CN105289172B - Dust collection by sound wave device and its dust collection method - Google Patents
Dust collection by sound wave device and its dust collection method Download PDFInfo
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- CN105289172B CN105289172B CN201510824481.2A CN201510824481A CN105289172B CN 105289172 B CN105289172 B CN 105289172B CN 201510824481 A CN201510824481 A CN 201510824481A CN 105289172 B CN105289172 B CN 105289172B
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Abstract
The present invention provides a kind of dust collection by sound wave device and its dust collection method, blending together device includes conical taper intake section, the gas-liquid mixed bucket of bottom ventilation, the cover body for controlling the outer sonic transmissions direction of gas-liquid mixed bucket, modulation ring, atomizer and the gas compressing apparatus being arranged in gas-liquid mixed bucket for atomized drop is sprayed into into gas-liquid mixed bucket, cover body covers at the top of gas-liquid mixed bucket, arranges out vent hole in the top sidewall of gas-liquid mixed bucket；Multiple radially outwardly projections are interval with modulation ring periphery, raised periphery forms slit with gas-liquid mixed bucket inwall；Modulation ring can be rotatable around its axis in gas-liquid mixed bucket, when modulation ring is rotated in the gas-liquid mixed bucket, forms sound wave.It is particularly suited for processing the higher gas of PM2.5 contents.
Description
Technical field
The present invention relates to dedusting technology field, is specifically related to a kind of dust collection by sound wave device and its two kinds of dust collection methods.
Background technology
In recent years, haze problem is serious, and environmental quality increasingly declines.Haze includes sulfur dioxide, nitrogen oxides and can
The materials such as suction particulate matter, the above two are gaseous contaminant, and pellet is only the chief-criminal for increasing haze weather pollution
Chief culprit.Particulate matter of the diameter less than or equal to 2.5 microns, also referred to as lung particulate matter in this air, that is, be commonly called as
PM2.5.PM2.5 is mainly derived from the processes such as daily generating, commercial production and motor vehicle exhaust emission, the combustion residue for being discharged
Thing, mostly containing noxious substances such as heavy metals.Although PM2.5 takes up an area, ball Atmospheric components ratio is relatively low, and PM2.5 particle diameters are little, rich
Time of staying length containing a large amount of poisonous and harmful substances and in an atmosphere, fed distance are remote, thus to health and atmospheric environment
The impact of quality is larger.
Existing more typical dedusting method includes：1) with electrostatic precipitation and dry dust removal of the bag-type dust as representative；2)
With water dedusting and wet dust collection technology of the foam dust-removing as representative.It is wherein extensive with the range of application of dry dust removal.Below
For the know-why of several removers：
The know-why of bag-type dust is：After dusty gas enters filter bag, in the presence of deep bead, air-flow is to upstream
Dynamic, flow velocity is reduced, and part big dust particle falls into ash bucket as the effect of inertia force is separated, remaining dusty gas Jing
After Rose Box is filtered, dust is delayed at the outer surface of filter bag, so that air is purified.
The know-why of foam dust-removing is：Be provided with foam device with gas interact liquid, the liquid be in
The foam of kinestate, after gas is passed through wherein, between gas-liquid, contact area increase, enhances the turbulent extent of gas-liquid two-phase,
Ensure the effective renewal of gas-liquid two-phase contact surface, so as to reach the purpose of dirt, cigarette, mist in high-efficient purification gas.
The know-why of electrostatic precipitation is：The gas containing dust granules is made, by the negative electrode for being connected to high-voltage DC power supply
The high voltage electric field formed by the positive plate of line and ground connection, as negative electrode occurs corona discharge, gas is ionized to electronegative gas
Body ion, in the presence of electric field force, the dust granules in gas are moved to positive plate, at the volley phase between each dust granules
Mutually collide so that dust granules lotus is with negative electricity, it is charged after dust granules in the presence of electric field force to anode movement, reach
After anode.Institute's having electronic is released, dust granules are deposited on positive plate, thus reach the purpose of purification of air.
In general, electrostatic and cyclone dust removal are relatively low for the tiny particles content emission reduction efficiency of PM2.5 classes, existing electrostatic
Cleaner unit.Equipment is complicated, it is desirable to which equipment is allocated and transported and maintenance management level is high；Secondly there is certain requirement to dust resistance ratio,
So there is certain selectivity to dust, it is impossible to make all very high purification all of all of dust；Again by gas, temperature etc.
Operating condition is affected than larger, if same dust is operated at different temperature or humidity, the effect of gained is different, has
, at some temperature or humidity, removing effect is good, and at another temperature or humidity, dust resistance changes for dust,
And almost no clean-up effect.Although sack cleaner is attained by preferable emission reduction efficiency to size particles thing, can increase
The flow resistance of pending gas pipeline, filtrate used need periodic replacement, relatively costly, are difficult to use in as contact dedusting technology
In the severe working environment such as High Temperature High Pressure, corrosivity.
It is in the method for granule in existing utilization sound wave separation gas to need to coordinate using speaker and constant section duct more, correspondence
Had higher requirements with environment, long term reliability cannot be ensured.And energy consumption is higher, when sound wave is with water smoke mechanical and hydraulic combined dust
Pending gas and water smoke lack be sufficiently mixed, speaker is easily polluted by the dust accumulated by pending gas (needs Jing
Often safeguard).
The content of the invention
It is an object of the invention to provide a kind of dust collection by sound wave device and its dust collection method, the invention solves prior art
Middle utilization sound wave separates the method equipment therefor complex structure of granule in gas, long term reliability and cannot ensure.And
Energy consumption is higher, pending gas and water smoke lack be sufficiently mixed, speaker is easily polluted by the dust of pending gas build,
The technical problem for needing Jing often to safeguard.
One aspect of the present invention blendes together device there is provided one kind, including gas-liquid mixed bucket, is arranged at the circle of gas-liquid mixed bottom of the barrel
Conical taper intake section, the cover body for controlling the outer sonic transmissions direction of gas-liquid mixed bucket, modulation ring, for gas-liquid mixed bucket
The interior atomizer for spraying into atomized drop and the gas compressing apparatus being arranged in gas-liquid mixed bucket, the top that cover body is covered at,
In the top sidewall of gas-liquid mixed bucket, vent hole is set out；Modulation ring periphery on be interval with it is multiple radially, it is outwardly
Projection, raised periphery forms slit with the inwall of gas-liquid mixed bucket；Modulation ring can turn around its axis in gas-liquid mixed bucket
Dynamic, pending gas after compression stops out from the middle of slit, forms sound wave.
Further, on cone intake section interval offer it is multiple along its axially through air through hole.
Further, compressor is multistage blade, and periphery and the gas-liquid mixed bucket inwall of blade form slit.
Further, atomizer is arranged on the inwall of gas-liquid mixed bucket bottom just to blade.
Further, also include the rotary shaft for driving blade and modulation ring, rotary shaft is stretched in gas-liquid mixed bucket；Cover
In vivo wall, the outer wall of gas-liquid mixed bucket and cone intake section are surrounded for improving the diffusion zone of acoustic irradiation efficiency.
Another aspect of the present invention additionally provides a kind of dust collection by sound wave device, and including device is blended together described above, blending together device includes
Gas-liquid mixed bucket and cover at the cover body at the top of gas-liquid mixed bucket, the sealed bottom of cover body and be interval with for pending gas
The blow vent for passing through and air vent；Preferably, dust collection by sound wave device is also included for the rotation to dedusting is left from air vent
Wind cleaner unit, the air inlet of cyclone dust extractor are connected with air vent.
Another aspect of the present invention additionally provides a kind of dust collection by sound wave device, including air flue and is arranged at multiple on air flue
Device is blended together described above, and air flue two ends are provided with blow vent to be opened/closed and air vent.
Further, blending together device includes gas-liquid mixed bucket and covering at the cover body on gas-liquid mixed bucket, and the bottom of cover body is
It is open, and be connected with air flue.
Further, also include multiple blending together the synchronous drive device that device is synchronized with the movement, synchronous drive device for driving
With the rotary shaft drive connection being arranged in gas-liquid mixed bucket.
A kind of dust collection by sound wave method is another aspect provides, is comprised the following steps：1) to blending together described above
It is passed through pending gas in device, after atomized drop and pending gas mixing, forms gaseous mixture；2) gaseous mixture after compressing is passed through
Slit between modulation ring and gas-liquid mixed bucket forms sound wave, after passage of the sound wave along between gas-liquid mixed bucket and cover body is propagated, diffraction
The acoustic beam of gaseous mixture flow direction is formed in parallel with, acoustic beam is enclosed in cover body inwall, the outer wall of gas-liquid mixed bucket and cone intake section
Into diffusion zone in occur after multiple refraction/reflection, form longitudinal standing acoustic waves field；3) pending gas enters longitudinal acoustics
After stationary field, after the particulate matter in pending gas is reunited, volume increases, and separates out.
The technology of the present invention effect：
What the present invention was provided blendes together device by arranging the modulation ring and gas-liquid tempering tank that can form slit, using after compression
Pending gas produce sound wave so that sound wave propagate inside and outside device blending together, so as to realize treating in processing gas using sound wave
The removal of granule.
The as follows of the various embodiments that dust collection by sound wave device of the invention and its dust collection method are proposed is refer to specifically
Description, will be so that apparent in terms of the above and other of the present invention.
Description of the drawings
Fig. 1 is the schematic diagram that the preferred embodiment of the present invention blendes together device；
Fig. 2 is Fig. 1 C-C to cross-sectional schematic；
Fig. 3 be the preferred embodiment of the present invention remove cover body after blend together device schematic front view；
Fig. 4 is the schematic front view of preferred embodiment of the present invention gas-liquid mixed bucket；
Fig. 5 is preferred embodiment of the present invention modulation ring schematic perspective view；
Fig. 6 is preferred embodiment of the present invention single-stage blade schematic perspective view；
Fig. 7 is preferred embodiment of the present invention cone intake section schematic perspective view；
Fig. 8 is preferred embodiment of the present invention cone intake section schematic front view；
Fig. 9 is the main view cross-sectional schematic of one dust arrester of the preferred embodiment of the present invention；
Figure 10 is the schematic diagram of the main view section view of another dust arrester of the preferred embodiment of the present invention.
Marginal data：
100th, cover body；120th, blow vent；130th, air vent；140th, standing wave area；150th, catcher；200th, gas-liquid mixed bucket；
220th, atomizer；210th, blade；230th, cone intake section；231st, air through hole；300th, blend together device；320th, rotary shaft；310、
Motor；330th, cover plate；240th, modulate ring；241st, it is raised；250th, go out vent hole；400th, air flue；500th, dedusting mechanism；600th, it is synchronous
Driving means.
Specific embodiment
The accompanying drawing for constituting the part of the application is used for providing a further understanding of the present invention, the schematic reality of the present invention
Apply example and its illustrate, for explaining the present invention, not constituting inappropriate limitation of the present invention.
Referring to Fig. 1～4, the invention provides one kind blendes together device 300, gas-liquid mixed bucket 200 including bottom ventilation, it is used for
The cover body 100 in 200 outer sonic transmissions direction of control gas-liquid mixed bucket, modulation ring 240, for the penetrating into gas-liquid mixed bucket 200
The atomizer 220 and the gas compressing apparatus being arranged in gas-liquid mixed bucket 200 of atomized drop, the gas that cover body 100 is covered at
At the top of liquid tempering tank 200, vent hole 250 is set out in the top sidewall of gas-liquid mixed bucket 200；It is spaced on modulation 240 periphery of ring
Multiple radially outwardly projections 241 are provided with, modulation ring 240 can be rotatable around its axis in gas-liquid mixed bucket 200；It is convex
The periphery for playing 241 forms slit with vent hole 250 is gone out；Modulation ring 240 forms sound wave in the 200 interior rotation of gas-liquid mixed bucket.This
The atomizer 220 at place and compressor, can be the existing device that can realize the function.Compressor is only needed can be real
Now increase mixed gas and flow up speed.
Mixed gas through compressing are passing through the slit formed by raised 241 and gas-liquid tempering tank 200, in cover body 100
Sonic propagation is formed in annular gradual change pipeline between gas-liquid mixed bucket 200.The sound wave for being formed can produce vibration to gas
Effect, so as to improve the probability that granule in gas is mutually collided, gradually increases the volume of granule in gas.Be particularly suited for as
PM2.5 class granules, as particle diameter is too small, conventional dust removal devices cannot realize dedusting to which.After such sonicated, can make
The pending gas can carry out dust removal process by existing dust arrester.
Referring to Fig. 3～4 and 7～8, it is preferred that 200 bottom of gas-liquid mixed bucket is provided with cone intake section 230, cone intake section
On 230 interval offer it is multiple along its axially through air through hole 231.The sound wave for being formed is inside gas-liquid mixed bucket 200
And under external communication, then diffraction, reflection, 200 inside shape of 300 cover body of device, 100 bottom and gas-liquid tempering tank can blended together
Into longitudinal standing acoustic waves field.Longitudinal standing acoustic waves field energy more effectively improves particles contained generation vibration in mixed gas, and then
Touch opportunity between increase granule, so as to realizing the increase of particulate matter particle diameter in gas and separating out chance.It is particularly suited for
The process of the gas containing PM2.5～PM10.The treatment effeciency of pending gas is improved.
Referring to Fig. 4, the two ends of gas-liquid mixed bucket 200 are open, be interval with top sidewall it is multiple go out vent hole 250,
Go out vent hole 250 to be in same level.Can be sealed by cover plate 330 on the top surface of gas-liquid mixed bucket 200.Gas-liquid
Can be closed by cone intake section 230 bottom of tempering tank 200.
Referring to Fig. 7～8, cone intake section 230 is coniform, arranges multiple air through hole 231 along its axially spaced-apart.By covering
The region that plate 330,100 gas-liquid mixed bucket 200 of cover body and cone intake section 230 are surrounded is by narrow gradually wide passage, so that sound
The radiation efficiency of ripple is greatly increased.200 bottom of gas-liquid mixed bucket is provided with cone intake section 230, it is allowed to which pending gas enters gas
In liquid tempering tank 200.To improve action intensity of the sound wave to gas-liquid mixture, 231 a diameter of 0.05m of preferred air through hole.This
When both can guarantee that in gas-liquid mixed bucket 200 close to sealing state, while and can guarantee that pending gas can enter gas-liquid mixed
In bucket 200.
Preferably, referring to Fig. 6 and Fig. 2, compressor is the multistage blade 210 being arranged in gas-liquid mixed bucket 200, blade
210 periphery forms slit with 200 inwall of gas-liquid mixed bucket.Formed so as to make into gaseous mixture therein to be moved upwards
Power, strengthen gas by modulating flowing velocity during slit that ring 240 is formed with 200 inwall of gas-liquid mixed bucket, so as to plus
The intensity of strong sound wave.And blade 210 can also improve the mixability of gas and fog, so as to increase granule in pending gas
Particle diameter.Multistage blade 210 takes out 320 Synchronous Radio axles around rotation, the gaseous mixture below cone intake section 230 is sucked, and is completed
Flue gas is mixed with the uniform of atomized drop, in the middle part of gas-liquid mixed bucket 200 forms high pressure draught region, and high pressure draught is in slit
Circulate, the dosage of its compressed gas depends on driving which automatically to rotate rotating speed.
Preferably, on single-stage blade 210, the datum level of multiple blades mutually staggers setting, can improve and treat processing gas
Stirring intensity.
Preferably, referring to Fig. 2 just to being provided with the region of multistage blade 210,200 inwall of gas-liquid mixed bucket is provided with multiple mists
Change nozzle 220.Blade 210 is installed in rotary shaft 320.Blade 210 under the drive of rotary shaft 320, in gas-liquid mixed bucket 200
Interior rotation, gas in compacting barrel form negative pressure in bucket bottom, and the pending gas outside bucket is sucked in bucket, while atomizer
220 spray atomized liquid into bucket, and the agitation of blade 210 can also refine the droplet size of the ejection of atomizer 220, improve
Drop is contained in the quantity in pending gas.On the one hand the fog for being sprayed into can strengthen the cleaning work for treating processing gas
With can also lower the temperature to handled pending gas, on the other hand can be used for blade 210 and entirely blend together device
Cleaned inside 300.With the compression and stirring of blade 210, with drop complete the flue gas that mixes from go out vent hole 250 from
Open.
Referring to Fig. 5, modulation ring 240 is lamellar, can make pending gas that the part of strong sound wave is formed after compression.It is excellent
Choosing, modulate on 240 periphery of ring in the projection 241 that arranges and 200 side wall of gas-liquid mixed bucket to go out vent hole 250 equivalently-sized.
Modulation ring 240 during quick rotation, raised 241 with go out after vent hole 250 staggers, pending gas flows through slit and goes out
Sound wave is produced during vent hole 250.Groove is formed also between raised 241 two-by-two on modulation ring 240.In the rotation of modulation ring 240
Under, groove can also produce sound wave when going out vent hole 250 and staggering.Specific modulation ring 240 is a disk, on disk periphery between
Every arranging multiple raised 241, groove is formed between raised 241 two-by-two.Radial direction of the groove along disk, the concave shape at disk circle
Into.Vent hole 250 is provided with out to each 200 side wall of groove gas-liquid mixed bucket just.
Modulation ring 240 is rotated under the drive of rotary shaft 320 so that groove is staggeredly opened and closed with vent hole 250 is gone out.So that
Obtain mixed gas and flow out from the interruption of vent hole 250 is gone out.Simultaneously in the pipeline between cover body 100 and gas-liquid tempering tank 200
Form the annular sound wave of high intensity.Annular sound wave in communication process is waited to locate in flue as diffraction can be formed
The acoustic beam of process gases flow direction.When acoustic beam runs into 100 side wall of cover body in communication process, in the standing wave area of 100 bottom of cover body
Longitudinal standing acoustic waves field is formed in 140.Longitudinal standing acoustic waves field refers to one kind that strong sound source is formed in the space of a sealing
Strong sound field.By the rotating speed for adjusting modulation ring 240, the size of produced intensity of acoustic wave can be adjusted.So as to control to different gas
The treatment conditions of body.Obvious, the volume in standing wave area 140 can be adjusted as needed, so that into the gas in cover body 100
Physical ability fully undergoes the effect of longitudinal standing acoustic waves field.The concrete size can be obtained by limited number of time test.
Preferably, also including the rotary shaft 320 stretched in gas-liquid mixed bucket 200, blade 210 and modulation ring 240 are by rotating
Axle 320 drives；Also include being arranged at the catcher 150 of 100 bottom of cover body.Rotary shaft 320 can be driven by motor 310, rotated
One end of axle 320 is stretched out outside cover plate 330, for 310 drive connection of motor.100 bottom of cover body can carry out close as needed
Envelope, arranges catcher 150 in the cover body 100 after sealing, for collecting the particulate matter separated out from pending gas.
During use, the direction of arrow as shown in fig. 1, when pending gas enters gas-liquid mixed from cone intake section 230
After bucket 200, under the stirring action of blade 210, the atomized drop for spraying into staving with atomizer 220 is mixed homogeneously, and upwards
Diffusion motion is to gas-liquid mixed bucket 200.Modulation ring 240 is rotated axle 320 and drives the rotation in gas-liquid mixed bucket 200.Between
Every be arranged at modulation 240 periphery of ring on projection 241 interval with go out vent hole 250 formed slit.So as to from going out vent hole 250
Place produces the sound wave to the 200 inside and outside diffusion of gas-liquid mixed bucket.Sound wave is to 200 internal diffusion of gas-liquid mixed bucket.Cone intake section 230,
The region that gas-liquid mixed bucket 200 and cover plate 330 are surrounded be type region wide at the top and narrow at the bottom, the sound formed at the top of gas-liquid mixed bucket 200
Ripple in the region by narrow gradually wide passage in constantly reflected and reflected so that the intensity of sound wave increases.Sound wave is to gas
200 external diffusion of liquid tempering tank, sound wave are being surrounded by cover plate 330, cover body 100, gas-liquid mixed bucket 200 and cone intake section 230
Propagate in the flaring annular region of section, radiation efficiency is improved.The air inlet of 200 bottom of gas-liquid mixed bucket adopts other shapes
This effect cannot be obtained.So as to improve the effect of vibration for blending together that device 300 treats particulate matter in processing gas, improve and treat place
The removal efficiency of granule in process gases.
Referring to Fig. 9, another aspect of the present invention additionally provides a kind of dust collection by sound wave device, including blending together device as above
300 and the catcher 150 of 100 bottom of cover body is arranged at, blending together device 300 includes gas-liquid mixed bucket 200 and cover at gas-liquid mixed
Cover body 100 at the top of bucket 200, the sealed bottom of cover body 100 and is interval with the blow vent 120 passed through for pending gas
With air vent 130.
Preferably, dust collection by sound wave device is also included for the cyclone dust extractor to dedusting is left from air vent 130, rotation
The air inlet of wind cleaner unit is connected with air vent 130.
Enter in gas-liquid mixed bucket 200 from the direction of arrow as shown in Figure 9, the atomizer 220 in the presence of blade 210
After the atomized drop mixing of ejection, blade 210 is rotated in the environment high speed of near-hermetic, in compression gas-liquid tempering tank 200
Gas, is wherein to form negative pressure, is conducive to the gas outside gas-liquid mixed bucket 200 to suck.And give the power that gas is moved upwards,
Which is made to leave gas-liquid mixed bucket 200 from vent hole 250 is gone out.Pending gas by going out during vent hole 250, in making pending gas
Acoustic vibration is produced between granule and drop, and along direction shown in arrow, along cover body 100 between 200 outer wall of gas-liquid mixed bucket
The air flue 400 of formation is moved downward.Annular sound wave is formed simultaneously, is propagated in cover body 100.
Preferably, the rotation of rotary shaft 320 can be driven by motor 310.Motor 310 is arranged at the top of equipment, can have
Effect reduces device volume.
The bottom two opposite sides difference blow vent 120 of cover body 100 and air vent 130.For being passed through pending gas and row
Go out treated gas.Preferred air vent 130 can be to be connected with all kinds of dedusting mechanisms 500, with further to gas
In particulate matter processed.Improve treatment effeciency.Can for example be cyclone dust extractor etc..When exhaust gas volumn hour can adopt this
Deployment way shown in kind.
Referring to Figure 10, another aspect of the present invention additionally provides a kind of dust collection by sound wave device, including air flue 400 and is arranged at gas
When multiple in road 400 blend together device 300,400 two ends of air flue are provided with blow vent to be opened/closed 120 and air vent 130.
Preferably, blending together the cover body 100 of device 300, to be set to bottom open, respectively blend together device 300 be arranged at can be opened and closed realize it is close
In the air flue 400 of envelope.So that longitudinal standing acoustic waves field is formed at the bottom of air flue 400.Improve treating capacity.
To improve treatment effeciency, the sound wave of multiple same intensities can be formed in air flue 400, to realize that the superposition of sound wave is imitated
Should.Multiple device 300 can be blended together to arrange in air flue 400.These arrangements for blending together device 300 can be arranged for straight line, also may be used
Arranged with array.By controlling 320 synchronous axial system of rotary shaft.
Referring to Figure 10, multiple devices 300 that blend together are arranged in air flue 400.Air flue 400 herein needs can be in processing gas
Sealing is realized, 140 intensity of acoustic wave of standing wave area is just can guarantee that.400 bottom interval of air flue is provided with multiple receipts being connected with air flue 400
Storage 150, for accommodating the particulate matter separated out from gas.Now as sealed environment is provided by air flue 400, thus cover body
100 bottom can be open, be beneficial to sound wave and conduct to air flue 400.Air flue 400 goes out vent hole 250 and other dedustings
Mechanism 500 is connected, so as to increase the particulate matter of volume in air flue 400, can be collected in time.So as to obtain compared with
The gas of High Purity efficiency.
Multiple longitudinal standing acoustic waves fields, pending gas are upwardly formed in the side vertical with pending gas flow rate of air flue 400
Body is interacted with strong sound wave after entering stationary field, in longitudinal standing acoustic waves field that standing wave area 140 is formed, can be made into therein
Contained particulate matters cohesion in pending gas, after separating out, drops in catcher 150 after volume increase from gas.Additionally, vertical
The vibration for blending together 300 wall of device and flue wall can also be caused to standing acoustic waves field so that various dirt energy attached to it
Remove in time.Avoid the deposition of life-time service flue gas particle.
In order to realize multiple synchronous axial systems blended together between device 300, can be by rotary shaft 320 and synchronous drive device 600
It is connected, so as to realize the synchronism output of multiple motors 310.
When need using it is multiple blend together device 300 when, can be selected as needed.It is preferred that two blend together between device 300
Spacing be not more than and blend together 3 times of 300 outlet diameter of device.In the case of pending gas flow rate in known flue, standing wave area
In 140, acoustic wave action was less than 10 seconds in the time of pending gas, now better dust removal effect.When the action time of sound wave is ten
When more than second, sound wave treats the effect of processing gas dedusting saturation.
Be found through experiments, the pending gas of contained oil gas dust granules Jing after blending together device 300 and process, gas
Grain particle diameter increases to particle diameter for 20～40 μm by PM2.5～PM10.
Another aspect of the present invention additionally provides a kind of dust collection by sound wave method, comprises the following steps：
1) pending gas is passed through in device 300 to blending together as above, mixed aerosol drop is stirred by blade 210 and waits to locate
Process gases, obtains gaseous mixture；
2) gaseous mixture Jing ovennodulations ring 240 and goes out the slit formation sound between vent hole 250 Jing after the compression of multistage blade 210
Ripple, after passage of the sound wave along between gas-liquid mixed bucket 200 and cover body 100 is propagated, diffraction is formed in parallel with gaseous mixture flow direction
Acoustic beam, acoustic beam occur in the diffusion zone that 100 inwall of cover body, the outer wall of gas-liquid mixed bucket 200 and cone intake section 230 are surrounded
Repeatedly after refraction/reflection, longitudinal standing acoustic waves field is formed；
3), after pending gas enters longitudinal standing acoustic waves field, after the particulate matter in pending gas is reunited, volume increases
Greatly, separate out.
The method is made by longitudinal standing acoustic waves field by longitudinal standing acoustic waves field is formed in the taper square formation in sealing
The multiple granules obtained in gas are reunited each other, realize the removal to contained finely ground particle substance in gas.Improve removal efficiency.
Dust in air smoke particle belongs to the microparticle of suspension, and this granule suspends
Receive or produce haze, into diameter all very littles of flue granule.Make into the dust in flue to embrace in field by longitudinal acoustic wave
Group's increase, as the increase of weight will be dropped in catcher 150 after dust increase.Even if there is small part to fly away in atmosphere
Dust will not also be suspended in air, but it is quick land, environment will not be impacted.So as to reach the strong of purification of air
Degree is very considerable.The present invention has advantages below：
1st, the material cost gone out used by dirt device that the present invention is provided is relatively low and durable, disposes also very easy spirit
It is living, and can independently be cleaned by atomizer 220, when successfully avoiding other electric devices inside device because using
Between it is long long afterwards and accumulate dust, effectively enhance the service life of device itself.Also can reach once mounting to dispel for a long time dirt
Effect, hardly with safeguard, greatly reduce artificial expense.
2nd, material therefor can high temperature resistant, it is corrosion-resistant.It is free from the influence of the external environment, no matter whether external environment is severe, all
Life-span of dirt system of dispelling itself is not interfered with.The unfailing performance of device itself is increased greatly.
3rd, do not affected by the particles size and distribution of dust, pending gas defines sound by modulating the compression of ring 240
Ripple, in pending gas, remaining dust granules are completely mixed by longitudinal standing acoustic waves field with sound wave.What is reached removes
Dirt efficiency comparison is high, and minimum dust this to PM2.5 all has superpower detergent power.
4th, energy consumption is relatively low, and directly using pending gas, in modulation ring 240, compression forms it into strong sound wave, is dispelling
The loss of the energy is decreased while chalk dust removing.Real having reached is turned waste into wealth, and rationally utilizes.
It is 340mg/m to initial pending gas concentration by above-mentioned dust collection by sound wave device3Gas processed, pass through
The Combined Treatment of device 300 and cyclone dust extractor is blended together, less than 10 microns particle content reductions by more than 83%, pending in gas
Gas concentration is less than 10mg/m3, reach the standard of ultra-clean discharge.
Those skilled in the art will be clear that the scope of the present invention is not restricted to example discussed above, it is possible to which which is carried out
Some changes and modification, without deviating from the scope of the present invention that appended claims are limited.Although own Jing is in accompanying drawing and explanation
Illustrate and describe the present invention in book in detail, but such explanation and description are only explanations or schematic, and it is nonrestrictive.
The present invention is not limited to the disclosed embodiments.
By to accompanying drawing, the research of specification and claims, when the present invention is implemented, those skilled in the art can be with
Understand and realize the deformation of the disclosed embodiments.In detail in the claims, term " including " is not excluded for other steps or element,
And indefinite article " one " or " one kind " be not excluded for it is multiple.Some measures quoted in mutually different dependent claims
The fact does not mean that the combination of these measures can not be advantageously used.It is right that any reference marker in claims is not constituted
The restriction of the scope of the present invention.
Claims (11)
1. one kind blendes together device, it is characterised in that including gas-liquid mixed bucket, be arranged at the gas-liquid mixed bottom of the barrel cone cone
Body intake section, the cover body for controlling the outer sonic transmissions direction of the gas-liquid mixed bucket, modulation ring, for the gas-liquid mixed
The atomizer and the gas compressing apparatus being arranged in the gas-liquid mixed bucket of atomized drop, the gas compression are sprayed in bucket
Device is multistage blade,
The cover body covers at the top of the gas-liquid mixed bucket, arranges outlet and lead in the top sidewall of the gas-liquid mixed bucket
Hole；It is interval with the modulation ring periphery multiple along the modulation ring radial direction, outwardly projection, the raised periphery
With it is described go out vent hole formed slit；
The modulation ring can be rotated around the modulation ring axis in the gas-liquid mixed bucket, pending gas after compression from
Stop out in the middle of the slit, form sound wave.
2. it is according to claim 1 to blend together device, it is characterised in that on the cone intake section, interval offers multiple along which
Axially through air through hole.
3. it is according to claim 1 to blend together device, it is characterised in that the periphery of the blade and the gas-liquid mixed bucket inwall
Form slit.
4. it is according to claim 3 to blend together device, it is characterised in that the atomizer is arranged at institute just to the blade
State on the inwall of gas-liquid mixed bucket bottom.
5. it is according to claim 4 to blend together device, it is characterised in that also to include for driving the blade and the modulation ring
Rotary shaft, the rotary shaft stretched in the gas-liquid mixed bucket；
The cover body inwall, the outer wall of the gas-liquid mixed bucket and the cone intake section are surrounded for improving acoustic irradiation efficiency
Diffusion zone.
6. a kind of dust collection by sound wave device, it is characterised in that include the device that blendes together as any one of Claims 1 to 5, it is described
Blending together device includes gas-liquid mixed bucket and covers at the cover body at the top of the gas-liquid mixed bucket, the sealed bottom of the cover body and interval
It is provided with the blow vent and air vent passed through for pending gas.
7. dust collection by sound wave device according to claim 6, it is characterised in that the dust collection by sound wave device is also included for right
The cyclone dust extractor of dedusting is left from the air vent, the air inlet of the cyclone dust extractor is connected with the air vent
It is logical.
8. a kind of dust collection by sound wave device, it is characterised in that including air flue and be arranged at multiple such as claim 1 on the air flue
Blend together device any one of～5, the air flue two ends are provided with blow vent to be opened/closed and air vent.
9. dust collection by sound wave device according to claim 8, it is characterised in that the device that blendes together includes gas-liquid mixed bucket and cover
Cover body on the gas-liquid mixed bucket, the bottom of the cover body are open, and are connected with the air flue.
10. dust collection by sound wave device according to claim 9, it is characterised in that also include for driving multiple described blend together
The synchronous drive device that device is synchronized with the movement, the synchronous drive device be arranged in the gas-liquid mixed bucket such as claim
Rotary shaft drive connection described in 5.
A kind of 11. dust collection by sound wave methods, it is characterised in that comprise the following steps：
1) be passed through in device pending gas to blending together as claimed in claim 4, atomized drop and the pending gas mixing
Afterwards, form gaseous mixture；
2) gaseous mixture Jing after gas compressing apparatus compression is on the periphery and gas-liquid mixed barrel side wall that modulation ring convex rise
The slit that goes out between vent hole form sound wave, after passage of the sound wave along between gas-liquid mixed bucket and cover body is propagated, diffraction is formed
Parallel to the acoustic beam of the gaseous mixture flow direction, the acoustic beam is in cover body inwall, the outer wall of gas-liquid mixed bucket and cone air inlet
After there is multiple refraction/reflection in the diffusion zone that portion surrounds, longitudinal standing acoustic waves field is formed；
3), after the gaseous mixture enters longitudinal standing acoustic waves field, after the particulate matter in the gaseous mixture is reunited, volume increases
Greatly, separate out.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510824481.2A CN105289172B (en) | 2015-11-24 | 2015-11-24 | Dust collection by sound wave device and its dust collection method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510824481.2A CN105289172B (en) | 2015-11-24 | 2015-11-24 | Dust collection by sound wave device and its dust collection method |
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| CN105289172A CN105289172A (en) | 2016-02-03 |
| CN105289172B true CN105289172B (en) | 2017-04-05 |
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Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1137169A (en) * | 1965-09-01 | 1968-12-18 | Mediterranea Compagnia Ind Com | De-dusting devices for smokes and other gaseous fluids |
| JP2003190838A (en) * | 2001-12-28 | 2003-07-08 | Kawasaki Heavy Ind Ltd | Cyclone type fine powder catcher |
| CN104128047B (en) * | 2014-07-28 | 2016-03-02 | 中南大学 | Acoustic agglomerator and cyclonic separation synergy fine particle remove device and method |
| CN104667695B (en) * | 2015-01-26 | 2016-03-23 | 中国人民解放军国防科学技术大学 | The acoustic agglomeration system and method for array structure is led based on higher order reflection type focused sound waves |
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