CN106902984B - Wet electrical dust precipitator - Google Patents
Wet electrical dust precipitator Download PDFInfo
- Publication number
- CN106902984B CN106902984B CN201710324510.8A CN201710324510A CN106902984B CN 106902984 B CN106902984 B CN 106902984B CN 201710324510 A CN201710324510 A CN 201710324510A CN 106902984 B CN106902984 B CN 106902984B
- Authority
- CN
- China
- Prior art keywords
- anode plate
- moisture film
- spill piece
- wet electrical
- electrical dust
- 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.)
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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
- B03C3/02—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
- B03C3/40—Electrode constructions
- B03C3/45—Collecting-electrodes
- B03C3/53—Liquid, or liquid-film, electrodes
Landscapes
- Electrostatic Separation (AREA)
Abstract
The invention discloses a kind of wet electrical dust precipitators, belong to dust-extraction unit technical field, and to solve existing apparatus fluctuation of service, moisture film is evenly distributed with the problems such as property is poor and designs.Wet electrical dust precipitator of the present invention includes anode plate, and one group of overflow moisture film even distribution device is at least arranged on anode plate, and uniformly distributed moisture film is formed on anode plate thereunder；Overflow moisture film even distribution device includes spill piece and conducting element, and gap is formed between spill piece and conducting element；Moisture film on the anode plate above overflow moisture film even distribution device enters gap after flowing through spill piece, flow on the anode plate below overflow moisture film even distribution device from gap.The moisture film that anode plate middle and lower part can be remarkably reinforced in wet electrical dust precipitator of the present invention is evenly distributed with property, while can guarantee wet electrical dust precipitator stable operation again, effectively improves efficiency of dust collection.
Description
Technical field
The present invention relates to dust-extraction unit technical field more particularly to a kind of wet electrical dust precipitators.
Background technique
Wet electrical dust precipitator is a kind of moisture film, the powder that anode plate surface collection arrives will to be formed after water spray to anode plate surface
Dirt particle trickles into the liquid collecting bucket of lower section discharge with moisture film to reach the device of dust removing effects.The water when anode plate is longer
Film, since anode plate installs processing and surface tension effects, causes to lean on the position of middle and lower part in anode plate during flowing downward
Place cannot form the moisture film of steady and continuous, and then anode plate is caused to be easy to be damaged by corrosion.
In order to solve this problem, the existing wet electrical dust precipitator in part is in the lateral auxiliary spray of the middle lower end of anode plate setting
It manages, the nozzle installed on spray tube sprays anode plate middle and lower part, to enhance the uniformity of anode plate surface moisture film；Also
Classified spraying equipment is arranged in anode plate lower part in part wet electrical dust precipitator, so that anode plate middle and lower part moisture film be made to be uniformly distributed.
The defect of existing apparatus includes：1, structure is complicated for auxiliary spraying device, and installation, maintenance are all more troublesome, and in sun
The effect that the middle and lower part of pole plate forms uniformly distributed moisture film is still bad；2, the classified spraying equipment of anode plate lower part setting easily leads to electric field
Short circuit influences equipment normal operation.
Summary of the invention
It is an object of the invention to propose a kind of wet electrical dust precipitator that can enhance anode plate middle and lower part moisture film and be evenly distributed with property.
For this purpose, the present invention uses following technical scheme：
A kind of wet electrical dust precipitator, including anode plate are at least arranged one group of overflow moisture film on the anode plate and uniformly fill
It sets, forms uniformly distributed moisture film on the anode plate thereunder；The overflow moisture film even distribution device includes spill piece and leads
Part is flowed, forms gap between the spill piece and the conducting element；The sun above the overflow moisture film even distribution device
Moisture film on pole plate enters the gap after flowing through spill piece, flow under the overflow moisture film even distribution device from the gap
On the anode plate of side.
In particular, the upper surface of the spill piece forms water storage portion, from the outer surface of the anode plate to the spill piece
Outer peripheral direction on the water storage portion be recessed arcwall face structure.
Further, the longitudinal cross-section semicircular in shape or half elliptic of the arcwall face structure.
In particular, the outer edge in the spill piece is downwardly extending diversion division.
Further, the upper surface of the spill piece forms water storage portion, plane and the water storage portion side where the diversion division
Edge section direction is in 120 ° to 150 ° angles.
In particular, the spill piece and the conducting element are fixedly connected on the anode plate by connector.
In particular, the wet electrical dust precipitator further includes auxiliary process water pipe and grey water discharge pipe, the auxiliary process water
Pipe one end is connected to technique water pump, the other end is connected to the spill piece, and described ash water discharge pipe one end is connected to the overflow
Part, the other end are connected to ash water collection device.
In particular, the overflow moisture film even distribution device is formed of an electrically insulating material；The electrically insulating material is polytetrafluoroethyl-ne
Alkene, nylon, polyethylene or polypropylene.
In particular, the conducting element upper surface on the conducting element is asperities, groove face or smooth surface.
In particular, the inside edge of the spill piece is tightly attached to the outer surface of the anode plate, the inside of the conducting element
There are moisture film channels between side and the outer surface of the anode plate.
Gap is formed between the spill piece and conducting element of wet electrical dust precipitator of the present invention, is located on overflow moisture film even distribution device
Moisture film on the anode plate of side enters gap after flowing through spill piece, flow to the sun below overflow moisture film even distribution device from gap
On pole plate, the moisture film that anode plate middle and lower part can be remarkably reinforced is evenly distributed with property, while can guarantee wet electrical dust precipitator stable operation again, has
Effect improves efficiency of dust collection.
Detailed description of the invention
Fig. 1 is one of the structural schematic diagram of wet electrical dust precipitator that the preferred embodiment of the present invention provides；
Fig. 2 is the second structural representation for the wet electrical dust precipitator that the preferred embodiment of the present invention provides；
Fig. 3 is one of the structural schematic diagram for the overflow moisture film even distribution device that the preferred embodiment of the present invention provides；
Fig. 4 is the second structural representation for the overflow moisture film even distribution device that the preferred embodiment of the present invention provides.
In figure：
1, top spray device；2, cathode line drop in beam；3, porcelain vase；4, cathode line；5, anode plate；6, overflow moisture film uniformly fills
It sets；7, cathode line sunpender；8, auxiliary process water pipe；9, grey water discharge pipe；10, spill piece；11, conducting element；12, nut；13, spiral shell
Bolt；14, technique water pump；15, gap；101, water storage portion；102, diversion division；111, conducting element upper surface.
Specific embodiment
To further illustrate the technical scheme of the present invention below with reference to the accompanying drawings and specific embodiments.
Preferred embodiment：
This preferred embodiment discloses a kind of wet electrical dust precipitator.As depicted in figs. 1 and 2, which includes top
Portion's spray equipment 1, cathode line drop in beam 2, porcelain vase 3, cathode line 4, anode plate 5, overflow moisture film even distribution device 6 and cathode line sunpender 7.
Wherein, top spray device 1 is located at the top of cathode line 4；Porcelain vase 3 is arranged on porcelain vase seat, and porcelain vase seat is located at the outer of main casing
Side；Cathode line drop in beam 2 is passed through out of main casing and is hung on two porcelain vases 3；Cathode line sunpender 7 is hung on cathode line drop in beam 2；
Cathode line 4 is hung on 7 lower end of cathode line sunpender, and every cathode line 4 is located at 5 middle position of two rows of anode plates；Overflow moisture film
Even distribution device 6 is mounted on the outside of the middle and lower part of anode plate 5.
When anode plate 5 is longer, it is uniformly distributed that one group, two groups, three groups or more of overflow moisture film can be arranged on anode plate 5
Device 6, in the present embodiment for one group.Overflow moisture film even distribution device 6 is conducive to form equal water distribution on anode plate 5 below
Film.
Overflow moisture film even distribution device 6 includes spill piece 10 and conducting element 11, between being formed between spill piece 10 and conducting element 11
Gap 15；Moisture film on the anode plate 5 above overflow moisture film even distribution device 6 flow through enter after spill piece 10 gap 15, from
Gap 15 is flow on the anode plate 5 of 6 lower section of overflow moisture film even distribution device.
In the wet electrical dust precipitator course of work, top spray device 1 is lasting to spray water on anode plate 5, in anode plate 5
Upper formation moisture film, spray from top to down enable 5 surface collection of anode plate to dust particles flowed downwardly together with moisture film；Moisture film
When passing through spill piece 10, part dust particles precipitate wherein, and another part dust particles go out with water flow overflow, into overflowing
Flow the gap 15 between part 10 and conducting element 11；Water flow is with uniform water film shape to positioned at overflow moisture film even distribution device in gap 15
The anode plate 5 of 6 lower sections flows, and is uniformly distributed again on anode plate 5, and continuation flows downward along anode plate 5.
Using can be before moisture film gradually starts to become inadequate uniformly continuous on anode plate 5 after overflow moisture film even distribution device 6
It is accumulated, is redistributed, it is enabled to re-form the moisture film of steady and continuous, without using the lateral auxiliary in existing apparatus
Spray tube or classified spraying equipment, use cost is low, and easy to use, maintenance maintenance is simple, keeps moisture film continually and steadily continuous
Effect is good, does not influence the normal use of wet electrical dust precipitator, can significantly reduce the ash quantity of 5 middle and lower part of anode plate, is conducive to improve
The efficiency of moisture film deashing.
The specific structure of spill piece 10 is unlimited, can play water storage, water flow is enabled to flow to 5 lateral surface of anode plate again.It is excellent
Choosing, as described in fig. 3 and fig. 4, the upper surface of spill piece 10 forms water storage portion 101, from the outer surface of anode plate 5 to spill piece 10
Outer peripheral direction on water storage portion 101 be recessed arcwall face structure.Wherein, the longitudinal cross-section semicircular in shape of arcwall face structure
Or half elliptic.Semicircular in shape or the arcwall face structure of half elliptic slow down speed when water flow is flow to herein, avoid water flow
It is too fast that water droplet is caused to splash；In addition, arcwall face structure can enable more dust particles in water flow precipitate, from water storage portion 101
The water of outflow is more clean, the moisture film of continuous-stable is more readily formed.
In order to which the water flow for guaranteeing in spill piece 10 smoothly can smoothly flow to conducting element 11 and then flow to anode plate 5, overflowing
The outer edge of stream part 10 is downwardly extending diversion division 102.The top of diversion division 102 and the outer edge of water storage portion 101 are smooth
Connection, there are gaps towards conducting element upper surface 111 and between conducting element upper surface 111 to supply water for the bottom end of diversion division 102
Stream passes through.
In order to reach better water guide effect, the angle of 102 place plane of diversion division and 101 edge section direction of water storage portion
β is between 120 ° to 150 °, and preferably 135 °.
Spill piece 10 and conducting element 11 are fixedly connected on anode plate 5 by connector.The connector is by electrically insulating material
It is made, which can be but be not limited to polytetrafluoroethylene (PTFE), nylon, polyethylene, polypropylene etc.；The tool of the connector
Body structure is unlimited, can play the role of being fixedly connected.Preferably, connector is nut 12 and bolt 13, and bolt 13 is successively
Spill piece 10 and conducting element 11 are fixedly connected on anode plate 5, overflow moisture film even distribution device 6 is avoided to send out relative to anode plate 5
Raw movement.
In order to guarantee the stability and smoothness of water flow, conducting element upper surface 111 can be asperities, groove face or smooth surface, excellent
It is selected as smooth surface.The inside edge of spill piece 10 is tightly attached to the outer surface of anode plate 5, avoids water flow directly from gap between the two
Place flows down；There are moisture film channels between the inner side edge of conducting element 11 and the outer surface of anode plate 5, and the width in moisture film channel is according to top
The water of portion's spray equipment 1 determines, once it is determined that after the numerical value remain unchanged.
A part of dust particles can be precipitated in spill piece 10 after operation after a period of time in view of wet electrical dust precipitator, if
Auxiliary process water pipe 8 and grey water discharge pipe 9 are set to remove the dust particles of these precipitatings.8 one end of auxiliary process water pipe is connected to
Technique water pump 14, the other end are connected to spill piece 10, and grey 9 one end of water discharge pipe is connected to spill piece 10, the other end is connected to ash
Water collecting device；Process water control valve can be set in the entrance of auxiliary process water pipe 8, which is preferably solenoid valve.
Process water control valve is opened when needing to remove dust particles, process water enters spill piece 10 by auxiliary process water pipe 8
Flush clean is carried out to it in water storage portion 101, the grey water mixed liquid after cleaning passes through grey water discharge pipe 9 and is discharged into electric field region lower end
Ash water collection device (liquid collecting bucket).
In order to not influence the normal work of the wet electrical dust precipitator, overflow moisture film even distribution device is formed of an electrically insulating material.
Note that the technical principle that above are only presently preferred embodiments of the present invention and used.Those skilled in the art can manage
Solution, the invention is not limited to the specific embodiments described herein, is able to carry out various apparent changes for a person skilled in the art
Change, readjust and substitutes without departing from protection scope of the present invention.Therefore, although by above embodiments to the present invention into
It has gone and has been described in further detail, but the present invention is not limited to the above embodiments only, without departing from the inventive concept,
It can also include more other equivalent embodiments, and the scope of the invention is determined by the scope of the appended claims.
Claims (7)
1. a kind of wet electrical dust precipitator, including anode plate（5）, which is characterized in that in the anode plate（5）On be at least arranged one group
Overflow moisture film even distribution device（6）, the overflow moisture film even distribution device（6）It is mounted on the anode plate（5）Middle and lower part outside,
For the anode plate thereunder（5）It is upper to form uniformly distributed moisture film；The overflow moisture film even distribution device（6）Including spill piece
（10）And conducting element（11）, the spill piece（10）With the conducting element（11）Between form gap（15）；Positioned at the overflow
Moisture film even distribution device（6）The anode plate of top（5）On moisture film flow through spill piece（10）Enter the gap afterwards（15）, from
The gap（15）It flow to and is located at the overflow moisture film even distribution device（6）The anode plate of lower section（5）On；
In the spill piece（10）Outer edge be downwardly extending diversion division（102）；The spill piece（10）It is led with described
Flow part（11）The anode plate is fixedly connected on by connector（5）On；The spill piece（10）Inside edge be tightly attached to institute
State anode plate（5）Outer surface, the conducting element（11）Inner side edge and the anode plate（5）Outer surface between there are moisture films
Channel.
2. wet electrical dust precipitator according to claim 1, which is characterized in that the spill piece（10）Upper surface formed store
Water portion（101）, from the anode plate（5）Outer surface to the spill piece（10）Outer peripheral direction on the water storage portion
（101）For recessed arcwall face structure.
3. wet electrical dust precipitator according to claim 2, which is characterized in that the longitudinal cross-section of the arcwall face structure is in half
Round or half elliptic.
4. wet electrical dust precipitator according to claim 1, which is characterized in that the spill piece（10）Upper surface formed store
Water portion（101）, the diversion division（102）Place plane and the water storage portion（101）Edge section direction is in 120 ° to 150 ° folders
Angle.
5. wet electrical dust precipitator according to any one of claim 1 to 3, which is characterized in that the wet electrical dust precipitator
It further include auxiliary process water pipe（8）With grey water discharge pipe（9）, the auxiliary process water pipe（8）One end is connected to technique water pump
（14）, the other end be connected to the spill piece（10）, the ash water discharge pipe（9）One end is connected to the spill piece（10）, it is another
One end is connected to ash water collection device.
6. wet electrical dust precipitator according to any one of claim 1 to 3, which is characterized in that the overflow moisture film is uniformly distributed
Device（6）It is formed of an electrically insulating material；The electrically insulating material is polytetrafluoroethylene (PTFE), nylon, polyethylene or polypropylene.
7. wet electrical dust precipitator according to any one of claim 1 to 3, which is characterized in that the conducting element（11）On
Conducting element upper surface（111）For asperities, groove face or smooth surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710324510.8A CN106902984B (en) | 2017-05-10 | 2017-05-10 | Wet electrical dust precipitator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710324510.8A CN106902984B (en) | 2017-05-10 | 2017-05-10 | Wet electrical dust precipitator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106902984A CN106902984A (en) | 2017-06-30 |
| CN106902984B true CN106902984B (en) | 2018-11-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710324510.8A Expired - Fee Related CN106902984B (en) | 2017-05-10 | 2017-05-10 | Wet electrical dust precipitator |
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| Country | Link |
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| CN (1) | CN106902984B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109939824A (en) * | 2019-01-31 | 2019-06-28 | 福建龙净环保股份有限公司 | A kind of gas handling system and wet electrostatic preprocessor |
| CN116713114B (en) * | 2023-08-08 | 2023-10-20 | 江苏中顺节能科技有限公司 | Dust collection polar plate of wet electric precipitator with uniformly distributed liquid film and liquid film distribution method |
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| JPS61164660A (en) * | 1985-01-18 | 1986-07-25 | Mitsubishi Heavy Ind Ltd | Wet type electric precipitator |
| JPH0523614A (en) * | 1991-07-17 | 1993-02-02 | Hitachi Plant Eng & Constr Co Ltd | Wet type electric dust precipitator |
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Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202803408U (en) * | 2012-08-20 | 2013-03-20 | 山东大学 | Internal water distribution type flexible dust collecting electrode device |
| CN103286005A (en) * | 2013-06-21 | 2013-09-11 | 浙江佳环电子有限公司 | Wet-type electric precipitator |
| CN103386364A (en) * | 2013-07-19 | 2013-11-13 | 南京通用电气装备有限公司 | Penetration-type wire mesh dust-collection pole and wet-type electric deduster |
| CN204220295U (en) * | 2014-11-06 | 2015-03-25 | 珠海克林格林环保设备制造有限公司 | A kind of wet cottrell anode system drainage plate |
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|---|---|
| CN106902984A (en) | 2017-06-30 |
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