CN216755748U - Carbon dioxide capturing system for cement kiln - Google Patents
Carbon dioxide capturing system for cement kiln Download PDFInfo
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- CN216755748U CN216755748U CN202220375920.1U CN202220375920U CN216755748U CN 216755748 U CN216755748 U CN 216755748U CN 202220375920 U CN202220375920 U CN 202220375920U CN 216755748 U CN216755748 U CN 216755748U
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Abstract
The utility model discloses a carbon dioxide capturing system of a cement kiln, which relates to the field of gas purification, and comprises a filter box, a spray tower, a liquid heating box, a drying box, a resolving mechanism, a liquid storage box and a gas storage tank, wherein an air inlet pump is arranged on one side of the filter box, a filter screen and a cleaning assembly are respectively arranged in the filter box, a first connecting pipe is connected between the filter box and the spray tower, a first water pump is arranged on one side of the spray tower, and a water outlet end of the first water pump is connected with a water spray pipe.
Description
Technical Field
The utility model relates to the field of gas purification, in particular to a carbon dioxide capture system of a cement kiln.
Background
Cement is a main building material for building social infrastructure, the cement industry is an important basic industry in national economy, and carbon emission of the cement occupies CO in national industry 212% of the discharge amount. As a large household for energy consumption and carbon emission, the implementation of energy conservation and emission reduction in the cement industry is a necessary way for realizing the aim of carbon neutralization, and is an important way for ensuring the sustainable development of economy.
Cement kiln smoke emission is big, contains a large amount of particulate matters in the flue gas, carries out the entrapment to carbon dioxide and need detach particulate matter impurity, and the carbon dioxide entrapment device single structure of the wide application of market at present has the filter screen to filter the dust, but the filter screen uses and to lead to the fact the filtration pore to block up long afterwards, influences the entrapment efficiency of carbon dioxide, can't be applicable to industrial production.
Disclosure of Invention
Based on the above, the utility model aims to provide a carbon dioxide capture system for a cement kiln, which solves the technical problems that a filter screen is easy to block and the collection amount is low.
In order to achieve the purpose, the utility model provides the following technical scheme: the carbon dioxide trapping system for the cement production kiln comprises a filter box, a spray tower, a liquid heating box, a drying box, a resolving mechanism, a liquid storage box and a gas storage tank, wherein an air inlet pump is installed on one side of the filter box, a filter screen and a cleaning assembly are respectively installed inside the filter box, a first connecting pipe is connected between the filter box and the spray tower, a first water pump is installed on one side of the spray tower, a water outlet end of the first water pump is connected with a water spray pipe, a water inlet end of the first water pump is communicated with the liquid storage box through a first water suction pipe, the top end of the water spray pipe is connected with the spray assembly through a rotary joint, a steam-water separator is installed inside the spray tower, the bottom of the spray tower is connected with a second water suction pipe, a second water pump is installed at one end of the second water suction pipe, and a water outlet end of the second water pump is communicated with the liquid heating box through a second water delivery pipe, the utility model discloses a drying cabinet, including dry box, third pump, dry box, third raceway, second and second raceway, second and third raceway, second and second raceway, second and third raceway, second.
Furthermore, the cleaning assembly comprises a rotating shaft, blades are installed below the outer surface of the rotating shaft, and a cleaning brush is fixed above the outer surface of the rotating shaft.
Through adopting above-mentioned technical scheme, can blow the blade rotation when gaseous entering, the blade rotation makes the rotation axis drive the cleaning brush rotation, and then can clean the dust on the filter screen, avoids the filter screen to block up.
Furthermore, the cleaning brush is in contact with the inner wall of the filter screen, and the cross-sectional view of the filter screen is in a shape like a Chinese character 'ji'.
Through adopting above-mentioned technical scheme, "nearly" font design can improve the area of contact of gas and filter screen for gas can be followed and diversely filtered.
Furthermore, the spraying assembly comprises a multi-way connector, a plurality of groups of rotating pipes are mounted on the outer surface of the multi-way connector, and a spray head is mounted on one side of each rotating pipe.
Through adopting above-mentioned technical scheme, the orientation of shower nozzle is the same, and then can produce the thrust reversal when the hydrojet, and then makes the swivelling joint pipe take place to rotate by oneself, sprays through the rotation type, has improved the sufficiency of liquid and gas contact.
Furthermore, the heat exchange tube is made of copper materials, and part of the tube body of the heat exchange tube is distributed in the liquid heating box in a snake-shaped bent shape.
Through adopting above-mentioned technical scheme, gas after the heating can carry out the heat exchange through heat exchange tube and rich liquid, can heat the rich liquid on the one hand, has improved the analytic efficiency in later stage, and on the other hand can be to heating back gas condensation, and then realize the steam separation.
Furthermore, the stirring blades are provided with a plurality of groups, and the stirring blades are arranged at equal intervals from top to bottom.
Through adopting above-mentioned technical scheme, the stirring leaf can disturb the stirring to gas, and then can make gas heating more even and abundant.
In summary, the utility model mainly has the following beneficial effects:
1. according to the utility model, the cleaning component is arranged, the air inlet pump fills air into the filter box, the air can blow the blades to rotate, so that the rotating shaft drives the cleaning brush to rotate, the cleaning brush can scrape the inner wall of the filter screen in the rotating process, so that dust can be scraped out, and the phenomenon that the dust blocks the filter holes to influence the capture efficiency of carbon dioxide is avoided;
2. according to the utility model, the spraying assembly is arranged, and as the plurality of groups of nozzles are oriented in the same direction, reverse thrust can be generated when liquid is sprayed under high pressure, so that the rotary pipe and the multi-way joint can rotate under the cooperation of the rotary joint, liquid mist can be fully contacted with gas through rotary spraying, and the capture efficiency and capture amount of carbon dioxide are improved;
3. the utility model has the advantages that the drying box, the motor, the driving shaft, the stirring blades and the heat exchange tubes are arranged, moisture in the analyzed carbon dioxide is larger, the analyzed carbon dioxide further enters the drying box, the motor rotates to drive the driving shaft to rotate, the driving shaft rotates to drive the stirring blades to rotate, so that the heater can fully heat and dry the gas, the heated gas enters the heat exchange tubes, the heat exchange tubes are positioned in the liquid heating box, on one hand, the high-temperature gas can be cooled, on the other hand, the rich liquid can be heated, so that the analysis can be more thorough, the analysis efficiency can be improved, through the arrangement of the third water pump, the third water pumping tube and the third water delivery tube, when the rich liquid is reset into the barren solution after being analyzed, the third water pump is pumped into the liquid storage box through the third water pumping tube and the third water delivery tube, the purpose of barren solution recovery is achieved, and the steam-water separator can prevent the flue gas from carrying part of atomized solvent to be discharged, the solvent loss is caused, thereby achieving the purposes of good trapping effect, effectively reducing the consumption of the trapping solvent in the trapping process and reducing the trapping cost.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the sprinkler pipe structure of the present invention;
FIG. 3 is a schematic top view of the spray assembly of the present invention;
fig. 4 is a schematic view of the blade structure of the present invention.
In the figure: 1. a filter box; 2. an intake pump; 3. a cleaning assembly; 301. a rotating shaft; 302. a blade; 303. a cleaning brush; 4. filtering with a screen; 5. a first connecting pipe; 6. a spray tower; 7. a steam-water separator; 8. a water spray pipe; 9. a rotary joint; 10. a spray assembly; 1001. a multi-way joint; 1002. rotating the tube; 1003. a spray head; 11. a first water pump; 12. a first pumping pipe; 13. a second water pump; 14. a second pumping pipe; 15. a second water delivery pipe; 16. a liquid heating tank; 17. a drying oven; 18. a heat exchange pipe; 19. a resolving mechanism; 20. a liquid storage tank; 21. a third water pump; 22. a motor; 23. a third pumping pipe; 24. a third water delivery pipe; 25. discharging the air pump; 26. a gas delivery pipe; 27. a gas storage tank; 28. a heater; 29. a fourth water pump; 30. a fourth pumping pipe; 31. a fourth water delivery pipe; 32. a drive shaft; 33. stirring blades; 34. a heater.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. 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.
The following describes an embodiment of the present invention based on its overall structure.
A carbon dioxide capturing system of a cement kiln is shown in figures 1-4 and comprises a filter box 1, a spray tower 6, a liquid heating box 16, a drying box 17, a resolving mechanism 19, a liquid storage box 20 and a gas storage tank 27, wherein an air inlet pump 2 is installed on one side of the filter box 1, a filter screen 4 and a cleaning component 3 are respectively installed inside the filter box 1, the cleaning component 3 comprises a rotating shaft 301, a blade 302 is installed below the outer surface of the rotating shaft 301, a cleaning brush 303 is fixed above the outer surface of the rotating shaft 301, the blade 302 is blown to rotate when gas enters, the rotating shaft 301 drives the cleaning brush 303 to rotate through the rotation of the blade 302, dust on the filter screen 4 can be further cleaned, the filter screen 4 is prevented from being blocked, a first connecting pipe 5 is connected between the filter box 1 and the spray tower 6, a first water pump 11 is installed on one side of the spray tower 6, and the water outlet end of the first water pump 11 is connected with a water spray pipe 8, the water inlet end of a first water pump 11 is communicated with a liquid storage tank 20 through a first water pumping pipe 12, the top end of a water spraying pipe 8 is connected with a spraying assembly 10 through a rotary joint 9, the spraying assembly 10 comprises a multi-way joint 1001, a plurality of groups of rotary pipes 1002 are mounted on the outer surface of the multi-way joint 1001, a spray head 1003 is mounted on one side of each rotary pipe 1002, the spray head 1003 faces towards the tank body and further generates reverse thrust during spraying, so that the rotary pipes 1002 rotate automatically, the sufficiency of liquid and gas contact is improved through rotary spraying, a steam-water separator 7 is mounted inside a spraying tower 6, the bottom of the spraying tower 6 is connected with a second water pumping pipe 14, a second water pump 13 is mounted at one end of the second water pumping pipe 14, the water outlet end of the second water pump 13 is communicated with a liquid heating tank 16 through a second water conveying pipe 15, a third water pump 21 is mounted on one side of the liquid storage tank 20, the water inlet end of the third water pump 21 is communicated with an analysis mechanism 19 through a third water pumping pipe 23, the water outlet end of the third water pump 21 is communicated with the liquid storage tank 20 through a third water delivery pipe 24, the air outlet pump 25 is installed on one side of the analysis mechanism 19, the air outlet end of the air outlet pump 25 is communicated with the drying box 17, the motor 22 is installed at the bottom of the drying box 17, the output end of the motor 22 is connected with the driving shaft 32, the outer surface of the driving shaft 32 is provided with the stirring blade 33, the inside of the drying box 17 is communicated with the air storage tank 27 through the heat exchange pipe 18, the fourth water pump 29 is installed on one side of the air storage tank 27, the water inlet end of the fourth water pump 29 is communicated with the liquid heating box 16 through the fourth water pumping pipe 30, the water outlet end of the fourth water pump 29 is communicated with the analysis mechanism 19 through the fourth water delivery pipe 31, and the inside of the drying box 17 is provided with the heater 28.
Referring to fig. 1 and 4, the cleaning brush 303 contacts the inner wall of the filter screen 4, and the cross-sectional view of the filter screen 4 is in a shape of "ji", and the design of the "ji" shape can increase the contact area between the gas and the filter screen 4, so that the gas can be filtered from multiple directions.
Referring to fig. 1, the heat exchange tube 18 is made of copper material, and partial tube body of the heat exchange tube 18 is distributed in the liquid heating box 16 in a serpentine bent manner, and heated gas can exchange heat with rich liquid through the heat exchange tube, so that the rich liquid can be heated, the later-stage analysis efficiency is improved, and gas can be condensed after being heated, and then water-vapor separation is realized.
Referring to fig. 1, the stirring blades 33 are provided with a plurality of groups, and the groups of stirring blades 33 are arranged from top to bottom at equal intervals, and the stirring blades 33 can disturb and stir the gas, so that the gas can be heated more uniformly and sufficiently.
The implementation principle of the embodiment is as follows: firstly, the device is placed by a worker, then a power supply is connected, gas is pumped into the filter box 1 by the gas inlet pump 2, the filter screen 4 filters the gas, meanwhile, the gas can blow the blades 302 to rotate when entering, the blades 302 rotate to enable the rotating shaft 301 to drive the cleaning brush 303 to rotate, dust on the filter screen 4 can be further cleaned, the filter screen 4 is prevented from being blocked, the filtered gas enters the spray tower 6, the first water pump 11 extracts liquid in the liquid storage box 20 and sprays the gas through the spray assembly 10, the nozzles 1003 are in the same direction, and then reverse thrust is generated during liquid spraying, so that the rotating pipe 1002 automatically rotates, through rotary spraying, the sufficiency of liquid and gas contact is improved, the steam-water separator 7 can prevent partial atomized solvent carried by the gas from being discharged, solvent loss is caused, and a good collecting effect is achieved, the consumption of the trapping solvent in the trapping process is effectively reduced, the trapping cost is reduced, the trapped rich solution is input into the liquid heating box 16 by the second water pump 13, then the heat exchange is carried out with the gas in the heat exchange pipe 18, the heated rich solution is pumped into the desorption mechanism 19 by the fourth water pump 29, so that the carbon dioxide in the rich solution is separated out in the desorption mechanism 19, the separated and reduced barren solution is conveyed back to the liquid storage box 20 by the third water pump 21, the desorbed carbon dioxide enters the drying box 17 through the gas outlet pump 25, the motor 22 rotates to drive the driving shaft 32 to rotate, the driving shaft 32 rotates to drive the stirring blades 33 to rotate, the heater 28 can fully heat and dry the gas, the heated gas enters the heat exchange pipe 18, the heat exchange pipe 18 is positioned in the liquid heating box 16, on one hand, the gas can be cooled, on the other hand, the rich solution can be heated, the dried gas enters the gas storage tank 27
Although embodiments of the present invention have been shown and described, the present embodiments are merely illustrative of the present invention and are not intended to limit the present invention, and the described specific features, structures, materials or characteristics may be combined in any suitable manner in any one or more embodiments or examples, and those skilled in the art can make modifications, substitutions, variations, etc. of the embodiments as required without departing from the principle and spirit of the present invention, but within the scope of the claims of the present invention.
Claims (6)
1. Cement kiln carbon dioxide entrapment system, including rose box (1), spray column (6), liquid heating cabinet (16), drying cabinet (17), analysis mechanism (19), liquid reserve tank (20) and gas holder (27), its characterized in that: an air inlet pump (2) is installed on one side of the filter box (1), a filter screen (4) and a cleaning assembly (3) are installed inside the filter box (1) respectively, a first connecting pipe (5) is connected between the filter box (1) and the spray tower (6), a first water pump (11) is installed on one side of the spray tower (6), a water outlet end of the first water pump (11) is connected with a water spray pipe (8), a water inlet end of the first water pump (11) is communicated with a liquid storage tank (20) through a first water pumping pipe (12), the top end of the water spray pipe (8) is connected with a spray assembly (10) through a rotary joint (9), a steam-water separator (7) is installed inside the spray tower (6), a second water pumping pipe (14) is connected to the bottom of the spray tower (6), a second water pump (13) is installed at one end of the second water pumping pipe (14), the water outlet end of the second water pump (13) is communicated with the liquid heating box (16) through a second water conveying pipe (15), a third water pump (21) is installed on one side of the liquid storage box (20), the water inlet end of the third water pump (21) is communicated with the analysis mechanism (19) through a third water pumping pipe (23), the water outlet end of the third water pump (21) is communicated with the liquid storage box (20) through a third water conveying pipe (24), an air outlet pump (25) is installed on one side of the analysis mechanism (19), the air outlet end of the air outlet pump (25) is communicated with the drying box (17), a motor (22) is installed at the bottom of the drying box (17), the output end of the motor (22) is connected with a driving shaft (32), stirring blades (33) are installed on the outer surface of the driving shaft (32), the interior of the drying box (17) is communicated with a gas storage tank (27) through a heat exchange pipe (18), a fourth water pump (29) is installed on one side of the air storage tank (27), the water inlet end of the fourth water pump (29) is communicated with the liquid heating box (16) through a fourth water pumping pipe (30), the water outlet end of the fourth water pump (29) is communicated with the analysis mechanism (19) through a fourth water conveying pipe (31), and a heater (28) is installed inside the drying box (17).
2. The cement kiln carbon dioxide capture system of claim 1, wherein: cleaning assembly (3) is including rotation axis (301), blade (302) are installed to the surface below of rotation axis (301), the surface top of rotation axis (301) is fixed with cleaning brush (303).
3. The cement kiln carbon dioxide capture system of claim 2, wherein: the cleaning brush (303) is in contact with the inner wall of the filter screen (4), and the cross section of the filter screen (4) is in a shape like a Chinese character 'ji'.
4. The cement kiln carbon dioxide capture system of claim 1, wherein: the spray assembly (10) comprises a multi-way joint (1001), a plurality of groups of rotating pipes (1002) are mounted on the outer surface of the multi-way joint (1001), and a spray head (1003) is mounted on one side of each rotating pipe (1002).
5. The cement kiln carbon dioxide capture system of claim 1, wherein: the heat exchange tube (18) is made of copper materials, and part of the tube body of the heat exchange tube (18) is distributed in the liquid heating box (16) in a snake-shaped bent shape.
6. The cement kiln carbon dioxide capture system of claim 1, wherein: the stirring blades (33) are provided with a plurality of groups, and the stirring blades (33) are arranged at equal intervals from top to bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220375920.1U CN216755748U (en) | 2022-02-24 | 2022-02-24 | Carbon dioxide capturing system for cement kiln |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202220375920.1U CN216755748U (en) | 2022-02-24 | 2022-02-24 | Carbon dioxide capturing system for cement kiln |
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| CN216755748U true CN216755748U (en) | 2022-06-17 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115155180A (en) * | 2022-07-29 | 2022-10-11 | 北京石大油源科技开发有限公司 | Efficient capturing method and device for medium-low concentration carbon dioxide |
| CN117427466A (en) * | 2023-12-20 | 2024-01-23 | 海南中南标质量科学研究院有限公司 | Automatic carbon metering catcher |
-
2022
- 2022-02-24 CN CN202220375920.1U patent/CN216755748U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115155180A (en) * | 2022-07-29 | 2022-10-11 | 北京石大油源科技开发有限公司 | Efficient capturing method and device for medium-low concentration carbon dioxide |
| CN117427466A (en) * | 2023-12-20 | 2024-01-23 | 海南中南标质量科学研究院有限公司 | Automatic carbon metering catcher |
| CN117427466B (en) * | 2023-12-20 | 2024-03-19 | 海南中南标质量科学研究院有限公司 | Automatic carbon metering catcher |
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