CN203329848U - Wet-type electric precipitator - Google Patents
Wet-type electric precipitator Download PDFInfo
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- CN203329848U CN203329848U CN2013203587403U CN201320358740U CN203329848U CN 203329848 U CN203329848 U CN 203329848U CN 2013203587403 U CN2013203587403 U CN 2013203587403U CN 201320358740 U CN201320358740 U CN 201320358740U CN 203329848 U CN203329848 U CN 203329848U
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Abstract
The utility model relates to a wet-type electric precipitator. Currently, the wet-type electric precipitator is large in occupied area and high in investment cost and maintenance cost; as a nozzle spraying manner are adopted by all the wet-type electric precipitators, a dust deposition phenomenon easily occurs on negative wires. The wet-type electric precipitator comprises a shell, wherein a cavity is formed in the shell, an air inlet and an air outlet are formed in the shell, an ash bucket is arranged on the shell, and positive plates, the negative wires, a flushing and spraying system and a dust-removing and spraying system are arranged in the shell. The wet-type electric precipitator is characterized in that the air inlet and the outer inlet are formed in the top of the shell; an airflow separation board is arranged in the shell and divides the shell into a first cavity and a second cavity which are adjacent to each other; at least one row of the positive plates are arranged in the first cavity and the second cavity, and the positive plates are square and are provided with channels; the negative wires are hung at the centers of the channels of the positive plates. The wet-type electric precipitator is reliable in operation and small in occupied area and can effectively remove aerosol formed by fine particulate matters, SO3 and the like and meets low emission requirements.
Description
Technical field
The utility model relates to a kind of deduster, especially a kind of wet electrical dust precipitator.
Background technology
Along with the quickening of industrialization, urbanization process, country is progressively strengthening the dynamics of environmental protection.Country also brings into schedule to the control emission of PM2.5 fine particle, mercury at present, and this makes conventional dry electric precipitation device be difficult to meet the demands.The PM2.5 lung that can go directly, participate in blood circulation directly, and damage lung tissue, cause a series of pathologies.PM2.5 can stop several days several weeks even in surrounding air, is also the principal element that causes air pollution, reduces atmospheric visibility.Wet electrical dust precipitator is as efficient cleaner, can effectively control the discharge of fine, stickiness or the high resistivity dust of PM2.5, is to realize that utmost point low emission controls effective " sharp weapon " of PM2.5 and combined pollutant.
The wet electrical dust precipitator installation form mostly is horizontal at present, plate and cathode line are staggered to be arranged in parallel, and total specific collection area of wet electrical dust precipitator is 2 times of all anode arranged plate gross areas, and floor space is large, to transformation project, be subject to regional center (RC) sex-limited large, the investment maintenance cost is high; The spray of wet electrical dust precipitator all adopts the nozzle spray, by the spray atomizing wet type gas, under the electric field force effect, collects positive plate, therefore on cathode line, easily produces fouling phenomenon.
Summary of the invention
Technical problem to be solved in the utility model be to provide a kind of simple in structure, floor space is little, the investment maintenance cost is low and can efficiently remove the aerosol that fine particle and SO3 etc. form, and realizes a kind of wet electrical dust precipitator of low emission.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is: a kind of wet electrical dust precipitator, comprise that inner is the housing of cavity, be provided with air inlet on described housing, gas outlet and ash bucket, described ash bucket is positioned at housing bottom, be provided with positive plate in housing, cathode line, rinse spray system and dedusting spray system, its special feature is: described air inlet and gas outlet are positioned at case top, be provided with the air-flow demarcation strip in housing, the air-flow demarcation strip is divided into the first adjacent cavity and the second cavity by housing, described the first cavity is communicated with air inlet, described the second cavity is communicated with gas outlet, the bottom of described the first cavity and the second cavity is interconnected and is provided with gas guide board, the positive plate that to be provided with at least one row's cross section in described the first cavity and the second cavity be square and have passage, described cathode line is suspended to the channel center of positive plate, described rinse spray system is positioned at the position at 0.5m-1.5m place, positive plate top, described dedusting spray system is positioned at the positive plate top of the second cavity.
The cross section of described positive plate is square positive plate, and the length of side of its cross section is 0.3m ~ 1.5m, and the length of positive plate is 2m ~ 10m.
Described dedusting spray system is the multiple lines and multiple rows that is welded to form of stainless steel tube and the loop shower be interconnected, shower is close to positive plate top surrounding, be distributed with shallow prostomum shape spray apertures on described shower, the crosswise that described cathode line is light material matter, its end is provided with zigzag electric discharge sheet.
Described gas guide board is between the first cavity and the second cavity.
Be provided with refluxing opening on described ash bucket.
Described cathode line two ends are connected with the negative electrode fixed mount with the cathode suspension frame respectively, and described cathode suspension chord position is in the cathode line top, and described negative electrode fixed mount is positioned at the cathode line bottom.
Described rinse spray system is positioned at the position at 1m place, positive plate top, and the cross section length of side of described positive plate is 0.8m, and the length of positive plate is 6m.
Compared with prior art, the beneficial effects of the utility model are:
1. the present invention is simple in structure, air inlet and gas outlet all are arranged on the top of housing, and positive plate is cross section square and has passage, and cathode line is suspended in passage, therefore under equal specific collection area, floor space is little, and the low and installation form of investment maintenance cost is vertical;
2. the structure of this positive plate can be gathered dust on four sides, is suspended to the crosswise that the cathode line in its passage is light material matter, and its end is provided with zigzag electric discharge sheet, adopts the cathode line of this structure can realize the four sides electric discharge, has better dust collection effect;
3. the top antianode plate 4 that dedusting spray system is close to positive plate 4 is sprayed, forming water membrane at the positive plate face purifies and gathers dust charged dust, the moisture film of continuous-flow is brought the dust of collection into the bottom ash bucket simultaneously and is discharged from refluxing opening, after precipitation circulated sprinkling.
The accompanying drawing explanation
Describe the utility model in detail below in conjunction with drawings and embodiments:
Fig. 1 is a kind of wet electrical dust precipitator structural representation;
Fig. 2 is a kind of wet electrical dust precipitator cathode line and positive plate allocation plan;
The spray pipe structure schematic diagram that Fig. 3 is a kind of wet electrical dust precipitator spray system.
In figure: 1. housing, 2. air inlet, 3. gas outlet, 4. positive plate, 5. cathode line, 6. rinse spray system, 7. dedusting spray system, 8. ash bucket, 9. refluxing opening, 10. air-flow demarcation strip, 11. first cavitys, 12. second cavitys, 13. shower, 14. taper spray apertures, 15. zigzag electric discharge sheets, 16. the cathode suspension frame, 17. negative electrode fixed mounts, 18 gas guide boards.
The specific embodiment
As shown in Figure 1, a kind of wet electrical dust precipitator of the present invention, comprise that inner is the housing of cavity, the top of housing is provided with air inlet and gas outlet, housing bottom is provided with ash bucket, be provided with refluxing opening on ash bucket, be provided with the air-flow demarcation strip in housing housing is divided into to the first adjacent cavity and the second cavity, the first cavity and air inlet are communicated with, the second cavity and gas outlet are communicated with, the bottom of the first cavity and the second cavity is connected, and the bottom of the second cavity is provided with gas guide board 18, and gas guide board 18 can make gas uniform enter the second cavity 12.
The cross section that is respectively arranged with at least one row in the first cavity 11 and the second cavity 12 is square and the positive plate 4 with passage, the length of side of its cross section is preferably 0.8m, the length of positive plate 4 is preferably 6m, all can gather dust in positive plate 4 four sides of this kind of structure, under equal specific collection area, floor space is little, the investment maintenance cost is low, in the suspention of the center of positive plate 4, cathode line 5 is arranged, this cathode line 5 comprises the first polar curve and the second polar curve, the first polar curve and the second polar curve are " L " shape, the first polar curve and the second polar line soldering are integrated and are crosswise, the end of the first polar curve and the second polar curve is provided with zigzag electric discharge sheet 15, the first polar curve and the second polar curve all adopt sheet metal to be set to " L " shape, the zigzag electric discharge sheet 15 of the first polar curve and the second polar curve end is set to have certain angle and symmetrical zigzag electric discharge sheet 15, adopt the cathode line of this structure can realize the four sides electric discharge, point of discharge is many, and discharge current is large, and sawtooth and polar curve are integrated, and can not produce lost line, and strength and stiffness are good, cathode line 5 two ends are connected with negative electrode fixed mount 17 with cathode suspension frame 16 respectively, and cathode suspension frame 16 is positioned at cathode line 5 tops, and negative electrode fixed mount 17 is positioned at cathode line 4 bottoms.
Above positive plate 4, the 1m place is provided with rinse spray system 6, rinse spray system 6 adopts mode antianode plate 4 and the cathode line 5 of nozzle spray to carry out intermittent spray, the multiple lines and multiple rows that dedusting spray system 7 is welded to form for stainless steel tube and the loop shower 13 be interconnected, shower 13 is close to positive plate 4 top surroundings, is evenly distributed with shallow prostomum shape spray apertures 14 on shower 13.
Operation principle of the present invention is: dusty gas enters the first cavity 11 by air inlet 2, carry out high voltage supply by the cathode line 5 to the first cavity 11 and the second cavity 12, cathode line 5 in each passage of the first cavity 11 and the second cavity 12 produces electric discharge and forms the electric field passage, make and under the effect of electric field force on the sunny side pole plate 4 motions charged through the gas of the first cavity 1 electric field passage, finally be deposited on positive plate 4, reach the effect of elementary dedusting.Gas after elementary dedusting evenly enters the second cavity 12 after by gas guide board 18 water conservancy diversion, positive plate 4 tops in the second cavity 12 have dedusting spray system 7 antianode plates 4 and are sprayed, forming water membrane on 4 of positive plates purifies and gathers dust charged dust, the moisture film of continuous-flow is brought the dust of collection into bottom ash bucket 8 simultaneously and is discharged from refluxing opening 9, rinse spray system 7 is located at positive plate 4 1m positions, top, positive plate 4 and cathode line 5 to the first cavity 11 and the second cavity 12 are carried out intermittent rinse spray, finally, gas 3 discharges from gas outlet through udst separation.This process operation is reliable, and floor space is little, can efficiently remove the aerosol that fine particle and SO3 etc. form simultaneously, realizes the low emission requirement.
The foregoing is only better embodiment of the present utility model; protection domain of the present utility model is not limited with above-mentioned embodiment; in every case the equivalence that those of ordinary skills do according to the utility model institute disclosure is modified or is changed, and all should include in the protection domain of putting down in writing in claims.
Claims (7)
1. a wet electrical dust precipitator, comprise that inside is the housing of cavity (1), be provided with air inlet (2) on described housing (1), gas outlet (3) and ash bucket (8), described ash bucket (8) is positioned at housing (1) bottom, be provided with positive plate (4) in housing (1), cathode line (5), rinse spray system (6) and dedusting spray system (7), it is characterized in that: described air inlet (2) is positioned at housing (1) top with gas outlet (3), be provided with air-flow demarcation strip (10) in housing (1), air-flow demarcation strip (10) is divided into adjacent the first cavity (11) and the second cavity (12) by housing (1), described the first cavity (11) is communicated with air inlet (2), described the second cavity (12) is communicated with gas outlet (3), described the first cavity (11) is interconnected and is provided with gas guide board (18) with the bottom of the second cavity (12), to be provided with at least one row's cross section in described the first cavity (11) and the second cavity (12) be square and have the positive plate (4) of passage, described cathode line (5) is suspended to the channel center of positive plate (4), described rinse spray system (6) is positioned at the position at 0.5m-1.5m place, positive plate (4) top, described dedusting spray system (7) is positioned at positive plate (4) top of the second cavity (12).
2. a kind of wet electrical dust precipitator according to claim 1, it is characterized in that: the cross section of described positive plate (4) is square positive plate, and the length of side of its cross section is 0.3m ~ 1.5m, and the length of positive plate (4) is 2m ~ 10m.
3. a kind of wet electrical dust precipitator according to claim 1 and 2, it is characterized in that: the multiple lines and multiple rows that described dedusting spray system (7) is welded to form for stainless steel tube and the loop shower (13) be interconnected, shower (13) is close to positive plate (4) top surrounding, be distributed with shallow prostomum shape spray apertures (14) on described shower (13), the crosswise that described cathode line (5) is light material matter, its end is provided with zigzag electric discharge sheet (15).
4. a kind of wet electrical dust precipitator according to claim 3, it is characterized in that: described gas guide board (18) is between the first cavity and the second cavity.
5. a kind of wet electrical dust precipitator according to claim 4, is characterized in that: be provided with refluxing opening (9) on described ash bucket (8).
6. a kind of wet electrical dust precipitator according to claim 5, it is characterized in that: described cathode line (5) two ends are connected with negative electrode fixed mount (17) with cathode suspension frame (16) respectively, described cathode suspension frame (16) is positioned at cathode line (5) top, and described negative electrode fixed mount (17) is positioned at cathode line (5) bottom.
7. according to the described a kind of wet electrical dust precipitator of above claim, it is characterized in that: described rinse spray system (6) is positioned at the position at 1m place, positive plate (4) top, the cross section length of side of described positive plate (4) is 0.8m, and the length of positive plate (4) is 6m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203587403U CN203329848U (en) | 2013-06-21 | 2013-06-21 | Wet-type electric precipitator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203587403U CN203329848U (en) | 2013-06-21 | 2013-06-21 | Wet-type electric precipitator |
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| Publication Number | Publication Date |
|---|---|
| CN203329848U true CN203329848U (en) | 2013-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013203587403U Expired - Fee Related CN203329848U (en) | 2013-06-21 | 2013-06-21 | Wet-type electric precipitator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103301944A (en) * | 2013-06-21 | 2013-09-18 | 西安西矿环保科技有限公司 | Wet-type electric dust collector |
-
2013
- 2013-06-21 CN CN2013203587403U patent/CN203329848U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103301944A (en) * | 2013-06-21 | 2013-09-18 | 西安西矿环保科技有限公司 | Wet-type electric dust collector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131211 Termination date: 20210621 |