CN103586135A - Formation mode of dust collection pole plate and ash removal water film of wet-type electric precipitator - Google Patents

Formation mode of dust collection pole plate and ash removal water film of wet-type electric precipitator Download PDF

Info

Publication number
CN103586135A
CN103586135A CN201310528825.6A CN201310528825A CN103586135A CN 103586135 A CN103586135 A CN 103586135A CN 201310528825 A CN201310528825 A CN 201310528825A CN 103586135 A CN103586135 A CN 103586135A
Authority
CN
China
Prior art keywords
pole plate
water
dust
dust collecting
film
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.)
Granted
Application number
CN201310528825.6A
Other languages
Chinese (zh)
Other versions
CN103586135B (en
Inventor
齐立强
崔少平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
North China Electric Power University
Original Assignee
North China Electric Power University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by North China Electric Power University filed Critical North China Electric Power University
Priority to CN201310528825.6A priority Critical patent/CN103586135B/en
Publication of CN103586135A publication Critical patent/CN103586135A/en
Application granted granted Critical
Publication of CN103586135B publication Critical patent/CN103586135B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The invention discloses a formation mode of a dust collection pole plate and an ash removal water film of a wet-type electric precipitator. The formation mode is as follows: a high temperature resistant and corrosion resistant material is used for production of the dust collection pole plate, a water distribution pipeline is arranged in the dust collection pole plate to ensure the stable and reliable operation of the pole plate and water distribution uniformity on the pole plate surface; the plate surface is appressed with a fiber woven film, by capillary action, the ash removal water film is evenly formed on the pole plate surface to avoid reentrainment of dust, and at the same time, the collection efficiency on particulate matters especially fine particulate matters can be improved.

Description

A kind of wet electrical dust precipitator dust collecting pole plate and ash removing water film generation type thereof
Affiliated technical field
The invention belongs to environment protection equipment, relate in particular to a kind of wet electrical dust precipitator dust collecting pole plate and ash removing water film generation type thereof.
Background technology
Wet electrical dust precipitator is while utilizing its water membrane forming on dust collecting pole plate to flow downward, to clean the dust be trapped on pole plate.Compare with dry electric precipitation device: wet electrical dust precipitator does not need rapping apparatus, thereby the reentrainment of dust of having avoided rapping to cause has also prevented the wind-induced reentrainment of dust of air-flow and corona; Due to the moisture film that is distributing all the time and flowing downward on pole plate, the dust becomeing trapped on pole plate is rinsed out by moisture film immediately, thereby for high resistivity dust, anti-corona can not occur, and has avoided the reentrainment of dust causing thus; For low resistivity dust, the particle that can not be captured is fled from pole plate, again the phenomenon of Returning flow.Due to above-mentioned advantage, wet electrical dust precipitator has very high efficiency of dust collection, can adapt to various than the dust of resistance.
Existing wet electrical dust precipitator dust collector pole mostly is board-like or drum type brake.Because relying on gravity on pole plate, moisture film in wet electrical dust precipitator flows downward voluntarily, if meet with obstruction or the Geometrical change of polar board surface, will change the flow direction, the phenomenons such as " confluxing ", " branch " occur, can not form complete uniform ash removing water film below pole plate, the dust of trapping can not clean out in time, more long-pending thicker, cause corona discharge electrode to discharge to sedimentating dust, even can affect electric cleaner power supply, cause deduster normally to move.Current coal fired power generation unit is often larger, deduster smoke treatment amount has also been proposed to larger requirement, this also causes the design size of corresponding wet electrical dust precipitator larger, more than ten meter even the pole plate height of more than 20 meter will make being uniformly distributed of moisture film on pole plate more difficult.Traditional wet electrical dust precipitator uses steel dust collecting pole plate, and cost is higher, and the environment that gathers dust of wet type can cause corrosion to common steel pole plate, and using extraordinary steel pole plate or pole plate is carried out to anticorrosion processing is also a no small investment.In addition, wet electrical dust precipitator, for the dust collection of trapping being got up, often needs a large amount of deashing water, this can not meet the requirement to the intensive utilization of water resource, and can produce a large amount of deashing water, and environment is caused to secondary pollution, be also unfavorable for the comprehensive utilization of flyash.
Summary of the invention
Object of the present invention is exactly the problem that cannot form complete uniform moisture film on wet electrical dust precipitator dust collecting pole plate in order to solve, make wet electrical dust precipitator in coal-burning power plant's stable operation, provide a kind of wet electrical dust precipitator dust collecting pole plate and ash removing water film formation method that can reduce cost of investment, reduce burn into reduce water consumption.
For achieving the above object, the present invention adopts following technical proposals:
A kind of wet scrubber dust collecting pole plate, main body is used the materials such as heat resistant plastice, ceramic material, has the environment that can tolerate high temperature, corrosion in electric cleaner, and polar board surface is smooth smooth, and there is certain rigidity and mechanical strength, meet in electric cleaner the performance requirement of hanging, moving.Wet electrical dust precipitator dust collecting pole plate water distribution pipeline is positioned at pole plate inside, along flow of flue gas direction, is arranged in order, and has a main-supply road that each water distribution pipeline is connected, and supply water from bottom to top by inner water distributor road in dust collecting pole plate bottom.Water distribution pipeline leads to dust collecting pole plate top always, in relevant position, pole plate top, has water distributing pore, and the form by overflow is to pole plate water distribution.
On described dust collecting pole plate, water distributing pore supplies water to dust collecting pole plate is balanced, all identical along initial pressure, flow velocity and the flow of airflow direction pole plate top each point current direction current downflow.
Described dust collecting pole plate is generally two identical structural panel laminatings and forms, and the groove on two sheet materials forms hydraulic pipeline after splicing.For safeguarding and changing conveniently, monoblock dust collecting pole plate is spliced by the dust collector pole lath of some vertical bar shapes.
A kind of ash removing water film for wet electric dust remover formation method, hangs and is coated with fibrage film on dust collecting pole plate, and film pastes and lies prostrate in polar board surface, is beneficial to the formation of uniform water film.
Described fibrage film is generally the types such as carbon fiber, silica fibre, polypropylene fibre or terylene, has good capillarity and water distribution characteristic.Utilize the capillarity of braided fiber can make ash removing water film can be distributed in more uniformly and stably dust collecting pole plate surface.
In order to guarantee to form good moisture film on pole plate, to carry out ungrease treatment to pole plate cover fibrage film on pole plate before, remove surface and oil contaminant.
The invention has the beneficial effects as follows:
(1) adopt dust collecting pole plate of the present invention, utilize the water distribution pipeline that is uniformly distributed in pole plate inside, and the capillarity of the fibrage film of polar board surface covering, the equally distributed problem of wet electrical dust precipitator polar board surface ash removing water film can effectively be solved.
(2) ash removing water film is evenly complete, and ash-removal effect is good, on pole plate, can not form deashing dead angle, can not form and affect the dust piece that moisture film is complete, thereby corona wire can not occur to dust stratification electric discharge phenomena, guarantees that power supply is stable, guarantees electric cleaner normal operation.
(3) cost-saving, adopt the dust collecting pole plate of new material cheaper with respect to traditional wet electrical dust precipitator steel pole plate cost, also greatly reduce in the fund input preventing aspect corrosion.
(4) using water wisely, adopts equally distributed pipeline to supply water, and carries out water distribution by the capillary properties of fibrage film, forms uniform water film, can effectively reduce and keep uniform water film institute water consumption.What bring along with the minimizing of water consumption is the minimizing of deashing water circulation use equipment scale, and the minimizing of deashing water treatment amount, has reduced again conversely investment and the operating cost of equipment.
(5) installation and easy to maintenance, the dust collecting pole plate of new material is lighter with respect to traditional wet electrical dust precipitator steel pole plate quality, and installation and maintenance are convenient.Adopt the form of dust collector pole lath splicing, make as long as remove corresponding pole plate bar, to change maintenance when pole plate keeps in repair.
Accompanying drawing explanation
Fig. 1 is wet electrical dust precipitator dust collecting pole plate front view.In figure, the 1 fibrage film for polar board surface covering; 4 is dust collecting pole plate water supply line; 5 is water supply line water control valve door.
Fig. 2 is wet electrical dust precipitator dust collecting pole plate full sectional view.In figure, the 1 fibrage film for polar board surface covering; 2 is dust-collecting polar board of electric dust remover; 3 is the inner water distribution pipeline of dust collecting pole plate; 4 is dust collecting pole plate water supply line; 5 is water supply line water control valve door.
Fig. 3 is wet electrical dust precipitator dust collecting pole plate A-A vertical cross section cutaway view.In figure, the 1 fibrage film for polar board surface covering; 2 is dust-collecting polar board of electric dust remover; 3 is the inner water distribution pipeline of dust collecting pole plate; 4 is dust collecting pole plate water supply line.
Fig. 4 is wet electrical dust precipitator dust collecting pole plate B-B horizontal section cutaway view.
Fig. 5 is the single polar plate schematic diagram of wet electrical dust precipitator and C-C horizontal section cutaway view thereof.
The specific embodiment
Embodiment: as shown in Figure 1, Figure 2 and Figure 3, mainly contain: 1, fibrage film; 2, dust-collecting polar board of electric dust remover; 3, the inner water distribution pipeline of dust collecting pole plate; 4, dust collecting pole plate supply channel forms, and is provided with water supply line water control valve door 5 on dust collecting pole plate supply channel.Fibrage film 1 pastes and is fixed on dust collecting pole plate 2 surfaces, as shown in Figure 3.Dust collecting pole plate supply channel 4 is connected the inner water distribution pipeline 3 of each dust collecting pole plate, to rush buck to its supply, as shown in Figure 2.Dust-collecting polar board of electric dust remover 2 is generally relatively fitted and is assembled by two identical single dust collector pole plates as shown in Figure 5, the visible Fig. 4 of effect.Dust-collecting polar board of electric dust remover 2 hangs on wet electrical dust precipitator enclosure interior, bottom ground connection.
In running, dusty gas enters dust removal part, and by charged.Under the driving of electric field force, charged movement of dust particle is to the fibrage film 1 on dust collecting pole plate.Deashing water enters dust collecting pole plate supply channel 4 under the driving of water-delivery pump, and is delivered in the inner water distribution pipeline 3 of each dust collecting pole plate by it, and the flow of deashing water is regulated by water flow of pipeline by-pass valve control 5.Deashing water is transported to dust-collecting polar board of electric dust remover 2 tops, and the mode by overflow is distributed in the fibrage film 1 on dust collecting pole plate surface.Deashing water in fibrage film 1 flows downward under the effect of gravity, and the grit of film surface is washed away.Deashing water generally enters corresponding deashing water circulation utilization system, treated recycling.

Claims (3)

1. a wet electrical dust precipitator dust collecting pole plate, it is characterized in that, water distribution pipeline is positioned at pole plate inside, along flow of flue gas direction, vertically arrange successively, in dust collecting pole plate bottom, have a main-supply road that each water distribution pipeline is connected, and supply water from bottom to top by inner water distributor road, water distribution pipeline leads to dust collecting pole plate top always, in relevant position, pole plate top, have water distributing pore, the form by overflow is to pole plate water distribution.
2. wet electrical dust precipitator dust collecting pole plate according to claim 1, the water distributor curb flow of flue gas direction that it is characterized in that described pole plate inside is evenly arranged, guarantee that direction pole plate evenly supplies water on pole plate, all identical along initial pressure, flow velocity, the flow of each water distributing pore current direction current downflow of flue gas direction pole plate top.
3. the ash removing water film formation method of a wet electrical dust precipitator dust collecting pole plate claimed in claim 1, it is characterized in that, at dust collecting pole plate surface label volt, there is fibrage film, utilize the capillarity of film braided fiber, make deashing water be distributed in evenly, rapidly film surface.
CN201310528825.6A 2013-10-23 2013-10-23 Formation mode of dust collection pole plate and ash removal water film of wet-type electric precipitator Expired - Fee Related CN103586135B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310528825.6A CN103586135B (en) 2013-10-23 2013-10-23 Formation mode of dust collection pole plate and ash removal water film of wet-type electric precipitator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310528825.6A CN103586135B (en) 2013-10-23 2013-10-23 Formation mode of dust collection pole plate and ash removal water film of wet-type electric precipitator

Publications (2)

Publication Number Publication Date
CN103586135A true CN103586135A (en) 2014-02-19
CN103586135B CN103586135B (en) 2017-01-25

Family

ID=50076571

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310528825.6A Expired - Fee Related CN103586135B (en) 2013-10-23 2013-10-23 Formation mode of dust collection pole plate and ash removal water film of wet-type electric precipitator

Country Status (1)

Country Link
CN (1) CN103586135B (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105583078A (en) * 2016-01-08 2016-05-18 王富强 Liquid-level electrostatic precipitator
CN105583076A (en) * 2015-12-29 2016-05-18 山东神华山大能源环境有限公司 Dry and wet coupling electrostatic dust collection system and dust collection technology
CN105689143A (en) * 2016-03-29 2016-06-22 北京生泰宝科技有限公司 Water curtain electrode used for electric dust precipitation
CN104492604B (en) * 2014-12-22 2016-07-06 河北工业大学 A kind of wet type moisture film electrode electricity coalescer
CN106861907A (en) * 2015-12-13 2017-06-20 白连福 A kind of wet-esp new technology
CN106955788A (en) * 2017-05-03 2017-07-18 广州市美控电子科技有限公司 Liquid electrode substrate

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4360366A (en) * 1981-10-07 1982-11-23 Dresser Industries, Inc. Liquid distributor for a wet electrostatic precipitator
CN1272406A (en) * 2000-01-31 2000-11-08 烟台万华聚氨酯股份有限公司 Wet electric dust-removing process and its special-purpose equipment
CN101670313A (en) * 2009-10-09 2010-03-17 山东大学 Device and process for homogenizing fabric dust collecting electrode surface water film
CN101780435A (en) * 2010-02-25 2010-07-21 宁波大学 Wet static dedusting device
US20110056375A1 (en) * 2009-09-10 2011-03-10 National Chiao Tung University Wet electrostatic precipitator with pulse jet for cleaning discharge wires
CN102039223A (en) * 2009-10-15 2011-05-04 财团法人交大思源基金会 Wet-type electrostatic precipitator
CN102784719A (en) * 2012-08-20 2012-11-21 山东大学 Water internally-distributed type flexible dust collecting electrode device
CN203061287U (en) * 2012-09-27 2013-07-17 浙江佳环电子有限公司 Flexible anode wet dust collector with bidirectional water spraying

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4360366A (en) * 1981-10-07 1982-11-23 Dresser Industries, Inc. Liquid distributor for a wet electrostatic precipitator
CN1272406A (en) * 2000-01-31 2000-11-08 烟台万华聚氨酯股份有限公司 Wet electric dust-removing process and its special-purpose equipment
US20110056375A1 (en) * 2009-09-10 2011-03-10 National Chiao Tung University Wet electrostatic precipitator with pulse jet for cleaning discharge wires
CN101670313A (en) * 2009-10-09 2010-03-17 山东大学 Device and process for homogenizing fabric dust collecting electrode surface water film
CN102039223A (en) * 2009-10-15 2011-05-04 财团法人交大思源基金会 Wet-type electrostatic precipitator
CN101780435A (en) * 2010-02-25 2010-07-21 宁波大学 Wet static dedusting device
CN102784719A (en) * 2012-08-20 2012-11-21 山东大学 Water internally-distributed type flexible dust collecting electrode device
CN203061287U (en) * 2012-09-27 2013-07-17 浙江佳环电子有限公司 Flexible anode wet dust collector with bidirectional water spraying

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104492604B (en) * 2014-12-22 2016-07-06 河北工业大学 A kind of wet type moisture film electrode electricity coalescer
CN106861907A (en) * 2015-12-13 2017-06-20 白连福 A kind of wet-esp new technology
CN105583076A (en) * 2015-12-29 2016-05-18 山东神华山大能源环境有限公司 Dry and wet coupling electrostatic dust collection system and dust collection technology
CN105583078A (en) * 2016-01-08 2016-05-18 王富强 Liquid-level electrostatic precipitator
CN105583078B (en) * 2016-01-08 2017-08-29 马海霞 Liquid level electrostatic precipitator
CN105689143A (en) * 2016-03-29 2016-06-22 北京生泰宝科技有限公司 Water curtain electrode used for electric dust precipitation
CN106955788A (en) * 2017-05-03 2017-07-18 广州市美控电子科技有限公司 Liquid electrode substrate

Also Published As

Publication number Publication date
CN103586135B (en) 2017-01-25

Similar Documents

Publication Publication Date Title
CN103586135A (en) Formation mode of dust collection pole plate and ash removal water film of wet-type electric precipitator
CN201711219U (en) Semi-moist type electrostatic dust collector
CN101670313B (en) Device and process for homogenizing fabric dust collecting electrode surface water film
CN104492603B (en) Match somebody with somebody pattern and purge mode in a kind of cermet electric cleaner pole
CN204380857U (en) A kind of forming apparatus of wet electrical dust precipitator positive plate moisture film
CN204122244U (en) A kind of wet electrical dust precipitator and comprise the electric precipitation desulfurizer of this wet electrical dust precipitator
CN103817003A (en) Vertical tube type high-pressure wet-type precision static dust remover
CN204620212U (en) A kind of energy-conserving and environment-protective electrostatic oil fume deaner
CN102658239A (en) High efficiency baffle plate electrostatic precipitator
CN203972139U (en) A kind of wet cottrell
CN103191832A (en) Combined and horizontal wet type electric dust precipitator
CN102500188A (en) Wet type electric dust-removing device
CN205020238U (en) High -efficient wet -type electrostatic precipitator
CN208066547U (en) A kind of wet cottrell
CN104492604B (en) A kind of wet type moisture film electrode electricity coalescer
CN203816782U (en) Micro-channel efficient wet-type electric dust remover
CN205549935U (en) Wet -type electric precipitation secondary absorption tower
CN103949127B (en) The embedded wet electrical dust precipitator of flue and electro dust removing method thereof
CN105413871B (en) A kind of hot electrostatic precipitator subregion spray coupling moisture film rinses deashing technique and device
CN203791052U (en) Vertical tube type high-voltage wet-type electrostatic fine dust collector
CN203830149U (en) Wet type electric demister with guide plate
CN206951408U (en) A kind of wet electrical dust precipitator dust collecting pole plate
CN205308571U (en) Coupling electrostatic dust collection system futilely wets
CN102641785A (en) Intelligent brushing, sweeping and rapping device for high voltage electrostatic precipitator tail electric field
CN203829852U (en) Flue embedded wet-type electric precipitator

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20170125

Termination date: 20191023