CN215233159U - Carbon dioxide capture and analysis device - Google Patents
Carbon dioxide capture and analysis device Download PDFInfo
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- CN215233159U CN215233159U CN202121722681.4U CN202121722681U CN215233159U CN 215233159 U CN215233159 U CN 215233159U CN 202121722681 U CN202121722681 U CN 202121722681U CN 215233159 U CN215233159 U CN 215233159U
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- Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
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Abstract
According to the carbon dioxide trapping and analyzing device provided by the scheme, in the adsorption process, the adsorption gas inlet and the adsorption gas outlet are opened, gas enters from the adsorption gas inlet and sequentially passes through the three cavities, most of carbon dioxide in the gas is effectively trapped on the carbon dioxide adsorption material layer, and the rest of gas is discharged from the adsorption gas outlet; in the desorption process, a heat source inlet of the heat source distribution device is opened, and the carbon dioxide is desorbed from the carbon dioxide adsorption material layer by heat; opening a desorption gas outlet and discharging the desorbed carbon dioxide; in the cooling process, open the outlet and discharge the comdenstion water, open and adsorb the air inlet and adsorb the gas outlet, cold gas gets into from adsorbing the air inlet, passes through three cavity in proper order, cools down carbon dioxide adsorption material layer, and cold gas is discharged from adsorbing the gas outlet. The device can directly obtain carbon dioxide from gas, and ensures that the carbon dioxide is stably and quickly analyzed, and meanwhile, the energy consumption is effectively saved.
Description
Technical Field
The utility model belongs to the technical field of gaseous purification, in particular to come from entrapment and analytical equipment of carbon dioxide in environments such as flue gas, airtight space or air.
Background
China is a large carbon dioxide-emitting country, about 60% -70% of carbon dioxide is emitted from industrial combustion including industries such as cement, power plants, steel smelting and the like, flue gas refers to gaseous substances which are generated when fossil fuels such as coal and the like are combusted and pollute the environment, and the main components of the flue gas comprise carbon dioxide, nitrogen, water vapor, sulfides and the like. Wherein carbon dioxide occupies a major portion of the flue gas.
In addition, for a closed space, when the concentration of carbon dioxide reaches 1%, people feel stuffy, dizziness and palpitation; if the concentration reaches 4-5%, the patient feels dyspnea, headache and dizziness, and if the concentration reaches 10%, the patient can be confused, and the patient loses consciousness, is unconscious and stops breathing, so that the patient dies. Especially, the method is particularly important for the closed space with people such as submarines, space shuttles, space stations, civil air defense places and the like, and the timely removal of the carbon dioxide is particularly important.
At present, the most mature scheme is to use organic amine to capture carbon dioxide in flue gas, but the process for capturing carbon dioxide by organic amine has the defects of overlarge analysis energy consumption, toxic reaction solvent, large occupied area and the like.
Therefore, how to overcome the above technical defects is a problem to be solved urgently by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a carbon dioxide entrapment and analytical equipment can directly obtain carbon dioxide from gaseous to guarantee that carbon dioxide is stable, quick to resolve out, effectual energy saving simultaneously.
In order to solve the technical problem, the utility model provides a carbon dioxide capture and analysis device, which comprises a tower body and a purification unit arranged in the inner cavity of the tower body, wherein,
the purification unit comprises a first cavity, a second cavity and a third cavity which are arranged in sequence;
the tower body is provided with a first opening and a desorption air outlet in the first cavity respectively;
the upper end and the lower end of the second cavity are respectively provided with a tower plate component, a heat source distribution device is arranged between the two tower plate components, a carbon dioxide adsorption material is filled between the two tower plate components, and the tower body is provided with a heat source inlet in the second cavity;
the third cavity of the tower body is respectively provided with a second opening and a water outlet;
when the first cavity is an adsorption air inlet cavity and the third cavity is an adsorption air exhaust cavity, the first opening is an adsorption air inlet and the second opening is an adsorption air outlet; or, when the third cavity is an adsorption air inlet cavity and the first cavity is an adsorption air exhaust cavity, the second opening is an adsorption air inlet and the first opening is an adsorption air outlet;
in the adsorption process, the adsorption air inlet and the adsorption air outlet are opened, the desorption air outlet and the water discharge port are closed, air enters from the adsorption air inlet and sequentially passes through the adsorption air inlet cavity, the second cavity and the adsorption exhaust cavity, most of carbon dioxide in the air is effectively intercepted on the carbon dioxide adsorption material layer, and the rest of air is discharged from the adsorption air outlet;
in the desorption process, the adsorption air inlet, the adsorption air outlet and the water outlet are closed, the heat source inlet of the heat source distribution device is opened, and the carbon dioxide is desorbed out by the carbon dioxide adsorption material layer under the heat; opening the desorption gas outlet and discharging the desorbed carbon dioxide;
in the cooling process, open the outlet discharges the comdenstion water side by side, closes behind the comdenstion water drain the outlet is opened adsorb the air inlet with adsorb the gas outlet, cold gas follows adsorb the air inlet and get into, pass through in proper order adsorb the air inlet chamber the second cavity with adsorb the exhaust chamber, it is right carbon dioxide adsorption material layer cools down, and cold gas follows adsorb the gas outlet and discharge.
Optionally, the purification unit is stacked in plurality.
Optionally, an adsorption fan is disposed upstream of the adsorption air inlet or downstream of the adsorption air outlet, and/or a desorption fan is disposed downstream of the desorption air outlet.
Optionally, a dust removal device for filtering gas impurities is arranged upstream of the adsorption gas inlet.
Optionally, the external air source is communicated with the adsorption air inlet through a pipeline, and the dust removal device is connected in series to the pipeline.
Optionally, the adsorption air inlet cavity is provided with an air inlet and distribution device for uniform air distribution, and/or the adsorption exhaust cavity is provided with an air outlet and distribution device for uniform air distribution.
Optionally, the air inlet distribution device, the air outlet distribution device and/or the heat source distribution device all comprise a main pipe used for being communicated with the outside of the tower body, the main pipe is connected with a plurality of branch pipes, and the branch pipes are provided with a plurality of through holes.
Optionally, the tray assembly includes a tray disposed between the first cavity and the second cavity, and between the second cavity and the third cavity, and a plurality of entrapment devices disposed on the tray.
Optionally, the adsorption air inlet, the adsorption air outlet, the heat source inlet, the desorption air outlet and/or the water outlet are provided with valves.
Optionally, the carbon dioxide adsorbent material comprises a macroporous, ball-based divinylbenzene-crosslinked polymeric material having primary amino functional groups.
The utility model provides a carbon dioxide capture and analysis device, in the adsorption process, a carbon dioxide adsorption material layer can directly obtain carbon dioxide from gas; in the desorption process, the heat source distribution device is started to desorb carbon dioxide by heating the carbon dioxide adsorption material layer, so that the carbon dioxide can be stably and quickly desorbed, and the energy consumption is effectively saved; in the cooling process, condensed water is discharged, the carbon dioxide adsorption material layer is cooled, and the state of the device is adjusted to enter the adsorption process of the next period.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a carbon dioxide capturing and resolving device provided in an embodiment of the present invention;
FIG. 2 is an enlarged view of a portion of a tray assembly according to an embodiment of the present invention;
fig. 3 is a schematic view of a partial structure of a heat source distribution device/an air inlet distribution device/an air outlet distribution device provided in an embodiment of the present invention.
In the upper diagram:
1. a first opening; 2. a second opening; 3. a heat source inlet; 4. a desorption gas outlet; 5. an air inlet and distribution device; 6. a heat source distribution device; 7. a gas outlet and distribution device; 8. an adsorption and desorption cavity; 9. a water outlet; 10. A column plate; 11. and (4) an interception device.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, the meaning of a plurality is more than two, and if there is a description that the first and the second are only used for distinguishing technical features, it is not understood that the relative importance is indicated or implied or the number of the indicated technical features is implicitly indicated or the precedence of the indicated technical features is implicitly indicated.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
The core of the utility model is to provide a carbon dioxide entrapment and analytical equipment can directly obtain carbon dioxide from gas to guarantee that carbon dioxide is stable, quick to resolve out, simultaneously effectual energy saving.
In order to make those skilled in the art better understand the technical solutions provided by the present invention, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1-3, the present invention provides a carbon dioxide capturing and analyzing device, at least comprising: the tower body and set up in the purification unit of tower body inner chamber.
Wherein, purification unit includes first cavity, second cavity and the third cavity that sets gradually from high to low.
The tower body is provided with a first opening 1 and a desorption air outlet 4 in the first cavity respectively.
The upper end and the lower extreme of second cavity respectively are equipped with the column plate subassembly, are provided with heat source distribution device 6 between two column plate subassemblies, still fill between two column plate subassemblies and have carbon dioxide adsorbent layer, and the tower body has seted up heat source import 3 at the second cavity. An absorption and desorption cavity 8 is formed between the tower plate component and the inner cavity wall of the tower body. The heat source distribution device 6 is a part of the device, a main pipe of the heat source distribution device is connected with the inner wall of the tower body, the carbon dioxide adsorbing material is filled in the tower body after the installation is finished, and the heat source distribution device is buried in the carbon dioxide adsorbing material after the carbon dioxide adsorbing material is filled in the tower body, so that the heat exchange efficiency is improved, and the heat loss is reduced.
The third cavity of the tower body is respectively provided with a second opening 2 and a water outlet 9.
When the first cavity is an adsorption air inlet cavity and the third cavity is an adsorption exhaust cavity, the first opening is an adsorption air inlet and the second opening is an adsorption air outlet; or, when the third cavity is an adsorption air inlet cavity and the first cavity is an adsorption air exhaust cavity, the second opening is an adsorption air inlet and the first opening is an adsorption air outlet.
During the use, in the adsorption process, open and adsorb the air inlet and adsorb the gas outlet, close desorption gas outlet 4 and outlet 9, gas gets into from adsorbing the air inlet, and through adsorbing air inlet chamber, second cavity and adsorption exhaust chamber in proper order, the carbon dioxide in the gas is most effectively held back in carbon dioxide adsorbent layer, and the gas of other parts is discharged from adsorbing the gas outlet.
In the desorption process, the adsorption air inlet, the adsorption air outlet and the water outlet 9 are closed, the heat source inlet 3 of the heat source distribution device 6 is opened, and the carbon dioxide is desorbed from the carbon dioxide adsorption material layer by heating; and opening the desorption gas outlet 4 and discharging the desorbed carbon dioxide.
In the cooling process, the water outlet 9 is opened and condensed water is discharged, the water outlet 9 is closed after the condensed water is drained, the adsorption air inlet and the adsorption air outlet are opened, cold air enters from the adsorption air inlet and sequentially passes through the adsorption air inlet cavity, the second cavity and the adsorption exhaust cavity to cool the carbon dioxide adsorption material layer, and the cold air is discharged from the adsorption air outlet.
According to the carbon dioxide capturing and analyzing device, in the adsorption process, the carbon dioxide adsorption material layer can directly obtain carbon dioxide from gas; in the desorption process, the heat source distribution device 6 is started to desorb carbon dioxide by heating the carbon dioxide adsorption material layer, so that the carbon dioxide can be stably and quickly desorbed, and meanwhile, the energy consumption is effectively saved; in the cooling process, condensed water is discharged, the carbon dioxide adsorption material layer is cooled, and the state of the device is adjusted to enter the adsorption process of the next period.
In addition, the purification unit may further include a fourth cavity disposed below the third cavity (i.e., away from one side of the second cavity), a flange port is disposed on a wall of the third cavity and the fourth cavity, and the flange port may be disposed at any position of the wall of the third cavity and the fourth cavity, as shown in fig. 1, the flange port is disposed on the central shaft and communicates with the water outlet 9 of the tower body wall through an external pipe to discharge water (the external pipe is disposed in the fourth cavity). In order to better assist in draining the condensed water, the cavity wall can be set to be an inclined cavity wall with a certain inclination angle, and the flange opening is arranged at the lowest point of the cavity wall.
As shown in fig. 1, the adsorption air inlet and the heat source inlet 3 are disposed at one side of the tower body, and the desorption air outlet 4, the adsorption air outlet and the water outlet 9 are disposed at the other side of the tower body. The relative setting can greatly improve the space fluidity and improve the heat exchange efficiency and the efficiency of desorbing carbon dioxide.
The number of the purification units is at least one, and a plurality of purification units can be additionally arranged according to actual requirements. In a specific embodiment, in order to improve the desorption efficiency of the whole device, the purification unit is stacked in plurality. A plurality of purification unit follow vertical direction range upon range of setting, adopt the three-dimensional structural layout of polycell, reducible area. Meanwhile, the multi-unit three-dimensional structures are independent units, each unit has an independent space and is not interfered and influenced mutually, the device adopts unit operation, and the robustness of system operation is improved. The pressure drop of each unit is reduced by reasonably arranging the distribution condition of the carbon dioxide adsorption material in each unit, and further the power consumption of the fan is reduced.
In order to lead the gas out of the inner cavity of the tower body, an adsorption fan is arranged at the downstream of the adsorption gas outlet, and/or a desorption fan is arranged at the downstream of the desorption gas outlet 4, and the gas is led out from the device. The upstream and downstream are referred to with respect to the gas flow direction. The downstream of the adsorption gas outlet and the desorption gas outlet 4 is the outside of the tower body.
In order to filter out impurities such as dust in the gas and prevent the impurities from blocking the carbon dioxide capturing and analyzing device, a dust removing device is arranged at the upstream of the adsorption air inlet. The dust removing device can adopt a conventional non-woven fabric or other filter screen structures, and a flange-clamping type connection mode can be used. Upstream of the adsorption gas inlet is also the outside of the column.
Further, an external air source is communicated with the adsorption air inlet through a pipeline, and the dust removal equipment is connected in series on the pipeline.
All need filter through dust collecting equipment in adsorption process and cooling process, one set of dust collecting equipment can be shared to above-mentioned two processes, of course, can also respectively use one set of dust collecting equipment respectively according to actual demand.
In a specific embodiment, the adsorption air intake chamber is provided with an air intake and distribution device 5 for uniform air distribution, and/or the adsorption air exhaust chamber is provided with an air exhaust and distribution device 7 for uniform air distribution. The inlet end all sets up the distributor with the end of giving vent to anger, can guarantee to admit air even the material layer that sees through when adsorbing, simultaneously, high concentration carbon dioxide in the whole cavity all can be drawn forth by the desorption fan when guaranteeing the desorption.
Specifically, the air inlet and distribution device 5, the air outlet and distribution device 7 and/or the heat source distribution device 6 comprise a main pipe used for being communicated with the outside of the tower body, the main pipe is connected with a plurality of branch pipes, and the branch pipes are provided with a plurality of through holes.
The heat source distribution device 6 comprises a heat source main pipe and a heat source branch pipe, the heat source distribution device 6 is integrally distributed in a shape like the Chinese character 'wang', and preferably made of SUS. Can punch on the heat source branch pipe, the heat source is followed the external advanced heat source person in charge that gets into, evenly distributed to the heat source branch pipe again, gives out through the through-hole at last, so can make the more even entering of heat source inhale desorption cavity 8, avoid the inhomogeneous condition of heat source distribution, guarantee then that the material is whole can be by the abundant heating. The adsorption and desorption cavity 8 has certain design pressure bearing and pressure resistance, and heat sources such as water vapor and the like can be discharged together with the water vapor and the carbon dioxide through the desorption air outlet 4 after entering the adsorption and desorption cavity 8 or be discharged from the water outlet 9 after being condensed. Through a special built-in distributed heating mode, the heat exchange efficiency can be improved, and the energy is saved and the consumption is reduced.
The heat source distribution device 6 can be used as a heat source after being heated by the heat source, and plays a role in heat preservation of filled materials. To prevent the material from penetrating through the through-hole into the interior of the heat source branch pipe, a stainless steel net is selectively wound around the heat source branch pipe or the trap 11 is installed, depending on the size of the apparatus body. As shown in fig. 1, the heat source branch pipe is provided with a trap 11 at the through hole.
Particularly, the heat source can utilize waste heat of a factory, so that the energy consumption is greatly saved, and the operation cost is reduced.
The structure of the air inlet distribution device 5 and the air outlet distribution device 7 is the same as that of the heat source distribution device in principle, and the difference is that the pipe diameter and the aperture of the air inlet distribution device need to be adjusted according to the air quantity and the size of the device, so that the air can uniformly enter the tower body, the occurrence of a bias flow phenomenon is avoided, and the adsorption effect of the material is ensured.
On the basis of the above embodiment, the tray assembly comprises a tray 10 disposed between the first cavity and the second cavity, and between the second cavity and the third cavity, and a plurality of interception means 11 disposed on the tray 10. The interception device 11 is provided with a certain gap (the filtering gap is smaller than the particle size of the material), which can ensure that gas can penetrate through and simultaneously intercept the material without escaping out of the adsorption and desorption cavity 8.
Specifically, the heat source distribution device 6 is positioned above the lower tower plate 10 of each adsorption and desorption cavity 8, and the height of the heat source distribution device is adjustable according to actual conditions. The installation position of the air inlet and distribution device 5 is positioned above the upper tower plate of each adsorption and desorption cavity 8, and the height can be adjusted according to actual conditions. The installation position of the air outlet and distribution device 7 is positioned below the lower tower plate of each adsorption and desorption cavity 8, and the height can be adjusted according to actual conditions.
In order to facilitate the opening and closing of each inlet and outlet to be controllable, the adsorption air inlet, the adsorption air outlet, the heat source inlet 3, the desorption air outlet 4 and/or the water outlet 9 are provided with valves. In particular, electrically operated valves may be used, and, of course, manually operated valves may be used when the number of purification units is small.
Preferably, the carbon dioxide adsorbing material is a macroporous spherical divinylbenzene crosslinked polymer material with primary amino functional groups, and is filled in the adsorption and desorption cavity 8. The adsorption device formed by the adsorption and desorption chamber 8 can be an adsorption tower loaded with a class of macroporous, spherical divinylbenzene-based cross-linked polymeric materials having primary amino functional groups, such as those available from Lanxess Langerhans, Germany
VP OC 1065 type material, and adsorption tower loaded with the material for adsorbing gasThe carbon dioxide is fully adsorbed and then released under the action of a heat source. Of course, other carbon dioxide adsorbing materials with functions of adsorbing and desorbing carbon dioxide can be selected according to actual needs, which are all within the protection scope of the present application and are not described herein again.
In addition, the tower body and the tower plate assembly, the openings, the heat source distribution device 6, the air inlet distribution device 5 and the air outlet distribution device 7 of the carbon dioxide capture and analysis device are all welded by high-quality SUS304 materials, and the design pressure-bearing capacity can reach 0.5 MPa. The interior of the purification unit is formed by connecting independent carbon dioxide adsorption materials in parallel, and each unit has an independent space and does not influence each other. The heat source pipeline of the heat source distribution device 6 is directly communicated with the interior of the material to uniformly and rapidly heat the carbon dioxide adsorbing material, so that the working efficiency of the material is improved.
The embodiment is introduced according to the working process of a certain layer of purification unit, and can work simultaneously in multiple layers in actual use, and the working modes are consistent.
1) An adsorption process: open and adsorb the air inlet and adsorb the gas outlet, start the adsorption fan, make the gas of the big amount of wind pass through dust collector, filter impurity such as dust, then gas is along the horizontal direction under the effect of gas distribution device 5 that admits air, even entering is inhaled desorption cavity 8, its inside carbon dioxide adsorption material packs the level and is filled, respectively have column plate 10 from top to bottom, trapping apparatus 11 is equipped with on the column plate 10, pack the material compaction between last column plate and lower column plate, gas from top to bottom circulates, make gas and the adsorption material fully contact of evenly filling, carbon dioxide in the gas is mostly held back effectively in the material granule, remaining gas gets into through gas distribution device 7 that gives vent to anger and adsorbs the gas outlet, it sends out to be taken out by the adsorption fan.
With the increase of the adsorption time, the carbon dioxide adsorbed by the material is gradually increased, the adsorption capacity of the material is gradually weakened, and the carbon dioxide concentration of the exhaust gas is gradually increased. Through the change of the concentration of carbon dioxide at the inlet and the outlet of the monitoring device of the detection mechanism arranged at the downstream of the adsorption gas outlet, when the adsorption saturation of the material is monitored, the adsorption fan is closed, the adsorption gas inlet and the adsorption gas outlet are closed, and the adsorption process of the carbon dioxide trapping and analyzing device is stopped.
2) A desorption process: opening a heat source inlet 3, uniformly conveying a heat source to the inside of the device through a heat source distribution device 6, enabling the heat source to be in full contact reaction with the material, heating the material by using the heat source, and desorbing carbon dioxide adsorbed on the material; open desorption gas outlet 4, start the desorption fan, fully inhale the desorption fan with the carbon dioxide that the desorption got off, draw forth by the desorption fan. After a certain time, the desorption fan is closed, the desorption gas outlet 4 is closed, and the desorption process is finished. The heat source may be steam or hot air.
3) And (3) cooling: during the desorption process, condensed water is possibly generated and is drained through the water outlet 9; after the desorption is finished, the adsorbing material has a certain temperature, so that the adsorbing material is not beneficial to the adsorption in the next period and needs to be cooled. Open and adsorb the air inlet and adsorb the gas outlet, open and adsorb the fan, make the cold gas of the big amount of wind pass through dust collector, filter impurity such as dust, then the cold gas is along the horizontal direction, under the effect of gas distribution device 5 that admits air, desorption cavity 8 is inhaled in even entering, and then make cold gas and the adsorption material full contact that evenly loads, cool down adsorption material, after falling to the uniform temperature, close adsorption fan, close and adsorb the air inlet and adsorb the gas outlet, the cooling process finishes, get into next cycle adsorption process.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (10)
1. A carbon dioxide capture and analysis device is characterized by comprising a tower body and a purification unit arranged in the inner cavity of the tower body, wherein,
the purification unit comprises a first cavity, a second cavity and a third cavity which are arranged in sequence;
the tower body is provided with a first opening (1) and a desorption gas outlet (4) in the first cavity respectively;
the upper end and the lower end of the second cavity are respectively provided with a tower plate component, a heat source distribution device (6) is arranged between the two tower plate components, a carbon dioxide adsorption material is filled between the two tower plate components, and the tower body is provided with a heat source inlet (3) in the second cavity;
the third cavity of the tower body is respectively provided with a second opening (2) and a water outlet (9);
when the first cavity is an adsorption air inlet cavity and the third cavity is an adsorption air exhaust cavity, the first opening is an adsorption air inlet and the second opening is an adsorption air outlet; or, when the third cavity is an adsorption air inlet cavity and the first cavity is an adsorption air exhaust cavity, the second opening is an adsorption air inlet and the first opening is an adsorption air outlet;
in the adsorption process, the adsorption air inlet and the adsorption air outlet are opened, the desorption air outlet (4) and the water outlet (9) are closed, air enters from the adsorption air inlet and sequentially passes through the adsorption air inlet cavity, the second cavity and the adsorption exhaust cavity, most of carbon dioxide in the air is effectively intercepted on the carbon dioxide adsorption material layer, and the rest of air is exhausted from the adsorption air outlet;
in the desorption process, the adsorption air inlet, the adsorption air outlet and the water outlet (9) are closed, the heat source inlet (3) of the heat source distribution device (6) is opened, and the carbon dioxide is desorbed from the carbon dioxide adsorption material layer by heat; opening the desorption gas outlet (4) and discharging the desorbed carbon dioxide;
in the cooling process, open outlet (9) and discharge the comdenstion water, close behind the comdenstion water exhaust outlet (9), open adsorb the air inlet with adsorb the gas outlet, cold gas follows adsorb the air inlet and get into, pass through in proper order adsorb the air inlet chamber the second cavity with adsorb the exhaust chamber, it is right carbon dioxide adsorbent material layer cools down, and cold gas follows adsorb the gas outlet and discharges.
2. The carbon dioxide capture and desorption apparatus according to claim 1, wherein the purification unit is provided in a plurality of stacked layers.
3. The carbon dioxide capture and desorption device according to claim 1, characterized in that an adsorption fan is arranged upstream of the adsorption gas inlet or downstream of the adsorption gas outlet, and/or a desorption fan is arranged downstream of the desorption gas outlet (4).
4. The carbon dioxide capture and desorption apparatus of claim 1 wherein a dust removal device for filtering gaseous impurities is disposed upstream of the adsorption gas inlet.
5. The carbon dioxide capture and desorption device of claim 4 wherein an external gas source is connected to the adsorption gas inlet through a pipe, and the dust removal device is connected in series to the pipe.
6. The carbon dioxide capture and desorption device according to claim 1, characterized in that the adsorption gas inlet chamber is provided with a gas inlet distribution device (5) for uniform gas distribution and/or the adsorption gas outlet chamber is provided with a gas outlet distribution device (7) for uniform gas distribution.
7. The carbon dioxide capture and analysis device according to claim 6, wherein the gas inlet distribution device (5), the gas outlet distribution device (7) and/or the heat source distribution device (6) each comprise a main pipe for communicating with the outside of the tower body, the main pipe is connected with a plurality of branch pipes, and a plurality of through holes are formed in the plurality of branch pipes.
8. Carbon dioxide capture and desorption device according to claim 1, characterized in that the tray assembly comprises a tray (10) arranged between the first cavity and the second cavity, between the second cavity and the third cavity, and a plurality of interception means (11) arranged on the tray (10).
9. The carbon dioxide capture and desorption device according to claim 1, characterized in that the adsorption gas inlet, the adsorption gas outlet, the heat source inlet (3), the desorption gas outlet (4) and/or the drain (9) are provided with valves.
10. The carbon dioxide capture and desorption device of claim 1 wherein the carbon dioxide adsorbent material comprises a macroporous, spherical divinylbenzene-crosslinked polymeric material having primary amino functional groups.
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| CN202121722681.4U CN215233159U (en) | 2021-07-27 | 2021-07-27 | Carbon dioxide capture and analysis device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114768465A (en) * | 2022-03-31 | 2022-07-22 | 上海交通大学 | Multistage overlapping continuous solid adsorption carbon capture system and operation method |
| CN115055029A (en) * | 2022-08-08 | 2022-09-16 | 中国华能集团清洁能源技术研究院有限公司 | Carbon dioxide trap |
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2021
- 2021-07-27 CN CN202121722681.4U patent/CN215233159U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114768465A (en) * | 2022-03-31 | 2022-07-22 | 上海交通大学 | Multistage overlapping continuous solid adsorption carbon capture system and operation method |
| CN114768465B (en) * | 2022-03-31 | 2023-11-28 | 上海交通大学 | Multistage cascade continuous solid adsorption carbon capturing system and operation method |
| CN115055029A (en) * | 2022-08-08 | 2022-09-16 | 中国华能集团清洁能源技术研究院有限公司 | Carbon dioxide trap |
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