CN202823635U - Washing device for wet electric precipitator - Google Patents
Washing device for wet electric precipitator Download PDFInfo
- Publication number
- CN202823635U CN202823635U CN201220495283.8U CN201220495283U CN202823635U CN 202823635 U CN202823635 U CN 202823635U CN 201220495283 U CN201220495283 U CN 201220495283U CN 202823635 U CN202823635 U CN 202823635U
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- electric field
- wet electrical
- dust precipitator
- electrical dust
- nozzle
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Abstract
The utility model discloses a washing device for a wet electric precipitator. The washing device comprises a water supply source and also comprises a distribution plate washing part, an electric field washing part and a demister washing part which are respectively communicated with the water supply source, wherein the distribution plate washing part is arranged at an inlet horn of the wet electric precipitator; the electric field washing part is arranged above an electric field of the wet electric precipitator; and the demister washing part is arranged at an outlet horn of the wet electric precipitator. According to the washing device, the interior of the wet electric precipitator can be washed in a sectioned mode, the washing of the interior of the wet electric precipitator can be controlled, the adjustment can be made according to specific conditions of various parts, water is saved to the greatest degree, and an optimal ash removal effect is realized; and for interior of the electric field with the most serious corrosion degree, the continuous spraying and the intermittent washing are performed in a crossed mode, the ash removal of a polar plate is realized, dust and fog-drops collected from the polar plate are timely washed, the corrosion of the polar plate is lightened, and a scaling phenomenon is avoided, so that the service life of the wet electric precipitator is prolonged.
Description
Technical field
The utility model belongs to industrial equipment cleaning device field, is specifically related to a kind of flusher of wet electrical dust precipitator.
Background technology
Wet electrical dust precipitator application worldwide has century more than one, and is extensive in sector applications such as metallurgy, chemical industry.Along with the increasing of state control environmental pollution dynamics, the coal-burning power plant is faced with the pressure of low emission, in the urgent need to seeking new pollution control measures.Wet electrical dust precipitator without secondary fly-up, therefore can reach utmost point low emission because employing wet type deashing is insensitive to dust characteristic, can also effectively control the sulfur trioxide acid mist simultaneously, alleviates after the wet desulphurization because the chimney etching problem that the cancellation of GGH brings.But domestic traditional wet electric cleaner adopts intermittently flushing, and namely wet electrical dust precipitator washes a few minutes after several hours in work again, and this mode is applied to can produce serious corrosion under the acid mist environment of coal-burning power plant.This is because the flue gas after the wet desulphurization is in saturation state, and contain the sulfur trioxide acid mist in the flue gas, smoke gas flow is when wet electrical dust precipitator, acid mist droplet and dust become trapped on the pole plate, because not in time flushing, acid mist droplet on the pole plate will condense into sulfuric acid, heavy corrosion pole plate, even perforation.The distribution grid of wet electrical dust precipitator inside, discharge electrode system and internal support, demister etc. also need periodic flushing, remove the dust stratification on surface, prevent from stopping up and corrosion.
The utility model content
The purpose of this utility model is to overcome the prior art defective, and a kind of flusher of wet electrical dust precipitator is provided.
The technical solution of the utility model is as follows:
A kind of flusher of wet electrical dust precipitator, comprise watering, also comprise the distribution grid rinse part, electric field rinse part and the mist eliminator flushing section that are connected with watering respectively, wherein the distribution grid rinse part is arranged on the import loudspeaker of wet electrical dust precipitator, the electric field rinse part is arranged on the electric field top of wet electrical dust precipitator, and mist eliminator flushing section is arranged on the outlet loudspeaker of wet electrical dust precipitator.
Preferably, described distribution grid rinse part is provided with several water spraying directions towards the first nozzle of the distribution grid of wet electrical dust precipitator.
Preferably, described electric field rinse part comprises continuous spray section and the interruption rinse part of the top of the electric field that is arranged on wet electrical dust precipitator.
Preferably, the position of described continuous spray section is lower than the position of described interruption rinse part.
Preferably, described continuous spray section is provided with several second nozzles that the polar board surface that can make wet electrical dust precipitator forms continuous moisture film.
Preferably, described interruption rinse part is provided with several the 3rd nozzles, and the number of described the 3rd nozzle is less than the number of second nozzle, and the spray angle of described the 3rd nozzle is greater than the spray angle of described second nozzle.
Preferably, described mist eliminator flushing section is provided with several water spraying directions perpendicular to the 4th nozzle of the demister of wet electrical dust precipitator.
Preferably, also comprise a control module, this control module is electrically connected with described second nozzle and the 3rd nozzle respectively.
The beneficial effects of the utility model are:
1, the utility model can realize that sectional flushing is carried out in wet electrical dust precipitator inside also to be controlled, can make adjustment according to the concrete condition of each parts, and farthest using water wisely, and realize best ash-removal effect.
2, inner to the most serious electric field of corrosion, adopt continuously spray and intermittently wash forked working, realize the continuous deashing of pole plate, in time clean dust and the droplet of collecting on the pole plate, both alleviate the corrosion of pole plate, avoided again scale formation, thereby prolonged the service life of wet electrical dust precipitator.
Description of drawings
Fig. 1 is the structural representation of the specific embodiment of the present utility model;
Fig. 2 is along the cutaway view of A-A among Fig. 1;
Fig. 3 is along the cutaway view of B-B among Fig. 1.
The specific embodiment
Below by reference to the accompanying drawings the technical solution of the utility model is further detailed and describes by the specific embodiment.
As shown in Figure 1, wet electrical dust precipitator 5 comprises distribution grid 51, electric field parts 52 and demister 53, and wherein, distribution grid 51 is positioned at gas approach, and the air-flow that enters electric field is evenly distributed, and demister 53 is positioned at exhanst gas outlet, is used for the droplet of interception flue gas.Smoke treatment enters from gas approach, enters electric field after distribution grid 51 current-sharings, experiences charged and the rear remaining droplet of being tackled in the flue gases by demister 53 that gathers dust, and last clean flue gas is discharged by exhanst gas outlet.
The flusher of wet electrical dust precipitator of the present utility model, comprise watering 1, also comprise the distribution grid rinse part 2, electric field rinse part 3 and the mist eliminator flushing section 4 that are connected with watering 1 respectively, wherein distribution grid rinse part 2 is arranged on the import loudspeaker of wet electrical dust precipitator 5, electric field rinse part 3 is arranged on the electric field top of wet electrical dust precipitator 5, and mist eliminator flushing section 4 is arranged on the outlet loudspeaker of wet electrical dust precipitator 5.
Described distribution grid rinse part 2 is provided with several water spraying directions towards the first nozzle 21 of the distribution grid 51 of wet electrical dust precipitator 5.
Described electric field rinse part 3 comprises that a continuous spray section 31 and of the top of the electric field that is arranged on wet electrical dust precipitator 5 is interrupted rinse part 32.Described continuous spray section 31 is arranged on described interruption rinse part 32 belows.
As shown in Figure 2, described continuous spray section 31 is provided with several second nozzles 311 that pole plate 55 surfaces that can make wet electrical dust precipitator 5 form continuous moisture film.This second nozzle 311 carries out permutation and combination above electric field, make its coverage can be covered with whole electric field, does not stay the dead angle.The requirement of 31 pairs of second nozzles 311 of spray section is very strict continuously, requires second nozzle 311 atomizing effects even, and water consumption is economized.Continuously during the spray, the water smoke of second nozzle 311 ejections enters electric field region, after charged, become trapped in the dust collector pole surface at water smoke under the effect of electric field, under Action of Gravity Field, flow to the dust collector pole lower end, in this process, the dust on the pole plate is rinsed well with acid mist, thereby can be guaranteed the surperficial cleaning of gathering dust, alleviate the corrosion that acid mist brings, and can further improve efficiency of dust collection.
As shown in Figure 3, described interruption rinse part 32 is provided with several the 3rd nozzles 321, the number of described the 3rd nozzle 321 is less than the number of second nozzle 311, the spray angle of the 3rd nozzle 321 is greater than second nozzle 311, so that be interrupted the water spray coverage of rinse part 32 greater than the water spray coverage of continuous spray section 31.This is interrupted rinse part 32, and only the periodic flushing electric field is inner.Preferably, the utility model also comprises a control module, and this control module is electrically connected with described second nozzle 311 and the 3rd nozzle 321 respectively.
Described mist eliminator flushing section 4 is provided with several water spraying directions towards the 4th nozzle 41 of the demister 53 of wet electrical dust precipitator.
The continuous spray section 31 of described distribution grid rinse part 2, electric field rinse part 3, interruption rinse part 32 and the mist eliminator flushing part 4 of electric field rinse part 3 are not connected with described watering 1 by the valve part of regulating pondage and pressure, above-mentioned each valve part both can manually be controlled, and can adopt procedure auto-control again.
In concrete use procedure, distribution grid rinse part 2 and mist eliminator flushing section 4 are for being interrupted flushing, and electric field rinse part 3 is divided into continuous spray and is interrupted flushing.Be interrupted flushing and carry out programme-control by described control module, set duration and the blanking time of flushing, and set hydraulic pressure and the water yield.Electric field flushing and continuous spray forked working namely stop flushing during the spray continuously, stop between flush period spraying, and this process is carried out programme-control by described control module.The water yield and the hydraulic pressure of spray can carry out programme-control by control module according to the dust content in the flue gas and smoke treatment amount continuously.
The above, it only is preferred embodiment of the present utility model, therefore can not limit according to this scope that the utility model is implemented, the equivalence of namely doing according to the utility model claim and description changes and modifies, and all should still belong in the scope that the utility model contains.
Claims (8)
1. the flusher of a wet electrical dust precipitator, comprise watering, it is characterized in that: also comprise the distribution grid rinse part, electric field rinse part and the mist eliminator flushing section that are connected with watering respectively, wherein the distribution grid rinse part is arranged on the import loudspeaker of wet electrical dust precipitator, the electric field rinse part is arranged on the electric field top of wet electrical dust precipitator, and mist eliminator flushing section is arranged on the outlet loudspeaker of wet electrical dust precipitator.
2. the flusher of a kind of wet electrical dust precipitator as claimed in claim 1, it is characterized in that: described distribution grid rinse part is provided with several water spraying directions towards the first nozzle of distribution grid.
3. the flusher of a kind of wet electrical dust precipitator as claimed in claim 1 is characterized in that: described electric field rinse part comprises the continuous spray section that is arranged on the electric field top and is interrupted rinse part.
4. the flusher of a kind of wet electrical dust precipitator as claimed in claim 3 is characterized in that: described continuous spray section is arranged on described interruption rinse part below.
5. the flusher of a kind of wet electrical dust precipitator as claimed in claim 4 is characterized in that: described continuous spray section is provided with several second nozzles.
6. the flusher of a kind of wet electrical dust precipitator as claimed in claim 5, it is characterized in that: described interruption rinse part is provided with several the 3rd nozzles, the number of described the 3rd nozzle is less than the number of second nozzle, and the spray angle of described the 3rd nozzle is greater than the spray angle of described second nozzle.
7. the flusher of a kind of wet electrical dust precipitator as claimed in claim 1 is characterized in that: described mist eliminator flushing section is provided with several water spraying directions perpendicular to the 4th nozzle of demister.
8. such as the flusher of the described a kind of wet electrical dust precipitator of arbitrary claim in the claim 6, it is characterized in that: also comprise a control module, this control module is electrically connected with described second nozzle and the 3rd nozzle respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220495283.8U CN202823635U (en) | 2012-09-25 | 2012-09-25 | Washing device for wet electric precipitator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220495283.8U CN202823635U (en) | 2012-09-25 | 2012-09-25 | Washing device for wet electric precipitator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202823635U true CN202823635U (en) | 2013-03-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220495283.8U Expired - Lifetime CN202823635U (en) | 2012-09-25 | 2012-09-25 | Washing device for wet electric precipitator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202823635U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103817003A (en) * | 2014-02-28 | 2014-05-28 | 天津机科环保科技有限公司 | Vertical tube type high-pressure wet-type precision static dust remover |
| CN103962240A (en) * | 2014-03-27 | 2014-08-06 | 中国重型机械研究院股份公司 | Wet type electric precipitation device and method for removing fine particulate matters in smoke desulfurized by wet process |
| CN104259006A (en) * | 2014-09-19 | 2015-01-07 | 上海龙净环保科技工程有限公司 | Intermittent spray washing system and method for vertical flow wet-type electric precipitator |
| CN104801137A (en) * | 2015-04-13 | 2015-07-29 | 孙璞 | Wet electrostatic precipitator, desulfurization system as well as desulfurization and dust removal process |
| CN105214840A (en) * | 2015-10-30 | 2016-01-06 | 福建龙净环保股份有限公司 | A kind of wet electrical dust precipitator and spray system thereof |
| CN105797854A (en) * | 2016-04-29 | 2016-07-27 | 浙江天地环保工程有限公司 | Flushing system for coupling of wet electric rear anode plate and front airflow uniform distribution plate and control method of flushing system |
| CN105855061A (en) * | 2016-04-07 | 2016-08-17 | 浙江南源环境工程技术有限公司 | Interval spraying control technology for water saving of wet electrical dust precipitator |
| CN107537249A (en) * | 2017-10-30 | 2018-01-05 | 杨胜亿 | A kind of soot processing device |
-
2012
- 2012-09-25 CN CN201220495283.8U patent/CN202823635U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103817003A (en) * | 2014-02-28 | 2014-05-28 | 天津机科环保科技有限公司 | Vertical tube type high-pressure wet-type precision static dust remover |
| CN103962240A (en) * | 2014-03-27 | 2014-08-06 | 中国重型机械研究院股份公司 | Wet type electric precipitation device and method for removing fine particulate matters in smoke desulfurized by wet process |
| CN104259006A (en) * | 2014-09-19 | 2015-01-07 | 上海龙净环保科技工程有限公司 | Intermittent spray washing system and method for vertical flow wet-type electric precipitator |
| CN104801137A (en) * | 2015-04-13 | 2015-07-29 | 孙璞 | Wet electrostatic precipitator, desulfurization system as well as desulfurization and dust removal process |
| CN105214840A (en) * | 2015-10-30 | 2016-01-06 | 福建龙净环保股份有限公司 | A kind of wet electrical dust precipitator and spray system thereof |
| CN105214840B (en) * | 2015-10-30 | 2017-09-08 | 福建龙净环保股份有限公司 | A kind of wet electrical dust precipitator and its spray system |
| CN105855061A (en) * | 2016-04-07 | 2016-08-17 | 浙江南源环境工程技术有限公司 | Interval spraying control technology for water saving of wet electrical dust precipitator |
| CN105797854A (en) * | 2016-04-29 | 2016-07-27 | 浙江天地环保工程有限公司 | Flushing system for coupling of wet electric rear anode plate and front airflow uniform distribution plate and control method of flushing system |
| CN107537249A (en) * | 2017-10-30 | 2018-01-05 | 杨胜亿 | A kind of soot processing device |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130327 |