CN103394411B - A kind of wet cottrell - Google Patents
A kind of wet cottrell Download PDFInfo
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- CN103394411B CN103394411B CN201310368735.5A CN201310368735A CN103394411B CN 103394411 B CN103394411 B CN 103394411B CN 201310368735 A CN201310368735 A CN 201310368735A CN 103394411 B CN103394411 B CN 103394411B
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- collecting plate
- flexible board
- anode collecting
- woven wire
- wire flexible
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Abstract
The invention discloses a kind of wet cottrell, comprise casing and be arranged at discharge electrode and the anode collecting plate of the alternate setting of many rows in casing, the top of described casing is provided with the spray equipment spraying water purification for anode collecting plate, the bottom of casing is provided with outfall, for receiving by anode collecting plate rinsing the sewage got off, discharge electrode is set in parallel in the both sides of anode collecting plate, and and form electric field between described anode collecting plate, anode collecting plate is woven wire flexible board, woven wire flexible board is the close stainless steel fine metal mesh flexible board knitted, spray equipment sprays towards the both sides wire side of each woven wire flexible board.Woven wire flexible board in the present invention is under the acting in conjunction of discharge electrode and shower water, two-sidedly can have moisture film of one's own, ash disposal efficiency is high, and solve the problem of the easy inner dust stratification of honeycomb, tubular type and duplicature anode collecting plate, the arrangement of anode collecting plate is compact, take up an area little, transformation and construction cost low.
Description
Technical field
The present invention relates to environmental protection filed of flue gas purification, more particularly, relate to a kind of wet cottrell.
Background technology
At present, wet cottrell utilizes the modes such as water spray to form water membrane on anode collecting plate surface, and deashing water flows downward under gravity, is washed away by the dust of heavy collection on pole plate, and the ash bucket fallen into below deduster by blow-off pipe is discharged.Wet cottrell has the following advantages compared with dry electrostatic cleaner: do not need rapping equipment, avoid reentrainment of dust; Due to pole plate having water membrane all the time, flue dust become trapped in after on pole plate and is rinsed by moisture film immediately, the phenomenon of the particle that can not be captured again in Returning flow.
Wet cottrell is primarily of electric power system, water system and the three part compositions that gather dust.Electric power system is primarily of high-low pressure switch board and high pressure silicon rectifying transformer composition, and major function is for dust collecting system provides DC high-voltage power supply.The major function of water system provides by modes such as sprays the liquid film flowed downward for gathering dust, to reach the object of deashing.Dust collecting system mainly comprises: dust chamber, inlet flue duct and exhaust pass.Be provided with the dust collector pole and corona discharge electrode that are arranged side by side separately in dust chamber, external power source provides negative high voltage to corona discharge electrode (negative electrode), and dust collector pole (anode) is connected ground connection with the casing of dust chamber.
Wet cottrell has very high arresting efficiency to fine particle and acid aerosol under normal circumstances, but there are the following problems: the anode collecting plate of wet cottrell is generally tubular type or board-like, wet cottrell disclosed in Chinese patent literature CN102671767, comprise casing, be arranged on the anode collecting plate in casing, anode collecting plate be arranged in parallel, some acupuncture lines are provided with between adjacent anode collecting plate, technique water pipe is provided with above anode collecting plate, technique water pipe is connected to main burner, technique water pipe two ends in casing are respectively equipped with directive property nozzle, the injection direction of directive property nozzle is towards anode collecting plate.Deashing water is sprayed, although the efficiency that wet cottrell removes combined pollutant can be improved towards on the anode collecting plate face that wall box is relative with wall box by directive property nozzle.But inventor is carrying out in the process of test and application to prior art, finding that prior art at least exists following problem:
The face relative with wall box is at anode collecting plate plate top or anode collecting plate plate side anode collecting plate plate water spray, but be difficult to form uniform moisture film on the anode collecting plate plate of several meters high, deashing water relies on gravity to flow downward voluntarily, run into because the surface tension effects of liquid and anode collecting plate plate surface exist concavo-convex, make current can not be evenly distributed on anode collecting plate plate, anode collecting plate plate easily forms local dry cavity, produce local electrical resistance, cause the generation of inverse corona, destroy the stability of electric field, affect arresting efficiency.
Summary of the invention
Uniform water film cannot be formed onboard to solve existing wet cottrell anode collecting plate, easily producing dedusting dead angle, thus making wet cottrell take off the technical problem of dirt inefficiency.The invention provides a kind of wet cottrell.
Described technical scheme is as follows:
A kind of wet cottrell, comprise casing and be arranged at discharge electrode and the anode collecting plate of the alternate setting of many rows in described casing, the top of described casing is provided with the spray equipment for spraying water purification to described anode collecting plate, the bottom of described casing is provided with outfall, rinse by described anode collecting plate the sewage got off for receiving, described discharge electrode is set in parallel in the both sides of described anode collecting plate, and and form electric field between described anode collecting plate, described anode collecting plate is woven wire flexible board, described spray equipment is arranged at the top of each described woven wire flexible board, and spray towards the both sides wire side of each described woven wire flexible board, shower water forms two-sided moisture film on described woven wire flexible board.
The silk screen specification of described woven wire flexible board is 80-120 order, and its diameter wiry is 0.1 ~ 0.3mm.
The silk screen specification of described woven wire flexible board is 100 orders, and its diameter wiry is 0.2mm.
Often arrange described anode collecting plate and comprise woven wire flexible board described in multi-disc, the parallel overlap joint in end of woven wire flexible board described in the adjacent two panels being arranged in same row, the middle part of anode collecting plate described in adjacent two rows is provided with multiple described discharge electrode, and the quantity of the described woven wire flexible board that the quantity of described discharge electrode is corresponding with it is equal.
Arrange in blinds mode between multi-disc woven wire flexible board in anode collecting plate described in each row.
Described electric discharge is needle prick shape discharge electrode very.
The wide of woven wire flexible board described in every sheet is 25 ~ 30cm, high 5 ~ 7m.
Distance between the described anode collecting plate of adjacent two row is 30 ~ 50cm.
Also be provided with flue gas shunting plate in described casing, described flue gas shunting plate is arranged at the gas approach place below described casing, and it evenly forms air admission hole, the percent opening 25% ~ 50% on described flue gas shunting plate.
The beneficial effect that technical scheme provided by the invention is brought is:
What A. anode collecting plate of the present invention adopted is woven wire flexible board, when spray equipment is purified waste water by its uppermost spray, uniform moisture film is formed on the control of dust woven wire flexible board surface of flexibility, moisture film can flow in the grid of woven wire flexible board, the globule can not be formed, and also can not there is dry district in woven wire flexible board, effectively expand dust collecting surface and amass, thus ensure that wet cottrell is stablized, run reliably;
B. anode collecting plate of the present invention adopts the flexible metal silk screen flexible board of special material, wire mesh holes on woven wire flexible board is very fine and closely woven, smooth surface, both ensure that larger adsorption surface area, there is again good permeability, and can two-sided film forming, ensure the mobility of moisture film on surface, be convenient to the two sides cleaning realizing control of dust layer, there is higher purification efficiency;
C. anode collecting plate of the present invention adopts the board-like arrangement of single-layer metal wire mesh membrane, can not produce inner dust stratification;
D. anode collecting plate of the present invention adopts multi-disc wire nethike embrane overlap joint to form, and can set sheet number and the arrangement mode of overlap joint according to specific needs, the arrangement of anode collecting plate is compact, takes up an area little, transformation and construction cost low.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is wet cottrell structural representation provided by the present invention;
Fig. 2 is the arrangement schematic diagram of woven wire flexible board provided by the present invention;
Fig. 3 is that overlap joint schematic diagram overlooked by woven wire flexible board provided by the present invention;
Fig. 4 is the flue gas shunting plate structure schematic diagram provided in Fig. 1.
In figure:
1-casing; 2-gas approach; 3-flue gas shunting plate; 4-discharge electrode; 5-anode collecting plate; 6-spray equipment;
7-high voltage supply and insulation facility; The clean gas outlet of 8-; 9-outfall, 10-air admission hole.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, embodiment of the present invention is described further in detail.
As shown in Figure 1, the invention provides a kind of wet cottrell, comprise casing 1 and be arranged at discharge electrode 4 and the anode collecting plate 5 of the alternate setting of many rows in casing 1, the spray equipment 6 spraying water purification for anode collecting plate 5 is provided with above casing, clean gas outlet 8 is provided with above casing 1, outfall 9 is provided with in the bottom of casing 1, for receiving by anode collecting plate 5 rinsing the sewage got off, discharge electrode 4 is set in parallel in the both sides of anode collecting plate 5, and and form electric field between anode collecting plate 5, anode collecting plate 5 is woven wire flexible board, when spray equipment sprays towards woven wire flexible board, shower water can form uniform water film on the both sides wire side of woven wire flexible board.In order to improve de-dirt efficiency, often arrange anode collecting plate 5 and comprise multi-disc woven wire flexible board, row are formed after the end of multi-disc woven wire flexible board laps one another, like this, can go out need according to the Size calculation of casing the quantity overlapping woven wire flexible board, between adjacent two panels woven wire flexible board, be provided with a discharge electrode 4.The wide of every sheet woven wire flexible board in the present invention is 25 ~ 30cm, high 5 ~ 7m; Distance between adjacent two row's anode collecting plates is 30 ~ 50cm.
In order to make soot distribution more even, in casing, be also provided with flue gas shunting plate 3, as shown in Figure 1 and Figure 4.Flue gas shunting plate 3 is wherein arranged at the top of the gas approach 2 of casing 1, and be positioned at the below of anode collecting plate 5, arranging of flue gas shunting plate 3 can ensure that flue gas evenly enters de-dirt region by the below of casing, be convenient to realize the distribution of flue dust on each woven wire flexible board, make the attachment flue dust on each woven wire flexible board have consistent clean scouring intensity.
As shown in Figure 2, discharge electrode 4 is arranged in the middle of two panels woven wire flexible board, and anode collecting plate 5 is special woven wire membrane material, and it is the overlap joint arrangement in vertical louvres in casing.As shown in Figure 1, the present invention arranges spray equipment 6 above anode collecting plate 5.Above dust collector box body 1, be provided with electrion and seal 7, discharge electrode 4 is discharged, the security run can be ensured.
As shown in Figure 3, anode collecting plate 5 is special woven wire membrane material, its smooth surface, and mesh is very fine and closely woven, and the silk screen specification of described woven wire flexible board is 80 ~ 120 orders, and its diameter wiry is 0.1 ~ 0.3mm.The silk screen specification of the woven wire flexible board that the present invention preferably adopts is 100 orders, and its diameter wiry is 0.2mm.
The specification of monolithic anode collecting plate provided by the present invention is wide 25 ~ 30cm, high 7m, and multi-disc anode collecting plate 5 overlaps with louvered, and many rows are arranged in parallel within dust collector box body inside, and the distance between adjacent two row's anode collecting plates is 30 ~ 50cm.The sheet number of overlap joint and the row of arrangement are determined according to actual requirement of engineering.
During application, it is inner that the gas approach 2 that flue gas is arranged from casing 1 bottom enters dust collector box body 1, and the air admission hole 10 of flue gas on the flue gas shunting plate 3 of deduster inside forms the flue gas of even velocity of flow, upwards evenly enters debris collection area.When voltage raises, discharge electrode (negative electrode) 4 discharges and produces a large amount of anion, and the fine particle of the dust in flue gas, aerosol and PM2.5 level is combined with anion and moves to flexible metal filament plate 5, and is adsorbed on the positive and negative surface of woven wire flexible board.Spray header in spray equipment is opened and is supplied water, spray equipment 6 anode collecting plate is sprayed water, wire nethike embrane is due to self absorption and expansion, uniform moisture film can be formed at tow sides, deashing water flows downward under gravity, flow to bottom electrostatic precipitator casing along woven wire flexible board, and discharged by outfall 9.Owing to have employed single-layer metal silk screen lamina membranacea as anode collecting plate 5, two-sidedly under the effect of shower water have moisture film of one's own, control of dust dead band can not be formed, the problem of the inner dust stratification of deduster can not be produced.
The invention described above embodiment sequence number, just to describing, does not represent the quality of embodiment.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. a wet cottrell, comprise casing (1) and be arranged at discharge electrode (4) and the anode collecting plate (5) of the alternate setting of many rows in described casing (1), the top of described casing is provided with the spray equipment (6) for spraying water purification to described anode collecting plate (5), the bottom of described casing (1) is provided with outfall (9), for receiving by the upper sewage rinsed of described anode collecting plate (5), described discharge electrode (4) is set in parallel in the both sides of described anode collecting plate (5), and and form electric field between described anode collecting plate (5), it is characterized in that, described anode collecting plate (5) is woven wire flexible board, described spray equipment (6) is arranged at the top of each described woven wire flexible board, and spray towards the both sides wire side of each described woven wire flexible board, shower water forms two-sided moisture film on described woven wire flexible board, often arrange described anode collecting plate (5) and comprise woven wire flexible board described in multi-disc, the parallel overlap joint in end of woven wire flexible board described in the adjacent two panels being arranged in same row, the middle part of anode collecting plate (5) described in adjacent two rows is provided with multiple described discharge electrode (4), and the quantity of the described woven wire flexible board that the quantity of described discharge electrode (4) is corresponding with it is equal.
2. wet cottrell according to claim 1, is characterized in that, the silk screen specification of described woven wire flexible board is 80-120 order, and its diameter wiry is 0.1 ~ 0.3mm.
3. wet cottrell according to claim 2, is characterized in that, the silk screen specification of described woven wire flexible board is 100 orders, and its diameter wiry is 0.2mm.
4. wet cottrell according to claim 3, is characterized in that, arranges between the multi-disc woven wire flexible board in the anode collecting plate (5) described in each row in blinds mode.
5., according to the arbitrary described wet cottrell of claim 1-4, it is characterized in that, described electric discharge is needle prick shape discharge electrode very.
6. wet cottrell according to claim 5, is characterized in that, the wide of the woven wire flexible board described in every sheet is 25 ~ 30cm, high 5 ~ 7m.
7. wet cottrell according to claim 6, is characterized in that, the distance between the described anode collecting plate of adjacent two row is 30 ~ 50cm.
8. wet cottrell according to claim 7, it is characterized in that, flue gas shunting plate (3) is also provided with in described casing, described flue gas shunting plate (3) is arranged at gas approach (2) place of described casing (1) below, it evenly forms air admission hole (10), the percent opening 25% ~ 50% on described flue gas shunting plate (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310368735.5A CN103394411B (en) | 2013-08-21 | 2013-08-21 | A kind of wet cottrell |
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| CN201310368735.5A CN103394411B (en) | 2013-08-21 | 2013-08-21 | A kind of wet cottrell |
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| Publication Number | Publication Date |
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| CN103394411A CN103394411A (en) | 2013-11-20 |
| CN103394411B true CN103394411B (en) | 2016-04-06 |
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| CN201310368735.5A Active CN103394411B (en) | 2013-08-21 | 2013-08-21 | A kind of wet cottrell |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103721847A (en) * | 2013-12-24 | 2014-04-16 | 杨柠泽 | Isolation and elimination device for haze |
| CN106140478A (en) * | 2016-08-18 | 2016-11-23 | 金广恒环保技术（南京）股份有限公司 | A kind of wet cottrell |
| CN106111341A (en) * | 2016-08-31 | 2016-11-16 | 贵阳铝镁设计研究院有限公司 | Horizontal none-disk terminal electric cleaner and method thereof |
| CN107282300A (en) * | 2017-06-15 | 2017-10-24 | 李帅 | Electrostatic precipitator |
| CN108636027A (en) * | 2018-05-16 | 2018-10-12 | 马鞍山科宇环境工程有限公司 | A kind of wet electrical dust precipitator and its working method |
| CN109622227A (en) * | 2019-01-31 | 2019-04-16 | 孟金来 | Isolating device with noise reduction dedusting function |
| CN109999586A (en) * | 2019-04-17 | 2019-07-12 | 山东清沂山石化科技有限公司 | A kind of silk screen membrane type purifying dust-removing device |
| CN111330736B (en) * | 2020-03-04 | 2021-01-26 | 山东大学 | Flexible net dust collection device, dust collection system and dust collection method |
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| CN1312737A (en) * | 1998-06-17 | 2001-09-12 | 俄亥俄州立大学 | Membrane electrostatic precipitator |
| CN201684661U (en) * | 2010-06-08 | 2010-12-29 | 南京林业大学 | Artificial board industry wet electrostatic dust collector |
| CN102327813A (en) * | 2010-07-12 | 2012-01-25 | 江苏阜升环保集团有限公司 | Multi-layer rotating curtain type high-voltage electrostatic wet process dust collection device |
| CN102872669A (en) * | 2012-09-27 | 2013-01-16 | 浙江佳环电子有限公司 | Flexible anode wet dust collector with hard grid layer |
| CN203417759U (en) * | 2013-08-21 | 2014-02-05 | 南京通用电气装备有限公司 | Wet-type electrostatic dust collector |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5584562A (en) * | 1978-09-14 | 1980-06-25 | Hitachi Plant Eng & Constr Co Ltd | Electric dust collector |
| JP3958020B2 (en) * | 2001-10-30 | 2007-08-15 | 株式会社ゼス | Electric dust collector |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1312737A (en) * | 1998-06-17 | 2001-09-12 | 俄亥俄州立大学 | Membrane electrostatic precipitator |
| CN201684661U (en) * | 2010-06-08 | 2010-12-29 | 南京林业大学 | Artificial board industry wet electrostatic dust collector |
| CN102327813A (en) * | 2010-07-12 | 2012-01-25 | 江苏阜升环保集团有限公司 | Multi-layer rotating curtain type high-voltage electrostatic wet process dust collection device |
| CN102872669A (en) * | 2012-09-27 | 2013-01-16 | 浙江佳环电子有限公司 | Flexible anode wet dust collector with hard grid layer |
| CN203417759U (en) * | 2013-08-21 | 2014-02-05 | 南京通用电气装备有限公司 | Wet-type electrostatic dust collector |
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| CN103394411A (en) | 2013-11-20 |
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