CN220176480U - Energy-saving carbon dioxide desorption tower - Google Patents
Energy-saving carbon dioxide desorption tower Download PDFInfo
- Publication number
- CN220176480U CN220176480U CN202321489102.5U CN202321489102U CN220176480U CN 220176480 U CN220176480 U CN 220176480U CN 202321489102 U CN202321489102 U CN 202321489102U CN 220176480 U CN220176480 U CN 220176480U
- Authority
- CN
- China
- Prior art keywords
- heat exchanger
- desorption tower
- carbon dioxide
- tower body
- finned tube
- 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.)
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Links
- 238000003795 desorption Methods 0.000 title claims abstract description 49
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 title claims abstract description 36
- 229910002092 carbon dioxide Inorganic materials 0.000 title claims abstract description 18
- 239000001569 carbon dioxide Substances 0.000 title claims abstract description 18
- 239000007788 liquid Substances 0.000 claims abstract description 20
- 239000007921 spray Substances 0.000 claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 238000010521 absorption reaction Methods 0.000 claims abstract description 15
- 150000001412 amines Chemical class 0.000 claims abstract description 12
- 239000000945 filler Substances 0.000 claims abstract description 5
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 23
- 239000003546 flue gas Substances 0.000 claims description 23
- 229920006395 saturated elastomer Polymers 0.000 claims description 6
- 239000007789 gas Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 239000006096 absorbing agent Substances 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000002918 waste heat Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Landscapes
- Gas Separation By Absorption (AREA)
- Treating Waste Gases (AREA)
Abstract
The utility model discloses an energy-saving carbon dioxide desorption tower, which comprises a desorption tower body, wherein a demister is arranged at the top end of the inside of the desorption tower body and consists of a plurality of liquid catching hooks, a finned tube heat exchanger is arranged at the bottom of the demister, a circulating water outlet pipe is connected to the top of the finned tube heat exchanger, a circulating water inlet pipe is connected to the bottom of the finned tube heat exchanger, a spray plate is arranged at the bottom of the finned tube heat exchanger, a first absorption tower conveying pipe is connected to the top of the spray plate, and a filler is arranged at the bottom of the spray plate; the upper part of the desorption tower is provided with a heat exchange and defogging integrated device consisting of a finned tube heat exchanger and a ridge type defogger, so that the escape of organic amine can be reduced, and the occupied area of equipment can be reduced; the effects of saving energy and reducing volatilization of the organic amine can be achieved at the same time.
Description
Technical Field
The utility model relates to the field of desorption towers, in particular to an energy-saving carbon dioxide desorption tower.
Background
The existing carbon dioxide desorption tower has some defects, the existing carbon dioxide desorption tower cannot reasonably utilize heat in flue gas, cannot improve the efficiency and speed of carbon dioxide desorption and cannot increase the desorption effect, extra energy is often needed to heat rich liquid, the energy consumption is high, and the cost is high, so that the energy-saving carbon dioxide desorption tower is provided.
Disclosure of Invention
The utility model aims at overcoming the defects of the prior art and provides an energy-saving carbon dioxide desorption tower so as to solve the problems of the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an energy-conserving carbon dioxide desorption tower, includes the desorption tower body, the defroster is installed on the inside top of desorption tower body, the defroster comprises a plurality of liquid catch hook, the bottom of defroster is equipped with the finned tube heat exchanger, the top of finned tube heat exchanger is connected with the circulating water outlet pipe, the bottom of finned tube heat exchanger is connected with the circulating water inlet tube, the bottom of finned tube heat exchanger is equipped with the spray plate, the top of spray plate is connected with first absorption tower conveyer pipe, the bottom of spray plate is equipped with the filler, the bottom of desorption tower body links to each other with the flue gas heat exchanger through the rich liquid heater, install the heat cycle pump on the rich liquid heater.
As a preferable technical scheme of the utility model, the flue gas heat exchanger is connected with a flue gas inlet pipe, and the flue gas heat exchanger is connected with a second absorption tower conveying pipe.
As a preferable technical scheme of the utility model, the bottom of the desorption tower body is connected with a second absorption tower conveying pipe, and saturated organic amine solution is stored at the bottom of the desorption tower body.
As a preferred embodiment of the present utility model, the shower plate is connected to the third absorber delivery pipe via the first absorber delivery pipe.
As a preferable technical scheme of the utility model, a plurality of serpentine heat exchange tubes are wound on the fin tube heat exchanger, one end of each serpentine heat exchange tube is connected with a circulating water outlet pipe, and the other end of each serpentine heat exchange tube is connected with a circulating water inlet pipe.
As a preferable technical scheme of the utility model, the top of the desorption tower body is connected with a purified gas discharge pipe, and the filler is arranged on the middle part of the desorption tower body through bolts.
The beneficial effects of the utility model are as follows: the heat exchange device is arranged at the bottom of the desorption tower, so that the flue gas waste heat is fully utilized to heat the saturated organic amine solution, and the extra energy consumption is reduced; the upper part of the desorption tower is provided with a heat exchange and defogging integrated device consisting of a finned tube heat exchanger and a ridge type defogger, so that the escape of organic amine can be reduced, and the occupied area of equipment can be reduced; the effects of saving energy and reducing volatilization of the organic amine can be achieved at the same time.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
In the figure: the demister 1, the finned tube heat exchanger 2, the packing 3, the flue gas heat exchanger 4, the heat circulation pump 5, the rich liquid heater 6, the liquid catching hook 7, the purified gas discharge pipe 8, the spray plate 9, the first absorption tower conveying pipe 10, the circulating water inlet pipe 11, the circulating water outlet pipe 12, the second absorption tower conveying pipe 13, the flue gas inlet pipe 14 and the third absorption tower conveying pipe 15.
Detailed Description
The preferred embodiments of the present utility model will be described in detail below with reference to the attached drawings so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present utility model.
Examples: referring to fig. 1, the present utility model provides a technical solution: the utility model provides an energy-conserving carbon dioxide desorption tower, including the desorption tower body, the defroster 1 is installed on the inside top of desorption tower body, defroster 1 comprises a plurality of liquid catch hook 7, the bottom of defroster 1 is equipped with finned tube heat exchanger 2, the top of finned tube heat exchanger 2 is connected with circulating water outlet pipe 12, the bottom of finned tube heat exchanger 2 is connected with circulating water inlet tube 11, the bottom of finned tube heat exchanger 2 is equipped with spray plate 9, the top of spray plate 9 is connected with first absorption tower conveyer pipe 10, the bottom of spray plate 9 is equipped with filler 3, the bottom of desorption tower body links to each other with flue gas heat exchanger 4 through rich liquid heater 6, install thermal cycle pump 5 on the rich liquid heater 6.
The flue gas heat exchanger 4 is connected with a flue gas inlet pipe 14, and the flue gas heat exchanger 4 is connected with a second absorption tower conveying pipe 13.
The bottom of the desorption tower body is connected with a second absorption tower conveying pipe 13, and saturated organic amine solution is stored at the bottom of the desorption tower body.
The shower plate 9 is connected to a third absorber duct 15 via a first absorber duct 10.
The fin tube heat exchanger 2 is wound with a plurality of serpentine heat exchange tubes, one end of each serpentine heat exchange tube is connected with the circulating water outlet pipe 12, and the other end of each serpentine heat exchange tube is connected with the circulating water inlet pipe 11.
The top of desorption tower body is connected with net gas discharge pipe 8, packs 3 and installs on the middle part of desorption tower body through the bolt.
Working principle: an energy-saving carbon dioxide desorption tower, industrial flue gas enters into a flue gas heat exchanger 4 through a flue gas inlet pipe 14, one end of a rich liquid heater 6 in the flue gas heat exchanger 4 is contacted with the flue gas, thereby heating a heat conducting medium in the rich liquid heater 6, the heat conducting medium circulates through a thermal circulating pump 5, the heat conducting medium is conveyed to a saturated organic amine solution stored at the bottom of a desorption tower body, the purpose of heating the rich liquid is achieved, heat is not required to be additionally provided, volatile matters in the rich liquid are cooled through a fin tube heat exchanger 2 at the upper part of the tower, the temperature is reduced to liquid drops, the liquid drops are captured and reduced to be discharged through a demister 1, and meanwhile, the heated rich liquid is sucked onto a spray plate 9 by a suction pump, and the flue gas is purified through spraying of the spray plate 9.
The heat exchange device is arranged at the bottom of the desorption tower, so that the flue gas waste heat is fully utilized to heat the saturated organic amine solution, and the extra energy consumption is reduced; the upper part of the desorption tower is provided with a heat exchange and defogging integrated device consisting of a finned tube heat exchanger and a ridge type defogger, so that the escape of organic amine can be reduced, and the occupied area of equipment can be reduced; the effects of saving energy and reducing volatilization of the organic amine can be achieved at the same time.
The foregoing examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model.
Claims (6)
1. The utility model provides an energy-conserving carbon dioxide desorption tower, includes desorption tower body, its characterized in that: the inside top of desorption tower body is installed defroster (1), defroster (1) comprises a plurality of liquid hook (7) of catching, the bottom of defroster (1) is equipped with finned tube heat exchanger (2), the top of finned tube heat exchanger (2) is connected with circulating water outlet pipe (12), the bottom of finned tube heat exchanger (2) is connected with circulating water inlet tube (11), the bottom of finned tube heat exchanger (2) is equipped with spray plate (9), the top of spray plate (9) is connected with first absorption tower conveyer pipe (10), the bottom of spray plate (9) is equipped with filler (3), the bottom of desorption tower body links to each other with flue gas heat exchanger (4) through rich liquid heater (6), install thermal cycle pump (5) on rich liquid heater (6).
2. An energy efficient carbon dioxide desorption column according to claim 1 wherein: the flue gas heat exchanger (4) is connected with a flue gas inlet pipe (14), and the flue gas heat exchanger (4) is connected with a second absorption tower conveying pipe (13).
3. An energy efficient carbon dioxide desorption column according to claim 1 wherein: the bottom of the desorption tower body is connected with a second absorption tower conveying pipe (13), and saturated organic amine solution is stored at the bottom of the desorption tower body.
4. An energy efficient carbon dioxide desorption column according to claim 1 wherein: the spray plate (9) is connected with a third absorption tower conveying pipe (15) through a first absorption tower conveying pipe (10).
5. An energy efficient carbon dioxide desorption column according to claim 1 wherein: the fin tube heat exchanger (2) is wound with a plurality of serpentine heat exchange tubes, one ends of the serpentine heat exchange tubes are connected with the circulating water outlet pipe (12), and the other ends of the serpentine heat exchange tubes are connected with the circulating water inlet pipe (11).
6. An energy efficient carbon dioxide desorption column according to claim 1 wherein: the top of desorption tower body is connected with net gas discharge pipe (8), pack (3) are installed on the middle part of desorption tower body through the bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321489102.5U CN220176480U (en) | 2023-06-12 | 2023-06-12 | Energy-saving carbon dioxide desorption tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321489102.5U CN220176480U (en) | 2023-06-12 | 2023-06-12 | Energy-saving carbon dioxide desorption tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220176480U true CN220176480U (en) | 2023-12-15 |
Family
ID=89115157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321489102.5U Active CN220176480U (en) | 2023-06-12 | 2023-06-12 | Energy-saving carbon dioxide desorption tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220176480U (en) |
-
2023
- 2023-06-12 CN CN202321489102.5U patent/CN220176480U/en active Active
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