CN106039928B - Compact high flow rate strainer acoustic agglomerator fine particulates emission reduction device and method - Google Patents
Compact high flow rate strainer acoustic agglomerator fine particulates emission reduction device and method Download PDFInfo
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- CN106039928B CN106039928B CN201610555031.2A CN201610555031A CN106039928B CN 106039928 B CN106039928 B CN 106039928B CN 201610555031 A CN201610555031 A CN 201610555031A CN 106039928 B CN106039928 B CN 106039928B
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- strainer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/06—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with moving adsorbents, e.g. rotating beds
- B01D53/08—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with moving adsorbents, e.g. rotating beds according to the "moving bed" method
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/74—Regeneration of the filtering material or filter elements inside the filter by forces created by movement of the filter element
- B01D46/76—Regeneration of the filtering material or filter elements inside the filter by forces created by movement of the filter element involving vibrations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/60—Combinations of devices covered by groups B01D46/00 and B01D47/00
Abstract
The invention discloses a kind of compact high flow rate strainer acoustic agglomerator fine particulates emission reduction device and methods, including sonic generator, parabolic spheric baffle, cohesion cabin, atomizer, rapping dust removal device, entrant sound plate, strainer, air-introduced machine, retractable plate, ash bucket.The present invention is based on camber reflection principle focused sound waves, to improve the sound pressure level in specified region, and form multiple standing-wave sound fields in cohesion storehouse, to increase opposite collision probability of the fine particulates in cohesion cabin.The present invention also passes through entrant sound plate and is divided into N-type channel for cabin is agglomerated, and increases the length of exhaust gases passes, so that action time of the fine particulates under sound field increases, further increases the probability that particulate matter collides.Therefore, the present invention improves the mutual collision probability between fine particle by multiple applications, can effectively cause reunion, achievees the purpose that deviate from fine particle quantity in air-flow.
Description
Technical field
The present invention relates to the technical field of pollution control equipment manufacture, in particular to a kind of compact high flow rate strainer sound is solidifying
Poly- fine particulates emission reduction device and method
Background technique
Chemical combustion energy resource system is discharged into that the pollutant in atmosphere is increasing, using PM2.5 as the suspension of representative thin
Grain is rich in noxious material and atmospheric residence time is long, conveying distance is remote, not only reduces atmospheric visibility, influence traffic,
Natural environment and climate, and particulate matter of the partial size less than PM10 can enter human respiratory tract by nose and mouth, wherein thinner be
PM2.5 is able to enter human body alveolar even blood circulation system, directly results in the diseases such as cardiovascular disease, has in short term to human health
With the serious harm of long-term accumulated.
Fine particulates aggregation efficiency under general acoustic agglomerator technological accumulation and inheritance is not high, and general acoustic agglomerator method is past
Toward the purpose for needing that external traditional dust-extraction unit is combined to can be only achieved fine particulates in partial removal air-flow.To mention
The removal efficiency of high fine particulates can realize by increasing sound pressure level method, but increase the energy consumption of whole system, no
Conducive to energy conservation and promote.The mode of external tradition dust-extraction unit not only increases cost, and increases the volume of whole system,
It is unfavorable for the installation and arrangement of system.
Summary of the invention
The object of the present invention is to provide a kind of apparatus and method that fine particulates in air-flow are removed by acoustic agglomerator, we
Method can effectively remove the PM2.5 in chemical combustion discharge gas, reduce the pollution to environment.The present invention passes through sound field and strainer
Synergy, can PM2.5 in efficient removal air-flow.
In order to achieve the above technical purposes, the technical scheme is that, a kind of compact high flow rate strainer acoustic agglomerator is thin
Microparticle object emission reduction device, it is described including sonic generator, hollow cohesion cabin, atomizer, entrant sound plate, air-introduced machine and strainer
Cohesion cabin in it is parallel be equipped with muti-piece entrant sound plate, wherein one end of every block of entrant sound plate is directly connected to the inner wall in cohesion cabin, another
End connects the opposite other side inner wall in cohesion cabin by strainer, and two pieces of adjacent strainers are separately connected opposite two sides inner wall, coagulates
The poly- cabin two sides parallel with entrant sound plate are respectively symmetrically equipped at least one sonic generator, and sonic generator direction is agglomerated in cabin,
Cohesion cabin is respectively equipped with smoke inlet and exhanst gas outlet being formed by channel both ends along entrant sound plate.
A kind of compact high flow rate strainer acoustic agglomerator fine particulates emission reduction device further includes parabolic spherical surface barrier
Plate, the parabolic spheric baffle are hemispherical cambered surface, and cambered surface exists towards setting in cohesion storehouse, the sonic generator setting
The focal point of parabolic spheric baffle.
A kind of compact high flow rate strainer acoustic agglomerator fine particulates emission reduction device further includes rapping dedusting dress
It sets, the rapping dust removal device is set to one end that entrant sound plate is connected with cohesion cabin.
A kind of compact high flow rate strainer acoustic agglomerator fine particulates emission reduction device, further includes ash bucket, described
Ash bucket is set to below cohesion cabin, and cohesion cabin lower wall is wherein equipped with hinge on one side, and opposite another side is equipped with buckle, with
Lower wall is opened in ash disposal to pour into dust in ash bucket.
A kind of compact high flow rate strainer acoustic agglomerator fine particulates emission reduction device, further includes expansion plate, described
Expansion plate be set to cohesion cabin a side wall on, and install expansion plate side wall perpendicular to cohesion cabin sound wave is installed
One of side wall of device, and sonic generator is enable to move along the sound wave direction of the launch.
A kind of compact high flow rate strainer acoustic agglomerator fine particulates emission reduction device, equipped with atomization at smoke inlet
Device.
A kind of compact high flow rate strainer acoustic agglomerator fine particulates emission reduction device, exhanst gas outlet are equipped with air inducing
Machine.
A kind of compact high flow rate strainer acoustic agglomerator fine particulates discharge-reducing method, using any institute of such as claim 1-7
The device stated, comprising the following steps:
Step 1: opening sonic generator, reflect sound wave by parabolic spheric baffle, and along parabolic spheric baffle
Mandrel direction pack opens atomizer so that sound field intensity enhances in parabolic spheric baffle signified scope;
Step 2: after flue gas enters cohesion cabin from smoke inlet, according to wave length of sound, passing through expansion plate and change cohesion cabin
Lateral distance forms standing wave in cohesion cabin so that the distance between two sides sonic generator is the integral multiple of half-wavelength;
Step 3: flue gas flows through the channel formed by entrant sound plate and strainer after being atomized, and larger is agglomerated into sound field
Grain object, large particle are removed from air-flow through strainer;
Step 4: dust-contained airflow is discharged after repeatedly reuniting and filtering from exhanst gas outlet.
A kind of compact high flow rate strainer acoustic agglomerator fine particulates discharge-reducing method, flue gas enter from smoke inlet
After agglomerating cabin, flue gas flow rate is controlled by adjusting the operation power of air-introduced machine.
A kind of compact high flow rate strainer acoustic agglomerator fine particulates discharge-reducing method, rapping apparatus timing rapping remove
Particulate matter of the attachment removal on entrant sound plate and strainer, the particulate matter that rapping is fallen are received after opening cohesion cabin lower wall by ash bucket
Collection.
The technical effects of the invention are that
1) fine particulates increase the probability that particulate matter mutually collides, mention by multiple standing-wave sound fields in cohesion cabin
High agglomerating effect.Agglomerate cabin inlet end portion be equipped with atomizer, flue gas be passed through cohesion cabin when atomizer work, the water mist of generation with
Fine particulates are agglomerated into larger particles under the action of sound field in air-flow, due to water mist effect so that particulate matter adhesive force
Enhancing, to increase the reunion probability of fine particulates, further improves agglomerating effect.
2) sonic generator is fixed on the focal point of parabolic spheric baffle by the connecting rod of parabolic spheric baffle central axis,
Sound wave is reflected by parabolic spheric baffle, along the central axis direction pack of parabolic spheric baffle, in this way in the feelings for not increasing power
Under condition, sound field intensity increases in parabolic spheric baffle signified scope.
3) this method uses modulated sonic generator, i.e., frequency is adjustable, acoustic pressure is adjustable.Pass through dust-laden in monitoring cohesion cabin
The feature and particulate matter flocculating result of air-flow adjust sonic generator in real time and generate the optimal sound wave of flocculating result.Therefore,
The present invention adapts to the fine particulates removing of different in flow rate, different particle size distribution, variable grain species type.
4) cohesion cabin is divided into continuous N-type channel by entrant sound plate and increases exhaust gases passes in the case where constancy of volume
Length further increase the probability that particulate matter mutually collides so that action time of the particulate matter under sound field increases.Using
Cabin is agglomerated in N-type channel, be can reduce the volume of device, is kept whole system structure more compact.
5) cohesion cabin is designed using high flow rate, and flow velocity is adjustable, subtracts device while improving and handling flue gas flow
Acoustical power needed for small.
6) there is strainer on every block of entrant sound plate, flue gas, which often passes through a Vertical Channel, will pass through the filtering of a strainer,
Strainer can filter out the particulate matter of PM5 or more.This method removes the large particle after reuniting using the method for built-in strainer, because
This, by cohesion, treated in cabin that dust-contained airflow no longer needs to handle by traditional dust-extraction unit, can be with direct emission.So not only
The volume of whole system is reduced, and is reduced costs.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Wherein, 1 be sonic generator, 2 be parabolic spheric baffle, 3 be cohesion cabin, 4 be atomizer, 5 be rapping dedusting dress
It sets, 6 be entrant sound plate, 7 be air-introduced machine, 8 be retractable plate, 9 be ash bucket, 10 be strainer.
Specific embodiment
Referring to Fig. 1, the present embodiment includes sonic generator, hollow cohesion cabin, atomizer, entrant sound plate, air-introduced machine, filter
Net, parallel in the described cohesion cabin to be equipped with muti-piece entrant sound plate, wherein one end of every block of entrant sound plate is directly connected to the interior of cohesion cabin
Wall, the other end connect the opposite other side inner wall in cohesion cabin by strainer, and two pieces of adjacent strainers are separately connected opposite two sides
Inner wall, the cohesion cabin two sides parallel with entrant sound plate are respectively symmetrically equipped at least one sonic generator, and sonic generator direction is solidifying
In poly- cabin, cohesion cabin is respectively equipped with smoke inlet and exhanst gas outlet being formed by channel both ends along entrant sound plate.
In order to improve sound field intensity, the present embodiment further includes parabolic spheric baffle, and the parabolic spheric baffle is hemisphere
The focal point of parabolic spheric baffle is arranged in towards setting in cohesion storehouse, the sonic generator in shape cambered surface, cambered surface.Sound wave warp
The reflection of parabolic spheric baffle is crossed, along the central axis direction pack of parabolic spheric baffle, in this way in the case where not increasing power, is thrown
Sound field intensity increases in object spheric baffle signified scope.
It is had an impact to reduce entrant sound plate collection ash and strainer collection ash to cohesion cabin sound field, the present embodiment further includes that rapping removes
Dirt device, the rapping dust removal device are set to one end that entrant sound plate is connected with cohesion cabin.
For the ease of handling the dust taken off, the present embodiment further includes ash bucket, and the ash bucket is set to below cohesion cabin,
That agglomerates cabin lower wall is wherein equipped with hinge on one side, and opposite another side is equipped with buckle, will be grey to open lower wall in ash disposal
Dirt pours into ash bucket.
Standing wave purpose is formed in cohesion cabin to adapt to wave length of sound, reach in order to adjust the lateral distance in cohesion cabin, this
Embodiment further includes expansion plate, and the expansion plate is set on a side wall in cohesion cabin, and the side wall for installing expansion plate hangs down
One of side wall of sonic generator directly is installed in cohesion cabin, and sonic generator is enable to move along the sound wave direction of the launch.
In order to improve dust removing effects, atomizer is housed at smoke inlet.
In order to adjust flue gas flow rate, exhanst gas outlet is equipped with air-introduced machine.
The method that the present embodiment uses, comprising the following steps:
Step 1: opening sonic generator, reflect sound wave by parabolic spheric baffle, and along parabolic spheric baffle
Mandrel direction pack opens atomizer so that sound field intensity enhances in parabolic spheric baffle signified scope;
Step 2: after flue gas enters cohesion cabin from smoke inlet, according to wave length of sound, passing through expansion plate and change cohesion cabin
Lateral distance forms standing wave in cohesion cabin so that the distance between two sides sonic generator is the integral multiple of half-wavelength;
Step 3: flue gas flows through the channel formed by entrant sound plate and strainer after being atomized, and larger is agglomerated into sound field
Grain object, large particle are removed from air-flow through strainer;
Step 4: dust-contained airflow is discharged after repeatedly reuniting and filtering from exhanst gas outlet.
After wherein flue gas enters cohesion cabin from smoke inlet, flue gas stream is controlled by adjusting the operation power of air-introduced machine
Speed.
After a period of time has passed, rapping apparatus timing rapping removes the particulate matter being attached on entrant sound plate and strainer, vibration
Particulate matter under hitting down is collected after opening cohesion cabin lower wall by ash bucket.
Claims (6)
1. a kind of compact high flow rate strainer acoustic agglomerator fine particulates emission reduction device, which is characterized in that including sonic generator
(1), hollow cohesion cabin (3), atomizer (4), entrant sound plate (6), air-introduced machine (7) and strainer (10) are put down in the cohesion cabin
Capable is equipped with muti-piece entrant sound plate (6), and wherein one end of every piece of entrant sound plate (6) is directly connected to the inner wall in cohesion cabin, and the other end passes through
The opposite other side inner wall in strainer (10) connection cohesion cabin, two pieces of adjacent strainers (10) are separately connected opposite two sides inner wall,
The cohesion cabin two sides parallel with entrant sound plate (6) are respectively symmetrically equipped at least one sonic generator, sonic generator direction cohesion
In cabin (3), cohesion cabin (3) is respectively equipped with smoke inlet and exhanst gas outlet being formed by channel both ends along entrant sound plate (6);
It further include expansion plate (8), the expansion plate (8) is set on a side wall in cohesion cabin, and installs expansion plate (8)
Side wall is equipped with one of side wall of sonic generator (1) perpendicular to cohesion cabin, and send out sonic generator (1) can along sound wave
It is mobile to penetrate direction.
2. a kind of compact high flow rate strainer acoustic agglomerator fine particulates emission reduction device according to claim 1, feature
It is, further includes parabolic spheric baffle (2), the parabolic spheric baffle (2) is hemispherical cambered surface, and cambered surface direction is agglomerated in storehouse
The focal point in parabolic spheric baffle (2) is arranged in setting, the sonic generator (1).
3. a kind of compact high flow rate strainer acoustic agglomerator fine particulates emission reduction device according to claim 1, feature
It is, further includes rapping dust removal device (5), the rapping dust removal device (5) is set to one that entrant sound plate is connected with cohesion cabin
End.
4. a kind of compact high flow rate strainer acoustic agglomerator fine particulates emission reduction device according to claim 3, feature
It is, further includes ash bucket (9), the ash bucket is set to below cohesion cabin, and cohesion cabin lower wall is wherein equipped with hinge on one side,
Opposite another side is equipped with buckle, is poured into dust in ash bucket with opening lower wall in ash disposal.
5. a kind of compact high flow rate strainer acoustic agglomerator fine particulates emission reduction device according to claim 1, feature
It is, atomizer (4) is housed at smoke inlet.
6. a kind of compact high flow rate strainer acoustic agglomerator fine particulates emission reduction device according to claim 1, feature
It is, exhanst gas outlet is equipped with air-introduced machine (7).
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Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN202605957U (en) * | 2012-05-16 | 2012-12-19 | 绍兴文理学院 | Smoke purification device for ultrasonically agglomerating PM2.5 particles |
CN103752116A (en) * | 2014-01-09 | 2014-04-30 | 东南大学 | Device for removing fine particles by standing wave sound waves |
CN204745993U (en) * | 2015-06-18 | 2015-11-11 | 湖南正奇信息科技有限公司 | Parabolic reflection high flow rate sound condenses PM2. 5 and reduces discharging device |
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN202605957U (en) * | 2012-05-16 | 2012-12-19 | 绍兴文理学院 | Smoke purification device for ultrasonically agglomerating PM2.5 particles |
CN103752116A (en) * | 2014-01-09 | 2014-04-30 | 东南大学 | Device for removing fine particles by standing wave sound waves |
CN204745993U (en) * | 2015-06-18 | 2015-11-11 | 湖南正奇信息科技有限公司 | Parabolic reflection high flow rate sound condenses PM2. 5 and reduces discharging device |
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Effective date of registration: 20210204 Address after: Room 5004, comprehensive service building, Changsha Hanpu science and Education Industrial Park Development and Construction Co., Ltd., No. 8, bachelor's road, Yuelu science and Technology Industrial Park, Yuelu District, Changsha City, Hunan Province, 410000 Patentee after: HUNAN GREEN FIELD AVIATION TECHNOLOGY Co.,Ltd. Address before: Yuelu District City, Hunan province 410083 Changsha Lushan Road No. 932 Patentee before: CENTRAL SOUTH University |
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