CN115301039A - Efficient carbon dioxide circulating regeneration trapping device and method for trapping carbon dioxide - Google Patents
Efficient carbon dioxide circulating regeneration trapping device and method for trapping carbon dioxide Download PDFInfo
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- CN115301039A CN115301039A CN202210583997.2A CN202210583997A CN115301039A CN 115301039 A CN115301039 A CN 115301039A CN 202210583997 A CN202210583997 A CN 202210583997A CN 115301039 A CN115301039 A CN 115301039A
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- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 title claims abstract description 254
- 229910002092 carbon dioxide Inorganic materials 0.000 title claims abstract description 127
- 239000001569 carbon dioxide Substances 0.000 title claims abstract description 127
- 238000000034 method Methods 0.000 title claims abstract description 20
- 230000008929 regeneration Effects 0.000 title description 11
- 238000011069 regeneration method Methods 0.000 title description 11
- 238000001179 sorption measurement Methods 0.000 claims abstract description 93
- 238000007789 sealing Methods 0.000 claims abstract description 37
- 238000003780 insertion Methods 0.000 claims description 23
- 230000037431 insertion Effects 0.000 claims description 23
- 239000000463 material Substances 0.000 claims description 16
- 239000003463 adsorbent Substances 0.000 claims description 12
- 239000000284 extract Substances 0.000 claims description 11
- 230000007246 mechanism Effects 0.000 claims description 10
- 238000004804 winding Methods 0.000 claims description 10
- 230000002093 peripheral effect Effects 0.000 claims description 9
- 239000003957 anion exchange resin Substances 0.000 claims description 6
- 125000000524 functional group Chemical group 0.000 claims description 4
- 125000001453 quaternary ammonium group Chemical group 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 238000004064 recycling Methods 0.000 abstract description 3
- 230000001172 regenerating effect Effects 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 7
- 239000012528 membrane Substances 0.000 description 7
- 238000003795 desorption Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 239000004695 Polyether sulfone Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000005342 ion exchange Methods 0.000 description 2
- 229920006393 polyether sulfone Polymers 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/50—Carbon oxides
- B01D2257/504—Carbon dioxide
-
- 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
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
Technical Field
The application belongs to the technical field of carbon dioxide capture, and particularly relates to a high-efficiency carbon dioxide recycling and regenerating capture device and a method for capturing carbon dioxide.
Background
China, as a big carbon dioxide emission country, actively fulfills the responsibility of the country, promotes carbon emission reduction completely and realizes the aim of 'double carbon'. The technology for reducing emission, capturing, utilizing and sealing up carbon dioxide has great development prospect.
The high energy consumption of the capturing system is a great factor for limiting the application and popularization of the air carbon dioxide capturing technology at present. The wet regeneration technology utilizes the evaporation free energy of water to realize the regeneration of the adsorbent, namely when the adsorption material is in a dry environment or the water vapor concentration is low, the alkaline groups on the interface of the adsorbent adsorb carbon dioxide in the atmosphere, and when the interface of the adsorbent is in an environment with high water vapor concentration or is soaked in water, the adsorbed carbon dioxide is gradually desorbed, so that the regeneration cycle of the adsorbent is realized. The humidity-changing regeneration adsorption technology breaks through the limitation of high energy consumption requirement of the conventional temperature-changing/pressure-changing adsorption technology under ultralow partial pressure from the thermodynamic aspect, and can solve the problem of high energy consumption of the system in the application process of the air carbon dioxide capture technology.
At present, a carbon dioxide trapping device adopting a wetting regeneration adsorption technology is used, an adsorption unit is generally directly replaced by a new adsorption unit after adsorbing carbon dioxide, then an old adsorption unit is sent to a fixed release area to release carbon dioxide after being wetted, the whole process is very complicated, and large-scale popularization and application are difficult.
Disclosure of Invention
In view of this, the embodiment of the present application provides a high-efficiency carbon dioxide recycling and regenerating capturing device and a method for capturing carbon dioxide, so as to solve the technical problem that the carbon dioxide capturing device in the prior art is cumbersome to use, which results in difficulty in large-scale popularization and application.
In order to achieve the purpose, the technical scheme adopted by the application is as follows:
in one aspect, there is provided 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.
In some embodiments, the adsorption unit is in a vertical plate shape, and the insertion opening is a horizontal long hole matched with the adsorption unit; the adsorption units are parallel to each other and are arranged in a separated mode, and the adsorption materials of the adsorption units are wavy.
In certain embodiments, the adsorbent material of the adsorption unit is a carbon dioxide adsorbent with quaternary ammonium base type strong base anion exchange resin as the functional group.
In some embodiments, the storage unit is fixed to one side of the bottom of the main box, and the bottom of the main box and the bottom of the storage unit are respectively provided with a moving roller.
In certain embodiments, 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.
In some embodiments, the humidifying unit is an ultrasonic humidifier arranged at the bottom of the main tank, and a drain pipe is further arranged at the bottom of the main tank.
In some embodiments, 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.
In certain 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-efficient continuous carbon dioxide entrapment device that this application embodiment provided lies in: compared with the prior art, the efficient and continuous carbon dioxide trapping device provided by the embodiment of the application has the advantages that after the adsorption unit carrying the frame absorbs carbon dioxide, the adsorption unit 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, and the whole adsorption and regeneration process can be automated, so that the large-scale popularization and application are facilitated; and this application adopts hollow sealing ring to aerify inflation and makes apron and seal groove sealed, thereby with each the inserted hole is sealed, and is sealed effectual, avoids the carbon dioxide that the absorption unit released to reveal, has guaranteed the entrapment efficiency.
Another technical solution adopted in the present application is to provide a method for capturing carbon dioxide, wherein the method for capturing carbon dioxide using any one of the above efficient continuous carbon dioxide capturing devices specifically comprises the following steps:
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.
In some embodiments, the storage unit is fixed at one side of the bottom of the main box body, and the bottom of the main box body and the bottom of the storage unit are provided with movable rollers;
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.
The method for capturing the carbon dioxide provided by the embodiment of the application has the beneficial effects that: compared with the prior art, according to the method for capturing carbon dioxide, the efficient continuous carbon dioxide capturing device is adopted, the storage unit firstly extracts and discharges air in the main box body, and then the adsorption unit is analyzed and adsorbed, so that all the carbon dioxide stored in the storage unit is carbon dioxide, the storage space is fully utilized, the purity of the carbon dioxide stored in the storage unit is higher, and the carbon dioxide can be recycled.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
FIG. 1 is a schematic front view of a high efficiency continuous carbon dioxide capture device provided by an embodiment of the present application;
FIG. 2 is a partial cross-sectional view of the highly efficient continuous carbon dioxide capture device of FIG. 1;
FIG. 3 is an enlarged view taken at A in FIG. 2;
FIG. 4 is a top view of the main housing of FIG. 1;
fig. 5 is a perspective view of the adsorption unit of fig. 1.
Wherein, in the figures, the respective reference numerals:
1-a main box body; 11-a seal groove; 12-an insertion opening; 13-a sealing ring; 14-a drain pipe; 2-lifting support; 21-sideframe; 22-a cross beam; 23-a first fixed pulley group; 24-a second fixed pulley group; 25-a winding mechanism; 3-carrying a frame; 31-a cover plate; 32-an adsorption unit; 321-an adsorbing material; 4-ultrasonic humidifier; 5-a storage unit; 51-an outer barrel; 511-suction chamber; 512-a storage chamber; 52-a piston; 53-a first one-way valve; 54-a second one-way valve; 6-exhaust valve; 7-moving the roller.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can 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 be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "plurality" or "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1 to 5 together, a high-efficiency continuous carbon dioxide capturing device provided in an embodiment of the present application will be described. A high efficiency continuous carbon dioxide capture device comprising:
the top surface of the main box body 1 is provided with a sealing groove 11, the bottom surface of the sealing groove 11 is provided with a plurality of inserting holes 12, and a hollow sealing ring 13 is arranged along the inner peripheral wall of the sealing groove 11;
a lifting bracket 2 arranged above the main box body 1, wherein the lifting bracket 2 forms a lifting space opposite to the plurality of insertion holes 12;
the carrying frame 3 is positioned in the lifting space and connected with the lifting support 2 in a lifting way, the carrying frame 3 comprises 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 carrying frame 3 can be lowered, so that the adsorption units 32 are inserted into the main box body 1 from the corresponding insertion ports 12, the cover plate 31 is embedded into the sealing groove 11, the sealing ring 13 can be inflated, and gaps between the outer peripheral wall of the cover plate 31 and the inner peripheral wall of the sealing groove 11 are filled and sealed, so that the cover plate 31 seals the insertion ports 12;
a humidifying unit for humidifying the adsorption unit 32 inserted into the main case 1; and
and the storage unit 5 is communicated with the main box body 1 and is suitable for extracting and storing the gas in the main box body 1, and the storage unit 5 is also provided with an exhaust valve 6.
Compared with the prior art, the efficient and continuous carbon dioxide capturing device provided by the embodiment of the application has the advantages that after absorbing carbon dioxide, the adsorption unit 32 of the carrying frame 3 can directly descend into the main box body 1, the main box body 1 is sealed through the cover plate 31, then the humidification unit is used for humidifying the adsorption unit 32, so that the carbon dioxide is released into the sealed main box body 1, finally the storage unit 5 is used for absorbing and storing the carbon dioxide in the main box body 1, then the carrying frame 3 is lifted, so that the adsorption unit 32 is lifted out of the main box body 1, and the carbon dioxide is adsorbed again, so that the whole adsorption and regeneration process can be automated, and the large-scale popularization and application are facilitated; moreover, the cover plate 31 is sealed with the sealing groove 11 by adopting the inflation expansion of the hollow sealing ring 13, so that each insertion hole 12 is sealed, the sealing effect is good, the carbon dioxide released by the adsorption unit 32 is prevented from leaking, and the trapping efficiency is ensured.
In this embodiment, the main tank 1 is a closed space, and is mainly used for regeneration of the adsorption unit 32 and temporarily stores released carbon dioxide. The sealing groove 11 on the top surface of the main case 1 has substantially the same shape as the cover plate 31 and has a size slightly larger than the cover plate 31, so that the cover plate 31 can be easily lowered into the sealing groove 11; the sealing ring 13 sets up along the internal perisporium of seal groove 11, the inside inflatable cavity that is of sealing ring 13, after aerifing, sealing ring 13 can expand and fill up the clearance between apron 31 periphery wall and the seal groove 11 internal perisporium, thereby realize sealedly, this kind of sealed mode, need not to exert down the power alright realize sealedly to apron 31, the structure has been simplified, and when apron 31 descends, there is the clearance between apron 31 periphery wall and the seal groove 11 internal perisporium, also reduced the requirement to apron 31 position, make the apron can adopt multiple elevation structure to go up and down.
The lifting support 2 is arranged above the main box body 1 and is in a gantry shape, the middle part of the lifting support is a lifting space, and stable support is provided for lifting of the carrying frame 3. The mounting frame 3 may be driven to move up and down by an air cylinder, a hydraulic cylinder, a rack and pinion, or the like provided in the lifting frame 2.
The humidifying unit may adopt various humidifying structures such as a shower head installed in the main body 1 or a humidifier, and is mainly used for humidifying the adsorption unit 32 inserted in the main body 1.
The storage unit 5 may employ a gas pump or a piston 52 structure to pump gas in the main tank 1, and the stored gas may be discharged by providing the discharge valve 6.
Referring to fig. 1, 4 and 5, as an embodiment of the efficient and continuous carbon dioxide capture device provided by the present application, the adsorption unit 32 is in a vertical plate shape, and the insertion port 12 is a horizontal elongated hole matched with the adsorption unit 32; the adsorption units 32 are arranged in parallel and separated from each other, and the adsorbent 321 of each adsorption unit 32 is waved.
In this embodiment, the plate-shaped adsorption unit 32 has a larger surface area, so as to facilitate adsorption of carbon dioxide and humidification for regeneration. The wavy shape of the adsorbent 321 can further increase the contact area between the adsorbent 321 and the air. The adsorption material 321 of the adsorption unit 32 adopts a replaceable design, so that replacement after damage is convenient. The adsorption units 32 are arranged in parallel and separated from each other, so that air can flow between adjacent adsorption units 32, and the adsorption efficiency is improved.
Referring to fig. 1, 4 and 5, as an embodiment of the high-efficiency continuous carbon dioxide capture device provided in the present application, the adsorbing material 321 of the adsorbing unit 32 is a carbon dioxide adsorbent with functional groups of quaternary ammonium base type strong base anion exchange resin.
Specifically, the season will beAfter the ammonium type strong base anion exchange resin D296R is smashed and sieved, the adsorbing material 321 of the adsorbing unit 32 is prepared by taking polyethersulfone as a carrier, and the adsorbing material 321 is mixed with 1mol/L Na 2 CO 3 The solution is used for capturing carbon dioxide in the air after ion exchange modification. The adsorbent 321 had a carbon dioxide adsorption rate of 0.009 (1/s) in the initial stage when the carbon dioxide adsorption amount in a 400ppm carbon dioxide atmosphere was 0.89mmol/g,20 ℃, 21.2% RH, a thickness of 0.5mm, and a resin particle diameter of 40 μm.
By way of comparison, U.S. model I-200, a commercial gel-type anion exchange resin membrane, prepared with 1mol/L Na 2 CO 3 The solution can be used for capturing carbon dioxide in the air after ion exchange modification. The carbon dioxide adsorption amount of the membrane material in a carbon dioxide atmosphere of 400ppm was 0.82mmol/g, the 20 ℃ C., 21.2% RH, the thickness was 0.5mm, and the resin particle diameter was 40 μm, and the carbon dioxide adsorption rate of the membrane material in the initial stage was 0.0003 (1/s).
Regarding desorption, the D296R type quaternary ammonium base strong base anion exchange resin is used as an adsorption functional group, the membrane material is prepared by polyether sulfone carrier, when the particle size of the resin is 30 mu m, the carbon dioxide adsorption quantity is 0.89mmol/g when the membrane material is in adsorption saturation, the carbon dioxide desorption rate of the membrane material is about 63% after 3 hours of desorption time, and the carbon dioxide desorption rate is about 78% after 5 hours of desorption time. Multiple cycle tests show that the cyclic adsorption capacity of the membrane material is 0.66mmol/g.
Referring to fig. 1 and 2, as an embodiment of the efficient and continuous carbon dioxide capturing apparatus provided by the present application, a storage unit 5 is fixed to one side of the bottom of a main body 1, and moving rollers 7 are respectively provided at the bottoms of the main body 1 and the storage unit 5.
In this embodiment, the high-efficiency continuous carbon dioxide capture device of this embodiment can be flexibly moved by providing the movable rollers 7, and can be conveniently disposed at various places.
Referring to fig. 2, as an embodiment of the high-efficiency continuous carbon dioxide capture device provided in the present application, the storage unit 5 includes:
an outer cylinder 51 having one end butted against a side wall of the main body 1; and
a piston 52 provided in the outer cylinder 51 and dividing the outer cylinder 51 into a suction chamber 511 adjacent to the main body 1 and a storage chamber 512 remote from the main body 1;
a first check valve 53 which is communicated with the suction chamber 511 is provided on the side wall of the main tank 1, a second check valve 54 which is communicated with the storage chamber 512 from the suction chamber 511 is provided on the piston 52, and the discharge valve 6 is communicated with the storage chamber 512.
In this embodiment, the reciprocating motion of the piston 52 can draw the gas in the main chamber 1 into the storage chamber 512 for storage.
In a specific implementation, when the piston 52 moves rightwards, the pressure in the suction chamber 511 decreases, so that the first check valve 53 is opened, the second check valve 54 is closed, and the gas in the main tank 1 enters the suction chamber 511 through the first check valve 53; when the piston 52 moves leftward, the suction chamber 511 rises in pressure, so that the first check valve 53 is closed, the second check valve 54 is opened, and the gas in the suction chamber 511 enters the storage chamber 512 through the second check valve 54. The piston 52 is repeatedly moved, thereby gradually pumping the gas in the main chamber 1 into the storage chamber 512. The piston 52 may be reciprocated by a motor through a crank and connecting rod structure.
Referring to fig. 1 and 2, as an embodiment of the efficient and continuous carbon dioxide capture device provided in the present application, the humidifying unit is an ultrasonic humidifier 4 disposed at the bottom of the main tank 1, and a drain pipe 14 is further disposed at the bottom of the main tank 1.
In this embodiment, the water mist generated by the ultrasonic humidifier 4 is more dense and uniform, so that each adsorption unit 32 can release carbon dioxide better, the water amount can be controlled more easily, and the adsorption unit 32 is not too wet, which affects the adsorption of carbon dioxide after the adsorption unit 32 is lifted.
In specific implementation, the water inlet of the ultrasonic humidifier 4 is connected with a water source. The drain pipe 14 at the bottom of the main body 1 is closed at ordinary times, and when there is residual liquid at the bottom of the main body 1, it can be conveniently discharged through the drain pipe 14.
Referring to fig. 1 and 2, as an embodiment of the high-efficiency continuous carbon dioxide capture device provided in the present application, the lifting bracket 2 includes:
the two side frames 21 are respectively arranged at two sides of the top of the main box body 1, a lifting space is formed in the middle, and each side frame 21 is provided with a first fixed pulley block 23;
the beam 22 is erected at the tops 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 rope of the winding mechanism 25 bypasses the second fixed pulley block 24 and then bypasses the two groups of first fixed pulley blocks 23 to be connected with the two sides of the carrying frame 3.
In this embodiment, adopt the assembly pulley to go up and down to carry on frame 3, whole elevation structure is compacter, and space occupation on the scheme height for adopting cylinder, pneumatic cylinder is still less.
In a specific implementation, the two second fixed pulley blocks 24 are installed on the two side frames 21, so that the rope of the winding mechanism 25 can conveniently pass through the two second fixed pulley blocks 24 and then pull the two sides of the carrying frame 3, and the carrying frame 3 can be lifted stably. The first and second fixed pulley blocks 23, 24 may each be a plurality of fixed pulleys facilitating passage of the rope of the winding mechanism 25. The winding mechanism 25 may be connected to both sides of the carrying frame 3 by two ropes passing around the first fixed pulley block 23 and the second fixed pulley block 24, or may be connected to both sides of the carrying frame 3 by one rope passing continuously around the first fixed pulley block 23 and the second fixed pulley block 24 in cooperation with a movable pulley.
As a specific embodiment of the efficient and continuous carbon dioxide capture device provided by the present application, the efficient and continuous carbon dioxide capture device is further provided with an air pump connected to the sealing ring 13.
In this embodiment, the sealing ring 13 is inflated by using a self-contained air pump, so that the use is more convenient. The air pump may be installed at the side of the main casing 1 or the storage unit 5.
Referring to fig. 1 to 5, an embodiment of the present application further provides a method for capturing carbon dioxide, where the method for capturing carbon dioxide includes: the efficient continuous carbon dioxide capture device adopting any one of the above steps specifically comprises the following steps:
the carrying frame 3 is lifted up to make the adsorption unit 32 lift out of the main box body 1 to absorb carbon dioxide;
the mounting frame 3 is lowered to insert the adsorption unit 32, which adsorbs carbon dioxide, into the main body 1 from the insertion port 12, and the cover plate 31 seals the insertion ports 12;
the storage unit 5 extracts air in the sealed main box body 1 and discharges the air through an exhaust valve 6;
the humidifying unit humidifies the adsorption unit 32 in the main tank 1, so that the adsorption unit 32 releases carbon dioxide;
the storage unit 5 extracts and stores carbon dioxide released from the adsorption unit 32 in the main tank 1.
Compared with the prior art, the method for capturing carbon dioxide in the embodiment of the application adopts any one of the efficient continuous carbon dioxide capturing devices, the storage unit 5 firstly extracts and discharges air in the main box body 1, and then the adsorption unit 32 is analyzed and attached, so that all carbon dioxide stored in the storage unit 5 is carbon dioxide, the storage space is fully utilized, the purity of the carbon dioxide stored in the storage unit 5 is higher, and the carbon dioxide can be recycled.
Referring to fig. 1 to 5, in an embodiment of the present invention, a method for capturing carbon dioxide is further provided, in which a storage unit 5 is fixed at one side of the bottom of a main box 1, and moving rollers 7 are disposed at the bottoms of the main box 1 and the storage unit 5;
after the storage unit 5 extracts and stores the carbon dioxide released from the adsorption unit 32 in the main body 1, the highly efficient and continuous carbon dioxide capture device is moved to an open area by the moving roller 7, and then the carbon dioxide in the storage unit 5 is released through the exhaust valve 6.
The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.
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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| Application Number | Priority Date | Filing Date | Title |
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| CN202210583997.2A CN115301039A (en) | 2022-05-27 | 2022-05-27 | Efficient carbon dioxide circulating regeneration trapping device and method for trapping carbon dioxide |
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| CN202210583997.2A CN115301039A (en) | 2022-05-27 | 2022-05-27 | Efficient carbon dioxide circulating regeneration trapping device and method for trapping carbon dioxide |
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