CN106975318A - A kind of acoustic agglomeration joint magnetic fields removing fine particle devices and methods therefor - Google Patents
A kind of acoustic agglomeration joint magnetic fields removing fine particle devices and methods therefor Download PDFInfo
- Publication number
- CN106975318A CN106975318A CN201710182307.1A CN201710182307A CN106975318A CN 106975318 A CN106975318 A CN 106975318A CN 201710182307 A CN201710182307 A CN 201710182307A CN 106975318 A CN106975318 A CN 106975318A
- Authority
- CN
- China
- Prior art keywords
- sound
- main body
- fine particle
- reunion room
- room main
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D51/00—Auxiliary pretreatment of gases or vapours to be cleaned
- B01D51/02—Amassing the particles, e.g. by flocculation
Abstract
The invention discloses a kind of acoustic agglomeration joint magnetic fields removing fine particle devices and methods therefor for belonging to pollutant removing equipment and clearance technique field.Reuniting, removing room main body surrounding sets magnet, reunion ceiling portion is provided with electronic sound source, electronic sound source successively with power amplifier, signal generator is connected, reunion room body top side wall sets smoke inlet, reunion room bottom part body is provided with sound-absorbing sponge, and lower body part side in reunion room is provided with exhanst gas outlet, and exhanst gas outlet is connected with air-introduced machine.The present invention is pre-processed using sound wave combined magnetic fields to the fine particulates in the dust-contained airflows such as coal-burning boiler smoke evacuation, intercoupled facilitation by sound field and magnetic field, fine particle acoustic agglomeration efficiency is greatly improved, with reference to follow-up traditional deduster, efficient removal PM is reached2.5Purpose, so as to control PM2.5Discharge.
Description
Technical field
Equipment and clearance technique field are removed the invention belongs to pollutant, more particularly to a kind of acoustic agglomeration joint magnetic field is made
With the devices and methods therefor of removing fine particle.
Background technology
Thermal power generation occupies first place always in China for a long time, as the main fuel of thermal power generation, and coal is used for a long time
Charcoal causes serious atmosphere pollution.Coal-burning power plant discharge flue dust be inhalable particles in atmosphere pollution main source it
One.Due to fine particle (PM2.5) particle diameter is small, specific area is big, it is easier to which the poisonous and harmful substance such as enriching heavy metal, it directly enters
The characteristics of lung, seriously endangers human respiratory, cardio-cerebrovascular and nervous system etc..A large amount of fine particles are in air simultaneously
The characteristics of middle suspension time length, difficult diffusion, is easily caused haze weather, influences people's normal life, therefore to thin in coal-fired process
Particulate matter removing research is particularly important.
Some existing cleaners include sack cleaner, electrostatic precipitator, wet cottrell etc. according to its from
Body feature and application occasion cuts both ways, and the total efficiency of dust collection of electrostatic precipitator is higher, but to PM2.5Removal efficiency it is relatively low, wet type is quiet
Although electric cleaner has higher removal efficiency to fine particle, operation improvement cost is huge.
General acoustic agglomeration technology is limited to the agglomeration efficiency of fine particle, is needed if further improving agglomeration efficiency
Increase sound pressure level, increase energy consumption adds noise pollution simultaneously.The present invention combine the high strong sound waves of 1000~2400Hz of low frequency and
0.2~0.6T uniform magnetic field or gradient magnetic synergy are pre-processed to flue gas, improve fine particle agglomeration efficiency, then
The bulky grain after reunion is removed using conventional dust removal device, so as to reach the effect of removing fine particulates.
The content of the invention
It is an object of the present invention to provide a kind of acoustic agglomeration joint magnetic fields removing fine particle devices and methods therefor, it is special
Levy and be, the device of the acoustic agglomeration joint magnetic fields removing fine particle includes signal generator, power amplifier, electricity
Dynamic sound source, smoke inlet, reunion room main body, magnet, exhanst gas outlet, air-introduced machine, sound-absorbing sponge；Reunion room body top is provided with electricity
Dynamic sound source, electronic sound source is sequentially connected with power amplifier, signal generator, and body top side in reunion room enters provided with flue gas
Mouthful, wall is externally provided with magnet in the middle part of the main body of reunion room, and reunion room bottom part body is provided with sound-absorbing sponge, reunion room lower body part side
Provided with exhanst gas outlet, exhanst gas outlet is connected with air-introduced machine.
Described magnet is electromagnet or permanent-magnetic clamp, and magnetic field intensity is 0.2~0.6T.The frequency of described electronic sound source
1000~2400Hz, 120~150dB of sound pressure level.
The method of acoustic agglomeration joint magnetic fields removing fine particle device removing fine particle is：Ash-laden gas
Enter reunion room main body through smoke inlet, electronic sound source produces frequency 1000 under signal generator, the control of power amplifier
~2400Hz, sound pressure level is 120~150dB high-strength low-frequency sound wave, and frequency of sound wave is adjustable with sound pressure level, due to sound-absorbing sponge
Effect, produced sound wave forms uniform one-dimensional Traveling wave in the main body of reunion room, and magnet produces 0.2~0.6T magnetic
, magnitude of field intensity is adjustable, control ash-laden gas flow so that ash-laden gas in the main body of reunion room the residence time 3
Between~7s, the fine particle in ash-laden gas is reunited under the synergy in Traveling wave and magnetic field, fine particle group
Particle diameter is polymerized to more than PM2.5Fine grain particulate matter agglomerate, is discharged through air-introduced machine.
The beneficial effects of the invention are as follows compared with the existing technology, it is embodied in：
(1) Fine Particles efficiency is improved：Magnetic fields are combined to fine grained in coal-fired plant flue gas using acoustic agglomeration
Pre-processed, by sound field and the efficient coupling in magnetic field, under the interaction such as sound wave driving force, magnetic dipole power, brown force,
Acoustic agglomeration efficiency is substantially increased, can be with efficient removal PM with reference to traditional cleaner2.5, so as to reduce PM2.5Discharge.
(2) reduce space, reduce energy consumption：, can be with by the high-strength sound field formed in the main body of reunion room and magnetic field simultaneously
Floor space is effectively reduced, while the coupling in sound field and magnetic field, can reduce the energy consumption of acoustic agglomeration.
Brief description of the drawings
Fig. 1 is the schematic device that acoustic agglomeration joint magnetic fields remove fine particle；
In figure：Signal generator 1, power amplifier 2, electronic sound source 3, smoke inlet 4, reunion room main body 5, magnet 6, cigarette
Gas outlet 7, air-introduced machine 8, sound-absorbing sponge 9.
Embodiment
The present invention provides a kind of acoustic agglomeration joint magnetic fields removing fine particle devices and methods therefor, with reference to attached
Figure is explained.
As shown in figure 1, a kind of acoustic agglomeration joint magnetic fields removing fine particle device includes signal generator 1, work(
Rate amplifier 2, electronic sound source 3, smoke inlet 4, reunion room main body 5, magnet 6, exhanst gas outlet 7, air-introduced machine 8, sound-absorbing sponge 9；
The top of reunion room main body 5 is provided with electronic sound source 3, and electronic sound source 3 is sequentially connected with power amplifier 2, signal generator 1, reunites
The upper side of room main body 5 is provided with smoke inlet 4, and the middle part wall of reunion room main body 5 is externally provided with magnet 6, and the bottom of reunion room main body 5 is set
There is sound-absorbing sponge 9, the lower side of reunion room main body 5 is provided with exhanst gas outlet 7, and exhanst gas outlet 7 is connected with air-introduced machine 8.
Described magnet 6 is electromagnet or permanent-magnetic clamp, and magnetic field intensity is 0.2~0.6T.The frequency of described electronic sound source 3
1000~2400Hz, 120~150dB of sound pressure level.
Acoustic agglomeration joint magnetic fields removing fine particle method be：Ash-laden gas enters through smoke inlet 4 and reunited
Room main body 5, electronic sound source 3 produces 1000~2400Hz of frequency, sound pressure level under signal generator 1, the control of power amplifier 2
For 120~150dB high-strength low-frequency sound wave, frequency of sound wave is adjustable with sound pressure level, produced due to the effect of sound-absorbing sponge 9
Sound wave uniform one-dimensional Traveling wave is formed in reunion room main body 5, magnet 6 produces 0.2~0.6T magnetic field, magnetic field intensity
Size is adjustable, controls the flow of ash-laden gas so that ash-laden gas residence time in reunion room main body 5 between 3~7s, contains
Fine particle in cloud of dust gas is reunited under the synergy in Traveling wave and magnetic field, and fine particle is agglomerated into particle diameter and is more than
PM2.5Fine grain particulate matter agglomerate, is discharged through air-introduced machine 8.
The main acoustic agglomeration using design of the invention combines the device of magnetic fields, and ash-laden gas is pre-processed,
Specifically technical characterstic is：
(1) determination of sound field：Using Traveling wave, frequency of source does not influence sound field to be formed, it is contemplated that fine particle sound wave
Agglomeration efficiency, frequency of source is controlled between 1000~2400Hz, it is considered to sound source stability and energy consumption, and sound pressure level is controlled 120
Between~150dB, frequency of sound wave and sound pressure level are adjustable.
(2) determination in magnetic field：The present invention using electromagnet or it is permanent magnetic ring-shaped into uniform magnetic field or gradient magnetic, magnetic field is strong
Degree determines that its scope control is between 0.2~0.6T, and magnetic field intensity is adjustable according to ferriferous oxide content in Particulates from Coal Combustion.
(3) reunion room size of main body is determined：Acoustic agglomeration joint magnetic fields need ash-laden gas in sound field and magnetic field
There is certain residence time, it is contemplated that reunion removal effect, the indoor residence time of reuniting is not less than 3s, it is contemplated that device volume is not
Preferably excessive, while the residence time is unsuitable long, therefore ash-laden gas residence time in the main body of reunion room is controlled in 3~7s most
It is good.
(4) course of work：Open signal generator and power amplifier, sound wave is adjusted to required operating mode, while by magnetic
Field control to required operating mode, ash-laden gas flows through reunion room main body from entrance, reunited in the presence of sound field with magnetic field, cigarette
Gas is discharged from the outlet of reunion room lower side through air-introduced machine.
Claims (4)
1. a kind of acoustic agglomeration joint magnetic fields removing fine particle device, it is characterised in that including signal generator (1), work(
Rate amplifier (2), electronic sound source (3), smoke inlet (4), reunion room main body (5), magnet (6), exhanst gas outlet (7), air-introduced machine
And sound-absorbing sponge (9) (8)；It is provided with electronic sound source (3) at the top of reunion room main body (5), electronic sound source (3) and power amplifier (2),
Signal generator (1) is sequentially connected, and reunion room main body (5) upper side is provided with the middle part of smoke inlet (4), reunion room main body (5)
Wall is externally provided with magnet (6), and reunion room main body (5) bottom is provided with sound-absorbing sponge (9), and reunion room main body (5) lower side is provided with
Exhanst gas outlet (7), exhanst gas outlet (7) is connected with air-introduced machine (8).
2. acoustic agglomeration joint magnetic fields according to claim 1 remove the device of fine particle, it is characterised in that institute
The magnet (6) stated is electromagnet or permanent-magnetic clamp, and magnetic field intensity is 0.2~0.6T.
3. acoustic agglomeration joint magnetic fields removing fine particle device according to claim 1, it is characterised in that described
Electronic sound source (3) frequency be 1000~2400Hz, 120~150dB of sound pressure level.
4. the acoustic agglomeration joint magnetic fields removing fine particle device described in a kind of claim 1 removes the side of fine particle
Method, it is characterised in that：Ash-laden gas enters reunion room main body (5) through smoke inlet (4), and electronic sound source (3) is in signal generator
(1) 1000~2400Hz of frequency, is produced under the control of power amplifier (2), sound pressure level is 120~150dB high-strength all-bottom sound
Ripple, frequency of sound wave is adjustable with sound pressure level, and due to the effect of sound-absorbing sponge (9), produced sound wave is in reunion room main body (5)
Uniform one-dimensional Traveling wave is formed, magnet (6) produces 0.2~0.6T magnetic field, and magnitude of field intensity is adjustable, controls dust constaining
The flow of gas so that ash-laden gas in reunion room main body (5) residence time between 3~7s, the fine grained in ash-laden gas
Thing is reunited under the synergy in Traveling wave and magnetic field, and fine particle is agglomerated into particle diameter more than PM2.5Fine grain particle
Thing agglomerate, is discharged through air-introduced machine (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710182307.1A CN106975318A (en) | 2017-03-24 | 2017-03-24 | A kind of acoustic agglomeration joint magnetic fields removing fine particle devices and methods therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710182307.1A CN106975318A (en) | 2017-03-24 | 2017-03-24 | A kind of acoustic agglomeration joint magnetic fields removing fine particle devices and methods therefor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106975318A true CN106975318A (en) | 2017-07-25 |
Family
ID=59339642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710182307.1A Pending CN106975318A (en) | 2017-03-24 | 2017-03-24 | A kind of acoustic agglomeration joint magnetic fields removing fine particle devices and methods therefor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106975318A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108514790A (en) * | 2018-05-10 | 2018-09-11 | 中国计量大学 | Hand-held fire hazard aerosol fog cancellation element and the method to be eliminated smoke using the device |
| CN109442395A (en) * | 2018-12-12 | 2019-03-08 | 中国华能集团清洁能源技术研究院有限公司 | A kind of system and method for realizing circulating fluidized bed boiler flexibility operation based on technology of acoustic wave |
| CN111473448A (en) * | 2020-03-31 | 2020-07-31 | 宁波方太厨具有限公司 | New fan and method for reducing resistance of filter screen |
| CN111495097A (en) * | 2020-04-16 | 2020-08-07 | 东南大学 | Dust removal pretreatment device and method for water-vapor phase change coupling gradient magnetic field |
| CN113684340A (en) * | 2021-08-27 | 2021-11-23 | 南京常荣声学股份有限公司 | Converter flue gas treatment and waste heat recovery method and system based on dry dedusting |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101108303A (en) * | 2007-08-02 | 2008-01-23 | 武汉凯迪电力环保有限公司 | Wet-type ammonia process flue gas purifying technique for jointly removing multipollutant and system thereof |
| CN201172006Y (en) * | 2008-01-10 | 2008-12-31 | 东南大学 | Catching device of coal respirable particulate |
| CN101480578A (en) * | 2009-01-05 | 2009-07-15 | 哈尔滨工业大学 | Dedusting and desulfurizing fluid bed reactor with combined action of sound and magnetism |
| WO2014036737A1 (en) * | 2012-09-10 | 2014-03-13 | Nanjing University | Devices and methods for removing nano-particulates from gases |
| CN103706219A (en) * | 2013-12-26 | 2014-04-09 | 浙江大学 | Device for removing fine particles by joint action of acoustic agglomeration and mist spray and method of device |
| CN104587789A (en) * | 2015-01-26 | 2015-05-06 | 中国人民解放军国防科学技术大学 | Helmholtz resonator array based suspended particles sound wave agglomerating system and method |
| CN104689675A (en) * | 2015-02-12 | 2015-06-10 | 中国计量学院 | Device and method for removing fine particulate matters by acoustic agglomeration with flying ash recirculating |
-
2017
- 2017-03-24 CN CN201710182307.1A patent/CN106975318A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101108303A (en) * | 2007-08-02 | 2008-01-23 | 武汉凯迪电力环保有限公司 | Wet-type ammonia process flue gas purifying technique for jointly removing multipollutant and system thereof |
| CN201172006Y (en) * | 2008-01-10 | 2008-12-31 | 东南大学 | Catching device of coal respirable particulate |
| CN101480578A (en) * | 2009-01-05 | 2009-07-15 | 哈尔滨工业大学 | Dedusting and desulfurizing fluid bed reactor with combined action of sound and magnetism |
| WO2014036737A1 (en) * | 2012-09-10 | 2014-03-13 | Nanjing University | Devices and methods for removing nano-particulates from gases |
| CN103706219A (en) * | 2013-12-26 | 2014-04-09 | 浙江大学 | Device for removing fine particles by joint action of acoustic agglomeration and mist spray and method of device |
| CN104587789A (en) * | 2015-01-26 | 2015-05-06 | 中国人民解放军国防科学技术大学 | Helmholtz resonator array based suspended particles sound wave agglomerating system and method |
| CN104689675A (en) * | 2015-02-12 | 2015-06-10 | 中国计量学院 | Device and method for removing fine particulate matters by acoustic agglomeration with flying ash recirculating |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108514790A (en) * | 2018-05-10 | 2018-09-11 | 中国计量大学 | Hand-held fire hazard aerosol fog cancellation element and the method to be eliminated smoke using the device |
| CN108514790B (en) * | 2018-05-10 | 2023-10-03 | 中国计量大学 | Smoke eliminating method by hand-held fire smoke eliminator |
| CN109442395A (en) * | 2018-12-12 | 2019-03-08 | 中国华能集团清洁能源技术研究院有限公司 | A kind of system and method for realizing circulating fluidized bed boiler flexibility operation based on technology of acoustic wave |
| CN111473448A (en) * | 2020-03-31 | 2020-07-31 | 宁波方太厨具有限公司 | New fan and method for reducing resistance of filter screen |
| CN111495097A (en) * | 2020-04-16 | 2020-08-07 | 东南大学 | Dust removal pretreatment device and method for water-vapor phase change coupling gradient magnetic field |
| CN113684340A (en) * | 2021-08-27 | 2021-11-23 | 南京常荣声学股份有限公司 | Converter flue gas treatment and waste heat recovery method and system based on dry dedusting |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106975318A (en) | A kind of acoustic agglomeration joint magnetic fields removing fine particle devices and methods therefor | |
| CN103706219B (en) | Acoustic agglomeration combines the devices and methods therefor that spraying synergy removes fine particulates | |
| CN108469066A (en) | A kind of energy-saving air purifying unit | |
| CN203183863U (en) | Electrostatic precipitator with ultrasonic dust removal function | |
| CN204816888U (en) | Electric field action desorption fine particles's device is united to sound wave | |
| CN104689675A (en) | Device and method for removing fine particulate matters by acoustic agglomeration with flying ash recirculating | |
| CN104165419B (en) | Vehicle-mounted pin hole electrostatic type air purification apparatus and its method | |
| CN104923403B (en) | The devices and methods therefor of sound wave combined electric field action removing fine particle | |
| CN106861352A (en) | Acoustic agglomeration joint turbulent flow coalescence technology removes the devices and methods therefor of fine particle | |
| CN203750369U (en) | Device for removing fine particles through acoustic agglomeration and spray combined effect | |
| CN107051725A (en) | The device for removing superfine particulate matter in air is concentrated based on electric microfield | |
| CN104069712A (en) | Chemical coagulation-based 'electricity-bag' integrated compound dust removing process | |
| CN202606304U (en) | Whirlwind and rotational flow device for electrostatically processing oil fume and dust containing gases | |
| CN100553737C (en) | A kind of sound wave auxiliary composite bag type dust remover | |
| CN107774099A (en) | A kind of garbage compression station cleans drainage automatically | |
| CN205055663U (en) | Ultrasonic wave condenses negative pressure blowback bag collector | |
| CN105195320A (en) | Constant-magnetism-enhancing dust removal device | |
| CN108568166B (en) | Side air inlet device of dust remover and cloth bag dust remover | |
| CN204522661U (en) | A kind of acoustic agglomeration with fly ash reinjection removes the device of fine particle | |
| CN204063332U (en) | Vehicle-mounted pin hole electrostatic type air purification apparatus | |
| CN106076053A (en) | Separate type acoustic agglomeration suspension fine grained emission-reducing system based on resonant cavity | |
| CN206045709U (en) | Separate type acoustic agglomeration suspension fine grained emission-reducing system based on resonant cavity | |
| CN207838575U (en) | A kind of water filtering weldering fume purifier | |
| CN207463784U (en) | A kind of weld fumes clarifier air suction arm fixed seat | |
| CN207247462U (en) | A kind of intelligent building wind-exchanging system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170725 |