CN104963746B - A kind of haze powder collection processing unit - Google Patents
A kind of haze powder collection processing unit Download PDFInfo
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- CN104963746B CN104963746B CN201510291216.2A CN201510291216A CN104963746B CN 104963746 B CN104963746 B CN 104963746B CN 201510291216 A CN201510291216 A CN 201510291216A CN 104963746 B CN104963746 B CN 104963746B
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Abstract
The invention aims to provide a kind of haze particle processing device, the device not only effectively can be collected and handle to the fine particle in waste gas, directly can also collect and handle in air largely existing PM2.5（Particle diameter is less than or equal to 2.5 microns of fine particle）.The air containing haze particle is pumped in the haze powder collection processing unit by device air inlet with power set and purified, the air for as meeting national standard flowed out by device gas outlet.And the versatility of the device is very strong, can be applied not only to industrial circle can also be applied on the waste gas exhaust outlets of equipment such as diesel engine.By its application in the industrial production, the particulate matter in waste gas and soot content can be greatly decreased, and reentrainment of dust will not be caused to pollute.Applied on diesel vehicle, the advantages that collection of particle and treatment effeciency have compared with conventional method significantly to be lifted, and makes diesel engine truck exhaust have exhaust back pressure small, and pressure drop is low, and particle collection efficiency is high, and particle post processing is complete.
Description
Technical field
The invention belongs to technical field of air purification, more particularly to a kind of haze powder collection processing unit.
Background technology
In the last few years, the hot issue that " haze " discusses into us, and paid attention to by country and people.And PM2.5
(diameter is less than or equal to 2.5 microns of fine particle）It is considered as the main reason for causing haze weather.Nowadays country will
Fine particle（PM2.5）Concentration is added in air quality index index, and fine particle concentration becomes evaluation air in air
One of index of quality, national Abgasgesetz also become increasingly strict.Although the contents of PM2.5 in an atmosphere are few,
But compared with thicker particulate matter, PM2.5 particle diameter is small, and rich in there is substantial amounts of harmful substance, and its is aerial
Residence time is long, the distance of conveying is remote, thus the influence to health and environment is bigger.Industrial Boiler and raw in industry
The flue dust that is discharged during production, dust etc. are the important sources of city industrial area atmosphere pollution, the dedusting nowadays commonly used in industry
Method is cyclone dust removal and electrostatic precipitation.Cyclone dust collectors, when gas flow rate is higher, its efficiency of dust collection is higher, and works as gas
When flow velocity is low, due to the centrifugal force deficiency that particulate matter is subject to, cause the collection efficiency of particle very low, and it goes to fine particles
Except having little effect.Now industrially wide variety of electrostatic precipitator, can reach 99.9% for more than 10 microns of particles
Dust removing effects, it is but not high to PM2.5 efficiency of dust collection, and in the case where gas flow rate is big, due to electric field action
Shortened in the time on particle, its efficiency of dust collection can significantly decrease.
As industrial development and car ownership increase year after year, vehicle exhaust and industrial waste gas turn into PM2.5 in air
Main source, such as diesel vehicle, the discharge of its particle and soot is more several ten times larger than gasoline engine even more more, diesel engine particles row
The main reason for putting as the important sources of atmosphere pollution, and causing haze weather.But nowadays apply in automobile
On particle trap, although the capturing efficiency of particle can reach very high, some can even reach 90%, however its
It is big to there is intake resistance, pressure drop is big, in use for some time, due to the accumulation of particulate matter, causes exhaust back pressure to become big, thus
Engine power performance is caused to degenerate, fuel economy is deteriorated, the problems such as particle capture deterioration of efficiency.And conventional dedusting technology exists
When handling the less particle of such as PM2.5 particle diameters in waste gas caused by existing industrial equipment and flue dust, its efficiency is low, feasibility
Difference, it is difficult to meet the requirement of increasingly strict Abgasgesetz.
The content of the invention
The defects of the invention aims to overcome prior art to exist, there is provided a kind of particle collection efficiency is high, collects particle
Cohesion, powder collection and particle disposal are in a kind of new haze powder collection processing unit of one.
The adopted technical solution is that a kind of haze powder collection processing unit, including device air inlet,
Charged region assembly, knockouts, electrostatic whirlwind particle trap assembly, electromagnetic particle catcher assembly and device gas outlet, it is described
Device air inlet be connected with charged region assembly, set between described charged region assembly and electrostatic whirlwind particle trap assembly
Knockouts is equipped with, described electrostatic whirlwind particle trap assembly is connected with electromagnetic particle catcher assembly, described electromagnetism
One end of particle trap assembly is provided with device gas outlet.
Also include electronic control unit, mass air flow sensor and the first air valve, described mass air flow sensor is arranged on device
Air inlet, the signal of described mass air flow sensor go out end and are connected with the signal input part of electronic control unit.
Described charged region assembly includes cathode metal net, negative metal net, insulation board and shell, and described insulation board is set
Put among shell, charged region be separated into two parts, per being evenly arranged with wire netting in part, the wire netting being separated with
Positive electrode be connected for cathode metal net be connected with negative electrode for negative metal net.
Be provided with the impeller being made up of impeller blade and impeller axle in the housing of described knockouts, described knockouts and
The first air valve is provided between electrostatic whirlwind particle trap assembly.The signal of the first described air valve goes out end and electronics control
The signal of unit processed enters end and is connected.
Described electrostatic whirlwind particle trap assembly includes electrostatic whirlwind particle trap assembly air inlet, outer barrel, interior
Cylinder, particle collector, electrostatic whirlwind particle trap assembly gas outlet, arista electrode and newel, described electrostatic whirlwind
Grain catcher assembly air inlet is connected with knockouts gas outlet, and described inner cylinder is arranged on one end and electrostatic whirlwind in outer barrel
Grain catcher assembly gas outlet is connected, and newel is provided with described outer barrel, the surface of described newel is uniformly arranged
There is arista electrode, described outer barrel bottom is provided with particle collector.
Described electromagnetic particle catcher assembly is divided into Pregionp, field regions, negative charge region and heating zone, including electromagnetism
Particle trap assembly air inlet, the second air valve, Pregionp shell, Pregionp electrode, heating zone shell, negative charge region
Electrode, valve, electromagnetic particle catcher assembly gas outlet, heating wire, upper and lower collecting board, by-passing valve, uniform magnetic field and by-pass,
Described electromagnetic particle catcher assembly air inlet is connected with electrostatic whirlwind particle trap assembly gas outlet, described electromagnetism
Particle trap assembly air inlet is provided with by-pass and auxiliary air entrance, and described auxiliary air, which enters, intraoral is provided with second
Air valve, the described by-pass other end are connected with electromagnetic particle catcher assembly gas outlet, and described electromagnetic particle is caught
Device assembly air inlet is connected with Pregionp shell, and described Pregionp electrode is evenly distributed in the shell of Pregionp,
Uniform magnetic field and negative charge region electrode are provided between described collecting board up and down, is heating zone outside described collecting board up and down,
Heating wire is inside provided with, valve is provided with described electromagnetic particle catcher assembly gas outlet, is set in described by-pass
There is by-passing valve.
Described impeller, by-passing valve, valve, the signal input part and Electronic Control list of the first air valve and the second air valve
The signal output part of member is connected.
Described charged region assembly shell, knockouts shell, impeller blade and Pregionp shell uses insulating materials system
Into.
Compared with prior art, the advantageous effect of present invention is that：The collection efficiency of particle is greatly improved, is made up
The defects of traditional deduster, it can not only be used for effectively removing the particle and flue dust in Industry Waste, effectively reduce diesel engine
PM2.5 discharge, particle concentration is reduced to environment protection emission requirement, the existing haze particle in air can also be carried out
Collection is handled, and is purified our air, is improved our air quality and living environment.With very high practical value and application
Prospect, there is the advantages of integrating particle aggregation, powder collection and particle disposal.Applied on diesel engine, diesel oil can be made
Machine has the advantages that exhaust back pressure is small, and pressure drop is low, and particle collection efficiency is high, and particle post processing is complete in exhaust process, makes it
The requirement of increasingly strict Abgasgesetz can be met.Apply at the industrial equipment waste gas exhaust outlet for producing waste gas, the mist
PM2.5 discharge can be greatly decreased in haze particle collection and treatment device, so as to improve our air quality and living environment.
Brief description of the drawings
Fig. 1 is the total structural representation of the present invention；
Fig. 2 is for the charged region assembly diagram of the present invention；
Fig. 3 is for the charged region assembly AA sectional views of the present invention；
Fig. 4 is the electrostatic whirlwind particle trap assembly diagram of the present invention；
Fig. 5 is the electromagnetic particle catcher assembly diagram of the present invention；
Fig. 6 is impeller schematic diagram；
Fig. 7 is impeller side view.
In figure：
Charged region assembly 4- knockouts the first air valves of 5- of 1- device air inlet 2- mass air flow sensor 3
6- electrostatic whirlwind particle trap assembly 7- electromagnetic particle catcher assembly 8- devices gas outlet
9- cathode metal net 10- negative metal net 11- insulation board 12- shell 13- electrostatic whirlwind particle traps are total
Into air inlet 14- outer barrel 15- inner cylinder 16- particle collector 17- electrostatic whirlwind particle trap assemblies gas outlet 18- prickles
Electrode 19- newel 20- electromagnetic particle catcher assembly air inlets
Outside the 25- heating zones of 21- the second air valve 22- Pregionps shell 23- Pregionps electrode 24- Pregionps
Shell 26- heating zones 27- negative charge regions electrode 28- valve 29- electromagnetic particle catcher assemblies gas outlet 30- heating wire
Above and below 31- negative charge regions 32- field regions 33- collecting board 34- by-passing valve 35- uniform magnetic field 36- by-passes 37- impeller leaves
Piece 38- impeller axle 39- electronic control units.
Embodiment
Embodiment 1：
As shown in figure 1, a kind of haze powder collection processing unit, including device air inlet 1, charged region assembly 3, knockouts
4th, electrostatic whirlwind particle trap assembly 6, electromagnetic particle catcher assembly 7 and device gas outlet 8 and it is connected with device air inlet 1
The extractor fan connect, described air inlet are connected with charged region assembly 3, described charged region assembly 3 and electrostatic Cyclone Particle
Knockouts 4 is provided between catcher assembly 6, described electrostatic whirlwind particle trap assembly 6 is total with electromagnetic particle catcher
It is connected into 7, one end of described electromagnetic particle catcher assembly 7 is provided with device gas outlet 8.
Also include electronic control unit 39 and mass air flow sensor 2, electronic control unit 39, from Xilinx companies
The control system of Virtex series.Described mass air flow sensor 2 is arranged on device air inlet 1, described mass air flow sensor 2
Signal go out end be connected with the signal input part of electronic control unit 39.Mass air flow sensor 2 is used for accurately monitoring inflow
The gas of grain processing unit, and the air inflow of gas, density of the induced air, intake air temperature signals are transferred to electronic control unit 39.
As shown in Figures 2 and 3：Described charged region assembly 3 includes cathode metal net 9, negative metal net 10, insulation board 11
With shell 12, described insulation board 11 is arranged among shell, and charged region is separated into two parts, is evenly arranged with every part
Wire netting, the wire netting being separated be connected with positive electrode for cathode metal net 9, make its band high pressure positive electricity；With negative electrode
Be connected for negative metal net 10, make its band high pressure negative electricity.The purpose for the arrangement is that in order that the gas containing particle passes through
Charged region, particle therein is set to take positive and negative charge respectively.
As shown in Figure 6 and Figure 7：It is provided with the housing of described knockouts 4 and is made up of impeller blade 37 and impeller axle 38
Impeller, be provided with the first air valve 5 between described knockouts 4 and electrostatic whirlwind particle trap assembly 6.In knockouts 4
The internal particle with xenogenesis electric charge can be sufficiently mixed and condense, so that the particle diameter of particle becomes big.In order to below
The collection and processing of particle.
As shown in Figure 4：Described electrostatic whirlwind particle trap assembly 6 includes electrostatic whirlwind particle trap assembly air inlet
Mouthfuls 13, outer barrel 14, inner cylinder 15, particle collector 16, electrostatic whirlwind particle trap assembly gas outlet 17, arista electrode 18 and in
Stem 19, described electric Cyclone Particle catcher assembly air inlet are connected with the gas outlet of knockouts 4, and described inner cylinder 15 is set
One end is connected with electrostatic whirlwind particle trap assembly gas outlet 17 in outer barrel 14, and center is provided with described outer barrel 14
Post 19, the surface of described newel 19 are evenly arranged with arista electrode 18, and the described bottom of outer barrel 14 is provided with powder collection
Device 16.Air-flow is tangentially flowed into by the electrostatic whirlwind particle trap assembly air inlet 13 of top, and newel 19 connects high voltage power supply, outside
Cylinder 14 is grounded.Gas is discharged by lower electrostatic Cyclone Particle catcher assembly gas outlet 17.
As shown in Figure 5：Described electromagnetic particle catcher assembly 7 divides for Pregionp 24, field regions 32, negative charge region 31
With heating zone 26, including electromagnetic particle catcher assembly air inlet 20, the second air valve 21, Pregionp shell 22, positive charge
Region electrode 23, heating zone shell 25, negative charge region electrode 27, valve, electromagnetic particle catcher assembly gas outlet 29, heating wire
30th, upper and lower collecting board 33, by-passing valve 34, uniform magnetic field 35 and by-pass 36, described electromagnetic particle catcher assembly air inlet
20 are connected with electrostatic whirlwind particle trap assembly gas outlet 17, and described electromagnetic particle catcher assembly air inlet 20 is set
There are a by-pass 36 and auxiliary air entrance, described auxiliary air, which enters, intraoral is provided with the second air valve 21, described by-pass
36 other ends are connected with electromagnetic particle catcher assembly gas outlet 29, described electromagnetic particle catcher assembly air inlet 20 with
Pregionp shell 22 is connected, and described Pregionp electrode 23 is evenly distributed in Pregionp shell 22, Pregionp
Electrode 23 is connected to 10-105kv high pressure positive electricity, and uniform magnetic field 35 and negative charge region are provided between described collecting board up and down 33
Electrode 27, field regions 32 be specially uniform magnetic field 35 caused by some coils form, the vertical paper of top half magnetic direction to
Outside, the vertical paper in the latter half is inwards.Negative charge region of the negative charge region equipped with several high pressure negative electricity for being connected to 10-105kv is electric
Pole 27；It is heating zone 26 outside described collecting board up and down 33, is provided with heating wire 30, it is therefore an objective to which reception comes from electronic control unit
39 signal, heated to negative charge region and field regions 32, the heating of particle is carried out to the particle of absorption, absorption is existed
The particle burning in negative electrical charge region and the domain of field regions 32 falls, and prevents back pressure from becoming too much；Described electromagnetic particle catcher assembly
Gas outlet 29 is provided with valve, and by-passing valve 34 is provided with described by-pass 36, and by-passing valve 34 is to close when flat, it is therefore an objective to
When the particle to absorption carries out particle burning processing, valve is closed, by-passing valve 34 is opened, makes after primary particle is handled
Gas flows away from by-pass 36 by by-passing valve 34, in order to be fired to the particle of negative charge region 31 and the absorption of field regions 32
Burn；It is the second air valve when heating wire 30 is begun to warm up that the purpose of second air valve 21 is housed in described auxiliary air entrance
It is usually to close, the second air valve, which is opened, supplies a certain amount of auxiliary air.
Described impeller, by-passing valve 34, valve, the signal input part and electronics of the first air valve 5 and the second air valve 21
The signal output part of control unit 39 is connected.Electronic control unit 39 is by judging that the information that mass air flow sensor 2 inputs controls
The aperture of first air valve 5, so as to control the flow velocity of gas.
Described charged region assembly shell, knockouts shell, impeller blade 37 and Pregionp shell uses insulating materials
It is made.Those skilled in the art can be selected according to prior art.
The course of work：Gas enters the haze powder collection processing unit by device air inlet 1, in charged region assembly 3,
Gas containing particle respectively flows through the cathode metal net 9 with high pressure positive electricity and the negative metal net 10 with high pressure negative electricity, from
And the particle in gas is set to become positively charged respectively lotus and negative electrical charge.Insulation board is used between cathode metal net 9 and negative metal net 10
Separate.The gas for being respectively provided with positive charge and negative electrical charge is flowed into knockouts 4, and the blade of gas impact impeller makes wheel rotation,
The particle with different electric charges is sufficiently mixed and is condensed, so that the particle diameter of the particle in gas becomes big, realize particle
Growth, in order to the collection and processing of follow-up particle.The gas slipstream for becoming big particle containing particle diameter enters electrostatic whirlwind
Grain catcher assembly 6, motion schematic diagram of the gas in electrostatic whirlwind particle trap is total is as shown in figure 4, particle in gas
It has been thrown in the presence of centrifugal force and electrostatic field force on the inwall of outer barrel 14, and has been slipped to particle under gravity
In collector 16.In addition, this electrostatic whirlwind particle capture assembly still has the advantages of traditional cyclone dust collectors, have automatic clear
Grey function, and reentrainment of dust will not be produced.The gas finally caught by primary particle is total by electrostatic whirlwind particulate trap
Flowed out into gas outlet, flow into electromagnetic particle catcher assembly 7.The particle not being efficiently removed in gas is by Pregionp electrode
23 and positively charged, then the particle with positive charge enter uniform magnetic field 35, under the collective effect of Loulun magnetism and Coulomb force
Deflect, be inclined to collecting board up and down respectively.Then the still remaining particle with positive charge to get off enters negative charge region 31,
Absorption finally meets that the gas of emission request discharges the mist by electromagnetic particle catcher assembly gas outlet 29 in negative charge region 31
Haze particle collection and treatment device.Described is the state of the art to the select and set of electrode and magnet coil, this area
Those of skill in the art can carry out select and set according to prior art.
In the present invention, electrostatic precipitator is combined with cyclone dust collectors, lacking when overcoming their independent roles
Fall into, and its structure is optimized, one of outstanding feature of the invention is first to be polymerize small particle, makes particle
Particle diameter becomes big, is so advantageous to cyclone electrostatic particle trap assembly and particle is caught and collected, substantially increase particle
Collection efficiency.In addition in the case where gas velocity is very low, electronic control unit 39 is divided the information of mass air flow sensor 2
Analysis, the aperture of the first air valve 5 is then controlled, so that the flow velocity increase of gas, makes centrifugal force suffered by particle become big, be advantageous to
The separation of particle, so as to improve the capturing efficiency of electrostatic whirlwind particle trap, and when gas flow rate is very fast, Electronic Control list
Member 39 controls the aperture of the first air valve 5, changes the flow velocity of gas and changes in electromagnetic particle catcher assembly 7 in field regions 32
The magnetic field intensity of uniform magnetic field 35, particle is become big in Loulun magnetism suffered by field regions 32, strengthen the particle capture of field regions 32
Ability, the reduction of electrostatic capturing efficiency is caused because gas flow rate increases so as to make up, so that whole haze powder collection
The particle capture ability of processing unit is lifted.In electromagnetic particle catches assembly, the particle of absorption is primarily present in magnetic field
Area 32 and negative charge region, such time have grown the increase that will necessarily cause back pressure.Therefore, through overtesting, one is set reasonably
Time, then the time set is stored in electronic control unit 39, after the time of setting is reached, electronic control unit
39 send instruction, close valve 28, and open by-passing valve 34, make the gas out from electrostatic whirlwind particle trap assembly 6
Flowed away through by-passing valve 34.Other electronic control unit 39 controls the second air valve 21 to make its opening, supplies a certain amount of secondary sky
Gas, electronic control unit 39 control heating wire 30 to heat negative charge region 31 and field regions 32, for making it adsorb above
Grain can sufficiently be burnt, and set certain burning time and be stored in electronic control unit 39, when burning completely after, electricity
The control valve 28 of sub-control unit 39 makes its opening, discharges the gas after burning, and closes the air valve of by-passing valve 34 and second
21.Because the time of this section of burning is very short, and gas has already passed through the place of electrostatic whirlwind particle trap assembly 6
Reason, therefore the content of particle is seldom in fact in the gas discharged in the combustion process of this section of particle, and significantly reduce
Exhaust back pressure.
Embodiment 2：
Can also be by the device air inlet of the device and the waste gas exhaust outlet phase of other equipment for producing waste gas such as diesel engine
Connection, can be greatly decreased particulate matter in waste gas, soot content and PM2.5 discharge, and will not cause reentrainment of dust
Pollution.
General principle, principal character and the advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the simply explanation described in above-described embodiment and specification is originally
The principle of invention, various changes and modifications of the present invention are possible without departing from the spirit and scope of the present invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent defines.
Claims (5)
1. a kind of haze powder collection processing unit, it is characterized in that：Including device air inlet, charged region assembly, knockouts, electrostatic
Cyclone Particle catcher assembly, electromagnetic particle catcher assembly, device gas outlet, electronic control unit, mass air flow sensor and
One air valve；Described device air inlet is connected with charged region assembly, and described charged region assembly is caught with electrostatic Cyclone Particle
Catch and be provided with knockouts between device assembly, described electrostatic whirlwind particle trap assembly is connected with electromagnetic particle catcher assembly
Connect, one end of described electromagnetic particle catcher assembly is provided with device gas outlet, and described mass air flow sensor is arranged on device
Air inlet, the signal of described mass air flow sensor go out end and are connected with the signal input part of electronic control unit；Described cohesion
The impeller being made up of impeller blade and impeller axle, described knockouts and electrostatic whirlwind particle trap are provided with the housing of device
The first air valve is provided between assembly, the signal of the first described air valve goes out end and the signal of electronic control unit enters to hold phase
Connection；Described electromagnetic particle catcher assembly is divided into Pregionp, field regions, negative charge region and heating zone, including electromagnetism
Grain catcher assembly air inlet, the second air valve, Pregionp shell, Pregionp electrode, heating zone shell, negative charge region electricity
Pole, valve, electromagnetic particle catcher assembly gas outlet, heating wire, upper and lower collecting board, by-passing valve, uniform magnetic field and by-pass, institute
The electromagnetic particle catcher assembly air inlet stated is connected with electrostatic whirlwind particle trap assembly gas outlet, described electromagnetism
Grain catcher assembly air inlet is provided with by-pass and auxiliary air entrance, and described auxiliary air enters that intraoral to be provided with second empty
Air valve, the described by-pass other end are connected with electromagnetic particle catcher assembly gas outlet, described electromagnetic particle catcher
Assembly air inlet is connected with Pregionp shell, and described Pregionp electrode is evenly distributed in the shell of Pregionp, institute
Uniform magnetic field and negative charge region electrode are provided between the collecting board up and down stated, is heating zone outside described collecting board up and down, it is interior
Heating wire is provided with, valve is provided with described electromagnetic particle catcher assembly gas outlet, is provided with described by-pass
By-passing valve.
2. haze powder collection processing unit according to claim 1, it is characterized in that：Described charged region assembly is included just
Pole wire netting, negative metal net, insulation board and shell, described insulation board are arranged among shell, and charged region is separated into two
Part, per being evenly arranged with wire netting in part, the wire netting being separated be connected with positive electrode for cathode metal net and
Negative electrode be connected for negative metal net.
3. haze powder collection processing unit according to claim 1, it is characterized in that：Described electrostatic whirlwind particle capture
Device assembly includes electrostatic whirlwind particle trap assembly air inlet, outer barrel, inner cylinder, particle collector, electrostatic whirlwind particle capture
Device assembly gas outlet, arista electrode and newel, described electrostatic whirlwind particle trap assembly air inlet and knockouts outlet
Mouth is connected, and described inner cylinder is arranged on one end in outer barrel and is connected with electrostatic whirlwind particle trap assembly gas outlet, described
Outer barrel in be provided with newel, the surface of described newel is evenly arranged with arista electrode, and described outer barrel bottom is set
There is particle collector.
4. haze powder collection processing unit according to claim 1, it is characterized in that：Described impeller, by-passing valve, valve
Door, the first air valve and the signal input part of the second air valve are connected with the signal output part of electronic control unit.
5. haze powder collection processing unit according to claim 1, it is characterized in that：Described charged region assembly shell,
Knockouts shell, impeller blade and Pregionp shell are adopted and are made from an insulative material.
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| CN201510291216.2A CN104963746B (en) | 2015-06-01 | 2015-06-01 | A kind of haze powder collection processing unit |
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| CN201510291216.2A CN104963746B (en) | 2015-06-01 | 2015-06-01 | A kind of haze powder collection processing unit |
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| CN105240090B (en) * | 2015-10-28 | 2018-04-24 | 重庆工商大学 | A kind of technical method for being used to remove Vehicle Exhaust Particulate |
| CN106769739B (en) * | 2017-01-19 | 2024-01-23 | 兰州大学 | System for determining percentage of haze charged particles |
| CN108654838A (en) * | 2018-04-02 | 2018-10-16 | 中山市雅乐思商住电器有限公司 | Flue gas purification system and method thereof |
| CN116297066B (en) * | 2023-03-22 | 2024-04-05 | 新疆新伊碳能环保科技股份有限公司 | Boiler flue gas detection device with flue gas filtering capability |
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