CN217822895U - Multifunctional supply station of electric cold chain transport vehicle - Google Patents
Multifunctional supply station of electric cold chain transport vehicle Download PDFInfo
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- CN217822895U CN217822895U CN202221927638.6U CN202221927638U CN217822895U CN 217822895 U CN217822895 U CN 217822895U CN 202221927638 U CN202221927638 U CN 202221927638U CN 217822895 U CN217822895 U CN 217822895U
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Abstract
The application discloses multi-functional supply station of electronic cold chain transport vechicle includes: the hydrogen and the carbon dioxide prepared by the formic acid hydrogen production device are separated by the gas separation device, the hydrogen enters the anode of the fuel cell, and the hydrogen and the oxygen at the cathode of the fuel cell generate electrochemical reaction in the fuel cell to generate electric energy; the energy storage battery is electrically connected with the fuel cell and is used for storing the electric energy generated by the fuel cell; the energy storage battery is connected with a charging pile for charging the vehicle; the dry ice manufacturing device comprises a liquefying device which is communicated with a carbon dioxide outlet and is used for liquefying gaseous carbon dioxide into liquid carbon dioxide, a solidification compression device which solidifies the liquefied liquid carbon dioxide into dry ice, and a dry ice storage tank which is communicated with the outlet of the solidification compression device. The multifunctional supply station of the electric cold chain transport vehicle can supplement electric energy for the electric cold chain transport vehicle and dry ice, and one-stop supplement is realized.
Description
Technical Field
The application relates to the technical field of supply stations, in particular to a multifunctional supply station of an electric cold chain transport vehicle.
Background
In the cold chain transportation industry, dry ice is used as a cooling medium and is particularly important for cold chain transportation. Dry ice is a consumable and needs to be replenished in time during cold chain transportation.
For an electric cold chain transport vehicle, during long-distance cold chain transport, electric energy and dry ice need to be supplemented on the way, but at present, dry ice manufacturers are concentrated and a supplementing point is not arranged on a long-distance transport route, so that the consumed dry ice cannot be effectively and rapidly supplemented. When the electric cold chain transport vehicle has a dry ice replenishment demand, if the dry ice manufacturer in the process of transport is replenished in a special trip, the problem of vehicle charging needs to be considered at the same time.
Therefore, a multifunctional supply station which can simultaneously supply electric energy and dry ice to the electric cold chain transport vehicle needs to be designed.
SUMMERY OF THE UTILITY MODEL
Therefore, the technical problem to be solved by the application is to overcome the defect that the supply station in the prior art cannot realize one-stop charging and dry ice supply, and thus a multifunctional supply station of an electric cold chain transport vehicle is provided.
In order to solve the technical problem, the technical scheme of the application is as follows:
a multi-functional replenishment station for an electric cold chain transport vehicle, comprising:
the formic acid hydrogen production device comprises a formic acid storage tank, a formic acid hydrogen production reactor and a sample pump connected between the formic acid storage tank and the formic acid hydrogen production reactor, wherein the sample pump pumps formic acid from the formic acid storage tank into the formic acid hydrogen production reactor, and the formic acid hydrogen production reactor is used for decomposing formic acid to generate hydrogen and carbon dioxide;
the gas separation device is communicated with the formic acid hydrogenation reactor and is used for separating hydrogen and carbon dioxide generated in the formic acid hydrogenation reactor, and the gas separation device is provided with a hydrogen outlet and a carbon dioxide outlet;
a fuel cell having an anode in communication with the hydrogen outlet, the hydrogen being electrochemically reacted therein with oxygen at a cathode of the fuel cell to produce electrical energy;
the energy storage battery is connected with the fuel cell and is used for storing the electric energy generated by the fuel cell; the energy storage battery is connected with a charging pile for charging the vehicle;
the dry ice manufacturing device comprises a liquefying device which is communicated with the carbon dioxide outlet and is used for liquefying gaseous carbon dioxide into liquid carbon dioxide, a solidifying and compressing device which solidifies the liquefied liquid carbon dioxide into dry ice, and a dry ice storage tank which is communicated with the outlet of the solidifying and compressing device.
Further, a dry ice filter is arranged between the solidification compression device and the dry ice storage tank, and the dry ice filter is suitable for separating liquid carbon dioxide and dry ice.
Further, a carbon dioxide storage tank is communicated between a carbon dioxide outlet of the gas separation device and the liquefaction device; the carbon dioxide storage tank is communicated with the liquid carbon dioxide outlet of the dry ice filter.
Further, the electric energy output end of the fuel cell is electrically connected with the dry ice manufacturing device and provides electric energy for the dry ice manufacturing device.
Further, the electric energy output end of the fuel cell is electrically connected with the hydrogen formate production device and provides electric energy for the hydrogen formate production device.
Further, the temperature in the formic acid hydrogen production reactor is between 25 and 150 ℃, and the pressure in the formic acid hydrogen production reactor is between 0.1 and 1 MPa.
Further, the fuel cell is communicated with an air compressor and an exhaust device, and the air compressor is suitable for providing air for the cathode of the fuel cell; the exhaust means is adapted to exhaust moisture within the fuel cell.
Further, a charging controller is electrically connected between the fuel cell and the energy storage cell.
Further, the charging pile comprises a direct current charging pile and an alternating current charging pile, a DC/AC converter is electrically connected between the energy storage battery and the alternating current charging pile, and a DC/DC converter is electrically connected between the energy storage battery and the direct current charging pile.
Further, the gas separation device is a gas separation membrane.
The technical scheme of the application has the following advantages:
1. the utility model provides a multi-functional supply station of electronic cold chain transport vechicle, because the gas separation device can separate hydrogen and carbon dioxide that formic acid hydrogenation ware produced, carbon dioxide can not get into fuel cell, can avoid the problem that the fuel cell life that the carbon dioxide got into fuel cell and arouses shortens, still can avoid the problem that the open circuit voltage that leads to because of carbon dioxide gets into fuel cell diminishes, in addition, the dry ice manufacturing installation that sets up in multi-functional supply station of electronic cold chain transport vechicle, can make the dry ice with the carbon dioxide that the gas separation device separates out, it uses to supply electronic cold chain transport vechicle to supply the dry ice, and hydrogen and fuel cell cathode department oxygen produce the electrochemistry and respond, the electric energy that produces can supply the electric energy for electronic cold chain transport vechicle after the storage of energy storage battery. That is, the multi-functional supply station of electronic cold chain transport vechicle both can supply the electric energy for electronic cold chain transport vechicle, can supply the dry ice for electronic cold chain transport vechicle again, realizes the one-stop replenishment of electric energy and dry ice.
2. The application provides a multi-functional supply station of electronic cold chain transport vechicle, fuel cell's electric energy output end and dry ice manufacturing installation electricity are connected to for dry ice manufacturing installation provides the electric energy, fuel cell's electric energy output end still is connected with formic acid hydrogen plant electricity, and provides the electric energy for formic acid hydrogen plant. The design of providing the electric energy for the formic acid hydrogen production device and the dry ice manufacturing device by the electric energy output end of the fuel cell is particularly important for areas with insufficient electric power or areas with unstable electric power, because the electric energy generated by the fuel cell can supplement the electric energy required by the formic acid hydrogen production device and the dry ice manufacturing device during the period of power interruption, the situation that the multifunctional supply station of the electric cold chain transport vehicle cannot work due to power interruption is avoided, in addition, for remote areas needing to be provided with the multifunctional supply station of the electric cold chain transport vehicle, the number of passing electric vehicles is small, the electric energy is easy to be rich, the electric energy output end of the fuel cell is used for providing the electric energy for the formic acid hydrogen production device and the dry ice manufacturing device, and the hydrogen production device is also fully utilized for the rich electric energy.
3. The application provides a multi-functional supply station of electronic cold chain transport vechicle is provided with charge controller between fuel cell and energy storage battery, and in the energy storage battery charging process, when the circumstances such as charging voltage or charging current are too big, energy storage battery high temperature, energy storage battery saturation that charges appear, charge controller can cut off charging current to guarantee energy storage battery's safety.
Drawings
In order to more clearly illustrate the detailed description of the present application or the technical solutions in the prior art, the drawings used in the detailed description or the prior art description will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural view of a multifunctional supply station of the electric cold chain transport vehicle.
Description of reference numerals:
1. a formic acid hydrogen production device; 11. a formic acid storage tank; 12. a sample injection pump; 13. a formic acid hydrogen production reactor; 2. A gas separation device; 3. a fuel cell; 4. an energy storage battery; 5. a charge controller; 6. an AC charging pile; 61. a DC/AC converter; 7. a direct current charging pile; 71. a DC/DC converter; 8. a dry ice manufacturing device; 81. A carbon dioxide storage tank; 82. a liquefaction plant; 83. curing the compression device; 84. a dry ice filter; 85. A dry ice storage tank.
Detailed Description
The technical solutions of the present application will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are only some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort belong to the protection scope of the present application.
In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
In addition, the technical features mentioned in the different embodiments of the present application described below may be combined with each other as long as they do not conflict with each other.
Examples
As shown in fig. 1, the present embodiment provides a multifunctional supply station for an electric cold chain transport vehicle, which includes a formic acid hydrogen production apparatus 1, a gas separation apparatus 2, a fuel cell 3, an energy storage cell 4, and a dry ice production apparatus 8.
The formic acid hydrogen production device 1 comprises a formic acid storage tank 11, a formic acid hydrogen production reactor 13 and a sample pump 12 connected between the formic acid storage tank 11 and the formic acid hydrogen production reactor 13, wherein the sample pump 12 pumps formic acid from the formic acid storage tank 11 into the formic acid hydrogen production reactor 13, and the formic acid hydrogen production reactor 13 is used for decomposing formic acid to generate hydrogen and carbon dioxide. Specifically, the temperature in the formic acid hydrogen production reactor 13 is between 25 and 150 ℃, and the pressure in the formic acid hydrogen production reactor 13 isBetween 0.1 and 1Mpa, after formic acid enters the formic acid hydrogen production reactor 13, the following chemical reactions occur under certain temperature and pressure conditions through the action of a catalyst: CHCOOH = H 2 +CO 2 Hydrogen and carbon dioxide are generated.
The gas separation device 2 is communicated with the formic acid hydrogen production reactor 13, the gas separation device 2 is provided with a hydrogen outlet and a carbon dioxide outlet, after the hydrogen and the carbon dioxide generated by the formic acid hydrogen production reactor 13 are separated by the gas separation device 2, the hydrogen flows out from the hydrogen outlet of the gas separation device 2 and enters the fuel cell 3, and the carbon dioxide flows out from the carbon dioxide outlet of the gas separation device 2 and enters the dry ice manufacturing device 8. Specifically, the gas separation device 2 is a gas separation membrane, but of course, the gas separation device may be a pressure swing adsorption tower through which carbon dioxide and hydrogen are separated.
The fuel cell 3 includes an anode and a cathode, the anode of which is communicated with the hydrogen outlet, the hydrogen flowing out from the hydrogen outlet of the gas separation device 2 enters the fuel cell 3 and reaches the anode of the fuel cell 3, and the hydrogen and the oxygen at the cathode of the fuel cell 3 electrochemically react inside the fuel cell 3 to generate electric energy. Specifically, the oxygen at the cathode of the fuel cell 3 is derived from air supplied from an air compressor (not shown) to the cathode of the fuel cell 3.
The energy storage battery 4 is electrically connected with the fuel cell 3 and is used for storing the electric energy generated by the fuel cell 3; the energy storage battery 4 is connected with a charging pile for charging the vehicle.
The dry ice manufacturing device 8 includes a liquefying device 82 communicating with the carbon dioxide outlet of the gas separating device 2 and configured to liquefy gaseous carbon dioxide into liquid carbon dioxide, a solidification compressing device 83 solidifying the liquefied liquid carbon dioxide into dry ice, and a dry ice storage tank 85 communicating with the outlet of the solidification compressing device 83.
The dry ice manufacturing installation 8 that sets up in the multi-functional supply station of electronic cold chain transport vechicle can make the carbon dioxide that gas separation device 2 separated into the dry ice, and the power supply cold chain transport vechicle supplyes the dry ice usefulness, and the electric energy that the fuel cell 3 that sets up in the multi-functional supply station of electronic cold chain transport vechicle produced can supply the electric energy for electronic cold chain transport vechicle after energy storage battery 4 storage. That is, the multi-functional supply station of electronic cold chain transport vechicle that this embodiment provided both can supply the electric energy for electronic cold chain transport vechicle, can supply the dry ice for electronic cold chain transport vechicle again, realizes the one-stop formula of electric energy and dry ice and supplyes.
The advantages of the one-stop supplement of electric energy and dry ice were further analyzed as follows: dry ice is a dangerous product, a manufacturing plant is usually in a remote place, and charging piles are different, and with the vigorous development of the electric vehicle industry, more charging piles are arranged in towns. Thus, after the electric cold chain transport vehicle is charged, the vehicle needs to travel to a remote place to be supplemented with the dry ice, and electric energy is wasted during the travel from the charging station to the dry ice supplementing station. Particularly, in remote areas, due to the fact that the land is wide and rare, the number of running vehicles is small, an electric power transmission line is erected to connect electric energy from a remote place so as to build a special charging station, obviously, the cost is very high, correspondingly, in the remote areas, the number of dry ice manufacturing enterprises is small, the distance between the dry ice manufacturing enterprises is long, when the charging station is used for supplementing the electric energy, the dry ice is supplemented to the dry ice supplementing station, or the dry ice is supplemented to the charging station from the dry ice supplementing station, any process of the processes is relatively long in the running distance in cities and towns, and the consumption of the electric energy or the dry ice is more obvious. Under the background, hydrogen is prepared by the formic acid hydrogen preparation reactor 13, and then the electric energy generated by electrochemical reaction with oxygen in the fuel cell 3 is used for supplementing the electric energy for the electric cold chain transport vehicle, and simultaneously, carbon dioxide generated by formic acid hydrogen preparation is prepared into dry ice by the dry ice preparation device 8 to supplement the dry ice for the electric cold chain transport vehicle. Furthermore, the amount of hydrogen and carbon dioxide in the process of producing hydrogen by decomposition of formic acid is almost 1:1, if carbon dioxide is not added for utilization, the carbon emission exceeds the standard.
For the condition that no external power supplies initial starting electric energy for the multifunctional supply station of the electric cold chain transport vehicle, the energy storage battery 4 can be charged when the electric cold chain transport vehicle leaves a factory, the formic acid hydrogen production device 1 and the dry ice manufacturing device 8 of the multifunctional supply station of the electric cold chain transport vehicle are started to work by using the electric energy charged in the energy storage battery 4, and after the fuel cell 3 generates stable electricity, the electric energy output end of the fuel cell 3 can directly supply electric energy for the formic acid hydrogen production device 1 and the dry ice manufacturing device 8.
It should be added that, because the gas separation device 2 is arranged in the multifunctional supply station of the electric cold chain transport vehicle, the hydrogen and the carbon dioxide generated by the formic acid hydrogenation reactor 13 can be separated, the carbon dioxide cannot enter the fuel cell 3, the problem that the service life of the fuel cell 3 is shortened due to the fact that the carbon dioxide enters the fuel cell 3 can be avoided, and the problem that the open-circuit voltage is reduced due to the fact that the carbon dioxide enters the fuel cell 3 can also be avoided.
The dry ice manufacturing apparatus 8 further includes a dry ice filter 84 disposed between the solidification compression device 83 and the dry ice storage tank 85 to separate liquid carbon dioxide from the dry ice, and in order to prevent the separated liquid carbon dioxide from being wasted or causing excessive carbon emission, the liquid carbon dioxide flows out from a liquid carbon dioxide outlet of the dry ice filter 84 and enters the carbon dioxide storage tank 81 between a carbon dioxide outlet of the gas separation device 2 and the liquefaction device 82, and then enters the liquefaction device 82 to be liquefied and enters the solidification compression device 83 to be solidified, in short, the carbon dioxide is not discharged into the air.
Besides being electrically connected with the energy storage battery 4 to store electric energy and provide electric energy for the electric cold chain transport vehicle, the electric energy output end of the fuel cell 3 can also be electrically connected with the dry ice manufacturing device 8 to provide electric energy for the dry ice manufacturing device 8, and the electric energy output end of the fuel cell 3 can also be electrically connected with the formic acid hydrogen production device 1 to provide electric energy for the formic acid hydrogen production device 1. The design of providing the electric energy for the hydrogen formate production device 1 and the dry ice production device 8 by the electric energy output end of the fuel cell 3 is particularly important for areas with insufficient electric power or areas with unstable electric power, because the electric energy generated by the fuel cell 3 can supplement the electric energy required by the hydrogen formate production device 1 and the dry ice production device 8 during the period of electric power interruption, the situation that the multifunctional supply station of the electric cold chain transport vehicle cannot work due to the electric power interruption is avoided, in addition, for remote areas needing to be provided with the multifunctional supply station of the electric cold chain transport vehicle, the number of the electric cold chain transport vehicles passing through is small, the electric energy is rich, the electric energy output end of the fuel cell 3 is used for providing the electric energy for the hydrogen formate production device 1 and the dry ice production device 8, and the full utilization of the rich electric energy is realized. Of course, the power output end of the fuel cell 3 may not be electrically connected to the dry ice manufacturing apparatus 8 or the hydrogen formate production apparatus 1.
The multi-function replenishment station for the electric cold chain carrier further includes an exhaust device (not shown) that communicates with the fuel cell 3 to exhaust the moisture in the fuel cell 3. Preferably, the condensed water vapor is introduced into a water storage device (not shown), and water generated by the electrochemical reaction between hydrogen and oxygen in the fuel cell 3 is collected in the water storage device, so as to supplement water for the electric cold chain transportation vehicle or provide water source for drivers and passengers.
The multifunctional supply station of the electric cold chain transport vehicle further comprises a charging controller 5 arranged between the fuel cell 3 and the energy storage cell 4, and in the charging process of the energy storage cell 4, when the charging voltage or the charging current is too large, the temperature of the energy storage cell 4 is too high, the energy storage cell 4 is charged and saturated, and the like, the charging controller 5 can cut off the charging current so as to ensure the safety of the energy storage cell 4.
The charging pile of the multifunctional supply station of the electric cold chain transport vehicle comprises a direct current charging pile 7 and an alternating current charging pile 6, and a DC/DC converter 71 is electrically connected between the energy storage battery 4 and the direct current charging pile 7 so as to convert electric energy in the energy storage battery 4 into direct current and transmit the direct current to the direct current charging pile 7. A DC/AC converter 61 is electrically connected between the energy storage battery 4 and the AC charging pile 6 to convert the electric energy in the energy storage battery 4 into AC power to be transmitted to the AC charging pile 6.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. This need not be, nor should it be exhaustive of all embodiments. And obvious variations or modifications of this invention are intended to be covered by the scope of the invention as expressed herein.
Claims (10)
1. The utility model provides a multi-functional supply station of electronic cold chain transport vechicle which characterized in that includes:
the formic acid hydrogen production device (1) comprises a formic acid storage tank (11), a formic acid hydrogen production reactor (13) and a sample injection pump (12) connected between the formic acid storage tank (11) and the formic acid hydrogen production reactor (13), wherein the sample injection pump (12) pumps formic acid from the formic acid storage tank (11) into the formic acid hydrogen production reactor (13), and the formic acid hydrogen production reactor (13) is used for decomposing formic acid to generate hydrogen and carbon dioxide;
the gas separation device (2) is communicated with the formic acid hydrogenation reactor (13) and is used for separating hydrogen and carbon dioxide generated in the formic acid hydrogenation reactor (13), and the gas separation device (2) is provided with a hydrogen outlet and a carbon dioxide outlet;
the anode of the fuel cell (3) is communicated with the hydrogen outlet, and hydrogen enters the fuel cell (3) to be electrochemically reacted with oxygen at the cathode of the fuel cell (3) to generate electric energy;
an energy storage battery (4) electrically connected with the fuel cell (3) and used for storing the electric energy generated by the fuel cell (3); the energy storage battery (4) is connected with a charging pile for charging a vehicle;
and the dry ice manufacturing device (8) comprises a liquefying device (82) which is communicated with the carbon dioxide outlet and is used for liquefying gaseous carbon dioxide into liquid carbon dioxide, a solidifying and compressing device (83) which solidifies the liquefied liquid carbon dioxide into dry ice, and a dry ice storage tank (85) which is communicated with the outlet of the solidifying and compressing device (83).
2. The multi-functional replenishment station of an electric cold chain transport vehicle according to claim 1, characterized in that a dry ice filter (84) is provided between the solidification compression device (83) and the dry ice storage tank (85), the dry ice filter (84) being adapted to separate liquid carbon dioxide and dry ice.
3. The multi-functional replenishment station of an electric cold chain transport vehicle according to claim 2, characterized in that a carbon dioxide storage tank (81) is communicated between the carbon dioxide outlet of the gas separation device (2) and the liquefaction device (82); the carbon dioxide storage tank (81) is in communication with a liquid carbon dioxide outlet of the dry ice filter (84).
4. The multi-functional replenishment station of an electric cold chain transport vehicle according to claim 1, characterized in that the power output of the fuel cell (3) is electrically connected to the dry ice manufacturing device (8) and provides power to the dry ice manufacturing device (8).
5. The multifunctional supply station of the electric cold chain transport vehicle according to claim 1, characterized in that the electrical energy output end of the fuel cell (3) is electrically connected with the hydrogen formate production device (1) and provides electrical energy for the hydrogen formate production device (1).
6. The multifunctional supply station of the electric cold chain transport vehicle according to claim 1, wherein the temperature in the formic acid hydrogenation reactor (13) is between 25 and 150 ℃, and the pressure in the formic acid hydrogenation reactor (13) is between 0.1 and 1 Mpa.
7. The multi-functional replenishment station of an electric cold chain transport vehicle according to claim 1, characterized in that the fuel cell (3) is in communication with an air compressor and an exhaust, the air compressor being adapted to provide air to the cathode of the fuel cell (3); the exhaust means is adapted to exhaust the moisture inside the fuel cell (3).
8. The multi-functional replenishment station of an electric cold chain transport vehicle according to claim 1, characterized in that a charge controller (5) is electrically connected between the fuel cell (3) and the energy storage battery (4).
9. The multi-functional replenishment station of an electric cold-chain transport vehicle according to claim 1, characterized in that the charging post comprises a direct current charging post (7) and an alternating current charging post (6), a DC/AC converter (61) is electrically connected between the energy storage battery (4) and the alternating current charging post (6), and a DC/DC converter (71) is electrically connected between the energy storage battery (4) and the direct current charging post (7).
10. The multi-functional replenishment station of an electric cold chain transport vehicle according to claim 1, characterized in that the gas separation device (2) is a gas separation membrane.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202221927638.6U CN217822895U (en) | 2022-07-25 | 2022-07-25 | Multifunctional supply station of electric cold chain transport vehicle |
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| CN202221927638.6U CN217822895U (en) | 2022-07-25 | 2022-07-25 | Multifunctional supply station of electric cold chain transport vehicle |
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