CN202666618U - Compound air purifying device - Google Patents
Compound air purifying device Download PDFInfo
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- CN202666618U CN202666618U CN 201220112056 CN201220112056U CN202666618U CN 202666618 U CN202666618 U CN 202666618U CN 201220112056 CN201220112056 CN 201220112056 CN 201220112056 U CN201220112056 U CN 201220112056U CN 202666618 U CN202666618 U CN 202666618U
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- temperature plasma
- nano titanium
- titanium oxide
- purification device
- air
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Abstract
The utility model relates to a compound air purifying device, and belongs to the technical field of air purification. The compound air purifying device is divided into three-level filtration. The first level filtration is a primary-effect filter (1), the second level filtration is collaborated effect filtration of low-temperature plasma, nanometer titanium dioxide and double-waveband ultraviolet catalytic agents, and the third level filtration is an efficient filter (4). The second level filtration comprises a low-temperature plasma body structure, a polymerization macromolecule composite membrane and titanium dioxide catalyst coated membrane (15), and a double-waveband ultraviolet lamp (3). The low-temperature plasma body structure and the structure of the polymerization macromolecule composite membrane and titanium dioxide catalyst coated membrane (15) are the strong-oxidability nanometer titanium dioxide catalyst coated membrane (15) clamped between needle plate type electrodes, the two electrodes are connected with a high voltage power supply with the voltage between 3 kilovolts to 5 kilovolts and the ground. The low-temperature plasma body structure and a polymerization macromolecule composite membrane and nanometer titanium dioxide catalyst coated membrane (2) are installed on the walls of an air flue through a fixing installation frame (14), the double-waveband ultraviolet lamp (3) is arranged in the middle of the air flue, and a ballast (7) and a transformer (6) of the double-waveband ultraviolet lamp (3) are arranged at the outer wall of the compound air purifying device. The compound air purifying device mainly aims at the treatment of welding fume of a welding plant. The filtering efficiency of the compound air purifying device is obviously improved through the three-level filtration, and air is enabled to be used circularly.
Description
Technical field
The utility model belongs to the air purifying process field, relates in particular to welding factory building air purifying process, is a kind of compound air purification device.
Background technology
Volatile organic contaminant (VOCs) and inorganic pollution such as the SO of a large amount of dischargings in the welding factory building
2, NOx, weld fumes etc., threatening the environment that the mankind itself is healthy and depend on for existence.There are the shortcomings such as investment is large, the cycle is long, operating cost is high in traditional air purifying process such as heating power/Production by Catalytic Combustion Process, biofiltration process, film isolation and selection reduction technique etc.Need to seek compound air purification method and the approach of novelty for this reason.
The Ultraviolet Oxidation method: technique is simple, can decompose VOCs, and handling process is short, and efficient is high, and energy consumption is low, and is applied widely; Shortcoming is that the ultraviolet light emission tube efficiency is low and the time of staying is long, and ultraviolet light has damage human body.
Nano-photo catalytic method: utilize catalyst that the nuisance oxidation Decomposition is become innocuous substance, can prolong the service life of clarifier; Energy consumption is low, simple to operate, non-secondary pollution.Shortcoming is that the efficient of degraded is lower, the secondary product post-processed more complicated that some situation generates; Activity reduces in time, need carry out subsequent treatment; The ultraviolet source that uses has the biological damage effect.
Nano titanium oxide: nano titanium oxide can produce a large amount of hydroxyl radical free radicals under the catalysis of plasma discharge, under the effect synergy such as hydroxyl radical free radical, plasma, ultra-violet radiation, highfield, airborne harmful organic substance (such as formaldehyde, toluene etc.) and the killing pathogenic bacteria of degrading virus.
The plasma purification method: can utilize high frequency, high-tension current to produce fragment ion, decomposable harmful substances under normal temperature, normal pressure improves purification efficiency; Shortcoming is easily to produce secondary pollution, to the post-processed complex and expensive of secondary pollution; The efficient that energy utilizes is lower.
Owing to various technology limitation especially separately, reach the purpose of efficient removal pollutant, also there is not at present the most effective method.
Summary of the invention
The purpose of this utility model is to provide a kind of collection low-temperature plasma, nano titanium oxide and the synergistic purification techniques of Two stage ultraviolet catalytic, has gathered advantage separately, has remedied each person's deficiency, is a kind of brand-new High Technology on Environmental Protection.This device can be realized the purpose of killing of the high efficiency filter to particle dust and various suspensions, the efficient removal of polluting toxic gas and bacterium, virus simultaneously, improves indoor air quality, betters people's living environment.
In order to achieve the above object, the utility model technical solution is: a kind of air combined purifier that integrates low-temperature plasma, nano titanium oxide and the synergistic purification techniques of Two stage ultraviolet catalytic and multistage filtering is provided.It comprises roughing efficiency air filter (1), needle plate type low-temperature plasma generator (2), Two stage ultraviolet lamp (3), high efficiency particulate air filter (4), blower fan (5), transformer (6), ballast (7), base (8).This device is air channel structure, the air outlet place establishes bleed blower fan (5), and the air cleaning device is set in the air channel, and air combined purifier is divided into three-stage filtration, the first order is roughing efficiency air filter (1), and roughing efficiency air filter (1) is that 6 column type roughing efficiency air filters combine; The second level is that low-temperature plasma, nano titanium oxide and Two stage ultraviolet catalytic synergy are filtered (2 and 3); The third level is high efficiency particulate air filter (4).The second level is filtered and is respectively low-temperature plasma body structure, polymerization macromolecule composite membrane and nano titanium oxide catalytic membrane (15), Two stage ultraviolet lamp (3).Wherein, the structure of low temperature plasma electrode structure, polymerization macromolecule composite membrane and nano titanium oxide catalytic membrane (15) is the needle plate type structure, it is the nano titanium oxide catalytic membrane (15) with strong oxidizing property between the needle plate type electrode, nano titanium oxide catalytic membrane (15) is for loading on the nano titanium dioxide film on the active carbon net, and nano titanium oxide catalytic membrane thickness is 2-5mm.Pin type electrode (10) discharge end is processed into tip-like, adopts metallic nickel to make.Negative plate in the low-temperature plasma structure is the poroid electrode that transparent unorganic glass is made.Low temperature plasma electrode structure, polymerization macromolecule composite membrane and nano titanium oxide catalytic membrane structural slab, the parallel placement of two block structure plates, and with the angle of horizontal duct axis be 45 °.Two battery lead plates connect high voltage source and the ground of 3kV-5kV, and low temperature plasma electrode structure, polymerization macromolecule composite membrane and nano titanium oxide catalytic membrane (2) are installed on the wall of air channel by fixed frame (14); Two stage ultraviolet lamp (3) is installed in the middle of the air channel for long wave UVA adds shortwave UVC; Ballast (7) and transformer (6) are placed on the outer wall of device.The electrode of needle plate structure, wherein positive plate is the parallel pin that is evenly arranged at insulated wire (12), needle point points to negative plate, one deck polymerization macromolecule composite membrane is arranged before the negative plate, and the polymerization macromolecule composite membrane is composited by polyvinyl fluoride, aromatic series tetracarboxylic dianhydride, organosilicon, aromatics diamino polymerization film formation and mica.Connect the positive pole of high voltage source by lead-in wire (18); Positive plate utilizes the tip of pin to discharge, and adopt on the insulated wire and arrange spray point, be the energy for the Two stage ultraviolet source that takes full advantage of side of the positive electrode.Negative plate is AND DEWATERING FOR ORIFICE STRUCTURE, by the lead-in wire (17) connect high voltage source negative pole ().
Principle of the present utility model is: when polluting pernicious gas by pin type structure electrode, pin type electrode carries out cold plasma discharge, under the high energy electron collision effect of gas molecule in low temperature plasma, the little molecule of broken formation fragment, and then be attracted on the catalysis material, for photocatalytic process provides a Pre-enrichment; Simultaneously, nano titanium oxide can produce the extremely strong hydroxyl radical free radical of a large amount of oxidabilities under the discharge of plasma in low temperature effect, and it can effectively decompose airborne various harmful substance fast.Two stage ultraviolet sees through transparent unorganic glass and shines on the catalysis material, catalytic reaction occurs, so just avoided when simple use low temperature plasma purifies, producing easily the possibility of the intermediate product larger than original molecule, by photocatalysis generation electronics-hole that low temperature plasma excites gas molecule is carried out the redox purification, so that gas molecule obtains degradable destruction, simultaneously also so that in-situ regeneration has been realized in the activated adoption site of catalysis material.So just realized the in-situ regeneration of a plasma purification-catalysis material absorption and photocatalytic degradation-catalysis material avtive spot.
The beneficial effects of the utility model are: low-temperature plasma, nano titanium oxide and the synergistic purification techniques of Two stage ultraviolet catalytic are combined, utilize the suction-operated of active carbon can make pernicious gas in the catalyst surface a certain specific high concentration that concentrates, so just improved the photocatalysis oxidation reaction speed of pollutant, the while active carbon can also adsorb intermediate by-products makes it further by photochemical catalytic oxidation, can make like this pollutant oxidation Decomposition that is adsorbed on activated carbon surface, thereby make active carbon reach the purpose of activated adoption regeneration.So both improve the removal efficient of pernicious gas, prolonged again the service life of active carbon.Lower temperature plasma technology is combined with nano titanium oxide and Two stage ultraviolet catalytic coordination technique, energetic plasma is except can be with the pernicious gas oxidation Decomposition, can also further excite catalyst surface to produce hydroxy functional group, thoroughly improve the oxidative decomposition capacity of pernicious gas.
Description of drawings
Fig. 1, roughing efficiency air filter structural representation;
The structural representation of Fig. 2, needle plate type low temperature plasma electrode structure and catalyst film side;
The structural representation in Fig. 3, needle plate type low temperature plasma electrode structure and catalyst film front;
Air-flow moves towards schematic diagram in Fig. 4, needle plate type low temperature plasma electrode structure and the catalyst film;
Fig. 5, compound air purification apparatus structure schematic diagram.
Among Fig. 5,1, roughing efficiency air filter, 2, needle plate type isothermal plasma generator, 3, Two stage ultraviolet, 4, high efficiency particulate air filter, 5, the air inducing blower fan, 6, transformer, 7, ballast, 8, base.
Among Fig. 2,9, set bolt, 10, pin type electrode, 11, polymerization macromolecule composite membrane, 12, the positive plate in the low temperature plasma electrode structure, 13, insulated wire, 14, fixed frame, 15, catalyst film, 16, negative plate 17, negative wire, 18, positive wire in the low temperature plasma electrode structure.
The specific embodiment
Be depicted as the compound air purification device such as figure one, the air channel is rectangular duct, (composite purification unit 1 is roughing efficiency air filter through air inducing blower fan (5) introducing composite purification unit to pollute pernicious gas, composite purification unit 2 is low-temperature plasma, nano titanium oxide and the synergistic treatment facilities of Two stage ultraviolet catalytic, and composite purification unit 3 is high efficiency particulate air filter.）。At first, pollute pernicious gas and filter the PM10 that can remove more than the 5 μ m, most of welding dust by the first order.Then, introduce the second level through the pollution pernicious gas that once filters and filter, under the high-frequency impulse discharging condition, ground state gas obtained enough large energy before this, the airborne bacterium of ionization oxidation, virus, TVOC material; Then be subjected to again the radiation of ultraviolet light wave at photocatalyst, be activated and produce free son, electronics and hole, thereby decompose airborne carbon monoxide, nitrogen oxide, hydrocarbons, aldehydes, benzene and various harmful substance, their catalytic decomposition are reduced into the H of environment protection no-pollution
2O and CO
2Enter at last the third level and filter, this grade mainly is to remove air 0.3 μ m above particle dust, microorganism and various suspension, and the accessory substance after simultaneously front what air cleaning unit being processed carries out further purified treatment.
Claims (10)
1. compound air purification device, this device is air channel structure, the air outlet place establishes bleed blower fan (5), the air cleaning device is set in the air channel, it is characterized in that: described air combined purifier is divided into three-stage filtration, the first order is roughing efficiency air filter (1), and the second level is that low-temperature plasma, nano titanium oxide and Two stage ultraviolet catalytic synergy are filtered (2 and 3), and the third level is high efficiency particulate air filter (4); The described second level is filtered and is respectively low-temperature plasma body structure, polymerization macromolecule composite membrane and nano titanium oxide catalytic membrane (15), Two stage ultraviolet lamp (3); Wherein, the structure of low temperature plasma electrode structure, polymerization macromolecule composite membrane and nano titanium oxide catalytic membrane (15) is the nano titanium oxide catalytic membrane (15) that anchor clamps have strong oxidizing property between the needle plate type electrode, two battery lead plates connect high voltage source and the ground of 3kV-5kV, and low temperature plasma electrode structure, polymerization macromolecule composite membrane and nano titanium oxide catalytic membrane (2) are installed on the wall of air channel by fixed frame (14); Two stage ultraviolet lamp (3) is installed in the middle of the air channel, and its ballast (7) and transformer (6) are placed on the outer wall of device.
2. compound air purification device according to claim 1, it is characterized in that: described roughing efficiency air filter (1) is that 6 column type roughing efficiency air filters combine.
3. compound air purification device according to claim 1, it is characterized in that: the structure of described low temperature plasma electrode structure, polymerization macromolecule composite membrane and nano titanium oxide catalytic membrane is the needle plate type structure.
4. compound air purification device according to claim 1 is characterized in that: described nano titanium oxide catalytic membrane (15) is for loading on the nano titanium dioxide film on the active carbon net.
5. compound air purification device according to claim 1, it is characterized in that: described pin type electrode (10) discharge end is processed into tip-like.
6. compound air purification device according to claim 5 is characterized in that: described pin type electrode (10) adopts metallic nickel to make.
7. compound air purification device according to claim 1, it is characterized in that: the negative plate in the described low-temperature plasma structure is the poroid electrode that transparent unorganic glass is made.
8. compound air purification device according to claim 1, it is characterized in that: described nano titanium oxide catalytic membrane thickness is 2-5mm.
9. compound air purification device according to claim 1, it is characterized in that: described Two stage ultraviolet lamp (3) adds shortwave UVC for long wave UVA.
10. compound air purification device according to claim 1, it is characterized in that: described low temperature plasma electrode structure, polymerization macromolecule composite membrane and nano titanium oxide catalytic membrane structural slab, the parallel placement of two block structure plates, and with the angle of horizontal duct axis be 45 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220112056 CN202666618U (en) | 2012-03-23 | 2012-03-23 | Compound air purifying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220112056 CN202666618U (en) | 2012-03-23 | 2012-03-23 | Compound air purifying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202666618U true CN202666618U (en) | 2013-01-16 |
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ID=47487554
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220112056 Expired - Fee Related CN202666618U (en) | 2012-03-23 | 2012-03-23 | Compound air purifying device |
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| CN (1) | CN202666618U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104478034A (en) * | 2014-11-10 | 2015-04-01 | 大连海事大学 | Double-wave ultraviolet-photocatalysis processing method |
| CN104955258A (en) * | 2014-03-25 | 2015-09-30 | Lg电子株式会社 | Plasma electrode device and method for manufacturing the same |
| CN105042699A (en) * | 2015-08-27 | 2015-11-11 | 成都成实塑胶建材有限公司 | Air supply system for dust-free room |
| CN110793227A (en) * | 2019-04-09 | 2020-02-14 | 山东大学 | Refrigerating system for deep well mining |
-
2012
- 2012-03-23 CN CN 201220112056 patent/CN202666618U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104955258A (en) * | 2014-03-25 | 2015-09-30 | Lg电子株式会社 | Plasma electrode device and method for manufacturing the same |
| US9646806B2 (en) | 2014-03-25 | 2017-05-09 | Lg Electronics Inc. | Plasma electrode device and method for manufacturing the same |
| CN104955258B (en) * | 2014-03-25 | 2017-07-21 | Lg电子株式会社 | Plasma electrode device and its manufacture method |
| CN104478034A (en) * | 2014-11-10 | 2015-04-01 | 大连海事大学 | Double-wave ultraviolet-photocatalysis processing method |
| CN105042699A (en) * | 2015-08-27 | 2015-11-11 | 成都成实塑胶建材有限公司 | Air supply system for dust-free room |
| CN105042699B (en) * | 2015-08-27 | 2017-07-14 | 成都成实塑胶建材有限公司 | A kind of clean room air supply system |
| CN110793227A (en) * | 2019-04-09 | 2020-02-14 | 山东大学 | Refrigerating system for deep well mining |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130116 Termination date: 20150323 |
|
| EXPY | Termination of patent right or utility model |