CN106040431A - Circular-tube plasma electrostatic air purification device - Google Patents

Circular-tube plasma electrostatic air purification device Download PDF

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Publication number
CN106040431A
CN106040431A CN201610605845.2A CN201610605845A CN106040431A CN 106040431 A CN106040431 A CN 106040431A CN 201610605845 A CN201610605845 A CN 201610605845A CN 106040431 A CN106040431 A CN 106040431A
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CN
China
Prior art keywords
dust pipe
plasma electrostatic
corona
dust
pilum
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Granted
Application number
CN201610605845.2A
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Chinese (zh)
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CN106040431B (en
Inventor
谢红卫
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Puma environmental protection technology (Shanghai) Co.,Ltd.
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谢红卫
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Publication of CN106040431B publication Critical patent/CN106040431B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B03SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03CMAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/02Plant or installations having external electricity supply
    • B03C3/04Plant or installations having external electricity supply dry type
    • B03C3/06Plant or installations having external electricity supply dry type characterised by presence of stationary tube electrodes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B03SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03CMAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/34Constructional details or accessories or operation thereof
    • B03C3/40Electrode constructions
    • B03C3/41Ionising-electrodes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B03SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03CMAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/34Constructional details or accessories or operation thereof
    • B03C3/40Electrode constructions
    • B03C3/45Collecting-electrodes
    • B03C3/49Collecting-electrodes tubular
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B03SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03CMAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C2201/00Details of magnetic or electrostatic separation
    • B03C2201/10Ionising electrode has multiple serrated ends or parts

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  • Physical Or Chemical Processes And Apparatus (AREA)
  • Electrostatic Separation (AREA)

Abstract

The invention discloses a circular-tube plasma electrostatic air purification device. The circular-tube plasma electrostatic air purification device comprises a first dust collection circular tube and a circular base column, wherein the circular base column is coaxially arranged in the first dust collection circular tube; an annular space between the circular base column and the first dust collection circular tube is a first airflow channel; first corona generation poles distributed along the longitudinal direction of the circular base column are arranged at the periphery of the circular base column; a plasma electrostatic field is generated in the first airflow channel between the first dust collection circular tube and the first corona generation poles in the case that the first corona generation poles are electrified; and dust particles charged while passing through the plasma electrostatic field are adsorbed onto the inner wall of the first dust collection circular tube. The circular-tube plasma electrostatic air purification device has the following advantages: the corona generation poles are distributed on the circular base column, and the diameter of the first dust collection circular tube is increased on the premise of keeping a distance between the first corona generation poles and the inner wall of the first dust collection circular tube invariable (that is, keeping a corona onset voltage invariable), so that the area of an air flowing section of the plasma electrostatic air purification device is increased, and the air purification capacity is improved.

Description

Tubular type plasma electrostatic air cleaning device
Technical field
The present invention relates to a kind of air cleaner, particularly relate to a kind of tubular type plasma electrostatic air cleaning device.
Background technology
Tubular type electric depurant mainly applies the fume purifying of restaurant's kitchen, the pipe of traditional tubular type electric depurant at present Footpath, generally at below 35mm, because when caliber increases, discharge inception voltage increases the most accordingly, not only adds power consumption, too increases Unsafe factor, and the increase of voltage also results in the increase of ozone discharge.Such as, ips reaches more than 10 centimetres, The discharge inception voltage of this plasma electrostatic air cleaning device just reaches several ten thousand volts, and this leaves the biggest potential safety hazard, therefore, comprehensively The caliber of various factors current tubular air electric depurant is generally at below 35mm.Owing to the caliber of single tube is little, in order to increase The flow of air cleaning, would have to that multiple monomers are purified pipe and lines up use, thus increase the complexity of purifier And manufacturing cost, too increase the complexity of regular maintenance, meanwhile, also make to limit this efficient purifier at pressure piping etc. The use of occasion.
Summary of the invention
The technical problem to be solved be to provide a kind of caliber compared with big and tubular type that discharge inception voltage is relatively low etc. from Sub-electrostatic air cleaning device, works under the most even lower discharge inception voltage, improves single tube plasma electrostatic air cleaning The air circulation cross-section area of device and air-filtering ability.
The present invention solves the technical scheme that above-mentioned technical problem used: the electrostatic air cleaning dress of tubular type plasma Putting, including the first dust pipe and round pilum, described round pilum is coaxially disposed in the first described dust pipe, institute Annular space between round pilum and the first dust pipe stated is the first gas channel, and the periphery of described round pilum sets It is equipped with the first corona along round pilum genesis analysis and pole occurs, in the case of there is pole energising in the first corona, the first dust circle Pipe and the first corona produce plasma electrostatic field in there is the first gas channel between pole, the inwall absorption of the first dust pipe By the upper dust particle of electric charge of band during plasma electrostatic field, mist of oil particle and organic molecule.
The further preferred scheme of the present invention: be coaxially arranged with the second dust pipe outside the first described dust pipe, first Annular space between dust pipe and the second dust pipe is the second gas channel, and the periphery of the first described dust pipe sets It is equipped with the second corona along the first dust pipe genesis analysis and pole occurs, in the case of there is pole energising in the second corona, the second collection Dirt pipe and the second corona produce plasma electrostatic field in there is the second gas channel between pole, the second dust pipe interior Wall absorption is by the upper dust particle of electric charge of band during plasma electrostatic field, mist of oil particle and organic molecule.
The further preferred scheme of the present invention: described round pilum is made up of metal material, described high pressure is added in described Round pilum on.
The further preferred scheme of the present invention: the first corona occurs the screw-like being extremely arranged on round pilum outer surface sharp-pointed Convex tendon or the most parallel a plurality of sharp-pointed ring or annular knurl, or it is welded on the barbed metal strap on surface, described second Corona occur extremely to be arranged on the sharp-pointed convex tendon of screw-like of the first dust pipe outer surface or the most parallel a plurality of sharp-pointed ring or Annular knurl, or it is welded on the barbed metal strap on surface.Corona generation electrode accounts for outside round pilum or the first dust pipe The partial-length of the whole or close air inlet on surface.
Present invention further optimization scheme: the first corona generation electrode is that the band of round pilum outer surface welding is most advanced and sophisticated Corona wire or corona band, the second corona generation electrode is corona wire or the corona at the first dust pipe outer surface welded bands tip Band, described corona wire or corona band have the tip of projection, have gap for passing through air between described tip.Due to point End is closer to dust collecting electrode pipe internal surface, and therefore discharge inception voltage is lower, internal resistance is less, and caliber can be bigger.Corona wire or corona band Full circle type pilum or all or part of length of the first dust pipe is accounted for from air inlet.
The further preferred scheme of the present invention: round pilum is solid metal column or hollow metal post, entering of hollow metal post Wind end seal is closed, the outlet air end opening of hollow metal post, and the sidewall of hollow metal post is provided with the air vent of numerous skewness.
The further preferred scheme of the present invention: described round pilum, the first dust pipe and the second dust pipe three it Between by pottery or other Ins. ulative material support fix.
The further preferred scheme of the present invention: the second described dust pipe is outside equipped with the reinforcement of evagination.
The further preferred scheme of the present invention: the outer end of the first dust pipe and the outer end of the second dust pipe are provided with taper Support.
The further preferred scheme of the present invention: the epimere of described hollow metal post is equipped with corona wire or corona band or carries out The surface sharpening such as annular knurl process, and the constant diameter of this epimere, the hypomere of described air metal column is not sharp-pointed through surface Change processes, this hypomere flare.
Compared with prior art, it is an advantage of the invention that corona occurs pole to be distributed on round pilum, by sending out corona Raw electrode surface carries out sharpening to reduce corona voltage, the first corona occur between pole and the first dust round tube inner wall away from On the premise of keeping constant (namely keeping constant at discharge inception voltage), the bore of the first dust pipe strengthens so that plasma The air circulation cross-section area of electrostatic air cleaning device improves, and adds its air-filtering ability.The present invention can be installed on After vehicle vent gas discharging pipe or after being installed on the delivery pipe of lampblack absorber, there is the features such as easy for installation, good dedusting effect.
Accompanying drawing explanation
Fig. 1 is the structure chart (round pilum perseverance diameter) of the present invention;
Fig. 2 is the structure chart (circular pilum trumpet type) of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, the present invention is described in further detail.
Air molecule can occur ionization to form plasma electrostatic field in high voltage electric field, the oil smoke in plasma electrostatic field And various Organic aerosols and various dust particle can adsorb these ionization air molecules and charged, then by opposite polarity Battery lead plate (metal collecting plate) absorption and remove, here it is the operation principle of plasma electrostatic field dedusting.
Plasma electrostatic field is relatively wide to the adaptability of air cleaning, and not only the dust particle in air is micro-from 0.01 to tens Rice all can remove, and produces at a large amount of oil smoke during culinary art, and health odorous is not had by the aerial scent of or of volatilizing The various Organic aerosols of evil can also be removed, and this air cleaner not only simple in construction, use cost is the lowest In common filter screen method, and can be described as non-maintaining, working service is comparatively simple.If common processing mode, different The object that purifies need different purification mediums, not only structure is complicated, and needs to regularly replace medium, not only use cost Height, the most very inconvenient.
Although plasma electrostatic field air cleaning needs at a relatively high plasma generation voltage (discharge inception voltage), but due to electricity Flowing smaller, the energy consumption therefore producing plasma electrostatic field is the most little, adds the air resistance of plasma electrostatic field purifier Power is little, and the actual energy consumption when air cleaning aspect will less than other air cleaning mode.
Tubular type plasma electrostatic air cleaning device, including the first dust pipe 1 and round pilum 2, round pilum 2 is same Axle is arranged in the first dust pipe 1, and the annular space between round pilum 2 and the first dust pipe 1 is the first gas channel 3, there is pole 4 in the first corona that the periphery of round pilum 2 is provided with along round pilum genesis analysis, at the first corona, pole 4 occurs In the case of energising, the first dust pipe 1 and the first corona produce plasma electrostatic in there is the first gas channel 3 between pole 4 , the inwall absorption of the first dust pipe 1 is by band during plasma the electrostatic field upper dust particle of electric charge, mist of oil particle and has Machine molecule.A high voltage is added so that the first dust pipe and the first corona occur between first dust pipe and round pilum Plasma electrostatic field is produced between pole.The diameter of round pilum 5mm or more than.
The second dust pipe 5, the first dust pipe 1 and the second dust pipe 5 it is coaxially arranged with outside first dust pipe 1 Between annular space be the second gas channel 6, the periphery of the first dust pipe 1 is provided with along the first dust pipe 1 longitudinally point There is pole 7 in the second corona of cloth, in the case of the second corona occurs pole 7 energising, the second dust pipe 5 and the second corona occur pole Producing plasma electrostatic field in the second gas channel 6 between 7, the inwall of the second dust pipe 5 adsorbs by plasma electrostatic The upper dust particle of electric charge of band, mist of oil particle and organic molecule during field.Add between first integrated pipe and the second dust pipe One high voltage so that the second dust pipe and the second corona occur to produce between pole plasma electrostatic field.First dust pipe It is dust leg corresponding to internal layer corona discharge electrode, is again the corona discharge electrode that outer layer dust leg is corresponding.
First corona generation electrode 4 is corona wire or the corona band at the band tip of round pilum 2 outer surface welding, the second electricity The dizzy corona wire occurring electrode 7 to be the first dust pipe 1 outer surface welded bands tip or corona band, corona wire or corona band have Protruding tip, has gap for passing through air between tip.
Round pilum 2 is made up of metal material, and high pressure is added on round pilum 2.
First corona occurs pole 4 to be to be arranged on the sharp-pointed convex tendon of screw-like of round pilum 2 outer surface or the most parallel a plurality of point Sharp ring or annular knurl, the second corona occurs pole 7 to be to be arranged on the sharp-pointed convex tendon of screw-like of the first dust pipe 1 outer surface or a plurality of phase The most parallel sharp-pointed ring or annular knurl.
Round pilum 2 is solid metal column or hollow metal post, and the air intake 21 of hollow metal post is closed, hollow metal post Outlet air end 22 opening, the sidewall of hollow metal post is provided with the air vent 23 of numerous skewness, on hollow metal post more The biggest near the sectional area of the air vent 23 of outlet air end 22.The leading portion constant diameter of hollow metal post 2, after air metal column 2 Section flare.Move as in figure 2 it is shown, the back segment of hollow metal post mainly plays the charged micronic dust of electrostatic drive to dust collecting electrode , back segment is trumpet type, thus has the effect more effectively driving charged micronic dust, in order to weaken the electric arc caused because of horn mouth Problem, can carry out insulation processing to oared segrne pii hollow pipe surface.
Fixed by ceramics bracket between round pilum the 2, first dust pipe 1 and the second dust pipe 5 three.Pottery Frame has good electrical insulating property.
Second dust pipe 5 is outside equipped with reinforcement.Common reinforcement is inside, can affect discharge inception voltage, and The depth of reinforcement is required higher.Reinforcement is made outside by the present invention, due to reinforcement outwards after, reinforcement part Occur the most farther from corona, produce impact thus without on discharge inception voltage.
The outer end of the first dust pipe 1 and the outer end of the second dust pipe 5 are provided with conical support 8.
Plasma also has a feature except haze, it is simply that can also be in air due to plasma effect while except haze Virus, antibacterial plays ionization makes it lose activity, and plays the effect of sterilization and disinfection, especially permissible in epidemic diseases seasons such as spring and summers Play the effect blocking popular virus disseminating.
Above tubular type plasma electrostatic air cleaning device provided by the present invention is described in detail, herein Applying specific case to be set forth principle and the embodiment of the present invention, the explanation of above example is only intended to help Understand the present invention and core concept.It should be pointed out that, for those skilled in the art, without departing from the present invention On the premise of principle, it is also possible to the present invention is carried out some improvement and modification, these improve and modification also falls into right of the present invention In the protection domain required.

Claims (9)

1. tubular type plasma electrostatic air cleaning device, it is characterised in that include the first dust pipe and round pilum, described Round pilum be coaxially disposed in the first described dust pipe, the ring between described round pilum and the first dust pipe Shape space is the first gas channel, and the first corona that the periphery of described round pilum is provided with along round pilum genesis analysis is sent out Raw pole, in the case of the first corona occurs pole energising, the first dust pipe and the first corona occur the first air-flow between pole to lead to Plasma electrostatic field is produced, the inwall absorption of the first dust pipe dust grain by the upper electric charge of band during plasma electrostatic field in road Son, mist of oil particle and organic molecule.
Tubular type plasma electrostatic air cleaning device the most according to claim 1, it is characterised in that the first described collection Being coaxially arranged with the second dust pipe outside dirt pipe, the annular space between the first dust pipe and the second dust pipe is second Gas channel, the second corona that the periphery of the first described dust pipe is provided with along the first dust pipe genesis analysis occurs Pole, in the case of the second corona occurs pole energising, there is the second gas channel between pole in the second dust pipe and the second corona Interior generation plasma electrostatic field, the inwall absorption of the second dust pipe dust grain by the upper electric charge of band during plasma electrostatic field Son, mist of oil particle and organic molecule.
Tubular type plasma electrostatic air cleaning device the most according to claim 1, it is characterised in that described round base Post is made up of metal material, and described high pressure is added on described round pilum.
Tubular type plasma electrostatic air cleaning device the most according to claim 2, it is characterised in that the first corona occurs Extremely it is arranged on the sharp-pointed convex tendon of screw-like of round pilum outer surface or the most parallel a plurality of sharp-pointed ring or annular knurl, described Two coronas occur extremely to be arranged on the sharp-pointed convex tendon of screw-like of the first dust pipe outer surface or the most parallel a plurality of sharp-pointed ring Or annular knurl.
Tubular type plasma electrostatic air cleaning device the most according to claim 1, it is characterised in that round pilum is empty Heart metal column, the air intake closing of hollow metal post, the outlet air end opening of hollow metal post, the sidewall of hollow metal post is arranged There is the air vent of numerous skewness.
Tubular type plasma electrostatic air cleaning device the most according to claim 2, it is characterised in that described round base Fixed by ceramics bracket between post, the first dust pipe and the second dust pipe three.
Tubular type plasma electrostatic air cleaning device the most according to claim 2, it is characterised in that the second described collection Dirt pipe is outside equipped with the reinforcement of evagination.
Tubular type plasma electrostatic air cleaning device the most according to claim 6, it is characterised in that the first dust pipe Outer end and the outer end of the second dust pipe conical support is installed.
Tubular type plasma electrostatic air cleaning device the most according to claim 5, it is characterised in that described hollow gold Belong to the epimere constant diameter of post, the hypomere flare of described air metal column.
CN201610605845.2A 2016-07-27 2016-07-27 Circular-tube plasma electrostatic air purification device Active CN106040431B (en)

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Application Number Priority Date Filing Date Title
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CN106040431B CN106040431B (en) 2017-05-03

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106801952A (en) * 2017-03-30 2017-06-06 谢红卫 The indoor electrostatic air cleaning equipment of plasma and operation method
CN107477704A (en) * 2017-09-25 2017-12-15 广州市爱因电子有限公司 No material consumption inhales the antibacterial air purifier of haze
WO2018148940A1 (en) * 2017-02-17 2018-08-23 美的集团股份有限公司 Electrostatic dust removal apparatus and air treatment device
CN109395884A (en) * 2018-10-25 2019-03-01 浙江三尼科技有限公司 A kind of device applied to waste gas purification advanced treating

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0995494A2 (en) * 1998-09-25 2000-04-26 Golden Showcase Intellectual Properties Sdn Bhd An electrostatic air filtering device
JP2006088010A (en) * 2004-09-22 2006-04-06 Kobelco Eco-Solutions Co Ltd Apparatus and method for treating exhaust gas
US20090261268A1 (en) * 2008-04-21 2009-10-22 Matthew Schwiebert Ionic fluid flow accelerator
CN203791056U (en) * 2014-04-23 2014-08-27 安然 High-frequency high-pressure air purification and capturing device
CN205851108U (en) * 2016-07-27 2017-01-04 谢红卫 Tubular type plasma electrostatic air cleaning device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0995494A2 (en) * 1998-09-25 2000-04-26 Golden Showcase Intellectual Properties Sdn Bhd An electrostatic air filtering device
JP2006088010A (en) * 2004-09-22 2006-04-06 Kobelco Eco-Solutions Co Ltd Apparatus and method for treating exhaust gas
US20090261268A1 (en) * 2008-04-21 2009-10-22 Matthew Schwiebert Ionic fluid flow accelerator
CN203791056U (en) * 2014-04-23 2014-08-27 安然 High-frequency high-pressure air purification and capturing device
CN205851108U (en) * 2016-07-27 2017-01-04 谢红卫 Tubular type plasma electrostatic air cleaning device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018148940A1 (en) * 2017-02-17 2018-08-23 美的集团股份有限公司 Electrostatic dust removal apparatus and air treatment device
CN108738315A (en) * 2017-02-17 2018-11-02 美的集团股份有限公司 Electrostatic precipitator and airhandling equipment
CN106801952A (en) * 2017-03-30 2017-06-06 谢红卫 The indoor electrostatic air cleaning equipment of plasma and operation method
CN107477704A (en) * 2017-09-25 2017-12-15 广州市爱因电子有限公司 No material consumption inhales the antibacterial air purifier of haze
CN109395884A (en) * 2018-10-25 2019-03-01 浙江三尼科技有限公司 A kind of device applied to waste gas purification advanced treating

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