CN106390652B - A kind of Wet-type high-efficient eddy flow removing fine particle device - Google Patents

A kind of Wet-type high-efficient eddy flow removing fine particle device Download PDF

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CN106390652B
CN106390652B CN201610837856.3A CN201610837856A CN106390652B CN 106390652 B CN106390652 B CN 106390652B CN 201610837856 A CN201610837856 A CN 201610837856A CN 106390652 B CN106390652 B CN 106390652B
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cylinder
eddy flow
liquid film
wet
fine particle
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CN106390652A (en
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钱姜海
王军锋
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Jiangsu University
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Jiangsu University
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D50/00Combinations of devices for separating particles from gases or vapours
    • B01D50/004Combinations of devices relating to groups B01D45/00 and B01D47/00

Abstract

The present invention provides a kind of Wet-type high-efficient eddy flow removing fine particle device, including swirl cylinder, eddy flow washing plate, sprayer, injection liquid film nozzle, demister, filter, variable frequency pump, collecting tank, PM concentration measuring apparatus and control signal transducer;The cylinder lower end of the swirl cylinder is equipped with collecting tank and leakage fluid dram, the tangentially-arranged gas inlet of cylinder on top, and cylinder upper end is equipped with exhanst gas outlet;The eddy flow washing plate, sprayer and injection liquid film nozzle are fixedly mounted on cylinder lumen successively from top to bottom;The demister is mounted on cylinder lumen top and below exhanst gas outlet;The water outlet of the water pump is connect with the water inlet of injection liquid film nozzle and sprayer respectively by pipeline.Realization atomizing de-dusting, spiral board wash, liquid film control dirt and absorption enable cyclone separation device efficient removal fine particulates, stable and reliable operation.Without folder mist water phenomenon after gas cleaning, equipment material has corrosion resistance, wear-resisting, heat safe performance, service life long.

Description

A kind of Wet-type high-efficient eddy flow removing fine particle device
Technical field
The invention belongs to dedusting Study on Environmental Protection fields, and in particular to a kind of Wet-type high-efficient eddy flow removing fine particle dress It sets.
Background technology
SO2 and the pellet pollution that coal combustion generates are the main pollutions of China's atmospheric environment.Currently, in wet method Dust-extraction unit, such as electric precipitation, dust removal with machine and bag-type dust are respectively arranged with before sulfur removal technology, these dust-extraction units can effectively remove Most of large-size particles object and part fine particle size particulate matter, and it is very low to the fine particles removal efficiency such as PM2.5 and with Grain size reduces removal efficiency and is remarkably decreased.In addition, wet process of FGD dedusting is usually water mist sprinkling or Water curtain filter mode, because Flue gas and water mist juxtaposition process are short, and contact area is small, and dust removing effects are affected.It is strong due to gas-liquid in sweetening process Strong contact, entrained liquid effect and the crystallization precipitation of heterogeneous reaction effect, cause desulfurization product to be discharged with desulfurization fume so that cigarette Gas fine grain concentration of emission after desulfurization increases instead.Some researches show that be equipped with limestone/gypsum method desulphurization system The fine grained of coal-fired plant flue gas outlet is mostly PM2.5, in addition to flying dust, also components such as gypsum, lime stone.In recent years, with Haze weather takes place frequently, and PM2.5 pollutions cause serious influence to people's health and daily life, therefore reinforce fine particle Control and the energy-efficient PM removing sulfuldioxides of exploitation it is extremely urgent.
The present invention effectively use cyclonic separation cylinder, liquid film control dirt and purifier, annular spray device, spiral board washing plate, Efficient removal fine particulates, have that floor space is small, technique is relatively easy, absorbent utilization rate is high, and cleaning solution can be accomplished Closed circulating, without discharging of waste liquid, water consumption is seldom, and system resistance is small, and operating condition adaptive faculty is strong, and it is stable can It leans on, also meets the service condition of low temperature electric precipitator, higher gas cleaning effect can be reached.Without folder mist after gas cleaning Water phenomenon, equipment material have corrosion resistance, wear-resisting, heat safe performance, and operation and maintenance are easy, service life is long.Dedusting While have concurrently removing gaseous pollutant effect, especially suitable for production technology itself have water treatment facilities occasion.
Invention content
The purpose of the present invention is being directed to above-mentioned existing wet process of FGD dust collecting process flue gas to contain a large amount of mist drops, It is de- that the problems such as Fine Particles are difficult, complex process, spiral board fouling and clogging, required high energy consumption provides a kind of Wet-type high-efficient eddy flow Except fine particle device, realization atomizing de-dusting, spiral board wash, liquid film control dirt and absorption enable cyclone separation device efficiently to take off Except fine particulates, stable and reliable operation.Dust removal mechanism mainly have reunite deposition, drop washing, droplet settling, drop adsorb, Liquid film control dirt and absorption and Blang's diffusion, interception, inertial collision, wall surface is spread and the mechanism such as gravitational settling, cyclonic separation.? Before in flue gas emission to air, deep purifying is carried out to flue gas, fine particle, fine droplet in flue gas are removed, Further decrease the pollutant concentration being discharged into atmospheric environment.Using PM concentration measuring apparatus and control signal transducer, realize Automatic adjustment to fluid flow while meeting discharge standard, enhances energy-saving benefit.
The technical scheme is that:A kind of Wet-type high-efficient eddy flow removing fine particle device includes swirl cylinder, several groups Spray washing mechanism, demister, variable frequency pump and collecting tank;
The cylinder lower end of the swirl cylinder is equipped with collecting tank and leakage fluid dram, the tangentially-arranged rectangle of cylinder on collecting tank top The cylinder upper end of gas inlet, swirl cylinder is equipped with exhanst gas outlet;
The spray washing mechanism includes eddy flow washing plate, sprayer and injection liquid film nozzle, the eddy flow washing plate, spray Day with fog and injection liquid film nozzle are fixedly mounted on the cylinder lumen of swirl cylinder successively from top to bottom;
The demister is mounted on the cylinder lumen top of swirl cylinder and below exhanst gas outlet;
The water outlet of the variable frequency pump is connect with the water inlet of injection liquid film nozzle and sprayer respectively by pipeline.
Further include PM concentration measuring apparatus and control signal transducer in said program;
The PM concentration measuring apparatus is electrically connected with one end of control signal transducer, and the probe difference of PM concentration measuring apparatus It is arranged in gas inlet and exhanst gas outlet;The other end of the control signal transducer is electrically connected with the variable frequency pump;
The particle concentration signal that the control signal transducer is provided according to PM concentration measuring apparatus, adjusts variable frequency pump Flow.
Further include filter in said program;The filter is arranged between the leakage fluid dram and variable frequency pump of collecting tank Connection pipeline on.
In said program, the injection liquid film nozzle includes screw thread straight tube, external thread rod, internal thread support ring and internal thread Liquid barrier;The screw thread straight tube is connect by screw thread with liquid feeding pipeline, and Inner threaded support rings, Inner screw thread branch are arranged in screw thread straight tube Be connected with external thread rod on pushing out ring axis, screw thread straight tube end be equipped with center carry internal thread liquid barrier, internal thread liquid barrier with External thread rod connects on axial line, passes through the gap of threaded adjusting internal thread liquid barrier and screw thread straight tube end.
In said program, the eddy flow washing plate includes blind plate and multiple swirl vanes;One end of the swirl vane point It An Zhuan not be on the circumference of blind plate.
In said program, the sprayer is annular spray device;The annular spray device connects multiple nozzles.
Further, the nozzle is spiral nozzle.
In said program, on the pipeline that the variable frequency pump is connect with the water inlet of injection liquid film nozzle and sprayer respectively Control valve is installed.
In said program, the pipeline that the variable frequency pump is connect with the water inlet of top injection liquid film nozzle is equipped with pressure Power table.
In said program, the demister uses rotational flow plate defroster or mesh mist eliminator.
Compared with prior art, the beneficial effects of the invention are as follows:
1. present invention process is simple, flue gas rises in eddy flow shape in swirl cylinder, extend the path flowed in cylinder and when Between, band shredded tobacco for water pipes gas interacts in cylinder, substantially increases by water mist catch probability;On the one hand injection liquid film makes particulate matter and water Film collision reaction extends particulate matter residence time in swirl cylinder;On the other hand, suspension liquid and membrane is hit with cylinder inboard wall and is generated Drop and wall surface liquid film, drop rebound and capture fine particle into cylinder, and partial drop is settled by gravity, and partial drop exists It gets rid of to wall surface under centrifugation force effect, and is trapped by wall surface liquid film moistening.
2. suspension liquid and membrane formed obturator in setting annular spray device and eddy flow wash plate, the droplet for generation of spraying and The drop that liquid film nozzle generates is contacted with swirl vane generates liquid film, using the principle of liquid collision, adherency, cohesion, in eddy flow Plate leaf on piece forms liquid film, can again be acted on liquid film when dust-contained airflow passes through swirl vane, further increases purification efficiency; When spouting liquid is larger, liquid pool is formed on spiral board, dust-contained airflow enters eddy flow kitchen sink after spiral board, is formed a large amount of Bubble, entraining air bubbles particulate matter are fully acted on cleaning solution, further increase purification efficiency.
3. so that the particulate matter of different-grain diameter and drop can be trapped effectively by a variety of capture mechanisms, it can be in flue gas The purification of depth is obtained before being emitted into air, is further ensured that the quality of flue gas emission.It only need to be to existing desulfation dust-extraction device It is simply transformed, liquid film ejecting device is set in wet process of FGD wash mill, installed in liquid film obturator efficient The efficient removal of fine particle can be realized in spraying device;The present invention can effectively control wet process of FGD fine grained and droplet Discharge, can be widely applied to the field for being equipped with wet method fume desulfurizing system, and investment operating cost is low.
4. the present invention be suitable for medium small boiler and suitable volume industrial kiln, waste incinerator flue-gas dust-removing and desulfurization and The integrated purifying device of other toxic and harmful gas.Floor space is small, and cleaning solution can accomplish closed circulating, without waste liquid Discharge, water consumption is seldom, system resistance is small, and operating condition adaptive faculty is strong, also meets the service condition of low temperature electric precipitator, can Reach higher gas cleaning effect.After gas cleaning without folder mist water phenomenon, equipment material have corrosion resistance, it is wear-resisting, Heat safe performance, service life are long.
Description of the drawings
Fig. 1 is the overall structure diagram of an embodiment of the present invention;
Fig. 2 is the injection liquid film nozzle structure schematic diagram of an embodiment of the present invention;
Fig. 3 is the eddy flow washing plate structural scheme of mechanism of an embodiment of the present invention.
In figure:1. gas inlet;2. collecting tank;3. filter;4. variable frequency pump;5. eddy flow washs plate;501. blind plate; 502. swirl vane;6. nozzle;7. sprayer;8. spraying liquid film nozzle;801. threaded straight tubes;802. external thread rod;803. Internal thread support ring;804. internal thread liquid barriers;9. demister;10. control valve;11. pressure gauge;12. exhanst gas outlet;13.PM Concentration measuring apparatus;14. controlling signal transducer;15. swirl cylinder.
Specific implementation mode
Invention is further described in detail with reference to the accompanying drawings and detailed description, but protection scope of the present invention It is not limited to this.
Fig. 1 show a kind of embodiment of Wet-type high-efficient eddy flow removing fine particle device of the present invention, described wet Formula high-efficiency cyclone removes fine particle device, including swirl cylinder 15, several groups spray washing mechanism, demister 9, filter 3, change Frequency water pump 4, collecting tank 2, PM concentration measuring apparatus 13 and control signal transducer 14.
The cylinder lower end of the swirl cylinder 15 is equipped with collecting tank 2 and leakage fluid dram, and the cylinder on 2 top of collecting tank is tangentially-arranged Rectangle flue gas import 1, gas inlet 1 are connect with air-introduced machine.The cylinder upper end of the swirl cylinder 15 is equipped with exhanst gas outlet 12.Institute It includes eddy flow washing plate 5, sprayer 7 and injection liquid film nozzle 8, the eddy flow washing plate 5, sprayer 7 to state spray washing mechanism It is fixedly mounted on the cylinder lumen of swirl cylinder 15 successively from top to bottom with injection liquid film nozzle 8.The demister 9 is mounted on eddy flow The cylinder lumen top of cylinder 15 and positioned at the lower section of exhanst gas outlet 12;The water outlet of the variable frequency pump 4 by pipeline respectively with spray The water inlet and sprayer 7 for penetrating liquid film nozzle 8 connect.The variable frequency pump 4 is frequency conversion dirt variable frequency pump.The filter 3 is set It sets on the pipeline being connect between the leakage fluid dram and variable frequency pump 4 of collecting tank 2.Leakage fluid dram of the waste liquid through collecting tank 2 is become by dirt After frequency water pump 4 is evacuated to the filtering of filter 3, then it is delivered to injection liquid film nozzle 8 and the recycling of sprayer 7.The demister 9 is adopted With rotational flow plate defroster or mesh mist eliminator, fine particulates can be further removed, and ensure no folder fog belt after gas cleaning Water phenomenon.
The PM concentration measuring apparatus 13 is electrically connected with one end of control signal transducer 14, and the spy of PM concentration measuring apparatus 13 Head is separately positioned on gas inlet 1 and exhanst gas outlet 12;The other end and the variable frequency pump 4 of the control signal transducer 14 Electrical connection;The particle concentration signal that the control signal transducer 14 is provided according to PM concentration measuring apparatus 13, adjusts frequency conversion water The frequency converter of pump 4 realizes the automatic adjustment to fluid flow, with the reduction of particle concentration, reduces spouting liquid, meets discharge mark While quasi-, enhance energy-saving benefit.
As shown in Fig. 2, the injection liquid film nozzle 8 includes screw thread straight tube 801, external thread rod 802, internal thread support ring 803 and internal thread liquid barrier 804;The screw thread straight tube 801 is connect by screw thread with liquid feeding pipeline, setting in screw thread straight tube 801 Inner threaded supports ring 803 is connected with external thread rod 802 on 803 axis of Inner threaded supports ring, in 801 end of screw thread straight tube is equipped with Central band has internal thread liquid barrier 804, and internal thread liquid barrier 804 is connect with external thread rod on axial line 802, by threaded adjusting The gap of screw thread liquid barrier 804 and 801 end of screw thread straight tube.
As shown in figure 3, the eddy flow washing plate 5 includes blind plate 501 and multiple swirl vanes 502;The swirl vane 502 One end be separately mounted on the circumference of blind plate 501.
Eddy flow washs plate 5, by designing the blade angle and the number of blade of swirl vane 502, through analysis of experiments, blade angle 15 Degree left and right makes cleaning solution be uniformly distributed on spiral board when the number of blade is 16, and eddy flow washing is made to reach best dust removing effects.? One or more levels eddy flow is installed in swirl cylinder 15 and washs plate 5, flue gas under the guiding role of cylinder inward eddy plate leaf piece with water in dust removal Or lye contact, dusty gas through multiple impact surface with flowing liquid membrane swirl vane and spiral board upper wash pond after, Fine particulates be caught liquid collecting wetting cohesion trapping, efficiently separated under the action of the centrifugal force, and fall under the effect of gravity Enter bottom collecting tank, the spiral board requires anti-corrosion, characteristic wear-resisting, surface is smooth, structure to have preferable water distribution characteristic.
It is separately installed with control on the pipeline that the variable frequency pump 4 is connect with the water inlet of injection liquid film nozzle 8 and sprayer 7 Valve 10 processed.
The pipeline that the variable frequency pump 4 is connect with the water inlet of top injection liquid film nozzle 8 is equipped with pressure gauge 11.
It sprays liquid film nozzle 8 and utilizes impinging jet principle, when water spray forms uniform film.Under certain hydraulic pressure, lead to It overregulates valve 10 and adjusts flow, while injection liquid film can be made to reach best dust removing effects with the block at the top of adjusting shower nozzle.It is revolving Installation level-one or several levels liquid film nozzle in flow cartridge form multilayer suspension liquid film layer, and liquid film sprays Outside Dimensions and thickness of liquid film can To be adjusted according to particular condition in use.It is simple in structure to spray liquid film nozzle 8, it is easy to maintenance, it is of low cost, while convenient for peace Dress, service life are long.
The sprayer 7 is annular spray device, connects multiple nozzles 6 using annulus, nozzle 6 is the low pressure rotation being not easy to plug Stream atomizer, spiral nozzle or other can generate the device that gas-liquid rotation improves dispersion effect, preferably spiral nozzle.? Limited space forms multiple drop compact districts, meet remove fine particle under the premise of, reach as possible reduce floor space, The purpose of investment reduction.
Each component materials of Wet-type high-efficient eddy flow removing fine particle device of the present invention do corrosion resistant processing or using resistance to Corrosion material.
Apparatus of the present invention carry out wet high-effective eddy flow and remove fine particulates, and main process is as follows:In the effect of air-introduced machine Under, dust-contained airflow is from the gas inlet 1 of cylinder lower part tangentially to enter swirl cylinder 15, and helically formula rises along barrel, thick Particulate matter is thrown toward collision with wall separation under the action of the centrifugal force.Fine particle is continued up with air-flow, initially enters rotation Flowing plate scrubbing section, flue gas through eddy flow washing plate 5 reinforce rotation, under the guiding role of cylinder inward eddy blade 502 with water in dust removal or Lye contacts, after swirl vane 502 and spiral board upper wash pond of the dust-contained airflow impact surface with flowing liquid membrane, by used Property collision, intercept, diffusion etc. mechanisms, fine particulates be caught liquid collecting wetting cohesion trapping, obtain under the action of the centrifugal force It efficiently separates, and falls under gravity into bottom collecting tank, achieve the purpose that efficient removal fine particle.Then by spray Mist scrubbing section, dust-contained airflow interacts with the water mist layer that sprayer 7 sprays, in the short distances machine such as inertial collision, interception and diffusion Under the action of reason, the particulate matter of wetted cohesion is thrown toward barrel under the action of the centrifugal force, and is agglomerated by wall surface liquid film moistening, then Under the effect of gravity with liquid film downstream to collecting tank, the fine particle of collection at large is then as air-flow continues up.It passes through again The suspension liquid and membrane that overspray liquid film nozzle 8 generates, fine particle is by suspension liquid and membrane control and catharsis, on the one hand, part Grain object rebounds with suspension liquid and membrane contact-impact, extends particulate matter residence time in swirl cylinder.On the other hand, suspension liquid and membrane and cylinder Internal wall, which is hit, generates drop and wall surface liquid film, captures fine particle in drop rebound to cylinder, partial drop is by gravity Sedimentation, partial drop is got rid of to wall surface under the action of the centrifugal force, and is trapped by wall surface liquid film moistening.Wall surface liquid film is under the effect of gravity Flow to bottom collecting tank.
Flue gas after level-one eddy flow washs plate, sprayer, liquid film control dirt and adsorbent equipment continues to rise, and can design warp Two level or Multi-stage spiral washing plate, sprayer, liquid film control dirt and absorption, single-layer or multi-layer is equipped in the top of eddy flow washing system Demister 9.Purified flue gas is discharged through exhanst gas outlet 12.It is equipped with collecting tank 2 in 15 bottom of swirl cylinder.Sewage flows into cylinder bottom collection Liquid pool, then be extracted into filter 3 through frequency conversion dirt variable frequency pump 4, waste liquid is delivered to liquid-jet device cycle profit again after filtration treatment With.
The advantageous effect of the present apparatus removes fine particle device using New type wet high-efficiency cyclone compared with prior art, When dust-contained airflow passes through eddy flow liquid film, particle spreads more easily by inertial collision, interception, Blang, sticks cohesion, liquid film control Dirt and dedusting, gravitational settling, the effects that centrifuging mechanism are captured, and efficiently solve removing fine particle, and have both absorption The purpose of gaseous pollutant.High-temp waste gas, stickiness particle and drop, high dust collection efficiency can be handled.The present invention can be expanded and be answered For the various outer last person's gas for needing to purify and dedusting etc. again.
It should be appreciated that although this specification describes according to various embodiments, not each embodiment only includes one A independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should will say As a whole, the technical solutions in the various embodiments may also be suitably combined for bright book, and forming those skilled in the art can be with The other embodiment of understanding.
The series of detailed descriptions listed above is illustrated only for possible embodiments of the invention, They are all without departing from equivalent embodiment made by technical spirit of the present invention or change not to limit the scope of the invention It should all be included in the protection scope of the present invention.

Claims (7)

1. a kind of Wet-type high-efficient eddy flow removes fine particle device, which is characterized in that washed including swirl cylinder (15), several groups spraying Wash mechanism, demister (9), variable frequency pump (4) and collecting tank (2);
The cylinder lower end of the swirl cylinder (15) is equipped with collecting tank (2) and leakage fluid dram, and the cylinder on collecting tank (2) top is tangentially set Rectangle flue gas import (1) is set, the cylinder upper end of swirl cylinder (15) is equipped with exhanst gas outlet (12);
The spray washing mechanism includes eddy flow washing plate (5), sprayer (7) and injection liquid film nozzle (8), the eddy flow washing Plate (5), sprayer (7) and injection liquid film nozzle (8) are fixedly mounted on the cylinder lumen of swirl cylinder (15) successively from top to bottom;
The demister (9) is mounted on the cylinder lumen top of swirl cylinder (15) and below exhanst gas outlet (12);
The water outlet of the variable frequency pump (4) is connected with the water inlet of injection liquid film nozzle (8) and sprayer (7) respectively by pipeline It connects;
The injection liquid film nozzle (8) includes screw thread straight tube (801), external thread rod (802), internal thread support ring (803) and interior Screw thread liquid barrier (804);The screw thread straight tube (801) is connect by screw thread with liquid feeding pipeline, in screw thread straight tube (801) in setting Threaded support ring (803) is connected with external thread rod (802) on internal thread support ring (803) axis, in screw thread straight tube (801) end Internal thread liquid barrier (804) is carried equipped with center, internal thread liquid barrier (804) is connect with external thread rod on axial line (802), is led to Cross the gap of threaded adjusting internal thread liquid barrier (804) and screw thread straight tube (801) end;
The sprayer (7) is annular spray device;The annular spray device connects multiple nozzles (6);Further include PM measurement of concetrations Instrument (13) and control signal transducer (14);
The PM concentration measuring apparatus (13) is electrically connected with one end of control signal transducer (14), and PM concentration measuring apparatus (13) Probe is separately positioned on gas inlet (1) and exhanst gas outlet (12);It is described control signal transducer (14) the other end with it is described Variable frequency pump (4) variable-frequency motor connects;
The particle concentration signal that the control signal transducer (14) provides according to PM concentration measuring apparatus (13), adjusts frequency conversion water Pump the flow of (4).
2. Wet-type high-efficient eddy flow according to claim 1 removes fine particle device, which is characterized in that further include filter (3);On the pipeline that filter (3) setting is connect between the leakage fluid dram and variable frequency pump (4) of collecting tank (2).
3. Wet-type high-efficient eddy flow according to claim 1 removes fine particle device, which is characterized in that the eddy flow washing Plate (5) includes blind plate (501) and multiple swirl vanes (502);
One end of the swirl vane (502) is separately mounted on the circumference of blind plate (501).
4. Wet-type high-efficient eddy flow according to claim 1 removes fine particle device, which is characterized in that the nozzle (6) For spiral nozzle.
5. Wet-type high-efficient eddy flow according to claim 1 removes fine particle device, which is characterized in that the variable frequency pump (4) it is separately installed with control valve (10) on the pipeline being connect with the water inlet of injection liquid film nozzle (8) and sprayer (7).
6. Wet-type high-efficient eddy flow according to claim 1 removes fine particle device, which is characterized in that the variable frequency pump (4) pipeline being connect with the water inlet of top injection liquid film nozzle (8) is equipped with pressure gauge (11).
7. Wet-type high-efficient eddy flow according to claim 1 removes fine particle device, which is characterized in that the demister (9) rotational flow plate defroster or mesh mist eliminator are used.
CN201610837856.3A 2016-09-21 2016-09-21 A kind of Wet-type high-efficient eddy flow removing fine particle device Active CN106390652B (en)

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CN2465785Y (en) * 2001-01-05 2001-12-19 谭国雄 Combined flue gas purifying device
CN2748159Y (en) * 2004-09-13 2005-12-28 闫玉德 Desulfurizing and dedusting arrangement with multi-stage water film
CN203123767U (en) * 2013-04-01 2013-08-14 东莞市莞绿环保工程有限公司 Composite type dust collector
CN203355529U (en) * 2013-07-05 2013-12-25 江苏博际喷雾系统有限公司 Efficient dedusting purification device adopting wet-type variable-flow mist spraying
CN204275718U (en) * 2014-11-14 2015-04-22 遵义市金狮金属合金有限公司 A kind of exhaust treatment system
CN105771477B (en) * 2014-12-22 2019-03-15 中国科学院过程工程研究所 A kind of fluidisation atomization and liquid film wash combined flue gas purification device and method
CN206168155U (en) * 2016-09-21 2017-05-17 江苏大学 High -efficient whirl desorption fine particle device of wet -type

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