CN105435554A - Air purification apparatus - Google Patents
Air purification apparatus Download PDFInfo
- Publication number
- CN105435554A CN105435554A CN201510968018.5A CN201510968018A CN105435554A CN 105435554 A CN105435554 A CN 105435554A CN 201510968018 A CN201510968018 A CN 201510968018A CN 105435554 A CN105435554 A CN 105435554A
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- Prior art keywords
- air
- screen pack
- generator
- purification
- temperature plasma
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
- B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
- B01D46/2411—Filter cartridges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
- B01D46/62—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series
- B01D46/64—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series arranged concentrically or coaxially
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/32—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by electrical effects other than those provided for in group B01D61/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/102—Carbon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/10—Single element gases other than halogens
- B01D2257/106—Ozone
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/06—Polluted air
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/80—Employing electric, magnetic, electromagnetic or wave energy, or particle radiation
- B01D2259/818—Employing electrical discharges or the generation of a plasma
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2267/00—Multiple filter elements specially adapted for separating dispersed particles from gases or vapours
- B01D2267/40—Different types of filters
Abstract
The invention discloses an air purification apparatus. The air purification apparatus comprises a pretreatment device, a low-temperature plasma generation assembly and a tail-gas processor which are successively arranged from bottom to top and form a cylindrical structure; the pretreatment device is used to purify suspension particles, floating dust and PM 2.5 and enables air to pass; and the low-temperature plasma generation assembly employs a hexagonal tubular generator for dielectric-barrier discharge purification, so that space is saved, air inflow is increased and air purification efficiency is improved; and the tail-gas processor is used to perform tail-gas processing on air purified by the hexagonal tubular generator, remove a by-product ozone generated when dielectric-barrier discharge purification is performed, and further improve air purification efficiency. The low-temperature plasma generation assembly does not need replacing, only a pretreatment membrane and a tail-gas processing membrane need replacing for long-term usage, later maintenance cost is substantially saved, and the air purification apparatus is especially suitable for indoor air purification. The air purification apparatus helps to improve purification efficiency and also save cost and space for users.
Description
Technical field
The present invention relates to technical field of air purification, concrete, relate to a kind of indoor air-purification device adopting lower temperature plasma technology.
Background technology
Along with growth in the living standard, the pursuit of people to the more adventure in daily life of high-quality appears gradually.But the at present air purifier structure of the main flow purification that mostly adopts simple absorption principle to carry out air, timing replacing filter is needed to ensure the detergent power of clarifier, this kind of clarifier structure is simple, remove and be limited in scope, and in use need money and manpower to safeguard, fail to carry out comprehensively and effective cleaning harmful components multiple in air.Same, existing air eliminator of low-temperature plasma did not comprise chemical reaction removed principle, so removal efficiency and scope do not have important breakthrough yet because removing principle in the past.Admittedly people are to the demand of purification of air under existing clarifier can not meet new environment gradually.
Summary of the invention
The invention provides a kind of air cleaning unit, being intended to the problem solving the deficiency of clarifier in purification scope and purification efficiency that existing clarifier causes because adopting the principles such as single filtration simple.
For achieving the above object, a kind of air cleaning unit provided by the invention, is characterized in that, it comprises preprocessor, low temperature plasma generating assembly, and exhaust gas treating device, and they are arranged successively from bottom to top and form cylindrical structural;
Preprocessor is used for purifying suspended particulate, floating dust and PM2.5, and air is passed through; Low temperature plasma generating assembly adopts hexagonal tube type generator to carry out dielectric barrier discharge purification, to save space, increases air inflow, improves air purification efficiency; Exhaust gas treating device is used for carrying out vent gas treatment to the air after the purification of hexagon tube type generator, removes accessory substance ozone during dielectric barrier discharge purification, to improve air purification efficiency further.
As the improvement of technique scheme, described preprocessor comprises air inlet, activated charcoal strainer and the HEPA screen pack arranged successively from outside to inside; Wherein, air inlet is the design of base circle air intake, and described activated charcoal strainer is preliminary filter, is looped around air inlet inboard, by suspended particulate, floating dust and PM2.5 in the preliminary absorbed air of active carbon; Described HEPA screen pack parallel ring around in activated charcoal strainer, to realize the object of filtering the gas that air inlet enters.
As the further improvement of technique scheme, described low temperature plasma generating assembly comprises air channel, hexagon tube type generator; Air channel is low wide and up narrow formula structure, is further processed to ensure to enter in hexagon tube type generator completely, stably through the air of preprocessor preliminary purification; Hexagon tube type generator is hexagonal tube array, and be take quartz glass as the generator of medium, air to be clean flows through dielectric barrier discharge form from intermediate space and is purified.
As the further improvement of technique scheme, described exhaust gas treating device comprises air channel, ozone screen pack and blower fan; Wherein, air channel is lower narrow wide formula structure, to ensure the air after generator purifies further completely by ozone screen pack; Described air channel is close proximity to hexagon tube type generator top; Described ozone screen pack level is placed in top, air channel, and make Purge gas directly, comprehensively contact ozone screen pack and enter described blower fan, described horizontal fan is placed in ozone screen pack top, to realize down the air intake pattern of taking out.
A kind of air cleaning unit structure provided by the present invention, it is by involved multi step strategy scheme, in to the process of indoor air purification, reach wide scope and high efficiency requirement, described air cleaning unit have employed the power supply of customization voltage, and power supply significant cost is reduced.Meanwhile, adopt lower temperature plasma technology, the security of product is promoted, DBD (dielectric barrier discharge) discharge type reduces the condition that low temperature plasma generates, and improves the purification efficiency of low temperature plasma to air.Simultaneously, the core low temperature plasma generating assembly of described air cleaning unit does not need to change, Long-Time Service only need be changed pretreatment film (i.e. activated charcoal strainer and HEPA screen pack) and vent gas treatment film (i.e. ozone screen pack), significantly can save later maintenance cost.Adopt the air cleaning unit of this organization plan, be particularly useful for the indoor demand to purification of air.The air cleaning unit of this structure, not only increases purification efficiency, also for user saves use cost.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of air cleaning unit provided by the invention;
Fig. 2 is the structural representation of preprocessor;
Fig. 3 is the structural representation of generator;
Fig. 4 is the structural representation of hexagon tubular type structure generator;
Fig. 5 is the structural representation of exhaust gas treating device.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.According to the following describes and claims, advantages and features of the invention will be clearer.It should be noted that, accompanying drawing all adopts the form that simplifies very much and all uses non-ratio accurately, only in order to object that is convenient, the clearly aid illustration embodiment of the present invention.
In order to expand purification scope and the function of air cleaning unit, as shown in Figure 1, the air cleaning unit that example of the present invention provides comprises preprocessor 10, low temperature plasma generating assembly 20, and exhaust gas treating device 30, they are arranged successively from bottom to top and form cylindrical structural, wherein, preprocessor 10 can pass through for air, but has good clean-up effect to suspended particulate, floating dust and PM2.5 etc.
The mode of taking out on below entering makes room air from bottom to top, successively by above-mentioned three parts, finally reaches the effect of purification of air.
Be described in detail as follows about the concrete structure of each part of air cleaning unit of the present invention and function citing:
As shown in Figure 2, preprocessor 10, in the bottom of air cleaning unit of the present invention, comprises air inlet 11, activated charcoal strainer 12 and the HEPA screen pack 13 arranged successively from outside to inside.Wherein, air inlet 11 is the design of base circle air intake, concrete air intake position refers to the whole annular region of clarifier outer casing bottom, and to realize the air intake in maximum area, the design of lower air intake also ensures can reach maximum purification containing the comparatively heavy air of assorted harmful substances.Described activated charcoal strainer 12 is preliminary filter, is looped around air inlet inboard, by suspended particulate, floating dust and PM2.5 in the preliminary absorbed air of active carbon.Described HEPA screen pack 13 parallel ring around in activated charcoal strainer 12, to realize the object of filtering all gas that air inlet enters.Reach the screen pack of HEPA standard, the effective purifying rate for 0.1-0.3 micron reaches 99.7%.
Preprocessor 10 feature is that air can pass through, but has good clean-up effect to suspended particulate, floating dust and PM2.5.
As shown in Figure 3, low temperature plasma generating assembly 20 is placed in preprocessor 10 top, comprises air channel 21, hexagon tube type generator 22.Air channel 21 is low wide and up narrow formula structure, is further processed to ensure to enter in hexagon tube type generator 22 completely, stably through the air of preprocessor preliminary purification.
As indicated at 4, hexagon tube type generator 22 comprises breather pipe 1, positive terminal 2, limit plug 3, copper rod 4, generator cavity 5 and wire netting 6.
Wherein generator cavity 5 is that multiple regular hexagon tube side-by-side be made up of quartz glass or corundum material is vertically fitted and arranged the array that forms, and concrete quantity is selected by throughput.Be placed with the copper rod 4 identical with regular hexagon tube shape in each regular hexagon pipe, each copper rod 4 is fixed by limit plug 3, and ensures sealing in pipe, each limit plug 3 has the through hole for installing described breather pipe 1.
Wire netting 6 is the fine-structure mesh that the materials such as stainless steel, copper or silver are made, and the outer surface that wire netting 6 is tightly wrapped in generator cavity 5 does grounding, ensures that electric discharge is normally carried out, plays the effect of fixing quartz glass tube simultaneously.
Operationally, wire netting 6 connects high voltage source negative pole by external high-tension bus-bar 7, the positive terminal head 2 of each copper rod 4 draw in parallel after one reinstate a high-tension bus-bar and connect high-voltage power cathode, the method of attachment of copper rod and high voltage source can gather for winding, multiply, concrete method of attachment, the present invention does not limit.Air to be clean flows through dielectric barrier discharge form from intermediate space and is purified.
Low temperature plasma generating assembly 20 utilize DBD charging method produce low temperature plasma, lower temperature plasma technology is introduced family indoorization, can the general air cleaning unit in efficient removal market be difficult to remove CH
3cHO, NO
x, SO
2deng pernicious gas.And the high voltage source high cost needed for DBD electric discharge is the one of the main reasons stopping lower temperature plasma technology family indoorization, therefore introduces modular power source and realize household voltage to the conversion of required high pressure and ensure that device security.And adopt hexagonal tube type generator 22, save space to the full extent, increase air inflow, improve air purification efficiency.
As shown in Figure 5, exhaust gas treating device 30, comprises air channel 31, ozone screen pack 32 and blower fan 33.Wherein, air channel 31 is lower narrow wide formula structure, to ensure the air after generator purifies further completely by ozone screen pack 32.Described air channel 31 is close proximity to hexagon tube type generator 22 top.Described ozone screen pack 32 level is placed in top, air channel 31, makes Purge gas directly, comprehensively contact ozone screen pack 32 and enters blower fan 33.Described blower fan 33 level is placed in ozone screen pack 32 top, to realize down the air intake pattern of taking out.The parameter choose of blower fan intake can be selected according to careat, and concrete parameter, the present invention does not limit.
The effect of exhaust gas treating device 30 carries out vent gas treatment to the air after hexagon tube type generator 22 purifies.Air can produce accessory substance ozone through DBD electric discharge purification, and is the one of the main reasons stopping lower temperature plasma technology family indoorization to removing ignoring of accessory substance ozone.Preferably, exhaust gas treating device 30 uses netted ozone to remove net, and the aperture of net should get the small value under the prerequisite not affecting gas flowing, and remove simultaneously and should adhere to a certain amount of active carbon on the net, concrete adhesion amount is depending on removing area.
In a word, air cleaning unit provided by the invention comprises preprocessor, low temperature plasma generating assembly and exhaust gas treating device, makes different air-purifying modules respectively according to the different pollutant of indoor air purification and characteristic thereof.General Household Air Purifier removing PM2.5 can be realized, also can remove the CH being difficult to remove
3cHO, NO
x, SO
2deng pernicious gas, achieve the Function Extension of air purifier and remove scope expansion.
Obviously; those skilled in the art can invent and carries out various change and modification and do not depart from the spirit and scope of the present invention; every utilize description of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (6)
1. an air cleaning unit, is characterized in that, it comprises preprocessor (10), low temperature plasma generating assembly (20), and exhaust gas treating device (30), and they are arranged successively from bottom to top and form cylindrical structural;
Preprocessor (10) for purifying suspended particulate, floating dust and PM2.5, and makes air pass through; Low temperature plasma generating assembly (20) adopts hexagonal tube type generator to carry out dielectric barrier discharge purification, to save space, increases air inflow, improves air purification efficiency; Exhaust gas treating device (30), for carrying out vent gas treatment to the air after the purification of hexagon tube type generator, removes accessory substance ozone during dielectric barrier discharge purification, to improve air purification efficiency further.
2. air cleaning unit according to claim 1, it is characterized in that, described preprocessor (10) comprises air inlet (11), activated charcoal strainer (12) and the HEPA screen pack (13) arranged successively from outside to inside; Wherein, air inlet (11) is the design of base circle air intake, and described activated charcoal strainer (12) is preliminary filter, is looped around air inlet inboard, by suspended particulate, floating dust and PM2.5 in the preliminary absorbed air of active carbon; Described HEPA screen pack (13) parallel ring around in activated charcoal strainer (12), to realize the object of filtering the gas that air inlet enters.
3. air cleaning unit according to claim 1, is characterized in that, described low temperature plasma generating assembly (20) comprises air channel (21), hexagon tube type generator (22); Air channel (21) is low wide and up narrow formula structure, is further processed to ensure to enter completely, stably in hexagon tube type generator (22) through the air of preprocessor preliminary purification; Hexagon tube type generator (22) is hexagonal tube array, and be take quartz glass as the generator of medium, air to be clean flows through dielectric barrier discharge form from intermediate space and is purified.
4. air cleaning unit according to claim 3, it is characterized in that, hexagon tube type generator (22) comprises breather pipe (1), positive terminal (2), limit plug (3), copper rod (4), generator cavity (5) and wire netting (6).
Wherein generator cavity (5) is vertically fitted for multiple regular hexagon tube side-by-side be made up of quartz glass or corundum material and is arranged the array that forms, the copper rod (4) identical with regular hexagon tube shape is placed with in each regular hexagon pipe, each copper rod (4) is fixed by limit plug (3), and ensure sealing in pipe, each limit plug (3) has the through hole for installing described breather pipe (1);
The fine-structure mesh that wire netting (6) is stainless steel, copper or ag material are made, the outer surface that wire netting (6) is tightly wrapped in generator cavity (5) does grounding, ensure that electric discharge is normally carried out, play the effect of fixing quartz glass tube simultaneously.
Operationally, wire netting (6) connects high voltage source negative pole by external high-tension bus-bar (7), and each copper rod all connects high-voltage power cathode by positive terminal head (2).
5., according to described air cleaning unit arbitrary in Claims 1-4, it is characterized in that, described exhaust gas treating device (30) comprises air channel (31), ozone screen pack (32) and blower fan (33); Wherein, air channel (31) are lower narrow wide formula structure, to ensure the air after generator purifies further completely by ozone screen pack (32); Described air channel (31) is close proximity to hexagon tube type generator (22) top; Described ozone screen pack (32) level is placed in air channel (31) top, make Purge gas directly, comprehensively contact ozone screen pack (32) and enter described blower fan (33), described blower fan (33) level is placed in ozone screen pack (32) top, to realize down the air intake pattern of taking out.
6. air cleaning unit according to claim 5, is characterized in that, only needs to change described activated charcoal strainer (12), HEPA screen pack (13) and/or ozone screen pack (32), can improve purification efficiency.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510968018.5A CN105435554B (en) | 2015-12-21 | 2015-12-21 | A kind of air cleaning unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510968018.5A CN105435554B (en) | 2015-12-21 | 2015-12-21 | A kind of air cleaning unit |
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| Publication Number | Publication Date |
|---|---|
| CN105435554A true CN105435554A (en) | 2016-03-30 |
| CN105435554B CN105435554B (en) | 2018-06-12 |
Family
ID=55546454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510968018.5A Active CN105435554B (en) | 2015-12-21 | 2015-12-21 | A kind of air cleaning unit |
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| Country | Link |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108151194A (en) * | 2017-12-19 | 2018-06-12 | 成都恒力达科技有限公司 | A kind of indoor air-purification device |
| CN108302660A (en) * | 2018-01-09 | 2018-07-20 | 老肯医疗科技股份有限公司 | A kind of plasma air purifier with air humidity regulatory function |
| CN108325380A (en) * | 2018-02-05 | 2018-07-27 | 西安交通大学 | A kind of gas cleaning plant of low-temperature plasma synergistic adsoption catalysis |
| CN108800344A (en) * | 2018-05-23 | 2018-11-13 | 北京清源中科环保科技有限公司 | A kind of plasma air purifier |
| CN108834299A (en) * | 2018-05-23 | 2018-11-16 | 北京清源中科环保科技有限公司 | A kind of plasma fence |
| CN109373560A (en) * | 2018-10-21 | 2019-02-22 | 郑州宝莲科技有限公司 | A kind of multiple duct air purifier shell |
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| CN2568999Y (en) * | 2002-09-03 | 2003-08-27 | 西安交通大学 | Indoor plasma air purifier |
| KR20110046420A (en) * | 2011-04-07 | 2011-05-04 | 한국기계연구원 | Air purifier using carbon fiber woven fabrics |
| CN202044853U (en) * | 2011-04-06 | 2011-11-23 | 江苏友奥电器有限公司 | Air cleaner |
| CN204073807U (en) * | 2014-07-29 | 2015-01-07 | 安徽省洲宇环保设备有限公司 | There is the emission-control equipment of reduced velocity flow function |
| CN104437020A (en) * | 2014-11-13 | 2015-03-25 | 浙江大学 | Indoor air purifier based on dielectric barrier discharge and PI nanofilm filtration |
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| CN2568999Y (en) * | 2002-09-03 | 2003-08-27 | 西安交通大学 | Indoor plasma air purifier |
| CN202044853U (en) * | 2011-04-06 | 2011-11-23 | 江苏友奥电器有限公司 | Air cleaner |
| KR20110046420A (en) * | 2011-04-07 | 2011-05-04 | 한국기계연구원 | Air purifier using carbon fiber woven fabrics |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108151194A (en) * | 2017-12-19 | 2018-06-12 | 成都恒力达科技有限公司 | A kind of indoor air-purification device |
| CN108302660A (en) * | 2018-01-09 | 2018-07-20 | 老肯医疗科技股份有限公司 | A kind of plasma air purifier with air humidity regulatory function |
| CN108325380A (en) * | 2018-02-05 | 2018-07-27 | 西安交通大学 | A kind of gas cleaning plant of low-temperature plasma synergistic adsoption catalysis |
| CN108800344A (en) * | 2018-05-23 | 2018-11-13 | 北京清源中科环保科技有限公司 | A kind of plasma air purifier |
| CN108834299A (en) * | 2018-05-23 | 2018-11-16 | 北京清源中科环保科技有限公司 | A kind of plasma fence |
| CN109373560A (en) * | 2018-10-21 | 2019-02-22 | 郑州宝莲科技有限公司 | A kind of multiple duct air purifier shell |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105435554B (en) | 2018-06-12 |
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