CN105689140A - Efficient electrostatic dust collector - Google Patents
Efficient electrostatic dust collector Download PDFInfo
- Publication number
- CN105689140A CN105689140A CN201610232923.9A CN201610232923A CN105689140A CN 105689140 A CN105689140 A CN 105689140A CN 201610232923 A CN201610232923 A CN 201610232923A CN 105689140 A CN105689140 A CN 105689140A
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- baiye
- cleaner unit
- electric field
- electrode
- unit body
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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
Abstract
The invention discloses an efficient electrostatic dust collector which comprises a dust collector body, an inlet seal, an outlet seal and an ash collection hopper. A plurality of sets of electric field structures are distributed on the dust collector body from the inlet end to the outlet end. Each set of electric field structure comprises a plurality of sets of three-electrode breeze dedusting units distributed side by side. Each set of three-electrode breeze dedusting unit is composed of a cathode suspension rack, a left shutter polar plate, a right shutter polar plate, a left anode plate and a right anode plate, wherein the anode plates, the shutter polar plates and the cathode suspension rack form a two-stage electric field structure; in each set of three-electrode breeze dedusting unit, an air flue inlet is formed between the left shutter polar plate and the right shutter polar plate; the ends, facing the outlet side of the dust collector body, of the left shutter polar plate and the right shutter polar plate are connected with each other; and an air flue outlet is formed between each shutter polar plate and the corresponding anode plate adjacent to the shutter polar plate. The efficient electrostatic dust collector is small in size and low in production input cost, the flow velocity of dust-contained flue gas is greatly decreased, the dust duration time is prolonged, the dust deposition effect is enhanced, and the dust collection efficiency is effectively improved.
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 as: coal-burning power plant, steel mill, paper mill, cement plant etc. discharge flue gas in dust granules be the important polluter causing various extreme haze weather。Along with being on the rise of ambient pressure, the discharge of ash-laden gas there is very strict requirement。
The electrostatic precipitator technology adopted in electrostatic precipitator compares one of dedusting technology widely as current application prospect, is used widely at environmental protection industry (epi)。Electrostatic precipitator includes cleaner unit body, entrance end socket, outlet head and flue-dust retainer, and entrance end socket, outlet head are correspondingly arranged at porch and the exit of cleaner unit body, and the bottom of cleaner unit body arranges described flue-dust retainer。It is provided with some groups of electric field structures between the entrance and outlet of cleaner unit body, described electric field structure includes the 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, form an electric field for electric precipitation between negative electrode suspension and positive plate。But, this static cleaner unit volume is big, thus floor space is big, when building, rolled steel dosage is big, and this increases Productive statistics cost significantly；Especially, in current electrostatic precipitator, each dust removing units only has two kinds of polar organization one-level electric fields for electric precipitation, ash-laden gas enters from the porch of cleaner unit body, electric precipitation is carried out through electric field structure, again from the process that its outlet is discharged, flue gas is high by the flow velocity of electric field, and the deposition effect of charged dust is poor, and the direction of motion of charged dust is in opposite direction with electric field force, thus having had a strong impact on efficiency of dust collection。
Summary of the invention
Present invention aim to solve that existing electrostatic precipitator volume is big, cost is high, the problem that efficiency of dust collection is low, a kind of high-efficiency electrostatic dust remover is provided for this。
The concrete scheme of the present invention is: a kind of high-efficiency electrostatic dust remover, including cleaner unit body, entrance end socket, outlet head and flue-dust retainer, entrance end socket, outlet head are correspondingly arranged at arrival end and the port of export of cleaner unit body, and the bottom of cleaner unit body arranges described flue-dust retainer；It is characterized in that: be placed with some groups of electric field structures from the arrival end of cleaner unit body to the port of export, often group electric field structure includes the some groups of three electrode mild wind dust removing units being arranged side by side, often organize three electrode mild wind dust removing units and there is a negative electrode suspension, left and right BAIYE pole plate it is provided with in the both sides of negative electrode suspension, and be provided with left and right positive plate in the outside of two pieces of BAIYE pole plates, wherein positive plate, BAIYE pole plate, negative electrode suspension electromotive force reduce successively；In often organizing three electrode mild wind dust removing units, between left and right BAIYE pole plate, constitute tunnel inlet, and left and right BAIYE pole plate is connected with each other towards one end of cleaner unit body outlet side, to constitute angle structure；Ducting outlet is constituted between adjacent BAIYE pole plate and positive plate。
Middle left and right positive plate of the present invention is single plank frame or the Y-shaped composition board type structure of cross section；In two group of three adjacent electrode mild wind dust removing units, two pieces of adjacent BAIYE pole plates are being connected with each other towards one end of cleaner unit body entrance side；Towards cleaner unit body entrance side, it is respectively equipped with deep bead near between one end and the left and right inwall of cleaner unit body of two pieces of BAIYE pole plates of the left and right inwall of cleaner unit body。
Often organizing in three electrode mild wind dust removing units in the present invention, the angular range that the angle structure that left and right BAIYE pole plate is constituted is is 10～25 degree。
Middle left and right BAIYE pole plate of the present invention is equidistantly arranged by several fins and is formed, and the cross section of fin is isosceles trapezoidal structure, and the opening of each fin is towards the entrance side of cleaner unit body。
In the present invention in forward and backward two groups of adjacent electric field structures, one_to_one corresponding before and after ducting outlet and tunnel inlet。
The present invention is provided with multilamellar homogenizing plate in entrance end socket, every layer of homogenizing plate offers some through holes；It is equipped with airflow distribution device at each tunnel inlet place often organizing electric field structure。
Heretofore described electric field structure also includes the some groups of two electrode dust removing units being arranged side by side, and two electrode dust removing units are made up of negative electrode suspension and positive plate；This internal is mutually combined arrangement at cleaner unit to be respectively provided with two kinds of electric field structures of two electrode dust removing units and three electrode mild wind dust removing units。
Present configuration is simple, it is ingenious to design, not only volume is little, save taking up room of place, reduce Productive statistics cost, and by electric field unit adopting two-stage electric field perform twice at electric precipitation often organizing, while significantly reducing ash-laden gas flow velocity, extend by the dirt time, it is effectively utilized dedusting area, enhances the deposition effect of dust, be effectively increased efficiency of dust collection。
Accompanying drawing explanation
Fig. 1 is the structural representation (being provided with two groups of electric field structures) of the present invention；
Fig. 2 is the plan structure schematic diagram of the present invention in embodiment 1；
Fig. 3 is the plan structure schematic diagram of the present invention in embodiment 2。
In figure: 1 cleaner unit body, 2 entrance end sockets, 3 outlet head, 4 flue-dust retainers, 5 negative electrode suspensions, 6 BAIYE pole plates, 7 positive plates, 8 tunnel inlet, 9 deep beads, 10 ducting outlets, 11 homogenizing plates, 12 airflow distribution devices, 13 negative electrode suspensions, 14 positive plates。
Detailed description of the invention
Embodiment 1
Referring to Fig. 1, Fig. 2, the present invention includes cleaner unit body 1, entrance end socket 2, outlet head 3 and flue-dust retainer 4, and entrance end socket 2, outlet head 3 are correspondingly arranged at arrival end and the port of export of cleaner unit body 1, and the bottom of cleaner unit body 1 arranges described flue-dust retainer 4；Some groups of electric field structures it are placed with from the arrival end of cleaner unit body 1 to the port of export, often group electric field structure includes the some groups of three electrode mild wind dust removing units being arranged side by side, often organize three electrode mild wind dust removing units and there is a negative electrode suspension 5, left and right BAIYE pole plate 6 it is provided with in the both sides of negative electrode suspension 5, and be provided with left and right positive plate 7 in the outside of two pieces of BAIYE pole plates, wherein positive plate 7, BAIYE pole plate 6, negative electrode suspension 5 electromotive force reduce successively；In often organizing three electrode mild wind dust removing units, tunnel inlet 8 is constituted between left and right BAIYE pole plate 6, and left and right BAIYE pole plate 6 is connected with each other towards one end of cleaner unit body 1 outlet side, to constitute angle structure, so while significantly reducing ash-laden gas flow velocity, extend by the dirt time, be effectively utilized dedusting area, enhance the deposition effect of dust, improve efficiency of dust collection；Constituting ducting outlet 10 between adjacent BAIYE pole plate 6 and positive plate 7, the ash-laden gas flow direction in cleaner unit is as shown in Figure 2。
Referring to Fig. 2, the present embodiment middle left and right positive plate 7 is single plank frame or the Y-shaped composition board type structure of cross section, wherein the positive plate of the composition board type structure that cross section is Y-shaped is when being mutually combined arrangement with described BAIYE pole plate, in the electric field formed, the electric field ratio of each segmentation is more uniform, so substantially increases electric precipitation effect；In two group of three adjacent electrode mild wind dust removing units, two pieces of adjacent BAIYE pole plates are being connected with each other towards one end of cleaner unit body 1 entrance side；At the entrance side towards cleaner unit body 1, it is respectively equipped with deep bead 9 near between one end and the left and right inwall of cleaner unit body of two pieces of BAIYE pole plates of the left and right inwall of cleaner unit body 1。
Often organizing in three electrode mild wind dust removing units in the present embodiment, the angular range that the angle structure that left and right BAIYE pole plate 6 is constituted is is 10～25 degree。
The present embodiment middle left and right BAIYE pole plate 6 is equidistantly arranged by several fins and is formed, and the cross section of fin is isosceles trapezoidal structure, and the opening of each fin is towards the entrance side of cleaner unit body 1。
In the present embodiment in forward and backward two groups of adjacent electric field structures, one_to_one corresponding before and after ducting outlet 10 and tunnel inlet 8。
The present embodiment is provided with multilamellar homogenizing plate 11 in entrance end socket 2, every layer of homogenizing plate 11 offers some through holes；It is equipped with airflow distribution device 12 at each tunnel inlet place often organizing electric field structure。
The operation principle of the present invention is as follows: due to positive plate, BAIYE pole plate, negative electrode suspension electromotive force reduce successively, then cleaner unit is operationally, forms electric field A and positive potential difference ψ between BAIYE pole plate and negative electrode suspensionA, between positive plate and BAIYE pole plate, form electric field B and positive potential difference ψB。
After the flue gas containing dust granules thing (or water droplet) enters from the porch of cleaner unit body, it is introduced into first group of electric field structure and carries out electric precipitation, again in this process, ash-laden gas enters electric field A by airflow distribution device, air in electric field A is breakdown to be ionized, and discharges electronics, and electron attachment makes dust granules thing electronegative on dust granules thing, electronegative dust granules thing is with extremely low speed by BAIYE pole plate, and major part is caught deposition by BAIYE pole plate and gets off。Charged or the uncharged dust granules thing not being captured, through BAIYE pole plate, enters electric field B。The breakdown ionization of air in electric field B, discharges electronics, and electron attachment makes dust granules thing electronegative on dust granules thing, and electronegative dust granules thing moves to positive plate along electric field line under the effect of electric field B, is caught by positive plate and deposits；Ash-laden gas after processing for the first time passes sequentially through after follow-up many groups electric field structure carries out electric precipitation again, finally discharges from the exit of cleaner unit body。
Embodiment 2
Referring to Fig. 3, the present embodiment makes improvements on the basis of embodiment 1, is different in that: electric field structure described in the present embodiment also includes the some groups of two electrode dust removing units being arranged side by side, and two electrode dust removing units are made up of negative electrode suspension 13 and positive plate 14；The two kinds of electric field structures being respectively provided with two electrode dust removing units and three electrode mild wind dust removing units are mutually combined arrangement in cleaner unit body 1, and the ash-laden gas flow direction in cleaner unit is as shown in Figure 3。
Claims (7)
1.OnePlanting high-efficiency electrostatic dust remover, including cleaner unit body, entrance end socket, outlet head and flue-dust retainer, entrance end socket, outlet head are correspondingly arranged at arrival end and the port of export of cleaner unit body, and the bottom of cleaner unit body arranges described flue-dust retainer；It is characterized in that: be placed with some groups of electric field structures from the arrival end of cleaner unit body to the port of export, often group electric field structure includes the some groups of three electrode mild wind dust removing units being arranged side by side, often organize three electrode mild wind dust removing units and there is a negative electrode suspension, left and right BAIYE pole plate it is provided with in the both sides of negative electrode suspension, and be provided with left and right positive plate in the outside of two pieces of BAIYE pole plates, wherein positive plate, BAIYE pole plate, negative electrode suspension electromotive force reduce successively；In often organizing three electrode mild wind dust removing units, between left and right BAIYE pole plate, constitute tunnel inlet, and left and right BAIYE pole plate is connected with each other towards one end of cleaner unit body outlet side, to constitute angle structure；Ducting outlet is constituted between adjacent BAIYE pole plate and positive plate。
2. a kind of high-efficiency electrostatic dust remover according to claim 1, is characterized in that: left and right positive plate is single plank frame or the Y-shaped composition board type structure of cross section；In two group of three adjacent electrode mild wind dust removing units, two pieces of adjacent BAIYE pole plates are being connected with each other towards one end of cleaner unit body entrance side；Towards cleaner unit body entrance side, it is respectively equipped with deep bead near between one end and the left and right inwall of cleaner unit body of two pieces of BAIYE pole plates of the left and right inwall of cleaner unit body。
3. a kind of high-efficiency electrostatic dust remover according to claim 1, is characterized in that: often organize in three electrode mild wind dust removing units, and the angular range that the angle structure that left and right BAIYE pole plate is constituted is is 10～25 degree。
4. a kind of high-efficiency electrostatic dust remover according to claim 1, it is characterized in that: left and right BAIYE pole plate is equidistantly arranged by several fins and formed, the cross section of fin is isosceles trapezoidal structure, and the opening of each fin is towards the entrance side of cleaner unit body。
5. a kind of high-efficiency electrostatic dust remover according to claim 1, is characterized in that: in forward and backward two groups of adjacent electric field structures, one_to_one corresponding before and after ducting outlet and tunnel inlet。
6. according to a kind of high-efficiency electrostatic dust remover one of claim 1 to 5 Suo Shu, it is characterized in that: in entrance end socket, be provided with multilamellar homogenizing plate, every layer of homogenizing plate offers some through holes；It is equipped with airflow distribution device at each tunnel inlet place often organizing electric field structure。
7. a kind of high-efficiency electrostatic dust remover according to claim 1, is characterized in that: described electric field structure also includes the some groups of two electrode dust removing units being arranged side by side, and two electrode dust removing units are made up of negative electrode suspension and positive plate；This internal is mutually combined arrangement at cleaner unit to be respectively provided with two kinds of electric field structures of two electrode dust removing units and three electrode mild wind dust removing units。
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 |
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| 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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| CN105689140A true CN105689140A (en) | 2016-06-22 |
| CN105689140B CN105689140B (en) | 2018-04-10 |
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Cited By (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 |
| WO2020083239A1 (en) * | 2018-10-22 | 2020-04-30 | 上海必修福企业管理有限公司 | Air dust removal system and method |
| WO2020216355A1 (en) * | 2019-04-25 | 2020-10-29 | 上海必修福企业管理有限公司 | Cleanroom system for semiconductor manufacturing and electric field-based dust removal method therefor |
| WO2020238980A1 (en) * | 2019-05-27 | 2020-12-03 | 上海必修福企业管理有限公司 | Electric field device |
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Cited By (8)
| 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 |
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| WO2020083238A1 (en) * | 2018-10-22 | 2020-04-30 | 上海必修福企业管理有限公司 | Air dust removal system and method |
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| CN113950376A (en) * | 2019-05-27 | 2022-01-18 | 上海必修福企业管理有限公司 | Electric field device |
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