CN218452040U - Utilize supplementary carbon entrapment of geothermol power to carry pressure equipment to put - Google Patents
Utilize supplementary carbon entrapment of geothermol power to carry pressure equipment to put Download PDFInfo
- Publication number
- CN218452040U CN218452040U CN202222346328.1U CN202222346328U CN218452040U CN 218452040 U CN218452040 U CN 218452040U CN 202222346328 U CN202222346328 U CN 202222346328U CN 218452040 U CN218452040 U CN 218452040U
- Authority
- CN
- China
- Prior art keywords
- liquid
- rich
- outlet
- inlet
- tower
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Treating Waste Gases (AREA)
Abstract
The utility model relates to a pressure-increasing device for assisting carbon capture by utilizing terrestrial heat, which relates to the field of terrestrial heat and carbon capture and comprises an absorption tower, a liquid separation tank, a geothermal well, a desorption tower and a reboiler; a waste gas inlet is formed in the bottom of the side end of the absorption tower, a fan is arranged at the waste gas inlet of the absorption tower, a purified tail gas outlet is formed in the top end of the absorption tower, a rich liquid outlet is formed in the bottom end of the absorption tower, and the rich liquid outlet is connected to a rich liquid inlet of the desorption tower through a solution pump; and a gas transmission pipeline is arranged at a gas outlet at the top end of the desorption tower, the gas transmission pipeline is connected to the liquid separation tank after passing through the geothermal well, a liquid transmission pipeline is arranged at a barren solution outlet at the bottom end of the desorption tower, and the liquid transmission pipeline is connected to a barren solution inlet of the absorption tower after passing through the geothermal well. This utilize supplementary carbon entrapment of geothermol power to carry out the cooling heat transfer to underground low temperature region through circulation liquid and high temperature desorption gas constantly, simplify technology, effective stable absorption system reduces the energy consumption, practices thrift a large amount of circulating water, improves system's comprehensive efficiency.
Description
Technical Field
The utility model relates to a geothermol power and carbon entrapment field, concretely relates to utilize supplementary carbon entrapment of geothermol power to carry and press device.
Background
In recent years, with the rapid increase of the installed capacity of thermal power plants, the absolute amount and relative proportion of carbon dioxide emissions from coal-fired power plants will increase further. Because the energy structure of China is mainly coal-fired power generation and the long-term investment on coal-fired power generation in future, the effective removal of carbon dioxide from coal-fired flue gas is not slow. At present, methods for capturing carbon dioxide in flue gas of coal-fired power plants mainly include an absorption method, an adsorption method, a membrane separation method and the like, and a chemical absorption method is the most mature method in the prior art, and the principle of the method is that carbon dioxide in flue gas reacts with a chemical solvent to be absorbed, rich liquid after carbon dioxide is absorbed is heated and analyzed by a desorption tower to release carbon dioxide gas to become lean liquid, and the lean liquid absorbs carbon dioxide in the flue gas, for example, the carbon dioxide in the flue gas is captured, separated and purified in a circulating operation mode, but the absorption method needs a large amount of energy consumption.
Geothermal energy is taken as a clean energy source, the characteristic of abundant reserves of geothermal energy is increasingly emphasized by more and more countries, and based on the content, a device for assisting carbon capture and pressure increase by utilizing geothermal energy is provided.
Disclosure of Invention
The utility model discloses in using geothermol power as the heat source application to carbon entrapment technique, provide a new installation that utilizes geothermol power to assist carbon entrapment.
The utility model discloses a following technical scheme realizes above-mentioned purpose:
a device for assisting carbon capture and pressure increase by utilizing terrestrial heat comprises an absorption tower, a liquid separation tank, a geothermal well, a desorption tower and a reboiler;
the bottom of the side end of the absorption tower is provided with a waste gas inlet, the top end of the absorption tower is provided with a purified tail gas outlet, the bottom end of the absorption tower is provided with a rich liquid outlet, and the rich liquid outlet is connected to a rich liquid inlet of the desorption tower through a solution pump;
a gas pipeline is arranged between the gas outlet at the top end of the desorption tower and the liquid separating tank, the gas pipeline is connected in series with a gas pipe inside the geothermal well, a liquid conveying pipeline is arranged between the lean solution outlet at the bottom end of the desorption tower and the lean solution inlet of the absorption tower, and the liquid conveying pipeline is connected in series with a liquid pipe inside the geothermal well;
the bottom end of the liquid separation tank is connected to the top of the absorption tower through a pipe valve, and the top end of the liquid separation tank is provided with a high-pressure carbon dioxide outlet;
and a steam inlet and outlet of the reboiler is connected to a steam inlet and outlet at the side end of the desorption tower close to the bottom.
As a further optimization scheme of the utility model, the waste gas import department of absorption tower is equipped with the fan.
As the utility model discloses a further optimization scheme, process infusion pipeline behind the geothermal well liquid pipe is equipped with two the tunnel, and infusion pipeline connects the barren liquor import that absorption tower side end is close to the top all the way, and another way infusion pipeline connects the barren liquor import that absorption tower side is located the centre.
As the utility model discloses a further optimization scheme, the rich liquid pipeline of solution pump play liquid side is equipped with two the tunnel, and rich liquid pipe connection desorber side is close to the rich liquid import on top all the way, and another way rich liquid pipe connection desorber side is located the rich liquid import in the middle of.
As a further optimization scheme of the utility model, be equipped with the pre-heater between the rich liquid import that rich liquid pipeline and desorber side end are close to the top all the way, just the gas transmission pipeline that desorber top end gas outlet is connected to the trachea of geothermal well through the pre-heater.
As a further optimization scheme of the utility model, be equipped with the lean and rich liquid heat exchanger between the rich liquid import that another way rich liquid pipeline and desorber side are located the centre, just desorber lean liquid exit linkage's infusion pipeline passes through the liquid pipe that lean and rich liquid heat exchanger is connected to the geothermal well.
The beneficial effects of the utility model reside in that:
this utilize supplementary carbon entrapment of geothermol power to carry out the cooling heat transfer to secret low-temperature region through circulation liquid and high temperature desorption gas constantly, simplify technology, effectively stabilize absorption system, reduce the energy consumption, practice thrift a large amount of circulating water, improve system's comprehensive efficiency, reduced the consumption of electric energy moreover, reduced carbon and discharged.
Drawings
Fig. 1 is a schematic flow chart of the present invention.
In the figure: 1. an absorption tower; 2. a desorber; 3. a geothermal well; 4. separating the liquid tank; 5. a reboiler; 6. a gas pipeline; 7. a fluid delivery conduit; 8. a fan; 9. a solution pump; 10. a preheater; 11. and a lean-rich liquid heat exchanger.
Detailed Description
The present application will now be described in further detail with reference to the drawings, it should be noted that the following detailed description is given for illustrative purposes only and is not to be construed as limiting the scope of the present application, as those skilled in the art will be able to make numerous insubstantial modifications and adaptations to the present application based on the above disclosure.
The device for assisting carbon capture and pressure increase by utilizing geothermal energy in the embodiment comprises an absorption tower 1, a liquid separation tank 4, a geothermal well 3, a desorption tower 2 and a reboiler 5;
a waste gas inlet is formed in the bottom of the side end of the absorption tower 1, a fan 8 is arranged at the waste gas inlet of the absorption tower 1, a purified tail gas outlet is formed in the top end of the absorption tower 1, a rich liquid outlet is formed in the bottom end of the absorption tower 1, and the rich liquid outlet is connected to a rich liquid inlet of the desorption tower 2 through a solution pump 9; a gas pipeline 6 is arranged at a gas outlet at the top end of the desorption tower 2, the gas pipeline 6 is connected to the liquid separation tank 4 after passing through the geothermal well 3, a liquid conveying pipeline 7 is arranged at a lean solution outlet at the bottom end of the desorption tower 2, and the liquid conveying pipeline 7 is connected to a lean solution inlet of the absorption tower 1 after passing through the geothermal well 3; a gas pipe connected to a gas transmission pipeline 6 between a gas outlet of the desorption tower 2 and the liquid separation tank 4 and a liquid pipe connected between a lean solution outlet of the desorption tower 2 and a lean solution inlet of the absorption tower 1 are respectively arranged in the geothermal well 3; the bottom end of the liquid separation tank 4 is connected to the top of the absorption tower 1 through a pipe valve, and the top end of the liquid separation tank 4 is provided with a high-pressure carbon dioxide outlet; a steam inlet and outlet of the reboiler 5 is connected with a steam inlet and outlet at the side end of the desorption tower 2 close to the bottom.
Furthermore, two paths of liquid conveying pipelines 7 passing through the geothermal well 3 are arranged, one path of liquid conveying pipeline 7 is connected with a lean solution inlet at the side end close to the top end of the absorption tower 1, and the other path of liquid conveying pipeline 7 is connected with a lean solution inlet at the middle of the side end of the absorption tower 1.
Furthermore, the rich liquid pipeline at the liquid outlet side of the solution pump 9 is provided with two paths, one path of the rich liquid pipeline is connected with the rich liquid inlet at the side end of the desorption tower 2 close to the top end, and the other path of the rich liquid pipeline is connected with the rich liquid inlet at the middle of the side end of the desorption tower 2.
Furthermore, a preheater 10 is arranged between one rich liquid pipeline and a rich liquid inlet at the side end of the desorption tower 2 close to the top end, and a gas transmission pipeline 6 at a gas outlet at the top end of the desorption tower 2 is connected to a gas pipe of the geothermal well 3 through the preheater 10.
Furthermore, a lean-rich liquid heat exchanger 11 is arranged between the other rich liquid pipeline and a rich liquid inlet positioned in the middle of the side end of the desorption tower 2, and a liquid conveying pipeline 7 of a lean liquid outlet of the desorption tower 2 is connected to a liquid pipe of the geothermal well 3 through the lean-rich liquid heat exchanger 11.
The working principle is as follows: an inlet of a fan 8 is connected with a flue gas feeding pipeline, an outlet of the fan 8 is connected with a waste gas inlet of the absorption tower 1, the flue gas flows through the absorption tower 1 from bottom to top and forms countercurrent contact with absorption liquid sprayed into the absorption tower 1 from the upper part, carbon dioxide in the flue gas is absorbed by the absorption liquid, and the absorbed rich solution is boosted by a solution pump 9 and then sent to a desorption tower 2. Rich solution at the outlet of the solution pump 9 enters the desorption tower 2 from the upper part of the desorption tower 2 in two paths, contacts with steam in the desorption tower 2 and desorbs partial carbon dioxide, and then falls into a reboiler 5 matched with the desorption tower 2 to be heated, so that the carbon dioxide in the absorption solution is further desorbed; and discharging the high-pressure mixed gas containing carbon dioxide and water vapor obtained by desorption from the top of the desorption tower 2, exchanging heat between the discharged mixed gas and one path of rich solution, preheating the rich solution, and then desorbing. The mixed gas after heat exchange enters the geothermal well 3 through a pipeline for cooling and heat exchange, the cooled gas-liquid mixture enters the liquid separation tank 4 through a pipeline, high-pressure carbon dioxide gas is obtained after separation, and the separated liquid is sent to the top of the absorption tower 1 and is used for removing absorption liquid carried in purified tail gas, so that the solvent loss is reduced. The lean solution after desorbing the carbon dioxide at the bottom of the desorption tower 2 exchanges heat with the other path of rich solution at the outlet of the solution pump 9 through the lean and rich solution heat exchanger 11, enters the geothermal well 3 through a pipeline to be cooled (the geothermal temperature is about 20 ℃, the lean solution temperature is about 40-60 ℃), and the cooled lean solution enters the upper part of the absorption tower 1 through a pipeline in two paths to be subjected to circulating absorption operation.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.
Claims (6)
1. A carbon capture pressure raising device assisted by geothermal energy is characterized by comprising an absorption tower, a liquid separation tank, a geothermal well, a desorption tower and a reboiler;
the bottom of the side end of the absorption tower is provided with a waste gas inlet, the top end of the absorption tower is provided with a purified tail gas outlet, the bottom end of the absorption tower is provided with a rich liquid outlet, and the rich liquid outlet is connected to a rich liquid inlet of the desorption tower through a solution pump;
a gas pipeline is arranged between the gas outlet at the top end of the desorption tower and the liquid separating tank, the gas pipeline is connected in series with a gas pipe inside the geothermal well, a liquid conveying pipeline is arranged between the lean solution outlet at the bottom end of the desorption tower and the lean solution inlet of the absorption tower, and the liquid conveying pipeline is connected in series with a liquid pipe inside the geothermal well;
the bottom end of the liquid separation tank is connected to the top of the absorption tower through a pipe valve, and the top end of the liquid separation tank is provided with a high-pressure carbon dioxide outlet;
and a steam inlet and outlet of the reboiler is connected to a steam inlet and outlet at the side end of the desorption tower close to the bottom.
2. The device for assisting in carbon capture and pressure increase by utilizing geothermal energy as claimed in claim 1, wherein a fan is arranged at an exhaust gas inlet of the absorption tower.
3. The geothermal-assisted carbon capture pressure boosting device according to claim 1, wherein the liquid conveying pipeline passing through the geothermal well liquid pipe is provided with two paths, one path of liquid conveying pipeline is connected with the lean liquid inlet at the side end of the absorption tower close to the top end, and the other path of liquid conveying pipeline is connected with the lean liquid inlet at the side end of the absorption tower in the middle.
4. The geothermal-assisted carbon capture pressure boosting device according to claim 1, wherein the liquid-rich pipeline on the liquid outlet side of the solution pump is provided with two paths, one path of the liquid-rich pipeline is connected with the liquid-rich inlet at the side end of the desorption tower close to the top end, and the other path of the liquid-rich pipeline is connected with the liquid-rich inlet at the side end of the desorption tower in the middle.
5. The geothermal-assisted carbon capture pressure boosting device according to claim 4, wherein a preheater is arranged between one of the rich liquid pipelines and a rich liquid inlet close to the top end of the desorption tower, and a gas transmission pipeline connected with a gas outlet at the top end of the desorption tower is connected to a gas pipe of a geothermal well through the preheater.
6. The geothermal-assisted carbon capture pressure boosting device according to claim 5, wherein a lean-rich liquid heat exchanger is arranged between the other rich liquid pipeline and a rich liquid inlet positioned at the middle of the side end of the desorption tower, and the liquid conveying pipeline connected with the lean liquid outlet of the desorption tower is connected to a liquid pipe of the geothermal well through the lean-rich liquid heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222346328.1U CN218452040U (en) | 2022-09-05 | 2022-09-05 | Utilize supplementary carbon entrapment of geothermol power to carry pressure equipment to put |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222346328.1U CN218452040U (en) | 2022-09-05 | 2022-09-05 | Utilize supplementary carbon entrapment of geothermol power to carry pressure equipment to put |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218452040U true CN218452040U (en) | 2023-02-07 |
Family
ID=85125631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222346328.1U Active CN218452040U (en) | 2022-09-05 | 2022-09-05 | Utilize supplementary carbon entrapment of geothermol power to carry pressure equipment to put |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218452040U (en) |
-
2022
- 2022-09-05 CN CN202222346328.1U patent/CN218452040U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110152489B (en) | Carbon dioxide capture system and method based on steam turbine exhaust waste heat recovery | |
| CN107741103B (en) | Ammonia water absorption type refrigeration combined carbon trapping device | |
| CN104399356B (en) | A kind of carbon dioxide capture system | |
| CN109999618B (en) | System and method for separating carbon dioxide from medium-high pressure gas source | |
| CN107754568B (en) | Low-energy-consumption device for capturing and recovering carbon dioxide by flue gas and gas recovery process | |
| CN212166984U (en) | CO2Trapping system | |
| CN203803335U (en) | Multistage split regeneration carbon dioxide trapping system | |
| CN105749728B (en) | Method and apparatus for capturing carbon dioxide | |
| US20210106943A1 (en) | Method for recovering co2 in the rectisol process and recovery system | |
| CN114713003A (en) | Method for utilizing heat in power plant flue gas CO2 capturing process based on chemical absorption method | |
| CN107138024B (en) | Integrated particle fluidized carbon dioxide capture method and apparatus for power plants | |
| CN113457381A (en) | Energy-saving process for capturing and recovering carbon dioxide from chimney exhaust gas | |
| CN218544490U (en) | Flue gas waste heat recovery device of coupling carbon entrapment | |
| CN217410286U (en) | Flue gas deep carbon capture device for recovering waste heat | |
| CN217795387U (en) | Low-energy-consumption carbon trapping device | |
| CN217410284U (en) | Novel chemical absorption method flue gas CO2 entrapment system | |
| CN217909691U (en) | Energy-saving and water-saving carbon capture device | |
| CN218452040U (en) | Utilize supplementary carbon entrapment of geothermol power to carry pressure equipment to put | |
| CN218637003U (en) | Flue gas carbon dioxide capture system | |
| CN111298604A (en) | System and method for capturing carbon dioxide in flue gas | |
| CN217220919U (en) | CO 2 And N 2 Composite trapping and purifying system | |
| CN103591603A (en) | Synchronous decarburization method in flue gas afterheat recovery of heating furnace | |
| CN114963218A (en) | Flue gas waste heat recovery device and method coupled with carbon capture | |
| CN115138181A (en) | Energy-saving and water-saving carbon capture device and method | |
| CN216347344U (en) | Device for realizing carbon capture and liquefaction by using ammonia crystallization method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |