Hydrogen-carbon synergetic self-sustaining energy mobile irrigation device and use method

Abstract

The invention relates to the technical field of agricultural irrigation, in particular to a hydrogen-carbon synergistic self-sustaining energy mobile irrigation device and a use method. A hydrogen-carbon cooperative self-sustaining energy mobile irrigation device comprises a vehicle body assembly, a hydrogen-carbon cooperative self-sustaining energy mobile irrigation device and a hydrogen-carbon cooperative self-sustaining energy mobile irrigation device, the carbon dioxide purification and storage assembly is arranged in the containing space, and the carbon dioxide purification and storage assembly comprises a carbon dioxide purifier; the hydrogen production assembly comprises a cracking reactor; and the heat exchange assembly comprises a heat exchange pipe set and a heat exchanger, the heat exchanger is arranged on the heat exchange pipe set, and the heat exchange pipe set is communicated with the carbon dioxide purifier and the cracking reactor. The invention provides a hydrogen-carbon synergetic self-sustaining energy mobile irrigation device and a use method, and aims to solve the problem that carbon dioxide gas fertilizer application equipment is separated from an irrigation system, a large amount of heat needs to be released in the carbon dioxide purification process, and the phenomenon of heat waste exists.

Description

Technical Field

[0001] This invention relates to the field of agricultural irrigation technology, specifically to a hydrogen-carbon synergistic self-sustaining mobile irrigation device and its usage method. Background Technology

[0002] Traditional irrigation relies on the power grid or diesel generators for power, making it impossible to operate off-grid in remote areas. The separation of single carbon dioxide fertilizer application equipment from the irrigation system leads to low resource utilization and equipment redundancy. Furthermore, the carbon dioxide purification process releases a large amount of heat, resulting in heat waste. Summary of the Invention

[0003] This invention provides a hydrogen-carbon synergistic self-sustaining mobile irrigation device and its usage method, in order to solve the problem of the separation of carbon dioxide fertilizer application equipment from the irrigation system and the fact that the carbon dioxide purification process requires the release of a large amount of heat, resulting in heat waste.

[0004] In a first aspect, the present invention provides a hydrogen-carbon synergistic self-sustaining mobile irrigation device, comprising: The vehicle body assembly includes a container having a storage space inside the container; A carbon dioxide purification and storage component is disposed within the containment space, and the carbon dioxide purification and storage component includes a carbon dioxide purifier; A hydrogen production assembly, the hydrogen production assembly including a cracking reactor; The heat exchange assembly includes a heat exchange tube group and a heat exchanger. The heat exchange tube group is equipped with a heat exchanger and is connected to the carbon dioxide purifier and the pyrolysis reactor, respectively.

[0005] The carbon dioxide purifier releases heat, while the pyrolysis reactor absorbs heat. The heat is transported through heat exchange tubes. A large portion of the heat in the pyrolysis reactor comes from the heat obtained from the heat exchanger. Heat exchange occurs within the heat exchanger, achieving the goal of energy reuse and energy saving.

[0006] In one optional embodiment, the pyrolysis reactor includes an inner catalytic chamber and an inner heat-conducting chamber, the inner heat-conducting chamber being connected to the heat exchange tube assembly, and a heating rod being provided inside the inner heat-conducting chamber.

[0007] In one optional embodiment, the system further includes a hydrogen purification and storage assembly disposed within the containment space. The hydrogen purification and storage assembly includes a hydrogen purification pipeline, a pure hydrogen storage tank, and a pressure swing adsorption (PSA) module. The hydrogen purification pipeline connects the pyrolysis reactor and the pure hydrogen storage tank, and the PSA module is provided on the hydrogen purification pipeline.

[0008] In one optional embodiment, the hydrogen purification and storage assembly further includes a gas recovery tank, which is connected to the hydrogen purification branch pipe and the carbon dioxide purifier pipeline.

[0009] In one optional embodiment, the carbon dioxide purification and storage assembly further includes a low-pressure storage tank and a high-pressure storage tank. The low-pressure storage tank is connected to the carbon dioxide purifier pipeline, and a pressure boosting pipeline is provided between the high-pressure storage tank and the low-pressure storage tank. The pressure boosting pipeline is equipped with a first compression pump.

[0010] In one alternative embodiment, a water mixing assembly is further included, the water mixing assembly comprising a mixing tank connected in pipeline to the high-pressure storage tank and the pure hydrogen storage tank, respectively.

[0011] In one optional embodiment, the system further includes a water-fertilizer dissolving component, which comprises a water-fertilizer mixing tank and a stirring pump, wherein the stirring pump is located at the bottom of the water-fertilizer mixing tank.

[0012] In one alternative embodiment, a photovoltaic power generation component is also included, the photovoltaic power generation component comprising a photovoltaic panel, the photovoltaic power generation component being disposed on the top of the container.

[0013] In one alternative implementation, the system further includes an energy storage cabinet connected to the photovoltaic power generation module wiring.

[0014] Secondly, the present invention also provides a method for using a hydrogen-carbon synergistic self-sustaining mobile irrigation device, wherein the carbon dioxide purifier releases heat, the pyrolysis reactor absorbs heat, and the heat is transported through a heat exchange tube assembly, and heat exchange is achieved within the heat exchanger. Attached Figure Description

[0015] To more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0016] Figure 1 This is a schematic diagram of the process of a hydrogen-carbon synergistic self-sustaining energy mobile irrigation device according to an embodiment of the present invention; Figure 2 This is a front view of the hydrogen-carbon synergistic self-sustaining energy mobile irrigation device according to an embodiment of the present invention; Figure 3 This is a rear view of the hydrogen-carbon synergistic self-sustaining energy mobile irrigation device according to an embodiment of the present invention; Figure 4 This is a left view of the hydrogen-carbon synergistic self-sustaining energy mobile irrigation device according to an embodiment of the present invention; Figure 5 This is a schematic diagram of the hydrogen-carbon synergistic self-sufficient energy mobile irrigation device after it has been deployed, according to an embodiment of the present invention. Figure 6 This is a bottom view of the mixing tank according to an embodiment of the present invention; Figure 7 This is a front view of the mixing tank according to an embodiment of the present invention; Figure 8 This is a schematic diagram of the explosion of a nanobubble nozzle according to an embodiment of the present invention.

[0017] Explanation of reference numerals in the attached drawings: 1. Vehicle body assembly; 101. Chassis; 102. Container; 1021. First telescopic boom; 1022. Wing plate; 103. Lifting outrigger; 104. Traction head; 105. Wheel; 2. Hydrogen production assembly; 201. Cracking reactor; 202. Hydrogen-rich outlet; 203. Level gauge; 204. Raw material inlet; 3. Carbon dioxide purification and storage assembly; 301. Carbon dioxide purifier; 302. Low-pressure storage tank; 303. High-pressure storage tank; 4. Heat exchange assembly; 401. Heat exchanger; 402. Circulation pump; 403. Heat transfer oil outlet pipeline; 404. Gas outlet pipeline; 5. Hydrogen purification and storage assembly; 501. Pure hydrogen storage tank; 5 02. Gas recovery tank; 503. Pressure swing adsorption module; 6. Energy storage cabinet; 7. Mixing water assembly; 701. Mixing tank; 702. Hydrogen-rich water concentration meter; 703. Acid-base concentration meter; 704. Nano bubble nozzle; 7041. Nozzle top cover; 7042. Upper sealing gasket; 7043. Nano bubble film; 7044. Lower sealing gasket; 7045. Nozzle bottom cover; 705. Fixing frame; 706. Water inlet; 8. Water-fertilizer dissolving assembly; 801. Water-fertilizer mixing tank; 802. Explosion-proof tank; 803. Water pump; 804. Fertilizer inlet tray; 9. Raw material tank; 10. Photovoltaic power generation assembly; 1001. Photovoltaic panel; 1002. Second telescopic rod; 11. Controller. Detailed Implementation

[0018] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0019] The following is combined Figures 1 to 8 The following describes embodiments of the present invention.

[0020] According to an embodiment of the present invention, in one aspect, a hydrogen-carbon synergistic self-sufficient mobile irrigation device is provided, comprising: a vehicle body assembly 1, including a container 102, the container 102 having a housing space; a carbon dioxide purification and storage assembly 3, disposed within the housing space, the carbon dioxide purification and storage assembly 3 including a carbon dioxide purifier 301; a hydrogen production assembly 2, disposed within the housing space, the hydrogen production assembly 2 including a cracking reactor 201; and a heat exchange assembly 4, disposed within the housing space, the heat exchange assembly 4 including a heat exchange tube assembly and a heat exchanger 401, the heat exchange tube assembly being provided with the heat exchanger 401, the heat exchange tube assembly being connected to the carbon dioxide purifier 301 and the cracking reactor 201 respectively.

[0021] The carbon dioxide purifier 301 releases heat, while the pyrolysis reactor 201 absorbs heat. Heat is transferred through heat exchange tubes and exchanged within heat exchanger 401, achieving heat exchange and thus enabling energy reuse and saving. Figure 2 , Figure 3 As shown, the heat exchanger tube assembly includes a heat transfer oil outlet pipe 403, a heat transfer oil inlet pipe, a gas outlet pipe 404, and a gas inlet pipe. Heat transfer oil flows in the heat transfer oil outlet pipe 403 and the heat transfer oil inlet pipe, respectively, and is connected to the cracking reactor 201 and the heat exchanger 401. Gas flows in the gas outlet pipe 404 and the gas inlet pipe, respectively, and is connected to the carbon dioxide purifier 301 and the heat exchanger 401, respectively, for heat exchange in the heat exchanger 401.

[0022] In one embodiment, such as Figure 2 and Figure 3 As shown, the pyrolysis reactor 201 includes an inner catalytic chamber and an inner heat-conducting chamber. The inner heat-conducting chamber is connected to a heat exchange tube assembly and is equipped with a heating rod. In this embodiment, the pyrolysis reactor 201 also includes an outer insulation shell. The inner catalytic chamber and the inner heat-conducting chamber are located inside the outer insulation shell. The inner catalytic chamber is used to pyrolyze the feedstock, and the heating rod is used to heat the heat-conducting oil inside the inner heat-conducting chamber. The heat-conducting oil is used to heat the inner catalytic chamber to a preset temperature.

[0023] In this embodiment, the internal catalytic chamber is filled with a ruthenium-based catalyst for cracking formic acid to produce hydrogen and carbon dioxide. Furthermore, a level gauge 203 is installed above the cracking reactor 201 to monitor the internal liquid level in real time.

[0024] In this embodiment, as Figure 2 and Figure 3 As shown, container 102 is also equipped with raw material tank 9, which supplies raw materials to the internal catalytic chamber through pipelines.

[0025] In one embodiment, such as Figure 2 and Figure 3As shown, the system also includes a hydrogen purification and storage assembly 5 located within the containment space. The hydrogen purification and storage assembly 5 includes a hydrogen purification pipeline, a pure hydrogen storage tank 501, and a pressure swing adsorption (PSA) module 503. The hydrogen purification pipeline connects the cracking reactor 201 and the pure hydrogen storage tank 501, and the PSA module 503 is installed on the hydrogen purification pipeline. The hydrogen produced by the cracking reactor 201 reaches the PSA module 503 via the hydrogen purification pipeline. The PSA module 503 purifies the hydrogen to 99.99%, and the purified hydrogen then enters the pure hydrogen storage tank 501.

[0026] In one embodiment, such as Figure 2 and Figure 3 As shown, the hydrogen purification and storage component 5 also includes a gas recovery tank 502, which is connected to the hydrogen purification branch pipe and to the carbon dioxide purifier 301 pipeline. Waste gas is generated during the purification process of hydrogen by the pressure swing adsorption module 503, and this waste gas is sent into the gas recovery tank 502 via the hydrogen purification branch pipe. In this embodiment, one end of the hydrogen purification branch pipe is connected to the pressure swing adsorption module 503, and the other end is connected to the gas recovery tank 502.

[0027] In one embodiment, such as Figure 2 and Figure 3 As shown, the carbon dioxide purification and storage component 3 also includes a low-pressure storage tank 302 and a high-pressure storage tank 303. The low-pressure storage tank 302 is connected to the carbon dioxide purifier 301 via a pipeline, and a pressure boosting pipeline is provided between the high-pressure storage tank 303 and the low-pressure storage tank 302. The pressure boosting pipeline is equipped with a compression pump. In this embodiment, the gas recovery tank 502 is connected to the carbon dioxide purifier 301 via an exhaust gas compression pipeline. A second compression pump is provided on the exhaust gas compression pipeline. The second compression pump pressurizes the exhaust gas in the gas recovery tank 502 to 0.9–1.2 MPa, and then enters the carbon dioxide purifier 301 through the first control valve on the exhaust gas compression pipeline. In the combustion chamber of the carbon dioxide purifier 301, it mixes with air to remove impurities such as hydrogen and carbon monoxide, generating high-purity carbon dioxide. The high-purity carbon dioxide reaches the low-pressure storage tank 302 via a pipeline. The high-purity carbon dioxide in the low-pressure storage tank 302 is pressurized to 4–5 MPa by the second compression pump and then stored in the high-pressure storage tank 303. In this embodiment, the high-pressure storage tank 303 is also provided with a quick discharge pipeline, a second control valve, and a quick exhaust port, so that the carbon dioxide in the high-pressure storage tank 303 can be quickly discharged into the external space.

[0028] In this embodiment, the carbon dioxide purifier 301 includes an inner mixing chamber, an inner combustion chamber, and an outer insulation shell. The inner mixing chamber and the inner combustion chamber are located inside the outer insulation shell. The inner mixing chamber is used to thoroughly mix the exhaust gas and the incoming air, and the inner combustion chamber removes hydrogen and trace amounts of CO from the carbon dioxide through catalytic combustion. The purified carbon dioxide, after heat exchange with the heat exchanger 401, reaches the low-pressure storage tank 302 through pipelines. It should be noted that the carbon dioxide purifier 301 includes a gas inlet and a pressure sensor, which senses the pressure values ​​in the inner mixing chamber and the inner combustion chamber.

[0029] In one embodiment, such as Figure 2 and Figure 3 As shown, it also includes a water mixing assembly 7, which includes a mixing tank 701. The mixing tank 701 is connected to the high-pressure storage tank 303 and the pure hydrogen storage tank 501 via pipelines. The mixing tank 701 allows high-purity hydrogen or high-purity carbon dioxide to be mixed with water to meet the different needs of plant growth. When hydrogen water irrigation is required, hydrogen gas is introduced into the mixing tank 701, and the hydrogen and water are mixed for irrigation; when acidic water is required, carbon dioxide is introduced into the mixing tank 701, and the carbon and water are mixed for irrigation of acid- and alkaline-loving plants.

[0030] In this embodiment, as Figure 3 As shown, the top of the mixing tank 701 is also equipped with a hydrogen-rich water concentration meter 702 and an acid-base concentration meter 703 for detecting data within the mixing tank 701. In this embodiment, as... Figure 5 , Figure 8 As shown, hydrogen or carbon dioxide needs to be incorporated into the water through their respective nanobubble nozzles 704. The nanobubble nozzle 704 includes a nozzle top cover 7041, an upper sealing gasket 7042, a nanobubble membrane 7043, a lower sealing gasket 7044, a nozzle bottom cover 7045, and a nozzle gas inlet. The nozzle top cover 7041 and nozzle bottom cover 7045 are used to fix the nanobubble nozzle 704, and the upper sealing gasket 7042 and lower sealing gasket 7044 are used to seal and fix the nanobubble membrane 7043. In this embodiment, as... Figure 6 , Figure 7 As shown, the mixing tank 701 has a water inlet 706 on its side wall and a fixing bracket 705 at the bottom of the mixing tank 701. The fixing bracket 705 is used to fix the nano bubble nozzle 704.

[0031] In one embodiment, such as Figure 2 , Figure 3As shown, it also includes a water-fertilizer dissolving component 8, which comprises a water-fertilizer mixing tank 801 and a stirring pump. The stirring pump is located at the bottom of the water-fertilizer mixing tank 801 and is used to stir the water and fertilizer inside the tank. The stirring pump drives a turbine-type stirring paddle (adjustable speed from 50 to 300 rpm) mounted at the bottom, and the paddle surface is coated with a tungsten carbide wear-resistant layer. In addition, the water-fertilizer mixing tank 801 is equipped with ultrasonic assistance, with ultrasonic transducers (frequency 20 kHz) embedded in the side walls to accelerate molecular motion dissolution (increasing dissolution efficiency by 40%).

[0032] In this embodiment, as Figure 2 , Figure 3 As shown, the water-fertilizer mixing tank 801 has a double-layer stainless steel structure (inner layer of Wield 316L corrosion-resistant material, outer wall is an insulation layer, customizable from 500-2000L according to requirements). A vertical partition is added inside the water-fertilizer mixing tank 801 to separate the premixing zone and the deep dissolution zone, preventing fertilizer sedimentation. In this embodiment, the top of the water-fertilizer mixing tank 801 is equipped with a fertilizer inlet tray 804, with a 30° inclined design, a pneumatic sealing cover, and a diversion chamber. The diversion chamber is designed with a pulverizing device capable of pulverizing fertilizer particles with a diameter ≤2mm. In this embodiment, a water pump 803 is located on the side of the water-fertilizer mixing tank. The water-fertilizer outlet of the water-fertilizer mixing tank is located at the conical bottom of the tank, with a diameter of DN65. The pipeline is connected to the water pump 803, and a self-cleaning filter is installed on the pipeline.

[0033] In one embodiment, such as Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, it also includes a photovoltaic power generation module 10, which includes a photovoltaic panel and is mounted on top of the container 102. To facilitate the tilting of the photovoltaic panel, as... Figure 4 As shown, a second telescopic rod 1002 is provided at the bottom of the photovoltaic panel to drive the photovoltaic panel to move and ensure maximum light-to-electricity conversion by optimizing the photovoltaic panel's orientation to receive the sun. Specifically, the second telescopic rod 1002 is a hydraulic telescopic rod.

[0034] In one embodiment, such as Figure 2 As shown, it also includes an energy storage cabinet 6, which is connected to the photovoltaic power generation module 10 via a circuit. The electrical energy generated by the photovoltaic module is stored in the energy storage cabinet 6. In this embodiment, the angle of the photovoltaic power generation module 10 is dynamically adjusted within a range of 0–90°, increasing the average daily power generation by 25% (compared to a fixed type). The energy storage system prioritizes power supply as follows: heating rod of the cracking reactor 201 > compressor pump > irrigation water pump 803, ensuring uninterrupted power supply to critical loads.

[0035] In this embodiment, as Figure 2 , Figure 3As shown, it also includes a raw material tank 9, which is connected to the pyrolysis reactor 201 by pipeline. The raw material tank 9 provides raw materials to the pyrolysis reactor 201, and a level gauge 203 is provided on the raw material tank 9 to monitor the liquid level in the raw material tank 9 in real time. A breather valve is provided on the raw material tank 9 to ensure the pressure balance in the raw material tank 9 during liquid replenishment and storage.

[0036] In this embodiment, as Figure 3 , Figure 4 As shown, each of the four wing panels 1022 of the container 102 is provided with a first telescopic rod 1021 to push each wing panel 1022 to unfold.

[0037] In this embodiment, as Figure 3 , Figure 5 As shown, a lifting outrigger 103 is provided below the chassis 101 of the vehicle body assembly 1. The lifting outrigger 103 is extended (to ensure the stability of the container 102) or retracted by a rocker arm mounted on it. In this embodiment, as... Figure 2 , Figure 3 As shown, the chassis 101 is also equipped with a vehicle and a towing head 104. The towing head 104 and the lifting outriggers 103 are respectively located at both ends of the chassis 101. The entire device can be towed to any irrigation site by means of the towing head 104.

[0038] To achieve automatic control, a controller 11 is also included. The controller 11 is connected to the first telescopic rod 1021, the second telescopic rod 1002, the energy storage cabinet 6, the pyrolysis reactor 201, the carbon dioxide purifier 301, the circulation pump 402, the booster pump, the water pump 803, the stirring pump, and the control valves installed on each pipeline (installing control valves on each pipeline is prior art and will not be described in detail in this application) to achieve the integration of various functions.

[0039] A method for using a hydrogen-carbon synergistic self-sufficient mobile irrigation device, such as... Figure 1 As shown, it includes the following steps: (1) The raw material tank 9 supplies raw materials to the hydrogen production assembly 2, and the cracking reactor 201 cracks the raw materials to produce hydrogen-rich gas; (2) The hydrogen-rich gas generated by the cracking reactor 201 is purified by the pressure swing adsorption module 503 through the pipeline. The purified hydrogen enters the pure hydrogen storage tank 501, and the waste gas generated by the purification enters the gas recovery tank 502. (3) The waste gas in the gas recovery tank 502 is pressurized and enters the carbon dioxide purifier 301. In the combustion chamber of the carbon dioxide purifier 301, it is mixed with air to remove impurities such as hydrogen and carbon monoxide, generating high-purity carbon dioxide. The high-purity carbon dioxide reaches the low-pressure storage tank 302 through the pipeline. The high-purity carbon dioxide in the low-pressure storage tank 302 is pressurized and stored in the high-pressure storage tank 303. (4) The high-pressure storage tank 303 and the pure hydrogen storage tank 501 are respectively connected to the mixing tank 701 to provide hydrogen or carbon dioxide into the mixing tank 701. The mixed water containing hydrogen or carbon dioxide produced in the mixing tank 701 is used to irrigate the plants in the greenhouse. (5) At the same time, the fertilizer produced in the water and fertilizer irrigation components can also be used to irrigate the plants in the greenhouse.

[0040] During use, the entire device is pulled to the irrigation position by the traction head 104, and the photovoltaic power generation module 10 generates electricity and stores it in the energy storage cabinet 6. The controller 11 issues corresponding instructions to realize the corresponding functions.

[0041] The hydrogen-carbon synergistic self-sustaining mobile irrigation device provided by the present invention has the following advantages: (1) The carbon dioxide purifier 301 releases heat, and the cracking reactor 201 absorbs heat. The heat is transported through the heat exchange tube group. A large part of the heat of the cracking reactor 201 comes from the heat obtained by the heat exchanger 401. Heat exchange is carried out in the heat exchanger 401 to realize the exchange of heat and achieve the purpose of energy reuse and energy saving; (2) Through the hydrogen purification and storage component 5 and the carbon dioxide purification and storage component 3, the traditional independent hydrogen production and carbon capture mode is broken. The comprehensive energy consumption is reduced by 20% compared with the traditional single method. It can also realize the reuse of waste gas after hydrogen purification, reducing the pollution and harm to the environment; (3) By setting the hydrogen-rich water concentration meter 702 and the acid-base concentration meter 703 on the top of the mixing tank 701, it is used for The data in the mixing tank 701 is detected, the pH value of the water is monitored by the acid-base concentration meter 703, and the gas injection ratio is linked (such as increasing CO2 input in alkaline environment), breaking through the limitation of single hydrogen injection and realizing the synergistic effect of hydrogen antibacterial + carbon photosynthesis; (4) Through the controller 11, the operation between various functions is realized, ensuring the orderly connection between various components and the normal use of various functions; (5) The energy storage system prioritizes power supply: heating rod of cracking reactor 201 > compression pump > irrigation water pump 803, ensuring that the key load is not powered off; (6) Through the unfolding and retraction of the wing plate 1022, the various devices in the container 102 can be quickly inspected and repaired; (7) The integration of hydrogen production, hydrogen purification, carbon dioxide purification and mixed water is realized on the same device, and the steps are closely coordinated, which has the advantage of compact structure.

[0042] Although embodiments of the invention have been described in conjunction with the accompanying drawings, those skilled in the art can make various modifications and variations without departing from the spirit and scope of the invention, and such modifications and variations all fall within the scope defined by the appended claims.

Claims

1. A self-sustaining mobile irrigation device with hydrogen-carbon synergy, characterized in that, include: The vehicle body assembly (1) includes a container (102) having a storage space inside; A carbon dioxide purification and storage component (3) is disposed within the containment space, and the carbon dioxide purification and storage component (3) includes a carbon dioxide purifier (301). Hydrogen production assembly (2) is disposed within the containment space, and the hydrogen production assembly (2) includes a cracking reactor (201). A heat exchange assembly (4) is provided in the accommodating space. The heat exchange assembly (4) includes a heat exchange tube group and a heat exchanger (401). The heat exchange tube group is provided with a heat exchanger (401). The heat exchange tube group is connected to the carbon dioxide purifier (301) and the pyrolysis reactor (201) respectively.

2. The hydrogen-carbon synergistic self-sustaining mobile irrigation device according to claim 1, characterized in that, The pyrolysis reactor (201) includes an inner catalytic chamber and an inner heat-conducting chamber. The inner heat-conducting chamber is connected to the heat exchange tube assembly, and a heating rod is provided inside the inner heat-conducting chamber.

3. The hydrogen-carbon synergistic self-sustaining mobile irrigation device according to any one of claims 1-2, characterized in that, It also includes a hydrogen purification and storage assembly (5) located in the containment space. The hydrogen purification and storage assembly (5) includes a hydrogen purification pipeline, a pure hydrogen storage tank (501) and a pressure swing adsorption module (503). The hydrogen purification pipeline is connected to the cracking reactor (201) and the pure hydrogen storage tank (501). The hydrogen purification pipeline is equipped with a pressure swing adsorption module (503).

4. The hydrogen-carbon synergistic self-sustaining mobile irrigation device according to claim 3, characterized in that, The hydrogen purification and storage assembly (5) also includes a gas recovery tank (502), which is connected to the hydrogen purification branch pipe and to the carbon dioxide purifier (301) pipeline.

5. The hydrogen-carbon synergistic self-sustaining mobile irrigation device according to claim 4, characterized in that, The carbon dioxide purification and storage component (3) further includes a low-pressure storage tank (302) and a high-pressure storage tank (303). The low-pressure storage tank (302) is connected to the carbon dioxide purifier (301) via a pipeline. A pressure boosting pipeline is provided between the high-pressure storage tank (303) and the low-pressure storage tank (302). The pressure boosting pipeline is equipped with a first compression pump.

6. The hydrogen-carbon synergistic self-sustaining mobile irrigation device according to claim 5, characterized in that, It also includes a water mixing assembly (7), which includes a water mixing tank (701) that is connected to the high-pressure storage tank (303) and the pure hydrogen storage tank (501) via pipelines.

7. The hydrogen-carbon synergistic self-sustaining mobile irrigation device according to claim 4, characterized in that, It also includes a water-fertilizer dissolving component (8), which includes a water-fertilizer mixing tank (801) and a stirring pump, wherein the stirring pump is located at the bottom of the water-fertilizer mixing tank (801).

8. The hydrogen-carbon synergistic self-sustaining mobile irrigation device according to claim 1, characterized in that, It also includes a photovoltaic power generation module (10), which includes a photovoltaic panel and is located on top of the container (102).

9. The hydrogen-carbon synergistic self-sustaining mobile irrigation device according to claim 8, characterized in that, It also includes an energy storage cabinet (6), which is connected to the photovoltaic power generation module (10) by a line.

10. A method of using a hydrogen-carbon synergistic self-sustaining mobile irrigation device, for using the hydrogen-carbon synergistic self-sustaining mobile irrigation device according to claim 1, characterized in that, The carbon dioxide purifier (301) releases heat, the pyrolysis reactor (201) absorbs heat, and the heat is transported through the heat exchange tube group and exchanged in the heat exchanger (401) to achieve heat exchange.

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