CN217377326U - Distributed seawater carbon dioxide capture device - Google Patents
Distributed seawater carbon dioxide capture device Download PDFInfo
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- CN217377326U CN217377326U CN202220918638.3U CN202220918638U CN217377326U CN 217377326 U CN217377326 U CN 217377326U CN 202220918638 U CN202220918638 U CN 202220918638U CN 217377326 U CN217377326 U CN 217377326U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
- Y02C20/00—Capture or disposal of greenhouse gases
- Y02C20/40—Capture or disposal of greenhouse gases of CO2
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Abstract
The utility model discloses a distributed seawater carbon dioxide capture device, which comprises a reaction tank, a gas storage tank and a seawater standing pool; a rotary anode cylinder and a cathode cylinder are arranged inside the reaction tank from outside to inside, the rotary anode cylinder is driven to rotate along the central axis of the rotary anode cylinder, a stripping body is arranged on the inner wall of the reaction tank, a top cover of the reaction tank is provided with a hole and connected with a gas collecting pipeline, and the reaction tank is connected with a gas storage tank through the gas collecting pipeline; the reaction tank is connected with a water source through a seawater input pipeline, connected with a seawater standing pool through a seawater output pipeline and connected to an external soil sealing and burying area through a precipitation recovery pipeline. The utility model discloses utilize clean energy to carry out the entrapment to the carbon dioxide in the sea water, and then the carbon dioxide in the indirect entrapment air to utilize the accessory substance that the electrolysis produced, produce hydrogen, compare in traditional carbon entrapment device, this device efficiency is high, can use the multiclass energy including renewable energy, realized carbon dioxide's continuous processing.
Description
Technical Field
The utility model belongs to the technical field of the carbon neutralization, a distributing type sea water carbon dioxide entrapment device is related to particularly.
Background
In recent years, the concentration of carbon dioxide in air is increasing due to the massive combustion of fossil fuels, resulting in an increasing global warming problem. The country responds to the trend, setting down the "carbon neutralization" goal. However, under the existing energy structure and population scale, according to the existing function estimation, the aim of 'carbon neutralization' is difficult to achieve only by the enterprise emission limitation and the technology iterative upgrade to reduce the carbon emission, so that the introduction of an efficient and stable 'carbon capture' technology is imperative.
The existing carbon dioxide capture and separation methods comprise a solution absorption method, a solid adsorption method, a membrane separation method and the like, wherein the absorption method is most widely applied, but the energy consumption for regeneration of an absorption medium is high. And there is a large dispute over the impact of the media on the environment. The traditional carbon dioxide adsorption device mostly adopts a fixed bed, a rotating ring or a fluidized bed, and most of the capture objects are gases generated after the combustion of fossil fuel with the carbon dioxide concentration of 10% -30%. The cyclic operation method of the trapping device comprises pressure swing adsorption, temperature swing adsorption, humidity swing adsorption and the like. For the trap device in the form of a fixed bed, since adsorption and regeneration need to be performed independently, it is impossible to realize a continuous adsorption-regeneration process of a single fixed bed.
The existing carbon dioxide trapping technology has the great difficulty that the carbon source with high carbon content is treated, and in order to avoid energy consumption during the collection of the carbon source with high concentration, the treated gas is mostly factory flue gas. However, the ocean naturally dissolves a large amount of carbon dioxide, the raw materials are easy to obtain, the treatment energy efficiency can be greatly improved by utilizing the ocean clean energy, and research and report on a distributed system for capturing the carbon dioxide in the seawater medium are lacked at present.
SUMMERY OF THE UTILITY MODEL
The defect to carbon dioxide entrapment technique in this field, the utility model provides a distributing type sea water carbon dioxide entrapment device can absorb the carbon dioxide in the air and the huge reserves of carbon dioxide in the sea water according to the sea water, can directly carry out the entrapment to the carbon dioxide in the sea water to the realization is to the indirect entrapment of carbon dioxide in the air.
The utility model discloses a realize through following technical scheme:
a distributed seawater carbon dioxide capture device comprises a reaction tank, a gas storage tank and a seawater standing pool;
the reaction tank is internally provided with a rotary anode cylinder and a cathode cylinder from outside to inside, the rotary anode cylinder is driven to rotate along the central axis of the rotary anode cylinder, the inner wall of the reaction tank is provided with a stripping body for stripping precipitates attached to the rotary anode cylinder, a top cover of the reaction tank is provided with a hole and connected with a gas collecting pipeline, and the reaction tank is connected with a gas storage tank through the gas collecting pipeline;
the reaction tank is connected with a water source through a seawater input pipeline, the reaction tank is connected with a seawater standing pool through a seawater output pipeline, and the reaction tank is connected to an external soil sealing area through a precipitation recovery pipeline.
In the technical scheme, a motor for driving the rotary anode cylinder to rotate is arranged in the reaction tank.
In the above technical solution, the motor is connected to a wind power generation device, a tidal power generation device, or a solar power generation device.
In the technical scheme, the wall of the rotary anode cylinder is provided with meshes in the form of an electroactive medium-iron-based net.
In the above technical scheme, the cathode cylinder is made of graphite.
In the technical scheme, the input end of the seawater input pipeline is arranged in the bottom area between the rotary anode cylinder and the wall of the reaction tank in the reaction tank.
In the technical scheme, the output end of the seawater output pipeline is connected to the bottom of the cathode cylinder.
In the technical scheme, the gas collecting pipeline is provided with the condensing device and the drying device.
In the technical scheme, the top cover of the reaction tank is provided with a feeding port for feeding materials.
A use method of a distributed seawater carbon dioxide capture device comprises the following steps:
the sea water flows into the area between the rotary anode cylinder and the wall of the reaction tank cylinder through the sea water input pipeline, enters the sea water output pipeline through the upper part of the cathode cylinder, and is statically placed in the pool until the flow direction of the sea water is flowing, and in the process, the rotary anode cylinder and the cathode cylinder perform electrolytic treatment on the untreated sea water flowing through as two poles of an electrolytic reaction: firstly, in an anode area near a rotary anode cylinder, hydroxide radicals in added alkaline substances react with calcium ions in seawater and dissolved carbon dioxide gas to generate calcium carbonate solid precipitates which are attached to the rotary anode cylinder, the precipitates are stripped along with the rotation of the rotary anode cylinder, and the calcium carbonate solid precipitates are discharged to an external soil sealing area through a precipitation recovery pipeline; secondly, in a cathode area near the cathode cylinder, mixed gas of hydrogen and water vapor is generated through electrolysis, and hydrogen byproducts are obtained in a gas storage tank through a condensing device and a drying device on a gas collecting pipeline.
In the above technical solution, the alkaline substance is preferably lime.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses a distributing type sea water carbon dioxide entrapment device utilizes clean energy to carry out the entrapment to the carbon dioxide in the sea water, and then the carbon dioxide in the indirect entrapment air to utilize the accessory substance that the electrolysis produced, produce hydrogen, compare in traditional carbon entrapment device, the efficiency of this device is high, can use the multiclass energy including renewable energy, has realized the continuous processing of carbon dioxide.
Secondly, the energy used by the utility model is mainly clean energy, the economic benefit of the by-product is high, and the comprehensive energy utilization efficiency can reach 62.03%.
Thirdly, the utility model discloses the use has the cathode and anode material of good electrochemistry performance, and the gyration positive pole rotates with suitable rotational speed clockwise variable speed, and when positive pole iron-based net reached to be close to deposit and adhere to the state of saturation, after the separation is shelled to the retort inner wall, utilizes the sea water to deposit and discharge or seal up with the turbid liquid form with attaching to calcium carbonate, consequently can satisfy the requirement of continuous entrapment.
Fourthly, the utility model discloses use sea water self to regenerate adsorption equipment, the calcium carbonate solid that obtains after precipitating by the calcium carbonate turbid liquid that rushes out apparatus for producing can be utilized or sealed up and carry out the nature remineralization in the bottom of the earth.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic structural diagram (a) of a distributed seawater carbon dioxide capture device of the present invention.
Fig. 2 is a schematic structural diagram (ii) of the distributed seawater carbon dioxide capture device of the present invention.
FIG. 3 is a schematic view of the construction of the reaction tank.
FIG. 4 is a schematic structural view of a reaction tank and a gas collecting device.
Fig. 5 is a schematic structural view of a gas collecting device.
Reference numbers in the figures: the device comprises a reaction tank 1, a seawater input pipeline 2, a rotary anode cylinder 3, a cathode cylinder 4, a seawater output pipeline 5, a seawater standing pool 6, a gas collection pipeline 7, a gas storage tank 8, a precipitation recovery pipeline 9, a stripping body 10 and a wind driven generator 11.
For a person skilled in the art, other relevant figures can be obtained from the above figures without inventive effort.
Detailed Description
The present invention will be described in detail with reference to the following embodiments. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that various changes and modifications can be made by one skilled in the art without departing from the spirit of the invention. These all belong to the protection scope of the present invention.
Example 1
A distributed seawater carbon dioxide capture device comprises a reaction tank 1, a gas storage tank 8 and a seawater standing pool 6;
a rotary anode cylinder 3 and a cathode cylinder 4 are arranged inside the reaction tank 1 from outside to inside, the rotary anode cylinder 3 is driven to rotate along the central axis of the rotary anode cylinder 3, a stripping body 10 used for stripping precipitates attached to the rotary anode cylinder 1 is arranged on the inner cylinder wall of the reaction tank 1, a top cover of the reaction tank 1 is provided with a hole and is connected with a gas collecting pipeline 7, and the reaction tank 1 is connected with a gas storage tank 8 through the gas collecting pipeline 7;
the reaction tank 1 is connected with a water source through a seawater input pipeline 2, the reaction tank 1 is connected with a seawater standing pool 6 through a seawater output pipeline 5, and the reaction tank 1 is connected to an external soil sealing area through a precipitation recovery pipeline 9.
In this embodiment, the wall of the rotary anode cylinder 3 is provided with meshes, and the form of an electroactive medium-iron-based net is adopted to increase the reaction contact area and the attachment area, so that the rotary anode cylinder 3 rotates clockwise at a speed related to the water inflow of the seawater input pipeline 2. The cathode cylinder 4 is made of graphite.
In this embodiment, the input end of the seawater input pipeline 2 is arranged in the bottom area between the rotary anode cylinder 3 and the wall of the reaction tank 1 in the reaction tank 1; the output end of the seawater output pipeline 5 is connected to the bottom of the cathode cylinder 4.
In this embodiment, a condensing device and a drying device are disposed on the gas collecting duct 7.
In this embodiment, the top of the reaction tank 1 is provided with a feeding port for feeding an alkaline substance such as lime into the reaction tank.
When the distributed seawater carbon dioxide capture device in the embodiment is used:
seawater flows into the area between the rotary anode cylinder and the wall of the reaction tank cylinder through the seawater input pipeline, enters the seawater output pipeline through the upper part of the cathode cylinder until flowing to the seawater standing pool, and in the process, the rotary anode cylinder and the cathode cylinder carry out electrolytic treatment on untreated seawater which flows through as two poles of the electrolytic reaction: firstly, in an anode area near a rotary anode cylinder, hydroxide radicals in added alkaline substances react with calcium ions in seawater and dissolved carbon dioxide gas to generate calcium carbonate solid precipitates which are attached to the rotary anode cylinder, the precipitates are stripped along with the rotation of the rotary anode cylinder, and the calcium carbonate solid precipitates are discharged to an external soil sealing area through a precipitation recovery pipeline; secondly, in a cathode area near the cathode cylinder, mixed gas of hydrogen and water vapor is generated through electrolysis, and hydrogen byproducts are obtained in a gas storage tank through a condensing device and a drying device on a gas collecting pipeline.
Example 2
On the basis of the above embodiment, a motor for driving the rotary anode cylinder to rotate is provided in the reaction tank 1; the motor is connected with a wind power generation device, a tidal power generation device or a solar power generation device. The motor drives the rotary anode cylinder 3 to rotate at a proper rotating speed at a variable speed, the sediment attached to the rotary anode cylinder is stripped through the stripping body on the inner wall of the reaction container every circle of rotation, the stripped sediment and the sediment separated out from the solution reach dynamic balance after stabilization, and the sediment attached to calcium carbonate is flushed out in a suspension form by using seawater after rotation acceleration.
Compared with the traditional carbon dioxide trapping device, the device saves the energy loss of the middle low-concentration carbon source for enriching the high-concentration carbon source, realizes the uninterrupted trapping and byproduct regeneration processes, and has the advantages of simple system structure, convenient use, low energy consumption and high energy efficiency; compare traditional runner or rotating ring formula carbon dioxide entrapment device, this device utilizes the sea water as natural intermediate medium, utilizes the carbon dioxide of handling the sea water to come indirect realization to the entrapment of carbon dioxide in the air, can solve sea water acidification and greenhouse effect problem simultaneously.
The invention has been described above by way of example, and it should be noted that any simple variants, modifications or other equivalent substitutions by a person skilled in the art without spending creative effort may fall within the scope of protection of the present invention without departing from the core of the present invention.
Claims (9)
1. The utility model provides a distributing type sea water carbon dioxide entrapment device which characterized in that: comprises a reaction tank, a gas storage tank and a seawater standing pool;
a rotary anode cylinder and a cathode cylinder are arranged inside the reaction tank from outside to inside, the rotary anode cylinder is driven to rotate along the central axis of the rotary anode cylinder, a stripping body used for stripping precipitates attached to the rotary anode cylinder is arranged on the wall of the reaction tank, a top cover of the reaction tank is provided with a hole and is connected with a gas collecting pipeline, and the reaction tank is connected with a gas storage tank through the gas collecting pipeline;
the reaction tank is connected with a water source through a seawater input pipeline, the reaction tank is connected with a seawater standing pool through a seawater output pipeline, and the reaction tank is connected to an external soil sealing area through a precipitation recovery pipeline.
2. The distributed seawater carbon dioxide capture device of claim 1, wherein: and a motor for driving the rotary anode cylinder to rotate is arranged in the reaction tank.
3. A distributed seawater carbon dioxide capture plant as claimed in claim 2 wherein: the motor is connected with a wind power generation device, a tidal power generation device or a solar power generation device.
4. The distributed seawater carbon dioxide capture device of claim 1, wherein: the wall of the rotary anode cylinder is provided with meshes in the form of an electroactive medium-iron-based net.
5. The distributed seawater carbon dioxide capture device of claim 1, wherein: the cathode cylinder is made of graphite.
6. The distributed seawater carbon dioxide capture device of claim 1, wherein: the input end of the seawater input pipeline is arranged in the bottom area between the rotary anode cylinder and the wall of the reaction tank in the reaction tank.
7. The distributed seawater carbon dioxide capture device of claim 1, wherein: the output end of the seawater output pipeline is connected to the bottom of the cathode cylinder.
8. The distributed seawater carbon dioxide capture device of claim 1, wherein: and a condensing device and a drying device are arranged on the gas collecting pipeline.
9. The distributed seawater carbon dioxide capture device of claim 1, wherein: the top cover of the reaction tank is provided with a feeding port for feeding materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220918638.3U CN217377326U (en) | 2022-04-20 | 2022-04-20 | Distributed seawater carbon dioxide capture device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202220918638.3U CN217377326U (en) | 2022-04-20 | 2022-04-20 | Distributed seawater carbon dioxide capture device |
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| CN217377326U true CN217377326U (en) | 2022-09-06 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114853047A (en) * | 2022-04-20 | 2022-08-05 | 天津大学 | Distributed seawater carbon dioxide capture device and use method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114853047A (en) * | 2022-04-20 | 2022-08-05 | 天津大学 | Distributed seawater carbon dioxide capture device and use method thereof |
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