CN208161833U - One kind being based on bionic cathode cable architecture, discharge system - Google Patents
One kind being based on bionic cathode cable architecture, discharge system Download PDFInfo
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- CN208161833U CN208161833U CN201821006569.9U CN201821006569U CN208161833U CN 208161833 U CN208161833 U CN 208161833U CN 201821006569 U CN201821006569 U CN 201821006569U CN 208161833 U CN208161833 U CN 208161833U
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 19
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Abstract
The utility model discloses one kind to be based on bionic cathode cable architecture, discharge system, including supporting element, several discharge electrodes are disposed in the supporting element circumferential direction, the discharge electrode includes the pedestal connecting with supporting element, the discharge tip that length does not wait staggeredly is disposed in the pedestal circumferential direction, the middle of the base is vertically installed with center discharge tip；The length of center discharge tip is greater than the discharge tip arranged in pedestal circumferential direction, the center discharge tip is for reducing the cathode cable architecture at a distance from anode, electric field driven power after the electric field strength of formation makes flue dust charged is strong, the discharge tip arranged in the pedestal circumferential direction enables flue dust in space preferably charged for increasing charge in the uniformity of spatial distribution.
Description
Technical field
The utility model relates to electric precipitator technical field, more particularly to one kind based on bionic cathode cable architecture,
Discharge system.
Background technique
Wet static dedusting scheme is that the wet-method desulfurized fumes flue dust such as limestone-gypsum method, ammonia process realizes minimum discharge
Major technique.The velocity of approach for improving flue dust in deduster is the key method for reducing deduster equipment height, reducing cost.
In general, raising flue dust velocity of approach focuses on increase driving force of the flue dust to anode movement, method includes：(1) it reduces
Cathode line discharge inception voltage, cathode line ionizes out more charges under identical voltage, is used to attach on flue dust；(2) increase yin, yang
The driving force of voltage between pole, its transverse movement under the premise of flue dust is charged identical increases；(3) cathode line electric discharge electricity is improved
Lotus spatial distribution uniformity so that flue dust can be charged more in transverse movement, to promote flue dust movement
Driving force.
Currently, the cathode line pattern that electric precipitator uses includes RS prickle wire, fish-bone line, jaggies etc., a large amount of document
Research shows that the discharge inception voltage and discharge capability of these cathode lines are different；The optimizing research of cathode line be mainly based upon with
Upper natural formation, partially (such as：Tip size, homopolarity spacing, prickle geometric dimension etc.) optimization.These optimum results
The discharge inception voltage of cathode line is only reduced to a certain extent, improves discharge capability, does not solve fundamentally or optimization charge exists
The problem of distributing homogeneity in dedusting space, thus cost efficiency is unobvious.
Utility model content
In order to improve charge after point discharge, in the uniformity of spatial distribution, the utility model provides a kind of based on bionical
Cathode cable architecture, the needle-shaped Leaf positional distribution of many plants and petal distribution pattern in the utility model unified with nature circle, so that
The charge that cathode cable architecture ionizes out is more uniform in spatial distribution, reaches the mesh that ESP Efficiency further increases
's.
One kind being based on bionic cathode cable architecture, including supporting element, is disposed with several electric discharges in the supporting element circumferential direction
Pole, the discharge electrode include the pedestal connecting with supporting element, and the discharge tip that length does not wait staggeredly is disposed in the pedestal circumferential direction
End, the middle of the base are vertically installed with center discharge tip；
The length of the center discharge tip is greater than the discharge tip arranged in pedestal circumferential direction, and the center discharge tip is used
In reducing the cathode cable architecture at a distance from anode, the electric field driven power after the electric field strength of formation makes flue dust charged is strong,
The discharge tip arranged in the pedestal circumferential direction for increasing charge in the uniformity of spatial distribution, enable in space flue dust more
Good is charged.
Further preferred technical solution, length is staggeredly disposed in the pedestal circumferential direction, and equal discharge tip is not divided into
Two layers lower, wherein the length of one layer of discharge tip is less than the length of other one layer of discharge tip, spatially, that axially arranges is put
Interlaced arrangement between electric tip.
Further preferred technical solution, spatially, interlaced arrangement between the discharge tip axially arranged is length phase
Deng neighbouring discharge tip between be provided with one or two be less than the neighbouring discharge tip length discharge tip.
Further preferred technical solution, length is staggeredly disposed in the pedestal circumferential direction, and equal discharge tip is not divided into
Two layers lower, the length of the discharge tip on upper layer is less than the length of lower layer's discharge tip or the length of the discharge tip on upper layer is greater than
The length of lower layer's discharge tip.
Further preferred technical solution is staggeredly disposed with length in the circumferential direction not in equal discharge tip, wherein compared with
Long discharge tip is identical as the tip direction of shorter discharge tip, vertical with the direction of center discharge tip.
Further preferred technical solution is staggeredly disposed with length in the circumferential direction not in equal discharge tip, wherein compared with
Not identical, the tip of longer discharge tip and center discharge tip are directed toward in the tip of long discharge tip and shorter discharge tip
The direction at end is vertical, and shorter discharge tip is directed toward identical as the direction of center discharge tip.
Further preferred technical solution, the supporting element include but is not limited to metal circular tube, metal side tube or metal clip
Plate.
Further preferred technical solution, the discharge electrode is structure as a whole or separate structure.
Further preferred technical solution, the discharge electrode and supporting element use but are not limited to weld or heat.
Further preferred technical solution, the discharge electrode in the longitudinal direction spacing in the range of setting.
Further preferred technical solution, circumferentially compared with long discharge top of the tip with circumferential shorter discharge tip vertex same
In plane or in different planes and not in the same plane with center discharge tip vertex.
Disclosed herein as well is one kind to be based on bionic discharge system, and the discharge system includes above-mentioned a kind of based on imitative
The anode of the raw cathode cable architecture learned, the cathode cable architecture and deduster is used cooperatively.
Disclosed herein as well is a kind of production methods based on bionic cathode cable architecture, including：
Supporting element is selected, described is dual phase steel hollow pipe；
Discharge electrode is made, discharge electrode is arranged symmetrically at discharge electrode same layer position, discharge electrode at upper and lower level position
In interlaced arrangement；
Discharge electrode is arranged circumferentially on supporting element；
Electric field and electric-field intensity distribution in space are calculated using potential equation, calculates space using charge continuity equation
In charge density distribution；
According to the length and direction of discharge tip in above-mentioned calculating structure optimization discharge electrode.
Compared with prior art, the utility model has the beneficial effects that：
1) discharge electrode that the utility model uses is that bionics Theoretical Design is combined on the basis of theoretical calculation, is passed through
The pattern and size at reasonable Arrangement different type tip, charge is in entire space after largely realizing discharge electrode electric discharge
Be uniformly distributed.
2) the utility model is by reasonable disposition tip pattern and size in space so that charge realize in space compared with
Good quick diffusion is simultaneously uniformly full of dedusting space, substantially increases the charge capacity of flue dust.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present application, and the application's shows
Meaning property embodiment and its explanation are not constituted an undue limitation on the present application for explaining the application.
Fig. 1 is based on bionic cathode line apparatus；
Fig. 2 (a) is that deduster anode first method is directed toward at a circumferential short tip 23 of putting；
Fig. 2 (b) is that deduster anode second method is directed toward at a circumferential short tip 23 of putting；
The efficiency of dust collection comparison diagram of Fig. 3 the utility model and metal RS tubulose barb cathode ray under different-grain diameter flue dust；
Current density on Fig. 4 (a)-Fig. 4 (b) the utility model and the corresponding dust collecting pole plate of metal RS tubulose barb cathode ray
Profiles versus's figure；
Two-dimensional section electric-field intensity distribution figure after the electric discharge of tetra- tooth prickle wire of Fig. 5 (a) RS；
Three-Dimensional Electric Field intensity distribution after the electric discharge of Fig. 5 (b) the utility model cathode line；
In figure, 1, supporting element, 2, discharge electrode, 21, center discharge tip, 22, circumferential long discharge tip, 23 circumferential directions are short to be put a little
Tip, 24, discharge tip pedestal.
Specific embodiment
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
The prior art, such as herring-bone form can only be that (such as 4 tooth prickles only have 4 for single tip or several point discharges
Point discharge), the charge homogeneity of charge movement to anode surface is poor after electric discharge and meanwhile space field strength distributing homogeneity not yet
It is good, cause efficiency of dust collection lower, in short, cathode cable architecture in the prior art can not be from basic being further added by discharge tip
It is upper solve the problems, such as electric discharge after charge movement to anode surface charge homogeneity.
In a kind of typical examples of implementation of the utility model, one kind is disclosed based on bionic cathode cable architecture, such as
Shown in Fig. 1, including supporting element 1, discharge electrode 2；Wherein, as shown in Fig. 2 (a)-Fig. 2 (b), discharge electrode 2 includes center discharge tip
21, circumferential long discharge tip 22, circumferential short put a tip 23 and discharge tip pedestal 24.It can one between the above-mentioned component of discharge electrode
Body formed or seperated molding.When integrated molding, using expanded view is cut by laser out, punch forming is then rolled, this is practical new
The cathode line of type cuspidated prickle of welded bands on supporting element pipe.Pedestal meaning is mainly that this bionical prickle and pipe weld
It is welded well when connecing.
Specifically exist, in implementation process, supporting element 1 uses but is not limited to metal circular tube, metal side tube, metal splint.
Discharge electrode 2 uses but is not limited to conductor material, the material of conductive film is covered on surface, including but not limited to metal, pass through mold
Molding conductive material.Discharge electrode 2 and supporting element 1 use but are not limited to welding, hot melt.
It can be arranged symmetrically, for example, be symmetrically to arrangement between discharge electrode 2, it can also be circumferentially in 120 ° of arrangements.
Specific preferred size and quantity are as follows：2 longitudinal pitch of discharge electrode is less than or equal to 120mm.Spacing it is too big (such as
Greater than 120mm), the efficiency of dust collection of entire cathode line will decline, and can cathode line be put by the way that this spacing is rationally arranged
Electric precipitation effect is best, and the uniformity discharged under the spacing is more preferable.Circumferential 22 quantity of long discharge tip is more than or equal to 3.Week
It is more than or equal to 3 to short 23 quantity of discharge tip.The factor that specific size and number are considered is efficiency of dust collection, according to reality
Situation is adjustable.
Discharge tip 21 length in center is less than or equal to 100mm.Circumferential 22 length of long discharge tip is less than center discharge tip
21 length.Circumferential short 23 length of discharge tip is less than or equal to 22 length of circumferential long discharge tip.Circumferential short discharge tip 23 uses
But it is not limited to bending and is directed toward electric dust-collector anode.Circumferential 22 vertex position height of long discharge tip can be higher than, be equal to, lower than week
To short 23 vertex position of discharge tip.Circumferential 22 vertex position of long discharge tip and circumferential short 23 vertex position of discharge tip are answered low
In 21 vertex position of center discharge tip.
In the typical examples of implementation of the another kind of the utility model, one kind of the utility model is based on bionic cathode line
Structure includes supporting element 1, discharge electrode 2.1 material of supporting element is 2205 dual phase steel hollow pipes.2 material of discharge electrode is 2205 two-phases
Steel.2 spacing of discharge electrode is 80mm；Discharge electrode 2 is arranged symmetrically at same layer position, and discharge electrode 2 is in staggeredly at upper and lower level position
Arrangement.As shown in Fig. 2 (a), circumferential long discharge tip 22 and circumferential short 23 quantity of discharge tip are 8；Center discharge tip
21 length are 44mm；Circumferential 22 length 25mm of long discharge tip；Circumferential short 23 length 13mm of discharge tip；Circumferential short discharge tip
23 are directed toward electric dust-collector anode in bending, as shown in Fig. 2 (a)；Circumferential 22 vertex position height of long discharge tip is lower than circumferential
Short 23 vertex position of discharge tip.
It is found through experiments that, discharge effect is more preferable when circumferential short discharge tip is directed toward anode, and efficiency of dust collection is higher.As long as all
It is directed toward anode to short discharge tip, is directed toward and is directed toward unanimously with center discharge tip.
In the typical examples of implementation of another of the utility model, the processing and dedusting effect of bionical discharge electrode are comprehensively considered
Rate, a kind of short discharge tip 23 of circumferential direction based on bionic cathode cable architecture are obliquely directed toward electric dust-collector anode, remaining
Setting is consistent with above-described embodiment, as shown in Fig. 2 (b).
Simulation result shows：Inclined position criterion is mainly so that circumferential short discharge tip 23 is in center in spatial hole
At the center at discharge tip 21 and circumferential long discharge tip 22.
Disclosed herein as well is one kind to be based on bionic discharge system, and discharge system includes above-mentioned a kind of based on bionics
Cathode cable architecture, the anode of the cathode cable architecture and deduster is used cooperatively.
Disclosed herein as well is a kind of production methods based on bionic cathode cable architecture, including：
Supporting element is selected, described is anti-corrosion type stainless steel hollow pipe；
Discharge electrode is made, discharge electrode is arranged symmetrically at discharge electrode same layer position, discharge electrode at upper and lower level position
In interlaced arrangement；
Discharge electrode is arranged circumferentially on supporting element；
Electric field and electric-field intensity distribution in space are calculated using potential equation, calculates space using charge continuity equation
In charge density distribution；
According to the length and direction of discharge tip in above-mentioned calculating structure optimization discharge electrode.
In order to preferably prove that the application has significant progress in effect, corresponding simulation comparison test has been carried out：
Fig. 3 gives what flue gas environment rosy clouds were tested, and interpolar is identical away from, conditions such as supply voltage, flue gas flow rate and deduster position
Under conditions of, the efficiency of dust collection comparing result of the utility model and metal RS tubulose barb cathode ray in Cut size flue dust.This
Utility model has remarkable result to the promotion of flue dust efficiency of dust collection.
Fig. 4 (a)-Fig. 4 (b) gives what test under air environment obtained, the utility model and metal RS tubulose prickle yin
Current density distribution situation on the corresponding dust collecting pole plate surface of polar curve, the current density results brightness that the utility model is shown is more
By force, region is wider, shows that the utility model makes current density be more evenly distributed in anode surface.
One kind being based on the tetra- tooth barb cathode ray electric field strength numerical simulation of bionic cathode cable architecture and RS, the application institute
The cathode ray bur discharging value simulation mathematical model of use：
In above formulaFor space potential, EiFor x in spaceiDirection electric field strength, ρionFor electric field Space-charge density.Ei
Brilliant white region is bigger in bigger, Fig. 5 (a)-Fig. 5 (b), and the electric field strength for showing that the bionical cathode line is formed in space is got over
By force, discharge capability is stronger, and the driving force that driving electrification micronic dust moves to anode is bigger, and dust removing effects are better.By adjusting center
Discharge tip 21, circumferential long discharge tip 22, the circumferential short frame mode for putting a tip 23 can get EiIntensity and distribution are best
Discharge electrode pattern.
Two-dimensional section electric-field intensity distribution after the electric discharge of the tetra- tooth prickle wire of RS as shown in Fig. 5 (a), brightness is bigger, region more
Extensively show that cathode line discharge effect is better, Three-Dimensional Electric Field intensity after the electric discharge of the utility model cathode line as shown in Fig. 5 (b)
Distribution.
Most it is located near tip by force from Fig. 5 (a) as can be seen that being arranged symmetrically tetra- tooth prickle electric field strength of RS in 180 °
(white brightness is big), it is hemispherical radiated into space, electric field strength oval distribution in space；It can be with from Fig. 5 (b)
Find out, single layer is arranged symmetrically in 180 °, upper and lower level is in electric field of the biomimetic type cathode line tip of interlaced arrangement in entire space
Intensity compared with strong (white brightness is big), can the stronger electric discharge in space, the distribution of charge in space is more uniform, has
It is preferably charged conducive to the soot dust granule in space.
The source of the technical concept of the utility model is：Due to (being in radiation after many plant growths using based on bionics
Shape, such as petal or pteridophyte) point discharge after, be distributed more uniform (such as Fig. 4 (a)-Fig. 4 (b) shown in), dedusting effect
Rate increases obvious (as shown in Figure 3), can be effectively reduced the length of cathode line.
When the utility model at work, after cathode line point discharge, charge is spread to space.It can simple analogy understanding
It can be sprayed for each tip, tip quantity and spatial distribution are reasonable, and the atomizing effect on entire space is best.This patent base
Bionics principle in the above thought and biology by reasonably configuring discharge tip pattern in space, and passes through reason
By the position of simulation calculation distribution tip in space, the uniformity that discharge charge is distributed in space ensure that.
(1) the classical mathematics model in point discharge theory that the utility model uses, including potential equation and charge connect
Continuous property equation；Wherein potential equation is used to calculate the electric field and electric-field intensity distribution in space, and charge continuity equation calculates empty
Between in charge density distribution；
(2) a large amount of numerical result shows that the longer center discharge tip of the utility model mainly reduces and sun
The distance of pole forms biggish electric field strength, and the electric field driven power after flue dust is charged is strong；Circumferential tip mainly increases charge and exists
The uniformity of spatial distribution enables flue dust in space preferably charged.In addition, the calculated results show that week sets up two
Layer discharge tip, and one layer long, one layer short, one layer of height, one layer short, this kind of pattern can obtain higher electric field strength and more equal
Even anode surface current density distribution.
(3) the utility model is based on theoretical study results and has manufactured and designed a kind of biomimetic type cathode line (such as Fig. 5 (b) institute
Show), the electric field strength and charge of the utility model are more equal compared with the distribution of tetra- tooth prickle wire of RS (shown in such as Fig. 5 (b)) in space
It is even.
(4) it is directed to tetra- tooth prickle wire of biomimetic type cathode line and RS, has carried out the test of anode surface uniformity of current density,
As shown in Fig. 4 (a)-Fig. 4 (b).The corresponding anode surface in the tetra- tooth prickle wire tip RS has stronger current density (such as Fig. 4 (b)
Scheme shown in (four tooth tubulose prickles), the region of trial of strength is presented in the corresponding region in tip, and distributing homogeneity is bad；It is practical using this
Brilliant white (as shown in Fig. 4 (a) figure) is all presented in Novel design scheme in biggish region), uniformity is preferable；This shows reality
Border test result and notional result degree of agreement are preferable.
(5) it is directed to tetra- tooth prickle wire of biomimetic type cathode line and RS, has carried out the efficiency of dust collection test under true cigarette compression ring border,
As shown in figure 3, the utility model is attained by very high efficiency of dust collection to the flue dust of different-grain diameter compared with tetra- tooth prickle wire of RS.From
And the utility model can reduce the height of dedusting equipment, while reduce cost.
(6) quantity at the circumferential discharge tip number of plies and single layer tip can be increased or decreased according to efficiency of dust collection.
The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for the skill of this field
For art personnel, various changes and changes are possible in this application.Within the spirit and principles of this application, made any to repair
Change, equivalent replacement, improvement etc., should be included within the scope of protection of this application.
Claims (9)
1. one kind is based on bionic cathode cable architecture, characterized in that including supporting element, if being disposed in the supporting element circumferential direction
Dry discharge electrode, the discharge electrode include the pedestal connecting with supporting element, are staggeredly disposed with what length did not waited in the pedestal circumferential direction
Discharge tip, the middle of the base are vertically installed with center discharge tip；
The length of the center discharge tip is greater than the discharge tip arranged in pedestal circumferential direction, and the center discharge tip is for subtracting
For the small cathode cable architecture at a distance from anode, the electric field driven power after the electric field strength of formation makes flue dust charged is strong, described
The discharge tip arranged in pedestal circumferential direction enables flue dust in space better for increasing charge in the uniformity of spatial distribution
It is charged.
2. as described in claim 1 a kind of based on bionic cathode cable architecture, characterized in that in the pedestal circumferential direction staggeredly
Being disposed with length, equal discharge tip is not divided into upper layer and lower layer, wherein the length of one layer of discharge tip is less than other one layer of discharge tip
The length at end, spatially, interlaced arrangement between the discharge tip axially arranged.
3. as claimed in claim 2 a kind of based on bionic cathode cable architecture, characterized in that spatially, axial to arrange
Discharge tip between interlaced arrangement, one or two is provided between the neighbouring discharge tip of equal length less than the phase
The discharge tip of adjacent discharge tip length.
4. as claimed in claim 2 a kind of based on bionic cathode cable architecture, characterized in that in the pedestal circumferential direction staggeredly
Being disposed with length, equal discharge tip is not divided into upper layer and lower layer, and the length of the discharge tip on upper layer is less than the length of lower layer's discharge tip
The length of the discharge tip on degree or upper layer is greater than the length of lower layer's discharge tip.
5. as claimed in claim 2 a kind of based on bionic cathode cable architecture, characterized in that interlaced arrangement in the circumferential direction
In the discharge tip for having length not equal, wherein longer discharge tip is identical as the tip direction of shorter discharge tip, with
The direction of center discharge tip is vertical；Or
It is staggeredly disposed in the discharge tip that length does not wait in the circumferential direction, wherein longer discharge tip and shorter discharge tip
It is directed toward not identical, the tip of longer discharge tip discharge tip vertical with the direction of center discharge tip, shorter in the tip at end
It is directed toward identical as the direction of center discharge tip in end.
6. as described in claim 1 a kind of be based on bionic cathode cable architecture, characterized in that the supporting element includes but not
It is limited to metal circular tube, metal side tube or metal splint.
7. as described in claim 1 a kind of based on bionic cathode cable architecture, characterized in that the discharge electrode is integrated knot
Structure or separate structure；
The discharge electrode and supporting element use but are not limited to weld or heat.
8. as claimed in claim 5 a kind of based on bionic cathode cable architecture, characterized in that circumferential to be pushed up compared with long discharge tip
Point with circumferential shorter discharge tip vertex in the same plane or different planes is interior and do not exist with center discharge tip vertex
In same plane.
9. one kind is based on bionic discharge system, the discharge system includes any described one kind of the claims 1-8
Based on bionic cathode cable architecture, the anode of the cathode cable architecture and deduster is used cooperatively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821006569.9U CN208161833U (en) | 2018-06-27 | 2018-06-27 | One kind being based on bionic cathode cable architecture, discharge system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821006569.9U CN208161833U (en) | 2018-06-27 | 2018-06-27 | One kind being based on bionic cathode cable architecture, discharge system |
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| Publication Number | Publication Date |
|---|---|
| CN208161833U true CN208161833U (en) | 2018-11-30 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108787173A (en) * | 2018-06-27 | 2018-11-13 | 山东神华山大能源环境有限公司 | One kind being based on bionic cathode cable architecture, discharge system and method |
| CN110918257A (en) * | 2019-12-12 | 2020-03-27 | 山东神华山大能源环境有限公司 | Novel discharge cathode structure and wet-type electric dust collector |
-
2018
- 2018-06-27 CN CN201821006569.9U patent/CN208161833U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108787173A (en) * | 2018-06-27 | 2018-11-13 | 山东神华山大能源环境有限公司 | One kind being based on bionic cathode cable architecture, discharge system and method |
| CN108787173B (en) * | 2018-06-27 | 2023-12-15 | 国能(山东)能源环境有限公司 | Bionics-based cathode line structure, discharging system and method |
| CN110918257A (en) * | 2019-12-12 | 2020-03-27 | 山东神华山大能源环境有限公司 | Novel discharge cathode structure and wet-type electric dust collector |
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