CN206911571U - Boiler smoke wet electrical dust precipitator - Google Patents
Boiler smoke wet electrical dust precipitator Download PDFInfo
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- CN206911571U CN206911571U CN201720531057.3U CN201720531057U CN206911571U CN 206911571 U CN206911571 U CN 206911571U CN 201720531057 U CN201720531057 U CN 201720531057U CN 206911571 U CN206911571 U CN 206911571U
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- airflow
- distribution board
- boiler smoke
- dirt pocket
- dust
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Abstract
The utility model discloses a kind of boiler smoke wet electrical dust precipitator, case top is provided with insulation room, insulation interior is provided with electrode fixing device, insulation room side is provided with charge device, import reducer pipe is provided with the left of dirt pocket, right side is provided with outlet reducer pipe, import reducer pipe is provided with airflow-distribution board, airflow-distribution board connects distribution grid rapping apparatus, airflow-distribution board includes the first airflow-distribution board, second airflow-distribution board, 3rd airflow-distribution board, the bottom of second airflow-distribution board is provided with deflector, 3rd airflow-distribution board is provided with deflector, electric discharge negative electrode is provided with dirt pocket, dust anode, electric discharge negative electrode top connects charge device by electrode fixing device, spray equipment is provided with the top of dirt pocket, connection ash bucket below dirt pocket.Boiler smoke uniformly enters dirt pocket during using the utility model to boiler smoke dedusting, and under the charge effect of electric discharge negative electrode, dust is adsorbed by dust anode, and adsorbing powder dust effect is good, and efficiency of dust collection is high.
Description
Technical field
The present invention relates to dust removal field, and in particular to a kind of boiler smoke wet electrical dust precipitator.
Background technology
The usual abbreviation WESP of wet electrical dust precipitator, for handling the new cleaner containing micro dust and microparticle, mainly
It is to administer atmospheric dust dirt for removing containing harmful substances such as the dirt in humid gas, acid mist, water droplet, aerosol, stink, PM2.5
The ideal equipment of dye.WESP have efficiency of dust collection is high, the pressure loss is small, simple to operate, energy consumption is small, movement-less part, without secondary
Airborne dust, maintenance cost be low, the production downtime is short, be operable with below flue gas dew point temperature, due to compact-sized and can with it is other
The advantages that smoke gas treatment equipment be combined with each other, design form variation.
Power plant, steel mill boiler smoke wet desulphurization after in ash-laden gas, smoke moisture is big, using wet electrical dust precipitator
Processing flue gas can effectively collect fine particle (PM2.5 dust, SO3 acid mists, aerosol), heavy metal (Hg, As, Se, Pb,
Cr), organic pollution (polycyclic aromatic hydrocarbon, dioxin) etc., containing the soot emissions in wet flue gas up to 10mg/m even 5mg/m with
Under.
When flue gas enters wet electrical dust precipitator by flue, because the structure setting of air inlet and deduster in itself is unreasonable,
Cause the air-flow of the flue gas skewness in deduster.Influence of the air flow method inequality to electric cleaner includes following several sides
Face：1st, the laying dust amount of dust arrester is uneven, and when spray Water spray is cleared up, the big place cleaning of laying dust amount is incomplete；2nd, local gas
The raw reentrainment of dust of miscarriage；3rd, the cathode electrode dust stratification in air-flow more slowly area is excessive, and the corona for suppressing cathode electrode produces；4th, low gas
Stream area easily causes local housing to corrode because temperature is relatively low.
Therefore the uniformity of air flow method has a significant impact to efficiency of dust collection, and control flue gas stream is uniformly that realization is effectively clear
The basic condition of reason.WESP technical requirements realize below 5mg/Nm3 soot emissions index, and it is less than 1 micron that it, which captures target,
Superfine particulate matter, even if local air flow method is uneven or disturbance is likely to cause the escape of captured particle, cause row
Growth is put, therefore WESP should control flue gas even distribution coefficient below 0.13.
The content of the invention
To solve the above problems, the utility model discloses a kind of boiler smoke wet electrical dust precipitator.
In order to reach object above, the utility model provides following technical scheme：
A kind of boiler smoke wet electrical dust precipitator, including housing, the case top are provided with insulation room, the insulation room one
Side is provided with charge device, and the insulation interior is provided with electrode fixing device, import reducer pipe, dedusting are provided with the left of the dirt pocket
Outlet reducer pipe is provided with the right side of room, the import reducer pipe is provided with airflow-distribution board, and the airflow-distribution board connection distribution grid shakes
Beat device, the airflow-distribution board includes the first airflow-distribution board, the second airflow-distribution board, the 3rd airflow-distribution board, and described the
The bottom of two airflow-distribution boards is provided with deflector, and the deflector is arranged on distribution grid in certain inclined at inclination angles；It is described
3rd airflow-distribution board is provided with deflector, and the deflector is arranged on distribution grid in certain inclined at inclination angles；It is described to remove
Electric discharge negative electrode, dust anode are provided with dirt room, the electric discharge negative electrode top connects charge device by electrode fixing device, described
Spray equipment is provided with the top of dirt pocket, the spray head of the spray equipment corresponds to dust anode, and connection is grey below the dirt pocket
Bucket.Boiler smoke uniformly enters dirt pocket in the presence of airflow-distribution board, and air-flow is uniform, makees in the electric charge of electric discharge negative electrode
Under, dust is adsorbed by dust anode, and adsorbing powder dust effect is good, and efficiency of dust collection is high；Due in flue gas dust by self gravitation
Influence moves downward when being moved in import reducer pipe, and top dust concentration is low, and bottom dust concentration is high, causes in boiler smoke
Dust distribution it is uneven, therefore the deflector on the second airflow-distribution board and the 3rd airflow-distribution board can be played effectively to air-flow
The effect of water conservancy diversion so that air flow method is uniform.
Further, puff prot, the puff prot are provided between second airflow-distribution board and the 3rd airflow-distribution board
The top of import reducer pipe is fixedly installed on, the puff prot is arranged on import reducer pipe in certain inclined at inclination angles, institute
Puff prot connecting fan is stated, the blower fan is provided with temperature exchanger, and the temperature exchanger connects controller；The import becomes
Footpath pipe is provided with detection hole, and the detection hole is provided with temperature detector, and the temperature detector connects the controller.According to inspection
The gas temperature that the temperature control puff prot that gaging hole detects sprays.
Further, the 4th air distribution plate is provided with above the puff prot, the 4th air distribution plate is fixedly connected on import change
On the pipe of footpath.The air-flow that puff prot sprays effectively can be uniformly distributed by the 4th air distribution plate, reduce the airflow influence to boiler smoke.
Further, the detection hole is provided with flow rate detector, and the flow rate detector connects the controller.Detection hole
Flow velocity can be monitored in real time, and flow velocity is detected and fed back on controller, controller control puff prot sprays the flow velocity of gas,
Accomplish intelligentized control method.
Further, the angle of inclination of the deflector is 30-60 °.
Further, the percent opening of the airflow-distribution board is 35-60%.
Further, the housing of the wet electrical dust precipitator is provided with ladder, platform, maintenance door.
Further, the dirt pocket bottom is provided with bearing.
The beneficial effects of the utility model：Import reducer pipe is provided with airflow-distribution board, and airflow-distribution board connection distribution grid shakes
Beat device, the air flow method of tunnel gas is uniform, and the dust being distributed on dust motor is uniform, spray Water spray when can be effectively quick
The dust cleaned out on collecting electrode, good dedusting effect, improve the uniformity of air flow method, purifying rate can be reached 99%.
Brief description of the drawings
Fig. 1, structural representation of the present utility model；
Fig. 2, the utility model controller control principle drawing.
Reference numerals list：Housing 100, insulation room 1, charge device 2, electrode fixing device 3, dirt pocket 4, electric discharge negative electrode
41st, dust anode 42, import reducer pipe 5, detection hole 51, temperature detector 52, flow rate detector 53, outlet reducer pipe 6, air-flow
Distribution grid 7, rapping apparatus 70, the first airflow-distribution board 71, the second airflow-distribution board 72, deflector 721, the 3rd airflow-distribution board
73rd, puff prot 74, controller 75, the 4th air distribution plate 76, blower fan 77, temperature exchanger 78, electrode fixing device 8, spray equipment
8th, ash bucket 9, ladder 200, platform 300, maintenance door 400, bearing 500.
Embodiment
With reference to the accompanying drawings and detailed description, the utility model is furtherd elucidate, it should be understood that following specific embodiment parties
Formula is merely to illustrate the utility model rather than limitation the scope of the utility model.
Embodiment 1
A kind of boiler smoke wet electrical dust precipitator as shown in Figure 1, including housing 100, case top are provided with insulation room 1,
The insulation room side is provided with charge device 2, and insulation interior is provided with electrode fixing device 3, and insulation is provided with dirt pocket 4 below room,
Import reducer pipe 5 is provided with the left of dirt pocket, dirt pocket right side is provided with airflow-distribution board provided with outlet reducer pipe 6, import reducer pipe
7, airflow-distribution board connection distribution grid rapping apparatus 70, dirt pocket is interior to be provided with electric discharge negative electrode 41, dust anode 42, discharges on negative electrode
Portion connects charge device by electrode fixing device, and spray equipment 8 is provided with the top of dirt pocket, and the spray head of spray equipment is corresponding to be collected
Dirt anode, dirt pocket lower section connection ash bucket 9.
Airflow-distribution board include the first airflow-distribution board 71, the second airflow-distribution board 72, the 3rd airflow-distribution board 73, second
The bottom of airflow-distribution board is provided with deflector 721, and deflector is arranged on distribution grid in certain inclined at inclination angles；3rd air-flow
Distribution grid is provided with deflector, and deflector is arranged on distribution grid in certain inclined at inclination angles, and the angle of inclination of deflector is equal
For 30-60 °.In the present embodiment, the percent opening of airflow-distribution board is 35-60%.Due in flue gas dust by self gravitation
Influence moves downward when being moved in import reducer pipe, and top dust concentration is low, and bottom dust concentration is high, causes air flow method not
.
Puff prot 74 is provided between second airflow-distribution board and the 3rd airflow-distribution board, puff prot is fixedly installed on import change
The top of footpath pipe, puff prot connecting fan 77, blower fan are provided with temperature exchanger 78, and temperature exchanger is electrically connected with controller
75, controller is arranged on housing；Import reducer pipe is additionally provided with detection hole 51, and detection hole is provided with temperature detector 52, temperature inspection
Survey device and be electrically connected with controller.Heat exchanger sprays cold air using condensation water heat exchanger, realization, and boiler smoke is cooled down,
The cold air temperature that the temperature control puff prot detected according to detection hole sprays, it is ensured that temperature is unsuitable too low, causes local boiler
Flue gas condensing it is serious, avoid the temperature difference from causing larger airflow fluctuation.On the one hand, flue gas produces a large amount of condensate liquids after cooling
Drop, the dust anode entered with flue gas in dirt pocket, be advantageous to dust anode surface and form the stable moisture film flowed naturally, powder
Dirt is unsuitable hardened, reduces the spray number of dust anode top.On the other hand, the water droplet bag after the dust in flue gas is cooled
Enclose, increase dust size size, can be achieved to catch the dust of PM2.5 once, dust removing effects further improve.In addition, pot
After kiln gas is cooled down, air-flow velocity reduces, and increases residence time of the flue gas in dirt pocket, further enhancing dedusting effect
Fruit.
The 4th air distribution plate 76 is provided with above puff prot, the 4th air distribution plate is fixedly connected on import reducer pipe.4th cloth
The air-flow that puff prot sprays effectively can be uniformly distributed by aerofoil, and airflow fluctuation can be reduced by carrying out stream to cold air, be reduced to pot
The airflow influence of kiln gas.
Detection hole is provided with flow rate detector 53, and flow rate detector is electrically connected with controller.Detection hole can monitor stream in real time
Speed, flow velocity is detected and fed back on controller, controller control puff prot sprays the flow velocity of gas, accomplishes intelligent control
System, the gas flow rate for keeping puff prot to spray is consistent with the filtering flue gas flow rate in import reducer pipe, avoids flow velocity difference from causing
Airflow fluctuation.
The housing of wet electrical dust precipitator is provided with ladder 200, platform 300, maintenance door 400.Facilitate maintenance overhaul.
Dirt pocket bottom is provided with bearing 500.Bearing plays fixed support.
Wet electrical dust precipitator operation principle is：Charged, collection, deashing.High-voltage corona discharge causes dust charged, after charged
Dust dust plate tube is reached in the presence of electric field force, by the way of periodic flushing, make dust with the flowing for washing away liquid
And remove.Wet electrical dust precipitator mainly handles aqueous higher or even saturation humid gas.Wet electrical dust precipitator one kind is using resistance to
Etching conductive material (can be the excellent nonmetallic materials of electric conductivity or the metal material with corrosion resistance characteristic), which is done, to be collected
Dirt pole, one kind are to be formed the nonconducting nonmetallic materials of conductive moisture film with by water spray or overflow water and done dust collecting electrode.
Technological means disclosed in the utility model is not limited only to the technological means disclosed in above-mentioned embodiment, also
Including being combined formed technical scheme by above technical characteristic.It should be pointed out that the ordinary skill for the art
For personnel, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these are improved and profit
Decorations are also considered as the scope of protection of the utility model.
Claims (8)
- A kind of 1. boiler smoke wet electrical dust precipitator, it is characterised in that：Including housing, the case top is provided with insulation room, institute State insulation room side and be provided with charge device, the insulation interior is provided with electrode fixing device, import is provided with the left of the dirt pocket Outlet reducer pipe is provided with the right side of reducer pipe, dirt pocket, the import reducer pipe is provided with airflow-distribution board, and the airflow-distribution board connects Distribution grid rapping apparatus is connect, the airflow-distribution board includes the first airflow-distribution board, the second airflow-distribution board, the 3rd air flow method Plate, the bottom of second airflow-distribution board are provided with deflector, and the deflector is arranged on distribution in certain inclined at inclination angles On plate；3rd airflow-distribution board is provided with deflector, and the deflector is arranged on distribution grid in certain inclined at inclination angles On；Electric discharge negative electrode, dust anode are provided with the dirt pocket, the electric discharge negative electrode top connects charged by electrode fixing device Device, is provided with spray equipment at the top of the dirt pocket, and the spray head of the spray equipment corresponds to dust anode, under the dirt pocket Side's connection ash bucket.
- A kind of 2. boiler smoke wet electrical dust precipitator as claimed in claim 1, it is characterised in that：Second airflow-distribution board Puff prot is provided between the 3rd airflow-distribution board, the puff prot is fixedly installed on the top of import reducer pipe, the jet Mouth is arranged on import reducer pipe in certain inclined at inclination angles, and the puff prot connecting fan, the blower fan is provided with temperature Exchanger, the temperature exchanger connect controller；The import reducer pipe is provided with detection hole, and the detection hole is provided with temperature Detector, the temperature detector connect the controller.
- A kind of 3. boiler smoke wet electrical dust precipitator as claimed in claim 2, it is characterised in that：It is provided with above the puff prot 4th air distribution plate, the 4th air distribution plate are fixedly connected on import reducer pipe.
- A kind of 4. boiler smoke wet electrical dust precipitator as claimed in claim 2, it is characterised in that：The detection hole is provided with flow velocity Detector, the flow rate detector connect the controller.
- A kind of 5. boiler smoke wet electrical dust precipitator as claimed in claim 1, it is characterised in that：The inclination angle of the deflector Spend for 30-60 °.
- A kind of 6. boiler smoke wet electrical dust precipitator as claimed in claim 1, it is characterised in that：The airflow-distribution board is opened Porosity is 35-60%.
- A kind of 7. boiler smoke wet electrical dust precipitator as claimed in claim 1, it is characterised in that：The wet electrical dust precipitator Housing is provided with ladder, platform, maintenance door.
- A kind of 8. boiler smoke wet electrical dust precipitator as claimed in claim 1, it is characterised in that：The dirt pocket bottom is provided with Bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720531057.3U CN206911571U (en) | 2017-05-15 | 2017-05-15 | Boiler smoke wet electrical dust precipitator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720531057.3U CN206911571U (en) | 2017-05-15 | 2017-05-15 | Boiler smoke wet electrical dust precipitator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206911571U true CN206911571U (en) | 2018-01-23 |
Family
ID=61308948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720531057.3U Withdrawn - After Issue CN206911571U (en) | 2017-05-15 | 2017-05-15 | Boiler smoke wet electrical dust precipitator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206911571U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106994392A (en) * | 2017-05-15 | 2017-08-01 | 江苏瑞洁环境工程科技有限责任公司 | Boiler smoke wet electrical dust precipitator |
-
2017
- 2017-05-15 CN CN201720531057.3U patent/CN206911571U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106994392A (en) * | 2017-05-15 | 2017-08-01 | 江苏瑞洁环境工程科技有限责任公司 | Boiler smoke wet electrical dust precipitator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180123 Effective date of abandoning: 20180612 |
|
| AV01 | Patent right actively abandoned |