CN105195318A - Two-dimensional anode dust collection electric precipitator - Google Patents
Two-dimensional anode dust collection electric precipitator Download PDFInfo
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- CN105195318A CN105195318A CN201510768526.9A CN201510768526A CN105195318A CN 105195318 A CN105195318 A CN 105195318A CN 201510768526 A CN201510768526 A CN 201510768526A CN 105195318 A CN105195318 A CN 105195318A
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Abstract
The invention relates to a two-dimensional anode dust collection electric precipitator. The two-dimensional anode dust collection electric precipitator comprises a flue gas channel, wherein a discharging cathode wire and a transverse dust collection anode plate are alternatively matched and distributed in an electric field region of the flue gas channel; and the transverse dust collection anode plate is parallel to a gas flow direction. The two-dimensional anode dust collection electric precipitator is characterized in that the electric field region of the flue gas channel is internally additionally provided with a longitudinal dust collection anode plate vertical to the gas flow direction at least; and each longitudinal dust collection anode plate is a through type pore plate. The two-dimensional anode dust collection electric precipitator has the advantages that the inner space of an electric field is sufficiently utilized; when the anode plate is arrayed in the parallel gas flow direction (namely a first dimension, or named as a transverse direction), the through type dust collection anode plate is arranged in the vertical gas flow direction (namely a second dimension, or named as a longitudinal direction; and dust collection area is doubled under the condition that the space of the electric precipitator is not increased and four-directional discharging cathode wires are adopted so that electric corona is relatively concentrated, the intensity of the electric corona is relatively strong, and the dust collection effect is relatively good.
Description
Technical field
The present invention relates to electric cleaner, particularly a kind of bidimensional anode gathers dust electric cleaner.
Background technology
Electric cleaner is the field being widely used in the purification of electric power, metallurgy, building materials, chemical industry and various dusty gas.Along with the raising of environmental emission standard, traditional electrical deduster can not meet the needs of qualified discharge, and the technological break-through of electric cleaner becomes the needs of social development.The discharge plume that the electric field of traditional electrical deduster is alternately arranged by downstream direction is formed with the positive plate that gathers dust, airflow direction is vertical with electric field force direction, specific collection area is little, inevitably produces reentrainment of dust, and the electric discharge cathode line of traditional electrical deduster is two to electric discharge cathode line.
Summary of the invention
The object of the invention is to solve existing electric precipitator cathode line discharge voltage low, the defects such as specific collection area is relatively little, and a kind of bidimensional proposed gathers dust electric cleaner, when former deduster inner space is constant, while specific collection area is multiplied, reduce the reentrainment of dust caused by rapping to greatest extent, the present invention may be used for transforming whole electric cleaner, also can transform certain electric field, be particularly useful for newly increasing in the transformation project of an electric field former electric cleaner.
To achieve these goals, present invention employs following technical scheme:
Bidimensional anode gathers dust electric cleaner, comprise exhaust gases passes, in the electric field region of exhaust gases passes, alternately cooperation is furnished with electric discharge cathode line and the positive plate that laterally gathers dust, parallel and the airflow direction of the positive plate that laterally gathers dust, and it is vertical with electric field force direction, it is characterized in that: the longitudinal direction of at least setting up one uprush direction in the electric field region of described exhaust gases passes is gathered dust positive plate, each longitudinal direction positive plate that gathers dust is open type orifice plate, and the positive plate that longitudinally gathers dust is provided with deashing device.
On the basis of technique scheme, following further technical scheme can be had:
Described electric discharge cathode line is four-way electric discharge cathode line.
An anode row is formed at the parallel positive plate that to gather dust with every 6 ~ 10 pieces of described transverse directions of airflow direction, at one group of anode row composition one row in uprush direction, transverse direction adjacent in each anode row is gathered dust between positive plate and is provided with gap, between adjacent two anode rows, be provided with at least one second longitudinally to gather dust positive plate, described second positive plate that longitudinally gathers dust is connected in gap that transverse direction adjacent in anode row gathers dust between positive plate;
Between the adjacent every two pieces of anode rows being parallel to airflow direction, also leave gap, the longitudinal cooperation of first longitudinal positive plate that gathers dust is fixed in the gap between every two anode rows.
Deashing device is equipped with on each described longitudinal direction gathers dust positive plate.
Described in per pass, the appearance and size of longitudinal positive plate that gathers dust all is equal to the longitudinal section appearance and size of described passage.
Described open type orifice plate is woven wire cloth, welds blinds Turbogrid plates, rushes and draw metal lath or fine-celled foam metal structure.
The gather dust Penetration ration of positive plate of described longitudinal direction reduces from the first electric field successively to last electric field, and each described longitudinal direction is gathered dust, the Penetration ration of positive plate is up big and down small.
Each described longitudinal direction positive plate that gathers dust is at least a Rotating fields.
Each described longitudinal direction is gathered dust, and positive plate is linear, triangle, trapezoidal, " M " type is arranged.
Beneficial effect of the present invention: the present invention is on said structure basis, increase the anode dust arrester installation in uprush direction, namely in parallel airflow direction (i.e. the first dimension, or claim laterally) while arrangement of anode plate, in uprush direction (i.e. the second dimension, or claim longitudinally) arrange the positive plate that gathers dust of open type, this newly-increased device is consistent with electric field force direction relative to the airflow direction of Charged, enough large specific collection area, as far as possible little reentrainment of dust are the important means that electric cleaner improves efficiency of dust collection.The present invention makes full use of electric field inner space, will pass the dust collection electric field in positive plate parallel airflow direction, increases the dust collection electric field in anode dust arrester installation uprush direction; When do not give add deduster inner space, the specific collection area of electric cleaner is multiplied, simultaneously with the electrion of four-way electric discharge cathode line, make that corona is more concentrated, corona intensity is stronger, due to vertical gas banish to the longitudinal direction positive plate that gathers dust be arranged in positive plate rear portion of laterally gathering dust, its special construction has the effect of interception reentrainment of dust.
Make full use of inner space and the structure of traditional electrical deduster, while increasing anode specific collection area, the permeability properties of positive plate of longitudinally gathering dust makes filtration dust-collecting mechanism play a role simultaneously, suppresses reentrainment of dust, increased substantially electric cleaner dust-collecting function while solution is gathered dust.
The present invention is applicable to newly-built electric cleaner, compares tradition and to gather dust the electric cleaner that positive plate gathers dust by transverse direction, and when space is identical, increasing the gather dust specific collection area of electric cleaner that positive plate gathers dust of longitudinal direction is one times.Especially be applicable to the electric cleaner traditional electric field front end and rear end not established to cathode frame, it is carry out the very high method of a kind of cost performance of renovation and improving to it that the basis extremely laterally gathered dust in Yuanyang increases the longitudinal dust arrester installation of anode.
Accompanying drawing explanation
Fig. 1 is basic structure view of the present invention;
Fig. 2 is dust removal process track schematic diagram of the present invention;
Fig. 3 is a kind of topology view of longitudinal positive plate that gathers dust;
Fig. 4 is the another kind of topology view of longitudinal positive plate that gathers dust;
Fig. 5 is the perforate distribution schematic diagram of longitudinal positive plate that gathers dust;
Fig. 6 is another kind of topology view of the present invention.
Detailed description of the invention
embodiment 1:as Fig. 1, Fig. 2, Fig. 3, shown in Fig. 4 and Fig. 6, bidimensional anode provided by the invention gathers dust electric cleaner, comprise exhaust gases passes 1, in the electric field region of exhaust gases passes 1, alternately cooperation is furnished with electric discharge cathode line 2 and the positive plate 3 that laterally gathers dust, laterally gather dust positive plate 3 for traditional electrical deduster structure, it can be C480 type, W type, Z-type etc. or other forms, arrangement is parallel airflow direction, and it is vertical with electric field force direction, an anode row is formed at the parallel positive plate 3 that to gather dust with every 6 ~ 10 pieces of described transverse directions of airflow direction, at one group of anode row composition one row in uprush direction, gap is left between the adjacent every two pieces of described anode rows being parallel to airflow direction, and be often provided with gap between row anode row, 350mm ~ 500mm is spaced apart often between row anode row, gap size determined by the factor such as Dust Characteristics and discharge index, it is characterized in that: the longitudinal direction of setting up at least one uprush direction in described electric field region is gathered dust positive plate 4, the longitudinal direction wherein arranged between the two adjacent row anode rows positive plate 4 that gathers dust is first longitudinally to gather dust positive plate 4a, first longitudinal positive plate 4a that gathers dust is double-hole plate structure, first longitudinally gather dust positive plate 4a be arranged in often arrange described anode row end gap between and the interstitial site of electric field rear portion electric field channel, independent suspension or be fixed on last block and laterally gather dust on positive plate 3.
Each described longitudinal direction gathers dust positive plate 4 for open type grid orifice plate, material of main part can be woven wire cloth, welds shutter lattice structure, rush and draw the material such as metal lath, fine-celled foam metal, each described longitudinal direction positive plate 4 that gathers dust is single or multiple lift structures, as shown in Figure 3 and Figure 4, each described longitudinal direction positive plate 4 that gathers dust is the structural slabs such as linear, triangle, trapezoidal, " M " type layout.Deashing device 5 is equipped with on each described longitudinal direction gathers dust positive plate 4, deashing device 5 can be that mechanical shaking device, electromagnetic rapping device, ultrasonic wave or air run deashing device, rotating brush deashing device, compressed air spraying deashing device or water flushing deashing device etc., but deashing device 5 must be reliable, and keep regular maintenance to put in place, guarantee reliability service, gather dust on positive plate 3 horizontal vibration body 6 is all housed often arranging described transverse direction.
As depicted in figs. 1 and 2, described electric discharge cathode line 2 is four-way electric discharge cathode line 2a, four-way electric discharge cathode line 2a main body is that whole rigidity tubing is made, and its two ends are crushed, while top being flattened, rushing the connecting hole of a diameter 11mm, being connected for suspending beam in midair with cathode top.While bottom being flattened, rushing the mounting hole of a hollow distance 20mm of aperture 11mm, being connected for suspending beam in midair with negative electrode bottom.It is four formations that cathode line often locates electric discharge prickle, to four direction electric discharge, and the spacing 100mm of neighbouring discharge point.The two ends up and down of point of discharge respectively with corresponding positive plate top or bottom concordant.Contrast tradition two is to electric discharge cathode line, and four-way electric discharge cathode line 2a corona intensity is stronger, and electric current per unit length is 1 ~ 2 times of conventional cathode line, can select supporting source nominal electric current by 0.45mA/m, and voltage rating selects 72kV.As shown in Figure 3 and Figure 4, described electric discharge cathode line 2 be two to electric discharge cathode line 2b, two to electric discharge cathode line 2b be the supporting corona wire structure of traditional electrical deduster, can BS molded line, RS molded line, cast prickle wire, sawtooth prickle wire, double angle prickle wire, fish-bone needlework, V-type series lines, astroid, twistedwire, helix etc., tension discharge is relatively low, and dust-collecting efficiency is low.
As shown in Figure 5, the gather dust Penetration ration of positive plate 4 of each described longitudinal direction is up big and down small, top percent opening is 55% ~ 65%, bottom percent opening is 40% ~ 50%, from the first electric field to last electric field, the gather dust Penetration ration of positive plate 4 of described longitudinal direction is also different, determines after carrying out COMPREHENSIVE CALCULATING according to factors such as the Dust distribution characteristic of every electric field, the discharge index that reach, the specific collection areas that must increase, principle is anterior large, reduces successively to during last electric field.
The gather dust appearance and size of positive plate 4 of each described longitudinal direction is all equal to the longitudinal section appearance and size of described exhaust gases passes 1, and to the full plugging type filter gas dedusting that the longitudinal direction of exhaust gases passes 1 is carried out from level to level.
embodiment 2:as shown in Figure 6, between the adjacent every two pieces of described anode rows being parallel to airflow direction, also gap is left by described in above-described embodiment 1, namely laterally gather dust between positive plate 3 and be equipped with gap often arranging adjacent two row in described anode row, the gap that often in row anode row, adjacent two row laterally gather dust between positive plate 3 is through, the fixing longitudinal direction of the cooperation that adjacent two row laterally gather dust in the anterior or corresponding through gap, rear portion of positive plate 3 in the every row anode row positive plate 4 that gathers dust is second longitudinally to gather dust positive plate 4b, and the second positive plate 4b that longitudinally gathers dust is single layer hole plate structure.
Dust suppression process: four-way electric discharge cathode line 2a is electrion, release free electron while flue gas is ionized, the main lotus positive electricity of corona zone dust, the main bear electricity of dust outside corona zone, under the effect of polarity electric field force, lotus positive particles drives to four-way electric discharge cathode line 2a, and bear charged particle anode drives, because corona zone is relatively concentrated near four-way electric discharge cathode line 2a, space bear charged particle seems more, this reason that namely anode specific collection area needs are enough large.Charged particle opposite anode laterally gathers dust positive plate 3, and by the effect of electric field force and wind-force, electric field force is vertical with the position direction of wind-force.The longitudinal positive plate 4 that gathers dust of charged particle opposite anode, the same effect being subject to electric field force and wind-force, but electric field force is parallel with the position direction of wind-force.That is, laterally gather dust escape dust on positive plate 3 and space is filled the air dust and is more longitudinally gathered dust collected by positive plate 4.The horizontal positive plate 3 that gathers dust of anode gathers dust positive plate 4 under the effect of deashing mechanism with longitudinal, and dust and apparatus surface are peeled off, and fall into flue-dust retainer and are collected, and through air-transport system, dust are transported to assigned address.Anode laterally gather dust positive plate 3 with longitudinally gather dust positive plate 4 thus complete the overall process that dust is charged, adsorb, peel off, collect, carry.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.
Claims (9)
1. bidimensional anode gathers dust electric cleaner, comprise exhaust gases passes (1), in the electric field region of exhaust gases passes (1), alternately cooperation is furnished with electric discharge cathode line (2) and the positive plate (3) that laterally gathers dust, parallel and the airflow direction of the positive plate (3) that laterally gathers dust, it is characterized in that: the longitudinal direction of at least setting up one uprush direction in the electric field region of described exhaust gases passes (1) is gathered dust positive plate (4), each longitudinal direction positive plate (4) that gathers dust is open type orifice plate.
2. bidimensional anode according to claim 1 gathers dust electric cleaner, it is characterized in that: described electric discharge cathode line (2) is four-way electric discharge cathode line (2a).
3. bidimensional anode according to claim 1 gathers dust electric cleaner, it is characterized in that: form an anode row at the parallel positive plate (3) that to gather dust with every 6 ~ 10 pieces of described transverse directions of airflow direction, at one group of anode row composition one row in uprush direction, transverse direction adjacent in each anode row is gathered dust between positive plate (3) and is provided with gap, at least one first longitudinal positive plate (4a) that gathers dust is provided with between adjacent two anode rows, described second positive plate (4a) that longitudinally gathers dust is connected in gap that transverse direction adjacent in anode row gathers dust between positive plate (3),
Between the adjacent every two pieces of anode rows being parallel to airflow direction, also leave gap, the longitudinal cooperation of second longitudinal positive plate (4b) that gathers dust is fixed in the gap between every two anode rows.
4. bidimensional anode according to claim 1 gathers dust electric cleaner, it is characterized in that: on each described longitudinal direction gathers dust positive plate (4), be equipped with deashing device (5).
5. bidimensional anode according to claim 1 gathers dust electric cleaner, it is characterized in that: the appearance and size of the positive plate (4) that longitudinally gathers dust described in per pass is all equal to the longitudinal section appearance and size of described passage (1).
6. bidimensional anode according to claim 1 gathers dust electric cleaner, it is characterized in that: described open type orifice plate is woven wire cloth, metal lath or fine-celled foam metal structure are drawn in welding blinds Turbogrid plates, punching.
7. bidimensional anode according to claim 1 gathers dust electric cleaner, it is characterized in that: the gather dust Penetration ration of positive plate (4) of described longitudinal direction reduces from the first electric field successively to last electric field, and each described longitudinal direction is gathered dust, the Penetration ration of positive plate (4) is up big and down small.
8. bidimensional anode according to claim 1 gathers dust electric cleaner, it is characterized in that: each described longitudinal direction positive plate (4) that gathers dust is at least a Rotating fields.
9. bidimensional anode according to claim 1 gathers dust electric cleaner, it is characterized in that: each described longitudinal direction is gathered dust, and positive plate (4) is linear, triangle, trapezoidal, " M " type is arranged.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510768526.9A CN105195318A (en) | 2015-11-12 | 2015-11-12 | Two-dimensional anode dust collection electric precipitator |
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| CN201510768526.9A CN105195318A (en) | 2015-11-12 | 2015-11-12 | Two-dimensional anode dust collection electric precipitator |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106540805A (en) * | 2016-12-29 | 2017-03-29 | 天津钢铁集团有限公司 | A kind of electric dust removing system improved structure |
| CN106801952A (en) * | 2017-03-30 | 2017-06-06 | 谢红卫 | The indoor electrostatic air cleaning equipment of plasma and operation method |
| CN106839124A (en) * | 2017-03-30 | 2017-06-13 | 谢红卫 | The unidirectional new blower fan of plasma electrostatic depuration and operation method |
| WO2018148948A1 (en) * | 2017-02-17 | 2018-08-23 | 白三妮 | Air particle precipitation and adsorption device |
| CN108940587A (en) * | 2018-07-17 | 2018-12-07 | 中国科学院过程工程研究所 | A kind of electric precipitator |
| CN110328054A (en) * | 2019-08-13 | 2019-10-15 | 长沙天瑞能源科技有限公司 | A kind of tiny dust collection device |
| CN110433962A (en) * | 2019-09-03 | 2019-11-12 | 上海联达节能科技股份有限公司 | A kind of electrostatic precipitator of achievable minimum discharge |
| CN113231200A (en) * | 2021-04-15 | 2021-08-10 | 浙江菲达环保科技股份有限公司 | Combined type multilayer anti-dust anode and electric dust collector with same |
| CN113634374A (en) * | 2021-09-14 | 2021-11-12 | 崔英福 | Annular composite dust removal device and dust removal method |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106540805A (en) * | 2016-12-29 | 2017-03-29 | 天津钢铁集团有限公司 | A kind of electric dust removing system improved structure |
| WO2018148948A1 (en) * | 2017-02-17 | 2018-08-23 | 白三妮 | Air particle precipitation and adsorption device |
| CN106801952A (en) * | 2017-03-30 | 2017-06-06 | 谢红卫 | The indoor electrostatic air cleaning equipment of plasma and operation method |
| CN106839124A (en) * | 2017-03-30 | 2017-06-13 | 谢红卫 | The unidirectional new blower fan of plasma electrostatic depuration and operation method |
| CN106839124B (en) * | 2017-03-30 | 2022-03-18 | 谢红卫 | One-way plasma electrostatic purification fresh air machine and operation method |
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| CN110328054A (en) * | 2019-08-13 | 2019-10-15 | 长沙天瑞能源科技有限公司 | A kind of tiny dust collection device |
| CN110433962A (en) * | 2019-09-03 | 2019-11-12 | 上海联达节能科技股份有限公司 | A kind of electrostatic precipitator of achievable minimum discharge |
| CN113231200A (en) * | 2021-04-15 | 2021-08-10 | 浙江菲达环保科技股份有限公司 | Combined type multilayer anti-dust anode and electric dust collector with same |
| CN113634374A (en) * | 2021-09-14 | 2021-11-12 | 崔英福 | Annular composite dust removal device and dust removal method |
| CN113634374B (en) * | 2021-09-14 | 2024-04-02 | 崔英福 | Annular composite dust removing device and dust removing method |
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Application publication date: 20151230 |