CN203017931U - Electric bag dust remover - Google Patents
Electric bag dust remover Download PDFInfo
- Publication number
- CN203017931U CN203017931U CN 201220558925 CN201220558925U CN203017931U CN 203017931 U CN203017931 U CN 203017931U CN 201220558925 CN201220558925 CN 201220558925 CN 201220558925 U CN201220558925 U CN 201220558925U CN 203017931 U CN203017931 U CN 203017931U
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- CN
- China
- Prior art keywords
- deflector
- bag
- electrostatic fabric
- fabric filter
- dust removal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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Abstract
The utility model discloses an electric bag dust remover comprising an electric dust removal region, a bag dust removal region and a flow guide device, wherein the flow guide device comprises a housing and a plurality of deflectors; the plurality of deflectors are fixed in the housing from top to bottom and form a plurality of airflow channels; for the two adjacent deflectors, the tail end of the deflector located at the upper side and the front end of the deflector located at the lower side are located in the same horizontal plane; and the tail end of the deflector located at the bottom and the bottom surface of the filter bag located in the most front row are located in the same horizontal plane. The electric bag dust remover is characterized in that the flow guide device which is arranged between the electric dust removal region and the bag dust removal region is capable of relieving scouring of the airflow to the filter bag in the front row of the bag dust region, so that the airflow in the bag dust removal region is evenly distributed and the load of the filter bag in the front row is reduced; and in addition, the resistance between the electric dust removal region and the bag dust removal region is reduced, and the airflow is prevented from returning to the electric dust removal region so as to avoid affecting the dust removal efficiency of the electric dust removal region.
Description
Technical field
[0001] the utility model relates to the dedusting technology field, refers in particular to a kind of electrostatic fabric filter.
Background technology
[0002] electrostatic fabric filter is a kind of novel dust arrester, and the advantage that it combines electric cleaner and bag dust collector possesses reliability, and floor space is little, and investment and maintenance cost are low, the characteristics such as high efficiency of dust collection.At present, in electrostatic fabric filter, the electric precipitation district mainly contains two kinds with the mode that the dedusting area of being connected connects, a kind of is direct connection, air-flow process electric precipitation district directly enters a bag dedusting area, the filter bag at bag dedusting area front row is washed away larger, cause the filter bag serious wear, secondly, also cause air-flow skewness in bag dedusting area, front-seat filter bag load is larger; Another kind is to adopt porous plate to connect, but porous plate can cause resistance increment, and the part air-flow even can reflux and enter the electric precipitation district, affects the efficiency of dust collection in electric precipitation district.
Summary of the invention
The utility model provides a kind of electrostatic fabric filter, and it can overcome the defective of prior art, and the filter bag wearing and tearing are few, and air-flow is evenly distributed, and can effectively avoid airflow reflux, reduces running resistance, thereby improves the efficiency of dust collection of electrostatic fabric filter.
The purpose of this utility model is achieved in that
A kind of electrostatic fabric filter, it includes electric precipitation district, bag dedusting area and guiding device, described guiding device is installed between described electric precipitation district and described bag dedusting area, and described guiding device is provided with many gas channels that communicate with described electric precipitation district and described bag dedusting area.
By between described electric precipitation district and described bag dedusting area, guiding device being set, through described electric precipitation district during to described bag dedusting area, can to air-flow play guiding function by described guiding device when air-flow.By between the electric precipitation district of described electrostatic fabric filter and bag dedusting area, guiding device being set, increase between described electric precipitation district and described bag dedusting area and be communicated with area, running resistance between described electric precipitation district and described bag dedusting area is reduced, prevented that airflow reflux from entering the electric precipitation district, affected electrostatic fabric filter work.
In embodiment, be provided with many row's filter bags in described bag dedusting area therein; Described guiding device includes housing and polylith deflector, the described deflector of polylith is fixed in described housing from top to bottom and forms many described gas channels, in adjacent two deflectors, the tail end of superposed described deflector and the described head end that is positioned at the described deflector of bottom are on same level, and the tail end of the described deflector bottom being positioned at is on same level with the bottom surface that is positioned at the most front-seat described filter bag.
After the district's dedusting of flue gas process electric precipitation, when the air-flow on top moves to bag dedusting area direction, can run into described deflector, because the head end of the tail end of the described deflector of lastblock and the described deflector of next piece is positioned on same level, most air flow direction will be changed, then flow to the middle and lower part of described bag dedusting area, air-flow is evenly distributed, avoided flue gas excessive and front-seat filter bag is caused wash away, reduce the load of front-seat filter bag, and avoid airflow reflux to enter the electric precipitation district, affect the efficiency of dust collection in electric precipitation district.
The air-flow of bottom, described electric precipitation district directly by described guiding device the gas channel of below flow to a bag dedusting area, together flow to the outlet of described bag dedusting area by the air-flow of the gas channel on described guiding device top with top, described electric precipitation district, the mode of bottom air inlet also helps the dust removing effects that improves described bag of dedusting area so again.
Therein in embodiment, described deflector be shaped as arc.The described deflector of arc is more evenly distributed air-flow.
Therein in embodiment, the described deflector of polylith its radian and arc length from top to bottom increases gradually.
Between adjacent two described deflectors, the gas channel circulation area between uppermost described deflector and housing upper wall surface increases gradually, and during the described gas channel of airflow passes, speed can reduce, thereby alleviates air-flow washing away front-seat filter bag.
In embodiment, described guiding device includes 3 deflectors, is respectively the first deflector, the second deflector and the 3rd deflector from top to bottom therein.
Therein in embodiment, the radian of described the first deflector is 20 °, and the arc length of described the first deflector is 0.45 times of described filter bag length, the radian of described the second deflector is 40 °, and the arc length of described the second deflector is 0.50 times of described filter bag length, the radian of described the 3rd deflector is 70 °, and the arc length of described the 3rd deflector is 0.65 times of described filter bag length.
In embodiment, the described deflector of polylith adopts the mode of welding to be connected with described housing therein.
In embodiment, the upper and lower side of described housing is connected with the inwall up and down of described electrostatic fabric filter respectively therein, and the left and right side of described housing is connected with the left and right inwall of described electrostatic fabric filter respectively.
The utility model electrostatic fabric filter compared with prior art has following beneficial effect:
The utility model electrostatic fabric filter is by arranging guiding device in electric precipitation district and bag between dedusting area, can reduce air-flow to the washing away of the filter bag at bag dedusting area front row, and the air-flow in bag dedusting zone is evenly distributed, and reduces the load of front-seat filter bag.On the other hand, reduce electric precipitation district and the resistance of bag between dedusting area, avoid airflow reflux electric precipitation district, and affect the efficiency of dust collection in electric precipitation district.
Description of drawings
Fig. 1 is the installation site schematic diagram of the utility model electrostatic fabric filter guiding device;
Fig. 2 is the structural representation of guiding device in the utility model;
Fig. 3 is the left view of guiding device in the utility model.
The specific embodiment
As shown in Figure 1, the utility model electrostatic fabric filter, it includes electric precipitation district 11, bag dedusting area 12 and guiding device 13, described guiding device 13 is installed between described electric precipitation district 11 and described bag dedusting area 12, and described guiding device 13 is provided with many gas channels 20 that communicate with described electric precipitation district 11 and described bag dedusting area 12.Flue gas is through after described electric precipitation district's 11 dedustings, more described gas channels 20 by described guiding device 13, enters into described bag dedusting area 12 and carries out dedusting.Wherein, be provided with many row's filter bags in described bag dedusting area 12, the set-up mode of arranging described filter bag has belonged to prior art, and the utility model does not repeat them here.
As shown in Figures 2 and 3, described guiding device 13 includes housing 14 and n piece deflector, the upper and lower side of described housing 14 is connected with the internal face up and down of described electrostatic fabric filter respectively, and the left and right wall of described housing 14 is connected with the left and right wall of described electrostatic fabric filter; The described deflector of n piece is fixed in described housing 14 from top to bottom, and described deflector and described housing 14, adjacent two described deflectors have formed n+1 bar gas channel 20.In this preferred embodiment, described deflector adopts the mode of welding to be fixedly connected with described housing 14.
In the utility model, described deflector is head end near an end in described electric precipitation district 11, and is tail end near an end of described bag dedusting area 12.The head end of the described deflector of polylith all is positioned on same perpendicular, and same, the tail end of the described deflector of polylith also is positioned on same perpendicular.In adjacent two deflectors, the tail end of superposed described deflector and the described head end that is positioned at the described deflector of bottom are on same level, and the tail end that is positioned at the described deflector of bottom is on same level with the bottom surface that described bag dedusting area 12 is positioned at the most front-seat described filter bag.
after district's 11 dedustings of flue gas process electric precipitation, when the air-flow on top moves to bag dedusting area 12 directions, can run into described deflector, because the head end of the tail end of the described deflector of lastblock and the described deflector of next piece is positioned on same level, most air flow direction will be changed (flow direction that is as shown by the arrows in Figure 2 air-flow), then flow to the middle and lower part of described bag dedusting area 12, air-flow is evenly distributed, avoided flue gas excessive and front-seat filter bag is caused wash away, reduce the load of front-seat filter bag, and avoid airflow reflux to enter the electric precipitation district, affect the efficiency of dust collection in electric precipitation district.
The air-flow of 11 bottoms, described electric precipitation district directly by described guiding device the gas channel of below flow to a bag dedusting area 12, together flow to again the outlet of described bag dedusting area 12 with 11 tops, described electric precipitation district by the air-flow of the gas channel on described guiding device top, adopt like this mode of bottom air inlet to also help the dust removing effects that improves described bag dedusting area 12.
Described deflector be shaped as arc, the described deflector of arc is more evenly distributed air-flow, and the described deflector of polylith its radian and arc length increase gradually from top to bottom.Between adjacent two described deflectors, the gas channel circulation area between uppermost described deflector and housing 14 upper wall surfaces increases gradually, and during the described gas channel of airflow passes, speed can reduce, thereby alleviates air-flow washing away front-seat filter bag.
In this preferred embodiment, described guiding device 13 includes 3 deflectors, is respectively the first deflector 15, the second deflector 16 and the 3rd deflector 16 from top to bottom.In the present embodiment, the radian of described the first deflector 15 is 20 °, and the arc length of described the first deflector 15 is 0.45 times of described filter bag length, the radian of described the second deflector 16 is 40 °, and the arc length of described the second deflector 16 is 0.50 times of described filter bag length, the radian of described the 3rd deflector 17 is 70 °, and the arc length of described the 3rd deflector 17 is 0.65 times of described filter bag length.
The above embodiment has only expressed several embodiments of this utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to written or printed documents utility model patent scope.Should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (7)
1. electrostatic fabric filter, it includes electric precipitation district and bag dedusting area, it is characterized in that, it also includes guiding device, described guiding device is installed between described electric precipitation district and described bag dedusting area, and described guiding device is provided with many gas channels that communicate with described electric precipitation district and described bag dedusting area; Be provided with many row's filter bags in described bag dedusting area, described guiding device includes housing and polylith deflector, the described deflector of polylith is fixed in described housing from top to bottom and forms many described gas channels, in adjacent two deflectors, the tail end of superposed described deflector and the described head end that is positioned at the described deflector of bottom are on same level, and the tail end of the described deflector bottom being positioned at is on same level with the bottom surface that is positioned at the most front-seat described filter bag.
2. electrostatic fabric filter according to claim 1, is characterized in that, described deflector be shaped as arc.
3. electrostatic fabric filter according to claim 2, is characterized in that, the described deflector of polylith its radian and arc length from top to bottom increases gradually.
4. electrostatic fabric filter according to claim 3, is characterized in that, described guiding device includes 3 deflectors, is respectively the first deflector, the second deflector and the 3rd deflector from top to bottom.
5. electrostatic fabric filter according to claim 4, it is characterized in that, the radian of described the first deflector is 20 °, and the arc length of described the first deflector is 0.45 times of described filter bag length, the radian of described the second deflector is 40 °, and the arc length of described the second deflector is 0.50 times of described filter bag length, and the radian of described the 3rd deflector is 70 °, and the arc length of described the 3rd deflector is 0.65 times of described filter bag length.
6. electrostatic fabric filter according to claim 1, is characterized in that, the described deflector of polylith adopts the mode of welding to be connected with described housing.
7. electrostatic fabric filter according to claim 1, is characterized in that, the upper and lower side of described housing is connected with the inwall up and down of described electrostatic fabric filter respectively, and the left and right side of described housing is connected with the left and right inwall of described electrostatic fabric filter respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220558925 CN203017931U (en) | 2012-10-29 | 2012-10-29 | Electric bag dust remover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220558925 CN203017931U (en) | 2012-10-29 | 2012-10-29 | Electric bag dust remover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203017931U true CN203017931U (en) | 2013-06-26 |
Family
ID=48641949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220558925 Withdrawn - After Issue CN203017931U (en) | 2012-10-29 | 2012-10-29 | Electric bag dust remover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203017931U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102872673A (en) * | 2012-10-29 | 2013-01-16 | 广东电网公司电力科学研究院 | Electric bag dust collector |
-
2012
- 2012-10-29 CN CN 201220558925 patent/CN203017931U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102872673A (en) * | 2012-10-29 | 2013-01-16 | 广东电网公司电力科学研究院 | Electric bag dust collector |
| CN102872673B (en) * | 2012-10-29 | 2015-06-24 | 广东电网公司电力科学研究院 | Electric bag dust collector |
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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: 20130626 Effective date of abandoning: 20150624 |
|
| RGAV | Abandon patent right to avoid regrant |