CN115301039A - High-efficiency carbon dioxide recycling regeneration capture device and method for capturing carbon dioxide - Google Patents

Abstract

The application provides a high-efficiency carbon dioxide recycling and regenerating capturing device and a method for capturing carbon dioxide, and belongs to the field of carbon dioxide capturing. A high-efficiency continuous carbon dioxide capture device comprises a main box body, a lifting bracket, a carrying frame, a humidifying unit and a storage unit. The method for capturing carbon dioxide employs the above-described efficient continuous carbon dioxide capturing apparatus. After absorbing carbon dioxide, the adsorption unit of the carrying frame can directly descend into the main box body, the main box body is sealed through the cover plate, then the humidification unit is used for humidifying the adsorption unit, so that the carbon dioxide is released into the sealed main box body, finally the storage unit is used for absorbing and storing the carbon dioxide in the main box body, then the carrying frame is lifted, so that the adsorption unit is lifted out of the main box body, and the carbon dioxide is adsorbed again, so that automation can be realized, and large-scale popularization and application are facilitated; and the sealing effect is good, the leakage of carbon dioxide released by the adsorption unit is avoided, and the capture efficiency is ensured.

Description

High-efficiency carbon dioxide cycle regeneration capture device and method for capturing carbon dioxide

technical field

The present application belongs to the technical field of carbon dioxide capture, and more specifically relates to a high-efficiency carbon dioxide cycle regeneration capture device and a method for capturing carbon dioxide.

Background technique

As a major carbon dioxide emitter, China is actively fulfilling its responsibilities as a major country, making every effort to reduce carbon emissions and achieve the goal of "double carbon". Now there are great prospects for the development of carbon dioxide emission reduction, capture, utilization and storage technologies.

The high energy consumption of the capture system is currently a major factor limiting the application and promotion of air carbon dioxide capture technology. The wet regeneration technology utilizes the free energy of evaporation of water to regenerate the adsorbent, that is, when the adsorbent is in a dry environment or the concentration of water vapor is low, the basic groups on the adsorbent interface adsorb carbon dioxide in the atmosphere, and when the adsorbent interface is in the water vapor In a high-concentration environment or when soaked in water, the adsorbed carbon dioxide is gradually desorbed to realize the regeneration cycle of the adsorbent. Humidity-variable regenerative adsorption technology breaks through the limitation of conventional temperature-swing/pressure-swing adsorption technology at ultra-low partial pressure and high energy consumption demand from the thermodynamic level, and will solve the problem of high energy consumption of the system in the application process of air carbon dioxide capture technology.

At present, the carbon dioxide capture device using the humidity-changing regenerative adsorption technology generally replaces the new adsorption unit directly after the adsorption unit absorbs carbon dioxide, and then sends the old adsorption unit to a fixed release area to get wet and release carbon dioxide. The whole process is very simple. It is cumbersome and difficult to promote and apply on a large scale.

Contents of the invention

In view of this, the embodiment of the present application provides a high-efficiency carbon dioxide recycling capture device and a method for capturing carbon dioxide, so as to solve the technical problem that the carbon dioxide capture device in the prior art is cumbersome to use, making it difficult to popularize and apply it on a large scale .

In order to achieve the above object, the technical scheme adopted by the application is:

In one aspect, a high-efficiency continuous carbon dioxide capture device is provided, comprising:

The main box is provided with a sealing groove on the top surface, a plurality of insertion openings are provided on the bottom surface of the sealing groove, and a hollow sealing ring is arranged along the inner peripheral wall of the sealing groove;

A lifting bracket is arranged above the main box, and the lifting bracket forms a lifting space opposite to a plurality of the insertion ports;

The carrying frame is located in the lifting space and is connected up and down with the lifting support. The carrying frame includes a cover plate and a plurality of adsorption units arranged under the cover plate. The adsorption units are connected to the insertion port. On the other hand, the carrying frame can be lowered, so that the adsorption unit can be inserted into the main box from the corresponding insertion port, and the cover plate can be embedded in the sealing groove, and the sealing ring can be inflated , filling and sealing the gap between the outer peripheral wall of the cover plate and the inner peripheral wall of the sealing groove, so that the cover plate seals each of the insertion ports;

a humidifying unit for humidifying the adsorption unit inserted into the main case; and

The storage unit communicates with the main tank and is suitable for extracting and storing the gas in the main tank, and the storage unit is also provided with an exhaust valve.

In some embodiments, the adsorption unit is in the shape of a vertical plate, and the insertion opening is a horizontal long hole matching the adsorption unit; each of the adsorption units is parallel to each other and arranged separately, each of the The adsorption material of the adsorption unit is wave-shaped.

In some embodiments, the adsorption material of the adsorption unit is a carbon dioxide adsorbent with a quaternary ammonium-based strong base anion exchange resin as a functional group.

In some embodiments, the storage unit is fixed on one side of the bottom of the main box, and the bottom of the main box and the storage unit are respectively provided with moving rollers.

In some embodiments, the storage unit includes:

an outer cylinder, one end of which is butted on the side wall of the main box; and

a piston, arranged in the outer cylinder, and divides the outer cylinder into a suction cavity adjacent to the main box and a storage cavity away from the main box;

The side wall of the main box is provided with a first one-way valve leading to the suction chamber, and the piston is provided with a second one-way valve leading from the suction chamber to the storage chamber. valve, and the exhaust valve communicates with the storage cavity.

In some embodiments, the humidifying unit is an ultrasonic humidifier installed at the bottom of the main box, and a drain pipe is also provided at the bottom of the main box.

In some embodiments, the lifting stand includes:

Two side frames are respectively arranged on both sides of the top of the main box, forming the lifting space in the middle, and each of the side frames is provided with a first fixed pulley block;

The crossbeam is erected on the top of the two side frames and provided with a second fixed pulley block;

One side of the main box is provided with a winding mechanism, and the ropes of the winding mechanism go around the second fixed pulleys and then respectively go around two sets of the first fixed pulleys and connect to both sides of the carrying frame.

In some embodiments, the high-efficiency continuous carbon dioxide capture device is further provided with an air pump connected to the sealing ring.

The beneficial effect of the high-efficiency and continuous carbon dioxide capture device provided by the embodiment of the present application is that compared with the prior art, the high-efficiency and continuous carbon dioxide capture device of the embodiment of the present application can directly drop down after the adsorption unit equipped with the frame absorbs carbon dioxide. into the main box, and seal the main box through the cover plate, then use the humidification unit to humidify the adsorption unit, so as to release the carbon dioxide into the closed main box, and finally use the storage unit to absorb and store the carbon dioxide in the main box, and then The carrying frame is raised to lift the adsorption unit out of the main box and start to absorb carbon dioxide again. The entire adsorption and regeneration process can be automated, which is conducive to large-scale application; moreover, this application uses a hollow sealing ring to inflate to make the cover plate and the sealing The grooves are sealed, so that each of the insertion ports is sealed, and the sealing effect is good, which prevents the carbon dioxide released from the adsorption unit from leaking and ensures the capture efficiency.

Another technical solution adopted by the present application is to provide a method for capturing carbon dioxide, using the high-efficiency continuous carbon dioxide capture device described in any one of the above, specifically comprising the following steps:

The carrying frame rises, so that the adsorption unit rises out of the main box to absorb carbon dioxide;

The carrying frame is lowered, so that the adsorption unit adsorbed with carbon dioxide is inserted into the main box from the insertion port, and the cover plate seals each of the insertion ports;

The storage unit extracts the air in the sealed main box and discharges the air through the exhaust valve;

The humidification unit humidifies the adsorption unit in the main box, so that the adsorption unit releases carbon dioxide;

The storage unit extracts and stores the carbon dioxide released from the adsorption unit in the main box.

In some embodiments, the storage unit is fixed on one side of the bottom of the main box, and the bottom of the main box and the storage unit are provided with moving rollers;

After the storage unit extracts and stores the carbon dioxide released by the adsorption unit in the main box, the high-efficiency and continuous carbon dioxide capture device is moved to an open area by moving rollers, and then the carbon dioxide in the storage unit is discharged to other equipment through the exhaust valve.

The beneficial effect of the method for capturing carbon dioxide provided by the embodiment of the present application is that compared with the prior art, the method for capturing carbon dioxide in the embodiment of the present application adopts the high-efficiency continuous carbon dioxide capture device described in any of the above , the storage unit first extracts and discharges the air in the main box, and then decomposes and attaches the adsorption unit, so that all the storage unit stores is carbon dioxide, making full use of the storage space, and the carbon dioxide stored in the storage unit has higher purity, which can be carried out recycle and re-use.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the accompanying drawings that need to be used in the descriptions of the embodiments or the prior art will be briefly introduced below. Obviously, the accompanying drawings in the following description are only for the present application For some embodiments, those of ordinary skill in the art can also obtain other drawings based on these drawings without paying creative efforts.

Fig. 1 is the schematic diagram of the front view structure of the high-efficiency continuous carbon dioxide capture device provided by the embodiment of the present application;

Fig. 2 is a partial cross-sectional view of the high-efficiency continuous carbon dioxide capture device in Fig. 1;

Fig. 3 is the enlarged view of place A in Fig. 2;

Fig. 4 is the top view of main casing in Fig. 1;

Fig. 5 is a perspective view of the adsorption unit in Fig. 1 .

Wherein, each reference sign in the figure:

1-main box; 11-seal groove; 12-insert port; 13-seal ring; 14-drainage pipe; 2-lifting bracket; 21-side frame; 22-beam; Two fixed pulley blocks; 25-winding mechanism; 3-carrying frame; 31-cover plate; 32-adsorption unit; 321-adsorption material; 4-ultrasonic humidifier; 5-storage unit; Chamber; 512-storage chamber; 52-piston; 53-first one-way valve; 54-second one-way valve; 6-exhaust valve; 7-moving roller.

Detailed ways

In order to make the technical problems, technical solutions and beneficial effects to be solved by the present application clearer, the present application will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present application, and are not intended to limit the present application.

It should be noted that when an element is referred to as being “fixed” or “disposed on” another element, it may be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

It is to be understood that the terms "length", "width", "top", "bottom", "front", "rear", "left", "right", "vertical", "horizontal", "top" , "bottom", "inner", "outer" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the application and simplifying the description, rather than indicating or implying No device or element must have a particular orientation, be constructed, and operate in a particular orientation, and thus should not be construed as limiting the application.

In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present application, the meanings of "plurality" and "several" are two or more, unless otherwise specifically defined.

Please refer to FIG. 1 to FIG. 5 together, and now the high-efficiency and continuous carbon dioxide capture device provided by the embodiment of the present application will be described. A high-efficiency continuous carbon dioxide capture device comprising:

The main box body 1 has a sealing groove 11 on the top surface, a plurality of insertion openings 12 on the bottom surface of the sealing groove 11, and a hollow sealing ring 13 along the inner peripheral wall of the sealing groove 11;

The lifting bracket 2 is arranged above the main box body 1, and the lifting bracket 2 forms a lifting space opposite to a plurality of insertion ports 12;

The carrying frame 3 is located in the lifting space and can be lifted and connected with the lifting bracket 2. The carrying frame 3 includes a cover plate 31 and a plurality of adsorption units 32 arranged below the cover plate 31. The adsorption units 32 are opposite to the insertion ports 12 one by one. The frame 3 can be lowered so that the adsorption unit 32 is inserted into the main box 1 from the corresponding insertion port 12, and the cover plate 31 is embedded in the sealing groove 11, and the sealing ring 13 can be inflated to connect the outer peripheral wall of the cover plate 31 to the sealing groove 11. The gap between the inner peripheral walls is filled and sealed, so that the cover plate 31 seals each insertion port 12;

a humidifying unit for humidifying the adsorption unit 32 inserted into the main box 1; and

The storage unit 5 communicates with the main tank 1 and is suitable for extracting and storing the gas in the main tank 1 . The storage unit 5 is also provided with an exhaust valve 6 .

Compared with the prior art, in the high-efficiency continuous carbon dioxide capture device of the embodiment of the present application, after the adsorption unit 32 of the frame 3 absorbs carbon dioxide, it can be directly lowered into the main box 1, and the main box can be covered by the cover plate 31. 1 airtight, and then use the humidification unit to humidify the adsorption unit 32, so as to release carbon dioxide into the airtight main box 1, and finally use the storage unit 5 to absorb and store the carbon dioxide in the main box 1, and then the carrying frame 3 is raised to make The adsorption unit 32 lifts out from the main box 1 and starts to absorb carbon dioxide again. The entire adsorption and regeneration process can be automated, which is conducive to large-scale popularization and application; and the application uses a hollow sealing ring 13 to inflate to make the cover plate 31 and the sealing groove 11 Sealing, so that each insertion port 12 is sealed, the sealing effect is good, the carbon dioxide released by the adsorption unit 32 is prevented from leaking, and the collection efficiency is ensured.

In this embodiment, the inside of the main box 1 is a closed space, which is mainly used for the regeneration of the adsorption unit 32 and temporarily stores the released carbon dioxide. The sealing groove 11 on the top surface of the main box body 1 is roughly the same shape as the cover plate 31, and the size is slightly larger than the cover plate 31, so that the cover plate 31 can easily drop into the sealing groove 11; The surrounding wall is set, and the inside of the sealing ring 13 is an inflatable cavity. When inflated, the sealing ring 13 can expand to fill the gap between the outer peripheral wall of the cover plate 31 and the inner peripheral wall of the sealing groove 11, thereby achieving sealing. This sealing method The seal can be realized without applying downward pressure on the cover plate 31, which simplifies the structure, and when the cover plate 31 descends, there is a gap between the outer peripheral wall of the cover plate 31 and the inner peripheral wall of the sealing groove 11, which also reduces the position of the cover plate 31. Requirements, so that the cover plate can be raised and lowered using a variety of lifting structures.

Lifting bracket 2 is installed on the top of main box body 1, and is in the form of a gantry, and the middle is a lifting space, which provides stable support for lifting of carrying frame 3. The carrying frame 3 can be driven up and down by a cylinder, a hydraulic cylinder, or a rack and pinion on the lifting bracket 2 .

The humidification unit can adopt various humidification structures such as spray nozzles or humidifiers installed in the main box body 1 , and is mainly used for humidifying the adsorption unit 32 inserted into the main box body 1 .

The storage unit 5 can use an air pump or a piston 52 structure to extract the gas in the main box 1 , and the stored gas can be released by setting the exhaust valve 6 .

Please refer to Fig. 1, Fig. 4 and Fig. 5, as a specific embodiment of the high-efficiency continuous carbon dioxide capture device provided by the present application, the adsorption unit 32 is in the shape of a vertical plate, and the insertion port 12 matches the adsorption unit 32 The horizontal strip holes; each adsorption unit 32 is arranged parallel to each other and separated, and the adsorption material 321 of each adsorption unit 32 is wave-shaped.

In this embodiment, the plate-shaped adsorption unit 32 has a larger surface area, which is more conducive to the adsorption of carbon dioxide, and is also convenient for humidification and regeneration. The wavy shape of the adsorption material 321 can further increase the contact area between the adsorption material 321 and the air. The adsorption material 321 of the adsorption unit 32 adopts a replaceable design, which is convenient for replacement after damage. Each adsorption unit 32 is arranged parallel to each other and separated, so that air can flow through between adjacent adsorption units 32, thereby improving the adsorption efficiency.

Please refer to Fig. 1, Fig. 4 and Fig. 5, as a kind of specific implementation of the high-efficiency continuous carbon dioxide capture device provided by the present application, the adsorption material 321 of the adsorption unit 32 is a carbon dioxide adsorption with a quaternary ammonium-based strong base anion exchange resin as a functional group agent.

Specifically, after crushing and sieving the quaternary ammonium-based strong base anion exchange resin D296R, the adsorption material 321 of the adsorption unit 32 is prepared by using polyethersulfone as a carrier, and the adsorption material 321 is ion-exchanged with a 1mol/L Na ₂ CO ₃ solution Modified for carbon dioxide capture in the air. The carbon dioxide adsorption capacity of this adsorption material 321 in 400ppm carbon dioxide environment is 0.89mmol/g, when 20 ℃, 21.2%RH, thickness 0.5mm, resin particle diameter are 40 μm, initial stage film material carbon dioxide adsorption rate is 0.009(1/s ).

As a comparison, take the American I-200 commercial gel-type anion exchange resin membrane as an example. After ion exchange modification with 1mol/L Na ₂ CO ₃ solution, the membrane material can be used to capture carbon dioxide in the air. The carbon dioxide adsorption capacity of the membrane material in a 400ppm carbon dioxide environment is 0.82mmol/g. At 20°C, 21.2% RH, thickness 0.5mm, and resin particle size 40μm, the carbon dioxide adsorption rate of the membrane material in the initial stage is 0.0003 (1/s).

Regarding desorption, the membrane material prepared with the D296R type quaternary ammonium strong base anion exchange resin as the adsorption functional group and the polyethersulfone carrier, when the resin particle size is 30 μm, the carbon dioxide adsorption capacity of the membrane material is 0.89mmol/g when the adsorption is saturated, after 3 The carbon dioxide desorption rate of the membrane material is about 63% after the desorption time of 5 hours, and the desorption rate of carbon dioxide is about 78% after the desorption time of 5 hours. Multiple cycle tests showed that the cycle adsorption capacity of the membrane material was 0.66mmol/g.

Please refer to Fig. 1 and Fig. 2, as a kind of specific embodiment of the high-efficiency continuous carbon dioxide capture device provided by the present application, the storage unit 5 is fixed on one side of the bottom of the main box body 1, and the main box body 1 and the storage unit 5 The bottom is provided with mobile rollers 7 respectively.

In this embodiment, the high-efficiency and continuous carbon dioxide capture device of this embodiment can be flexibly moved by setting the moving rollers 7, and can be conveniently arranged in various places.

Please refer to Figure 2, as a specific implementation of the high-efficiency continuous carbon dioxide capture device provided by the present application, the storage unit 5 includes:

An outer cylinder 51, one end of which is docked on the side wall of the main box 1; and

The piston 52 is arranged in the outer cylinder 51 and divides the outer cylinder 51 into an air suction cavity 511 adjacent to the main box 1 and a storage cavity 512 away from the main box 1;

The side wall of the main box body 1 is provided with a first one-way valve 53 leading to the suction chamber 511, and the piston 52 is provided with a second one-way valve 54 leading from the suction chamber 511 to the storage chamber 512. The air valve 6 communicates with the storage cavity 512 .

In this embodiment, the reciprocating movement of the piston 52 can draw the gas in the main tank 1 into the storage cavity 512 for storage.

In actual implementation, when the piston 52 moves to the right, the pressure in the suction chamber 511 decreases, so that the first one-way valve 53 is opened, the second one-way valve 54 is closed, and the gas in the main tank 1 passes through the first one-way valve. 53 enters the suction chamber 511; when the piston 52 moves to the left, the pressure of the suction chamber 511 increases, so that the first one-way valve 53 is closed, the second one-way valve 54 is opened, and the gas in the suction chamber 511 passes through the second One-way valve 54 enters storage cavity 512 . The piston 52 moves repeatedly, so that the gas in the main tank 1 is gradually drawn into the storage cavity 512 . The piston 52 can be driven to and fro by the motor through the crank connecting rod structure.

Please refer to Fig. 1 and Fig. 2, as a kind of specific implementation of the high-efficiency continuous carbon dioxide capture device provided by the present application, the humidifying unit is an ultrasonic humidifier 4 located at the bottom of the main box body 1, and the bottom of the main box body 1 is also A drain pipe 14 is provided.

In this embodiment, the water mist generated by the ultrasonic humidifier 4 is finer and more uniform, so that each adsorption unit 32 can release carbon dioxide better, and it is also easier to control the amount of water, so that the adsorption unit 32 will not be too wet and affect the adsorption unit. 32 absorb carbon dioxide after rising.

During specific implementation, the water inlet of the ultrasonic humidifier 4 is connected to a water source. The drain pipe 14 at the bottom of the main box body 1 is usually closed, and when there is residual liquid at the bottom of the main box body 1 , it can be easily discharged through the drain pipe 14 .

Please refer to Figure 1 and Figure 2, as a specific implementation of the high-efficiency continuous carbon dioxide capture device provided by this application, the lifting support 2 includes:

Two side frames 21 are respectively arranged on both sides of the top of the main box body 1, forming a lifting space in the middle, and each side frame 21 is provided with a first fixed pulley block 23;

The beam 22 is erected on the top of the two side frames 21, and is provided with a second fixed pulley block 24;

One side of the main box body 1 is provided with a winding mechanism 25, and the ropes of the winding mechanism 25 go around the second fixed pulley block 24 and then respectively go around two sets of first fixed pulley blocks 23 to connect with both sides of the carrying frame 3.

In this embodiment, the pulley block is used to elevate and carry the frame 3 , the entire elevating structure is more compact, and compared with the scheme using air cylinders and hydraulic cylinders, the space occupied in height is less.

During concrete realization, two second fixed pulley blocks 24 are installed on two side frames 21, and the rope of the convenient winding mechanism 25 walks around two second fixed pulley blocks 24 and pulls the both sides of carrying frame 3, makes carrying frame 3 smooth lifting. The first fixed pulley block 23 and the second fixed pulley block 24 can each have a plurality of fixed pulleys to facilitate the passing of the rope of the winding mechanism 25. Winding mechanism 25 can be to go around the first fixed pulley block 23 and the second fixed pulley block 24 to connect the both sides of carrying frame 3 respectively by two ropes, also can adopt a rope to go around first fixed pulley block 23 and the second fixed pulley block continuously. The pulley block 24 is also connected to both sides of the carrying frame 3 in cooperation with the movable pulley.

As a specific implementation of the high-efficiency and continuous carbon dioxide capture device provided in this application, the high-efficiency and continuous carbon dioxide capture device is also provided with an air pump connected to the sealing ring 13 .

In this embodiment, the sealing ring 13 is inflated by using the built-in air pump, which is more convenient to use. The air pump can be installed on the side of the main box body 1 or the storage unit 5 .

Referring to Figures 1 to 5, the embodiment of the present application also provides a method for capturing carbon dioxide. The method for capturing carbon dioxide includes: adopting any one of the above-mentioned high-efficiency continuous carbon dioxide capture devices, specifically including the following steps:

The carrying frame 3 rises, so that the adsorption unit 32 rises out of the main box 1 to absorb carbon dioxide;

The carrying frame 3 descends, so that the adsorption unit 32 adsorbed with carbon dioxide is inserted into the main box body 1 from the insertion port 12, and the cover plate 31 seals each insertion port 12;

The storage unit 5 extracts the air in the sealed main box 1, and discharges the air through the exhaust valve 6;

The humidifying unit humidifies the adsorption unit 32 in the main box 1, so that the adsorption unit 32 releases carbon dioxide;

The storage unit 5 extracts and stores the carbon dioxide released by the adsorption unit 32 in the main tank 1 .

Compared with the prior art, in the method for capturing carbon dioxide in the embodiment of the present application, by adopting any one of the above efficient and continuous carbon dioxide capture devices, the storage unit 5 first extracts and discharges the air in the main box 1, and then The adsorption unit 32 is analyzed and attached, so that all stored in the storage unit 5 is carbon dioxide, the storage space is fully utilized, and the carbon dioxide stored in the storage unit 5 has higher purity and can be recycled.

Please refer to Figures 1 to 5, the embodiment of the present application also provides a method for capturing carbon dioxide, the storage unit 5 is fixed on one side of the bottom of the main box body 1, and the bottom of the main box body 1 and the storage unit 5 are provided with moving rollers 7;

After the storage unit 5 extracts and stores the carbon dioxide released by the adsorption unit 32 in the main box 1, the high-efficiency and continuous carbon dioxide capture device is moved to an open area through the moving roller 7, and then the carbon dioxide in the storage unit 5 is released through the exhaust valve 6. carbon dioxide.

The above descriptions are only preferred embodiments of the application, and are not intended to limit the application. Any modifications, equivalent replacements and improvements made within the spirit and principles of the application should be included in the protection of the application. within range.

Claims (10)

1. A high-efficiency continuous carbon dioxide capture device, comprising:

the top surface of the main box body is provided with a sealing groove, the bottom surface of the sealing groove is provided with a plurality of inserting holes, and a hollow sealing ring is arranged along the inner peripheral wall of the sealing groove;

the lifting support is arranged above the main box body, and the lifting support forms a lifting space opposite to the insertion holes;

the carrying frame is positioned in the lifting space and is connected with the lifting support in a lifting mode, the carrying frame comprises a cover plate and a plurality of adsorption units arranged below the cover plate, the adsorption units are opposite to the insertion holes one by one, the carrying frame can descend, so that the adsorption units are inserted into the main box body from the corresponding insertion holes, the cover plate is embedded into the sealing groove, the sealing ring can be inflated and expanded, and gaps between the outer peripheral wall of the cover plate and the inner peripheral wall of the sealing groove are filled and sealed, so that the cover plate seals the insertion holes;

a humidifying unit for humidifying the adsorption unit inserted into the main case; and

the storage unit is communicated with the main box body and is suitable for extracting and storing gas in the main box body, and the storage unit is further provided with an exhaust valve.

2. The apparatus for capturing carbon dioxide with high efficiency and continuity according to claim 1, wherein the adsorption unit has a vertical plate shape, and the insertion port is a horizontally elongated hole that fits the adsorption unit; the adsorption units are mutually parallel and are arranged in a separated mode, and the adsorption materials of the adsorption units are wavy.

3. The apparatus for capturing carbon dioxide with high efficiency and continuity according to claim 1, wherein the adsorption material of the adsorption unit is a carbon dioxide adsorbent in which quaternary ammonium-based strong base anion exchange resin is a functional group.

4. The apparatus for capturing highly efficient and continuous carbon dioxide as set forth in claim 1, wherein the storage unit is fixed to one side of the bottom of the main casing, and moving rollers are provided at the bottom of the main casing and the storage unit, respectively.

5. The high efficiency continuous carbon dioxide capture device of claim 1, wherein the storage unit comprises:

one end of the outer cylinder is butted on the side wall of the main box body; and

the piston is arranged in the outer cylinder and divides the outer cylinder into a suction cavity adjacent to the main box body and a storage cavity far away from the main box body;

the side wall of the main box body is provided with a first one-way valve communicated with the air suction cavity, the piston is provided with a second one-way valve communicated with the storage cavity through the air suction cavity, and the exhaust valve is communicated with the storage cavity.

6. The apparatus for capturing carbon dioxide with high efficiency and continuity according to claim 1, wherein the humidifying unit is an ultrasonic humidifier provided at a bottom of the main body, and a drain pipe is further provided at the bottom of the main body.

7. The high efficiency continuous carbon dioxide capture device of claim 1, wherein the lifting bracket comprises:

the two side frames are respectively arranged at two sides of the top of the main box body, the middle of the two side frames forms the lifting space, and each side frame is provided with a first fixed pulley block;

the cross beam is erected at the tops of the two side frames and is provided with a second fixed pulley block;

and a winding mechanism is arranged on one side of the main box body, and ropes of the winding mechanism bypass the second fixed pulley blocks and then bypass the two first fixed pulley blocks respectively to be connected with the two sides of the carrying frame.

8. The apparatus according to claim 1, further comprising an air pump connected to the sealing ring.

9. A method of capturing carbon dioxide, comprising: the high-efficiency continuous carbon dioxide capturing apparatus according to any one of claims 1 to 8, comprising the steps of:

lifting the carrying frame to enable the adsorption unit to lift out of the main box body to absorb carbon dioxide;

the carrying frame descends to enable the adsorption unit adsorbed with the carbon dioxide to be inserted into the main box body from the insertion openings, and the cover plate seals the insertion openings;

the storage unit extracts air in the sealed main box body and discharges the air through an exhaust valve;

the humidifying unit humidifies the adsorption unit in the main box body, so that the adsorption unit releases carbon dioxide;

the storage unit extracts and stores carbon dioxide released from the adsorption unit in the main tank.

10. The method for capturing carbon dioxide as claimed in claim 9, wherein the storage unit is fixed to one side of the bottom of the main casing, and moving rollers are provided at the bottoms of the main casing and the storage unit;

after the storage unit extracts and stores the carbon dioxide released by the adsorption unit in the main box body, the efficient and continuous carbon dioxide capture device is moved to an open area through the movable roller, and then the carbon dioxide in the storage unit is discharged to other equipment through the exhaust valve.

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