CN216799360U - Power plant flue gas purification device - Google Patents
Power plant flue gas purification device Download PDFInfo
- Publication number
- CN216799360U CN216799360U CN202220524834.2U CN202220524834U CN216799360U CN 216799360 U CN216799360 U CN 216799360U CN 202220524834 U CN202220524834 U CN 202220524834U CN 216799360 U CN216799360 U CN 216799360U
- Authority
- CN
- China
- Prior art keywords
- flue gas
- gas purification
- power plant
- auxiliary cylinder
- cylinder body
- 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.)
- Expired - Fee Related
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- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 164
- 239000003546 flue gas Substances 0.000 title claims abstract description 164
- 238000000746 purification Methods 0.000 title claims abstract description 124
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims abstract description 32
- 238000003756 stirring Methods 0.000 claims abstract description 12
- 238000005192 partition Methods 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- 238000004140 cleaning Methods 0.000 claims description 13
- 239000007789 gas Substances 0.000 claims description 11
- 239000007788 liquid Substances 0.000 claims description 7
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 6
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 6
- 241001330002 Bambuseae Species 0.000 claims description 6
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 6
- 239000011425 bamboo Substances 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 8
- 238000001556 precipitation Methods 0.000 abstract description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 9
- 235000011941 Tilia x europaea Nutrition 0.000 description 9
- 239000004571 lime Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000009776 industrial production Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Treating Waste Gases (AREA)
Abstract
The utility model discloses a flue gas purification device for a power plant, which comprises a supporting seat, wherein a flue gas purification cylinder and an auxiliary cylinder body are arranged at the top end of the supporting seat, a partition plate is arranged inside the auxiliary cylinder body, the auxiliary cylinder body is divided into a secondary flue gas purification cavity and a lime water cavity through the partition plate, a rotating shaft which penetrates through one end of the auxiliary cylinder body and is connected with the other end of the auxiliary cylinder body is arranged inside the flue gas purification cylinder, and a plurality of stirring blades which are positioned inside the flue gas purification cylinder and the auxiliary cylinder body are arranged on the rotating shaft; according to the utility model, the output shaft of the driving motor drives the rotating shaft to rotate, and the rotating shaft drives the stirring blades to rotate to stir the lime water in the secondary flue gas purification cavity and the lime water cavity inside the flue gas purification cylinder and the auxiliary cylinder body, so that the lime water in the secondary flue gas purification cavity and the lime water cavity inside the flue gas purification cylinder and the auxiliary cylinder body is uniformly stirred, and the influence of lime water precipitation on the purification effect of the power plant flue gas is avoided.
Description
Technical Field
The utility model relates to the technical field of flue gas correlation of power plants, in particular to a flue gas purification device of a power plant.
Background
The boiler is an energy conversion device, the energy input to the boiler comprises chemical energy and electric energy in fuel, and the boiler outputs steam, high-temperature water or an organic heat carrier with certain heat energy. The boiler is a water container heated on fire, a furnace is a place where fuel is combusted, and the boiler comprises a boiler and a furnace. The hot water or steam generated in the boiler can directly provide heat energy for industrial production and people life, and can also be converted into mechanical energy through a steam power device, or the mechanical energy is converted into electric energy through a generator. The boiler for supplying hot water is called a hot water boiler, is mainly used for life, and has a small amount of application in industrial production. The boiler for generating steam is called as a steam boiler, is often called as a boiler for short, and is mainly used for thermal power stations, ships, locomotives and industrial and mining enterprises.
When the flue gas that produces the power plant purifies, add lime wash to the inside of purifying barrel mostly at present, the lime wash of purifying barrel and charging barrel inside can produce the sediment after long-time the placing, just can influence the purifying effect of lime wash to the flue gas, therefore we improve this, provide a power plant flue gas purification device.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects in the prior art, the utility model provides a flue gas purification device for a power plant.
In order to solve the technical problems, the utility model provides the following technical scheme:
the utility model relates to a flue gas purification device for a power plant, which comprises a supporting seat, wherein a flue gas purification cylinder and an auxiliary cylinder body are arranged at the top end of the supporting seat, a partition plate is arranged inside the auxiliary cylinder body, the auxiliary cylinder body is divided into a secondary flue gas purification cavity and a lime water cavity through the partition plate, a rotating shaft which penetrates through one end of the auxiliary cylinder body and is connected with the other end of the auxiliary cylinder body is arranged inside the flue gas purification cylinder, a plurality of stirring blades which are positioned inside the flue gas purification cylinder and the auxiliary cylinder body are arranged on the rotating shaft, and a driving motor for driving the rotating shaft to rotate is arranged at the end part of the flue gas purification cylinder; the end part of the flue gas purification cylinder is communicated with an air inlet pipe, and the lime water cavity is used for adding lime water into the flue gas purification cylinder and the secondary flue gas purification cavity; the upper end of the flue gas purification cylinder is communicated with the lower end of the secondary flue gas purification cavity through a connecting pipe.
As a preferred technical scheme of the utility model, the upper end part of the flue gas purification cylinder is communicated with a first exhaust pipe and a connecting pipe through a three-way pipe, and the three-way pipe is provided with a first flue gas detector for detecting flue gas after primary purification.
As a preferred technical scheme of the present invention, a second electromagnetic valve is disposed on the first exhaust pipe, a third electromagnetic valve is disposed on the connecting pipe, a controller is mounted on the supporting seat, and the second electromagnetic valve and the third electromagnetic valve are electrically connected to the controller through wires, respectively.
As a preferred technical scheme of the present invention, a second exhaust pipe communicated with the flue gas purification cylinder is arranged on the auxiliary cylinder, a return pipe communicated with the flue gas purification cylinder is communicated with the second exhaust pipe, and a second flue gas detector for detecting secondary flue gas purification is arranged on the second exhaust pipe.
As a preferred technical solution of the present invention, a fourth electromagnetic valve is disposed on the second exhaust pipe, a first electromagnetic valve is disposed on the return pipe, and the fourth electromagnetic valve and the first electromagnetic valve are electrically connected to the controller through a guide.
As a preferred technical scheme of the utility model, one end of the auxiliary cylinder body is provided with a water pump, a water inlet of the water pump is communicated with the lime water cavity, a water outlet of the water pump is connected with a liquid inlet pipe, and the liquid inlet pipe is provided with two branch pipes which are respectively communicated with the flue gas purification cylinder and the secondary flue gas purification cavity.
As a preferred technical scheme of the utility model, the end parts of the two ends of the flue gas purification cylinder and the auxiliary cylinder body, and the joint of the partition plate and the rotating shaft are respectively provided with a sealing bearing.
The utility model has the beneficial effects that:
1. the flue gas purification device for the power plant can add lime water into a flue gas purification cylinder and a secondary flue gas purification cavity when purifying flue gas generated by the power plant, the flue gas generated by the power plant can enter the flue gas purification cylinder through an air inlet pipe, the flue gas after primary purification enters the secondary flue gas purification cavity inside the auxiliary cylinder under the primary purification action of the flue gas purification cylinder, the flue gas purification effect of the power plant is better under the secondary purification action of the lime water inside the secondary flue gas purification cavity, wherein, an output shaft of a driving motor drives a rotating shaft to rotate, the rotating shaft drives stirring blades to rotate to stir the flue gas purification cylinder, the secondary flue gas purification cavity inside the auxiliary cylinder and the lime water inside the lime water cavity, so that the secondary flue gas purification cavity inside the flue gas purification cylinder and the auxiliary cylinder and the lime water inside the lime water cavity are uniformly stirred, the influence of lime wash precipitation on the purification effect of the lime wash on the flue gas of the power plant is avoided.
2. The power plant flue gas purification device is characterized in that a first exhaust pipe and a connecting pipe are communicated with the upper end part of a flue gas purification cylinder through a three-way pipe, a first flue gas detector for detecting flue gas after primary purification is arranged on the three-way pipe, the flue gas is subjected to primary purification by lime water in the flue gas purification cylinder and then enters the inside of the three-way pipe, the first flue gas detector detects the flue gas in the three-way pipe, if the flue gas in the three-way pipe reaches a discharge standard, a controller controls a second electromagnetic valve to be opened so that the flue gas is discharged, if the flue gas in the three-way pipe does not reach the discharge standard, the controller controls the second electromagnetic valve to be closed and opens a third electromagnetic valve so that the flue gas enters a secondary flue gas purification cavity in an auxiliary cylinder through the connecting pipe to perform secondary flue gas purification, and after the secondary flue gas purification, if the flue gas in the secondary flue gas purification cavity reaches the discharge standard, the fourth solenoid valve of controller control is opened for the inside flue gas discharge in secondary gas cleaning chamber, if the inside flue gas in secondary gas cleaning chamber does not reach emission standard, the fourth solenoid valve of controller control is closed, and make first solenoid valve open, makes the inside flue gas of secondary gas cleaning chamber flow back to the inside of a gas cleaning section of thick bamboo through the back flow, can carry out twice purification and detect the flue gas that produces the power plant and discharge after reaching emission standard to the flue gas that the power plant produced.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:
FIG. 1 is a schematic diagram of a flue gas purification device for a power plant according to the present invention;
FIG. 2 is a sectional view showing the construction of a flue gas purification apparatus for a power plant according to the present invention;
FIG. 3 is a schematic view of a first flue gas detector of the flue gas purification apparatus of the power plant of the present invention;
FIG. 4 is a schematic diagram of a second flue gas detector of the flue gas purification device of the power plant of the present invention.
In the figure: 1. a supporting seat; 2. a flue gas purification cartridge; 3. an auxiliary cylinder; 4. a drive motor; 5. an air inlet pipe; 6. a first flue gas detector; 7. a first exhaust pipe; 8. a controller; 9. a rotating shaft; 10. stirring blades; 11. a liquid inlet pipe; 12. a branch pipe; 13. a second flue gas detector; 14. a connecting pipe; 15. a partition plate; 16. a secondary flue gas purification cavity; 17. a lime water cavity; 18. a water pump; 19. a three-way pipe; 20. a first solenoid valve; 21. a second solenoid valve; 22. a third solenoid valve; 23. a second exhaust pipe; 24. a fourth solenoid valve; 25. a return pipe.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Example (b): as shown in fig. 1, fig. 2, fig. 3 and fig. 4, the flue gas purification device for a power plant of the present invention includes a support base 1, a flue gas purification cylinder 2 and an auxiliary cylinder 3 are disposed at the top end of the support base 1, a partition plate 15 is disposed inside the auxiliary cylinder 3, the auxiliary cylinder 3 is divided into a secondary flue gas purification cavity 16 and a lime water cavity 17 by the partition plate 15, a rotation shaft 9 penetrating through one end of the auxiliary cylinder 3 and connected to the other end of the auxiliary cylinder 3 is disposed inside the flue gas purification cylinder 2, a plurality of stirring blades 10 disposed inside the flue gas purification cylinder 2 and the auxiliary cylinder 3 are disposed on the rotation shaft 9, and a driving motor 4 for driving the rotation shaft 9 to rotate is mounted at the end of the flue gas purification cylinder 2; the end part of the flue gas purification cylinder 2 is communicated with an air inlet pipe 5, and a lime water cavity 17 is used for adding lime water into the flue gas purification cylinder 2 and the secondary flue gas purification cavity 16; the upper end of the flue gas purification cylinder 2 is communicated with the lower end of a secondary flue gas purification cavity 16 through a connecting pipe 14.
Wherein, the upper end of the flue gas purification cylinder 2 is communicated with a first exhaust pipe 7 and a connecting pipe 14 through a three-way pipe 19, the three-way pipe 19 is provided with a first flue gas detector 6 for detecting flue gas after primary purification, the first exhaust pipe 7 is provided with a second electromagnetic valve 21, the connecting pipe 14 is provided with a third electromagnetic valve 22, the supporting seat 1 is provided with a controller 8, the second electromagnetic valve 21 and the third electromagnetic valve 22 are respectively and electrically connected with the controller 8 through conducting wires, the auxiliary cylinder 3 is provided with a second exhaust pipe 23 communicated with the flue gas purification cylinder 2, the second exhaust pipe 23 is communicated with a return pipe 25 communicated with the flue gas purification cylinder 2, the second exhaust pipe 23 is provided with a second flue gas detector 13 for detecting secondary flue gas purification, the second exhaust pipe 23 is provided with a fourth electromagnetic valve 24, the return pipe 25 is provided with a first electromagnetic valve 20, the fourth electromagnetic valve 24 and the first electromagnetic valve 20 are respectively and electrically connected with the controller 8 through guiding, the lime water in the flue gas purification cylinder 2 primarily purifies the flue gas and then enters the three-way pipe 19, the first flue gas detector 6 detects the flue gas in the three-way pipe 19, if the flue gas in the three-way pipe 19 reaches the emission standard, the controller 8 controls the second electromagnetic valve 21 to be opened so that the flue gas is discharged, if the flue gas in the three-way pipe 19 does not reach the emission standard, the controller 8 controls the second electromagnetic valve 21 to be closed and the third electromagnetic valve 22 to be opened so that the flue gas enters the secondary flue gas purification cavity 16 in the auxiliary cylinder 3 through the connecting pipe 14 to be secondarily purified, after the secondary flue gas purification, if the flue gas in the secondary flue gas purification cavity 16 reaches the emission standard, the controller 8 controls the fourth electromagnetic valve 24 to be opened so that the flue gas in the secondary flue gas purification cavity 16 is discharged, and if the flue gas in the secondary flue gas purification cavity 16 does not reach the emission standard, the controller 8 controls the fourth electromagnetic valve 24 to close and opens the first electromagnetic valve 20, so that the flue gas in the secondary flue gas cleaning cavity 16 flows back to the inside of the flue gas cleaning cylinder 2 through the return pipe 25, and the flue gas generated by the power plant can be cleaned twice and detected to reach the emission standard before being discharged.
Wherein, a water pump 18 is installed at one end of the auxiliary cylinder 3, the water inlet of the water pump 18 is communicated with the lime water cavity 17, the water outlet of the water pump 18 is connected with a liquid inlet pipe 11, and two branch pipes 12 which are respectively communicated with the flue gas purification cylinder 2 and the secondary flue gas purification cavity 16 are arranged on the liquid inlet pipe 11.
Wherein, the end parts of the two ends of the flue gas purification cylinder 2 and the auxiliary cylinder 3, and the joint of the division plate 15 and the rotating shaft 9 are provided with sealing bearings to play a role of sealing.
When the flue gas purification device for the power plant works, when the flue gas generated by the power plant is purified, lime water can be added into the flue gas purification cylinder 2 and the secondary flue gas purification cavity 16 through the lime water cavity 17 in the auxiliary cylinder 3, the flue gas generated by the power plant can enter the flue gas purification cylinder 2 through the air inlet pipe 5, under the primary purification effect of the flue gas purification cylinder 2, the flue gas after primary purification enters the secondary flue gas purification cavity 16 in the auxiliary cylinder 3, and the flue gas purification effect of the power plant is better under the secondary purification effect of the lime water in the secondary flue gas purification cavity 16, wherein the output shaft of the driving motor 4 drives the rotating shaft 9 to rotate, the rotating shaft 9 drives the stirring blade 10 to rotate to stir the flue gas purification cylinder 2, the secondary flue gas purification cavity 16 in the auxiliary cylinder 3 and the lime water in the lime water cavity 17, make the inside secondary flue gas purification chamber 16 of gas cleaning section of thick bamboo 2 and auxiliary cylinder 3 and the inside lime wash stirring in lime wash chamber 17, avoided lime wash to deposit and influenced the purifying effect of lime wash to the power plant flue gas.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a power plant gas cleaning device, includes supporting seat (1), its characterized in that, the top of supporting seat (1) is equipped with gas cleaning section of thick bamboo (2) and auxiliary cylinder body (3), the inside of auxiliary cylinder body (3) is equipped with division board (15), auxiliary cylinder body (3) divide into secondary gas cleaning chamber (16) and lime water chamber (17) through division board (15), the inside of gas cleaning section of thick bamboo (2) is equipped with and passes auxiliary cylinder body (3) one end and with the axis of rotation (9) that the other end of auxiliary cylinder body (3) is connected, be equipped with a plurality of stirring leaf (10) that are located gas cleaning section of thick bamboo (2) and auxiliary cylinder body (3) inside on axis of rotation (9), driving motor (4) that drive axis of rotation (9) pivoted are installed to the tip of gas cleaning section of thick bamboo (2); the end part of the flue gas purification cylinder (2) is communicated with an air inlet pipe (5), and the lime water cavity (17) is used for adding lime water into the flue gas purification cylinder (2) and the secondary flue gas purification cavity (16); the upper end part of the flue gas purification cylinder (2) is communicated with the lower end part of the secondary flue gas purification cavity (16) through a connecting pipe (14).
2. The power plant flue gas purification device of claim 1, wherein the upper end of the flue gas purification cylinder (2) is communicated with a first exhaust pipe (7) and a connecting pipe (14) through a three-way pipe (19), and the three-way pipe (19) is provided with a first flue gas detector (6) for detecting flue gas after primary purification.
3. The flue gas purification device for the power plant according to claim 2, wherein a second electromagnetic valve (21) is arranged on the first exhaust pipe (7), a third electromagnetic valve (22) is arranged on the connecting pipe (14), the support base (1) is provided with the controller (8), and the second electromagnetic valve (21) and the third electromagnetic valve (22) are respectively and electrically connected with the controller (8) through wires.
4. A power plant flue gas purification apparatus according to claim 3, wherein a second exhaust pipe (23) communicated with the flue gas purification cartridge (2) is provided on the auxiliary drum (3), a return pipe (25) communicated with the flue gas purification cartridge (2) is communicated with the second exhaust pipe (23), and a second flue gas detector (13) for detecting secondary flue gas purification is provided on the second exhaust pipe (23).
5. The flue gas purification device for the power plant according to claim 4, wherein a fourth solenoid valve (24) is arranged on the second exhaust pipe (23), a first solenoid valve (20) is arranged on the return pipe (25), and the fourth solenoid valve (24) and the first solenoid valve (20) are respectively electrically connected with the controller (8) through guiding.
6. The flue gas purification device for the power plant according to claim 1, wherein a water pump (18) is installed at one end of the auxiliary cylinder (3), a water inlet of the water pump (18) is communicated with the lime water cavity (17), a water outlet of the water pump (18) is connected with a liquid inlet pipe (11), and two branch pipes (12) respectively communicated with the flue gas purification cylinder (2) and the secondary flue gas purification cavity (16) are arranged on the liquid inlet pipe (11).
7. The flue gas purification device for the power plant as claimed in claim 1, wherein the two end parts of the flue gas purification cylinder (2) and the auxiliary cylinder body (3) and the joint of the partition plate (15) and the rotating shaft (9) are provided with sealing bearings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220524834.2U CN216799360U (en) | 2022-03-11 | 2022-03-11 | Power plant flue gas purification device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220524834.2U CN216799360U (en) | 2022-03-11 | 2022-03-11 | Power plant flue gas purification device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216799360U true CN216799360U (en) | 2022-06-24 |
Family
ID=82045720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220524834.2U Expired - Fee Related CN216799360U (en) | 2022-03-11 | 2022-03-11 | Power plant flue gas purification device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216799360U (en) |
-
2022
- 2022-03-11 CN CN202220524834.2U patent/CN216799360U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220624 |
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| CF01 | Termination of patent right due to non-payment of annual fee |