CN205667904U - A kind of tubular electrostatic precipitator - Google Patents
A kind of tubular electrostatic precipitator Download PDFInfo
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- CN205667904U CN205667904U CN201620409331.5U CN201620409331U CN205667904U CN 205667904 U CN205667904 U CN 205667904U CN 201620409331 U CN201620409331 U CN 201620409331U CN 205667904 U CN205667904 U CN 205667904U
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- tubular
- electrostatic precipitator
- dust collecting
- collecting electrode
- electrode
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Abstract
A kind of tubular electrostatic precipitator, it includes multiple tubular anode passages and is arranged on the cathode line in described tubular anode passages, it is characterized in that, described cathode line includes corona electrode and auxiliary dust collecting electrode, on the axial direction of described cathode line, the circumcircle radius of any radial section of described auxiliary dust collecting electrode is more than the circumcircle radius of any radial section of described corona electrode.A kind of tubular electrostatic precipitator provided by the utility model, have employed two-region electrostatic precipitation technology, has higher efficiency of dust collection, and make use of inertial dust collection, and it has, and efficiency of dust collection is high, be possible to prevent the feature such as inverse corona, little power consumption.
Description
Technical field
The present invention relates to a kind of electrostatic precipitator, particularly to a kind of tubular electrostatic precipitator.
Background technology
In the tubular electrostatic precipitator for removing the particulate matters such as exhaust gas dust, typically led to by multiple tubular flue gas ash removals
The critical piece compositions such as the most tubular anode passages in road and supporting cathode line, power supply, frame structure.Conventional pipe-type electrostatic dedusting
Device cathode line is usually single structure form, the most charged and gather dust and complete at the same area, the most single district electric cleaner, very
Difficulty allows charged and gathers dust and all reach optimum state, it is difficult to improve efficiency of dust collection further.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of tubular electrostatic precipitator, is formerly mentioned to be reduced or avoided
Problem.
For solving above-mentioned technical problem, the present invention proposes a kind of tubular electrostatic precipitator, and it includes multiple tubular anode
Passage and be arranged on the cathode line in described tubular anode passages, described cathode line includes corona electrode and auxiliary dust collecting electrode,
On the axial direction of described cathode line, the circumcircle radius of any radial section of described auxiliary dust collecting electrode is more than described corona electricity
The circumcircle radius of any radial section of pole.
Preferably, it is provided with conical flow guiding body between described corona electrode and described auxiliary dust collecting electrode；
Preferably, described conical flow guiding external surface is with described auxiliary dust collecting electrode or described corona electrode centrage as axle
The revolving body of line, the surface turning spur of described revolving body is straight line or camber line.
Preferably, described conical flow guiding external surface is provided with and protrudes the guide vane of described conical flow guiding surface or lead
Stream plate or fuisw rib.
Preferably, described conical flow guiding external surface is provided with the guiding gutter of recessed described conical flow guiding surface.
Preferably, described corona electrode is provided with multiple lobe or cutting-edge structure.
Preferably, described auxiliary dust collecting electrode use hollow tubular structure, described auxiliary dust collecting electrode be provided centrally with auxiliary
Anode line.
Preferentially, described conical flow guiding surface can be provided with the hole flowed into for flue gas.
Preferably, described cathode line is provided with multiple described corona electrode being spaced connection successively and described auxiliary dust
Pole.
Preferably, described tubular anode passages is enclosed formed by two panels and above positive plate, tight between described positive plate
Close connection or leave gap.
A kind of tubular electrostatic precipitator provided by the present invention, uses two-region electrostatic precipitation technology, have efficiency of dust collection high, can
To prevent the feature such as inverse corona, little power consumption.Also utilize inertial dust collection simultaneously, efficiency of dust collection can be improved further.For with
In the removing processing the pollutant such as flue gas after desulfurization dust droplet, there is bigger advantage.
Accompanying drawing explanation
The following drawings is only intended to, in schematically illustrating the present invention and explaining, not delimit the scope of the invention.Wherein,
Identical parts have employed and are identically numbered.
Fig. 1 is the structural principle schematic diagram of a kind of tubular electrostatic precipitator of a specific embodiment according to the present invention.
Fig. 2 is the structural principle schematic diagram of a kind of tubular electrostatic precipitator of an improvement embodiment on the basis of Fig. 1；
Fig. 3 is the structural principle schematic diagram of a kind of tubular electrostatic precipitator of another improvement embodiment on the basis of Fig. 1；
Fig. 4 is the structural principle schematic diagram of a kind of tubular electrostatic precipitator of another improvement embodiment on the basis of Fig. 3.
Detailed description of the invention
In order to be more clearly understood from the technical characteristic of the present invention, purpose and effect, now comparison accompanying drawing illustrates this
Bright detailed description of the invention.Wherein, identical parts use identical label.
Fig. 1 is the structural principle schematic diagram of a kind of tubular electrostatic precipitator of a specific embodiment according to the present invention.
Shown in Figure 1, the present invention proposes a kind of tubular electrostatic precipitator, and it includes that (Fig. 1 is structure to multiple tubular anode passages 1
Principle schematic, therefore illustrate only a described tubular anode passages 1) and it is arranged on the moon in described tubular anode passages 1
Polar curve 2, described cathode line 2 includes corona electrode 21 and auxiliary dust collecting electrode 22, on the axial direction of described cathode line 2, described
The circumcircle radius of any radial section of auxiliary dust collecting electrode 22 is more than the circumscribed of any radial section of described corona electrode 21
Radius of circle.
Described tubular anode passages 1 can be formed by anode tube 11, and the cross section of described anode tube 11 can use the circle of routine
Shape, hexagon or tetragon, described auxiliary dust collecting electrode 22 and described corona electrode 21 can be respectively adopted larger diameter and less directly
Footpath pipe or column structure.Described corona electrode 21 can be located at the smoke inlet section of described anode tube 11, described auxiliary dust collecting electrode
The 22 exhanst gas outlet sections that can be located at described anode tube 11.Described anode tube 11 is connected with the positive pole of power supply (not shown), institute
State corona electrode 21 and described auxiliary dust collecting electrode 22 negative pole all with power supply (not shown) to be connected.
The circumcircle radius of any radial section of described auxiliary dust collecting electrode 22 is more than any footpath of described corona electrode 21
To the circumcircle radius in cross section, say, that the outer surface of described auxiliary dust collecting electrode 22 is than the outer surface of described corona electrode 21
Inwall closer to described tubular anode passages 1 (that is to say described circular anode pipe 11).
After flue gas enters described tubular anode passages 1, first pass through by described corona electrode 21 and described tubular anode
The charging area that passage 1 (that is to say described circular anode pipe 11) is constituted, in charging area, carries out corona by described corona electrode 21
Electric discharge, it is possible to carry out the most charged to granules such as the dust in flue gas, simultaneously also can by described tubular anode passages 1 (also
I.e. described circular anode pipe 11) tube wall collect the particulate matter such as part dust.When flue gas enters into by institute from described charging area
After stating the dust collection section of auxiliary dust collecting electrode 22 and described tubular anode passages 1 composition, due to the outer surface of described auxiliary dust collecting electrode 22
Than the outer surface of described corona electrode 21 closer to the inwall of described tubular anode passages 1, therefore the electric field intensity of dust collection section will
Bigger, therefore, migration force and the migration velocity of the particulate matter such as dust also can promote, thus dust collection section can be made fully to have collected
The charged particle thing the most charged in charging area.Meanwhile, described corona electrode 21 can also be realized than described auxiliary dust collecting electrode 22
Corona voltage is low, it is ensured that the described auxiliary dust collecting electrode 22 not bloom when described corona electrode 21 bloom.
The described tubular anode passages 1 of described dust collection section can collect the particulate matters such as electronegative dust, described auxiliary
Dust collecting electrode 22 can collect the particulate matters such as positively charged dust.Described auxiliary dust collecting electrode 22 has compared to conventional corona electrode
Bigger external surface area, therefore can improve the collection efficiency of the particulate matters such as positively charged dust, such that it is able to improve further
Efficiency of dust collection.
Fig. 2 is the structural principle schematic diagram of a kind of tubular electrostatic precipitator of an improvement embodiment on the basis of Fig. 1；Ginseng
Add shown in Fig. 2, between described corona electrode 21 and described auxiliary dust collecting electrode 22, be provided with conical flow guiding body 3.
The overall dimensions of described conical flow guiding body 3 is described corona electrode 21 and the transition of described auxiliary dust collecting electrode 22, i.e.
It is little that described conical flow guiding body 3 outer surface is connected end overall dimensions with described corona electrode 21, is connected with described auxiliary dust collecting electrode 22
End overall dimensions is big, that is to say, described conical flow guiding body 3 outer surface is the oblique conical surface being gradually increased.Described conical flow guiding body
Outer surface can be conical structure or pyramid-shaped structures.Described conical flow guiding external surface can also be with described auxiliary dust
Pole or described corona electrode centrage are the revolving body of axis, and the surface turning spur of described revolving body is straight line or camber line, the most just
It is to say that described conical flow guiding body 3 outer surface can be frustum face, it is also possible to be arcwall face or the arcwall face of evagination of indent, described
Conical flow guiding body 3 outer surface can be continuous surface, so when flue gas from described corona electrode 21 to described auxiliary dust collecting electrode 22
During the flowing of direction, flue gas will flow to described anode tube 11 inwall under the outer surface water conservancy diversion of described conical flow guiding body 3, and such one
Coming, one has been to speed up charged grit arrives dust collector pole；Two is that flue gas arrives described anode tube 11 inwall rear steering, and part grit exists
Will be disengaged from flue gas a fluid stream under effect of inertia to tie up, thus play inertial dust collection effect；Three is that flue gas turns to disturbance can play disturbance
Coalescence effect, promotes tiny grit to increase, and improves efficiency of dust collection.
Described conical flow guiding body 3 outer surface can also is that spheric.That is to say the cross section of described conical flow guiding body 3 outer surface
It is shaped as the arc of evagination.
Described conical flow guiding body 3 and described auxiliary dust collecting electrode 22 junction need rounding off, should the point such as jagged, corner angle
The structure of end electric discharge, to avoid described conical flow guiding body 3 and described auxiliary dust collecting electrode 22 to discharge.
Described conical flow guiding body 3 outer surface can arrange guide vane or the water conservancy diversion protruding described conical flow guiding body 3 surface
Plate or fuisw rib, it is also possible to be provided with the guiding gutter on recessed described conical flow guiding body 3 surface, so can play reinforcement inertia and divide
From the effect with centrifugation.
In the fabrication process, described corona electrode 21 and described auxiliary dust collecting electrode 22 can pass through described conical flow guiding body 3
Connect；Described corona electrode 21 and described auxiliary dust collecting electrode 22 can also be directly connected to, and are then set with by described conical flow guiding body 3
Outside at described corona electrode 21 with described auxiliary dust collecting electrode 22 junction.
Described auxiliary dust collecting electrode 22 and described conical flow guiding body 3 can use integral structure, i.e. manufacturing described auxiliary
During dust collecting electrode 22, the body in described auxiliary dust collecting electrode 22 can use pyramidal structure, say, that auxiliary described in manufacture process
The outer surface helping dust collecting electrode 22 can be partly or entirely the oblique conical surface being gradually increased, and these oblique conical surfaces being gradually increased are i.e.
Described conical flow guiding body 3 can be formed, it can thus be assumed that the body of described auxiliary dust collecting electrode 22 can simultaneously work as assisting dust collecting electrode
22 and the effect of conical flow guiding body 3.
Fig. 3 is the structural principle schematic diagram of a kind of tubular electrostatic precipitator of another improvement embodiment on the basis of Fig. 1,
Shown in participation Fig. 3, described corona electrode 21 is provided with multiple lobe or cutting-edge structure, say, that described corona electrode 21
Outer surface has loftier, sharp-pointed structure than described auxiliary dust collecting electrode 22 outer surface, these described lobe or cutting-edge structure
Described corona electrode 21 can be reduced further with the effect of the inwall generation point discharge of described tubular anode passages 1
Discharge inception voltage or improve the discharge inception voltage of described auxiliary dust collecting electrode 22, so that it is guaranteed that the reliable bloom in described charging area, the most charged,
The reliable not bloom in described dust collection section, fully gather dust, make charged and gather dust and all reach preferable states, to improve the reliability of electric precipitation
And efficiency.Described corona electrode 21 can be made up of the prickle being welded on outer surface of metal pipe.
The radius of curvature of any point of described auxiliary dust collecting electrode 22 outer surface should be greater than described corona electrode 21 outer surface
The minima of radius of curvature of any point, so can ensure that described corona electrode 21 outer surface is than described auxiliary dust collecting electrode 22
Outer surface have loftier, sharp-pointed structure (as described corona electrode 21 is provided with point discharge structure, described auxiliary dust collecting electrode without
Cutting-edge structure), thus the discharge inception voltage discharge inception voltage less than described auxiliary dust collecting electrode 22 of described corona electrode 21 can be ensured.
The cross sectional shape (that is to say the cross sectional shape of described anode tube 11) of described tubular anode passages 1 can be common
Circle, regular hexagon or tetragon.Described cast anode passages 1 can be a global facility of global formation, also can be by two
Sheet and above positive plate enclose and form, and can closely connect between the positive plate forming described tubular anode passages 1 for enclosing
Connect and also can leave gap.
Described corona electrode 21 can be made up of outer surface of metal pipe welding prickle or aciculiform conductor.Described corona electrode 21
Round wire can also be used or sawtooth is linear or prickle is linear or fishbone needlework shape or other conventional corona electrode form.
Described auxiliary dust collecting electrode 22 can use hollow or solid tubular-shaped structures or column construction or pyramidal structure or plate
Type structure.The cross-sectional profile of described auxiliary dust collecting electrode 22 can be circular, it would however also be possible to employ oval or tetragon or six limits
Shape or the shape similar with the tube wall of described tubular anode passages.
Electric conductivity can be used to connect between described corona electrode 21 and described auxiliary dust collecting electrode 22, and use same power supply to supply
Electricity.
May be used without insulating properties between described corona electrode 21 and described auxiliary dust collecting electrode 22 to connect, and use different electrical power
Power supply, so can difference that is charged according to dust and that gather dust need to use different form of power or electric pressure.At this moment, described
Conical flow guiding body 3 can be insulator.
Fig. 4 is the structural principle schematic diagram of a kind of tubular electrostatic precipitator of another improvement embodiment on the basis of Fig. 3.
Shown in Figure 4, described auxiliary dust collecting electrode 22 ' uses hollow tubular structure, and being provided centrally with of described auxiliary dust collecting electrode 22 ' is auxiliary
Supporing yang polar curve 4, described impressed current anode line 4 is connected with the positive pole of power supply (not shown).Described auxiliary dust collecting electrode 22 ' is with described
Corona electrode 21 junction is provided with and flows into the passage within described hollow tubular structure, described auxiliary dust collecting electrode 22 ' for flue gas
Inwall and described impressed current anode line 4 between constitute assisted dust-collecting passage.When described auxiliary dust collecting electrode 22 ' and described corona electrode
When arranging described conical flow guiding body 3 ' between 21, described conical flow guiding body 3 ' surface can be provided with the hole flowed into for flue gas.When
Flue gas is when described corona electrode 21 flows to described auxiliary dust collecting electrode 22 ' direction, and described flue gas can enter described assisted dust-collecting
Passage, thus can further improve efficiency of dust collection.Described impressed current anode line 4 can use same power supply with described anode tube 11,
Different electrical power can also be used.
Described impressed current anode line can use the linear structure without point discharge structure or tubular-shaped structures, it would however also be possible to employ band
There is the conventional cathodes line structure (knot of the cathode assembly provided in such as Chinese patent CN203044168U of point discharge structure
Structure).
In a preferred embodiment, described cathode line 2 can be provided with multiple described corona electrode being spaced connection successively
21 and described auxiliary dust collecting electrode 22, say, that can be according to supplementary set described in described corona electrode 21----in described cathode line 2
Assist the distribution form of dust collecting electrode 22 that multiple described corona electrode 21 is set described in corona electrode 21----described in the 22----of dirt pole
With described auxiliary dust collecting electrode 22, so can make described tubular anode passages 1 is provided with multiple described charging area and described gather dust
District, thus efficiency of dust collection can be promoted further.Between described auxiliary dust collecting electrode 22 and described corona electrode 21 can all or
Part arranges described conical flow guiding body 3.
Other parts of a kind of tubular electrostatic precipitator provided by the present invention are similar with conventional electric cleaner, then this is no longer
Repeat.
A kind of tubular electrostatic precipitator provided by the present invention, both make use of electric field force dedusting, had also utilized inertial dust collection,
It has, and efficiency of dust collection is high, be possible to prevent the feature such as inverse corona, little power consumption.For being used for processing flue gas after desulfurization dust droplet etc.
The removing of pollutant has bigger advantage.
Although it will be appreciated by those skilled in the art that the present invention is to be described according to the mode of multiple embodiments, but
It is that the most each embodiment only comprises an independent technical scheme.For the sake of in description, so narration is only used to understand,
Description should be understood by those skilled in the art as an entirety, and by technical scheme involved in each embodiment
Regard as and can understand protection scope of the present invention in the way of being mutually combined into different embodiment.
The foregoing is only the schematic detailed description of the invention of the present invention, be not limited to the scope of the present invention.Any
Those skilled in the art, the equivalent variations made, revises and combines on the premise of without departing from the design of the present invention and principle,
The scope of protection of the invention all should be belonged to.
Claims (10)
1. a tubular electrostatic precipitator, it includes multiple tubular anode passages and is arranged on the moon in described tubular anode passages
Polar curve, it is characterised in that described cathode line includes corona electrode and auxiliary dust collecting electrode, on the axial direction of described cathode line,
The circumcircle radius of any radial section of described auxiliary dust collecting electrode is circumscribed more than any radial section of described corona electrode
Radius of circle.
Tubular electrostatic precipitator the most according to claim 1, it is characterised in that described corona electrode and described auxiliary dust
Conical flow guiding body it is provided with between pole.
Tubular electrostatic precipitator the most according to claim 2, it is characterised in that described conical flow guiding external surface is for institute
State auxiliary dust collecting electrode or described corona electrode centrage be the revolving body of axis, the surface turning spur of described revolving body be straight line or
Camber line.
Tubular electrostatic precipitator the most according to claim 2, it is characterised in that described conical flow guiding external surface is provided with
Protrude the guide vane of described conical flow guiding surface or deflector or fuisw rib.
Tubular electrostatic precipitator the most according to claim 2, it is characterised in that described conical flow guiding external surface is provided with
The guiding gutter of recessed described conical flow guiding surface.
Tubular electrostatic precipitator the most according to claim 1, it is characterised in that described corona electrode is provided with multiple projection
Portion or cutting-edge structure.
Tubular electrostatic precipitator the most according to claim 1, it is characterised in that described auxiliary dust collecting electrode uses hollow tubular
Structure, described auxiliary dust collecting electrode be provided centrally with impressed current anode line.
8. according to the tubular electrostatic precipitator one of claim 2-5 Suo Shu, it is characterised in that described conical flow guiding surface can
It is provided with the hole flowed into for flue gas.
9. according to the tubular electrostatic precipitator one of claim 1-7 Suo Shu, it is characterised in that described cathode line is provided with multiple
It is spaced the described corona electrode of connection and described auxiliary dust collecting electrode successively.
Tubular electrostatic precipitator the most according to claim 1, it is characterised in that described tubular anode passages by two panels and
Above positive plate encloses and forms, compact siro spinning technology or leave gap between described positive plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620409331.5U CN205667904U (en) | 2016-05-09 | 2016-05-09 | A kind of tubular electrostatic precipitator |
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| CN201620409331.5U CN205667904U (en) | 2016-05-09 | 2016-05-09 | A kind of tubular electrostatic precipitator |
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| CN205667904U true CN205667904U (en) | 2016-11-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI743577B (en) * | 2018-10-22 | 2021-10-21 | 大陸商上海必修福企業管理有限公司 | System for removing dust |
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2016
- 2016-05-09 CN CN201620409331.5U patent/CN205667904U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI743577B (en) * | 2018-10-22 | 2021-10-21 | 大陸商上海必修福企業管理有限公司 | System for removing dust |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200507 Address after: Room 307, 3 / F, building 3, No.8 yard, Haiying Road, Science City, Fengtai District, Beijing 100070 Patentee after: BEIJING XING SHENG TECHNOLOGY Co.,Ltd. Address before: 100097 Beijing city Haidian District landianchang road fine snow Park No. 7 Building 1 unit 10A Patentee before: Li Aiyun |
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| TR01 | Transfer of patent right |