CN117531606A - Wet electrostatic dust collection system - Google Patents
Wet electrostatic dust collection system Download PDFInfo
- Publication number
- CN117531606A CN117531606A CN202311823757.6A CN202311823757A CN117531606A CN 117531606 A CN117531606 A CN 117531606A CN 202311823757 A CN202311823757 A CN 202311823757A CN 117531606 A CN117531606 A CN 117531606A
- Authority
- CN
- China
- Prior art keywords
- dust
- wet electrostatic
- wet
- desulfurization
- dust collection
- 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.)
- Pending
Links
- 239000000428 dust Substances 0.000 title claims abstract description 87
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 54
- 238000006477 desulfuration reaction Methods 0.000 claims abstract description 24
- 230000023556 desulfurization Effects 0.000 claims abstract description 24
- 238000005507 spraying Methods 0.000 claims abstract description 18
- 238000004140 cleaning Methods 0.000 claims abstract description 14
- 239000007921 spray Substances 0.000 claims abstract description 8
- 238000001914 filtration Methods 0.000 claims abstract description 6
- 238000011010 flushing procedure Methods 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 4
- 238000001556 precipitation Methods 0.000 claims description 4
- 239000010802 sludge Substances 0.000 claims description 4
- 239000012719 wet electrostatic precipitator Substances 0.000 claims 6
- 239000002245 particle Substances 0.000 abstract description 5
- 238000004064 recycling Methods 0.000 abstract description 3
- 238000009825 accumulation Methods 0.000 description 5
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- 239000003546 flue gas Substances 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000012717 electrostatic precipitator Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/34—Constructional details or accessories or operation thereof
- B03C3/74—Cleaning the electrodes
- B03C3/78—Cleaning the electrodes by washing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/02—Plant or installations having external electricity supply
- B03C3/16—Plant or installations having external electricity supply wet type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/34—Constructional details or accessories or operation thereof
- B03C3/88—Cleaning-out collected particles
Landscapes
- Electrostatic Separation (AREA)
Abstract
The invention discloses a wet electrostatic dust collection system which comprises a boiler, a denitration system, a spray system, a desulfurization system, a wet electrostatic dust collection system, a chimney, a clean water system and a desulfurization water system. The wet electrostatic dust collection system can provide corona power which is several times that of a dry electric dust collector, is suitable for removing particles with submicron size, can effectively collect dust with high viscosity or high specific resistance, can effectively control secondary dust emission during water spraying and dust cleaning, saves energy sources through filtering and recycling of sprayed water, and can always keep dust collection poles clean by utilizing water spraying, thereby improving dust collection efficiency in unit area and achieving lower emission concentration.
Description
Technical Field
The invention relates to the technical field of dust removal, in particular to a wet electrostatic dust removal system.
Background
With the rapid development of industrial production, the discharge of a large amount of dust and harmful gases severely pollutes the environment. In order to reduce environmental pollution, electrostatic precipitators are widely used in industrial processes. However, the conventional electrostatic precipitator has some problems such as incapability of performing denitration and desulfurization, low dust removal efficiency, easiness in secondary pollution and the like.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a wet electrostatic dust collection system, which aims to solve the problems of incapability of carrying out denitration and desulfurization, low dust collection efficiency, easiness in secondary pollution and the like of the traditional electrostatic dust collector.
In order to achieve the aim of the invention, the invention adopts the following technical scheme:
a wet electrostatic dust collection system comprises a boiler, a denitration system, a spraying system, a desulfurization system, a wet electrostatic dust collection system, a chimney, a clean water system and a desulfurization water system;
the wet electric dust removal system comprises a frame, a dust remover body is arranged on the frame, a fixer is arranged on the outer side face of the dust remover body, a guide plate is connected to the dust remover body, an insulation box and a high-voltage power supply are arranged at the top of the dust remover body, a cleaning system is arranged in the dust remover body, a flushing water pipe is connected to the cleaning system, a dust collection pole is arranged below the cleaning system, a heavy hammer is arranged below the dust collection pole, a hot air pipe is arranged on the outer side face of the dust remover body, a water accumulation bucket is arranged at the bottom of the dust remover body, and a drain pipe is connected to the bottom of the water accumulation bucket.
Further, the clean water system is respectively communicated with the spraying system and the wet electric dust removal system, and the desulfurization water system is respectively communicated with the denitration system and the wet electric dust removal system.
Further, the boiler, the denitration system, the spraying system, the desulfurization system, the wet electric dust removal system and the chimney are sequentially communicated.
Further, a filtering system and a sludge screw pump are arranged in the clean water system.
Further, the flushing water pipe is communicated with a clean water system.
Further, the drain pipe is communicated with a desulfurization water system.
Further, a spray pipe is arranged in the spray system.
The beneficial effects of the invention are as follows:
the wet electrostatic dust collection system can provide corona power which is several times that of a dry electric dust collector, is suitable for removing particles with submicron size, can effectively collect dust with high viscosity or high specific resistance, can effectively control secondary dust emission during water spraying and dust cleaning, saves energy sources through filtering and recycling of sprayed water, and can always keep dust collection poles clean by utilizing water spraying, thereby improving dust collection efficiency in unit area and achieving lower emission concentration.
Drawings
FIG. 1 is a schematic diagram of a wet electrostatic dust collection system according to the present invention;
fig. 2 is a schematic structural diagram of a wet electric precipitation system according to the present invention.
Reference numeral control table:
1. a boiler; 2. a denitration system; 3. a spraying system; 4. a desulfurization system; 5. a wet electric dust removal system; 6. a chimney; 7. a clean water system; 8. a desulfurization water system; 9. a frame; 10. a dust collector body; 11. a deflector; 12. an insulation box; 13. a high voltage power supply; 14. a cleaning system; 15. a flushing water pipe; 16. a dust collecting electrode; 17. a heavy hammer; 18. a hot air pipe; 19. a water accumulation bucket; 20. a drain pipe; 21. a filtration system; 22. a sludge screw pump; 23. and a spray water pipe.
Detailed Description
Specific embodiments of the present invention will be further described below with reference to the accompanying drawings. Wherein like parts are designated by like reference numerals.
It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings, and the words "inner" and "outer" refer to directions toward or away from, respectively, the geometric center of a particular component.
In order to make the contents of the present invention more clearly understood, the technical solutions 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.
As shown in fig. 1 to 2, a wet electrostatic dust collection system comprises a boiler 1, a denitration system 2, a spraying system 3, a desulfurization system 4, a wet electrostatic dust collection system 5, a chimney 6, a clean water system 7 and a desulfurization water system 8;
the boiler 1, the denitration system 2, the spraying system 3, the desulfurization system 4, the wet electric dust removal system 5 and the chimney 6 are sequentially communicated.
A spray pipe 23 is arranged in the spray system 3.
The flushing water pipe 15 communicates with the clean water system 7.
A filter system 21 and a sludge screw pump 22 are arranged in the clean water system 7.
Flue gas generated by the boiler 1 enters the spraying system 3 through the denitration system 2 for denitration, clean water is sprayed out by the spraying system 3 for dust fall, secondary dust emission is controlled, the sprayed water is filtered and reused, energy is saved, the flue gas enters the desulfurization system 4 for desulfurization, and the flue gas enters the wet-type electric dust removal system 5.
The clean water system 7 is respectively communicated with the spraying system 3 and the wet electric dust removal system 5, and the desulfurization water system 8 is respectively communicated with the denitration system 2 and the wet electric dust removal system 5.
The wet electric dust removal system 5 comprises a frame 9, a dust remover body 10 is arranged on the frame 9, a fixer is arranged on the outer side surface of the dust remover body 10, a guide plate 11 is connected to the dust remover body 10, an insulation box 12 and a high-voltage power supply 13 are arranged at the top of the dust remover body 10, a cleaning system 14 is arranged in the dust remover body 10, a flushing water pipe 15 is connected to the cleaning system 14, a dust collecting electrode 16 is arranged below the cleaning system 14, a heavy hammer 17 is arranged below the dust collecting electrode 16, a hot air pipe 18 is arranged on the outer side surface of the dust remover body 10, a water accumulation bucket 19 is arranged at the bottom of the dust remover body 10, a water drain pipe 20 is connected to the bottom of the water accumulation bucket 19, and the water drain pipe 20 is communicated with the desulfurization water system 8.
Under the action of direct-current high voltage, the metal discharge wire ionizes the surrounding gas to charge the surfaces of dust or fog drops.
The charged particles move toward the dust collecting electrode under the action of the electric field force and are deposited on the dust collecting electrode 16.
The water flows down from the top end of the dust collecting plate, forms a layer of uniform and stable water film on the dust collecting plate, and takes away particles on the dust collecting plate.
The cleaning water flows into the desulfurization water system 8 and is subjected to centralized treatment.
The wet electrostatic dust collection system can provide corona power which is several times that of a dry electric dust collector, is suitable for removing particles with submicron size, can effectively collect dust with high viscosity or high specific resistance, can effectively control secondary dust emission during water spraying and dust cleaning, can save energy sources by filtering and recycling sprayed water, can always keep dust collection poles clean by utilizing water spraying, can improve dust collection efficiency in unit area, can reach lower emission concentration, can reach the level of clean emission of a gas power plant, and is stable and reliable.
The above description is illustrative of the preferred embodiments of the present invention and is not intended to limit the scope of the present invention, but is to be accorded the full scope of the claims.
Claims (7)
1. The wet electrostatic dust collection system is characterized by comprising a boiler (1), a denitration system (2), a spraying system (3), a desulfurization system (4), a wet electrostatic dust collection system (5), a chimney (6), a clean water system (7) and a desulfurization water system (8);
wet-type electric precipitation system (5) includes frame (9), be equipped with dust remover body (10) on frame (9), dust remover body (10) lateral surface is equipped with the fixer (), be connected with guide plate (11) on dust remover body (10), dust remover body (10) top is equipped with insulation box (12) and high voltage power supply (13), be equipped with cleaning system (14) in dust remover body (10), be connected with wash pipe (15) on cleaning system (14), cleaning system (14) below is equipped with dust collecting pole (16), dust collecting pole (16) below is equipped with weight (17), dust remover body (10) lateral surface is equipped with hot-blast pipe (18), dust remover body (10) bottom is equipped with ponding fill (19), ponding fill (19) bottom is connected with drain pipe (20).
2. A wet electrostatic precipitator system according to claim 1, wherein: the clean water system (7) is respectively communicated with the spraying system (3) and the wet electric precipitation system (5), and the desulfurization water system (8) is respectively communicated with the denitration system (2) and the wet electric precipitation system (5).
3. A wet electrostatic precipitator system according to claim 1, wherein: the boiler (1), the denitration system (2), the spraying system (3), the desulfurization system (4), the wet electric dust removal system (5) and the chimney (6) are sequentially communicated.
4. A wet electrostatic precipitator system according to claim 1, wherein: a filtering system (21) and a sludge screw pump (22) are arranged in the clean water system (7).
5. A wet electrostatic precipitator system according to claim 1, wherein: the flushing water pipe (15) is communicated with the clean water system (7).
6. A wet electrostatic precipitator system according to claim 1, wherein: the drain pipe (20) is communicated with the desulfurization water system (8).
7. A wet electrostatic precipitator system according to claim 1, wherein: a spray pipe (23) is arranged in the spray system (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311823757.6A CN117531606A (en) | 2023-12-28 | 2023-12-28 | Wet electrostatic dust collection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311823757.6A CN117531606A (en) | 2023-12-28 | 2023-12-28 | Wet electrostatic dust collection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117531606A true CN117531606A (en) | 2024-02-09 |
Family
ID=89788345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311823757.6A Pending CN117531606A (en) | 2023-12-28 | 2023-12-28 | Wet electrostatic dust collection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117531606A (en) |
-
2023
- 2023-12-28 CN CN202311823757.6A patent/CN117531606A/en active Pending
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| PB01 | Publication | ||
| PB01 | Publication |