CN206549356U - Spiral water film dust removal device based on turbulent flow coalescence - Google Patents
Spiral water film dust removal device based on turbulent flow coalescence Download PDFInfo
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- CN206549356U CN206549356U CN201720256237.5U CN201720256237U CN206549356U CN 206549356 U CN206549356 U CN 206549356U CN 201720256237 U CN201720256237 U CN 201720256237U CN 206549356 U CN206549356 U CN 206549356U
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- dust removal
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Abstract
The application is related to a kind of spiral water film dust removal device based on turbulent flow coalescence, including deduster body, the dividing plate with slag-drip opening is provided with the middle part of deduster body, the rotating shaft with helical blade is horizontally arranged with deduster body above dividing plate, it is deslagging cavity below dividing plate, deslagging cavity lower end is connected with deslagging pipeline and connected with sedimentation basin；Air inlet pipeline, gas exhaust piping and water pipe are connected with above deduster body, wherein air inlet pipeline and gas exhaust piping is respectively arranged at the offside of deduster body；Sensor of dust concentration is provided with air inlet pipeline inlet end, the turbofan that rotating speed is controlled to adjust by PLC is provided with thereafter；The centrifugal pump being additionally provided with deduster body in the level sensor being connected with PLC, water pipe controls to adjust rotating speed by PLC.Combination of the application based on turbulent flow coagulating technique and spiral water membrane technology, makes the dust of dust coalescence into the bulky grain of fine particle be easy to trapping.
Description
Technical field
The application is related to a kind of spiral water film dust removal device based on turbulent flow coalescence.
Background technology
Fine dust now（Particulate matter of the equivalent aerodynamic diameter at 0.1 ~ 5 μm）Particularly PM2.5（Air force
Learn the particulate matter of 2.5 μm or so of equivalent diameter）Pollution turn into prominent atmospheric environment problem, be increasingly subject to countries in the world
Pay much attention to.PM2.5 can cause to seriously endanger to health and atmospheric environment, and numerous studies show：Fine dust particle diameter is small,
Specific surface area is big, surface attached poisonous and harmful substance and can be stayed in air for a long time, is the major pollutants of atmosphere pollution,
Significant damage is caused to health and atmosphere quality.
It is slightly inadequate that conventional dust removal technology is applied to trapping fine dust, it is impossible to which meeting the strict discharge standard of country will
Ask.Therefore, a large number of researchers have carried out the research of composite dedusting technology, such as electric bag composite dedusting, electrostatic cyclone precipitation, electrostatic filter
Cylinder dedusting etc., but because fine dust particle diameter is small, arresting efficiency improves unobvious, there is also as cost increase, complex operation,
Material requires the various problems such as raising.It is small for fine dust particle diameter, it is difficult to which that be captured this feature, coalescence pretreatment dedusting skill
Art preferably solves this problem, so that the research of coagulating technique receives unprecedented attention.
Coalescence refers to the process of that fine dust is contacted with each other by approach physically or chemically and is combined into larger particles.It is micro-
Fine dust coalescence is into after larger particles, it is easier to trapped by deduster.The experimental results show that coagulating technique is to collect fine
A kind of effective ways of dust.The current coagulating technique studied both at home and abroad mainly has:Coagulation simultaneously, sound coalescence, steam phase transforming coalescence,
Heat setting simultaneously, magnetic coalescence, turbulent flow coalescence, chemical coalescence and light coalescence etc..
Turbulent flow coalescence refers to that fine dust has an obvious nucleation and coalescence phenomenon in the jet of turbulent flow, and nucleation and solidifying
And dust will further grow up.General only at high temperature or when Reynolds number is larger, effect is just more apparent.Turbulent flow coalescence is ground
Study carefully main in terms of theoretical sum value simulation, be specifically used in less utilization in actual dedusting.
In the prior art, mainly using following three kinds of mode dedustings:
The first, electric bag dust, the novel energy-saving high-efficiency of two kinds of dust removal mechanisms of organic integration electrostatic precipitation and dust removal by filtration
Deduster.Powered using high-frequency and high-voltage power supply, monoblock type is laid out, the multinomial special technology such as electricity, bag area excessive structural；This kind of mode
Energy consumption is larger, and apparatus and process is complicated, and cumbersome, maintenance capacity is big（The replacing of filter bag）, filter bag loss is big, for fine particle powder
Dirt efficiency of dust collection is not good enough；
Second, electrostatic cyclone dust device, with electrostatic principle and whirlwind, two kinds of organic integration electrostatic precipitation and dust removal by filtration
The novel deduster of dust removal mechanism.Powered using high-frequency and high-voltage power supply, monoblock type is laid out, the multinomial skill such as electricity, bag area excessive structural
Art.Electrostatic cyclone, high equipment cost, equipment noise is big, and noise causes secondary pollution, and equipment energy consumption is big, maintenance cost
High shortcoming；
The third, sack cleaner carries out dust removal by filtration using filter bag.Filter bag loss is big, changes filter bag cumbersome.
The content of the invention
The purpose of the application is to propose that a kind of be combined with spiral moisture film with turbulent flow coalescence theory carries out effective dedusting
The spiral water film dust removal device based on turbulent flow coalescence.
What the purpose of the application was realized in：Spiral water film dust removal device based on turbulent flow coalescence includes deduster sheet
Body, is provided with the deduster body above the dividing plate with slag-drip opening, dividing plate in the middle part of deduster body and is horizontally arranged with band
It is deslagging cavity to have below the rotating shaft of helical blade, dividing plate, and deslagging cavity lower end is connected with deslagging pipeline and connected with sedimentation basin；
Air inlet pipeline, gas exhaust piping and water pipe are connected with above deduster body, wherein air inlet pipeline and gas exhaust piping is set respectively
It is placed in the offside of deduster body；Sensor of dust concentration is provided with air inlet pipeline inlet end, is provided with is controlled by PLC thereafter
Device processed controls to adjust the turbofan of rotating speed；The level sensor being connected with PLC is additionally provided with deduster body,
Centrifugal pump in water pipe controls to adjust rotating speed by PLC.
The rotating shaft is driven by variable-frequency motor, and motor controls to adjust rotating speed, helical-blade by PLC
Piece can be stirred current by the lateral gas exhaust piping side of air inlet pipeline.
The water pipe is connected with clear water reserviors, and is provided with flow-limiting valve, and the aperture of flow-limiting valve is controlled to adjust by PLC
Section, to deduster body can be pumped into dedusting liquid by the centrifugal pump that is arranged in clear water reserviors.
Spray chamber is provided with the gas exhaust piping, final dusting can be carried out.
It is equiped with the slag-drip opening on deslagging magnetic valve, deslagging pipeline and is provided with deslagging main valve.
Deduster body upper part is provided with overflow pipe, finder outlet end is turned on sedimentation basin.
Combination of the application based on turbulent flow coagulating technique and spiral water membrane technology, using spiral propeller, forms turbulent flow and coagulates
And, the dust of dust coalescence into the bulky grain of fine particle is easy to trapping, trickle different types of dust can be removed
Dirt, including contain the dust such as poisonous and hazardous flue dust；The application is not bullied the influences of the adverse circumstances such as epidemic disaster, electrostatic etc., reason
By can above handle the air quantity of any size, the efficiency of dust collection of efficiency of dust collection up to more than 97%, especially respirable dust will reach
More than 90%.
Brief description of the drawings：The concrete structure of the application is provided by following drawings and examples：
Fig. 1 is the structural representation of the application；
Fig. 2 is the circuit control schematic diagram of the application；
Fig. 3 is the structure principle chart of the application.
Legend：1st, sensor of dust concentration, 2, turbofan, 3, air inlet electromagnetic valve, 4, air inlet pipeline, 5, deduster sheet
Body, 6, level sensor, 7, spray chamber, 8, water pipe, 9, overflow pipe, 10, gas exhaust piping, 11, flow-limiting valve, 12, centrifugal pump,
13rd, sedimentation basin, 14, deslagging main valve, 15, deslagging pipeline, 16, slag-drip opening, 17, helical blade, 18, rotating shaft, 19, motor.
Embodiment：
The application is not limited by following embodiments, can be determined according to the technical scheme of the application with actual conditions specific
Embodiment.
Embodiment：As shown in figure 1, the spiral water film dust removal device based on turbulent flow coalescence includes deduster body 5, in dedusting
The middle part of device body 5, which is provided with the deduster body 5 above the dividing plate with slag-drip opening 16, dividing plate, to be horizontally arranged with spiral
It is deslagging cavity below the rotating shaft 18 of blade 17, dividing plate, deslagging cavity lower end is connected with deslagging pipeline 15 and connected with sedimentation basin 13；
Air inlet pipeline 4, gas exhaust piping 10 and water pipe 8, wherein air inlet pipeline 4 and blast pipe are connected with the top of deduster body 5
Road 10 is respectively arranged at the offside of deduster body 5；Sensor of dust concentration 1 is provided with the inlet end of air inlet pipeline 4, thereafter
It is provided with the turbofan 2 that rotating speed is controlled to adjust by PLC；It is additionally provided with and connects with PLC in deduster body 5
Centrifugal pump 12 in the level sensor 6 connect, water pipe 8 controls to adjust rotating speed by PLC.
The rotating shaft 18 is driven by variable-frequency motor 19, and motor 19 controls to adjust rotating speed by PLC,
Helical blade 17 can be stirred current by the lateral side of gas exhaust piping 10 of air inlet pipeline 4.
The water pipe 8 is connected with clear water reserviors, and is provided with flow-limiting valve 11, and the aperture of flow-limiting valve 11 is by PLC
Control to adjust, dedusting liquid to deduster body 4 can be pumped into by the centrifugal pump 12 that is arranged in clear water reserviors.
Spray chamber 7 is provided with the gas exhaust piping 10, final dusting can be carried out.
It is equiped with the slag-drip opening 16 on deslagging magnetic valve, deslagging pipeline 15 and is provided with deslagging main valve 14.
The top of deduster body 5 is provided with overflow pipe 9, the port of export of overflow pipe 9 is turned on sedimentation basin 13.
As shown in Figure 2,3, Automated condtrol can be realized in this application, be specifically：One PLC is set, will be upper
State sensor of dust concentration 1, turbofan 2, level sensor 6, centrifugal pump 12, flow-limiting valve 11, deslagging magnetic valve, deslagging main valve
14th, motor 19 is connected with PLC circuit.It is sucked into dust arrester, contains by turbofan 2 when containing dust air-flow
Dust and gas stream passes through sensor of dust concentration 1, the motor when the dust concentration value in dust-contained airflow exceedes national Specification
19 start, and drive helical blade 17 to rotate, there are sealed bearings propeller shaft both sides, it is ensured that the dust suppression fluid in dust arrester is not outer
Let out, in the presence of the rotation of helical blade 17, turbulent flow coalescence effect is formed in deduster, make the dust that is mingled with deduster
Bubble is accelerated, while being combined into larger being contacted with each other along during the conduct of helical blade 17 in dust bubble
Grain process, fine solid particle coalescence regularly discharges the dust precipitated into deslagging magnetic valve after larger particles and enters deslagging pipeline
15, the deslagging main valve 14 on deslagging pipeline 15 is opened, and is drained into sedimentation basin 13；Air purify simultaneously after enters spray chamber 7
Interior, the liquid that spray head one water curtain of formation is carried out in secondary dust removing, deduster can be reduced with the discharge of dust, now by
Water level signal is transmitted to PLC by level sensor 6, at any time by the liquid make-up of centrifugal pump 12, if the position of fluid infusion setting
Put, discharged by overflow pipe 9 in surplus liquid to sedimentation basin 13, control the flow of liquid on water pipe 8 equipped with flow-limiting valve 11.
The compound dust-collection device that the present invention is combined with turbulent flow coalescence theory with spiral moisture film, turbulent flow is that one kind is not advised very much
Flow phenomenon then, field of turbulent flow must have whirlpool（The formation of whirlpool is produced by the helical blade 17 in the application）, it
Vorticity be random distribution, and by a variety of pulsation vorticitys（Often claim rapid nest）Composition.Field of turbulent flow is by all size and whirlpool
The different vortex of amount is formed by stacking, and the size of turbulent flow is controlled by the frequency control of the motor 19 of drive helical blade 17
, and in dust removal process, the size of required turbulent flow be also the dust concentration size that is received by sensor of dust concentration 1 Lai
Determine.
Turn jet is that free jet is put english the compound flowing of the one kind turned, and it flows is in turbulent condition mostly.Using spiral shell
The mode of putting english of vane piece 17 forms low turbulent fluctuation turn jet in deduster body 4.
When needing to strengthen the quality and energy dissipation of flowing, the rotating speed of motor 19 reinforcing turbulent flow can be lifted.
Above technical characteristic constitutes the most preferred embodiment of the application, and it has stronger adaptability and optimal implementation effect
Really, inessential technical characteristic can be increased and decreased according to actual needs, the need for meeting different situations.
Claims (6)
1. a kind of spiral water film dust removal device based on turbulent flow coalescence, including deduster body, are set in the middle part of deduster body
There is the dividing plate with slag-drip opening, it is characterised in that：It is horizontally arranged with deduster body above dividing plate with helical blade
It is deslagging cavity below rotating shaft, dividing plate, deslagging cavity lower end is connected with deslagging pipeline and connected with sedimentation basin；On deduster body
Side is connected with air inlet pipeline, gas exhaust piping and water pipe, and wherein air inlet pipeline and gas exhaust piping is respectively arranged at deduster sheet
The offside of body；Sensor of dust concentration is provided with air inlet pipeline inlet end, is provided with is controlled to adjust by PLC thereafter
The turbofan of rotating speed；It is additionally provided with deduster body in the level sensor being connected with PLC, water pipe
Centrifugal pump controls to adjust rotating speed by PLC.
2. the spiral water film dust removal device as claimed in claim 1 based on turbulent flow coalescence, it is characterised in that：The rotating shaft is by can
The motor driving of frequency conversion, motor controls to adjust rotating speed by PLC, and helical blade can be by current by air inlet pipeline
Lateral gas exhaust piping side agitation.
3. the spiral water film dust removal device as claimed in claim 1 based on turbulent flow coalescence, it is characterised in that：The water pipe
Connected with clear water reserviors, and be provided with flow-limiting valve, the aperture of flow-limiting valve is controlled to adjust by PLC, can be by being arranged on clear water
Centrifugal pump in pond is pumped into dedusting liquid to deduster body.
4. the spiral water film dust removal device as claimed in claim 1 based on turbulent flow coalescence, it is characterised in that：The gas exhaust piping
On be provided with spray chamber, final dusting can be carried out.
5. the spiral water film dust removal device as claimed in claim 1 based on turbulent flow coalescence, it is characterised in that：On the slag-drip opening
It is equiped with deslagging magnetic valve, deslagging pipeline and is provided with deslagging main valve.
6. the spiral water film dust removal device as claimed in claim 1 based on turbulent flow coalescence, it is characterised in that：In deduster body
Top is provided with overflow pipe, and finder outlet end is turned on sedimentation basin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720256237.5U CN206549356U (en) | 2017-03-16 | 2017-03-16 | Spiral water film dust removal device based on turbulent flow coalescence |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720256237.5U CN206549356U (en) | 2017-03-16 | 2017-03-16 | Spiral water film dust removal device based on turbulent flow coalescence |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106731342A (en) * | 2017-03-16 | 2017-05-31 | 新疆工程学院 | Spiral water film dust removal device based on turbulent flow coalescence |
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- 2017-03-16 CN CN201720256237.5U patent/CN206549356U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106731342A (en) * | 2017-03-16 | 2017-05-31 | 新疆工程学院 | Spiral water film dust removal device based on turbulent flow coalescence |
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