CN216630311U - Boiler flue gas desulfurization and purification system - Google Patents
Boiler flue gas desulfurization and purification system Download PDFInfo
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- CN216630311U CN216630311U CN202123442312.2U CN202123442312U CN216630311U CN 216630311 U CN216630311 U CN 216630311U CN 202123442312 U CN202123442312 U CN 202123442312U CN 216630311 U CN216630311 U CN 216630311U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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Abstract
The utility model discloses a boiler flue gas desulfurization purification system, which belongs to the technical field of flue gas purification devices and comprises a slurry pool, wherein the slurry pool is connected with a desulfurization tower, the output end of the desulfurization tower is connected with a horizontal flue, the tail end of the horizontal flue is connected with a chimney, the inner side of the horizontal flue is provided with a flue gas lining pipeline, the outer part of the flue gas lining pipeline is connected with a flue gas diversion pipeline, the flue gas diversion pipeline is connected with a sulfide repurification tank, the flue gas diversion pipeline is provided with a flue gas outlet valve at the position connected with the flue gas lining pipeline, the outlet of the sulfide repurification tank is connected with a flue gas output pipeline, the outer part of the flue gas diversion pipeline is also connected with a flue gas reflux pipeline, a sulfide detector is arranged in the horizontal flue, the effective purification of boiler flue gas sulfides can be realized, meanwhile, the repurification device of sulfides is arranged in the horizontal flue, the corrosion of the horizontal flue can be effectively prevented, meanwhile, the purification quality and efficiency of the sulfide can be improved, and the problems in the prior art are solved.
Description
Technical Field
The utility model relates to a boiler flue gas desulfurization and purification system, and belongs to the technical field of flue gas purification devices.
Background
A horizontal flue of a boiler desulfurization system is characterized in that in the long-term operation of the horizontal flue, due to the fact that flue gas contains corrosive media such as sulfur dioxide and nitrogen oxide, the flue gas is insufficiently purified in a desulfurization tower to the inside of the horizontal flue, the wall of the horizontal flue is continuously corroded, the wall leaks, the reduction of the suction negative pressure of the flue gas is influenced, and the flow of the flue gas is reduced. Therefore, how to realize effective purification of flue gas and prevent the boiler flue gas desulfurization purification system of horizontal flue corrosion becomes urgent needs at present.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide a boiler flue gas desulfurization and purification system, which solves the problems in the prior art.
The boiler flue gas desulfurization and purification system comprises a slurry tank, wherein the slurry tank is connected with a desulfurization tower, the output end of the desulfurization tower is connected with a horizontal flue, the tail end of the horizontal flue is connected with a chimney, a flue gas lining pipeline is arranged on the inner side of the horizontal flue, a flue gas diversion pipeline is connected to the outer part of the flue gas lining pipeline, the flue gas diversion pipeline is connected with a sulfide repurifying tank, a flue gas outlet valve is arranged at the position connected with the flue gas lining pipeline, a flue gas output pipeline is connected to the outlet of the sulfide repurifying tank, the flue gas output pipeline is connected with the chimney, a flue gas backflow pipeline is also connected to the outer part of the flue gas diversion pipeline, the flue gas backflow pipeline is connected with an induced draft fan, the induced draft fan is connected with a dust collection box, a sulfide detector is arranged in the horizontal flue, the sulfide detector is connected with a controller, and the controller is electrically connected with the flue gas outlet valve.
Further, a stirrer and a partition wall are arranged in the slurry tank.
Furthermore, a centrifugal pump and a filter are arranged in front of the slurry pool connected with the desulfurizing tower.
Further, be equipped with the inlet pipeline in the desulfurizing tower, the below of inlet pipeline is connected with the nozzle, and the below of desulfurizing tower is connected with the flue gas inlet pipeline.
Furthermore, a flue gas reflux valve is arranged at the flue gas reflux pipeline, an outlet valve is arranged above the sulfide repurifying tank, and the flue gas reflux valve and the outlet valve are connected with a controller.
Furthermore, the controller adopts an STM32 type single chip microcomputer.
Compared with the prior art, the utility model has the following beneficial effects:
the boiler flue gas desulfurization and purification system can realize effective purification of sulfide in the boiler flue gas, and meanwhile, the sulfide re-purification device is arranged in the horizontal flue, so that the corrosion of the horizontal flue can be effectively prevented, the purification quality and efficiency of the sulfide can be improved, and the problems in the prior art are solved.
Drawings
FIG. 1 is a schematic overall structure of an embodiment of the present invention;
FIG. 2 is a schematic diagram of the construction of a repurification tank in an embodiment of the present invention;
FIG. 3 is an electrical connection diagram of a controller according to an embodiment of the present invention;
in the figure: 1. a blender; 2. a slurry tank; 3. a partition wall; 4. a centrifugal pump; 5. a filter; 6. an inlet duct; 7. A nozzle; 8. a desulfurizing tower; 9. a flue gas inlet duct; 10. a dust collection box; 11. an induced draft fan; 12. a flue gas output pipeline; 13. an outlet valve; 14. a sulfide repurification tank; 15. a flue gas reflux valve; 16. a flue gas diversion pipeline; 17. a flue gas outlet valve; 18. a flue gas return line; 19. a horizontal flue; 20. a sulfide detector; 21. a flue lining duct; 22. a flue gas output valve; 23. and (4) a chimney.
Detailed Description
The utility model is further illustrated by the following figures and examples:
example 1:
as shown in fig. 1-3, the boiler flue gas desulfurization purification system of the present invention comprises a slurry tank 2, the slurry tank 2 is connected with a desulfurization tower 8, the output end of the desulfurization tower 8 is connected with a horizontal flue 19, the end of the horizontal flue 19 is connected with a chimney 23, the inner side of the horizontal flue 19 is provided with a flue gas lining pipeline 21, the outside of the flue gas lining pipeline 21 is connected with a flue gas diversion pipeline 16, the flue gas diversion pipeline 16 is connected with a sulfide repurification tank 14, the flue gas diversion pipeline 16 is provided with a flue gas outlet valve 17 at the position connected with the flue gas lining pipeline 21, the outlet of the sulfide repurification tank 14 is connected with a flue gas output pipeline 12, the flue gas output pipeline 12 is connected with the chimney 23, the outside of the flue gas diversion pipeline 16 is further connected with a flue gas reflux pipeline 18, the flue gas reflux pipeline 18 is connected with an induced draft fan 11, the induced draft fan 11 is connected with a dust collection box 10, the horizontal flue 19 is internally provided with a sulfide detector 20, the sulfide detector 20 is connected with a controller, and the controller is electrically connected with the flue gas outlet valve 17.
A stirrer 1 and a partition wall 3 are arranged in the slurry pool 2.
The slurry pool 2 is provided with a centrifugal pump 4 and a filter 5 in front of a connecting desulfurizing tower 8.
Be equipped with inlet pipe 6 in the desulfurizing tower 8, inlet pipe 6's below is connected with nozzle 7, and the below of desulfurizing tower 8 is connected with flue gas inlet pipe 9.
A flue gas reflux valve 15 is arranged at the position of the flue gas reflux pipeline 18, an outlet valve 13 is arranged above the sulfide repurifying tank 14, and the flue gas reflux valve 15 and the outlet valve 13 are connected with a controller.
The controller adopts STM32 type single chip microcomputer.
The working principle of the embodiment is as follows: during operation, after the flue gas is desulfurized in the desulfurizing tower 8, the flue gas is discharged from a chimney through the horizontal flue 19, a flue lining pipeline 21 is arranged in the horizontal flue 19, a sulfide detector 20 is arranged in the flue lining pipeline 21, the sulfide detector 20 detects the content of sulfides in the horizontal flue 19 in real time, a threshold value is arranged in the controller, when detected data exceeds the threshold value, the controller controls to open the flue gas outlet valve 17, the flue gas is conveyed into the sulfide repurifying tank 14 to be purified again, the purified flue gas is discharged from the chimney 23 through the flue gas output pipeline 12, meanwhile, the draught fan 11 and the dust collection box 10 are arranged in the flue gas backflow pipeline 18, dust in the flue gas can be further collected and processed, the effect after the flue gas is desulfurized is ensured, meanwhile, the corrosion of the sulfides to the horizontal flue is prevented, and the problems in the prior art are solved.
By adopting the boiler flue gas desulfurization purification system of the embodiment of the utility model described in the above with reference to the attached drawings, the effective purification of the sulfide in the boiler flue gas can be realized, and meanwhile, the sulfide re-purification device is arranged in the horizontal flue, so that the corrosion of the horizontal flue can be effectively prevented, the purification quality and efficiency of the sulfide can be improved, and the problems in the prior art are solved. The present invention is not limited to the embodiments described, but rather, variations, modifications, substitutions and alterations are possible without departing from the spirit and scope of the present invention.
Claims (6)
1. The utility model provides a boiler flue gas desulfurization clean system which characterized in that: comprises a slurry pool (2), the slurry pool (2) is connected with a desulfurizing tower (8), the output end of the desulfurizing tower (8) is connected with a horizontal flue (19), the end of the horizontal flue (19) is connected with a chimney (23), the inner side of the horizontal flue (19) is provided with a flue gas lining pipeline (21), the outer part of the flue gas lining pipeline (21) is connected with a flue gas diversion pipeline (16), the flue gas diversion pipeline (16) is connected with a sulfide repurifying tank (14), the flue gas diversion pipeline (16) is provided with a flue gas outlet valve (17) at the position of being connected with the flue gas lining pipeline (21), the outlet of the sulfide repurifying tank (14) is connected with a flue gas output pipeline (12), the flue gas output pipeline (12) is connected with the chimney (23), the outer part of the flue gas diversion pipeline (16) is also connected with a flue gas backflow pipeline (18), and the flue gas backflow pipeline (18) is connected with a draught fan (11), draught fan (11) are connected with dust collection box (10), be equipped with sulphide detector (20) in horizontal flue (19), sulphide detector (20) are connected with the controller, controller electrical connection exhanst gas outlet valve (17).
2. The boiler flue gas desulfurization purification system of claim 1, characterized in that: a stirrer (1) and a partition wall (3) are arranged in the slurry tank (2).
3. The boiler flue gas desulfurization purification system of claim 1, characterized in that: the slurry pool (2) is provided with a centrifugal pump (4) and a filter (5) in front of the connection desulfurizing tower (8).
4. The boiler flue gas desulfurization purification system of claim 1, characterized in that: desulfurizing tower (8) in be equipped with inlet pipe way (6), the below of inlet pipe way (6) is connected with nozzle (7), the below of desulfurizing tower (8) is connected with flue gas inlet pipe way (9).
5. The boiler flue gas desulfurization purification system of claim 1, characterized in that: flue gas return line (18) department be equipped with flue gas return valve (15), the top of sulphide repurifying jar (14) is equipped with outlet valve (13), flue gas return valve (15) and outlet valve (13) connection director.
6. The boiler flue gas desulfurization purification system according to claim 1 or 5, characterized in that: the controller adopts STM32 type singlechip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123442312.2U CN216630311U (en) | 2021-12-31 | 2021-12-31 | Boiler flue gas desulfurization and purification system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123442312.2U CN216630311U (en) | 2021-12-31 | 2021-12-31 | Boiler flue gas desulfurization and purification system |
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| Publication Number | Publication Date |
|---|---|
| CN216630311U true CN216630311U (en) | 2022-05-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123442312.2U Active CN216630311U (en) | 2021-12-31 | 2021-12-31 | Boiler flue gas desulfurization and purification system |
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| CN (1) | CN216630311U (en) |
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2021
- 2021-12-31 CN CN202123442312.2U patent/CN216630311U/en active Active
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