supply of liquid carbon dioxide controlling valve nor electrical components, in particular, the filling gun has no electrical controls, electrical sensors or solenoids. All valves and electrical or electronic controls are located within the supply unit.
- the filling gun is therefore very simple in construction and light in weight. As a result, the operation of the filling device is substantially simplified; In particular, can be dispensed with a crane assembly for holding the filling gun during filling.
- Filler gun and supply unit are connected only via a carbon dioxide liquid supply line, a gas discharge line and optionally one or more optical fibers with each other, which are each designed in the form of flexible lines and thus provide an operator with great freedom of movement.
- the filling gun comprises a relaxation nozzle, a suction opening and optionally non-electrically operating detectors, which are arranged in a common, preferably made of a lightweight material, for example made of a light metal housing.
- Suction opening are adapted to the arrangement of the filling opening and the gas outlet opening on each used refrigerant receiving compartment.
- the filling opening and the gas discharge opening of the refrigerant receiving compartment are spaced apart from each other or concentric with each other, and accordingly, the expansion nozzle used and the suction opening are spaced from each other or arranged concentrically to each other.
- the filling gun is preferably detachably connected to the supply unit; should be filled with the device according to the invention, a refrigerant receiving compartment of a different type, the filling gun of the
- Supply unit to be separated and replaced by a correspondingly different filling gun.
- the trained as a cabinet supply unit is basically stationary during the filling process and connected, for example, to appropriate supply and discharge for carbon dioxide of a supply network at the site.
- the supply unit can be moved during a break in operation and for this purpose can be equipped with suitable transport devices, such as wheels.
- Both the suction line and the carbon dioxide liquid supply line are preferably made of a flexible material and have a length of 1 m to 3 m or more to give an operator a great freedom of movement when connecting the refrigerant receiving compartment of a mobile cooling tank of the above
- the filling gun with a
- the refrigerant storage compartment includes a equipped with at least one filling opening snow receiving compartment and a preferably above the snow receiving compartment arranged gas exhaust pocket, which is equipped with a gas exhaust port.
- Gas extraction compartment are separated by a gas-permeable filter.
- the expansion nozzle When connecting the filling gun, the expansion nozzle is inserted into the filling port (s) of the refrigerant receiving compartment, and the exhaust port covers the
- Gas exhaust opening of the gas extraction compartment In order to avoid the ingress of ambient air, while the filling opening and / or gas outlet opening of the refrigerant receiving compartment and / or expansion nozzle and / or exhaust port of
- the carbon dioxide is in the at least predominantly liquid state at a pressure above the
- the vacuum generated by the suction device is dimensioned so that the
- the filling gun is pressed under the effect of the ambient pressure to the refrigerant receiving compartment, wherein by means of the sealing elements, a gas-tight connection is produced, which prevents the escape of carbon dioxide into the environment.
- the carbon dioxide liquid feed is preferably flooded before and after the filling with carbon dioxide gas, which is supplied under a pressure above the triple point pressure of carbon dioxide.
- the carbon dioxide liquid feed line is pressurized for from 0.5 to 1 second for a period of time of from 0.5 to 1 second and for stopping the supply of liquid carbon dioxide for a period of from 0.5 to 3 seconds
- the required carbon dioxide gas is Expediently obtained in the supply unit by evaporation of liquid carbon dioxide.
- control unit arranged in the supply unit is equipped with a photoelectric unit for detecting the existence of a secure connection which is connected to optical waveguides in the filling gun.
- the photoelectric unit transmits and receives optical signals via the optical waveguides to and from a reflector arranged on the refrigerant receiving compartment. Electrical components within the filling gun are not required.
- a fixed, but detachable connection between filling gun and refrigerant receiving compartment is in the simplest case produced by the suction power of the suction device is adjusted so that the filling gun is pressed under the action of the suction force to the refrigerant receiving compartment.
- the filling gun and / or the refrigerant receiving compartment it is advantageous for the filling gun and / or the refrigerant receiving compartment to have at least one permanent magnet
- the carbon dioxide liquid supply is at least
- Suction line is sucked.
- carbon dioxide liquid supply requires no thermal insulation, whereby the carbon dioxide liquid feed line can be made easier and more flexible, which Overall, the handling of the filling gun easier.
- the liquid carbon dioxide can also be brought to a temperature below its boiling point in a supercooler optionally provided in the supply device, in order to increase the yield of carbon dioxide snow.
- the suction line and / or the carbon dioxide liquid line and / or the optical waveguide or are preferably made of a flexible material.
- the suction line and / or carbon dioxide liquid line and / or optical waveguide is / are preferably articulated with the filling gun and / or the supply unit in a pivotable or pivotable manner
- Connecting means such as rotary flanges, attached.
- the supply device with a gun receptacle for
- the gun holder preferably comprises
- the filling gun is preferably held by suitable mechanical holding means or by the suction power of the suction device on the gun holder.
- the gun holder is advantageously equipped with a heater by means of which the filling gun heated after a filling process and thereby the formation of water ice can be prevented.
- a likewise preferred embodiment of the invention provides that a phase detector integrated in the carbon dioxide liquid feed line and data-connected to the control unit is provided in the supply device.
- Phase detector makes it possible to determine the proportion of gaseous carbon dioxide in the supplied liquid carbon dioxide. From this, the total amount of the total carbon dioxide supplied is continuously calculated in a control and monitoring unit, and the filling procedure can accordingly be adapted automatically and the control valve can be controlled accordingly.
- An example of such a phase detector is described in EP 2 368 845 B1, to which reference is expressly made.
- the filling gun is preferably designed such that the expansion nozzle and / or the detector means is / are arranged within the suction opening.
- the suction device is designed as a hood equipped with flexible sealing elements, which in use of the filling gun on the
- Refrigerant receiving compartment is pressed, that it covers both the filling opening and the gas outlet opening of the refrigerant receiving compartment, while at the same time the projecting inside the hood expansion nozzle gas-tight with the
- a preferred expansion nozzle is equipped with two nozzle orifices, which emerge from a substantially cylindrically shaped nozzle head of the expansion nozzle in opposite directions and transversely to the longitudinal extent of the nozzle head.
- Equipped nozzle heads which protrude during filling into the interior of the refrigerant receiving compartment and each having at least one nozzle opening, wherein the nozzle openings of the two nozzle heads are directed toward each other, or by a respective same angle by up to 30 ° from the line connecting the both nozzle openings are arranged inclined in the direction of the rear region. This arrangement contributes in particular to a homogeneous
- the nozzle heads are preferably arranged at a distance of between 5 cm and 10 cm from one another at the expansion nozzle.
- the refrigerant receiving compartment is preferably with two separate
- the nozzle heads may also be closer than 5 cm apart, for example 1 cm to 3 cm, so both Nozzle heads can be introduced through a common filling opening in the refrigerant receiving compartment.
- the suction device is designed so that during operation of the filling device, a negative pressure in the region of the refrigerant receiving compartment can be produced, which is sufficient to keep the filling gun on the refrigerant on mefach up.
- the cooling container can also have a refrigerant receiving compartment, which is subdivided into at least two separate compartments which each have thermal bridges with different thermal resistance
- Product receiving compartment of the cooling tank are connected.
- one of the compartments has a very good heat conduction
- the other part compartment on the other hand, a poorer heat conduction to the product receiving compartment. If only the partial compartment with the good heat conduction is filled with carbon dioxide, the products are cooled to a lower temperature for a shorter time. If, on the other hand, the partial compartment is filled with the poorer heat conduction, the products are cooled to a less low temperature, which, however, lasts for a longer period of time.
- the individual part compartments each have separate filling openings and
- FIG. 1 shows a device according to the invention with filling gun and supply unit
- FIG. 2 shows a cooling container with a refrigerant receiving compartment to be filled with the filling gun of FIG. 1 in a laterally cutaway view, FIG.
- the filling device 1 shown in Fig. 1 comprises a filling gun 2 described in more detail below, which is connected to a supply unit 3.
- the supply unit 3 is formed in the embodiment shown as a mobile cabinet and has a fixed housing 4.
- a flameproof and thermally insulated supply line 5 for liquid carbon dioxide which is connected to a source of liquid carbon dioxide, not shown here, for example, a tank in which the liquid Carbon dioxide is stored at a pressure of 20 bar and a temperature of about minus 20 ° C is passed through the housing 4 of the supply unit 3 and opens at a multiple connection 6. Upstream to
- an electrically controllable control valve 7 is disposed within the housing 4.
- a phase detector 8 is further provided which detects the proportions of gas phase and liquid phase of the flowing through the supply line 5 carbon dioxide.
- a device for phase separation can furthermore be provided in the feed line 5, which ensures that the carbon dioxide fed to the multiple connection 6 contains the largest possible proportion of the liquid phase.
- Carbon dioxide in which an electric suction pump 10 is arranged.
- Discharge 9 is connected in a manner not shown here, either with a device for reprocessing or with a leading to the outside exhaust duct. Discharge 9 and supply line 5 may be thermally connected to each other via a heat exchanger, not shown here, by means of which guided through the supply line 5 liquid carbon dioxide with the guided through the discharge line 9
- Carbon dioxide gas can be pre-cooled.
- a branch line 1 1 in which an evaporator 12 for evaporating liquid carbon dioxide and a control valve 13 is arranged.
- Branch line 1 1, evaporator 12 and control valve 13 are disposed within the housing 4 of the supply unit 3.
- a gun holder 14 is further arranged, in which the filling gun 2 in a resting phase before or after a
- an electric heater 15 is provided for heating the inserted filling gun 2.
- a photoelectric unit 1 6 is provided within the housing 4, which is connected via two optical waveguides 17 (only one of which is shown here) to an optical connection on the multiple connection 6.
- the photoelectric unit 1 6 is integrated in a control and monitoring unit 18, with which also the control valves 7, 13, the phase detector 8, the suction pump 10, the heaters 15 and the evaporator 12 are in data communication.
- Control unit 18 serves to control the filling process in the manner described in more detail below.
- the supply unit is equipped with wheels 19, which are intended to facilitate transport of the supply unit 3 within the site;
- the supply unit 3 is fixed and is basically not moved during a filling operation.
- the supply unit can also be fixed on
- the filling gun 2 explained in more detail with reference to FIGS. 2 and 3 serves for filling a refrigerant receiving compartment 20 of a cooling container 21 (only partially shown in FIG. 3).
- Cooling container 21 includes a fragmentary shown here
- Front is on Cooling container 21, a door opening 25 is provided, which provides access to the
- Product receptacle 23 and the refrigerant receiving compartment 20 allows and can be closed with a door, not shown here.
- the refrigerant receiving compartment 20 has on its front side 26 two each equipped with a sealing ring 27 filling openings 28, 29 for liquid carbon dioxide and a gas outlet opening 30 for gaseous carbon dioxide.
- the filling openings 28, 29 at a distance of 5 to 10 cm are arranged horizontally next to each other.
- the gas outlet opening 30 is arranged above the filling openings 28, 29, for example 1 to 4 cm vertically spaced therefrom.
- a (lower) snow holding compartment 31 and a (upper) gas extraction compartment 32 extend, which are separated from each other by a gas-permeable filter 33 such that the
- Gas outlet opening 30 into the gas outlet compartment 32 and the filling openings 28, 29 opens into the snow receiving compartment 31.
- the filter 33 preferably extends over the entire width of the refrigerant receiving compartment 20 in order to operate in the
- Reflectors 34, 35 are, for example, a surface colored in a specific color. Also in the vicinity of the openings 28, 29 - in the embodiment below the filling openings 28 - a ferromagnetic element, for example, an iron sheet 36 is arranged.
- the filling gun 2 comprises a housing 37 made of a light but
- the low temperature resistant material such as plastic, a light metal or a composite material having a mouth opening 38 and a connection opening 39.
- the with a circumferential sealing element 40, for example, a sealing lip made of a flexible, but low-temperature resistant material, equipped mouth opening 38 is dimensioned so that when connecting the filling gun 2 to the refrigerant receiving compartment 23, both the filling openings 28, 29 and the gas outlet opening 29 of Refrigerant receiving compartment 20 covered.
- the connection opening 39 of the housing 37 serves for gas-tight connection of a flexible gas discharge line 41, which is, for example, a corrugated hose from a low temperature resistant material.
- a handle 42 is arranged on the housing 37.
- the filling gun 2 further includes a relaxation nozzle 45 for supplying liquid carbon dioxide.
- the expansion nozzle 45 is equipped with two nozzle heads 46, 47, of a T-shaped extending front portion 48 of
- Relaxation nozzle 45 project parallel to each other with a distance from each other, which corresponds to the distance between the two filling openings 28, 29. This distance is for example between 1 cm and 10 cm.
- the nozzle heads 46, 47 are each equipped in the embodiment with a nozzle opening 49, 50 which are inclined at an angle of up to 30 ° relative to the connecting axis of the two nozzle openings 49, 50 in the direction of the front portion 48.
- the nozzle openings 49, 50 directly to each other. at
- the filler heads 2, 4 are inserted into the filling openings 28, 29, respectively, and are located inside the filling nozzle 2
- Snow receiving compartment 31 such that the nozzle openings 49, 50 are each spaced by 5 cm to 10 cm from the inner wall of the front side 26.
- Relaxation nozzle 45 connected to a flexible and pressure-resistant carbon dioxide liquid feed line 53.
- the carbon dioxide liquid feed 53 is within the
- Gas extraction line 41 is received and provides the multiple connection 6 a
- the multiple connection 6 comprises, for example, a connecting piece to which the gas discharge line 41 is firmly but detachably connected.
- a connected to the supply line 5 C0 2 liquid connection is arranged, on which the
- Carbon dioxide liquid supply fixed, but is also releasably attached.
- the filling gun 2 is equipped with one or more, in the embodiment with two, optical waveguides 54, 55, which terminate within the mouth opening 38 of the housing 37, each with a conductor head 56, 57.
- the optical waveguides 54, 55 are passed through the housing 37 and the gas discharge line 41 and optically connected to a connection terminal arranged in the multiple connection 6 with one of the optical waveguides 17.
- the optical waveguides 54, 55,17 are constructed in a conventional manner and each have an optical fiber for emitted light and a light waveguide for reflected light, wherein the respective light-emitting and light-receiving units in the photoelectric unit 1 6 are arranged.
- a permanent magnet 58 is so on the housing 37 within the
- Mouth opening 27 mounted to cooperate with the iron sheet 36 when placing the filling gun on the refrigerant receiving compartment 20.
- the device 1 has two modes of operation, a sleep mode and a fill mode.
- a sleep mode the filling gun 2 is received in the gun holder 14 of the supply unit 3, wherein the sealing element 40 produces at least a substantial degree of air seal.
- the control valves 7, 13 are closed.
- the suction pump 10 ensures a controlled by the control and monitoring unit 18, moderate negative pressure, on the one hand sufficient to the filling gun 2 in the
- a ferromagnetic element (not shown here) can also be arranged within the gun receptacle 14, which cooperates with the permanent magnet 58 when the filling gun 2 is inserted. If the expansion nozzle 45 has a low temperature as a result of a previous use, it is heated by means of the heating device 15 in order to prevent the accumulation of moisture on the surface of the expansion nozzle 45.
- the filling gun 2 is first removed from the gun holder 14 before filling a refrigerant receiving compartment 20 and so on the
- Front side 26 of the refrigerant receiving compartment 20 placed on the nozzle heads 46, 47 are inserted into the respective filling openings 28, 29 and the
- the sealing element 40 ensures an at least substantially gas-tight connection between the filling gun 2 and the front side 26 of the refrigerant receiving compartment 20.
- the optical waveguide 55 is used to detect the respective type of the refrigerant accommodating compartment 20.
- the reflector 35 is designed specifically for a specific type of refrigerant storage compartments 20 and has type-specific reflection properties, which result in accordance with different, transmitted to the control and monitoring unit 18 reflection signals.
- control unit 18 determines the type of the refrigerant receiving compartment and initiates a filling procedure corresponding to the type of the refrigerant receiving compartment 20.
- the filling process is started due to a command entered manually into the control and monitoring unit 18.
- the carbon dioxide liquid feed line 52 is flooded with gaseous carbon dioxide by the control valve 13 is opened and the evaporator 12 is set in motion.
- liquid carbon dioxide is evaporated from the supply line 5 in the evaporator 12 and flows into the carbon dioxide liquid supply line 52.
- the flooding is used in the
- Carbon dioxide liquid feed line 52 to generate a pressure above the triple point pressure of 5.18 bar to prevent liquid carbon dioxide at the entrance to the carbon dioxide liquid feed line 52 relaxed and thereby generated
- control valve 13 is closed and the evaporator 12 is turned off. Then, the control valve 7 is opened, and liquid carbon dioxide flows at a pressure of, for example, 10 bar to 20 bar via the supply line 5 and the carbon dioxide liquid supply line 52 to the expansion nozzle 45, where it enters the nozzle receiving openings 49, 50 in the snow receiving compartment 31.
- the control and monitoring unit 18 regulates in particular the supply of liquid carbon dioxide as a function of a detected at the phase detector 8
- the liquid carbon dioxide relaxes and passes into a mixture of carbon dioxide snow and carbon dioxide gas.
- gas-permeable filter 33 passes into the gas exhaust pocket 32 and is withdrawn by means of the suction pump 10 via the gas discharge line 41 and the discharge line 9.
- the arrangement of the carbon dioxide liquid feed line 52 within the gas discharge line 41 serves to pre-cool the liquid carbon dioxide and thus to increase the efficiency of the filling process.
- the Nozzle heads 46, 47 could push out of the respective filling opening 28, 29.
- the oppositely directed flows of the nozzle openings 49 and 50th Exiting carbon dioxide collide and thus provide a turbulent flow within the snow receiving compartment 31, which contributes to a uniform distribution of the generated carbon dioxide snow in the snow receiving compartment 31.
- the filling gun 2 has in its interior no electrical components and in particular by a low weight, for example, less than 1 kg. Due to the low weight ranging from the suction pump 10 in
- Refrigerant receiving compartment 20 generated negative pressure usually to the
- the easy construction of the filling gun 2 also allows the waiver of complex crane arrangements for holding the filling gun during the filling procedure.
- the filling gun 2 is manually moved and operated by an operator on the handle 42. Due to the manual operation, the flexible parts of the
- Optical fiber 54, 55 sometimes subjected to heavy use by bending and twisting. To minimize this strain and the
- the gas discharge line 41, the carbon dioxide liquid supply line 52 and the optical waveguides 54, 55 on the multiple connection 6 and / or in the region of the connection opening 39 are each rotated with respect to the multiple connection 6 or the filling gun 2. or pivotally mounted connection part (not shown here) equipped.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Basic Packing Technique (AREA)
- Nozzles (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102015009645.1A DE102015009645B4 (de) | 2015-07-24 | 2015-07-24 | Füllvorrichtung zum Befüllen eines einem Kühlbehälter zugeordneten Kältemittel-Aufnahmefachs mit einem kryogenen Kältemittel |
PCT/EP2016/067494 WO2017016999A1 (de) | 2015-07-24 | 2016-07-22 | Füllvorrichtung zum befüllen eines einem kühlbehälter zugeordneten kältemittel-aufnahmefachs mit einem kryogenen kältemittel |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3325900A1 true EP3325900A1 (de) | 2018-05-30 |
EP3325900B1 EP3325900B1 (de) | 2020-09-09 |
Family
ID=56507603
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16741631.2A Active EP3325900B1 (de) | 2015-07-24 | 2016-07-22 | Füllvorrichtung zum befüllen eines einem kühlbehälter zugeordneten kältemittel-aufnahmefachs mit einem kryogenen kältemittel |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP3325900B1 (de) |
CN (1) | CN107923687B (de) |
DE (1) | DE102015009645B4 (de) |
WO (1) | WO2017016999A1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3079742B1 (fr) | 2018-04-06 | 2023-01-13 | Keranova | Appareil de traitement d’un tissu incluant des systemes optiques originaux de deviation et de focalisation d’un faisceau l.a.s.e.r. |
DE102019005745A1 (de) * | 2019-08-16 | 2021-02-18 | Messer Group Gmbh | Vorrichtung und Verfahren zum Dosieren von Kohlendioxidschnee |
DE102020002206A1 (de) * | 2020-04-08 | 2021-10-14 | Messer France S.A.S. | Vorrichtung zum Erzeugen und Speichern von Kohlendioxidschnee |
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GB775371A (en) * | 1953-07-20 | 1957-05-22 | Herbert William Brock | An improved method of and means for, coating plastic materials |
US4640460A (en) * | 1985-02-19 | 1987-02-03 | Franklin Jr Paul R | CO2 snow forming header with triple point feature |
GB8815584D0 (en) * | 1988-06-30 | 1988-08-03 | Analytical Instr Ltd | Fleet data monitoring system |
DK0634111T3 (da) * | 1993-07-12 | 1997-07-21 | Nestle Sa | Flerlagslevnedsmiddel samt fremgangsmåde og apparat til dets fremstilling |
US6761043B1 (en) | 1997-06-16 | 2004-07-13 | Lev Reznikov | Apparatus for cooling food products |
DE19808267A1 (de) | 1998-02-27 | 1999-09-02 | Messer France Sa | Befüll- und Entnahmemodul für ein Kühlmodul und Verfahren zum Befüllen eines Kühlmoduls |
FR2776056B1 (fr) | 1998-03-10 | 2000-05-26 | Olivo | Dispositif brise-jet pour compartiment cryogenique de conteneur isothermique |
MXPA04003411A (es) * | 2004-04-07 | 2005-10-11 | Mabe De Mexico S De R L De C V | Dispositivo para la fabricacion de hielos en gabinetes refrigerados. |
DE102005033854B4 (de) | 2005-07-12 | 2007-06-14 | Siemens Ag | Anordnung mit einem Tankeinlass und einer Tankbefülleinrichtung und Verfahren zu deren Betrieb |
FR2891354B1 (fr) | 2005-09-28 | 2007-11-16 | Air Liquide | Receptacle de neige carbonique a double compartiment pour conteneurs isothermes |
FR2891899B1 (fr) | 2005-10-12 | 2007-11-30 | Air Liquide | Systeme d'injection de neige carbonique dans des conteneurs isothermes et conteneurs associes |
SE0600764L (sv) * | 2006-04-03 | 2007-10-04 | Ecolean Res & Dev As | Anordning och metod för fyllning av en förpackning |
KR100751041B1 (ko) * | 2006-09-08 | 2007-08-21 | 주식회사 케이씨텍 | 휴대용 건식세정장치 |
KR100780520B1 (ko) * | 2007-04-02 | 2007-11-30 | 최동호 | 냉동 차량용 드라이아이스 분말 분사 시스템 및 상기 냉동차량용 드라이아이스 분말 분사 시스템이 설치된 냉동차량 |
SI2336684T1 (sl) | 2009-12-21 | 2013-07-31 | Messer France S.A.S. | Polnilna naprava za polnjenje prekata posode s hladilnim sredstvom, pritrjenega na posodo s hladilnim sredstvom s kriogenskim hladilnim sredstvom |
PT2368845E (pt) | 2010-03-01 | 2013-03-18 | Messer France Sas | Dispositivo e processo para a produção de neve carbónica |
DE102010013056B4 (de) * | 2010-03-26 | 2018-05-09 | Tkt Gassysteme Gmbh | Verfahren und Vorrichtung zum Befüllen einer Kühlzelle eines Isolierbehälters mit einem Kühlmedium |
BE1020015A5 (nl) | 2011-02-09 | 2013-03-05 | Acp Belgium N V | Systeem voor het inbrengen van koelmiddel in een container. |
DE102012006478A1 (de) | 2012-03-29 | 2013-10-02 | Linde Aktiengesellschaft | Kühlmittelbehälter, Vorrichtung und Verfahren zur Temperaturhaltung |
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- 2016-07-22 WO PCT/EP2016/067494 patent/WO2017016999A1/de unknown
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DE102015009645A1 (de) | 2017-01-26 |
CN107923687B (zh) | 2020-08-18 |
CN107923687A (zh) | 2018-04-17 |
EP3325900B1 (de) | 2020-09-09 |
WO2017016999A1 (de) | 2017-02-02 |
DE102015009645B4 (de) | 2020-01-16 |
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