CN114733315A - Blowing-sucking type carbon dioxide adsorption and trapping reaction device - Google Patents
Blowing-sucking type carbon dioxide adsorption and trapping reaction device Download PDFInfo
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- CN114733315A CN114733315A CN202210374576.9A CN202210374576A CN114733315A CN 114733315 A CN114733315 A CN 114733315A CN 202210374576 A CN202210374576 A CN 202210374576A CN 114733315 A CN114733315 A CN 114733315A
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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
- B01D53/0407—Constructional details of adsorbing systems
- B01D53/0438—Cooling or heating systems
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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
- B01D53/0407—Constructional details of adsorbing systems
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/112—Metals or metal compounds not provided for in B01D2253/104 or B01D2253/106
- B01D2253/1124—Metal oxides
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0233—Other waste gases from cement factories
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/40—Further details for adsorption processes and devices
- B01D2259/40011—Methods relating to the process cycle in pressure or temperature swing adsorption
- B01D2259/40043—Purging
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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/151—Reduction of greenhouse gas [GHG] emissions, e.g. CO2
Abstract
The invention relates to the field of carbon dioxide adsorption and capture reaction, in particular to a blowing-sucking type carbon dioxide adsorption and capture reaction device, aiming at solving the problems that the prior carbon capture equipment has complex structure, low efficiency and is not in line with development requirements, a flue gas flowing flue is in a funnel shape with a sealed top, a wind distribution fluidization device is arranged at the bottom of the flue gas flowing flue, a fluidization wind conveying system is communicated with the wind distribution fluidization device, an intermediate partition wall is arranged at the inner side of the flue gas flowing flue, the intermediate partition wall divides the flue gas flowing flue into a flue gas inlet cavity and a flue gas outlet cavity, a high-temperature flue gas inlet flue is communicated with the flue gas inlet cavity internally provided with a front flue heat exchanger, a high-temperature flue gas outlet flue is communicated with the flue gas outlet cavity internally provided with a rear flue heat exchanger, a carbon dioxide adsorbent replenishing pipeline is arranged at the side part of the lower end of the flue gas outlet cavity, and the scheme fully exerts the characteristics of calcium-based compounds, the carbon dioxide adsorbent is used as a carbon dioxide adsorbent, so that the system arrangement is simplified, and the investment cost and the operation cost are reduced.
Description
Technical Field
The invention relates to the field of carbon dioxide adsorption and capture reaction, in particular to a blowing-sucking type carbon dioxide adsorption and capture reaction device.
Background
Carbon dioxide generated in the production processes of a thermal power plant, cement, paper, an industrial boiler and a furnace kiln accounts for a large proportion in the total carbon dioxide emission in China, low-cost, high-efficiency and high-concentration capture of the carbon dioxide generated in the production process of the industry has a profound influence on the realization of double carbon targets in China, and the existing carbon capture equipment is complex in structure, low in efficiency and not in line with development requirements.
Disclosure of Invention
The invention aims to provide the following technical scheme: the invention provides a blowing-sucking type carbon dioxide adsorption and trapping reaction device, aiming at solving the problems of complex structure and low efficiency of the existing carbon trapping equipment.
The invention is realized by the following scheme:
a blowing-sucking type carbon dioxide adsorption and capture reaction device comprises a flue gas circulation flue, a high-temperature flue gas inlet flue, a high-temperature flue gas outlet flue, a middle partition wall, a front flue heat exchanger, a rear flue heat exchanger, an air distribution fluidization device, a carbon dioxide adsorbent supplementing pipeline and a fluidized air conveying system;
flue gas circulation flue is the top and seals hourglass hopper-shaped, and the bottom at flue gas circulation flue is arranged to cloth wind fluidizer, fluidization wind conveying system and cloth wind fluidizer intercommunication, intermediate wall sets up the inboard at flue gas circulation flue, and the top and both ends of intermediate wall all with flue gas circulation flue fixed connection, and intermediate wall divide into flue gas inlet cavity and flue gas outlet cavity with flue gas circulation flue, and the upper end intercommunication of high temperature flue gas inlet flue and flue gas inlet cavity, preceding flue heat exchanger set up in flue gas inlet cavity, and high temperature flue gas outlet flue communicates with the upper end of flue gas outlet cavity, and back flue heat exchanger sets up in flue gas outlet cavity, and carbon dioxide adsorbent supplyes the pipeline setting at the lateral part of flue gas outlet cavity lower extreme.
Further, the air distribution fluidizing device comprises an air distribution plate, a fluidizing air chamber and a plurality of air caps;
the fluidized air chamber is fixed at the bottom of a flue gas flowing flue, the bottom of the fluidized air chamber is sealed, the air distribution plate is fixedly arranged inside the fluidized air chamber, and the air caps are arranged on the air distribution plate.
Still further, the fluidized air conveying system comprises a fluidized fan and a conveying pipeline;
the inlet end of the conveying pipeline is connected with the fluidization fan, and the outlet end of the conveying pipeline is communicated with the bottom of the fluidization air chamber.
Furthermore, an air door is arranged on the conveying pipeline;
still further, a flowmeter is arranged on the conveying pipeline.
Has the advantages that:
1. a carbon dioxide adsorbent supplementing pipeline of a calcium-based compound adsorbent is arranged at the middle lower part of the flue gas outlet chamber, and a calcium-based compound (such as Cao and the like) is used as the carbon dioxide adsorbent, so that the characteristics of the calcium-based compound are fully exerted, the system arrangement is simplified, and the investment cost and the operation cost are reduced;
2. the reaction device can be fully coupled and cooperated with systems such as power plants, cement, papermaking, industrial boilers, furnaces and the like, so that the high-efficiency capture of the carbon dioxide in the flue gas is realized;
3. the concentration of the carbon dioxide obtained by capturing is high, which is beneficial to the utilization of the downstream link.
4. The reaction device adopts a mature technical route to realize the low-cost and high-efficiency capture of carbon dioxide and the realization of the assisted double-carbon target.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a first schematic diagram of a blowing-sucking carbon dioxide adsorption and capture reaction device according to the present invention.
FIG. 2 is a second schematic diagram of a blowing-sucking carbon dioxide adsorption and capture reaction device according to the present invention.
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 accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
As used herein, the singular forms "a", "an", "the" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. It will be understood that when an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements may also be present. Further, "connected" or "coupled" as used herein may include wirelessly connected or coupled. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but 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 construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
For the convenience of understanding the embodiments of the present invention, the following description will be further explained by taking several specific embodiments as examples in conjunction with the drawings, and the embodiments are not to be construed as limiting the embodiments of the present invention.
The first embodiment is as follows: a blowing-sucking type carbon dioxide adsorption and capture reaction device comprises a flue gas circulation flue 1, a high-temperature flue gas inlet flue 2, a high-temperature flue gas outlet flue 3, an intermediate partition wall 4, a front flue heat exchanger 5, a rear flue heat exchanger 6, an air distribution fluidizing device 7, a carbon dioxide adsorbent supplementing pipeline 8 and a fluidized air conveying system 9;
the flue gas flowing flue 1 is in a funnel shape with a sealed top, the air distribution fluidizing device 7 is arranged at the bottom of the flue gas flowing flue 1, the fluidized air conveying system 9 is communicated with the air distribution fluidizing device 7, the intermediate partition wall 4 is arranged at the inner side of the flue gas circulation flue 1, the top and two ends of the intermediate partition wall 4 are fixedly connected with the flue gas circulation flue 1, and the middle partition wall 4 divides a flue gas flowing flue into a flue gas inlet cavity 1-1 and a flue gas outlet cavity 1-2, the high-temperature flue gas inlet flue 2 is communicated with the upper end of the flue gas inlet cavity 1-1, the front flue heat exchanger 5 is arranged in the flue gas inlet cavity 1-1, the high-temperature flue gas outlet flue 3 is communicated with the upper end of the flue gas outlet cavity 1-2, the rear flue heat exchanger 6 is arranged in the flue gas outlet cavity 1-2, and the carbon dioxide adsorbent supplementing pipeline 8 is arranged on the side part of the lower end of the flue gas outlet cavity 1-2.
In the present embodiment: the middle partition wall structure is arranged in a flue gas flowing flue, heat exchangers are arranged in two side flues respectively, the heat exchangers in a flue gas inlet cavity are mainly used for accurately regulating and controlling the temperature of flue gas so as to improve the adsorption efficiency of an adsorbent on carbon dioxide, and the heat exchangers in a flue gas outlet cavity are used for regulating and controlling the temperature of the flue gas and absorbing reaction heat; in addition, in order to ensure the adsorption and capture efficiency of the carbon dioxide, the lower part of the flue is provided with an air distribution plate, and the middle lower part of the flue gas outlet chamber is provided with a carbon dioxide adsorbent supplementing pipeline of the calcium-based compound adsorbent.
The second embodiment is as follows: a blowing-sucking type carbon dioxide adsorption and capture reaction device is disclosed, wherein an air distribution fluidization device 7 comprises an air distribution plate 7-1, a fluidization air chamber 7-2 and a plurality of air caps 7-3;
the fluidized air chamber 7-2 is fixed at the bottom of the flue gas flowing flue 1, the bottom of the fluidized air chamber 7-2 is sealed, the air distribution plate 7-1 is fixedly arranged inside the fluidized air chamber 7-2, and the air caps 7-3 are all arranged on the air distribution plate 7-1.
In the present embodiment: the air distribution fluidization device mainly comprises an air cap and an air distribution plate, the fluidized air chamber provides stable fluidized air for the air distribution plate, and the fluidized air conveying system comprises a fan, a flowmeter and an air door; the flue gas outlet chamber is a main capturing and reacting area for capturing carbon dioxide in flue gas by using the calcium-based adsorbent.
Other embodiments are the same as the first embodiment.
The third concrete implementation mode: a blowing-sucking type carbon dioxide adsorption and capture reaction device is characterized in that a fluidized air conveying system 9 comprises a fluidized fan 9-1 and a conveying pipeline 9-2;
the inlet end of the conveying pipeline 9-2 is connected with the fluidizing fan 9-1, and the outlet end of the conveying pipeline 9-2 is communicated with the bottom of the fluidizing air chamber 7-2.
Other embodiments are the same as the second embodiment.
The fourth concrete implementation mode is as follows: a blowing-sucking type carbon dioxide adsorption and trapping reaction device is characterized in that an air door 9-3 is arranged on a conveying pipeline 9-2.
In the present embodiment: the air door is opened and closed to control the supply of air.
Other embodiments are the same as the third embodiment.
The fifth concrete implementation mode: a blowing-sucking type carbon dioxide adsorption and trapping reaction device is characterized in that a flow meter 9-4 is arranged on a conveying pipeline 9-2.
In the present embodiment: the flow meter is used for monitoring the wind flow.
The other embodiments are the same as the fourth embodiment.
The working principle is as follows:
calcium-based compounds (such as Cao and the like) are used as carbon dioxide adsorbents, and carbon dioxide in high-temperature flue gas such as flue gas generated in the production processes of thermal power plants, cement, papermaking, industrial boilers, furnaces and the like is used as an adsorption and trapping object; in order to accurately regulate and control the temperature of the flue gas so as to improve the adsorption and trapping efficiency of the adsorbent on carbon dioxide in the flue gas, a middle partition wall structure is arranged in a flue gas flowing flue, heat exchangers are respectively arranged in two side flues, the heat exchangers in a flue gas inlet cavity are mainly used for accurately regulating and controlling the temperature of the flue gas so as to improve the adsorption efficiency of the adsorbent on the carbon dioxide, and the heat exchangers in a flue gas outlet cavity are used for regulating and controlling the temperature of the flue gas and absorbing reaction heat; in addition, in order to ensure the adsorption and capture efficiency of the carbon dioxide, the lower part of the flue is provided with an air distribution plate, and the middle lower part of the flue gas outlet chamber is provided with a carbon dioxide adsorbent supplementing pipeline of the calcium-based compound adsorbent.
The working process of the carbon dioxide adsorption and capture reaction device is that high-temperature flue gas enters a flue gas inlet cavity of the reaction device through a high-temperature flue gas inlet flue, in order to ensure that a calcium-based adsorbent has higher adsorption and capture efficiency on carbon dioxide in the flue gas, a front flue heat exchanger is arranged in the flue gas inlet cavity of the reactor to realize the optimal flue gas temperature regulation function on different inlet flue gas temperatures, an air distribution fluidizing device is arranged at the lower end of a flue gas flowing flue to ensure that the calcium-based adsorbent can be fully contacted and reacted with the flue gas, the air distribution fluidizing device mainly comprises an air cap and an air distribution plate, a fluidizing air chamber is arranged at the lower end of the air distribution fluidizing device to provide stable fluidizing air for the air distribution plate, and a fluidizing air conveying system comprises a fan, a flowmeter and an air door; the flue gas outlet chamber is a main trapping and reaction area for trapping carbon dioxide in flue gas by using a calcium-based adsorbent, a carbon dioxide adsorbent supplementing pipeline of the calcium-based adsorbent is arranged at the lower end of the flue gas inlet chamber in order to ensure trapping efficiency, a rear flue heat exchanger for absorbing and adjusting the temperature of the flue gas is arranged, the carbon dioxide in the flue gas outlet chamber is fully adsorbed, and the purified flue gas and a calcium carbonate particle gas-solid mixture generated by reaction enter a downstream link from a flue gas flowing flue.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (5)
1. The utility model provides a pressure-vaccum formula carbon dioxide adsorbs entrapment reaction unit which characterized in that: the device comprises a flue gas circulation flue (1), a high-temperature flue gas inlet flue (2), a high-temperature flue gas outlet flue (3), an intermediate partition wall (4), a front flue heat exchanger (5), a rear flue heat exchanger (6), an air distribution fluidizing device (7), a carbon dioxide adsorbent supplementing pipeline (8) and a fluidized air conveying system (9);
the flue gas circulation flue (1) is the funnel-shaped that the top seals, and cloth wind fluidizer (7) arranges in the bottom of flue gas circulation flue (1), fluidization wind conveying system (9) and cloth wind fluidizer (7) intercommunication, intermediate wall (4) set up the inboard at flue gas circulation flue (1), the top and both ends of intermediate wall (4) all with flue gas circulation flue (1) fixed connection, and intermediate wall (4) divide flue gas circulation flue into flue gas inlet chamber (1-1) and flue gas export chamber (1-2), high temperature flue gas inlet flue (2) and the upper end intercommunication of flue gas inlet chamber (1-1), preceding flue heat exchanger (5) set up in flue gas inlet chamber (1-1), high temperature flue gas export flue (3) and the upper end intercommunication of flue gas export chamber (1-2), the back flue heat exchanger (6) is arranged in the flue gas outlet chamber (1-2), and the carbon dioxide adsorbent supplementing pipeline (8) is arranged on the side part of the lower end of the flue gas outlet chamber (1-2).
2. The blowing-sucking type carbon dioxide adsorption capture reaction device according to claim 1, wherein: the air distribution fluidizing device (7) comprises an air distribution plate (7-1), a fluidizing air chamber (7-2) and a plurality of air caps (7-3);
the fluidized air chamber (7-2) is fixed at the bottom of the flue gas flowing flue (1), the bottom of the fluidized air chamber (7-2) is sealed, the air distribution plate (7-1) is fixedly arranged inside the fluidized air chamber (7-2), and the plurality of air caps (7-3) are arranged on the air distribution plate (7-1).
3. The blowing-sucking type carbon dioxide adsorption capture reaction device according to claim 2, wherein: the fluidized air conveying system (9) comprises a fluidized fan (9-1) and a conveying pipeline (9-2);
the inlet end of the conveying pipeline (9-2) is connected with the fluidizing fan (9-1), and the outlet end of the conveying pipeline (9-2) is communicated with the bottom of the fluidizing air chamber (7-2).
4. The blowing-sucking type carbon dioxide adsorption capture reaction device according to claim 3, wherein: and an air door (9-3) is arranged on the conveying pipeline (9-2).
5. The blowing-sucking type carbon dioxide adsorption trapping reaction device according to claim 4, characterized in that: and a flowmeter (9-4) is arranged on the conveying pipeline (9-2).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210374576.9A CN114733315A (en) | 2022-04-11 | 2022-04-11 | Blowing-sucking type carbon dioxide adsorption and trapping reaction device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210374576.9A CN114733315A (en) | 2022-04-11 | 2022-04-11 | Blowing-sucking type carbon dioxide adsorption and trapping reaction device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116943421A (en) * | 2023-09-18 | 2023-10-27 | 江苏华星东方电力环保科技有限公司 | High-efficiency turbulent circulation dry deacidification device and method |
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| CN101745299A (en) * | 2009-10-23 | 2010-06-23 | 清华大学 | Method and apparatus for capturing CO2 in flue gas by utilizing three-phase circulating fluidized bed and ammonia |
| CN109647134A (en) * | 2018-12-18 | 2019-04-19 | 东南大学 | A kind of multistage serial bubbling bed-transports bed and is stacked CO2Adsorptive reactor and method |
| CN214389500U (en) * | 2020-10-29 | 2021-10-15 | 河北百翔化工机械有限责任公司 | Fluidized bed organic waste gas concentration device |
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| JPH0989213A (en) * | 1995-09-22 | 1997-04-04 | Hitachi Ltd | Non-catalitic denitration device for fluidized bed boiler device |
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| CN101745299A (en) * | 2009-10-23 | 2010-06-23 | 清华大学 | Method and apparatus for capturing CO2 in flue gas by utilizing three-phase circulating fluidized bed and ammonia |
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