CN203525871U - Airflow distribution uniformizing device for electrostatic precipitator - Google Patents
Airflow distribution uniformizing device for electrostatic precipitator Download PDFInfo
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- CN203525871U CN203525871U CN201320693730.5U CN201320693730U CN203525871U CN 203525871 U CN203525871 U CN 203525871U CN 201320693730 U CN201320693730 U CN 201320693730U CN 203525871 U CN203525871 U CN 203525871U
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- electrostatic precipitator
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- distribution board
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Abstract
The utility model discloses an airflow distribution uniformizing device for an electrostatic precipitator. The airflow distribution uniformizing device comprises a horn-mouth-shaped precipitator inlet, wherein two parallel airflow distribution plates are arranged in the precipitator inlet, airflow holes are formed in the airflow distribution plates, and triangular guide plates are arranged on the airflow distribution plates; the triangular guide plate arranged on the airflow distribution plate next to the air inlet side of the precipitator is a transverse triangular guide plate, and the triangular guide plate arranged on the other airflow distribution plate is a longitudinal triangular guide plate; the triangular guide plates are vertical to the airflow distribution plates, and the transverse triangular guide plate is vertical to the longitudinal triangular guide plate. The dust removal efficiency of the electrostatic precipitator is increased; as only the triangular guide plates are additionally arranged, the structure is not complex, and the cost is low.
Description
Technical field
The utility model relates to a kind of electrostatic precipitator, relates in particular to a kind of electrostatic precipitator flow distribution evenness device.
Background technology
Along with industrial expansion, the waste gas severe contamination that large enterprise discharges people's living environment.In order to realize the development of sustainability, preserve the ecological environment, for deduster electrostatic precipitator, be therefore a kind of dedusting method very efficiently, be applicable to the occasion that various dust are removed.The operation principle of electrostatic precipitator is to utilize high voltage electric field that flue gas is ionized, dust in air-flow charged under electric field action with flow separation.The uniformity that in electric cleaner, air-flow distributes has considerable influence to efficiency of dust collection.Efficiency of dust collection and air velocity are inversely proportional to, and when Velocity Profiles is inhomogeneous, the efficiency of dust collection that flow velocity lower increases is far not enough to make up the decline of flow velocity eminence efficiency, thereby total efficiency declines.When the situation of the equal wind weak effect of Velocity Profiles, forming section region gas flow rate is fast, and subregion air-flow velocity is low.So just there will be some adverse consequences (1) owing to having there is the high and low speed of air-flow district in electric field, just there is eddy current and dead angle in some position in electric field, thereby has affected the charged and collection of dust in flue gas.(2), owing to there being the high and low speed of air-flow district in electric field, cause each region electric field migration velocity inhomogeneous.At gas flow rate, cross when slow or too fast, electric field migration velocity all can reduce, thereby makes electric field internal electric field strength decreased, and the efficiency of dust collection of deduster declines.(3) dust deposits on positive plate after charged in electric field, and the dust settling of collecting on positive plate all needs the regular hour in ash, and in electric field, local high velocity air can make dust charged in gas have little time sedimentation and just be taken out of deduster.(4) high velocity air in electric field, eddy current can produce and wash away pole plate, polar curve, ash bucket, the dust that pole plate, polar curve face are collected, in ash bucket, the dust of deposition produces secondary fly-up, is again taken to the outlet of subsequent electric field or deduster, causes the efficiency of dust collection of electric cleaner greatly to reduce.
In order to improve electrostatic precipitator flow distribution evenness, the patent No. is that 201010589047.8 Chinese invention patent discloses a kind of air current distribution plate at inlet of electrostatic dust collector on May 18th, 2011, its special feature is that airflow-distribution board is dish, by at least two regions, be spliced, it is by arranging dish-shaped airflow-distribution board, make the reducing place at electrostatic precipitator entrance, airflow-distribution board reduces the flow velocity of zone line gas and flow, and the flow velocity of fringe region gas and flow increase, effectively suppressed eddy current, make the air-flow that enters electrostatic precipitator be piston-shaped and be evenly distributed.Although it can improve the uniformity that air-flow distributes, and also makes undoubtedly the structure of airflow-distribution board become more complicated, has increased cost.
Utility model content
Technical problem to be solved in the utility model is just to provide a kind of electrostatic precipitator flow distribution evenness device, the airflow homogeneity that makes to enter in electric cleaner enters, thereby improve the efficiency of dust collection of electric precipitation, also will guarantee to be unlikely to complicated in structure, on cost, be unlikely to too high simultaneously.
For solving the problems of the technologies described above, the utility model adopts following technical scheme: a kind of electrostatic precipitator flow distribution evenness device, the deduster entrance that comprises toroidal, in described deduster entrance, be provided with two parallel airflow-distribution boards, described airflow-distribution board is provided with airflow hole, described airflow-distribution board is provided with triangle deflector, wherein, triangle deflector in abutting connection with the airflow-distribution board setting of deduster air inlet side is transverse triangle deflector, the triangle deflector of an other airflow-distribution board setting is longitudinal triangle deflector, described triangle deflector is vertical with airflow-distribution board, described transverse triangle deflector is with longitudinally triangle deflector is vertical.
Preferably, described triangle deflector comprises the v-shaped plate of a triangle steel plate and a bending, and triangle steel plate and v-shaped plate are welded and fixed, and triangle deflector is suspended on airflow hole by v-shaped plate.
Preferably, the aperture in described airflow-distribution board overdraught hole is Φ 85mm, and percent opening is 45%.
Preferably, the percent opening of described airflow-distribution board therefrom mind-set outer circumferential side become gradually large.
Preferably, described airflow-distribution board by the cell board of some rectangles side by side amalgamation form, described cell board both sides of the edge are provided with flanging.
Preferably, the air inlet side of described deduster entrance connects the air inlet pipe of one 90 degree, and described air inlet pipe is provided with guide vane at rocket motor place.
The utility model is vertically installed with triangle deflector in airflow-distribution board one side, this triangle deflector has choked flow and adds flow guiding type air-flow distribution effect, thereby the air-flow that makes to enter in electrostatic precipitator is more even, improved the efficiency of dust collection of electrostatic precipitation, because only need increase triangle deflector, structure is also uncomplicated, and cost is also very cheap.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is further described:;
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of triangle deflector;
Fig. 3 is the front view (for triangle deflector is installed) of airflow-distribution board;
Fig. 4 is the side view (for triangle deflector is installed) of airflow-distribution board.
The specific embodiment
As shown in Figure 1, a kind of electrostatic precipitator flow distribution evenness device, comprises and the deduster entrance 1 of toroidal in described deduster entrance, is provided with two parallel airflow-distribution boards 10.In deduster installation site, be restricted, in the time of need to adopting right angle entrance, the air inlet side of described deduster entrance 1 connects the air inlet pipe 2 of one 90 degree, described air inlet pipe is provided with guide vane 20 at rocket motor place, air-flow can be guided by guide vane at rocket motor place, and then enters deduster through airflow-distribution board 10.Described airflow-distribution board 10 is provided with triangle deflector 11, wherein, triangle deflector in abutting connection with the airflow-distribution board setting of deduster air inlet side is transverse triangle deflector, the triangle deflector of an other airflow-distribution board setting is longitudinal triangle deflector, described triangle deflector is vertical with airflow-distribution board, described transverse triangle deflector is with longitudinally triangle deflector is vertical, and transverse triangle deflector and longitudinally concrete magnitude setting and the position of triangle deflector arrange as requested.
As shown in Figure 2, described triangle deflector 11 comprises the v-shaped plate 111 of a triangle steel plate 110 and a bending, and triangle steel plate and v-shaped plate are welded and fixed, and triangle deflector is suspended on airflow hole by v-shaped plate.
As shown in Figure 3 and Figure 4, described airflow-distribution board 10 is provided with airflow hole 102, described airflow-distribution board 10 by the cell board 101 of some rectangles side by side amalgamation form, described cell board both sides of the edge are provided with flanging 103.3, electrostatic precipitator flow distribution evenness device according to claim 1, is characterized in that: the aperture in described airflow-distribution board overdraught hole 102 is Φ 85mm, and percent opening is 45%.The percent opening of described airflow-distribution board therefrom mind-set outer circumferential side becomes large gradually.
The tube shaped that the uniformity coefficient that air-flow distributes and deduster are imported and exported and the structure of airflow distribution device have substantial connection.When unrestricted in the installation site of electric cleaner, air-flow enters deduster through deduster entrance, and then enters deduster electric field through 1～2 parallel airflow-distribution board.In this case, the uniformity coefficient that air-flow distributes depends on angle of flare and distributing plate structure.
In the utility model, air inlet pipe 2 is provided with guide vane 20 at rocket motor place, on airflow-distribution board 10, arrange laterally and triangle deflector 11 longitudinally simultaneously, adopted choked flow to add flow guiding type airflow distribution device, though be both porous plate, Φ 85 is arrived greatly in aperture, percent opening 45%, resistance is less, and will never plug-hole.And air-flow distribution unit plate both sides are provided with the flanging of guide functions, increased widely airflow-distribution board rigidity, even under great eddy current effect, also will never as general flat board, produce and tear.On this basis, at suitable position, add triangle deflector, this not only can guarantee the uniformity that air-flow distributes, and it is similar to venetian blind type mechanical dust collector, can carry out elementary dedusting to entering the flue gas of electric cleaner, its efficiency of dust collection is quite obvious.
Claims (6)
1. an electrostatic precipitator flow distribution evenness device, the deduster entrance (1) that comprises toroidal, in described deduster entrance, be provided with two parallel airflow-distribution boards (10), described airflow-distribution board (10) is provided with airflow hole (102), it is characterized in that: described airflow-distribution board (10) is provided with triangle deflector (11), wherein, triangle deflector in abutting connection with the airflow-distribution board setting of deduster air inlet side is transverse triangle deflector, the triangle deflector of an other airflow-distribution board setting is longitudinal triangle deflector, described triangle deflector is vertical with airflow-distribution board, described transverse triangle deflector is with longitudinally triangle deflector is vertical.
2. electrostatic precipitator flow distribution evenness device according to claim 1, it is characterized in that: described triangle deflector (11) comprises the v-shaped plate (111) of a triangle steel plate (110) and a bending, triangle steel plate and v-shaped plate are welded and fixed, and triangle deflector is suspended on airflow hole by v-shaped plate.
3. electrostatic precipitator flow distribution evenness device according to claim 1, is characterized in that: the aperture in described airflow-distribution board overdraught hole (102) is Φ 85mm, and percent opening is 45%.
4. electrostatic precipitator flow distribution evenness device according to claim 3, is characterized in that: the percent opening of described airflow-distribution board therefrom mind-set outer circumferential side becomes large gradually.
5. according to the electrostatic precipitator flow distribution evenness device described in claim 1 to 4 any one, it is characterized in that: described airflow-distribution board (10) by the cell board (101) of some rectangles side by side amalgamation form, described cell board both sides of the edge are provided with flanging (103).
6. electrostatic precipitator flow distribution evenness device according to claim 5, is characterized in that: the air inlet side of described deduster entrance (1) connects the air inlet pipe (2) of one 90 degree, and described air inlet pipe is provided with guide vane (20) at rocket motor place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320693730.5U CN203525871U (en) | 2013-11-05 | 2013-11-05 | Airflow distribution uniformizing device for electrostatic precipitator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320693730.5U CN203525871U (en) | 2013-11-05 | 2013-11-05 | Airflow distribution uniformizing device for electrostatic precipitator |
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| CN203525871U true CN203525871U (en) | 2014-04-09 |
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| CN201320693730.5U Expired - Fee Related CN203525871U (en) | 2013-11-05 | 2013-11-05 | Airflow distribution uniformizing device for electrostatic precipitator |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105170325A (en) * | 2015-10-09 | 2015-12-23 | 孙国宏 | Novel settling chamber inlet of electric precipitator |
| CN105457755A (en) * | 2015-12-30 | 2016-04-06 | 铜陵有色金属集团股份有限公司铜冠冶化分公司 | Wet type electric dust collector suitable for positive-pressure operation conditions |
| CN105880020A (en) * | 2016-04-07 | 2016-08-24 | 浙江南源环境工程技术有限公司 | System for guaranteeing electric field inlet airflow uniformity of wet electric dust remover |
| CN106140477A (en) * | 2015-03-29 | 2016-11-23 | 白连福 | A kind of Novel electrical dust collector |
| CN107042046A (en) * | 2017-02-09 | 2017-08-15 | 河北宏达环境工程有限公司 | A kind of airflow distribution device of electrostatic fabric filter |
| CN107175169A (en) * | 2017-05-12 | 2017-09-19 | 浙江大学 | Humidification stream pre electrified particulate matter reinforcing removing system |
| CN110193275A (en) * | 2018-09-08 | 2019-09-03 | 浙江大维高新技术股份有限公司 | A kind of garbage-incineration smoke purifying method and device |
| CN112246062A (en) * | 2020-10-28 | 2021-01-22 | 浙江天地环保科技股份有限公司 | Integrated multi-pollutant collaborative removal system |
| CN113734833A (en) * | 2020-05-28 | 2021-12-03 | 中国石油化工股份有限公司 | Efficient dust removal equipment and method for high-speed unloading in narrow space |
| CN114432860A (en) * | 2021-12-14 | 2022-05-06 | 武汉龙净环保工程有限公司 | Synergistic removal method for sulfur, nitrate and dust in cement flue gas |
| CN114985109A (en) * | 2022-07-03 | 2022-09-02 | 中国重型机械研究院股份公司 | Lower air inlet flow uniform distribution device of vertical cylindrical wet-type electric precipitator |
-
2013
- 2013-11-05 CN CN201320693730.5U patent/CN203525871U/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106140477A (en) * | 2015-03-29 | 2016-11-23 | 白连福 | A kind of Novel electrical dust collector |
| CN105170325A (en) * | 2015-10-09 | 2015-12-23 | 孙国宏 | Novel settling chamber inlet of electric precipitator |
| CN105457755A (en) * | 2015-12-30 | 2016-04-06 | 铜陵有色金属集团股份有限公司铜冠冶化分公司 | Wet type electric dust collector suitable for positive-pressure operation conditions |
| CN105457755B (en) * | 2015-12-30 | 2017-04-12 | 铜陵有色金属集团股份有限公司铜冠冶化分公司 | Wet type electric dust collector suitable for positive-pressure operation conditions |
| CN105880020A (en) * | 2016-04-07 | 2016-08-24 | 浙江南源环境工程技术有限公司 | System for guaranteeing electric field inlet airflow uniformity of wet electric dust remover |
| CN107042046B (en) * | 2017-02-09 | 2024-04-05 | 河北宏达环境工程有限公司 | Air flow distribution device of electric bag dust collector |
| CN107042046A (en) * | 2017-02-09 | 2017-08-15 | 河北宏达环境工程有限公司 | A kind of airflow distribution device of electrostatic fabric filter |
| CN107175169A (en) * | 2017-05-12 | 2017-09-19 | 浙江大学 | Humidification stream pre electrified particulate matter reinforcing removing system |
| CN110193275A (en) * | 2018-09-08 | 2019-09-03 | 浙江大维高新技术股份有限公司 | A kind of garbage-incineration smoke purifying method and device |
| CN113734833A (en) * | 2020-05-28 | 2021-12-03 | 中国石油化工股份有限公司 | Efficient dust removal equipment and method for high-speed unloading in narrow space |
| CN112246062A (en) * | 2020-10-28 | 2021-01-22 | 浙江天地环保科技股份有限公司 | Integrated multi-pollutant collaborative removal system |
| CN114432860A (en) * | 2021-12-14 | 2022-05-06 | 武汉龙净环保工程有限公司 | Synergistic removal method for sulfur, nitrate and dust in cement flue gas |
| CN114985109A (en) * | 2022-07-03 | 2022-09-02 | 中国重型机械研究院股份公司 | Lower air inlet flow uniform distribution device of vertical cylindrical wet-type electric precipitator |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140409 Termination date: 20171105 |
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| CF01 | Termination of patent right due to non-payment of annual fee |