CN2805889Y - Even airflow type static bag combined dust collector - Google Patents
Even airflow type static bag combined dust collector Download PDFInfo
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- CN2805889Y CN2805889Y CN 200520078987 CN200520078987U CN2805889Y CN 2805889 Y CN2805889 Y CN 2805889Y CN 200520078987 CN200520078987 CN 200520078987 CN 200520078987 U CN200520078987 U CN 200520078987U CN 2805889 Y CN2805889 Y CN 2805889Y
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Abstract
The utility model relates to an even airflow type electricity bag combined dust collector which comprises a casing body, an air inlet and an air outlet which are connected with the casing body, and a dust bucket, wherein an electrostatic dust collecting unit and a bag dust collecting unit are orderly arranged in the casing body along a horizontal direction, the upper end of an electric field of the electrostatic dust collecting unit horizontally aligns with the upper end of a filter bag of the bag dust collecting unit, and the length of the filter bag of the bag dust collecting unit is 2/3 to 3/4 of the height of the electric field of the electrostatic dust collecting unit; an airflow distributing board is arranged between the electrostatic dust collecting unit and the bag dust collecting unit, and a guide board is arranged on the lower part of the airflow distributing board near the dust bucket. The utility model ensures the even airflow distribution of the electrostatic dust collecting unit, prevents the airflow from directly impacting the filter bag so as to ensure efficiency of electrostatic dust collection and prolong service life of the filter bag. Meanwhile, the airflow distributing board can also eliminate the high voltage electric field of the electrostatic dust collecting unit to influence the bag dust collecting unit, and thus, the filter bag is effectively protected and the service life of the filter bag is prolonged.
Description
Affiliated technical field
The utility model belongs to a kind of environmental protection cleaner, and specifically, it is a kind of uniform flow type electric-bag complex dust collector.
Background technology
In prior art, electrostatic precipitator and sack cleaner be most widely used, two kinds of dedusters that efficiency of dust collection is higher.Electrostatic precipitator has up to the efficiency of dust collection more than 99%, but this efficiency of dust collection can be subjected to the influence of exhaust gas dust than resistance characteristic, that is to say, its efficiency of dust collection can be along with the different of the variation of boiler operating state and fire coal species and be changed, and it is that particle diameter is that the capture rate of the fine particulates below 2.5 microns is lower to ultrafine dust, and this part ultrafine dust is very big to health and ecological environment harm.Described sack cleaner has higher efficiency of dust collection too, and is particularly very high to the ultrafine dust capture rate, but its running resistance is big, also has filter bag to corrode easily and is subjected to shortcomings such as the flue-gas temperature condition restriction is big.Static and pocket type complex dust collector are the combinations of electrostatic precipitator and sack cleaner, it collects a large amount of coarse dust in the dusty gas with electrostatic precipitator earlier, collect a spot of grain dust with sack cleaner then, given full play to the technical advantage and the characteristics of two kinds of dedusters." the electric filter-bag deduster " that Chinese patent 02224478.6 provides is exactly a kind of of static and pocket type complex dust collector, it is made up of vertical electrostatic precipitator and filter bag, tubular positive plate and filter bag directly communicate up and down, dust-contained airflow is perpendicular flow from top to bottom, filter bag can be arranged to the bottom inflow mode naturally, and the bottom inflow mode is less to the impact of filter bag, has prolonged the service life of filter bag, but the common specification of vertical electrostatic precipitator is less, and it is few to handle tolerance.Existing large-scale electrostatic precipitator is generally horizontal layout, dusty gas flows in the horizontal direction, if it directly is connected in series with sack cleaner, be that it communicates with filter bag is left and right, then sack cleaner forms the sidepiece intake method naturally, this sidepiece intake method is not only big to the impact of filter bag, the service life of reduction filter bag, but also can influence the uniformity, reduction electrostatic precipitation efficient that electrostatic precipitation district air-flow distributes.Directly impact filter bag for fear of air-flow, existing sack cleaner generally adopts the bottom inflow mode.Therefore, how large-size horizontal electrostatic precipitator and sack cleaner are organically combined, both having made the air-flow in electrostatic precipitation district distribute relatively evenly, guarantee electrostatic precipitation efficient, and can reduce even avoid the direct impact of air-flow to filter bag again, is the problem that needs solution.
The utility model content
The purpose of this utility model is for solving the problem in the prior art, a kind of uniform flow type electric-bag complex dust collector is provided, making it can prolong the service life of filter bag under the condition that the assurance efficiency of dust collection does not reduce.
For achieving the above object, solution of the present utility model is as follows:
It comprises housing, the air inlet that is connected with housing and gas outlet and ash bucket, along continuous straight runs is arranged electrostatic precipitation unit and bag-type dusting unit successively in housing, its special character is: the filter bag upper end horizontal alignment of the electric field upper end of described electrostatic precipitation unit and bag-type dusting unit, and the filter bag length of bag-type dusting unit is 2/3～4/3 of an electrostatic precipitation unit electric field height; Between described electrostatic precipitation unit and bag-type dusting unit, be provided with an airflow-distribution board; On the bottom of described airflow-distribution board, the close position of ash bucket, be provided with deflector.
The further improvement project of the utility model is:
Above-mentioned airflow-distribution board is divided into a plurality of gas distributions zone from top to bottom, and the above close layout that increases progressively gradually down of dredging of the percent opening in this a plurality of gas distributions zone.
The angle α of above-mentioned deflector and horizontal plane is between 10～45 °.
Be provided with the ash bucket baffle plate in first ash bucket below above-mentioned bag-type dusting unit.
By above-mentioned solution as can be seen, the utility model is provided with airflow-distribution board and deflector between electrostatic precipitation unit and bag-type dusting unit, it is side air inlet and two strands of air-flows of end air inlet of bag-type dusting unit with the gas flow modulation transition of electrostatic precipitation unit horizontal direction, the air-flow that had not only guaranteed the electrostatic precipitation unit evenly distributes, but also avoided the direct impact of air-flow to filter bag, thereby guaranteed electrostatic precipitation efficient, prolonged the service life of filter bag.Simultaneously, airflow-distribution board can also be eliminated the influence of electrostatic precipitation unit high voltage electric field to the bag-type dusting unit, thus more effective protection filter bag, the service life of prolongation filter bag.Moreover the ash bucket baffle plate that the utility model is installed in the ash bucket of bag-type dusting unit can avoid high velocity air directly to impact ash bucket, reduces reentrainment of dust.
Description of drawings
Overall structure schematic diagram of the present utility model.
The specific embodiment
Describe structure of the present utility model and operation principle in detail according to embodiment below.
Referring to accompanying drawing, it has a housing 10, the air inlet 1 that on housing 10, is connected to and gas outlet 6 and ash bucket 7, along continuous straight runs is furnished with electrostatic precipitation unit 2 and bag-type dusting unit 4 successively in housing 10, the filter bag upper end horizontal alignment of the electric field upper end of electrostatic precipitation unit 2 and bag-type dusting unit 4, and the filter bag length of bag-type dusting unit is 2/3～3/4 of an electrostatic precipitation unit electric field height, between described electrostatic precipitation unit 2 and bag-type dusting unit 4, be provided with an airflow-distribution board 3, described airflow-distribution board 3 is divided into a plurality of gas distributions zone from top to bottom, and the percent opening difference of zones of different, their above close layouts that increases progressively gradually down of dredging.In the bottom of described airflow-distribution board, be provided with deflector 9 near on the position of ash bucket, regulate it and angle α=10～45 of horizontal plane °, can guarantee the uniformity that electrostatic precipitation unit air-flow distributes, thus assurance electrostatic precipitation efficient.First ash bucket below air-flow is blown into the bag-type dusting unit causes reentrainment of dust, in first ash bucket below described bag-type dusting unit ash bucket baffle plate 8 is installed.
The course of work is: dusty gas enters electrostatic precipitation unit 2 from air inlet 1 level, then under the acting in conjunction of airflow-distribution board 3 and deflector 9, air-flow evenly flows through the electrostatic precipitation unit, be two parts after crossing, a part enters the bag-type dusting unit from the side level of bag-type dusting unit 4, another part enters the bag-type dusting unit from the bottom, dusty gas separates through the dedusting of two dust removing units, fall into ash bucket 7 behind the deashing process such as grit process rapping wherein or winding-up, and clean gas enters air-purifying chamber 5,6 discharges from the gas outlet at last.
Claims (5)
1, a kind of uniform flow type electric-bag complex dust collector, it comprises housing (10), the air inlet (1) that is connected with housing (10) and gas outlet (6) and ash bucket (7), and along continuous straight runs is arranged electrostatic precipitation unit (2) and bag-type dusting unit (4) successively, be it is characterized in that in housing (10):
1.1, the filter bag upper end horizontal alignment of the electric field of described electrostatic precipitation unit (2) upper end and bag-type dusting unit (4), and the filter bag length of bag-type dusting unit (4) is 2/3～3/4 of an electrostatic precipitation unit electric field height;
1.2, between described electrostatic precipitation unit (2) and bag-type dusting unit (4), be provided with an airflow-distribution board (3);
1.3, in the bottom of described airflow-distribution board (3), be provided with deflector (9) near on the position of ash bucket.
2, uniform flow type electric-bag complex dust collector according to claim 1 is characterized in that: described airflow-distribution board is divided into a plurality of gas distributions zone from top to bottom, and the above close layout that increases progressively gradually down of dredging of the percent opening in this a plurality of gas distributions zone.
3, uniform flow type electric-bag complex dust collector according to claim 1 and 2 is characterized in that: the angle α of described deflector (9) and horizontal plane is between 10～45 °.
4, uniform flow type electric-bag complex dust collector according to claim 1 and 2 is characterized in that: be provided with ash bucket baffle plate (8) in first ash bucket below described bag-type dusting unit.
5, uniform flow type electric-bag complex dust collector according to claim 3 is characterized in that: be provided with ash bucket baffle plate (8) in first ash bucket below described bag-type dusting unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520078987 CN2805889Y (en) | 2005-06-29 | 2005-06-29 | Even airflow type static bag combined dust collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520078987 CN2805889Y (en) | 2005-06-29 | 2005-06-29 | Even airflow type static bag combined dust collector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2805889Y true CN2805889Y (en) | 2006-08-16 |
Family
ID=36920192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520078987 Expired - Fee Related CN2805889Y (en) | 2005-06-29 | 2005-06-29 | Even airflow type static bag combined dust collector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2805889Y (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008138168A1 (en) * | 2007-05-14 | 2008-11-20 | Jiangsu Yuda Valve And The Auxiliary Machine Of The Powerplant Co., Ltd | Dust collecting process and equipment combining electrostatic and bag |
| CN101890270A (en) * | 2010-07-16 | 2010-11-24 | 湖南湘达环保工程有限公司 | Electric dusting and electric bag dusting combined duster |
| CN101837216B (en) * | 2009-12-22 | 2012-01-11 | 福建龙净环保股份有限公司 | Electrostatic-bag composite dust-collector |
| CN102772974A (en) * | 2012-07-23 | 2012-11-14 | 张家港市保丽洁环保科技有限公司 | Oil fume purification device for natural luster finishing machine |
| CN103908863A (en) * | 2014-04-04 | 2014-07-09 | 泰兴电除尘设备厂有限公司 | Electrostatic and fabric composite filter |
| CN105413380A (en) * | 2015-12-30 | 2016-03-23 | 宿迁龙净环保科技有限公司 | Straight-through electrostatic bag dust collector |
| CN107456831A (en) * | 2017-09-24 | 2017-12-12 | 金华华东环保设备有限公司 | Electric-bag complex dust collector |
| CN107485953A (en) * | 2017-09-24 | 2017-12-19 | 金华华东环保设备有限公司 | A kind of electric-bag complex dust collector |
| CN108286757A (en) * | 2018-04-03 | 2018-07-17 | 同济大学 | The fresh air filter device that a kind of anion generator and electrostatic electret are combined |
| CN114580229A (en) * | 2021-12-20 | 2022-06-03 | 华侨大学 | Design method of air inlet structure of bag type dust collector and air inlet structure of bag type dust collector |
-
2005
- 2005-06-29 CN CN 200520078987 patent/CN2805889Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008138168A1 (en) * | 2007-05-14 | 2008-11-20 | Jiangsu Yuda Valve And The Auxiliary Machine Of The Powerplant Co., Ltd | Dust collecting process and equipment combining electrostatic and bag |
| CN101837216B (en) * | 2009-12-22 | 2012-01-11 | 福建龙净环保股份有限公司 | Electrostatic-bag composite dust-collector |
| CN101890270A (en) * | 2010-07-16 | 2010-11-24 | 湖南湘达环保工程有限公司 | Electric dusting and electric bag dusting combined duster |
| CN102772974A (en) * | 2012-07-23 | 2012-11-14 | 张家港市保丽洁环保科技有限公司 | Oil fume purification device for natural luster finishing machine |
| CN103908863A (en) * | 2014-04-04 | 2014-07-09 | 泰兴电除尘设备厂有限公司 | Electrostatic and fabric composite filter |
| CN105413380A (en) * | 2015-12-30 | 2016-03-23 | 宿迁龙净环保科技有限公司 | Straight-through electrostatic bag dust collector |
| CN107456831A (en) * | 2017-09-24 | 2017-12-12 | 金华华东环保设备有限公司 | Electric-bag complex dust collector |
| CN107485953A (en) * | 2017-09-24 | 2017-12-19 | 金华华东环保设备有限公司 | A kind of electric-bag complex dust collector |
| CN108286757A (en) * | 2018-04-03 | 2018-07-17 | 同济大学 | The fresh air filter device that a kind of anion generator and electrostatic electret are combined |
| CN114580229A (en) * | 2021-12-20 | 2022-06-03 | 华侨大学 | Design method of air inlet structure of bag type dust collector and air inlet structure of bag type dust collector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060816 Termination date: 20110629 |