CN207756287U - A kind of New type wet electrical dust collector device - Google Patents
A kind of New type wet electrical dust collector device Download PDFInfo
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- CN207756287U CN207756287U CN201820233743.7U CN201820233743U CN207756287U CN 207756287 U CN207756287 U CN 207756287U CN 201820233743 U CN201820233743 U CN 201820233743U CN 207756287 U CN207756287 U CN 207756287U
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- pole plate
- dust collecting
- collecting pole
- dust
- row
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Abstract
The utility model is related to deduster fields, provide a kind of New type wet electrical dust collector device, including dirt pocket that is setting up and down and being connected to and blowdown room, dirt pocket has the two side being oppositely arranged, one side wall is equipped with air intake vent, another side wall is equipped with mist eliminating zone and air outlet, in dirt pocket multiple row dust collecting pole plate is equipped with along the direction of air intake vent to air outlet, have between two neighboring dust collecting pole plate equipped with a corona wire in one row dust collecting pole plate, corona wire is electrically connected with high voltage power supply, it is equipped with equal two spray tubes in the " V " shape opening of each dust collecting pole plate, gas is discharged from air outlet after air intake vent enters dirt pocket by mist eliminating zone again；Wet-type spray and electrostatic precipitation are combined together by the utility model, dust is soaked, the security risk of dry electrostatic cleaner caused by the problems such as efficiently solving due to friction, electrostatic, and it is sprayed at dust collecting pole plate back, little water can form uniform water mist, water spray is efficiently reduced, efficiency of dust collection is improved.
Description
Technical field
The utility model is related to deduster fields, specifically provide a kind of wet cottrell.
Background technology
Under the background that a series of Air Pollutant Emissions that China is generated by economic rapid development sharply increase, severe day
The emergence of gas, this phenomenon impact China's health and social sustainable development.Electrostatic precipitator is current
The widest dedusting and purifying device of commercial Application, although its high dust collection efficiency, energy consumption it is small, processing flue gas capacity it is big, still deposit
It is insufficient to the treatment effect of viscous wet and ultra tiny dust the problems such as device structure is complicated, bulky, of high cost；Traditional
Wet scrubber has fine particle and acid aerosol very high arresting efficiency, but there is also many deficiencies, in deduster
Portion top and the bottom humidity difference is larger, and ash-removal effect deficiency causes to influence efficiency of dust collection, and the higher consumptive material of height is larger, whole investment compared with
It is high.
And the fossil-fuel power plant atmospheric pollutant emission standard that new environmental law is put into effect by flue dust highest permissible discharge standard by 50mg/
Nm3It is increased to 20mg/Nm3.New discharge standard makes most of existing cleaners be difficult to qualified discharge, this is to cleaner
There is higher requirement.A big hot spot is had become to the research of fine dust processing at present, to new and effective, economic and practical
The research of deduster become the important trend of following deduster development.
Utility model content
In response to the deficiencies in the existing technology, the utility model provides a kind of New type wet electrostatic precipitator, will be wet
Formula spray be combined together with electrostatic precipitation, dust is soaked, efficiently solve due to rub, electrostatic the problems such as caused by dry type
The security risk of electrostatic precipitator, and electrical dust collector device volume is effectively reduced, while improving efficiency of dust collection.
The utility model is to realize above-mentioned technical purpose by following technological means.
A kind of New type wet electrical dust collector device, including dirt pocket setting up and down and blowdown room, the dirt pocket and blowdown
Room is connected to, and there is the dirt pocket two side being oppositely arranged, one side wall to be equipped with air intake vent, and another side wall is equipped with mist eliminating zone
And air outlet, gas are discharged from air outlet after air intake vent enters dirt pocket by mist eliminating zone again；
Multiple dust collecting pole plates, more corona wires and spray tube are equipped in the dirt pocket, the dust collecting pole plate is strip
And it arranges vertically, the cross section of dust collecting pole plate is " V " shape, and the two sides of dust collecting pole plate are arc-shaped hook, dust collecting pole plate
" V " shape opening is equidistantly arranged in a row between multiple dust collecting pole plates, misplaces between adjacent two row dust collecting pole plate towards air outlet
Arrangement is equipped with multiple row dust collecting pole plate in dirt pocket along the direction of air intake vent to air outlet, two neighboring receipts in a row dust collecting pole plate
Have between dirt pole plate equipped with a corona wire, the corona wire is electrically connected with high voltage power supply, each dust collecting pole plate
Equal two spray tubes are equipped in " V " shape opening, the spray tube is vertically arranged, is uniformly provided with from top to bottom on the spray tube more
A nozzle sets, each nozzle sets include multiple nozzles being uniformly arranged in the circumferential direction.
Preferably, the blowdown room be include multiple funnelform sludge discharge devices.
Preferably, two spray tubes the distance between and the distance between the axis that is hooked with adjacent arc of spray tube
It is equal.
Preferably, the number of the nozzle sets on the spray tube is seven, and the nozzle number in each nozzle sets is eight.
Preferably, angle is 60 °~120 ° inside the " V " shape of the dust collecting pole plate, two neighboring in a row dust collecting pole plate
Clearance distance between dust collecting pole plate is the 30%~50% of dust collecting pole plate width, is flowed through between two neighboring dust collecting pole plate side
Flue gas mean flow rate be 1.0m/s~3.0m/s.
Preferably, between adjacent two row dust collecting pole plate, the center face of each dust collecting pole plate is another in a row dust collecting pole plate
In row dust collecting pole plate between two neighboring dust collecting pole plate gap center.
Preferably, in the few row dust collecting pole plate of dust collecting pole plate number, it is located at the dust collecting pole plate and dirt pocket at both ends
Gap location between inner wall is equipped with a corona wire.
Preferably, the corona wire being arranged in each row dust collecting pole plate is located at the front and rear sides of the adjacent corresponding dust collecting pole plate of a row
Center line on, and the corona wire being arranged in each row dust collecting pole plate is respectively positioned on same straight line.
Preferably, the corona wire and dust collecting pole plate are made of conductive, resistance to electric spark and corrosion resistant composite material.
Preferably, air-introduced machine is equipped at the air outlet.
Preferably, dust collecting pole plate size at a distance from corona wire allows the maximum voltage of setting at just with corona wire
Than.
The utility model dusty gas flows into dirt pocket, and the dust under water mist effect passes through the processes quilts such as charged, collision
It is adsorbed in the back of dust collecting pole plate and falls into dust chamber from up to down, reach purpose of gathering dust.
The beneficial effects of the utility model：
1) Wet-type spray and electrostatic precipitation are combined together by the utility model, and dust is soaked, efficiently solve due to
The security risk of dry electrostatic cleaner caused by the problems such as friction, electrostatic, and sprayed at dust collecting pole plate back, little water
Uniform water mist can be formed, water spray is efficiently reduced, improves efficiency of dust collection.
2) Design of Electrostatic Precipitator that the utility model uses can increase charged near dust collecting pole plate for two-volute structure
The collision probability of dust, to improve the coalescence probability of Charged, the airflow direction of pole plate shape and air inlet is formed centainly
Angle, can guidance quality control air flow direction, significantly reduce energy consumption.
3) the utility model places spray tube at the center of two, dust collecting pole plate back vortex, can effectively improve pair
The collection efficiency of ultra-fine particles, while the cleaning to dust collecting pole plate and deashing can be completed by adjusting water spray.In addition,
Dust charged, coalescence and the process of gathering dust of New type wet electric precipitator are completed in a region, can effectively reduce electric precipitator
Volume, to reduce cost.
4) Wet-type spray and electrostatic precipitation are combined together by the utility model, and dust is soaked, and can effectively remove gas
Sulfide in body.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of New type wet electrical dust collector device described in the utility model.
Fig. 2 is a kind of vertical view of wet-electrostatic precipitator described in the utility model.
Fig. 3 is the vertical view of spray tube described in the utility model and dust collecting pole plate.
Fig. 4 is the structural schematic diagram of spray tube described in the utility model.
Fig. 5 is the experimental result picture that applying pulsed direct current presses U to influence dust-collecting efficiency η.
Fig. 6 is the experimental result picture that soot dust granule grain size influences dust-collecting efficiency η.
In figure：1- air intake vents, 2- dust collecting pole plates, 3- sludge discharge devices, 4- blowdowns room, 5- mist eliminating zones, 6- air outlets, 7-
Spray tube, 8- corona wires, 9- air-introduced machines, 10- dirt pockets.
Specific implementation mode
Below in conjunction with the accompanying drawings and specific embodiment is further described the utility model, but the guarantor of the utility model
Shield range is not limited to this.
As shown in Figure 1, a kind of New type wet electrical dust collector device described in the utility model, including what is be wholely set up and down are removed
Dirt room 10 and blowdown room 4, dirt pocket 10 are connected to blowdown room 4, and dirt pocket 10 has the two side being oppositely arranged, and is set in one side wall
There are air intake vent 1, another side wall to be equipped with mist eliminating zone 5 and air outlet 6, gas is after air intake vent 1 enters dirt pocket 10 by demisting
Area 5 is discharged from air outlet 6 again；
As shown in Fig. 2, being equipped with multiple dust collecting pole plates 2, more corona wires 8 and spray tube 7, dust collecting pole plate 2 in dirt pocket 10
It arranges for strip and vertically, as shown in figure 3, the cross section of dust collecting pole plate 2 is " V " shape, the two sides of dust collecting pole plate 2 are circle
The " V " shape opening of arc hook, dust collecting pole plate 2 is equidistantly arranged in a row towards air outlet 11 between multiple dust collecting pole plates 2,
Misplace arrangement between adjacent two row dust collecting pole plate 2, gathers dust equipped with multiple row along the direction of air intake vent 1 to air outlet 6 in dirt pocket 10
Pole plate 2, preferably, between adjacent two row dust collecting pole plate 2, the center face of each dust collecting pole plate 2 is another in a row dust collecting pole plate 2
In one row dust collecting pole plate 2 between two neighboring dust collecting pole plate 2 gap center.
Preferably, angle is 60 °~120 ° inside the " V " shape of dust collecting pole plate 2, two neighboring in a row dust collecting pole plate 2
Clearance distance between dust collecting pole plate 2 is the 30%~50% of 2 width of dust collecting pole plate, flows through 2 side of two neighboring dust collecting pole plate
Between flue gas flow rate be 3m/s~10m/s.
Have between two neighboring dust collecting pole plate 2 equipped with a corona wire 8 in one row dust collecting pole plate 2, it is preferable that dust collector pole
In the few row dust collecting pole plate 2 of 2 numbers of plate, the gap location between the dust collecting pole plate 2 and the inner wall of dirt pocket 10 at both ends is set
There are a corona wire 8, the corona wire 8 being arranged in each row dust collecting pole plate 2 to be located at an adjacent row and correspond to front and back the two of dust collecting pole plate 2
On the center line of side, and the corona wire 8 being arranged in each row dust collecting pole plate 2 is respectively positioned on same straight line, corona wire 8 and high pressure
Power electric connection.Corona wire 8 and dust collecting pole plate 2 are made of conductive, resistance to electric spark and corrosion resistant composite material, such as macromolecule
Textile material, carbon fibre fabric.
Equal two spray tubes 7 are equipped in the " V " shape opening of each dust collecting pole plate 2, spray tube 7 is vertically arranged, excellent
Selection of land, two spray tubes 7 the distance between and spray tube 7 it is equal with the distance between axis that adjacent arc hooks, i.e.,
Line between the axis that two arcs hook on dust collecting pole plate 2 is L lines, and two trisection points on L lines are in dust collecting pole plate 2
The position of corresponding spray tube 7.As shown in figure 4, multiple nozzle sets are uniformly provided on spray tube 7 from top to bottom, each nozzle sets packet
Contain multiple nozzles being uniformly arranged in the circumferential direction.Preferably, the number of the nozzle sets on spray tube 7 is seven, in each nozzle sets
Nozzle number be eight.
When a kind of New type wet electrical dust collector device operation described in the utility model, dusty gas enters from air inlet 1 to be removed
Dirt room 10 forms electric field in dirt pocket 10, makes to flow through the abundant lotus of flue dust therein by applying pulse voltage to corona wire 8
Electricity.Gas flows through dust collecting pole plate 2 under the action of electric field, and since the two sides of dust collecting pole plate 2 are arc-shaped hook, gas is being received
The back of dirt pole plate 2 forms binary vortices air-flow, ultra tiny under the water mist effect that the spray tube 7 in binary vortices center sprays
Particle further agglomerates, to improve efficiency of dust collection.Shower water forms uniform water film at the back of dust collecting pole plate 2, makees in gravity
It is flowed downwardly into sludge discharge device under, the dust stratification problem inside dirt pocket 10 will not be formed, then, gas passes through mist eliminating zone
5 eliminate included drop, and final purification gas is flowed out from air outlet 6.Air-introduced machine 9 is connected at air outlet 6, air-introduced machine 9 carries
For pressure, to generate gas flowing.
As shown in figure 5, pressing influence experimental results of the U to dust-collecting efficiency η for applying pulsed direct current.Experimental condition is：Have
Imitate specific collection area A=16.5m2, flue gas mean wind speed υo=1.0m/s~3.0m/s, atmospheric pressure P=101.3kPa, average cigarette
Warm T=24 DEG C, entrance is averaged total head PI=-0.21kPa exports average total head Po=-0.94kPa.
When utility model works, corona wire 8 nearby generates high-voltage corona electric field, causes corona discharge, charging particle, powder
Displacement is done under dirt electric field action, to generate dust collection effect.In a certain range, U is higher, and dust collection effect is better, and η is got over
It is high；But U is excessively high, exceeds this range, will produce spark discharge, and then dust-collecting efficiency is made to decline.By as can be seen from Figure 4：U is to η's
Effect is notable, and in the case where other conditions are stablized, η is improved with the raising of U.When U rises to 32kV by 18kV, on η
The trend of liter is notable；When U rises to 40kV by 32kV, η ascendant trends ease up, and when being higher than 40kV, η is close to 100%.
As shown in fig. 6, the experimental result influenced on dust-collecting efficiency for soot dust granule grain size.Experimental condition is：Effectively gather dust
Area A=16.5m2, flue gas mean wind speed υo=1.0m/s~3.0m/s, atmospheric pressure P=101.3kPa, average smoke temperature T=24
DEG C, entrance is averaged total head PI=-0.21kPa exports average total head Po=-0.94kPa.When external dc driving voltage is 46kV
When, under electric precipitation and wet dust removal comprehensive function, it can get higher efficiency of dust collection.When soot dust granule grain size is at 0~10 μm
Between when, η 95.8%；When between 10~30 μm, η is 96%~99%；When soot dust granule grain size is more than 30 μm, η connects
Nearly 100%.
The experimental results showed that the utility model increases flue dust carrying capacity and grain size, the charged solidifying of flue dust is effectively improved
Poly- performance greatly improves the arresting efficiency of ultra-fine particles, can effectively reduce the volume of electrical dust collector device, reduces equipment and accounts for
Ground, energy conservation and environmental protection.
The embodiment is the preferred embodiment of the utility model, but the utility model is not limited to above-mentioned embodiment party
Formula, without departing substantially from the substantive content of the utility model, those skilled in the art can make any apparent
Improvement, replacement or modification belong to the scope of protection of the utility model.
Claims (10)
1. a kind of New type wet electrical dust collector device, which is characterized in that including dirt pocket (10) setting up and down and blowdown room (4),
The dirt pocket (10) is connected to blowdown room (4), and there is the dirt pocket (10) two side being oppositely arranged, one side wall to be equipped with
Air intake vent (1), another side wall are equipped with mist eliminating zone (5) and air outlet (6), and gas is after air intake vent (1) enters dirt pocket (10)
It is discharged again from air outlet (6) by mist eliminating zone (5)；
Multiple dust collecting pole plates (2), more corona wires (8) and spray tube (7), the dust collecting pole plate are equipped in the dirt pocket (10)
(2) it is strip and arranges vertically, the cross section of dust collecting pole plate (2) is " V " shape, and the two sides of dust collecting pole plate (2) are circular arc
The " V " shape opening of shape hook, dust collecting pole plate (2) is equidistantly arranged in one towards air outlet (11) between multiple dust collecting pole plates (2)
It arranges, misplace arrangement between adjacent two row dust collecting pole plate (2), is set along the direction of air intake vent (1) to air outlet (6) in dirt pocket (10)
There is a multiple row dust collecting pole plate (2), has equipped with a corona wire between two neighboring dust collecting pole plate (2) in a row dust collecting pole plate (2)
(8), the corona wire (8) is electrically connected with high voltage power supply, and equal two are equipped in the " V " shape opening of each dust collecting pole plate (2)
Root spray tube (7), the spray tube (7) are vertically arranged, and multiple nozzle sets are uniformly provided with from top to bottom on the spray tube (7),
Each nozzle sets include multiple nozzles being uniformly arranged in the circumferential direction.
2. New type wet electrical dust collector device according to claim 1, which is characterized in that the blowdown room (4) be include more
A funnelform sludge discharge device (3).
3. New type wet electrical dust collector device according to claim 1, which is characterized in that two spray tubes (7) it
Between distance and spray tube (7) it is equal with the distance between axis that adjacent arc hooks.
4. New type wet electrical dust collector device according to claim 1, which is characterized in that the nozzle on the spray tube (7)
The number of group is seven, and the nozzle number in each nozzle sets is eight.
5. New type wet electrical dust collector device according to claim 1, which is characterized in that the " V " shape of the dust collecting pole plate (2)
Internal angle is 60 °~120 °, and the clearance distance in a row dust collecting pole plate (2) between two neighboring dust collecting pole plate (2) is to gather dust
The 30%~50% of pole plate (2) width, it is 1.0m/s to flow through the flue gas mean flow rate between two neighboring dust collecting pole plate (2) side
~3.0m/s.
6. New type wet electrical dust collector device according to claim 1, which is characterized in that adjacent two row dust collecting pole plate (2) it
Between, it is two neighboring in another row dust collecting pole plate (2) of center face of each dust collecting pole plate (2) in a row dust collecting pole plate (2) to gather dust
The center in gap between pole plate (2).
7. New type wet electrical dust collector device according to claim 6, which is characterized in that in dust collecting pole plate (2), number is few
In one row dust collecting pole plate (2), the gap location being located between the dust collecting pole plate (2) and the inner wall of dirt pocket (10) at both ends is equipped with one
Corona wire (8).
8. New type wet electrical dust collector device according to claim 7, which is characterized in that set in each row dust collecting pole plate (2)
The corona wire (8) set is located on the center line of the front and rear sides of the adjacent corresponding dust collecting pole plate (2) of a row, and each row dust collecting pole plate
(2) corona wire (8) being arranged in is respectively positioned on same straight line.
9. New type wet electrical dust collector device according to claim 1, which is characterized in that the corona wire (8) and dust collector pole
Plate (2) is made of conductive, resistance to electric spark and corrosion resistant composite material.
10. New type wet electrical dust collector device according to claim 1, which is characterized in that be equipped at the air outlet (6)
Air-introduced machine (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820233743.7U CN207756287U (en) | 2018-02-09 | 2018-02-09 | A kind of New type wet electrical dust collector device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820233743.7U CN207756287U (en) | 2018-02-09 | 2018-02-09 | A kind of New type wet electrical dust collector device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207756287U true CN207756287U (en) | 2018-08-24 |
Family
ID=63180283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820233743.7U Expired - Fee Related CN207756287U (en) | 2018-02-09 | 2018-02-09 | A kind of New type wet electrical dust collector device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207756287U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108246507A (en) * | 2018-02-09 | 2018-07-06 | 江苏大学 | A kind of New type wet electrical dust collector device |
-
2018
- 2018-02-09 CN CN201820233743.7U patent/CN207756287U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108246507A (en) * | 2018-02-09 | 2018-07-06 | 江苏大学 | A kind of New type wet electrical dust collector device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180824 Termination date: 20190209 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |