CN104107622A - Low-temperature plasma exhaust gas purification device - Google Patents
Low-temperature plasma exhaust gas purification device Download PDFInfo
- Publication number
- CN104107622A CN104107622A CN201410212542.5A CN201410212542A CN104107622A CN 104107622 A CN104107622 A CN 104107622A CN 201410212542 A CN201410212542 A CN 201410212542A CN 104107622 A CN104107622 A CN 104107622A
- Authority
- CN
- China
- Prior art keywords
- temperature plasma
- low
- waste gas
- purifying equipment
- gas purifying
- 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
Landscapes
- Physical Or Chemical Processes And Apparatus (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention relates to a low-temperature plasma exhaust gas purification device. The low-temperature plasma exhaust gas purification device comprises a low-temperature plasma reaction chamber, two ends of the low-temperature plasma reaction chamber are respectively provided with a gas inlet mechanism and a gas outlet mechanism, and several free radical emitters are arranged in the cavity of the low-temperature plasma reaction chamber. The low-temperature plasma exhaust gas purification device has optimal gas purification effects and improves gas purification efficiency.
Description
Technical field
The present invention relates to a kind of cleaning equipment, especially a kind of low-temperature plasma waste gas purifying equipment.
Background technology
Plasma is called as the 4th form of material, by electronics, ion, free radical and neutral particle, formed, low temperature plasma organic gas purifier is to utilize plasma with the speed of 8,000,000 times to 5,000 ten thousand times per second, repeatedly to bombard the molecule of gas with foreign flavor, various compositions in deexcitation, ionization, cracking waste gas, thereby there is the chemical reaction of the series of complexes such as oxidation, pass through again multistage purification, harmful substance is converted into clean air and is discharged into the Nature.
The deodorizing of high energy plasma is according to the difference of ionic tube mode of excitation, can be divided into two kinds of micanite pipe barrier discharge and corolla discharge technologies, no matter adopt any discharge mode, power-supply system adopts modular assembly without exception, when being to process large flow waste gas, the limitation of modular organization needs huge structure, single tube damages the necessary integral replacing of internal structure that is confined to module, and the large maintenance of volume of equipment is loaded down with trivial details.With regard to two kinds of discharge technologies, the quality of dielectric material has determined the quantity of energetic ion; The planform of dielectric material also has conclusive impact to the quantity of energetic ion, is limited to current technology and material, generally adopts mica, quartz glass as medium both at home and abroad, adopts precious metal alloys material as internal and external electrode.A large amount of experiments shows that the different planform of same material all can have impact to the quantity of energetic ion; Positive negative mode or the positive earthing mode of internal and external electrode one, also has a great impact the quantity of energetic ion; Therefore on the market existing low-temperature plasma waste gas purifying equipment to dielectric material, transmitting tube structure, the primary stage is still located in the research and development of supply unit.
And, the gas inlet of existing low-temperature plasma waste gas purifying equipment flow and flow velocity even not and air inlet cannot regulate, free radical emitter plasma power output that cannot be indoor with reaction of low temperature plasma matches, gas after low-temperature plasma waste gas purifying equipment clean is directly discharged from reaction of low temperature plasma chamber exhaust outlet, the gas content of " purify after " does not carry out making a random inspection at any time, when if waste gas activation, ionization, cracking are complete not, the phenomenon that contains waste gas in the purified gas that just easily occurs discharging.
Summary of the invention
The object of the invention is in order to solve the existing defect of low-temperature plasma waste gas purifying equipment in prior art, provide a kind of purification efficiency high, gas inlet is even and flow is adjustable, realizes the low-temperature plasma waste gas purifying equipment that after purifying, gas exhaust gas concentration detects at any time.
To achieve these goals, the technical solution used in the present invention is:
A kind of low-temperature plasma waste gas purifying equipment, comprise reaction of low temperature plasma chamber, the two ends of described reaction of low temperature plasma chamber are respectively equipped with admission gear and air-out mechanism, are provided with some free radical emitters in the cavity of described reaction of low temperature plasma chamber.
Above-mentioned a kind of low-temperature plasma waste gas purifying equipment, is provided with some deflectors in the cavity of described reaction of low temperature plasma chamber, between adjacent deflector, forms gas channel, and described free radical emitter is embedded in gas channel.
Above-mentioned a kind of low-temperature plasma waste gas purifying equipment, described free radical emitter comprises the high-tension transformer that frequency converter is connected with this frequency converter, the discharge tube being connected with high-tension transformer and the ion accelerator and the centrifugal blower that are positioned at discharge tube afterbody; The below of described accelerator and centrifugal blower is provided with gas blending bin, this gas blending bin comprises exhaust gas entrance, plasma entrance and fresh air outlet, described exhaust gas entrance is corresponding with the gas channel that described deflector forms, plasma entrance is corresponding with the port of export of described accelerator and centrifugal blower, and fresh air outlet is tightly connected with described air-out mechanism.
Above-mentioned a kind of low-temperature plasma waste gas purifying equipment, described discharge tube is single dielectric barrier discharge pipe or double-dielectric barrier discharge pipe or most advanced and sophisticated capillary discharge tube or parallel plate electrode discharge tube.
Above-mentioned a kind of low-temperature plasma waste gas purifying equipment, described admission gear comprises air inlet pipe, the mechanism of supplying gas that is positioned at the flow adjusting structure of air inlet pipe import department and is positioned at air inlet pipe.
Above-mentioned a kind of low-temperature plasma waste gas purifying equipment, described flow adjusting structure comprises two adjustment disks that relatively superpose and is located in the thread spindle on two adjustment disks, on two adjustment disks, be equipped with some through holes, two adjustment disks stagger and overlap by relatively rotating the through hole making on upper adjustment disk and lower adjustment disk.
Above-mentioned a kind of low-temperature plasma waste gas purifying equipment, described in the mechanism of supplying gas comprise and be fixed on the rotating shaft in air inlet pipe and be fixed on the propeller blade on this rotating shaft.
Above-mentioned a kind of low-temperature plasma waste gas purifying equipment, described air-out mechanism comprises the escape pipe being connected with described reaction of low temperature plasma chamber, is positioned at photocatalysis apparatus and the exhaust gas concentration detector of this escape pipe.
Beneficial effect of the present invention is: the frequency converter of free radical emitter of this low-temperature plasma waste gas purifying equipment and the combination of high-tension transformer are because fan-out capability has overcome more greatly inapplicable and the being disturbed property of conventional module power supply; Described energetic ion accelerator adopts magnetron higher-order of oscillation technology, and object is after energetic ion is away from transmitting tube, and energy, when exhaustion or half depletion, can improve the jolt capacity of energetic ion by the higher-order of oscillation of microwave field.Admission gear regulates entering flow and the flow velocity of the waste gas of reaction of low temperature plasma chamber, reaction of low temperature plasma indoor high speed plasma and emission molecule are collided all sidedly, waste gas is activated, ionization, cracking is complete, evenly, air-out mechanism detects at any time to purifying rear gas exhaust gas concentration, if exhaust gas concentration exceeds standard, illustrate that waste gas activates, ionization, cracking is complete not, just in time the power of the air inflow of admission gear or free radical emitter is regulated, reach the effect of best purification gas, improve the pure qi (oxygen) efficiency of low-temperature plasma waste gas purifying equipment.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of reaction of low temperature plasma of the present invention chamber.
Fig. 3 is the structural representation of free radical emitter of the present invention;
The schematic diagram of the flow adjusting structure of Tu4Wei admission gear of the present invention;
Fig. 5 is the low-temperature plasma Parameter Map of discharge tube of the present invention;
The specific embodiment
For making that architectural feature of the present invention and the effect reached are had and further understand and be familiar with, in order to preferred embodiment and accompanying drawing, coordinate detailed explanation, be described as follows:
As shown in Figures 1 to 5, a kind of low-temperature plasma waste gas purifying equipment, comprise reaction of low temperature plasma chamber 1, the two ends of reaction of low temperature plasma chamber 1 are respectively equipped with admission gear 2 and air-out mechanism 3, are provided with some free radical emitters 6 in the cavity of reaction of low temperature plasma chamber 1.
In the cavity of reaction of low temperature plasma chamber 1, be provided with some deflectors 4, form gas channel 5 between adjacent deflector, free radical emitter 6 is embedded in gas channel 5.
As shown in Figure 3, free radical emitter 6 comprises the high-tension transformer 8 that frequency converter 7 is connected with this frequency converter 7, the discharge tube 9 being connected with high-tension transformer 8 and the ion accelerator 10 and the centrifugal blower 11 that are positioned at discharge tube 9 afterbodys; The below of accelerator 10 and centrifugal blower 11 is provided with gas blending bin 12, this gas blending bin 12 comprises exhaust gas entrance 13, plasma entrance 14 and fresh air outlet 15, exhaust gas entrance 13 is corresponding with the gas channel 5 that deflector forms, plasma entrance 14 is corresponding with the port of export of accelerator 10 and centrifugal blower 11, and fresh air outlet 15 is tightly connected with air-out mechanism 3.
In the present invention, the demand different according to reality, discharge tube 9 is single dielectric barrier discharge pipe or double-dielectric barrier discharge pipe or most advanced and sophisticated capillary discharge tube or parallel plate electrode discharge tube.
Frequency converter 7 adopts full-bridge rectification, frequency conversion scope 50Hz-3000Hz, input voltage 220V-440V is variable, frequency converter 7 is vector converter, comprise various control function, electric leakage, overcurrent, undercurrent, owe phase, overvoltage, the protection such as overheated, frequency converter 7 changes voltage by frequency signal and offers special transformer; High-tension transformer 8, provides voltage instruction by frequency converter, and high-tension transformer 8 is oil-filled transformer, and two live wires of low-pressure end enter, and live wire of high-pressure side goes out, and voltage is controlled from 3000V-16000V, and transmitting tube inner layer metal net appears connecting in high pressure;
Admission gear 2 comprises air inlet pipe 16, the mechanism 18 of supplying gas that is positioned at the flow adjusting structure 17 of air inlet pipe 16 import departments and is positioned at air inlet pipe.
As shown in Figure 4, flow adjusting structure 17 comprises two adjustment disks that relatively superpose and is located in the thread spindle 19 on two adjustment disks, on two adjustment disks, being equipped with some through hole 20, two adjustment disks staggers and overlaps by relatively rotating the through hole 20 making on upper adjustment disk 18 and lower adjustment disk 21.
The mechanism 18 of supplying gas comprises the rotating shaft 22 being fixed in air inlet pipe 16 and is fixed on the propeller blade 23 on this rotating shaft 22.
Air-out mechanism 3 comprises the escape pipe 24 being connected with reaction of low temperature plasma chamber, is positioned at photocatalysis apparatus 25 and the exhaust gas concentration detector 26 of this escape pipe 24.
In waste gas treatment process, plasma electron clashes into mutually with gas molecule, produces chemistry nucleic, is exactly usually said radical and load carriers, in plasma chemical reaction process, in the course of reaction of plasma transmission chemical energy, the transmission of energy is roughly as follows:
(1) electric field+electronics → high energy electron
(2) high energy electron+molecule (or atom) → (excited atom, be excited group, free group) lived
Property group
(3) active group+molecule (or atom) → product+heat
(4) active group+active group → product+heat
Process one: high energy electron directly bombards
Process two: produce oxygen atom, ozone, hydroxyl radical free radical and little molecular fragment
Process three: molecular fragment oxidation
From above process, can find out, first electronics obtains energy from electric field, by exciting or ionizing, energy is transferred in molecule or atom and gone, the molecule or the atom that obtain energy are excited, there is part molecule to be ionized simultaneously, thereby become active group, between these active groups and molecule or atom, active group and active group, mutually after collision, generate stable product and heat afterwards.In addition, high energy electron also can be become anion by the stronger materials capture of the electron affinities such as halogen and oxygen, and this class anion has good chemism, in chemical reaction, plays an important role.
The frequency converter 7 of the free radical emitter of this low-temperature plasma waste gas purifying equipment and the combination of high-tension transformer 8 are because fan-out capability has overcome more greatly inapplicable and the being disturbed property of conventional module power supply; Energetic ion accelerator 10 adopts magnetron higher-order of oscillation technology, and object is after energetic ion is away from transmitting tube, and energy, when exhaustion or half depletion, can improve the jolt capacity of energetic ion by the higher-order of oscillation of microwave field.Flow and flow velocity that 2 pairs of admission gears enter the waste gas of reaction of low temperature plasma chamber 1 regulate, reaction of low temperature plasma indoor high speed plasma and emission molecule are collided all sidedly, waste gas is activated, ionization, cracking is complete, evenly, after 3 pairs of purifications of air-out mechanism, gas exhaust gas concentration detects at any time, if exhaust gas concentration exceeds standard, illustrate that waste gas activates, ionization, cracking is complete not, just in time the power of the air inflow of admission gear or free radical emitter is regulated, reach the effect of best purification gas, improve the pure qi (oxygen) efficiency of low-temperature plasma waste gas purifying equipment.
More than show and described basic principle of the present invention, principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; what in above-described embodiment and description, describe is principle of the present invention; the present invention also has various changes and modifications without departing from the spirit and scope of the present invention, and these changes and improvements all fall in claimed scope of the present invention.The protection domain that the present invention requires is defined by appending claims and equivalent thereof.
Claims (8)
1. a low-temperature plasma waste gas purifying equipment, comprise reaction of low temperature plasma chamber, it is characterized in that, the two ends of described reaction of low temperature plasma chamber are respectively equipped with admission gear and air-out mechanism, are provided with some free radical emitters in the cavity of described reaction of low temperature plasma chamber.
2. a kind of low-temperature plasma waste gas purifying equipment according to claim 1, it is characterized in that, in the cavity of described reaction of low temperature plasma chamber, be provided with some deflectors, between adjacent deflector, form gas channel, described free radical emitter is embedded in gas channel.
3. a kind of low-temperature plasma waste gas purifying equipment according to claim 2, it is characterized in that, described free radical emitter comprises the high-tension transformer that frequency converter is connected with this frequency converter, the discharge tube being connected with high-tension transformer and the ion accelerator and the centrifugal blower that are positioned at discharge tube afterbody; The below of described accelerator and centrifugal blower is provided with gas blending bin, this gas blending bin comprises exhaust gas entrance, plasma entrance and fresh air outlet, described exhaust gas entrance is corresponding with the gas channel that described deflector forms, plasma entrance is corresponding with the port of export of described accelerator and centrifugal blower, and fresh air outlet is tightly connected with described air-out mechanism.
4. a kind of low-temperature plasma waste gas purifying equipment according to claim 3, is characterized in that, described discharge tube is single dielectric barrier discharge pipe or double-dielectric barrier discharge pipe or most advanced and sophisticated capillary discharge tube or parallel plate electrode discharge tube.
5. a kind of low-temperature plasma waste gas purifying equipment according to claim 1, is characterized in that, described admission gear comprises air inlet pipe, the mechanism of supplying gas that is positioned at the flow adjusting structure of air inlet pipe import department and is positioned at air inlet pipe.
6. a kind of low-temperature plasma waste gas purifying equipment according to claim 5, it is characterized in that, described flow adjusting structure comprises two adjustment disks that relatively superpose and is located in the thread spindle on two adjustment disks, on two adjustment disks, be equipped with some through holes, two adjustment disks stagger and overlap by relatively rotating the through hole making on upper adjustment disk and lower adjustment disk.
7. a kind of low-temperature plasma waste gas purifying equipment according to claim 5, is characterized in that, described in the mechanism of supplying gas comprise and be fixed on the rotating shaft in air inlet pipe and be fixed on the propeller blade on this rotating shaft.
8. a kind of low-temperature plasma waste gas purifying equipment according to claim 1, it is characterized in that, described air-out mechanism comprises the escape pipe being connected with described reaction of low temperature plasma chamber, is positioned at photocatalysis apparatus and the exhaust gas concentration detector of this escape pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410212542.5A CN104107622A (en) | 2014-05-19 | 2014-05-19 | Low-temperature plasma exhaust gas purification device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410212542.5A CN104107622A (en) | 2014-05-19 | 2014-05-19 | Low-temperature plasma exhaust gas purification device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104107622A true CN104107622A (en) | 2014-10-22 |
Family
ID=51704729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410212542.5A Pending CN104107622A (en) | 2014-05-19 | 2014-05-19 | Low-temperature plasma exhaust gas purification device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104107622A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104492213A (en) * | 2014-12-15 | 2015-04-08 | 山东派力迪环保工程有限公司 | Tyre waste gas treating process and device thereof |
| CN105771542A (en) * | 2016-04-21 | 2016-07-20 | 江苏达克罗涂装技术有限公司 | Curing oven exhaust gas treatment device |
| CN105833697A (en) * | 2016-06-08 | 2016-08-10 | 江苏海阳锦纶新材料有限公司 | Device for treating flue gas during production of dipped nylon cord |
| CN114191949A (en) * | 2022-02-16 | 2022-03-18 | 东莞市鹏锦机械科技有限公司 | Lithium battery production waste gas treatment method and system and readable storage medium |
-
2014
- 2014-05-19 CN CN201410212542.5A patent/CN104107622A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104492213A (en) * | 2014-12-15 | 2015-04-08 | 山东派力迪环保工程有限公司 | Tyre waste gas treating process and device thereof |
| CN105771542A (en) * | 2016-04-21 | 2016-07-20 | 江苏达克罗涂装技术有限公司 | Curing oven exhaust gas treatment device |
| CN105833697A (en) * | 2016-06-08 | 2016-08-10 | 江苏海阳锦纶新材料有限公司 | Device for treating flue gas during production of dipped nylon cord |
| CN114191949A (en) * | 2022-02-16 | 2022-03-18 | 东莞市鹏锦机械科技有限公司 | Lithium battery production waste gas treatment method and system and readable storage medium |
| CN114191949B (en) * | 2022-02-16 | 2022-04-29 | 东莞市鹏锦机械科技有限公司 | Lithium battery production waste gas treatment method and system and readable storage medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201702023U (en) | Row electrode type low-temperature plasma body discharge industrial waste gas treatment device | |
| CN104107622A (en) | Low-temperature plasma exhaust gas purification device | |
| CN107042039A (en) | The device and processing method of a kind of dielectric barrier discharge low-temperature plasma concerted catalysis processing organic exhaust gas | |
| CN102341128A (en) | Steriliser with exhaust gas cleaning system for decomposing nox with ozone | |
| CN103791560A (en) | Air purifying device | |
| CN104437019B (en) | A kind of big flow equipment for treating industrial waste gas of plasma in low temperature | |
| CN101513586B (en) | Reactor for eliminating oil smoke and foreign odor thereof | |
| CN101799203B (en) | Plasma nano photocatalysed air purifying and sterilizing device for air-conditioning system | |
| CN201551954U (en) | Medium blocking discharge electrode | |
| CN205340517U (en) | High -efficient low temperature plasma equipment | |
| KR20060004734A (en) | Device for air-purifying in air conditioner | |
| CN203731562U (en) | Air cleaning unit | |
| CN103537245A (en) | Venturi ionization device for preparing hydroxyl radical | |
| CN209155498U (en) | The ultraviolet synergy ozone catalytic oxidation treatment volatile organic matter device of micro-wave nonpolar | |
| US9381267B2 (en) | Apparatus for air purification and disinfection | |
| CN205252897U (en) | UV photodissociation and low temperature plasma integration equipment | |
| CN206285631U (en) | A kind of low-temperature plasma purifying device of additional adsorption unit | |
| CN204469512U (en) | A kind of low-temperature plasma waste gas purifying equipment | |
| CN1513753A (en) | Method of producing sulfuric acid using hydroxg oxidation of sulfur dioxide | |
| CN105013301A (en) | Tubular exhaust gas treating device based on dielectric barrier discharge plasmas | |
| CN205495309U (en) | Two plasma organic waste gas processing apparatus | |
| CN105964140B (en) | A kind of efficient compound waste gas treatment equipment | |
| CN108355469A (en) | A kind of method of two-part plasmon coupling deep purifying food and drink exhaust gas | |
| CN201415126Y (en) | Ionization discharge electrode and industrial waste gas treatment device using ionization discharge electrode | |
| CN205109202U (en) | Plasma exhaust gas cleaner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20141022 |
|
| RJ01 | Rejection of invention patent application after publication |