CN113813762A - Carbon element trapping device - Google Patents
Carbon element trapping device Download PDFInfo
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- CN113813762A CN113813762A CN202111399358.2A CN202111399358A CN113813762A CN 113813762 A CN113813762 A CN 113813762A CN 202111399358 A CN202111399358 A CN 202111399358A CN 113813762 A CN113813762 A CN 113813762A
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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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/62—Carbon oxides
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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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/346—Controlling the process
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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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
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- 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
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Abstract
The invention discloses a carbon element trapping device which comprises a trapping tower with an ammonia water spraying trapping mechanism, wherein an exhaust pipeline of the trapping tower is arranged upwards in an inclined mode relative to the horizontal plane, the tail end of the exhaust pipeline is connected with an ammonia gas collecting pipeline and a tail gas pipeline through a tee joint, and the ammonia gas collecting pipeline is positioned above the tail gas pipeline. According to the carbon element trapping device, the characteristic that the density of ammonia gas is obviously smaller than that of air is utilized, the ammonia gas is enriched in advance by arranging the exhaust pipeline obliquely upwards, then the air enriched with the ammonia gas enters the ammonia gas collecting pipeline with a higher position, the ammonia gas is enriched in advance, only part of the air enriched with the ammonia gas needs to be treated, and the overall treatment capacity of tail gas is reduced; a large amount of ammonia gas is recovered, and the ammonia gas emission in tail gas is reduced. On the whole, the recovery amount of ammonia is improved under the condition of reducing the tail gas treatment amount without power, and the effect is extremely outstanding.
Description
Technical Field
The invention relates to a carbon element recovery technology, in particular to a carbon element trapping device.
Background
Since gaseous carbon such as carbon dioxide is one of the main factors of global warming, at least partial recovery of carbon element in various tail gases is a main technical means for controlling carbon emission. The carbon capture is carried out by spraying ammonia water or ethanolamine, which is a common carbon capture technology, and in a spray tower, tail gas is in reverse contact with spray liquid, so that the spray liquid captures carbon dioxide in the tail gas, and the carbon capture is realized. This brings about a problem that the boiling point of ammonia gas is low, a large amount of ammonia gas in the sprayed ammonia water escapes from the tail gas, and in order to recover the escaped ammonia gas, the prior art is connected with an ammonia gas trapping device at the downstream of the spray tower.
For example, the invention patent with the publication number of CN104107629B and publication date of 20160824, which is named as a flue gas carbon dioxide capturing system, comprises a carbon dioxide absorption tower for capturing carbon dioxide in flue gas, wherein the lower part of the carbon dioxide absorption tower is provided with a raw flue gas inlet and a carbon capturing rich liquid outlet, the top of the carbon dioxide absorption tower is provided with a flue gas outlet, and a spraying layer for spraying an ammonia water absorbent from top to bottom is arranged in the carbon dioxide absorption tower; the ammonia detection and recovery integrated structure comprises an ammonia concentration detector, a decarbonized flue gas emission branch pipeline, an ammonia recovery tower and a desorption tower; the flue gas outlet pipeline of the carbon dioxide absorption tower is simultaneously connected with the decarbonized flue gas emission branch pipeline and the ammonia recovery branch pipeline, and the ammonia concentration detector is arranged on the flue gas outlet pipeline of the carbon dioxide absorption tower; a first valve is arranged on the decarbonized flue gas emission branch pipeline, a second valve is arranged at the ammonia recovery branch pipeline, and the first valve and the second valve are respectively connected with the ammonia concentration detector; when the ammonia concentration detector detects that the ammonia concentration at the flue gas outlet of the carbon dioxide absorption tower is lower than a preset concentration, the first valve is opened, the second valve is closed, and the flue gas outlet of the carbon dioxide absorption tower is communicated with the decarbonized flue gas emission branch pipeline; when the ammonia concentration detector detects that the ammonia concentration at the flue gas outlet of the carbon dioxide absorption tower is higher than or equal to a preset concentration, the second valve is opened, the first valve is closed, and the flue gas outlet of the carbon dioxide absorption tower is communicated with the ammonia recovery branch pipeline.
The defects of the prior art are that in most cases, the flow of tail gas is large, the ammonia content in the tail gas is not high, all the tail gas needs to be treated for recovery, the treatment cost is low, and therefore the cost performance is not high.
Disclosure of Invention
The invention aims to provide a carbon element trapping device to solve the defects in the prior art.
In order to achieve the above purpose, the invention provides the following technical scheme:
the utility model provides a carbon element entrapment device, sprays the entrapment tower of entrapment mechanism including having the aqueous ammonia, the exhaust duct of entrapment tower upwards arranges to the horizontal plane slope relatively, there are ammonia collection pipeline and tail gas pipeline at exhaust duct's end through three way connection, wherein, ammonia collection pipeline is located the top of tail gas pipeline.
In the carbon element trapping device, the length of the exhaust pipeline is 1-10 m.
In the carbon element trapping device, the inclination angle of the exhaust pipeline and the horizontal plane is 30-60 degrees.
In the carbon element trapping device, the exhaust duct has a structure in which a vertical dimension is larger than a horizontal dimension.
In the carbon element trapping device, the axial section of the exhaust duct is an ellipse with a vertically arranged long axis.
The carbon element trapping device further comprises a dynamic control mechanism, wherein the dynamic control mechanism comprises a limiting plate movably connected to the position of the tee joint, and the limiting plate moves to adjust the flow of the ammonia gas entering the ammonia gas collecting pipeline.
In the carbon element trapping device, the axial section of the exhaust pipeline is a rectangle with a long side arranged vertically, and the limiting plate is a plug board which is plugged downwards from the top of the rectangle.
In the carbon element trapping device, the tail gas pipeline is provided with the ammonia concentration detection mechanism.
In the carbon element trapping device, the ammonia gas collecting channel is communicated with the gas inlet pipeline of the trapping tower.
In the carbon element trapping device, the ammonia gas collecting channel is connected with the second spraying and collecting mechanism.
In the technical scheme, the carbon element trapping device provided by the invention has two effects that ammonia gas is enriched in advance by obliquely and upwardly arranging the exhaust pipeline by utilizing the characteristic that the density of ammonia gas is obviously smaller than that of air, and then the air enriched with ammonia gas enters the ammonia gas collecting pipeline with a higher position, wherein one effect is that ammonia gas is enriched in advance, only part of air enriched with ammonia gas is required to be treated, and the integral treatment capacity of tail gas is reduced; secondly, a large amount of ammonia gas is recovered, and the emission of ammonia gas in tail gas is reduced. On the whole, the recovery amount of ammonia is improved under the condition of reducing the tail gas treatment amount without power, and the effect is extremely outstanding.
Drawings
In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.
FIG. 1 is a schematic structural diagram of a carbon element trapping apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a carbon element trapping device according to another embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a carbon element trapping device according to still another embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a carbon element trapping device according to still another embodiment of the present invention;
FIG. 5 is a cross-sectional view of an exhaust conduit provided in accordance with an embodiment of the present invention;
FIG. 6 is a cross-sectional view of an exhaust conduit according to another embodiment of the present invention;
FIG. 7 is a cross-sectional view of an exhaust conduit according to yet another embodiment of the present invention;
fig. 8 is a sectional view of an exhaust duct according to still another embodiment of the present invention.
Description of reference numerals:
1. a capturing tower; 2. an exhaust duct; 2.1, an exhaust cavity; 2.2, necking; 3. an air intake duct; 4. an ammonia gas collection pipe; 5. an exhaust gas pipeline; 6. an ammonia gas concentration detection mechanism; 7. a turbulent flow restricting plate; 7.1, vent holes; 8. a limiting plate; 9. and the second spraying and collecting mechanism.
Detailed Description
In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 8, the carbon element capturing device provided by the embodiment of the invention comprises a capturing tower 1 with an ammonia water spraying capturing mechanism, an exhaust pipeline 2 of the capturing tower 1 is arranged obliquely upwards relative to a horizontal plane, and the tail end of the exhaust pipeline 2 is connected with an ammonia gas collecting pipeline 4 and an exhaust pipeline 5 through a tee joint, wherein the ammonia gas collecting pipeline 4 is located above the exhaust pipeline 5.
Specifically, be provided with ammonia water in the entrapment tower 1 and spray entrapment mechanism, ammonia water sprays entrapment mechanism and is used for spraying the entrapment that realizes carbon dioxide through the ammonia water, it sprays the ammonia water downwards by the top through the shower nozzle, and tail gas gets into the upflow by the bottom of entrapment tower 1, so tail gas and the ammonia water that sprays meet in the middle part of entrapment tower 1, the carbon dioxide of ammonia water in with the tail gas is gathered and is retrieved, the tail gas after being catched contains more ammonia and discharges from exhaust duct 2, this is prior art, need not be repeated. In this embodiment, the exhaust pipe 2 is arranged obliquely upward relative to the horizontal plane, and the effect is that the specific gravity of ammonia gas is smaller than that of air, the relative density of ammonia gas relative to air is only 0.5971, and the specific gravity of various tail gases containing sulfur element or metal element is greater than 1, so the relative density of ammonia gas relative to tail gas is possibly lower, and therefore the situation that ammonia gas is enriched to the top can be formed through natural upward flow of one section in the exhaust pipe 2, so that the ammonia gas is automatically enriched without power, and a pre-collection effect is achieved.
In this embodiment, exhaust duct 2's end has ammonia collecting duct 4 and tail gas pipeline 5 through the tee junction, the tee junction can be a three-way valve here, but optional, also can be exhaust duct 2, the three pipeline intercommunication department of ammonia collecting duct 4 and tail gas pipeline 5 forms naturally the tee bend structure, the key point of here lies in, ammonia collecting duct 4 is located tail gas pipeline 5's top, so let the gas that is located exhaust duct 2 top get into ammonia collecting duct 4, and the gas of the bottom of exhaust duct 2 gets into tail gas pipeline 5, so, the enrichment has the tail gas of a large amount of ammonia to get into ammonia collecting duct 4, and the tail gas that contains minute amount of ammonia gets into tail gas pipeline 5.
In this embodiment, can dock recovery or the processing of ammonia among the different ammonia recovery unit realization behind the ammonia collecting tube 4, tail gas pipeline 5 then carries out other processings or directly discharges like tail gas pipeline 5 of prior art.
According to the carbon element trapping device provided by the embodiment of the invention, by utilizing the characteristic that the density of ammonia gas is obviously smaller than that of air, the exhaust pipeline 2 is obliquely and upwards arranged to pre-enrich the ammonia gas, and then the ammonia gas-enriched air enters the ammonia gas collecting pipeline 4 with a higher position, so that the device has two effects, one of which is to pre-enrich the ammonia gas, only need to treat the ammonia gas-enriched air, and reduce the overall treatment capacity of tail gas; secondly, a large amount of ammonia gas is recovered, and the emission of ammonia gas in tail gas is reduced. On the whole, the recovery amount of ammonia is improved under the condition of reducing the tail gas treatment amount without power, and the effect is extremely outstanding.
In another embodiment provided by the present invention, preferably, the length of the exhaust duct 2 is 1-10 meters, and the amount of the tail gas and the flow rate of different devices are different, so that the time required for enriching the ammonia gas is different, and thus the selection is performed according to the size and the flow rate of the device. In an alternative embodiment, one ammonia gas concentration detection mechanism 6 may be provided at each of the upper and lower portions of the end of the exhaust duct 2 so as to determine the length of the exhaust duct 2.
In a preferred embodiment, the radial dimension of the exhaust duct 2 is more than 1.5 times the radial dimension of the inlet duct 3 of the capturing tower 1, so that the area of the radial section of the exhaust duct 2 is more than twice the area of the radial section of the inlet duct 3, the flow rate of the tail gas in the exhaust duct 2 is half of that of the inlet duct 3, and the lower flow rate is more convenient for ammonia floating and enriching.
In another preferred embodiment, the angle of inclination of the exhaust duct 2 to the horizontal is between 30 and 60 degrees, too vertical will accelerate the exhaust gas flow velocity, too gentle or reduce the flow velocity, and 30 to 60 degrees is suitable.
In a further embodiment of the present invention, it is preferable that the exhaust duct 2 is constructed such that the vertical dimension is larger than the horizontal dimension, that is, the height of the exhaust duct 2 is larger than the width, for example, the axial section of the exhaust duct 2 is an ellipse with the long axis arranged vertically, or the axial section of the exhaust duct 2 is a rectangle with the long side arranged vertically, so that the arrangement is advantageous in that the layering of ammonia gas and non-ammonia gas is more significant and more ammonia gas is concentrated in the top region by the higher vertical dimension.
As a most preferred embodiment, the axial section of the exhaust duct 2 is gourd-shaped, or 8-shaped, i.e. it comprises two upper and lower exhaust chambers 2.1, which two exhaust chambers 2.1 are connected by a constriction 2.2, wherein, due to the smaller ammonia-rich part, the radial dimension of the upper exhaust chamber 2.1 may be smaller than the radial dimension of the lower one. The arrangement has the advantages that turbulence is inevitably generated in the flowing process of the tail gas in the exhaust channel, the disturbance of the turbulence to the ammonia enriching process is reduced through the two exhaust cavities 2.1 and the connected necking parts 2.2, and the probability that the ammonia enriched in the upper part (the upper exhaust cavity 2.1) of the exhaust pipeline 2 is driven to the lower part of the exhaust pipeline 2 is reduced.
Furthermore, the exhaust pipeline 2 is communicated with the part above the side of the arc-shaped space at the top of the tower in the capturing tower 1, and the connection is used for forming a pre-collecting position in the arc-shaped space at the top of the tower of the capturing tower 1, the ammonia gas is enriched in the arc-shaped space at the top of the tower, and the exhaust cavity 2.1 above the two exhaust cavities 2.1 is closer to the pre-collecting position, so that the ammonia gas is enriched to a certain extent before entering the exhaust pipeline 2, and the effect is more prominent.
In still another embodiment of the present invention, the present invention further includes one or more turbulence limiting plates 7, the turbulence limiting plates 7 are disposed inside the exhaust duct 2 along the axial direction, when there are a plurality of turbulence limiting plates 7, the plurality of turbulence limiting plates 7 are disposed inside the exhaust duct 2 in parallel, and a plurality of vent holes 7.1 are disposed on the turbulence limiting plates 7, such that the effect of the arrangement is to realize the floating flow of the ammonia gas through the vent holes 7.1, and simultaneously, the generation of turbulence is limited by the turbulence limiting plates 7, so that the ammonia gas is maintained at the top as much as possible after floating.
Furthermore, the turbulent limiting plate 7 is rotatably disposed in the exhaust duct 2 through a rotating shaft, at this time, an axial cross section of the exhaust duct 2 is a rectangle with a long side arranged vertically so that the turbulent limiting plate 7 can swing up and down, a driving mechanism such as a motor drives the turbulent limiting plate 7 to rotate, the arrangement is such that, when the turbulent limiting plate 7 is arranged along the axial direction of the exhaust duct 2, resistance to the airflow is only pressure caused by a sectional area of a vertical direction of a plate surface of the turbulent limiting plate 7, which is negligible, and when the turbulent limiting plate 7 is driven to rotate, the turbulent limiting plate has a larger blocking area in the axial direction of the exhaust duct 2, so that a flow velocity of the tail gas in the exhaust duct 2 is greatly reduced, a retention time of the tail gas is prolonged, and an enrichment effect is improved, that is the turbulent limiting plate 7 has two technical effects: the turbulence is limited and the tail gas passing time is prolonged so as to improve the enrichment effect of the ammonia gas.
In another embodiment of the invention, the ammonia gas collecting device further comprises a dynamic control mechanism, the dynamic control mechanism comprises a limiting plate 8 movably connected to the position of the three-way valve, the limiting plate 8 moves to adjust the flow rate of the ammonia gas entering the ammonia gas collecting pipeline 4, on the occasion of small flow rate, the dynamic control mechanism can be only a three-way valve, at the moment, the limiting plate 8 is a valve plate of the three-way valve, and the flow rate of different channels can be adjusted by controlling the opening and closing amplitude of the three-way valve. For other applications, however, the size of the vent passage may be in meters where a three-way valve is not available. Optionally, the dynamic control mechanism includes a limiting plate 8 movably connected to the three-way position and a motor driving the limiting plate 8 to move, and the flow rates of the limiting plate 8 and the tail gas pipe 5 or the ammonia gas collecting pipe 4 are controlled by controlling the depth of the limiting plate 8 inserted into the two pipes.
In this embodiment, further, the axial cross section of the exhaust pipe 2 is a rectangle with a vertically arranged long side, and the limiting plate 8 is a plug board which is downwards plugged from the top of the rectangle, so that the tail gas recovery amount entering the ammonia gas collecting pipe 4 can be controlled by simply controlling the plugging depth of the plug board. Preferably, an ammonia concentration detection mechanism 6 is arranged on the tail gas pipeline 5, so that the exhaust volume of the tail gas channel is determined according to the ammonia concentration of the tail gas, and when the concentration is higher, the splicing depth of the splicing plate is set deeper, so that the exhaust volume of the tail gas channel is reduced.
In the prior art and the foregoing embodiments of the present invention, ammonia gas is recovered by a spraying device, that is, preferably, the ammonia gas collecting channel is connected with a second spraying and collecting mechanism 9, where the second spraying and collecting mechanism 9 is relative to the ammonia water spraying and collecting mechanism of the collecting tower 1 as a first spraying and collecting mechanism. It is known that liquid water and sulfate radicals can realize the spray recovery of ammonia gas.
In still another embodiment of the present invention, the ammonia gas collecting channel is communicated with the gas inlet pipe 3 of the collecting tower 1, that is, the tail gas with ammonia gas is introduced into the untreated tail gas, and the arrangement can be such that the tail gas rich in ammonia gas only accounts for a part, such as one third, one fourth or even less, of the total tail gas, so that continuous circulation is possible, and on the other hand, the ammonia water concentration of the ammonia water spraying and collecting mechanism is slightly diluted to have the function of absorbing ammonia water, that is, a certain ammonia water recovery can be realized by the ammonia water spraying and collecting mechanism without additionally adding other recovery mechanisms, such as the second spraying and collecting mechanism 9, and the self-recovery effect is realized.
In this embodiment, furthermore, two sets of spraying mechanisms are disposed in the capturing tower 1, that is, a set of distilled water spraying mechanism is disposed besides the ammonia water spraying capturing mechanism, the distilled water spraying mechanism is used for recovering ammonia gas to form ammonia water, and simultaneously capturing carbon dioxide by using ammonia water, that is, the distilled water spraying mechanism has two functions, one is for recovering ammonia gas, and the other is for recovering carbon dioxide.
In a further embodiment, the ammonia gas collecting channel is also circulated back to the capturing tower 1, but the gas inlet pipe 3 is communicated with the bottom of the capturing tower 1, and the ammonia gas collecting channel is communicated with the middle upper part of the capturing tower 1, a distilled water spraying mechanism, an air inlet of an ammonia gas collecting channel, an ammonia water spraying and capturing mechanism and an air inlet of an air inlet pipeline 3 are sequentially arranged on the capturing tower 1 from top to bottom, thus, the distilled water spraying mechanism firstly encounters the ammonia in the ammonia collecting channel and the ammonia overflowing from the ammonia spraying and collecting mechanism, the ammonia is recovered to form ammonia water, the ammonia water continuously drops and is recovered with the ammonia water sprayed by the ammonia water spraying and collecting mechanism, and finally the ammonia water rich in carbon dioxide enters the ammonia water recovery device together, thus, a separate ammonia water treatment mechanism is further omitted, so that ammonia gas recovery and carbon dioxide recovery enter one treatment mechanism.
Still further, the ammonia gas collecting channel is simultaneously communicated with the second spraying collecting mechanism 9 and the air inlet pipeline 3 of the trapping tower 1, and the tail gas amount entering the second spraying collecting mechanism 9 and the air inlet pipeline 3 of the trapping tower 1 can be selectively controlled, so that the dynamic configuration of the two mechanisms is carried out according to actual requirements.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (10)
1. The utility model provides a carbon element entrapment device, sprays the entrapment tower of entrapment mechanism including having the aqueous ammonia, its characterized in that, the exhaust duct of entrapment tower upwards arranges relative horizontal plane slope, exhaust duct's end has ammonia collection pipeline and tail gas pipeline through three way connection, wherein, ammonia collection pipeline is located the top of tail gas pipeline.
2. The elemental carbon capture device of claim 1, wherein the exhaust conduit is 1-10 meters in length.
3. The elemental carbon trapping apparatus according to claim 1, wherein the exhaust duct is inclined at an angle of 30 to 60 degrees from a horizontal plane.
4. The elemental carbon capture device of claim 1, wherein the exhaust conduit is configured to have a vertical dimension that is greater than a horizontal dimension.
5. The carbon element capturing device according to claim 4, wherein the axial cross section of the exhaust duct is an ellipse whose major axis is vertically arranged.
6. The elemental carbon capture device of claim 1, further comprising a dynamic control mechanism comprising a limiting plate movably connected at the tee position, the limiting plate moving to regulate the amount of gas flow into the ammonia gas collection conduit.
7. The carbon element capturing device as claimed in claim 6, wherein the exhaust duct has a rectangular shape with a vertically long side in axial cross section, and the position limiting plate is a plug plate which is inserted downward from the top of the rectangular shape.
8. The elemental carbon trapping apparatus according to any one of claims 1 to 7, wherein an ammonia gas concentration detection mechanism is provided on the exhaust gas pipe.
9. The carbon element capturing device as claimed in claim 1, wherein the ammonia gas collecting passage communicates with an intake duct of the capturing tower.
10. The carbon element capturing device according to claim 1, wherein a second spray collecting mechanism is connected to the ammonia gas collecting passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111399358.2A CN113813762A (en) | 2021-11-24 | 2021-11-24 | Carbon element trapping device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111399358.2A CN113813762A (en) | 2021-11-24 | 2021-11-24 | Carbon element trapping device |
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| CN113813762A true CN113813762A (en) | 2021-12-21 |
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| CN202111399358.2A Pending CN113813762A (en) | 2021-11-24 | 2021-11-24 | Carbon element trapping device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115350567A (en) * | 2022-09-26 | 2022-11-18 | 北京翰海青天环保科技有限公司 | Carbon dioxide capture and purification device system |
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2021
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| CN102297790A (en) * | 2011-05-16 | 2011-12-28 | 北京大学 | Device for collecting/sampling ammonia from atmosphere by utilizing chemical amplification and use method thereof |
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| CN104107629B (en) * | 2014-08-04 | 2016-08-24 | 上海龙净环保科技工程有限公司 | A kind of smoke carbon dioxide capture system and capture method |
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