CN105689140B - A kind of high-efficiency electrostatic dust remover - Google Patents
A kind of high-efficiency electrostatic dust remover Download PDFInfo
- Publication number
- CN105689140B CN105689140B CN201610232923.9A CN201610232923A CN105689140B CN 105689140 B CN105689140 B CN 105689140B CN 201610232923 A CN201610232923 A CN 201610232923A CN 105689140 B CN105689140 B CN 105689140B
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- deduster
- blinds
- electric field
- electrode
- removing units
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- 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
- B03C3/38—Particle charging or ionising stations, e.g. using electric discharge, radioactive radiation or flames
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Abstract
The invention discloses a kind of high-efficiency electrostatic dust remover, including body of deduster, entrance end socket, outlet head and flue-dust retainer；Some groups of electric field structures are placed with from the arrival end of body of deduster to the port of export, every group of electric field structure includes some groups of three electrode gentle breeze dust removing units being arranged side by side, every group of three electrode gentle breeze dust removing units are made up of negative electrode suspension and left and right blinds pole plate and left and right positive plate, and wherein positive plate, blinds pole plate and negative electrode suspension form two-stage electric field structure；In every group of three electrode gentle breeze dust removing units, tunnel inlet is formed between left and right blinds pole plate, left and right blinds pole plate is connected with each other towards one end of body of deduster outlet side, and ducting outlet is formed between adjacent blinds pole plate and positive plate；Small volume of the present invention, Productive statistics cost are low, greatly reduce the flow velocity of ash-laden gas, extend the deposition effect for by the dirt time, enhancing dust, effectively increase efficiency of dust collection.
Description
Technical field
The present invention relates to technical field of electrostatic dust collection, especially a kind of high-efficiency electrostatic dust remover.
Background technology
Currently, each large enterprise is such as：Dust granules in the discharge such as coal-burning power plant, steel mill, paper mill, cement plant flue gas
It is the important pollution sources for causing various extreme haze weathers.With being on the rise for environmental pressure, the discharge to ash-laden gas has
Very strict requirement.
Electrostatic precipitator technology employed in electrostatic precipitator as the more extensive dedusting technology of current application prospect it
One, widely used in environmental protection industry (epi).Electrostatic precipitator includes body of deduster, entrance end socket, outlet head and collection ash
Bucket, entrance end socket, outlet head are correspondingly arranged at the porch and exit of body of deduster, and the bottom of body of deduster is set
The flue-dust retainer.Some groups of electric field structures are provided between the entrance of body of deduster and outlet, the electric field structure includes
Some groups of two electrode dust removing units being arranged side by side, two electrode dust removing units are made up of negative electrode suspension and positive plate, negative electrode suspension
An electric field is formed between positive plate and is used for electric precipitation.However, this static deduster volume is big, so as to which floor space is big,
Rolled steel dosage is big when building, and this increases Productive statistics cost significantly；Especially, each dedusting list in current electrostatic precipitator
Member only has two kinds of polar organization one-level electric fields to be used for electric precipitation, and ash-laden gas enters from the porch of body of deduster, by electricity
Field structure carries out electric precipitation, then during its outlet discharge, flue gas is high by the flow velocity of electric field, the deposition effect of powered dust
Fruit is poor, and the direction of motion of powered dust and electric field force is in opposite direction, so as to have a strong impact on efficiency of dust collection.
The content of the invention
Existing electrostatic precipitator volume is big, cost is high present invention aim to solving, and efficiency of dust collection is low to ask
Topic, a kind of high-efficiency electrostatic dust remover is provided for this.
The present invention concrete scheme be：A kind of high-efficiency electrostatic dust remover, including body of deduster, entrance end socket, outlet envelope
Head and flue-dust retainer, entrance end socket, outlet head are correspondingly arranged at the arrival end and the port of export of body of deduster, body of deduster
Bottom sets the flue-dust retainer；It is characterized in that：Some groups of electric field structures are placed with from the arrival end of body of deduster to the port of export,
Every group of electric field structure includes some groups of three electrode gentle breeze dust removing units being arranged side by side, every group of three electrode gentle breeze dust removing units tool
There is a negative electrode suspension, be provided with left and right blinds pole plate in the both sides of negative electrode suspension, and be provided with the outside of two pieces of blinds pole plates
Left and right positive plate, wherein positive plate, blinds pole plate, the potential of negative electrode suspension reduce successively；In every group of three electrode gentle breeze dedusting lists
In member, tunnel inlet is formed between left and right blinds pole plate, and left and right blinds pole plate is towards the one of body of deduster outlet side
End is connected with each other, to form angle structure；Ducting outlet is formed between adjacent blinds pole plate and positive plate.
Middle left and right positive plate of the present invention is the Y-shaped composition board type structure of single plank frame or cross section；In phase
In two group of three adjacent electrode gentle breeze dust removing units, adjacent two pieces of blinds pole plates are in one end phase towards body of deduster entrance side
Connect；Towards body of deduster entrance side, one end of two pieces of blinds pole plates of the left and right inwall of close body of deduster is with removing
Deep bead is respectively equipped between the left and right inwall of dirt device body.
In the present invention in every group of three electrode gentle breeze dust removing units, folder that angle structure that left and right blinds pole plate is formed is in
Angular region is 10~25 degree.
By several fins, equidistantly arrangement forms middle left and right blinds pole plate of the present invention, and the cross section of fin is in isosceles
Trapezium structure, and each entrance side of the opening of fin towards body of deduster.
In the present invention in forward and backward two groups of adjacent electric field structures, ducting outlet and the front and rear one-to-one corresponding of tunnel inlet.
Multilayer homogenizing plate is provided with the present invention in entrance end socket, some through holes are offered on every layer of homogenizing plate；At every group
Airflow distribution device is equipped with each tunnel inlet of electric field structure.
Heretofore described electric field structure also includes some groups of two electrode dust removing units being arranged side by side, two electrode dedustings
Unit is made up of negative electrode suspension and positive plate；There are two kinds of electricity of two electrode dust removing units and three electrode gentle breeze dust removing units respectively
Field structure is mutually combined arrangement in body of deduster.
The present invention is simple in construction, ingenious in design, and not only small volume, has saved the space-consuming in place, reduces production and throws
Enter cost, and by using two-stage electric field to carry out electric precipitation twice in every group of electric field unit, significantly reduce dust-laden
While flue gas flow rate, extend by the dirt time, be effectively utilized dedusting area, enhance the deposition effect of dust, effectively carry
High efficiency of dust collection.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention（It is provided with two groups of electric field structures）；
Fig. 2 is overlooking the structure diagram of the invention in embodiment 1；
Fig. 3 is overlooking the structure diagram of the invention in embodiment 2.
In figure：1-body of deduster, 2-entrance end socket, 3-outlet head, 4-flue-dust retainer, 5-negative electrode suspension, 6-
Blinds pole plate, 7-positive plate, 8-tunnel inlet, 9-deep bead, 10-ducting outlet, 11-homogenizing plate, 12-air flow method
Device, 13-negative electrode suspension, 14-positive plate.
Embodiment
Embodiment 1
Referring to Fig. 1, Fig. 2, the present invention includes body of deduster 1, entrance end socket 2, outlet head 3 and flue-dust retainer 4, entrance envelope
First 2, outlet head 3 is correspondingly arranged at the arrival end and the port of export of body of deduster 1, described in the bottom of body of deduster 1 is set
Flue-dust retainer 4；Some groups of electric field structures are placed with from the arrival end of body of deduster 1 to the port of export, every group of electric field structure includes
Some groups of three electrode gentle breeze dust removing units being arranged side by side, every group of three electrode gentle breeze dust removing units have a negative electrode suspension 5,
The both sides of negative electrode suspension 5 are provided with left and right blinds pole plate 6, and are provided with left and right positive plate 7 in the outside of two pieces of blinds pole plates, wherein
Positive plate 7, blinds pole plate 6, the potential of negative electrode suspension 5 reduce successively；In every group of three electrode gentle breeze dust removing units, left and right hundred
Tunnel inlet 8 is formed between leaf pole plate 6, and one end of left and right blinds pole plate 6 towards the outlet side of body of deduster 1 mutually interconnects
Connect, to form angle structure, so while ash-laden gas flow velocity is significantly reduced, extend by dirt time, effectively profit
With dedusting area, the deposition effect of dust is enhanced, improves efficiency of dust collection；Between adjacent blinds pole plate 6 and positive plate 7
Ducting outlet 10 is formed, flow direction of the ash-laden gas in deduster is as shown in Figure 2.
Referring to Fig. 2, the present embodiment middle left and right positive plate 7 is the Y-shaped compoboard of single plank frame or cross section
The positive plate of the Y-shaped composition board type structure of formula structure, wherein cross section when being mutually combined arrangement with the blinds pole plate,
The electric field ratio of each segmentation is more uniform in the electric field of formation, so substantially increases electric precipitation effect；At adjacent two groups
In three electrode gentle breeze dust removing units, adjacent two pieces of blinds pole plates are connected with each other towards one end of the entrance side of body of deduster 1；
In the entrance side towards body of deduster 1, one end of two pieces of blinds pole plates of 1 left and right inwall of close body of deduster and dedusting
Deep bead 9 is respectively equipped between the left and right inwall of device body.
In the present embodiment in every group of three electrode gentle breeze dust removing units, the angle structure that left and right blinds pole plate 6 is formed is in
Angular range is 10~25 degree.
By several fins, equidistantly arrangement forms the present embodiment middle left and right blinds pole plate 6, the cross section of fin in etc.
Waist trapezium structure, and each entrance side of the opening of fin towards body of deduster 1.
In the present embodiment in forward and backward two groups of adjacent electric field structures, one a pair before and after ducting outlet 10 and tunnel inlet 8
Should.
Multilayer homogenizing plate 11 is provided with entrance end socket 2 in the present embodiment, some through holes are offered on every layer of homogenizing plate 11；
Airflow distribution device 12 is equipped with each tunnel inlet of every group of electric field structure.
The operation principle of the present invention is as follows：Because the potential of positive plate, blinds pole plate, negative electrode suspension reduces successively, then remove
Dirt device at work, forms electric field A and positive potential difference ψ between blinds pole plate and negative electrode suspensionA, between positive plate and blinds pole plate
Form electric field B and positive potential difference ψB。
When containing dust particle（Or water droplet）Flue gas enter from the porch of body of deduster after, be introduced into first group of electricity
Field structure carries out electric precipitation, then during this, ash-laden gas enters electric field A by airflow distribution device, the air quilt in electric field A
Breakdown ionizes, and discharges electronics, and electron attachment make it that dust particle is negatively charged in dust particle, electronegative powder
With extremely low speed by blinds pole plate, major part catches deposition by blinds pole plate and got off dirt particulate matter.The band not being captured
Electric or uncharged dust particle passes through blinds pole plate, into electric field B.The breakdown ionization of air in electric field B, discharges electricity
Son, electron attachment make dust particle negatively charged in dust particle, and electronegative dust particle is in the presence of electric field B
Positive plate is moved to along electric field line, is caught and deposited by positive plate；Ash-laden gas after first processing leads to successively again
Later after continuous multigroup electric field structure carries out electric precipitation, finally discharged from the exit of body of deduster.
Embodiment 2
Referring to Fig. 3, the present embodiment makes improvements on the basis of embodiment 1, and difference is：Described in the present embodiment
Electric field structure also includes some groups of two electrode dust removing units being arranged side by side, and two electrode dust removing units are by negative electrode suspension 13 and sun
Pole plate 14 forms；There are two kinds of electric field structures of two electrode dust removing units and three electrode gentle breeze dust removing units respectively in deduster sheet
Arrangement is mutually combined in body 1, flow direction of the ash-laden gas in deduster is as shown in Figure 3.
Claims (5)
1. a kind of high-efficiency electrostatic dust remover, including body of deduster, entrance end socket, outlet head and flue-dust retainer, entrance end socket, go out
Mouth end socket is correspondingly arranged at the arrival end and the port of export of body of deduster, and the bottom of body of deduster sets the flue-dust retainer；Its
It is characterized in：Some groups of electric field structures are placed with from the arrival end of body of deduster to the port of export, if every group of electric field structure includes
Dry group of three electrode gentle breeze dust removing units being arranged side by side, every group of three electrode gentle breeze dust removing units have a negative electrode suspension, in the moon
The both sides of pole suspension are provided with left and right blinds pole plate, and are provided with left and right positive plate, its Anodic in the outside of two pieces of blinds pole plates
Plate, blinds pole plate, the potential of negative electrode suspension reduce successively；In every group of three electrode gentle breeze dust removing units, left and right blinds pole plate it
Between form tunnel inlet, and left and right blinds pole plate is connected with each other towards one end of body of deduster outlet side, to form angle
Structure；Ducting outlet is formed between adjacent blinds pole plate and positive plate；Left and right positive plate is single plank frame or transversal
The Y-shaped composition board type structure in face；In two group of three adjacent electrode gentle breeze dust removing units, adjacent two pieces of blinds pole plates exist
It is connected with each other towards one end of body of deduster entrance side；Left and right towards body of deduster entrance side, close body of deduster
Deep bead is respectively equipped between one end of two pieces of blinds pole plates of inwall and the left and right inwall of body of deduster；The electric field structure
Also include some groups of two electrode dust removing units being arranged side by side, two electrode dust removing units are made up of negative electrode suspension and positive plate；
There are two kinds of electric field structures of two electrode dust removing units and three electrode gentle breeze dust removing units respectively mutual group in body of deduster
Close arrangement.
2. a kind of high-efficiency electrostatic dust remover according to claim 1, it is characterized in that：Every group of three electrode gentle breeze dust removing units
In, the angular range that the angle structure of left and right blinds pole plate composition is in is 10~25 degree.
3. a kind of high-efficiency electrostatic dust remover according to claim 1, it is characterized in that：Left and right blinds pole plate is by several
Equidistantly arrangement forms fin, and the cross section of fin be in isosceles trapezoidal structure, and each the opening of fin towards deduster sheet
The entrance side of body.
4. a kind of high-efficiency electrostatic dust remover according to claim 1, it is characterized in that：In forward and backward two groups of adjacent electric field knots
In structure, ducting outlet and the front and rear one-to-one corresponding of tunnel inlet.
5. a kind of high-efficiency electrostatic dust remover according to one of Claims 1-4, it is characterized in that：It is provided with entrance end socket
Multilayer homogenizing plate, some through holes are offered on every layer of homogenizing plate；Gas is equipped with each tunnel inlet of every group of electric field structure
Flow point cloth apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610232923.9A CN105689140B (en) | 2016-04-15 | 2016-04-15 | A kind of high-efficiency electrostatic dust remover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610232923.9A CN105689140B (en) | 2016-04-15 | 2016-04-15 | A kind of high-efficiency electrostatic dust remover |
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| Publication Number | Publication Date |
|---|---|
| CN105689140A CN105689140A (en) | 2016-06-22 |
| CN105689140B true CN105689140B (en) | 2018-04-10 |
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ID=56216908
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| CN201610232923.9A Active CN105689140B (en) | 2016-04-15 | 2016-04-15 | A kind of high-efficiency electrostatic dust remover |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106907749A (en) * | 2017-02-23 | 2017-06-30 | 合肥三邦环保科技有限公司 | A kind of fume purifier of fume |
| AU2019364298A1 (en) * | 2018-10-22 | 2021-06-03 | Shanghai Bixiufu Enterprise Management Co., Ltd. | Air dust removal system and method |
| CN113727782A (en) * | 2019-04-25 | 2021-11-30 | 上海必修福企业管理有限公司 | Multistage electric field dust removal method for clean room system for semiconductor manufacturing and semiconductor manufacturing method |
| WO2020238976A1 (en) * | 2019-05-27 | 2020-12-03 | 上海必修福企业管理有限公司 | Electric field device and method for reducing electric field coupling |
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| US5549735A (en) * | 1994-06-09 | 1996-08-27 | Coppom; Rex R. | Electrostatic fibrous filter |
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