CN114703493A - A system and method for coupling application of new energy hydrogen production and carbon dioxide capture - Google Patents

Abstract

The invention discloses a system and a method for coupling application of new energy hydrogen production and carbon dioxide capture, which comprises a new energy power generation device, an ion membrane electrolytic hydrogen production system and a carbon dioxide capture and storage system, wherein the ion membrane electrolytic hydrogen production system comprises a saturated sodium chloride solution refining and concentrating device, a demineralized water adding device for preparing hydrogen and caustic soda, a sodium chloride solution adding device, a demineralized water adding device for preparing hydrochloric acid, a demineralized water adding device for preparing oxygen, an ion membrane electrolytic hydrogen production device, a hydrogen collection and treatment device, a sodium hydroxide solution collection and conveying device, a sodium chloride dilute solution collection and conveying device and a hydrochloric acid solution collection and conveying device; the system and the method can prepare green hydrogen, and simultaneously solve the problems of large energy consumption and high cost of the traditional carbon dioxide trapping technology.

Description

A system and method for coupling application of new energy hydrogen production and carbon dioxide capture

technical field

The invention belongs to the technical field of new energy hydrogen production and carbon dioxide capture, and particularly relates to a system and method for coupling application of new energy hydrogen production and carbon dioxide capture.

Background technique

There is no carbon dioxide emission in the process of new energy hydrogen production, and the generated hydrogen is green hydrogen, which is the future development direction of hydrogen production. The chemical absorption method to capture carbon dioxide is an effective way to solve the carbon dioxide generated from the combustion of fossil fuels and achieve the goal of carbon peaking and carbon neutrality. However, the current carbon capture technology, whether it is pre-combustion capture or post-combustion capture of fossil fuels, generally has the problems of high energy consumption and high cost, and there is the problem of capturing the emitted carbon in a way of increasing carbon emissions, all of which limit the The promotion of carbon capture technology. In view of the above problems, whether new energy technology can be used to solve the problems of high energy consumption and high cost of traditional carbon dioxide capture technology is the future development direction. It is of great significance to realize the "green" research of carbon capture process through new energy technology.

Therefore, it is of great theoretical and practical value to develop a technology that utilizes new energy to capture carbon dioxide and simultaneously produce green hydrogen.

SUMMARY OF THE INVENTION

The purpose of the present invention is to overcome the shortcomings of the above-mentioned prior art, and to provide a system and method for coupling application of new energy hydrogen production and carbon dioxide capture, the system and method can prepare green hydrogen and simultaneously solve the energy consumption of traditional carbon dioxide capture technology large and costly problems.

In order to achieve the above purpose, the system for coupling application of new energy hydrogen production and carbon dioxide deposition according to the present invention includes a new energy power generation device, an ion membrane electrolysis hydrogen production system, and a carbon dioxide capture and storage system, wherein the ion membrane electrolysis hydrogen production system. Including saturated sodium chloride solution refining and concentration device, demineralized water adding device prepared by hydrogen and caustic soda, sodium chloride solution adding device, demineralized water adding device prepared by hydrochloric acid, demineralized water adding device prepared by oxygen, ion membrane electrolysis hydrogen production device, Hydrogen collection and processing device, sodium hydroxide solution collection and transportation device, sodium chloride dilute solution collection and transportation device, and hydrochloric acid solution collection and transportation device; the ion membrane electrolysis hydrogen production device includes sequentially distributed negative electrodes, sodium hydroxide preparation cation exchange membrane, An anion exchange membrane and hydrochloric acid are used to prepare a cation exchange membrane and a positive electrode, wherein the positive electrode and the negative electrode are respectively connected to the new energy power generation device;

The inlet of the channel formed between the negative electrode and the cation exchange membrane prepared by sodium hydroxide is communicated with the outlet of the demineralized water adding device prepared by hydrogen and caustic soda; the hydrogen outlet of the channel formed between the negative electrode and the cation exchange membrane prepared by sodium hydroxide is connected to the hydrogen gas outlet. The collecting and processing device is communicated, and the sodium hydroxide solution outlet of the channel formed between the negative electrode and the cation exchange membrane prepared by sodium hydroxide is communicated with the sodium hydroxide solution collecting and conveying device;

The inlet of the channel formed between the cation exchange membrane and the anion exchange membrane prepared by sodium hydroxide is connected with the outlet of the sodium chloride solution feeding device, and the outlet of the channel formed between the cation exchange membrane and the anion exchange membrane prepared by sodium hydroxide is connected to the outlet of the sodium chloride solution adding device. The inlets of the sodium chloride dilute solution collecting and conveying device are communicated with each other;

The inlet of the channel formed between the anion exchange membrane and the cation exchange membrane prepared from hydrochloric acid is communicated with the outlet of the desalted water adding device prepared by hydrochloric acid; the outlet of the channel formed between the anion exchange membrane and the cation exchange membrane prepared from hydrochloric acid is connected with the collection and transportation of the hydrochloric acid solution The inlet of the device is connected;

The inlet of the channel formed between the cation exchange membrane prepared by hydrochloric acid and the positive electrode is communicated with the inlet of the demineralized water adding device prepared by oxygen;

The outlet of the sodium hydroxide solution collecting and conveying device and the outlet of the hydrochloric acid solution collecting and conveying device are communicated with the inlet of the carbon dioxide capture and storage system.

The carbon dioxide capture and storage system includes a high carbon dioxide content gas collection and transportation device, a sodium hydroxide solution storage and transportation device, a hydrochloric acid solution storage and transportation device, a carbon dioxide capture device, a carbon dioxide separation device and a carbon dioxide collection and processing device;

The outlet of the sodium hydroxide solution collection and conveying device is communicated with the inlet of the sodium hydroxide solution storage and conveying device, the outlet of the sodium hydroxide solution storage and conveying device is communicated with the inlet of the carbon dioxide capture device, and the outlet of the hydrochloric acid solution collection and conveying device is communicated with hydrochloric acid. The inlet of the solution storage and transportation device is communicated with the inlet of the hydrochloric acid solution storage and transportation device, and the outlet of the hydrochloric acid solution storage and transportation device is communicated with the inlet of the carbon dioxide separation device; the outlet of the high carbon dioxide content gas collection and transportation device is communicated with the carbon dioxide capture device, and the liquid outlet of the carbon dioxide capture device is communicated with The carbon dioxide separation device is communicated, and the carbon dioxide outlet of the carbon dioxide separation device is communicated with the carbon dioxide collection and processing device.

The liquid outlet of the carbon dioxide separation device is communicated with the liquid outlet of the sodium chloride dilute solution collecting and conveying device and the inlet of the saturated sodium chloride solution refining and concentrating device.

The ion membrane electrolysis hydrogen production system also includes an oxygen collection and treatment device; the outlet of the channel formed between the cation exchange membrane prepared by hydrochloric acid and the positive electrode is communicated with the oxygen collection and treatment device.

The method for coupling application of new energy hydrogen production and carbon dioxide deposition according to the present invention comprises the following steps:

A new energy power generation device is used to supply power to the negative electrode and the positive electrode. The demineralized water is fed into the channel formed between the negative electrode and the cation exchange membrane prepared by sodium hydroxide through the demineralized water adding device prepared by hydrogen and caustic soda. The sodium chloride solution is added to the device to the hydroxide. Saturated sodium chloride solution is introduced into the channel formed between the sodium-prepared cation exchange membrane and the anion-exchange membrane, and the demineralized water addition device prepared by hydrochloric acid is introduced into the channel formed between the anion-exchange membrane and the hydrochloric acid-prepared cation exchange membrane. , the demineralized water adding device prepared by oxygen feeds demineralized water into the channel formed between the cation exchange membrane prepared by hydrochloric acid and the positive electrode;

The demineralized water is reduced to hydrogen at the negative electrode, and at the same time, hydroxide ions are generated. Under the action of the electric field, the sodium ions pass through the sodium hydroxide to form a cation exchange membrane and combine with the hydroxide ions to form sodium hydroxide. The demineralized water is oxidized at the positive electrode to form sodium hydroxide. Oxygen generates hydrogen ions at the same time. Under the action of the electric field, the generated hydrogen ions pass through the hydrochloric acid to prepare the cation exchange membrane, and the chloride ions that are also affected by the electric field pass through the anion exchange membrane to combine into hydrochloric acid;

The generated hydrogen enters the hydrogen collection and treatment device for drying and compression storage;

The generated sodium hydroxide solution is transported by the sodium hydroxide solution collection and conveying device to the sodium hydroxide solution storage and conveying device for storage, and the generated hydrochloric acid solution is transported by the hydrochloric acid solution collection and conveying device to the hydrochloric acid solution storage and conveying device for storage;

The ion-exchanged dilute sodium chloride solution is recycled to the saturated sodium chloride solution refining and concentrating device by the sodium chloride dilute solution collecting and conveying device for refining and concentration;

When carbon dioxide capture is required, the sodium hydroxide solution storage and delivery device transports sodium hydroxide solution to the carbon dioxide capture device, and the gas with high carbon dioxide content and the sodium hydroxide solution in the carbon dioxide capture device operate in a countercurrent manner. The delivery flow of sodium hydroxide solution makes excess carbon dioxide react with sodium hydroxide solution to generate sodium bicarbonate solution to remove carbon dioxide;

The hydrochloric acid solution storage and conveying device conveys the hydrochloric acid solution to the carbon dioxide separation device. In the carbon dioxide separation device, the sodium bicarbonate solution and the hydrochloric acid solution generated by the carbon dioxide capture device are operated in a countercurrent manner, and the conveying flow of the hydrochloric acid solution is controlled to make the sodium bicarbonate solution. Completely react with hydrochloric acid to generate sodium chloride solution and carbon dioxide, wherein, the generated sodium chloride solution is returned to the saturated sodium chloride solution refining and concentrating device for refining and concentration, and the generated carbon dioxide enters the carbon dioxide collection and processing device for drying and compression store.

The power generation method of the new energy power generation device is wind power generation, photovoltaic power generation or tidal power generation.

The present invention has the following beneficial effects:

In the specific operation of the system and method for coupling application of new energy hydrogen production and carbon dioxide capture, the ionic membrane electrolysis hydrogen production system uses the electricity output from the new energy power generation device to generate sodium hydroxide solution, hydrogen, oxygen and hydrochloric acid, In this way, high-purity sodium hydroxide and hydrochloric acid are prepared as raw materials for carbon dioxide capture while preparing green hydrogen energy storage, and then carbon dioxide capture and storage system is used for carbon dioxide deposition and storage, so as to solve the energy consumption of traditional carbon dioxide capture technology. large and costly problems.

Description of drawings

Fig. 1 is the structural representation of the present invention;

FIG. 2 is a structural diagram of the ion-exchange membrane electrolysis hydrogen production device 7 in the present invention.

Wherein, 1 is a saturated sodium chloride solution refining and concentrating device, 2 is a demineralized water adding device prepared by hydrogen and caustic soda, 3 is a sodium chloride solution adding device, 4 is a demineralized water adding device prepared by hydrochloric acid, and 5 is a demineralized water prepared by oxygen. Brine adding device, 6 is a new energy power generation device, 7 is an ion membrane electrolysis hydrogen production device, 8 is a hydrogen collection and treatment device, 9 is a sodium hydroxide solution collection and conveying device, 10 is a sodium chloride dilute solution collection and conveying device, 11 is Hydrochloric acid solution collection and conveying device, 12 is oxygen collection and processing device, 13 is high carbon dioxide content gas collection and conveying device, 14 is carbon dioxide capture device, 15 is sodium hydroxide solution storage and conveying device, 16 is carbon dioxide separation device, 17 is hydrochloric acid solution Storage and conveying device, 18 is a carbon dioxide collection and processing device, 19 is a negative electrode, 20 is a cation exchange membrane prepared by sodium hydroxide, 21 is an anion exchange membrane, 22 is a cation exchange membrane prepared from hydrochloric acid, and 23 is a positive electrode.

Detailed ways

In order to make those skilled in the art better understand the solutions of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only The embodiments are part of the present invention, not all of the embodiments, and are not intended to limit the scope of the present disclosure. Furthermore, in the following description, descriptions of well-known structures and techniques are omitted to avoid unnecessarily obscuring the concepts disclosed in the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

The accompanying drawings show a schematic structural diagram of an embodiment according to the disclosure of the present invention. The figures are not to scale, some details have been exaggerated for clarity, and some details may have been omitted. The shapes of various regions and layers shown in the figures and their relative sizes and positional relationships are only exemplary, and in practice, there may be deviations due to manufacturing tolerances or technical limitations, and those skilled in the art should Regions/layers with different shapes, sizes, relative positions can be additionally designed as desired.

1 and 2, the system for coupling application of new energy hydrogen production and carbon dioxide deposition according to the present invention includes a new energy power generation device (6), an ion membrane electrolysis hydrogen production system and a carbon dioxide capture and storage system;

The ion membrane electrolysis hydrogen production system includes a saturated sodium chloride solution refining and concentrating device 1, a demineralized water adding device 2 prepared by hydrogen and caustic soda, a sodium chloride solution adding device 3, a demineralized water adding device prepared by hydrochloric acid 4, and demineralized water prepared by oxygen. Addition device 5, ion membrane electrolysis hydrogen production device 7, hydrogen gas collection and treatment device 8, sodium hydroxide solution collection and transportation device 9, sodium chloride dilute solution collection and transportation device 10, hydrochloric acid solution collection and transportation device 11 and oxygen collection and treatment device 12; The carbon dioxide capture and storage system includes a high carbon dioxide content gas collection and transportation device 13, a carbon dioxide capture device 14, a sodium hydroxide solution storage and transportation device 15, a carbon dioxide separation device 16, a hydrochloric acid solution storage and transportation device 17 and a carbon dioxide collection and processing device 18;

The ion membrane electrolysis hydrogen production device 7 includes a negative electrode 19, a cation exchange membrane 20 prepared by sodium hydroxide, an anion exchange membrane 21, a cation exchange membrane 22 prepared by hydrochloric acid, and a positive electrode 23, wherein the positive electrode 23 and the negative electrode 19 are respectively distributed. connected with the new energy power generation device 6;

The inlet of the channel formed between the negative electrode 19 and the cation exchange membrane 20 prepared by sodium hydroxide is communicated with the outlet of the demineralized water adding device 2 prepared by hydrogen and caustic soda; the channel formed between the negative electrode 19 and the cation exchange membrane 20 prepared by sodium hydroxide The hydrogen outlet is communicated with the hydrogen collecting and processing device 8, and the sodium hydroxide solution outlet of the channel formed between the negative electrode 19 and the sodium hydroxide cation exchange membrane 20 is communicated with the sodium hydroxide solution collecting and conveying device 9;

The inlet of the channel formed between the cation exchange membrane 20 prepared by sodium hydroxide and the anion exchange membrane 21 is connected with the outlet of the sodium chloride solution adding device 3, and the channel formed between the cation exchange membrane 20 and the anion exchange membrane 21 prepared by sodium hydroxide The outlet of the channel is communicated with the inlet of the sodium chloride dilute solution collecting and conveying device 10;

The inlet of the channel formed between the anion exchange membrane 21 and the cation exchange membrane 22 prepared from hydrochloric acid is communicated with the outlet of the demineralized water adding device 4 prepared by hydrochloric acid; the outlet of the channel formed between the anion exchange membrane 21 and the cation exchange membrane 22 prepared from hydrochloric acid be communicated with the inlet of the hydrochloric acid solution collection and delivery device 11;

The inlet of the channel formed between the cation exchange membrane 22 prepared by hydrochloric acid and the positive electrode 23 is communicated with the inlet of the demineralized water adding device 5 prepared by oxygen, and the outlet of the channel formed between the cation exchange membrane 22 and the positive electrode 23 prepared by hydrochloric acid is collected and treated with oxygen. The device 12 is connected;

The outlet of the sodium hydroxide solution collecting and conveying device 9 is communicated with the inlet of the carbon dioxide capture device 14 through the sodium hydroxide solution storage and conveying device 15, and the outlet of the hydrochloric acid solution collecting and conveying device 11 is connected with the carbon dioxide separation device 16 through the hydrochloric acid solution storage and conveying device 17. The outlet of the high carbon dioxide content gas collection and conveying device 13 is communicated with the carbon dioxide capture device 14, the liquid outlet of the carbon dioxide capture device 14 is communicated with the inlet of the carbon dioxide separation device 16, and the carbon dioxide outlet of the carbon dioxide separation device 16 is communicated with The carbon dioxide collecting and processing device 18 is communicated, and the liquid outlet of the carbon dioxide separation device 16 is communicated with the liquid outlet of the sodium chloride dilute solution collecting and conveying device 10 and the inlet of the saturated sodium chloride solution refining and concentration device 1 .

The concrete working process of the present invention is:

When starting to produce hydrogen from new energy, the new energy power generation device 6 is connected to the negative electrode 19 and the positive electrode 23, and the demineralized water prepared by hydrogen and caustic soda is added to the device 2 to the channel formed between the negative electrode 19 and the cation exchange membrane 20 prepared from sodium hydroxide. Into the desalinated water, wherein the flow of the desalted water is adjusted according to the current density and the liquid concentration of the sodium hydroxide solution, the current density is controlled to be 3.0kA/m ² ~ 9.0kA/m ² , and the sodium hydroxide concentration is controlled to be about 1mol/L ; Sodium chloride solution adding device 3 feeds saturated sodium chloride solution into the channel formed between cation exchange membrane 20 and anion exchange membrane 21 prepared by sodium hydroxide, and demineralized water prepared by hydrochloric acid is added device 4 to anion exchange membrane 21 and anion exchange membrane 21. Demineralized water is passed into the channel formed between the cation exchange membranes 22 prepared by hydrochloric acid, wherein the concentration of hydrochloric acid is about 1 mol/L, and the demineralized water prepared by oxygen is added to the device 5 to prepare the channel formed between the cation exchange membrane 22 and the positive electrode 23 by the hydrochloric acid Introduce demineralized water;

The demineralized water is reduced to hydrogen at the negative electrode 19, and at the same time, hydroxide ions are generated. Under the action of the electric field, the sodium ions pass through the sodium hydroxide to prepare the cation exchange membrane 20 and combine with the hydroxide ions to form sodium hydroxide. The demineralized water is at the positive electrode 23. It is oxidized to oxygen, and hydrogen ions are generated at the same time. Under the action of the electric field, the generated hydrogen ions pass through hydrochloric acid to prepare the cation exchange membrane 22, and the chloride ions that pass through the anion exchange membrane 21 under the action of the electric field are combined into hydrochloric acid;

The generated hydrogen enters into the hydrogen collection and treatment device 8 for drying and compression storage, and the generated by-product oxygen enters into the oxygen collection and treatment device 12 for drying and compression storage;

The generated sodium hydroxide solution is transported by the sodium hydroxide solution collecting and conveying device 9 to the sodium hydroxide solution storage and conveying device 15 for storage, as the absorption liquid for carbon dioxide capture, and the generated hydrochloric acid solution is transported to the The hydrochloric acid solution is stored in the storage and conveying device 17 as a separation liquid for carbon dioxide separation;

The ion-exchanged sodium chloride dilute solution is recovered in the saturated sodium chloride solution refining and concentrating device 1 by the sodium chloride dilute solution collecting and conveying device 10 for refining and concentration;

When carbon dioxide capture is required, the sodium hydroxide solution storage and delivery device 15 transports the sodium hydroxide solution to the carbon dioxide capture device 14, and the gas with high carbon dioxide content and the sodium hydroxide solution in the carbon dioxide capture device 14 operate in a countercurrent manner , control the delivery flow of sodium hydroxide solution, so that excess carbon dioxide reacts with sodium hydroxide solution to generate sodium bicarbonate solution to remove carbon dioxide, and the gas with low residual carbon dioxide content is directly discharged;

The hydrochloric acid solution storage and conveying device 17 transports the hydrochloric acid solution to the carbon dioxide separation device 16, and in the carbon dioxide separation device 16, the sodium bicarbonate solution and the hydrochloric acid solution produced by the carbon dioxide capture device 14 are operated in a countercurrent manner, and the conveying flow of the hydrochloric acid solution is controlled, so that The sodium bicarbonate solution completely reacts with hydrochloric acid to generate sodium chloride solution and carbon dioxide, wherein, by monitoring the pH value of the hydrochloric acid flow path, when the pH is close to 7.0, the hydrochloric acid completely reacts with the sodium bicarbonate solution, in addition, the generated chloride The sodium solution is refluxed to the saturated sodium chloride solution refining and concentrating device 1 for refining and concentration, and the generated carbon dioxide enters the carbon dioxide collection and processing device 18 for drying and compression storage.

The new energy power generation device 6 is a power source for producing hydrogen by electrolysis, and the power generation method can be wind power generation, photovoltaic power generation, and tidal power generation.

Claims (6)

1. a system of new energy hydrogen production and carbon dioxide capture coupling application, is characterized in that, comprises new energy power generation device (6), ion membrane electrolysis hydrogen production system and carbon dioxide capture, storage system, wherein, ion membrane electrolysis system The hydrogen system comprises a saturated sodium chloride solution refining and concentrating device (1), a demineralized water adding device (2) prepared by hydrogen and caustic soda, a sodium chloride solution adding device (3), a demineralized water adding device (4) prepared by hydrochloric acid, and oxygen Prepared demineralized water adding device (5), ion membrane electrolysis hydrogen production device (7), hydrogen gas collecting and processing device (8), sodium hydroxide solution collecting and conveying device (9), sodium chloride dilute solution collecting and conveying device (10) and a hydrochloric acid solution collecting and conveying device (11); the ion membrane electrolysis hydrogen production device (7) comprises a negative electrode (19), a cation exchange membrane (20) prepared by sodium hydroxide, an anion exchange membrane (21), a hydrochloric acid preparation a cation exchange membrane (22) and a positive electrode (23), wherein the positive electrode (23) and the negative electrode (19) are respectively connected to the new energy power generation device (6); The inlet of the channel formed between the negative electrode (19) and the cation exchange membrane (20) prepared by sodium hydroxide is communicated with the outlet of the demineralized water adding device (2) prepared by hydrogen and caustic soda; the negative electrode (19) is connected with the sodium hydroxide to prepare cations The hydrogen outlet of the channel formed between the exchange membranes (20) is communicated with the hydrogen collecting and processing device (8), and the sodium hydroxide solution outlet of the channel formed between the negative electrode (19) and the sodium hydroxide preparation cation exchange membrane (20) Be communicated with the sodium hydroxide solution collecting and conveying device (9); The inlet of the channel formed between the cation exchange membrane (20) and the anion exchange membrane (21) prepared by sodium hydroxide is communicated with the outlet of the sodium chloride solution adding device (3), and the cation exchange membrane (20) prepared by sodium hydroxide is connected with the outlet of the sodium chloride solution adding device (3). The outlet of the channel formed between the anion exchange membranes (21) is communicated with the inlet of the sodium chloride dilute solution collecting and conveying device (10); The inlet of the channel formed between the anion exchange membrane (21) and the cation exchange membrane prepared by hydrochloric acid (22) is communicated with the outlet of the demineralized water adding device (4) prepared by hydrochloric acid; the anion exchange membrane (21) and the cation exchange membrane prepared by hydrochloric acid are connected The outlet of the channel formed between (22) is communicated with the inlet of the hydrochloric acid solution collecting and conveying device (11); The inlet of the channel formed between the cation exchange membrane (22) prepared by hydrochloric acid and the positive electrode (23) is communicated with the inlet of the demineralized water adding device (5) prepared by oxygen; The outlet of the sodium hydroxide solution collecting and conveying device (9) and the outlet of the hydrochloric acid solution collecting and conveying device (11) are communicated with the inlet of the carbon dioxide capture and storage system. 2. The system for coupling application of new energy hydrogen production and carbon dioxide capture according to claim 1, wherein the carbon dioxide capture and storage system comprises a high carbon dioxide content gas collection and delivery device (13), a sodium hydroxide solution Storage and conveying device (15), hydrochloric acid solution storage and conveying device (17), carbon dioxide capture device (14), carbon dioxide separation device (16) and carbon dioxide collection and processing device (18); The outlet of the sodium hydroxide solution collection and delivery device (9) is communicated with the inlet of the sodium hydroxide solution storage and delivery device (15), and the outlet of the sodium hydroxide solution storage and delivery device (15) is connected with the inlet of the carbon dioxide capture device (14). Connected, the outlet of the hydrochloric acid solution collection and delivery device (11) is communicated with the inlet of the hydrochloric acid solution storage and delivery device (17), and the outlet of the hydrochloric acid solution storage and delivery device (17) is communicated with the inlet of the carbon dioxide separation device (16); The outlet of the carbon dioxide content gas collection and conveying device (13) is communicated with the carbon dioxide capture device (14), the liquid outlet of the carbon dioxide capture device (14) is communicated with the carbon dioxide separation device (16), and the carbon dioxide of the carbon dioxide separation device (16) is communicated with The outlet communicates with the carbon dioxide collection and processing device (18). 3. the system of new energy hydrogen production according to claim 2 and carbon dioxide spread coupling application, it is characterized in that, the liquid outlet of the liquid outlet of carbon dioxide separation device (16) and the liquid outlet of sodium chloride dilute solution collection conveying device (10) It is communicated with the inlet of the saturated sodium chloride solution refining and concentration device (1). 4. The system for coupling application of new energy hydrogen production and carbon dioxide spreading according to claim 1, wherein the ion membrane electrolysis hydrogen production system further comprises an oxygen collection and treatment device (12); hydrochloric acid prepares a cation exchange membrane (22) The outlet of the channel formed with the positive electrode (23) is communicated with the oxygen collection and treatment device (12). 5. a method for coupling application of new energy production of hydrogen and carbon dioxide deposition, is characterized in that, based on the system of new energy production of hydrogen and carbon dioxide deposition coupling application according to claim 2, comprising the following steps: The new energy power generation device (6) is used to supply power to the negative electrode (19) and the positive electrode (23), and the demineralized water prepared by hydrogen and caustic soda is added to the device (2) between the negative electrode (19) and the cation exchange membrane (20) prepared by sodium hydroxide. Demineralized water is introduced into the formed channel, and the sodium chloride solution adding device (3) is introduced into the channel formed between the cation exchange membrane (20) and the anion exchange membrane (21) for preparing sodium hydroxide, and saturated sodium chloride solution is introduced into the channel, The demineralized water adding device (4) prepared by hydrochloric acid feeds demineralized water into the channel formed between the anion exchange membrane (21) and the cation exchange membrane (22) prepared by hydrochloric acid, and the demineralized water adding device (5) prepared by oxygen is added to the hydrochloric acid Demineralized water is introduced into the channel formed between the cation exchange membrane (22) and the positive electrode (23); The demineralized water is reduced to hydrogen at the negative electrode (19), and at the same time, hydroxide ions are generated. Under the action of the electric field, the sodium ions pass through the sodium hydroxide to prepare a cation exchange membrane (20) and combine with the hydroxide ions to generate sodium hydroxide. At the positive electrode (23), it is oxidized to oxygen, and at the same time, hydrogen ions are generated. Under the action of the electric field, the generated hydrogen ions pass through hydrochloric acid to prepare the cation exchange membrane (22) and the chloride ions that pass through the anion exchange membrane (21) under the action of the electric field. combined into hydrochloric acid; The generated hydrogen enters into the hydrogen collecting and processing device (8) for drying and compression storage; The generated sodium hydroxide solution is transported to the sodium hydroxide solution storage and transport device (15) by the sodium hydroxide solution collection and transport device (9) for storage, and the generated hydrochloric acid solution is transported to the hydrochloric acid solution by the hydrochloric acid solution collection and transport device (11). storage in the storage conveyor (17); The ion-exchanged sodium chloride dilute solution is recovered in the saturated sodium chloride solution refining and concentrating device (1) by the sodium chloride dilute solution collecting and conveying device (10) for refining and concentration; When carbon dioxide capture is required, the sodium hydroxide solution storage and delivery device (15) transports the sodium hydroxide solution to the carbon dioxide capture device (14), and the gas with high carbon dioxide content in the carbon dioxide capture device (14) is mixed with hydrogen peroxide. The sodium solution is operated in a countercurrent mode, and by controlling the delivery flow of the sodium hydroxide solution, the excess carbon dioxide reacts with the sodium hydroxide solution to generate a sodium bicarbonate solution to remove carbon dioxide; The hydrochloric acid solution storage and delivery device (17) transports the hydrochloric acid solution to the carbon dioxide separation device (16), and the sodium bicarbonate solution and the hydrochloric acid solution produced by the carbon dioxide capture device (14) in the carbon dioxide separation device (16) are operated in countercurrent mode, Control the delivery flow of the hydrochloric acid solution, so that the sodium bicarbonate solution is completely reacted with hydrochloric acid to generate a sodium chloride solution and carbon dioxide, wherein, the generated sodium chloride solution is returned to the saturated sodium chloride solution refining and concentrating device (1) for refining and Concentrated, the generated carbon dioxide is sent to a carbon dioxide collection and processing device (18) for drying and compression storage. 6. The method for coupled application of new energy hydrogen production and carbon dioxide deposition according to claim 5, characterized in that, the power generation mode of the new energy power generation device (6) is wind power generation, photovoltaic power generation or tidal power generation.

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