CN217490375U - Piston type carbon dioxide air trapping device - Google Patents
Piston type carbon dioxide air trapping device Download PDFInfo
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- CN217490375U CN217490375U CN202221662803.XU CN202221662803U CN217490375U CN 217490375 U CN217490375 U CN 217490375U CN 202221662803 U CN202221662803 U CN 202221662803U CN 217490375 U CN217490375 U CN 217490375U
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- carbon dioxide
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Abstract
The utility model discloses a piston type carbon dioxide air trapping device, which regenerates CO by a wet method 2 Adsorption membrane module for driving piston head and CO 2 Piston rod for adsorbing membrane component movement and for fixing CO 2 Piston head of adsorption membrane module, cylindrical cavity for providing desorption space, air pump for vacuumizing, and method for storing CO 2 The circulating water supply tank is used for increasing the humidity of the material, and the gas pipeline and the valve are arranged on the circulating water supply tank. The utility model is a wet method for regenerating CO 2 The adsorption film provides an external drying structure which is unfolded and arranged, and CO is desorbed 2 The adsorption film can be tightenedClosely arranged in a desorption space without air, and high concentration CO can be obtained after desorption 2 A gas.
Description
Technical Field
The utility model relates to a carbon dioxide gas entrapment technical field, concretely relates to piston carbon dioxide air entrapment device.
Background
Since the industrial revolution, the burning of a large amount of fossil fuels has led to a continuous increase in the carbon dioxide content of the atmosphere, posing a dual climate and ecological threat to the global environment. Control of carbon emissions has become a common general public, including increasing power generation efficiency, the use of renewable energy sources, and carbon dioxide capture, utilization, and sequestration technologies. The carbon dioxide air direct capture technology is directed to directly capture carbon dioxide from air, control the carbon dioxide concentration in the atmosphere, and achieve negative carbon dioxide emission, and is considered to be an effective way to cope with carbon emission from mobile sources and small-sized emission sources.
In recent years, wet regeneration of CO 2 Adsorbents are under considerable research and development. When the adsorbent is placed in a dry environment, the material can automatically adsorb carbon dioxide in ambient air; after the material is wetted, the material can spontaneously release the carbon dioxide adsorbed by the material, so that the regeneration of the adsorbent is realized.
In order to make the wet method regenerate CO 2 The adsorbent obtains better drying and adsorbing effects, and the materials need to have certain intervals when being aired. At the same time, in order to obtain a high concentration of CO 2 The efficiency of trapping is improved, and the separation distance of the materials is required to be reduced during desorption, so that more materials are placed in a limited volume as much as possible, which forms a contradiction.
Disclosure of Invention
In order to solve the problems existing in the prior art, the utility model aims to provide a piston type carbon dioxide air trapping device for regenerating CO by a wet method 2 The adsorption film provides an external drying structure which is unfolded and arranged, and CO is desorbed 2 The adsorption film can be closely arranged in a desorption space without air, and high-concentration CO can be obtained after the desorption is finished 2 A gas.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a piston type carbon dioxide air trapping device comprises a piston rod and a piston head suspended below the piston rod, wherein CO is fixed at the lower part of the piston head 2 Adsorption Membrane Module, CO 2 The lower part of the adsorption membrane component is provided withCylindrical cavity, CO 2 The adsorption membrane assembly can realize the extrusion arrangement in the cylindrical cavity for desorption or the expansion arrangement in the external space for airing by pulling the piston rod up and down, the water inlet of the cylindrical cavity is connected to the circulating water supply tank by a first switch valve, the gas outlet of the cylindrical cavity is provided with a second switch valve, and the second switch valve is connected with a fifth switch valve by an air pump and is used for storing CO 2 The air pump also vacuumizes the air storage tank through a third switch valve and a fourth switch valve.
Preferably, CO 2 The adsorption membrane component has multiple forms, the utility model selects to connect the multi-piece wet regeneration CO through 3 hanging ropes 2 The distance between the adsorption films can be adjusted by the length of the hanging rope between the films.
Further preferably, CO 2 The adsorption membrane component can pass in and out the cylindrical cavity in multiple modes, the utility model discloses select to pass through the string rope with CO 2 The adsorption membrane assembly is connected to the bottom of the piston head, and CO is realized by pulling the piston 2 The adsorption membrane component enters and exits the cylindrical cavity.
Further preferably, CO 2 The adsorption film has multiple functions, the utility model selects the polyethylene heterogeneous anion exchange resin film loaded with carbonate, which can absorb CO in the dry environment 2 Releasing CO in a humid environment 2 。
Further preferably, CO 2 The dry adsorption mode of the adsorption film has multiple functions, the utility model discloses a through pulling the piston rod with CO 2 Adsorption film is drawn away from the cylindrical cavity, CO 2 The adsorption film is unfolded and arranged outdoors for airing and drying, and CO is simultaneously finished 2 The adsorption process can reduce energy consumption.
Further preferred, the last water regime of circulation feed water tank has a plurality ofly, the utility model discloses a pulling piston rod makes and forms the negative pressure in the cylindrical cavity, and then with the cylindrical cavity of water suction of circulation feed water tank, pushes down the piston rod and can discharge water.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model can effectively solve the problems of the prior art,i.e. CO, on dry adsorption 2 The adsorption film is in an unfolded state, the distance between the films is large, the drying is facilitated, and CO is adsorbed during desorption 2 The adsorption film is in an extrusion laminating state in the cylindrical cavity, and CO can be realized 2 The adsorption film is desorbed in an air-free atmosphere.
2. The water inlet and the water outlet in the cylindrical cavity can be realized by pulling and pressing the piston rod, and the use is convenient.
Drawings
Fig. 1 is a schematic structural view of the piston-type carbon dioxide air trapping device of the present invention.
Detailed Description
In order to make the technical content, the achieved objects, effects and advantages of the present invention clearer, the following description is made with reference to the accompanying drawings in combination with the embodiments.
As shown in figure 1, the utility model relates to a piston type carbon dioxide air trapping device, which comprises a piston rod, a piston head and CO 2 The adsorption membrane component, the cylindrical cavity, the circulating water supply tank, the air pump, the air storage tank, the pipeline and the valve. The piston head 3 is suspended below the piston rod 2, and CO is fixed at the lower part of the piston head 3 2 Adsorption Membrane Module 1, CO 2 A cylindrical cavity 4, CO, is arranged at the lower part of the adsorption membrane component 1 2 The adsorption membrane assembly 1 can be extruded and arranged in the cylindrical cavity 4 for desorption or unfolded and arranged in an external space for airing by pulling the piston rod 2 up and down, the water inlet of the cylindrical cavity 4 is connected with the first switch valve 8 for the circulating water supply tank 5, the gas outlet of the cylindrical cavity 4 is provided with the second switch valve 9, and the second switch valve 9 is connected with the fifth switch valve 12 through the air pump 6 for storing CO 2 The air storage tank 7 and the air pump 6 can also vacuumize the air storage tank 7 through a third switch valve 10 and a fourth switch valve 11.
As a preferred embodiment of the present invention, the CO 2 The adsorption membrane component 1 is connected and fixed at the bottom of the piston head 3 by 3 hanging ropes.
As a preferred embodiment of the present invention, the CO 2 The adsorption membrane component 1 is connected with a plurality of pieces of wet-process regenerated CO through 3 hanging ropes 2 Adsorption filmThe films are connected through hanging ropes, and the distance can be adjusted through the length of the hanging ropes.
As a preferred embodiment of the present invention, the CO 2 The adsorption membrane module 1 adopts a drying and adsorption mode of outdoor natural drying, and CO is used for drying 2 The adsorption membrane module 1 is in an expanded state, and the membrane-to-membrane distance is large.
As a preferred embodiment of the present invention, a heterogeneous anion exchange resin film of carbonate-loaded polyethylene is selected, which can absorb CO in a dry environment 2 Releasing CO in a humid environment 2 。
As a preferred embodiment of the present invention, the water of the circulating water supply tank 5 is introduced into or discharged from the cylindrical chamber 4 by pulling up or pressing down the piston rod 2.
As shown in figure 1, the utility model discloses a piston carbon dioxide air trapping device. The piston rod 2, the piston head 3 and the adsorption saturated CO fixed at the bottom of the piston rod 2 The adsorption membrane component 1 is pulled out of the cylindrical cavity 4 to the outside air environment for drying in the sun, CO 2 The adsorption membrane module 1 completes CO in the drying process 2 And (4) adsorbing. And opening the third switch valve 10 and the fourth switch valve 11, closing the first switch valve 8, the second switch valve 9 and the fifth switch valve 12, opening the air pump 6, completely pumping out the air in the air storage tank 7, and closing the third switch valve 10, the fourth switch valve 11 and the air pump 6. The piston rod 2, the piston head 3 and the adsorption-saturated CO fixed at the bottom thereof 2 The adsorption membrane assembly 1 is placed in the cylindrical cavity 4, the first switch valve 8 is opened, the cylindrical cavity 4 is communicated with the circulating water supply tank 5, the piston rod 2 is pulled to drive the piston head 3 to move upwards, water in the circulating water supply tank 5 is pumped into the cylindrical cavity 4, and at the moment, CO fixed on the piston head 3 2 The adsorption film is wetted and then the piston rod 2 is pressed down to discharge the water into the circulating water supply tank 5, CO 2 The adsorption membrane module 1 starts desorbing carbon dioxide. And (3) closing the first switch valve 8, opening the second switch valve 9, the fifth switch valve 12 and the air pump 6, and conveying the carbon dioxide in the cylindrical cavity 4 through the air pump 6 and storing the carbon dioxide in the air storage tank 7. Thus completing a cycle of carbon dioxide captureAnd (4) circulating the process, and repeatedly performing the process to realize the capture of carbon dioxide from the air.
From the above description, it can be seen that the following technical effects are achieved in the above embodiments of the present invention: the piston type carbon dioxide air trapping device effectively solves the current technical problem, and CO is adsorbed in a drying way 2 The adsorption film is in an unfolded state, the distance between the films is large, the drying is facilitated, and CO is adsorbed during desorption 2 The adsorption film is in an extrusion laminating state in the cylindrical cavity, and CO can be realized 2 The adsorption film is desorbed in an airless atmosphere, and water inlet and outlet in the cylindrical cavity can be realized by pulling and pressing the piston rod, so that the adsorption film is convenient to use.
The above-mentioned embodiments are only for illustrating the technical idea and features of the present invention, and the purpose is to let the person familiar with the technology implement the present invention, and what needs to be proposed is that the ordinary skilled person in the art can not make creative work, and within the principle of the present invention, it is only right that the present invention carries out all embodiments obtained by certain improvement, and all belong to the protection scope of the present invention.
Claims (2)
1. A piston carbon dioxide air entrapment device which characterized in that: comprises a piston rod (2) and a piston head (3) suspended below the piston rod (2), wherein CO is fixed at the lower part of the piston head (3) 2 Adsorption membrane module (1), CO 2 A cylindrical cavity (4) is arranged at the lower part of the adsorption membrane component (1), CO 2 The adsorption membrane assembly (1) can be extruded and arranged in a cylindrical cavity (4) to desorb or be unfolded and arranged in an external space to air by pulling a piston rod (2) up and down, a first switch valve (8) is used for connecting a water inlet of the cylindrical cavity (4) to a circulating water supply tank (5), a second switch valve (9) is arranged at a gas outlet of the cylindrical cavity (4), and the second switch valve (9) is connected with a fifth switch valve (12) through a gas pump (6) and is used for storing CO 2 The air storage tank (7) of air, the air pump (6) still pass through third switch valve (10) and fourth switch valve (11) to the evacuation of air storage tank (7).
2. A piston-type carbon dioxide air capturing apparatus as set forth in claim 1, wherein: CO 2 2 The adsorption membrane component (1) is connected with the bottom of the piston head (3) through a hanging rope, and CO 2 The adsorption membrane component (1) regenerates CO by a plurality of pieces by a wet method 2 The adsorption film is connected with the film through a hanging rope, and the distance is adjusted through the length of the hanging rope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221662803.XU CN217490375U (en) | 2022-06-30 | 2022-06-30 | Piston type carbon dioxide air trapping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221662803.XU CN217490375U (en) | 2022-06-30 | 2022-06-30 | Piston type carbon dioxide air trapping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217490375U true CN217490375U (en) | 2022-09-27 |
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ID=83340361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221662803.XU Active CN217490375U (en) | 2022-06-30 | 2022-06-30 | Piston type carbon dioxide air trapping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217490375U (en) |
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2022
- 2022-06-30 CN CN202221662803.XU patent/CN217490375U/en active Active
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