CN109939827A - A kind of anode plate with fugitive dust fume trap cover - Google Patents
A kind of anode plate with fugitive dust fume trap cover Download PDFInfo
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- CN109939827A CN109939827A CN201910191899.2A CN201910191899A CN109939827A CN 109939827 A CN109939827 A CN 109939827A CN 201910191899 A CN201910191899 A CN 201910191899A CN 109939827 A CN109939827 A CN 109939827A
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- plate
- anode plate
- welded
- fugitive dust
- steel plate
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- 239000000428 dust Substances 0.000 title claims abstract description 60
- 239000003517 fume Substances 0.000 title claims abstract description 16
- 239000002184 metal Substances 0.000 claims abstract description 43
- 229910052751 metal Inorganic materials 0.000 claims abstract description 43
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 35
- 238000001914 filtration Methods 0.000 claims abstract description 35
- 239000010959 steel Substances 0.000 claims abstract description 35
- 230000005684 electric field Effects 0.000 claims description 19
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 15
- 239000003546 flue gas Substances 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 5
- 238000010943 off-gassing Methods 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 1
- 239000010931 gold Substances 0.000 claims 1
- 229910052737 gold Inorganic materials 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 239000013618 particulate matter Substances 0.000 abstract description 42
- 239000002245 particle Substances 0.000 abstract description 19
- 239000012716 precipitator Substances 0.000 abstract description 15
- 239000010419 fine particle Substances 0.000 abstract description 7
- 238000001556 precipitation Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 12
- 230000008569 process Effects 0.000 description 11
- 230000000694 effects Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 235000012459 muffins Nutrition 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
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- Electrostatic Separation (AREA)
Abstract
The invention proposes a kind of anode plates with fugitive dust fume trap cover, including anode plate, the anode plate is made of the metal filtration disk that 480C plate and one side are welded, the metal filtration disk includes the steel plate that middle position is arranged along its length and is welded in the first semimetal net of steel plate two sides, the second semimetal net, is welded and fixed by several along the spaced steel pipe in steel plate length direction between the 480C plate and steel plate.Compared to conventional anodes plate, the fine particle escaped along anode plate side is more efficiently trapped, solve the problems, such as that the problem of electric precipitator fugitive dust limitation outlet dust concentration and superfine particulate matter and difficult electrically charged particle object collection efficiency are low, therefore efficiency of dust collection increases, minimum outlet dust concentration breaks through existing bottleneck, can stablize real 10mg/m3Even 5mg/m3Electric precipitation below exports dust concentration.
Description
[technical field]
The present invention relates to the technical field of cleaner, especially a kind of anode plate with fugitive dust fume trap cover.
[background technique]
Anode plate is the critical component of electric precipitator, plays the role of collecting Charged in the electric field of electric precipitator,
In electric precipitator the effects of flue gas stream under, to reentrainment of dust regather effect be guarantee efficiency of dust collection and reduce electric precipitation
Outlet dust concentration plays decisive role.Since the anode plate under pattern is matched to reentrainment of dust almost without receipts in existing conventional pole
There is reentrainment of dust limitation outlet dust concentration in collection effect, electric precipitator, and to superfine particulate matter and charged low
The arresting efficiency of grain object is low, there is a problem of that superfine particulate matter and difficult electrically charged particle object collection efficiency are low.
The anode plate of existing routine electric precipitator generally uses 480C anode plate or corrugated sheet, regathers to rapping fugitive dust several
There is no effect, to can not trapping for the close but unadsorbed superfine particulate matter on anode plate and low electrically charged particle object.
[summary of the invention]
The object of the invention is to solve the problems of the prior art, a kind of anode plate with fugitive dust fume trap cover, energy are proposed
Enough solve the problems, such as that electric precipitator fugitive dust limitation outlet dust concentration and superfine particulate matter and difficult electrically charged particle object collection efficiency are low
The problem of.
To achieve the above object, the invention proposes a kind of anode plate with fugitive dust fume trap cover, including anode plate, the sun
Pole plate is made of the metal filtration disk that 480C plate and one side are welded, and the metal filtration disk includes middle position side along its length
To setting steel plate and be welded in the first semimetal net of steel plate two sides, the second semimetal net, between the 480C plate and steel plate
It is welded and fixed by several along the spaced steel pipe in steel plate length direction.
Preferably, side of the pore diameter far from steel plate of the first semimetal net and the second semimetal net is big, lean on
The side of nearly steel plate is small, imporosity on the steel plate.
Preferably, the metal filtration consolidation body parabolically shape, the first semimetal net, the second semimetal net pair
Claim the two sides for being set to steel plate.
Preferably, the two sides of the 480C plate and metal filtration disk are welded and fixed by several pull rods, it is described
Pull rod is set in distance along the length direction of metal filtration disk.
Preferably, the two sides of the metal filtration disk are symmetrically arranged with side gussets, the side gussets and 480C
Plate is welded and fixed by several pull rods, and one end of the pull rod and side gussets weld, the other end of the pull rod
It is mutually welded with the side of 480C plate welding metal filtering table.
Preferably, the anode plate is arranged in last row in electric precipitator each electric field flow of flue gas direction.
Preferably, the metal filtration disk is welded in 480C plate by the side by near outgassing end in flow of flue gas direction.
Preferably, the 480C plate matter is SPCC, metal filtration disk material is stainless steel.
Beneficial effects of the present invention: anode plate of the invention is arranged in the end of each subregion that gathers dust, collection rapping fugitive dust,
Non- rapping fugitive dust and the particulate matter not trapped on anode plate have more efficiently been trapped compared to conventional anodes plate along anode plate
The fine particle of side escape solves the problems, such as that electric precipitator fugitive dust limitation outlet dust concentration and superfine particulate matter and hardly possible are charged
The problem of particulate collection low efficiency, therefore efficiency of dust collection increases, minimum outlet dust concentration breaks through existing bottleneck, can stablize reality
10mg/m3Even 5mg/m3Electric precipitation below exports dust concentration.
Compared with the prior device, the invention has the following advantages that
1. substantially increasing the removal efficiency again and superfine particulate matter and difficult electrically charged particle to fugitive dust from structural shape
The collection efficiency of object solves the problems, such as anode plate fugitive dust limitation outlet dust concentration and superfine particulate matter and difficult electrically charged particle object
The low problem of collection efficiency, therefore efficiency of dust collection increases, minimum outlet dust concentration breaks through existing bottleneck.
2. it is good that adaptability is transformed.The cathode line of existing electric precipitator largely uses 480C anode plate or waveform anode plate,
The part repowering is simple, need to only be replaced last row, is not required to change cathod system and other anode plates, and transformation takes
With low.
3. the industries such as pair metallurgy, cement adaptability is good, especially the charged difficult and unsuitable bag-type dust in flue gas particles
Under the flue gas operating condition of device, which can fill up the blank that these fields are unable to reach dust minimum discharge.
Feature and advantage of the invention will be described in detail by embodiment combination attached drawing.
[Detailed description of the invention]
Fig. 1 show the schematic diagram that gathers dust for the anode plate that low fugitive dust and difficult electrically charged particle object efficiently trap;
Fig. 2 show particulate matter stress condition schematic diagram;
Fig. 3 show the concentration distribution schematic diagram of " fugitive dust " and " fine particle and difficult electrically charged particle object ";
Fig. 4 show the schematic diagram for being equipped with the electric precipitator for the anode plate that low fugitive dust and difficult electrically charged particle object efficiently trap;
It illustrates:
Figure with the arrow is power line, indicates the direction of electric field force E;
Black dot indicates particulate matter (dust);
The curve for connecting black dot, indicates the motion profile of particulate matter.
[specific embodiment]
A kind of anode plate with fugitive dust fume trap cover of the invention refering to fig. 1, including anode plate, the anode plate is by 480C plate 1
And the metal filtration disk 2 of one side welding forms, conventional anodes plate is an integral structure with metal filtration disk, metal filtration disk
Dust-collecting and vibrating power is transmitted by anode plate, from without vibrated system is specially arranged.And metal filtration disk length direction is strong
Degree is guaranteed by anode plate, can guarantee the strength and stiffness of its length direction.The metal filtration disk 2 includes middle position along it
The steel plate of length direction setting and it is welded in the first semimetal net 21 of steel plate two sides, the second semimetal net 22, by by metal
Net is divided to two pieces, to reduce its difficulty of processing, the fixing intensity and stability of metal mesh and bracket can be improved.It is set among metal mesh
Steel plate is set, semimetal net and steel plate weld, to improve the fixing intensity of metal mesh, reduce fixed difficulty, guarantee overall stiffness.
It is welded and fixed by several along the spaced steel pipe in steel plate length direction between the 480C plate 1 and steel plate, thus
The fixing intensity of metal mesh is improved, fixed difficulty is reduced, guarantees overall stiffness.
Side of the pore diameter far from steel plate of the first semimetal net 21 and the second semimetal net 22 is big, close to steel plate
Side it is small, imporosity on the steel plate.The hole setting of metal filtration disk is related with escaping particles object is collected, metal mesh setting
Big for outside hole, air-flow is more reasonable, and particulate matter is easier to enter metal filtration disk, and flue gas resistance is lower, so as to
It consumes lower.
The metal filtration disk 2 is whole, and parabolically shape, the first semimetal net 21, the second semimetal net 22 are symmetrically set
It is placed in the two sides of steel plate.The parabolic shape of metal filtration disk is related with escaping particles object is collected, and the planform is to escaping particles
The absorption of object is more preferable, and particulate matter is easier to be adsorbed on metal mesh, and adsorption capacity is more preferable.
The two sides of the 480C plate 1 and metal filtration disk 2 are welded and fixed by several pull rods 23, the pull rod 23
Length direction along metal filtration disk 2 is set in distance.The two sides of the metal filtration disk 2 are symmetrically arranged with side gussets 24,
The side gussets 24 and 480C plate 1 is welded and fixed by several pull rods 23, one end and side of the pull rod 23
Connecting plate 24 welds, and the side of the other end and 1 welding metal filtering table 2 of 480C plate of the pull rod 23 is mutually welded.Pull rod is to cigarette
The inhibition of gas is low, and intensity is good, and pull rod is welded and fixed with two sides steel plate, can guarantee metal filtering table integral strength.
Further, the anode plate is arranged in last row in electric precipitator each electric field flow of flue gas direction.It is described
Metal filtration disk 2 is welded in 480C plate 1 by the side by near outgassing end in flow of flue gas direction.
Further, 1 material of 480C plate is SPCC, and 2 material of metal filtration disk is stainless steel.
Working principle of the present invention:
The course of work of conventional dust removal:
(1) electric precipitator internal electric field power: cathode line connects high voltage power supply and forms negative potential (about -30kV arrives -70kV), anode
Plate earthing (about 0kV) forms electric field between cathode line and anode plate, electric field force direction is as shown in the plot of figure 1.
(2) trapping process of the electric precipitator to conventional granulates object: the flue gas with particulate matter (dust) flows into electric precipitator
In electric field, particulate matter in electric field space by the charge adsorption of cathode line corona discharge to its surface, thus on particulate matter band bear
Charge.
(3) conventional granulates object traps process: for most of particulate matter by after charged, electronegative particulate matter receives power in electric field
Situation is as shown in Fig. 2, FElectric field forceIt is the main useful effect power of particle collection, due to F towards anode plateInertia force、FGravityEtc. power
Comprehensive function and particulate matter Brownian movement exist, and the stress resultant direction of particulate matter is with time change, when particulate matter exists
FElectric field forceWhen reaching anode plate from f state (particulate matter is in flue gas) under effect, particulate matter is adsorbed onto formation muffin layer on anode plate,
As g state (particulate matter is adsorbed on anode plate), when anode plate rapping, muffin layer is dropped in ash bucket, thus particulate matter quilt
Removal.
Conventional dust removal there are the problem of it is as follows:
(4) process of " the problem of fugitive dust limitation outlet dust concentration " existing for conventional dust removal: such as a → b → c mistake of Fig. 1
Journey, wherein a → b is identical as f → g process above, and particulate matter is adsorbed on anode plate, but makees in air-flow wiper, ion wind etc.
Under firmly, particulate matter is blown back in flue gas again on anode plate, from b state (particulate matter is adsorbed on anode plate) to c state
(particulate matter again into flue gas, fugitive dust) after particulate matter reaches in flue gas, moves under airflow function to Electric Field in ESP rear end
It is dynamic, and make nearly parabolic motion (c → d process) under electric field force effect, wherein part superfine particulate matter is made in Brownian movement etc.
Under, particulate matter does not arrive anode plate, and fly out electric field.
(5) process of " fine particle and difficult electrically charged particle object collection efficiency are low " existing for conventional dust removal: such as h → i of Fig. 1
→ j → k process, particulate matter is under the action of Fig. 2:
Since the Brownian movement effect of superfine particulate matter is larger, superfine particulate matter can not trap anode plate by electric field force
On.
Due to the low (Q of carrying capacity of difficult electrically charged particle objectCarrying capacityIt is small), FElectric field force=QCarrying capacity×EElectric field strength, thus electric field force very little,
Particulate matter can not trap anode plate by electric field force.
Therefore, " fine particle and difficult electrically charged particle object collection efficiency are low " particulate matter does not arrive anode plate, and fly out electric field.
Anode plate of the present invention solves the problems, such as above " fugitive dust " and " fine particle and difficult electrically charged particle object collection efficiency are low "
Principle:
C → d the process and the common trait of j → k process of (4) and the trapping of (5) two class difficulties are above: particulate matter is towards anode plate
Close, most of particulate matter is moved along the closer position of anode plate, such as Fig. 3.
The principle of the present invention is: a kind of anode plate with fugitive dust fume trap cover by the way that electric field end is arranged in, with metal mesh
Intercept the particulate matter particulate matter of trapping (conventional electric precipitation difficulty) close to anode plate, thus trap " fugitive dust " and " fine particle and
Difficult electrically charged particle object ", such as d → e process and k → l process.
Above-described embodiment is the description of the invention, is not limitation of the invention, after any pair of simple transformation of the present invention
Scheme all belong to the scope of protection of the present invention.
Claims (8)
1. a kind of anode plate with fugitive dust fume trap cover, it is characterised in that: including anode plate, the anode plate by 480C plate (1) and
Metal filtration disk (2) composition of one side welding, the metal filtration disk (2) includes that middle position is arranged along its length
Steel plate and be welded in the first semimetal net (21) of steel plate two sides, the second semimetal net (22), the 480C plate (1) and steel plate it
Between be welded and fixed by several along the spaced steel pipe in steel plate length direction.
2. a kind of anode plate with fugitive dust fume trap cover as described in claim 1, it is characterised in that: the first semimetal net
(21) and side of the pore diameter far from steel plate of the second semimetal net (22) is big, and the side close to steel plate is small, on the steel plate
Imporosity.
3. a kind of anode plate with fugitive dust fume trap cover as described in claim 1, it is characterised in that: the metal filtration disk (2)
It is whole that parabolically shape, the first semimetal net (21), the second semimetal net (22) are symmetrically disposed on the two sides of steel plate.
4. a kind of anode plate with fugitive dust fume trap cover as described in claim 1, it is characterised in that: the 480C plate (1) and gold
The two sides for belonging to filtering table (2) are welded and fixed by several pull rods (23), and the pull rod (23) is along metal filtration disk (2)
Length direction is set in distance.
5. a kind of anode plate with fugitive dust fume trap cover as claimed in claim 4, it is characterised in that: the metal filtration disk (2)
Two sides be symmetrically arranged with side gussets (24), the side gussets (24) and 480C plate (1) pass through several pull rods (23)
Be welded and fixed, one end of the pull rod (23) and side gussets (24) are welded, the other end of the pull rod (23) with
It mutually welds the side of 480C plate (1) welding metal filtering table (2).
6. a kind of anode plate with fugitive dust fume trap cover as described in claim 1, it is characterised in that: the anode plate is arranged in electricity
Last row in deduster each electric field flow of flue gas direction.
7. a kind of anode plate with fugitive dust fume trap cover as claimed in any one of claims 1 to 6, it is characterised in that: the metal mistake
Filter disc (2) is welded in 480C plate (1) by the side by near outgassing end in flow of flue gas direction.
8. a kind of anode plate with fugitive dust fume trap cover as described in claim 1, it is characterised in that: 480C plate (1) material
For SPCC, metal filtration disk (2) material is stainless steel.
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CN201910191899.2A CN109939827A (en) | 2019-03-14 | 2019-03-14 | A kind of anode plate with fugitive dust fume trap cover |
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CN201910191899.2A CN109939827A (en) | 2019-03-14 | 2019-03-14 | A kind of anode plate with fugitive dust fume trap cover |
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CN201910191899.2A Pending CN109939827A (en) | 2019-03-14 | 2019-03-14 | A kind of anode plate with fugitive dust fume trap cover |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111632765A (en) * | 2020-05-19 | 2020-09-08 | 浙江菲达环保科技股份有限公司 | Anode device for strengthening fine particles and aerosol trapping in dry and wet flue gas environment |
CN117414951A (en) * | 2023-12-07 | 2024-01-19 | 江苏天洁环境工程有限公司 | Anode plate, low-flow-velocity electric field and electric dust collector |
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CN210121529U (en) * | 2019-03-14 | 2020-03-03 | 浙江菲达环保科技股份有限公司 | Anode plate with raise dust collecting cover |
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CN204745973U (en) * | 2015-04-03 | 2015-11-11 | 宜兴市爱迪尔科技有限公司 | Filter screen formula wet -type electricity dust collector |
CN204620208U (en) * | 2015-05-14 | 2015-09-09 | 杭州天明环保工程有限公司 | A kind of high-effective conductive filter pocket electrostatic precipitator |
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CN111632765A (en) * | 2020-05-19 | 2020-09-08 | 浙江菲达环保科技股份有限公司 | Anode device for strengthening fine particles and aerosol trapping in dry and wet flue gas environment |
CN117414951A (en) * | 2023-12-07 | 2024-01-19 | 江苏天洁环境工程有限公司 | Anode plate, low-flow-velocity electric field and electric dust collector |
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