CN102872670A - Electric-bag combined dust collector - Google Patents
Electric-bag combined dust collector Download PDFInfo
- Publication number
- CN102872670A CN102872670A CN2012103717074A CN201210371707A CN102872670A CN 102872670 A CN102872670 A CN 102872670A CN 2012103717074 A CN2012103717074 A CN 2012103717074A CN 201210371707 A CN201210371707 A CN 201210371707A CN 102872670 A CN102872670 A CN 102872670A
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- row
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- flue gas
- electric
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- 239000000428 dust Substances 0.000 title claims abstract description 59
- 239000003546 flue gas Substances 0.000 claims abstract description 57
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 56
- 230000005684 electric field Effects 0.000 claims abstract description 42
- 239000000779 smoke Substances 0.000 claims description 20
- 230000005611 electricity Effects 0.000 claims description 19
- 238000007599 discharging Methods 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000009826 distribution Methods 0.000 abstract description 5
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 10
- 230000007246 mechanism Effects 0.000 description 8
- 238000005367 electrostatic precipitation Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000012717 electrostatic precipitator Substances 0.000 description 4
- 230000008676 import Effects 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- -1 this Chemical compound 0.000 description 1
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- Filtering Of Dispersed Particles In Gases (AREA)
- Electrostatic Separation (AREA)
Abstract
The invention provides an electric-bag combined dust collector which comprises a casing. A dust collection chamber is reserved in an inner cavity of the casing, and an electric bag dust collection area is arranged in the dust collection chamber and comprises a plurality of electric field passages and filter bag rows. Each electric field passage comprises two anode rows and a discharge electrode line row. Each anode row includes a plurality of anode plates in a spliced manner, and each anode plate is provided with a plurality of flue gas through holes. The two anode rows are arranged in parallel at an interval along an advancing direction of flue gas. The discharge electrode line row includes a plurality of discharge electrode lines arrayed uniformly along the advancing direction of the flue gas, and is positioned between the two anode rows and parallel to the same. Each filter bag row is arranged between every two electric field passages and parallel to the electric field passages. The back ends of the two anode rows of each electric field passage are connected by an arc spoiler A while the front ends of the anode rows on two sides of each filter bag row are connected by an arc spoiler B. The electric-bag combined dust collector is reasonable in structure and uniform in flue gas distribution, the service lives of filter bags are prolonged effectively, running cost is reduced and dust collection efficiency is increased.
Description
Technical field
The present invention relates to a kind of fume dust remover, particularly a kind of electric-bag complex dust collector.
Background technology
In industrial processes, in thermal power generation, manufacture of cement, metallurgy industry, usually can produce a large amount of dusty gases.These contain a large amount of dusty gas discharged to atmosphere before, must purify by dust arrester.
At present, the industrial smoke dust arrester mainly is divided into electrostatic precipitator and sack cleaner.Electrostatic precipitator is to make dust charged in electric field, and deposits to dust collection plate under the effect of electric field force; It has the advantages such as the smoke treatment amount is large, running resistance is low; But the efficiency of dust collection of electrostatic precipitator is vulnerable to the impact of exhaust gas dust characteristic and fluctuates, and smoke emissioning concentration is difficult to up to standard.Sack cleaner is to filter flue gas by filter bag to purify, and it is not subjected to the dust properties influence, good dedusting effect, and concentration of emission is low; But exist that SR is large, energy consumption is high, filter bag rapid wear, deficiency that operation and maintenance cost is high.
Because electrostatic precipitator and sack cleaner cut both ways, the electric-bag complex dust collector that above-mentioned both advantages are got up has just arisen at the historic moment.Existing electric-bag complex dust collector normally front portion is that electrostatic precipitation district, rear portion are the bag dedusting area; At first charged in the electrostatic precipitation district and the major part of dust in the flue gas is collected, the dust that is not collected then enters the bag dedusting area at rear portion with upper electric charge, be attached on the filter bag in order and loosely, thereby the flow resistance of reduction flue gas improves the efficiency of dust collection of bag dedusting.Yet in practical work process, because flue gas time of staying in the electrostatic precipitation district is shorter, the part dust also has little time charged; Simultaneously because the front and back of electrostatic precipitation district and bag dedusting area arrange so that charged dust from anterior electrostatic precipitation district to the rear bag dedusting area than losing electric charge the growth process, again become neutral dust, therefore the drag reduction of bag dedusting is limited.
Chinese patent ZL200910261104.7 discloses a kind of electric-bag complex dust collector that comprises electricity bag mixed zone, wherein, electricity bag mixed zone is comprised of some filter bag rows and some electric field passages, each filter bag row arranges at parallel and interval substantially with each electric field passage, has row's filter bag among the filter bag row at least, the electric field passage has two positive plates at least, and the gap between adjacent anode plate forms current path, and the flue gas of the electric field passage of flowing through enters filter bag row through current path; The outside of each filter bag adjacent with the electric field passage is equipped with a positive plate; And the width of positive plate is more than or equal to the diameter of filter bag, so that positive plate separates the discharge electrode of filter bag and electric field passage.This electric-bag complex dust collector has not only significantly improved the chargeability of dust, has improved efficiency of dust collection, and has effectively avoided filter bag directly adjacent with discharge electrode, thereby has effectively prolonged the service life of filter bag, has reduced the dedusting cost.But the smoke distribution of this electric-bag complex dust collector is very unreasonable, and most of flue gas directly enters electricity bag dedusting area, filter bag is consisted of wash away, and has affected the service life of filter bag, and the flue gas of skewness, has affected the efficiency of dust collection of deduster yet.
Summary of the invention
Technical problem to be solved by this invention is, for the deficiencies in the prior art, provides a kind of rational in infrastructure, smoke distribution is even, life of bag filter is long, operating cost is low and efficiency of dust collection is high electric-bag complex dust collector.
The technical solution adopted for the present invention to solve the technical problems is: comprise that inner chamber is provided with the casing of dirt pocket, be provided with electricity bag dedusting area in the dirt pocket;
Described electricity bag dedusting area comprises some roads electric field passage and is arranged at filter bag row between the electric field passage;
Described electric field passage comprises two row's anode rows and a discharging electrode wires row; Anode row is spliced by some positive plates, offers the smoke ventilator that several pass through for flue gas at positive plate; Two row's anode rows line direction parallel interval before the flue gas arranges; Discharge plume row is arranged equably along the front line direction of flue gas by some discharge plumes and forms, and discharge plume row be arranged between two anode rows, and parallel with anode row;
Described filter bag row is arranged by some filter bags line direction before the flue gas and forms, and filter bag row be arranged between the two electric field passages, and the electric field passage parallels;
The anode row front end of the rear end of two anode rows of each electric field passage and filter bag row both sides links to each other with arc spoiler B by arc spoiler A respectively; Arc spoiler B avoids flue gas directly to wash away filter bag, and arc spoiler A then stops flue gas directly to flow to the rear end from the front end of electric field passage, simultaneously, flue gas reasonably is distributed in the smoke ventilator on the positive plate flows to filter bag.
Further, described filter bag row is by behind the forward direction, and the spacing of filter bag progressively increases; This be because, when flue gas moves ahead in the electric field passage, although there is the flue gas of fraction to flow to filter bag by the smoke ventilator on the positive plate, but most of flue gas directly moves ahead in the electric field passage, be subjected to the effect of arc spoiler A to the rear end of electric field passage, smoke backflow and flow velocity are higher, so spacing makes the smoke distribution that flows to filter bag more even rationally by the filter bag arrangement that front and back progressively increase.
Further, described every row's filter bag row's below is provided with deflector row, and each deflector of deflector row raises after by forward direction successively along the front line direction of flue gas; Like this, the flue gas of avoiding on the one hand the filter bag below to move ahead directly flow to the rear end from the front end of dirt pocket, and the deflector that raises successively on the other hand makes flue gas upwards enter electricity bag dedusting area from the bottom of filter bag the flue gas even water conservancy diversion that makes progress.
Further, the front end of the described dirt pocket spoiler that is provided with suitable for reading, the lower end of upper spoiler is lower than the upper end, washes away filter bag to avoid flue gas to flow directly into the dirt pocket top.
Further, the front end end opening of described dirt pocket is provided with lower spoiler, and the upper end of lower spoiler is higher than the anode row lower end; The one, the lower end flue gas is imported in the electric field carry out dedusting, the 2nd, avoid flue gas that ash bucket is impacted and cause reentrainment of dust.
Further, the front end both sides of described dirt pocket are equipped with the side spoiler, outermost anode row front end close contact in the rear end of side spoiler and the electricity bag dedusting area, and the positive plate that consists of the anode row of the outermost both sides in the electricity bag dedusting area is the whole plate of not offering smoke ventilator, escapes between outermost sun plate row and dirt pocket inwall to avoid flue gas.
Further, the inner chamber of described casing is divided into two or more dirt pockets; Like this, can be according to the flue gas treating capacity, and be convenient to reasonable moulding, improve efficiency of dust collection.
Beneficial effect of the present invention is: it is rational in infrastructure, smoke distribution is even, has effectively prolonged the service life of filter bag, has reduced operating cost, has improved efficiency of dust collection.
Description of drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is the A-A cutaway view of Fig. 1;
Fig. 3 is local among Fig. 1
Zoomed-in view;
Fig. 4 is local among Fig. 2
Zoomed-in view;
Fig. 5 is the B-B cutaway view of Fig. 1.
Among the figure: 1 is casing, 2 is dirt pocket, 3 are the import end socket, 31 is air inlet, 4 is electricity bag dedusting area, 41 is the electric field passage, 42 is anode arranged plate, 421 is positive plate, 43 are discharge plume row, 431 is discharge plume, 44 are filter bag row, 441 is filter bag, 45 is arc spoiler A, 46 is arc spoiler B, 5 is air-purifying chamber, 6 is jetting deashing mechanism, 7 is lift valve, 8 for going out gas tank, 81 is air outlet, 9 are deflector row, 91 is deflector, 10 is vibrating ash-removing mechanism, 11 is ash bucket, 12 is the side spoiler, 13 is upper spoiler, 14 is lower spoiler.
The specific embodiment
The invention will be further described below in conjunction with accompanying drawing.
The described electric-bag complex dust collector of the embodiment of the invention, its casing 1 inner chamber is separated into four dirt pockets 2, be equipped with electricity bag dedusting area 4 and vibrating ash-removing mechanism 10 in each dirt pocket 2, the below of each dirt pocket 2 is equipped with ash bucket 11, and the top of each dirt pocket 2 is equipped with air-purifying chamber 5; The top of four air-purifying chambers 5 is provided with each air-purifying chamber connects and goes out gas tank 8, is provided with lift valve 7 with air-purifying chamber 5 perforations place going out gas tank 8; Be provided with jetting deashing mechanism 6 in each air-purifying chamber 5; The front end of casing 1 is provided with the import end socket 3 of inlet 31; The rear end that goes out gas tank 8 is provided with gas outlet 81.Being located at electricity bag dedusting area 4 in each dirt pocket 2 comprises some roads electric field passage 41 and is arranged at filter bag row 44 between the electric field passage 41; Described electric field passage 41 comprises two row's anode rows 42 and a discharging electrode wires row 43; Anode row 42 is spliced by some positive plates 421, offers the smoke ventilator that several pass through for flue gas at positive plate 421; Two row's anode rows 42 line direction parallel interval before the flue gas arranges; Discharge plume row 43 is arranged equably along the front line direction of flue gas by some discharge plumes 431 and forms, and discharge plume row 43 is arranged between two row's anode rows 42, and parallels with anode row 42; Described filter bag row 44 is arranged by some filter bags 441 line direction before the flue gas and forms; Behind forward direction, the spacing of filter bag 441 progressively increases; Filter bag row 44 is arranged between the two electric field passages 41, and parallels with electric field passage 41; Anode row 42 front ends that the rear end of two anode rows 42 of each electric field passage 41 and filter bag are arranged 44 both sides link to each other with arc spoiler B46 by arc spoiler A45 respectively; Arc spoiler B46 avoids flue gas directly to wash away filter bag 441, and arc spoiler A45 then stops flue gas directly to flow to the rear end from the front end of electric field passage 41, simultaneously, flue gas reasonably is distributed in the smoke ventilator on the positive plate 421 flows to filter bag 441.Below every row's filter bag row 44, be provided with deflector row 9, consist of each deflector 91 of deflector row 9 by raising successively behind the forward direction; Like this, the flue gas of on the one hand avoiding filter bag 441 belows to move ahead directly flow to the rear end from the front end of dirt pocket 2, and the deflector 91 that raises successively on the other hand makes flue gas upwards enter dedusting area 4 the flue gas even water conservancy diversion that makes progress.Be provided with spoiler 13 in that the front end of dirt pocket 2 is suitable for reading, and the lower end of upper spoiler 13 is lower than anode row 42 upper ends, washes away filter bag 441 to avoid flue gas to flow directly into dirt pocket 2 tops.The upper end that is provided with lower spoiler 14 at the front end end opening of dirt pocket 2 is higher than anode row 42 lower ends, and the one, dirt pocket 2 interior lower end flue gases are imported in the electric fields carry out dedusting, the 2nd, avoid flue gas that ash bucket 11 is impacted and cause reentrainment of dust.Front end both sides at dirt pocket 2 also are equipped with side spoiler 12, outermost anode row 42 front end close contacts in the rear end of side spoiler 12 and the electricity bag dedusting area 4, and the positive plate 421 that consists of the anode row 42 of the outermost both sides in the electricity bag dedusting area 4 is the whole plate of not offering smoke ventilator, escapes between outermost sun plate row 42 and dirt pocket 2 inwalls to avoid flue gas.
During work, ash-laden gas enters import end socket 3 through air inlet 31, is subjected to upper and lower spoiler 13,14 and the effect of side spoiler 12, and flue gas enters in the electricity bag dedusting area 4 of dirt pocket 2 fully.Part of smoke directly enters in the electric field passage 41, and another part flue gas then enters electricity bag dedusting area 4 from the below of filter bag 441; Dust in the flue gas is charged in electric field passage 41, and most of dust deposit is on anode row 42 and discharge plume 431, because discharge plume 431 discharges evenly, utilizes electric power to capture the grit that suspends in the flue gas, and the chargeability of dust is higher; Do not have the dust of deposition then to turn to filter bag row 44 by the smoke ventilator on the positive plate 421 of anode row 42, and be adsorbed on the filter bag 441; Because discharge plume row 43 arranges 44 spacings weak point with filter bag, the distance that dust after charged is passed through is shorter, dust after charged is difficult for losing electric charge, so that dust is adsorbed on the filter bag 441 fluffyly, thereby running resistance and the wearing and tearing of filter bag have been lowered, prolong the service life of filter bag 441, improved the efficiency of dust collection of filter bag 441.Jetting deashing mechanism 6 intersections of the vibrating ash-removing mechanism 10 of electric precipitation and bag dedusting are carried out operation; During vibrating ash-removing mechanism 10 deashing, rapping is deposited on anode row 42, discharge plume row's 43 dust, directly falls in ash bucket 11, and the fine dust of generation is above air-flow is adsorbed onto filter bag 441; And during jetting deashing mechanism 6 deashing, most of dust of filter bag 441 outsides is directly shaken off in ash bucket 11, do not lose on a small quantity the electric charge dust and collected by anode row 42 and discharge plume row 43 again, thereby effectively reduce reentrainment of dust, improved the efficiency of dust collection of electric bag dedusting area 4.Flue gas after the dedusting through air-purifying chamber 5 with go out gas tank 8, is discharged from air outlet 81.
Claims (7)
1. electric-bag complex dust collector is characterized in that: comprise that inner chamber is provided with the casing of dirt pocket, be provided with electricity bag dedusting area in the dirt pocket;
Described electricity bag dedusting area comprises some roads electric field passage and is arranged at filter bag row between the electric field passage;
Described electric field passage comprises two row's anode rows and a discharging electrode wires row; Anode row is spliced by some positive plates, offers the smoke ventilator that several pass through for flue gas at positive plate; Two row's anode rows line direction parallel interval before the flue gas arranges; Discharge plume row is arranged equably along the front line direction of flue gas by some discharge plumes and forms, and discharge plume row be arranged between two anode rows, and parallel with anode row;
Described filter bag row is arranged by some filter bags line direction before the flue gas and forms, and filter bag row be arranged between the two electric field passages, and the electric field passage parallels;
The anode row front end of the rear end of two anode rows of each electric field passage and filter bag row both sides links to each other with arc spoiler B by arc spoiler A respectively; Arc spoiler B avoids flue gas directly to wash away filter bag, and arc spoiler A then stops flue gas directly to flow to the rear end from the front end of electric field passage, simultaneously, flue gas reasonably is distributed in the smoke ventilator on the positive plate flows to filter bag.
2. electric-bag complex dust collector according to claim 1 is characterized in that: described filter bag row is by behind the forward direction, and the spacing of filter bag progressively increases.
3. electric-bag complex dust collector according to claim 1 and 2 is characterized in that: described filter bag row's below is provided with deflector row, and each deflector of deflector row raises after by forward direction successively along the front line direction of flue gas.
4. electric-bag complex dust collector according to claim 1 is characterized in that: on the front end of the described dirt pocket spoiler that is provided with suitable for reading, the lower end of upper spoiler are lower than.
5. electric-bag complex dust collector according to claim 1, it is characterized in that: the front end end opening of described dirt pocket is provided with lower spoiler, and the upper end of lower spoiler is higher than the anode row lower end.
6. electric-bag complex dust collector according to claim 1, it is characterized in that: the front end both sides of described dirt pocket are equipped with the side spoiler, outermost anode row front end close contact in the rear end of side spoiler and the electricity bag dedusting area, and the positive plate of the anode row of the outermost both sides in the formation electricity bag dedusting area is not for offering the whole plate of smoke ventilator.
7. electric-bag complex dust collector according to claim 1, it is characterized in that: the inner chamber of described casing is divided into two or more dirt pockets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103717074A CN102872670A (en) | 2012-09-29 | 2012-09-29 | Electric-bag combined dust collector |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103717074A CN102872670A (en) | 2012-09-29 | 2012-09-29 | Electric-bag combined dust collector |
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| CN102872670A true CN102872670A (en) | 2013-01-16 |
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| CN2012103717074A Pending CN102872670A (en) | 2012-09-29 | 2012-09-29 | Electric-bag combined dust collector |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103566695A (en) * | 2013-11-12 | 2014-02-12 | 清华大学 | Enhanced coupled-mode embedded type electrostatic-bag integrated dust collector |
| WO2016029333A1 (en) * | 2013-05-07 | 2016-03-03 | 福建东源环保有限公司 | Embedded-type electrified bag composite dust collector |
| CN107755095A (en) * | 2016-08-23 | 2018-03-06 | 北京力博明科技发展有限公司 | A kind of uniform flow type electrostatic precipitator |
| CN112774387A (en) * | 2021-01-21 | 2021-05-11 | 福建龙净环保股份有限公司 | Electric-bag composite dust collector |
| CN115007314A (en) * | 2022-05-30 | 2022-09-06 | 福建龙净环保股份有限公司 | A coupling-enhanced electric bag composite dust removal device |
| CN119140280A (en) * | 2024-10-31 | 2024-12-17 | 中国科学院过程工程研究所 | Special-shaped polar plate static ultra-low discharge device |
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| JP2000135411A (en) * | 1998-10-29 | 2000-05-16 | Tanabe Kogyo Kk | Exhaust gas treatment device and its manufacture |
| CN101274305A (en) * | 2007-12-12 | 2008-10-01 | 浙江工商大学 | A bag-type dust collector electrostatic precipitator |
| CN101837216A (en) * | 2009-12-22 | 2010-09-22 | 福建龙净环保股份有限公司 | Electrostatic-bag composite dust-collector |
| CN201949765U (en) * | 2010-11-16 | 2011-08-31 | 武汉龙净环保科技有限公司 | Electrostatic bag dust collector |
| CN202778191U (en) * | 2012-09-29 | 2013-03-13 | 江苏科行环境工程技术有限公司 | Electric-bag composite dust remover |
-
2012
- 2012-09-29 CN CN2012103717074A patent/CN102872670A/en active Pending
Patent Citations (5)
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| JP2000135411A (en) * | 1998-10-29 | 2000-05-16 | Tanabe Kogyo Kk | Exhaust gas treatment device and its manufacture |
| CN101274305A (en) * | 2007-12-12 | 2008-10-01 | 浙江工商大学 | A bag-type dust collector electrostatic precipitator |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016029333A1 (en) * | 2013-05-07 | 2016-03-03 | 福建东源环保有限公司 | Embedded-type electrified bag composite dust collector |
| CN103566695A (en) * | 2013-11-12 | 2014-02-12 | 清华大学 | Enhanced coupled-mode embedded type electrostatic-bag integrated dust collector |
| CN107755095A (en) * | 2016-08-23 | 2018-03-06 | 北京力博明科技发展有限公司 | A kind of uniform flow type electrostatic precipitator |
| CN112774387A (en) * | 2021-01-21 | 2021-05-11 | 福建龙净环保股份有限公司 | Electric-bag composite dust collector |
| CN112774387B (en) * | 2021-01-21 | 2022-07-12 | 福建龙净环保股份有限公司 | Electric-bag composite dust collector |
| CN115007314A (en) * | 2022-05-30 | 2022-09-06 | 福建龙净环保股份有限公司 | A coupling-enhanced electric bag composite dust removal device |
| CN115007314B (en) * | 2022-05-30 | 2023-05-16 | 福建龙净环保股份有限公司 | A coupling enhanced electric bag composite dust removal device |
| CN119140280A (en) * | 2024-10-31 | 2024-12-17 | 中国科学院过程工程研究所 | Special-shaped polar plate static ultra-low discharge device |
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Application publication date: 20130116 |