CN215486191U - Device system for capturing energy of carbon dioxide analysis tower by amine method - Google Patents
Device system for capturing energy of carbon dioxide analysis tower by amine method Download PDFInfo
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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
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- Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
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Abstract
The utility model provides a device system for capturing energy of a carbon dioxide analytic tower by an amine method, which comprises an absorption tower system, an amine liquid system and the analytic tower system which are sequentially connected; and the analysis tower system is connected with the organic Rankine cycle power generation system. The device system adopts the organic Rankine cycle power generation system to recycle the waste heat of the outlet gas of the desorption tower in the process of capturing carbon dioxide by an amine method, and converts low-grade heat in the treatment process into electric energy, thereby achieving the effects of energy conservation and emission reduction.
Description
Technical Field
The utility model relates to the technical field of energy conservation and environmental protection, in particular to a device system for capturing energy of a carbon dioxide analytic tower by an amine method.
Background
Combustion of fossil fuels results in atmospheric CO2The content is increased rapidly, and then greenhouse effect is generated, and the survival of human beings is influenced. The CCUS (Carbon Capture, Utilization and Storage) is an essential technical direction for Carbon reduction, and is also the only way for realizing deep emission reduction of fossil energy.
At present, the carbon dioxide capture technology is mainly used in thermal power plants, cement, steel, chemical industry and other industries which emit much carbon dioxide. The carbon dioxide capture technology mainly comprises a chemical absorption method, a physical membrane separation method and an adsorption method. The chemical absorption method has the advantages of mature technology, high trapping purity which reaches about 97-99 percent, but has the defects of high energy consumption, large occupied area, complex system and the like. The physical membrane separation method has the advantages of small occupied area, simple system, low trapping purity, high power consumption and less flue gas commercial application, and the purity of the product is only about 60 to 85 percent. The physical adsorption method has the problems of large adsorbent consumption, difficult adsorbent regeneration and the like. Chemical amine absorption is often used in industry to capture carbon dioxide.
CN208482032U discloses a modular carbon dioxide capture system, which uses an alcohol amine method to capture carbon dioxide in tail gas, and uses a lean solution to absorb the carbon dioxide and convert the carbon dioxide into a rich solution, and comprises an absorption module, a heat exchange module and a regeneration module, wherein the absorption module absorbs the carbon dioxide, the heat exchange module separates the rich solution and the lean solution, and the regeneration module recycles the rich solution and the lean solution. The modularized carbon dioxide capture system adopts a modularized technology, achieves the purposes of standardization and serialization, reduces the manufacturing cost and the later maintenance cost, simplifies the construction and installation operation, and shortens the construction period.
CN111437710A discloses an alcohol-amine-water system carbon dioxide capture liquid and a capture method of carbon dioxide, alcohol amine and CO2React to form stable carbamate and bicarbonate with CO2Increase of absorption amount, OH of trapped liquid-The content is gradually reduced, and the alkalinity is reduced; the lower alcohol not only can react with CO2React to form a refractory substance, and the CO is added2The capture efficiency of (a); but also can reduce the dielectric constant of water, thereby reducing the alkalinity of the collection liquid and being beneficial to the adsorption of acidic CO by the collection liquid2Desorption was carried out at a lower temperature. The method is used for treating CO2High capture rate and CO desorption2Low temperature, low energy consumption and no corrosion to equipment.
CN112169537A discloses a rapid temperature swing adsorption rotary wheel type direct air carbon dioxide capture system, which includes: a rotating wheel; the regeneration gas flows in the regeneration flow path along a second direction opposite to the first direction, wherein the regeneration gas is water vapor generated by heating of the water vapor generator, the heated regeneration gas flows through the regeneration area of the runner and then enters the condenser to be condensed, liquid obtained by condensation is condensed water, the condensed water flows into the water vapor generator through a condensation pipeline, and the gas obtained by condensation and separation is collected carbon dioxide gas. The method realizes direct and rapid capture of carbon dioxide in the air, and the negative pressure steam is used for regenerating the adsorbent, thereby effectively reducing the energy consumption of the system.
However, the above systems do not utilize the heat in the gas during the carbon dioxide capture process, which results in energy waste to some extent. Therefore, it is important to develop an apparatus system for utilizing energy of the carbon dioxide capturing/analyzing tower by the amine method.
SUMMERY OF THE UTILITY MODEL
In view of the problems in the prior art, the utility model provides a device system for energy utilization of an amine-method carbon dioxide capture desorption tower, wherein hot gas generated in the desorption tower is introduced into an organic Rankine cycle power generation system, and power generation is performed by using waste heat, so that the energy consumption of the carbon dioxide capture system is greatly reduced, and the device system has important significance for promoting industrial energy conservation.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a device system for capturing energy of a carbon dioxide analytic tower by an amine method, which comprises an absorption tower system, an amine liquid system and the analytic tower system which are sequentially connected; and the analysis tower system is connected with the organic Rankine cycle power generation system.
According to the device, an analytic tower system in the device system is connected with an organic Rankine cycle power generation system, carbon dioxide-doped steam discharged by the analytic tower enters the closed Rankine cycle power generation system which takes low-boiling-point organic matters as working media to generate power, so that the utilization of waste heat in the carbon dioxide amine method capturing process is realized, the generated electric energy can be used as the power of the whole capturing system, the energy utilization rate in the carbon dioxide capturing process is improved, and the industrial energy conservation and emission reduction are promoted.
Preferably, the organic Rankine cycle power generation system comprises an evaporation device, a turbo-mechanical device and a condensation device which are circularly connected in sequence.
In the utility model, the water vapor mixed with carbon dioxide mainly enters an evaporation device of the organic Rankine cycle power generation system for waste heat utilization.
Preferably, the turbomachinery device is coaxially coupled to a power generation device.
The turbine mechanical device is coaxially connected with a power generation device, and the low-boiling-point organic matter is vaporized under a medium-low temperature heat source to generate high-pressure steam to work so as to drive a generator to generate power.
Preferably, the condensing device is respectively connected with the condensed water storage device and the condensed water conveying device.
Preferably, the condensed water storage device is connected with the condensed water conveying device.
Preferably, the evaporation device is connected with a working medium conveying device.
Preferably, the system of resolution towers comprises a resolution tower.
Preferably, a first packing and a first gas distribution device are arranged in the desorption tower.
According to the utility model, the desorption tower is preferably internally provided with the first filler and the first gas distribution device, so that the contact area of the first amine-rich liquid and the water vapor which is generated by the reboiler and is mixed with carbon dioxide can be increased, and the desorption efficiency can be improved.
Preferably, the first packing comprises at least three packing segments.
Preferably, the first gas distribution arrangement comprises at least one gas distribution plate.
Preferably, a reflux device is arranged at the upper part of the desorption tower.
Preferably, the reflux device comprises a reflux liquid collecting device and a reflux liquid conveying device.
Preferably, the organic Rankine cycle power generation system, the reflux liquid collecting device, the reflux liquid conveying device and the desorption tower are in circulating connection.
Preferably, a carbon dioxide outlet pipe is arranged at the top of the reflux liquid collecting device.
According to the utility model, carbon dioxide-doped vapor subjected to waste heat utilization by the organic Rankine cycle power generation system is subjected to heat exchange by the evaporation device and enters the reflux liquid collection device, gaseous carbon dioxide and reflux liquid are separated, the reflux liquid is intensively returned to the desorption tower through the reflux liquid conveying device, and carbon dioxide gas is conveyed to the carbon dioxide compression purification device through a pipeline. When the carbon dioxide compression and purification device fails, the carbon dioxide gas is discharged to the flue gas discharge pipe.
Preferably, the bottom of the desorption column is provided with a reboiling device.
Preferably, the reboiling unit is in circulation communication with the desorber.
In the utility model, the amine-rich liquid sprayed from the desorption tower and the amine solution water vapor evaporated from the reboiler from bottom to top are reversely heated, so that the carbon dioxide in the amine-rich liquid is desorbed, and the whole desorption process is completed.
Preferably, a first lean amine liquid pipeline is arranged at the bottom of the desorption tower.
Preferably, a first amine-rich liquid pipeline is arranged at the side part of the desorption tower.
Preferably, the amine liquid system comprises a lean amine liquid system and a rich amine liquid system.
Preferably, the lean amine liquid system comprises a lean amine liquid conveying device, a lean amine-rich liquid heat exchange device, a lean amine liquid storage device, a lean amine liquid feeding and conveying device and a lean amine liquid cooling device which are sequentially connected from the lean amine liquid flowing direction.
The lean amine liquid cooling device has the functions of preventing water in the second lean amine liquid from evaporating into flue gas due to the fact that the temperature of the second lean amine liquid in the absorption tower is too high, keeping the temperature of the second lean amine liquid in a certain range and maintaining the absorption performance of the second lean amine liquid.
In the utility model, if the second lean amine liquid cooled by the lean amine liquid cooling device contains impurity particles and amine salt, the second lean amine liquid is required to enter a solid-liquid separation device and an ion purification device in sequence for purification treatment and then enters a lean amine liquid storage device; if the second lean amine liquid cooled by the lean amine liquid cooling device only contains impurity particles, the second lean amine liquid can enter the lean amine liquid storage device after being treated by the solid-liquid separation device. And after purification, the lean amine liquid entering the lean amine liquid storage device enters an absorption tower through a lean amine liquid feeding and conveying device and a lean amine liquid cooling device to be absorbed by carbon dioxide.
Preferably, the lean amine liquid conveying device is connected with the desorption tower system through a first lean amine liquid pipeline;
preferably, the lean amine liquid cooling device is connected with the absorption tower system through a second lean amine liquid pipeline.
Preferably, the rich amine liquid system comprises a rich amine liquid conveying device and a lean rich amine liquid heat exchange device which are connected in sequence from the rich amine liquid flowing direction.
In the utility model, the second rich amine liquid is preferably intensively conveyed to the lean/rich amine liquid heat exchange device through the rich amine liquid conveying device for heat exchange so as to recycle the heat in the first lean amine liquid generated in the desorption tower.
Preferably, the lean rich amine liquid heat exchange device is connected with the desorption tower system through a first rich amine liquid pipeline.
Preferably, the amine-rich liquid conveying device is connected with the absorption tower system through a second amine-rich liquid pipeline.
Preferably, the absorber system comprises an absorber.
Preferably, a defogging device, a second filler and a second gas distribution device are arranged in the absorption tower.
The utility model preferably selects the demisting device arranged in the absorption tower to remove the amine liquid drops carried in the flue gas after the reaction with the second lean amine liquid, so as to prevent the second lean amine liquid drops from being discharged into the environment to cause environmental pollution and reduce the loss of the second lean amine liquid. According to the utility model, the second filler and the second gas distribution device in the absorption tower are beneficial to increasing the contact area of the second lean amine liquid and the flue gas and improving the absorption efficiency of carbon dioxide in the flue gas.
Preferably, the second packing comprises at least four sets of packing segments.
Preferably, the second gas distribution arrangement comprises at least two gas distribution plates.
Preferably, the side part of the absorption tower is provided with a first cooling pipeline, a second cooling pipeline and a flue gas inlet pipe.
Preferably, a first material conveying device and a first cooling device are arranged on the first cooling pipeline in sequence from the material flowing direction.
Preferably, a second material conveying device and a second cooling device are arranged on the second cooling pipeline in sequence from the material flowing direction.
In the present invention, it is preferable that the first cooling device and the second cooling device are connected to the side of the absorption tower, because the absorption of carbon dioxide by the amine is an exothermic reaction, and the heat generated by the absorption must be removed to prevent the absorption capacity of the second lean amine liquid from being reduced due to the temperature increase of the second lean amine liquid.
Preferably, the top of the absorption tower is provided with a flue gas discharge pipe.
The use method of the device system for capturing the energy of the carbon dioxide analysis tower by the amine method comprises the following steps:
(1) the flue gas enters an absorption tower system to react with lean amine liquid, and is discharged after carbon dioxide is removed; the lean amine liquid absorbs carbon dioxide and is converted into an amine-rich liquid;
(2) the amine-rich liquid enters an analytic tower system through an amine liquid system for analysis; and the hot gas generated in the desorption process enters an organic Rankine cycle power generation system, and the waste heat of the hot gas is utilized for power generation.
According to the device system for utilizing the energy of the carbon dioxide capturing desorption tower by the amine method, the carbon dioxide-doped steam discharged from the top of the desorption tower enters the organic Rankine cycle power generation system, the heat in the carbon dioxide-doped steam discharged from the desorption tower is utilized to generate power, and the generated electric energy can be used for the power utilization of the carbon dioxide capturing system, so that the device system has important significance for promoting industrial energy conservation.
Specifically, the use method of the device system for utilizing the energy of the amine method carbon dioxide capturing and analyzing tower provided by the utility model comprises the following steps:
(1) enabling the flue gas with the carbon dioxide concentration of 10-40% to enter an absorption tower system to react with lean amine liquid at 38-42 ℃, and discharging after removing carbon dioxide; the lean amine liquid absorbs carbon dioxide and is converted into an amine-rich liquid;
(2) the amine-rich liquid is subjected to heat exchange through a lean amine-rich liquid heat exchange device in an amine liquid system, enters an analytic tower system for analysis after the temperature is 70-85 ℃; and the hot gas which is generated in the desorption process and contains carbon dioxide and water vapor and has the temperature of 100-120 ℃ enters an organic Rankine cycle power generation system, and the waste heat of the hot gas is utilized to generate power.
Compared with the prior art, the utility model has at least the following beneficial effects:
(1) the device system for capturing the energy of the carbon dioxide desorption tower by the amine method provided by the utility model absorbs the carbon dioxide in the flue gas, and simultaneously generates power by using the waste heat of the hot gas generated by the desorption tower in the treatment process, thereby reducing the energy loss in the carbon dioxide capturing process and saving the treatment cost;
(2) the device system for capturing the energy of the carbon dioxide analysis tower by the amine method provided by the utility model adopts the electric energy generated by the organic Rankine cycle power generation system, can be used as electricity for other devices in the carbon dioxide system captured by the amine method, and has a wider energy utilization form.
Drawings
FIG. 1 is a schematic view of an apparatus system for utilizing energy of an amine-method carbon dioxide capturing/analyzing column according to example 1 of the present invention.
Fig. 2 is a schematic diagram of an organic rankine cycle power generation system in the device system for energy utilization of the amine-method carbon dioxide capture desorption tower provided in embodiment 1 of the utility model.
In the figure: 1-an organic rankine cycle power generation system; 2-a resolution tower; 3-reflux liquid collecting device; 4-a reflux liquid conveying device; 5-carbon dioxide gas outlet pipe; 6-reboiling means; 7-a first lean amine liquid conduit; 8-a first amine-rich liquid conduit; 9-lean amine liquid delivery means; 10-lean and rich amine liquid heat exchange device; 11-lean amine liquid storage means; 12-lean amine liquid feeding and conveying device; 13-lean amine liquid cooling device; 14-a second lean amine liquid conduit; 15-an absorption column; 16-rich amine liquid conveying device; 17-a demisting device; 18-a first material delivery device; 19-a first cooling device; 20-a second material delivery device; 21-a second cooling device; 22-a flue gas inlet pipe; 23-a second amine-rich liquid conduit; 24-flue gas discharge pipe; 25-an ion purification device; 26-a solid-liquid separation device; 27-an evaporation device; 28-a turbomachinery device; 29-a condensing unit; 30-a power generation device; 31-a condensate storage device; 32-a condensate delivery device; 33-working medium conveying device.
Detailed Description
The technical scheme of the utility model is further explained by the specific implementation mode in combination with the attached drawings.
The present invention is described in further detail below. The following examples are merely illustrative of the present invention and do not represent or limit the scope of the claims, which are defined by the claims.
Example 1
The embodiment provides an apparatus system for energy utilization of an amine-method carbon dioxide capturing and resolving tower, a schematic diagram of which is shown in fig. 1, wherein the apparatus system comprises an absorption tower system, an amine liquid system and a resolving tower system which are connected in sequence; the analytic tower system is connected with the organic Rankine cycle power generation system 1.
Fig. 2 shows a schematic diagram of an organic rankine cycle power generation system in the device system for energy utilization of the amine capture carbon dioxide desorption tower provided in this embodiment. The organic Rankine cycle power generation system 1 comprises an evaporation device 27, a turbo mechanical device 28 and a condensation device 29 which are sequentially connected in a circulating manner; the turbomachinery device 28 is coaxially connected to a power generation device 30; the condensing device 29 is respectively connected with a condensed water storage device 31 and a condensed water conveying device 32; the condensed water storage device 31 is connected with a condensed water conveying device 32; the evaporation device 27 is connected with a working medium conveying device 33.
The analysis tower system comprises an analysis tower 2; a first filler and a first gas distribution device are arranged in the desorption tower; a reflux device is arranged at the upper part of the desorption tower; the reflux device comprises a reflux liquid collecting device 3 and a reflux liquid conveying device 4; the organic Rankine cycle power generation system 1, the reflux liquid collecting device 3, the reflux liquid conveying device 4 and the analysis tower 2 are circularly connected; a carbon dioxide gas outlet pipe 5 is arranged at the top of the reflux liquid collecting device 3; the bottom of the desorption tower is provided with a reboiling device 6; the reboiling device 6 is connected with the desorption tower 2 in a circulating way. A first lean amine liquid pipeline 7 is arranged at the bottom of the desorption tower 2; and a first amine-rich liquid pipeline 8 is arranged at the side part of the desorption tower 2.
The amine liquid system comprises an amine-poor liquid system and an amine-rich liquid system; the lean amine liquid system comprises a lean amine liquid conveying device 9, a lean amine liquid heat exchange device 10, a lean amine liquid storage device 11, a lean amine liquid feeding and conveying device 12 and a lean amine liquid cooling device 13 which are sequentially connected from the flow direction of the lean amine liquid; the lean amine liquid system further comprises an ion purification device 25 and a solid-liquid separation device 26. The lean amine liquid conveying device 9 is connected with the desorption tower system through a first lean amine liquid pipeline 7, the lean amine liquid cooling device 13 is connected with the absorption tower system through a second lean amine liquid pipeline 14, and the rich amine liquid system comprises a rich amine liquid conveying device 16 and a lean amine liquid heat exchange device 10 which are sequentially connected from the flow direction of the rich amine liquid; the lean amine-rich liquid heat exchange device 10 is connected with the desorption tower system through a first amine-rich liquid pipeline 8; the rich amine liquid conveying device 16 is connected with the absorption tower system through a second rich amine liquid pipeline 23.
The absorption tower system comprises an absorption tower 15; a demisting device 17, a second filler and a second gas distribution device are arranged in the absorption tower 15; a first cooling pipeline, a second cooling pipeline and a flue gas inlet pipe 22 are arranged on the side part of the absorption tower 15; a first material conveying device 18 and a first cooling device 19 are sequentially arranged on the first cooling pipeline from the material flowing direction; a second material conveying device 20 and a second cooling device 21 are sequentially arranged on the second cooling pipeline from the material flowing direction; the top of the absorption tower is provided with a flue gas discharge pipe 24.
Comparative example 1
The comparative example provides an apparatus system for energy utilization of an amine-captured carbon dioxide desorption tower, which is the same as that in example 1 except that an organic Rankine cycle power generation system is replaced by a gas condensation device.
Application example 1
The application example provides a method for utilizing energy of an amine method carbon dioxide capturing and analyzing tower, which is implemented by adopting the device system for utilizing the energy of the amine method carbon dioxide capturing and analyzing tower in the embodiment 1, and specifically comprises the following steps:
(1) enabling the flue gas with the carbon dioxide concentration of 10-15% to enter an absorption tower system to react with lean amine liquid at 38-42 ℃, and discharging after removing carbon dioxide; the lean amine liquid absorbs carbon dioxide and is converted into an amine-rich liquid;
(2) the amine-rich liquid is subjected to heat exchange through a lean amine-rich liquid heat exchange device in an amine liquid system, enters an analytic tower system for analysis after the temperature is 70-85 ℃; and the hot gas which is generated in the desorption process and contains carbon dioxide and water vapor and has the temperature of 100-120 ℃ enters an organic Rankine cycle power generation system, and the waste heat of the hot gas is utilized to generate power.
Application example 2
The application example provides a method for utilizing energy of an amine method carbon dioxide capturing and analyzing tower, which is implemented by adopting the device system for utilizing the energy of the amine method carbon dioxide capturing and analyzing tower in the embodiment 1, and specifically comprises the following steps:
(1) enabling the flue gas with the carbon dioxide concentration of 15-25% to enter an absorption tower system to react with lean amine liquid at 38-42 ℃, and discharging after removing carbon dioxide; the lean amine liquid absorbs carbon dioxide and is converted into an amine-rich liquid;
(2) the amine-rich liquid is subjected to heat exchange through a lean amine-rich liquid heat exchange device in an amine liquid system, enters an analytic tower system for analysis after the temperature is 70-85 ℃; and the hot gas which is generated in the desorption process and contains carbon dioxide and water vapor and has the temperature of 100-120 ℃ enters an organic Rankine cycle power generation system, and the waste heat of the hot gas is utilized to generate power.
Application example 3
The application example provides a method for utilizing energy of an amine method carbon dioxide capturing and analyzing tower, which is implemented by adopting the device system for utilizing the energy of the amine method carbon dioxide capturing and analyzing tower in the embodiment 1, and specifically comprises the following steps:
(1) enabling flue gas with the carbon dioxide concentration of 25% -40% to enter an absorption tower system to react with lean amine liquid at 38-42 ℃, and discharging after removing carbon dioxide; the lean amine liquid absorbs carbon dioxide and is converted into an amine-rich liquid;
(2) the amine-rich liquid is subjected to heat exchange through a lean amine-rich liquid heat exchange device in an amine liquid system, enters an analytic tower system for analysis after the temperature is 70-85 ℃; and the hot gas which is generated in the desorption process and contains carbon dioxide and water vapor and has the temperature of 100-120 ℃ enters an organic Rankine cycle power generation system, and the waste heat of the hot gas is utilized to generate power.
The process parameter fluctuation exists in the long-term operation of the amine method carbon dioxide capturing system, and the process parameter fluctuation can be controlled within the process parameter range according to different flue gas conditions in the actual operation process.
Application examples 1-3 utilize the hot gas that mix with carbon dioxide and vapor in the analytic tower of amine method capture carbon dioxide system to generate electricity, and the electric energy that produces can regard as various devices power consumption in the amine method capture carbon dioxide system, and the energy utilization form is more extensive, can practice thrift carbon dioxide capture cost to a certain extent.
Application comparative example 1
The application comparative example provides a method for an apparatus system for energy utilization of an amine capture carbon dioxide desorption tower, the method is carried out by the apparatus system for energy utilization of the amine capture carbon dioxide desorption tower in the comparative example 1, and the method is the same as the application example 1 except that hot gas which is generated in the desorption process and contains carbon dioxide and water vapor and has the temperature of 100-120 ℃ enters a gas condensation device for heat exchange treatment.
The hot gas generated by the desorption tower in the device system for capturing carbon dioxide by using the amine method of the comparative example is only condensed, and the condensed water is not recycled, so that the waste of heat energy is caused to a certain extent compared with application examples 1-3. And the condensing system needs a conveying device such as a condensing pump and the like, and extra electric energy needs to be consumed, so that the carbon dioxide capturing cost is increased.
In conclusion, the device system for capturing and utilizing the energy of the carbon dioxide desorption tower by the amine method provided by the utility model absorbs the carbon dioxide in the flue gas, and simultaneously, the hot gas generated by the desorption tower in the treatment process enters the organic Rankine cycle power generation system to convert the low-grade heat in the gas into electric energy, thereby achieving the effects of energy conservation and emission reduction.
The applicant declares that the present invention illustrates the detailed structural features of the present invention through the above embodiments, but the present invention is not limited to the above detailed structural features, that is, it does not mean that the present invention must be implemented depending on the above detailed structural features. It should be understood by those skilled in the art that any modifications of the present invention, equivalent substitutions of selected components of the present invention, additions of auxiliary components, selection of specific modes, etc., are within the scope and disclosure of the present invention.
Claims (10)
1. The device system for utilizing the energy of the amine method capture carbon dioxide desorption tower is characterized by comprising an absorption tower system, an amine liquid system and a desorption tower system which are sequentially connected; and the analysis tower system is connected with the organic Rankine cycle power generation system.
2. The device system for energy utilization of the amine capture carbon dioxide desorption tower, according to claim 1, is characterized in that the organic Rankine cycle power generation system comprises an evaporation device, a turbo-mechanical device and a condensation device which are sequentially connected in a circulating manner.
3. The device system for capturing energy of the carbon dioxide desorption tower by the amine method according to claim 2, wherein the turbo-mechanical device is coaxially connected with a power generation device;
the evaporation device is connected with a working medium conveying device.
4. The apparatus system for energy utilization of the amine capture carbon dioxide desorption tower according to claim 1, wherein the desorption tower system comprises a desorption tower;
and a reflux device is arranged at the upper part of the desorption tower.
5. The apparatus system for energy utilization in a carbon dioxide capturing and resolving tower according to claim 4, wherein the reflux device comprises a reflux liquid collecting device and a reflux liquid delivering device.
6. The device system for energy utilization of the amine capture carbon dioxide desorption tower, according to claim 5, characterized in that the organic Rankine cycle power generation system, the reflux liquid collecting device, the reflux liquid conveying device and the desorption tower are sequentially and circularly connected.
7. The device system for energy utilization of the amine capture carbon dioxide desorption tower according to claim 4, characterized in that a first amine-poor liquid pipeline is arranged at the bottom of the desorption tower;
and a first amine-rich liquid pipeline is arranged on the side part of the desorption tower.
8. The device system for energy utilization of the amine capture carbon dioxide desorption tower according to claim 1, wherein the amine liquid system comprises an amine-poor liquid system and an amine-rich liquid system.
9. The device system for energy utilization of the amine capture carbon dioxide desorption tower according to claim 8, characterized in that the lean amine liquid system comprises a lean amine liquid conveying device, a lean amine liquid heat exchange device, a lean amine liquid storage device, a lean amine liquid feeding and conveying device and a lean amine liquid cooling device which are connected in sequence from the flow direction of the lean amine liquid.
10. The apparatus system for energy utilization of the amine capture carbon dioxide desorption tower according to claim 8, wherein the rich amine liquid system comprises a rich amine liquid conveying device and a lean amine liquid heat exchange device which are connected in sequence from the flow direction of the rich amine liquid.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115371450A (en) * | 2022-08-24 | 2022-11-22 | 中国电建集团江西省电力设计院有限公司 | Multi-heat-source-driven cement kiln carbon capture and organic Rankine cycle deep waste heat utilization system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115371450A (en) * | 2022-08-24 | 2022-11-22 | 中国电建集团江西省电力设计院有限公司 | Multi-heat-source-driven cement kiln carbon capture and organic Rankine cycle deep waste heat utilization system |
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