CN203370651U - Penetration type metal wire mesh dust collecting electrode and wet-type electric dust remover thereof - Google Patents
Penetration type metal wire mesh dust collecting electrode and wet-type electric dust remover thereof Download PDFInfo
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- CN203370651U CN203370651U CN201320433002.0U CN201320433002U CN203370651U CN 203370651 U CN203370651 U CN 203370651U CN 201320433002 U CN201320433002 U CN 201320433002U CN 203370651 U CN203370651 U CN 203370651U
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- dust collecting
- dust
- wire mesh
- metal wire
- collecting electrode
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Abstract
The utility model discloses a penetration type metal wire mesh dust collecting electrode. The penetration type metal wire mesh dust collecting electrode comprises a dust collecting anode plate, a dust collecting frame and a water distribution device, wherein the dust collecting anode plate is fixed on the dust collecting frame, is a metal wire mesh plate and is fixed on the outer side of at least one plane of the dust collecting frame; metal plates are arranged on the other surfaces of the dust collecting frame; the dust collecting anode plate and the metal plate enclose the dust collecting frame to form a box body; the water distribution device is arranged in the box body and is used for injecting water into the box body. Moreover, the utility model also provides a wet-type electric dust remover with the metal wire mesh plate. By using a penetration type metal wire mesh plate as the dust collecting anode plate, the problems that an electrode plate of the wet-type electric dust remover is hardly covered with a water film uniformly in all area, dry spots can be formed easily and local back-corona are serious are solved, dust gathering on the electrode plate can be totally and ideally removed, equipment is simple, and the reforming cost and the construction cost are low.
Description
Technical field
The utility model relates to the environmental protection filed of flue gas purification, more particularly, relates to a kind of infiltration type woven wire dust collecting electrode and wet electrical dust precipitator thereof.
Background technology
At present, the modes such as wet electrical dust precipitator utilization water spray form water membrane on the dust collecting electrode surface, and deashing water flows downward under Action of Gravity Field, and the dust of heavy collection on pole plate washed away, and the ash bucket that falls into the deduster below by blow-off pipe is discharged.Wet electrical dust precipitator is compared and is had the following advantages with the dry electric precipitation device: do not need rapping equipment, avoided reentrainment of dust; Due to water membrane being arranged on pole plate all the time, flue dust is rinsed by moisture film after becomeing trapped on pole plate immediately, and the particle that can not be captured is the phenomenon in Returning flow again.
Wet electrical dust precipitator mainly is comprised of electric power system, water system and three parts of gathering dust.Electric power system mainly is comprised of high-low pressure switch board and high pressure silicon rectifying transformer, and major function is to provide DC high-voltage power supply for dust collecting system.The major function of water system is to provide by modes such as sprays the liquid film flowed downward for gathering dust, to reach the purpose of deashing.Dust collecting system mainly comprises: dust chamber, inlet flue duct and exhaust pass.Be provided with the dust collector pole and the 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 housing of dust chamber.
Wet electrical dust precipitator generally has very high arresting efficiency to fine particle and acid aerosol, but there are the following problems: the dust collecting electrode of wet electrical dust precipitator is generally tubular type or board-like, wet electrical dust precipitator as disclosed as Chinese patent literature CN102671767, comprise housing, be arranged on the dust collecting electrode in housing, dust collecting electrode be arranged in parallel, be provided with some acupuncture lines between adjacent dust collecting electrode, the dust collecting electrode top is provided with the technique water pipe, be connected to main burner on the technique water pipe, technique water pipe two ends in housing are respectively equipped with the directive property nozzle, the injection direction of directive property nozzle is towards dust collecting electrode.Spray deashing water by the directive property nozzle on the control of dust pole-face relative with housing sidewall near housing sidewall, although can improve the efficiency that wet electrical dust precipitator removes combined pollutant.But utility model people is in carrying out the process of test and application to prior art, find that at least there is following problem in prior art:
The face relative with housing sidewall on collecting polar plate top or the collecting polar plate side to collecting polar plate, spray water, but be difficult to form uniform moisture film on the collecting polar plate of several meters high, deashing water relies on gravity to flow downward voluntarily, the surface tension effects and the collecting polar plate surface that run into due to liquid exist concavo-convex, make current can not be evenly distributed on collecting polar plate, easily form local dry cavity on collecting polar plate, produce local electrical resistance, cause the generation of anti-corona, destroy the stability of electric field, affected arresting efficiency.
The utility model content
Can't on dedusting plate, form uniform water film in order to solve existing wet electrical dust precipitator collecting polar plate, easily produce the dedusting dead angle, thereby make the technical problem of the de-dirt inefficiency of wet electrical dust precipitator.The utility model provides a kind of infiltration type woven wire dust collecting electrode and wet electrical dust precipitator thereof.
Described technical scheme is as follows:
On the one hand, a kind of infiltration type woven wire dust collecting electrode is provided, comprise: dust collecting anode board, dust accumulation frame and water-distributing device, described dust collecting anode board is fixed on described dust accumulation frame, described dust collecting anode board is metal wire mesh plate, it is fixed in the outside of at least one perpendicular of described dust accumulation frame, and each face of other of described dust accumulation frame is provided with metallic plate, and described dust collecting anode board and described metallic plate enclose described dust accumulation frame to connect rear formation one casing; Described water-distributing device is arranged in described casing, for water filling in described casing.
In order to improve the utilization rate of dust collecting anode board, the utility model is provided with the double layer of metal silk screen plate, described dust collecting anode board comprises the first metal wire mesh plate and the second metal wire mesh plate, described the first metal wire mesh plate is individually fixed on two parallel planes of described dust accumulation frame with the second metal wire mesh plate, make the metal wire mesh plate of both sides participate in dedusting simultaneously, greatly improved the efficiency of dust collection of metal wire mesh plate.
Woven wire specification on described dust collecting anode board is the 80-120 order.
Preferably, the woven wire specification on described dust collecting anode board is 100 orders.
Described water-distributing device is a water distributor, and itself and described dust collecting anode board be arranged in parallel, and level is fixed between described the first metal wire mesh plate and the second metal wire mesh plate, and described water distributor is provided with a plurality of spillway holes.
Be provided with a plurality of dividing plates along its short transverse in described dust accumulation frame, described dividing plate is divided into a plurality of chambers by described casing, in each described chamber, is equipped with described water-distributing device.
On the other hand, the utility model also provides a kind of wet electrical dust precipitator, comprise housing and be arranged at needling electrode and the dust collecting electrode of a plurality of alternate settings in described housing, the bottom of described housing is provided with blow-off pipe, for receiving by the sewage rinsed on described dust collecting electrode, described needling electrode is set in parallel in the both sides of described dust collecting electrode, and and described dust collecting electrode between form electric field, it is characterized in that the infiltration type woven wire dust collecting electrode that described control of dust is very described above.
Described case top also is provided with the dirt removal pipeline, and described dirt removal pipeline is provided with the fresh water (FW) outlet, and the outside that the dust collecting anode board in described dust collecting electrode is sprayed in described fresh water (FW) outlet, be attached to the dust on each described dust collecting anode board for flushing.
Distance between adjacent two described dust collecting electrode is 120～600mm.
The outside of described dust collecting anode board is provided with the electric conductivity testing arrangement, the conductance of described electric conductivity testing arrangement for testing described dust collecting anode board.
The beneficial effect that the technical scheme that the utility model provides is brought is:
What A. dust collecting anode board of the present utility model adopted is metal wire mesh plate, metal wire mesh plate forms a casing with together with other metallic plate on dust accumulation frame, dust accumulation frame being enclosed to connect, water-distributing device can be filled with water in casing, water permeates from inside to outside, form uniform moisture film on flexible control of dust metal wire mesh plate surface, moisture film can flow in the grid of metal wire mesh plate, can not form the globule, and can there do not is dry district on metal wire mesh plate yet, effectively enlarged the control of dust surface area, thereby guaranteed that wet electrical dust precipitator is stable, operation reliably.
B. the utility model can also be according to the size of dust collecting anode board, add metal partion (metp) in dust accumulation frame inside, thereby large casing is separated into to a plurality of less chambers, be provided with water-distributing device in each chamber, the setting of metal partion (metp) has strengthened the stability of whole dust accumulation frame to a certain extent, can prevent extending out of flexible metal silk screen plate when inside water pressure is excessive, make the distribution of moisture film on metal wire mesh plate more even simultaneously.
C. the utility model respectively arranges a flexible metal silk screen plate in the both sides of dust accumulation frame, and the distance between two-layer is at 20mm, and water-distributing device is fixed between the double layer of metal silk screen plate, and equally distributed spillway hole is set on water-distributing device.Also in the outside of metal wire mesh plate, be provided with the electric conductivity testing arrangement simultaneously, during application, can, according to the electric conductivity testing arrangement the real time measure dust collecting electrode conductance in the dust collecting electrode outside, adjust the water yield, hydraulic pressure and the flow velocity of water distributor infiltration by the variation of dust collecting electrode conductance.
The accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, in below describing embodiment, the accompanying drawing of required use is briefly described, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is a kind of dust collecting electrode structural representation provided by the utility model;
Fig. 2 is another kind of dust collecting electrode structural representation provided by the utility model;
Fig. 3 is the A-A cross-sectional view in Fig. 2;
Fig. 4 is the combination sketch (without the dirt removal pipeline) of a kind of dust collecting electrode provided by the utility model and needling electrode;
Fig. 5 is the combination sketch (without the dirt removal pipeline) of the second dust collecting electrode provided by the utility model and needling electrode;
Fig. 6 is the combination sketch (with the dirt removal pipeline) of the third dust collecting electrode provided by the utility model and needling electrode;
Fig. 7 is wet electrical dust precipitator structural representation provided by the utility model (with the dirt removal pipeline).
In figure:
The 1-dust accumulation frame; The 2-dust collecting anode board, 21-the first metal wire mesh plate, 22-the second metal wire mesh plate; The 3-water-distributing device; The 4-needling electrode; The 5-blow-off pipe; 6-dirt removal pipeline; The 7-spillway hole; The 8-dividing plate; The 9-metallic plate; The 10-housing; The 11-casing; The 12-chamber.
The specific embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing, the utility model embodiment is described in further detail.
As shown in Figure 1, the utility model provides a kind of wet electrical dust precipitator infiltration type woven wire dust collecting electrode, comprise: dust collecting anode board 2, dust accumulation frame 1 and water-distributing device 3, dust collecting anode board 2 is fixed on dust accumulation frame 1, dust collecting anode board 2 is metal wire mesh plate, it is fixed in the outside at least one plane of dust accumulation frame 1, each face of other of dust accumulation frame 1 is provided with metallic plate 9, dust collecting anode board 2 encloses dust accumulation frame 1 to connect rear formation one casing 11 with metallic plate 9, and the metallic plate 9 here is not for the plank of any mesh; Water-distributing device 3 is arranged in casing 11, for to the interior water filling of casing 11.The preferred version that the utility model adopts as shown in fig. 1, adopt double-level-metal silk screen plate version, dust collecting anode board 2 wherein comprises that the first metal wire mesh plate 21 and the second metal wire mesh plate 22, the first metal wire mesh plates 21 are individually fixed on two parallel planes of dust accumulation frame 1 with the second metal wire mesh plate 22.Wherein the first metal wire mesh plate 21 is 80 orders-120 orders with the woven wire specification on dust collecting anode board 2, and the utility model preferably adopts 100 purpose woven wires.
As shown in Figures 2 and 3, dust accumulation frame 1 is welded by metallic plate 9, wherein former and later two sides are empty hexahedron metal framework, can metal foil be installed in the middle of dust accumulation frame 1 as dividing plate 8 as required, and dust accumulation frame 1 interior separation is become to some less chambers 12.The first metal wire mesh plate 21 wherein and the second metal wire mesh plate 22 are installed on respectively the front and back sides outside of dust accumulation frame 1.Dividing plate 8 the intensity that can strengthen dust accumulation frame 1 is set, thereby strengthened the stability of whole dust accumulation frame 1, simultaneously, can prevent extending out of flexible metal silk screen plate when inside water pressure is excessive.
Water-distributing device in Fig. 1 to Fig. 3 is a water distributor, itself and dust collecting anode board 2 be arranged in parallel, and level is fixed between the first metal wire mesh plate 21 and the second metal wire mesh plate 22, be provided with a plurality of spillway holes 7 on water distributor, flushing water can enter in water distributor, and by the spillway hole 7 in water distributor, enter in the casing 11 surrounded, flushing water can be undertaken to exosmosis by the first metal wire mesh plate 21 and the second metal wire mesh plate 22, and form water film along the lateral surface of metal wire mesh plate, thereby the staubosphere that will adhere to the metal wire mesh plate surface washes.
In addition, as shown in Figure 4 and Figure 5, the utility model is combined the dust collecting electrode shown in Fig. 1 and Fig. 2 and needling electrode 4 respectively, form structure as shown in Figure 6 after many group dust collecting electrode and needling electrode 4 combinations, form wet electrical dust precipitator, it comprises housing 10 and is arranged at needling electrode 4 and the dust collecting electrode of a plurality of alternate settings in housing 10, the bottom of housing 10 is provided with blow-off pipe 5, for receiving by the sewage rinsed on dust collecting electrode, needling electrode 4 is set in parallel in the both sides of dust collecting electrode, and and dust collecting electrode between form electric field, the structure of the dust collecting electrode with the double-level-metal silk screen plate that control of dust is very above-mentioned.
In order to realize that the knoisphere on dust collecting anode board 2 is thoroughly removed, also be provided with the dirt removal pipeline 6 that is exclusively used in dirt removal at housing 10 tops, as shown in Figure 6 and Figure 7.Dirt removal pipeline 6 is provided with the fresh water (FW) outlet, the outside that the dust collecting anode board 2 in dust collecting electrode is sprayed in the fresh water (FW) outlet, be attached to the dust on each described dust collecting anode board 2 for rinsing, dirt removal pipeline 6 can adopt the mode of regular unlatching, in the utility model, the distance between adjacent two dust collecting electrode is 120～600mm.
The utility model also is provided with the electric conductivity testing arrangement in the outside of dust collecting anode board 2, the conductance of electric conductivity testing arrangement for testing dust collecting anode board 2, during application, can, according to the electric conductivity testing arrangement the real time measure dust collecting electrode conductance in the dust collecting electrode outside, adjust the water yield, hydraulic pressure and the flow velocity of water distributor infiltration by the variation of dust collecting electrode conductance.What the electric conductivity testing arrangement here adopted is general electrician's instrument, can purchase on the market.
During application, when voltage raises, a large amount of anions of needling electrode (negative electrode) 4 discharge generation, the dust granules in flue gas is combined with anion to 2 motions of flexible metal wire mesh plate, metal wire mesh plate 2, due to its huge surface area, can be adsorbed on dust granules on metal wire mesh plate 2 efficiently.Water distributor is opened and is supplied water, current are outwards sprayed by spillway hole, until water is full of whole metal dust accumulation frame inside, by the flexible metal silk screen, the water of dust accumulation frame inside is permeated from inside to outside, under the effect of woven wire grid tension force, current form complete and uniform moisture film on flexible metal silk screen plate surface, and deashing water flows to the blow-off pipe below dust collecting electrode under Action of Gravity Field; Open the dirt removal pipeline 6 of dust collecting electrode top, by residual viscous, the dust at the using flexible wire net surface directly washes away to blow-off pipe current, realizes thorough deashing, reaches the purpose of electrostatic precipitation.Because the infiltration type water distribution is slowly and uniform natural infiltration mode from inside to outside, and the measure of setting up dividing plate by inside, controlled the water yield and hydraulic pressure in certain area, the outer problem that extends to distortion can not occur in the flexible metal silk screen plate; Can not produce dry district on silk screen plate surface, flexible metal, can not form the globule on the dust collecting anode board surface, dust granules can not occur and rinse unclean and dust secondary back-mixing problem.
Above-mentioned the utility model embodiment sequence number, just to describing, does not represent the quality of embodiment.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (10)
1. an infiltration type woven wire dust collecting electrode, comprise: dust collecting anode board (2), dust accumulation frame (1) and water-distributing device (3), described dust collecting anode board (2) is fixed on described dust accumulation frame (1), it is characterized in that, described dust collecting anode board (2) is metal wire mesh plate, it is fixed in the outside of at least one perpendicular of described dust accumulation frame (1), other each face of described dust accumulation frame (1) is provided with metallic plate (9), described dust collecting anode board (2) encloses described dust accumulation frame (1) to connect rear formation one casing (11) with described metallic plate (9), described water-distributing device is arranged in described casing (11), for to the interior water filling of described casing (11).
2. infiltration type woven wire dust collecting electrode according to claim 1, it is characterized in that, described dust collecting anode board (2) comprises the first metal wire mesh plate (21) and the second metal wire mesh plate (22), and described the first metal wire mesh plate (21) is individually fixed on two parallel planes of described dust accumulation frame (1) with the second metal wire mesh plate (22).
3. infiltration type woven wire dust collecting electrode according to claim 2, is characterized in that, the woven wire specification on described dust collecting anode board (2) is the 80-120 order.
4. infiltration type woven wire dust collecting electrode according to claim 3, is characterized in that, the woven wire specification on described dust collecting anode board is 100 orders.
5. according to the arbitrary described infiltration type woven wire dust collecting electrode of claim 2-4, it is characterized in that, described water-distributing device (3) is a water distributor, itself and described dust collecting anode board (2) be arranged in parallel, and level is fixed between described the first metal wire mesh plate (21) and the second metal wire mesh plate (22), and described water distributor is provided with a plurality of spillway holes (7).
6. infiltration type woven wire dust collecting electrode according to claim 5, it is characterized in that, be provided with a plurality of dividing plates (8) along its short transverse in described dust accumulation frame (1), described dividing plate (8) is divided into a plurality of chambers (12) by described casing (11), in each described chamber (12), is equipped with described water-distributing device (3).
7. a wet electrical dust precipitator, comprise housing (10) and be arranged at needling electrode (4) and the dust collecting electrode of a plurality of alternate settings in described housing (10), the bottom of described housing (10) is provided with blow-off pipe (5), for receiving by the sewage rinsed on described dust collecting electrode, described needling electrode (4) is set in parallel in the both sides of described dust collecting electrode, and and form electric field between described dust collecting electrode, it is characterized in that, described control of dust is the arbitrary described infiltration type woven wire dust collecting electrode of claim 1-6 very.
8. wet electrical dust precipitator according to claim 7, it is characterized in that, described housing (10) top also is provided with dirt removal pipeline (6), described dirt removal pipeline (6) is provided with the fresh water (FW) outlet, the outside that the dust collecting anode board (2) in described dust collecting electrode is sprayed in described fresh water (FW) outlet, be attached to the dust on each described dust collecting anode board (2) for flushing.
9. wet electrical dust precipitator according to claim 8, is characterized in that, the distance between adjacent two described dust collecting electrode is 120～600mm.
10. according to the arbitrary described wet electrical dust precipitator of claim 7-9, it is characterized in that, the outside of described dust collecting anode board (2) is provided with the electric conductivity testing arrangement, the conductance of described electric conductivity testing arrangement for testing described dust collecting anode board (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320433002.0U CN203370651U (en) | 2013-07-19 | 2013-07-19 | Penetration type metal wire mesh dust collecting electrode and wet-type electric dust remover thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320433002.0U CN203370651U (en) | 2013-07-19 | 2013-07-19 | Penetration type metal wire mesh dust collecting electrode and wet-type electric dust remover thereof |
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| Publication Number | Publication Date |
|---|---|
| CN203370651U true CN203370651U (en) | 2014-01-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320433002.0U Withdrawn - After Issue CN203370651U (en) | 2013-07-19 | 2013-07-19 | Penetration type metal wire mesh dust collecting electrode and wet-type electric dust remover thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103386364A (en) * | 2013-07-19 | 2013-11-13 | 南京通用电气装备有限公司 | Penetration-type wire mesh dust-collection pole and wet-type electric deduster |
| CN106076628A (en) * | 2016-06-07 | 2016-11-09 | 浙江天蓝环保技术股份有限公司 | A kind of vertical Wet type electric dust-removing device |
| CN112237990A (en) * | 2019-07-18 | 2021-01-19 | 上海必修福企业管理有限公司 | Dust collecting electrode and dust remover |
-
2013
- 2013-07-19 CN CN201320433002.0U patent/CN203370651U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103386364A (en) * | 2013-07-19 | 2013-11-13 | 南京通用电气装备有限公司 | Penetration-type wire mesh dust-collection pole and wet-type electric deduster |
| CN103386364B (en) * | 2013-07-19 | 2016-08-24 | 南京通用电气装备有限公司 | A kind of infiltration type metal gauze dust collecting electrode and wet electrical dust precipitator thereof |
| CN106076628A (en) * | 2016-06-07 | 2016-11-09 | 浙江天蓝环保技术股份有限公司 | A kind of vertical Wet type electric dust-removing device |
| CN112237990A (en) * | 2019-07-18 | 2021-01-19 | 上海必修福企业管理有限公司 | Dust collecting electrode and dust remover |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140101 Effective date of abandoning: 20160824 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |