SE1950823A1 - Air purification device - Google Patents

Air purification device

Info

Publication number
SE1950823A1
SE1950823A1 SE1950823A SE1950823A SE1950823A1 SE 1950823 A1 SE1950823 A1 SE 1950823A1 SE 1950823 A SE1950823 A SE 1950823A SE 1950823 A SE1950823 A SE 1950823A SE 1950823 A1 SE1950823 A1 SE 1950823A1
Authority
SE
Sweden
Prior art keywords
filter medium
purification device
air purification
emitter electrode
emitter
Prior art date
Application number
SE1950823A
Other languages
English (en)
Other versions
SE544046C2 (en
Inventor
Attila Fodor
Emil Helin
Lars Wettre
Lena Nilevi
Original Assignee
Cabinair Sweden Ab
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Cabinair Sweden Ab filed Critical Cabinair Sweden Ab
Priority to SE1950823A priority Critical patent/SE544046C2/en
Priority to CN202080056691.0A priority patent/CN114258324A/zh
Priority to EP20832698.3A priority patent/EP3990191A4/en
Priority to PCT/SE2020/050672 priority patent/WO2020263171A1/en
Publication of SE1950823A1 publication Critical patent/SE1950823A1/sv
Publication of SE544046C2 publication Critical patent/SE544046C2/en

Links

Classifications

    • 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
    • B03C3/12Plant or installations having external electricity supply dry type characterised by separation of ionising and collecting stations
    • 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
    • B03C3/14Plant or installations having external electricity supply dry type characterised by the additional use of mechanical effects, e.g. gravity
    • B03C3/155Filtration
    • 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
    • B03C3/019Post-treatment of gases
    • 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
    • B03C3/60Use of special materials other than liquids
    • 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
    • B03C3/66Applications of electricity supply techniques
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
    • F24F3/12Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
    • F24F3/16Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by purification, e.g. by filtering; by sterilisation; by ozonisation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/10Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/30Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by ionisation
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01TSPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
    • H01T19/00Devices providing for corona discharge
    • H01T19/04Devices providing for corona discharge having pointed electrodes
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01TSPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
    • H01T23/00Apparatus for generating ions to be introduced into non-enclosed gases, e.g. into the atmosphere
    • 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
    • B03C2201/04Ionising electrode being a wire
    • 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
    • B03C2201/06Ionising electrode being a needle
    • 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
    • B03C2201/08Ionising electrode being a rod
    • 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
    • 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
    • B03C2201/30Details of magnetic or electrostatic separation for use in or with vehicles
    • 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
    • B03C3/47Collecting-electrodes flat, e.g. plates, discs, gratings
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60HARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H3/00Other air-treating devices
    • B60H3/0071Electrically conditioning the air, e.g. by ionizing
    • B60H3/0078Electrically conditioning the air, e.g. by ionizing comprising electric purifying means

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Electrostatic Separation (AREA)

Claims (11)

PÅSTÅENDEN
1.Luftreningsanordning för att separera luftburna partiklar från ett luftflöde, varvid luftreningsanordningen innefattar: en emitterenhet innefattande en emitterelektrod; oc ett filtermedium anordnat att attrahera åtminstone en delmängd av de luftburna partiklarna, varvid filtermediet innefattar ett ledande material, oc varvid emitterelektroden och filtermediet innefattande det ledande materialet är anordnade så att de producerar en joniserande volym för att ladda luftburna partiklar som finns i luftflödet.
2. Luftreningsanordning enligt krav 1, varvid det ledande materialet är ett av ett ark av aktivt kol, ledande partikelmedia och ett ledande nät.
3. Luftreningsanordning enligt något av kraven 1 och 2, varvid filtermediet som innefattar det ledande materialet är anslutet till elektrisk jord.
4. Luftreningsanordning enligt något av kraven 1-3, varvid emitterelektroden och filtermediet är anordnade på avstånd inom 10-100 millimeter.
5. Luftreningsanordning enligt något av kraven 1-3, varvid emitterelektroden och filtermediet är anordnade på avstånd inom 12-30 millimeter.
6. Luftreningsanordning enligt något av kraven 1-5, varvid emitterelektroden innefattar en eller flera koronaurladdningspunkter.
7. Luftreningsanordning enligt krav 6, varvid nämnda en eller flera koronaurladdningspunkter är riktade bort från filtermediet.
8. Luftreningsanordning enligt något av kraven 6 och 7, varvid emitterelektroden är en långsträckt struktur och nämnda flertal koronala urladdningspunkter är fördelade längs en längd av emitterelektroden.
9. Luftreningsanordning enligt något av kraven 1-8, varvid emitterenheten vidare innefattar en emitterbärare för att hålla emitterelektroden och för att elektriskt isolera emitterelektroden från filtermediet innefattande det ledande materialet.
10. Luftreningsanordning enligt något av kraven 1-9, varvid emitterenheten är flexibelt ansluten till filtermediet för att tillåta deformation av filtermediet medan emitterenheten är fäst vid filtermediet.
11. Luftreningsanordning enligt något av kraven 1-10, vidare innefattande: en strömkälla, ett första kontaktdon som ansluter strömförsörjningen till emitterelektroden; och
SE1950823A 2019-06-28 2019-06-28 Air purification device with a filter medium comprising a conductive material SE544046C2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
SE1950823A SE544046C2 (en) 2019-06-28 2019-06-28 Air purification device with a filter medium comprising a conductive material
CN202080056691.0A CN114258324A (zh) 2019-06-28 2020-06-26 空气净化装置
EP20832698.3A EP3990191A4 (en) 2019-06-28 2020-06-26 AIR PURIFYING DEVICE
PCT/SE2020/050672 WO2020263171A1 (en) 2019-06-28 2020-06-26 Air purification device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE1950823A SE544046C2 (en) 2019-06-28 2019-06-28 Air purification device with a filter medium comprising a conductive material

Publications (2)

Publication Number Publication Date
SE1950823A1 true SE1950823A1 (sv) 2020-12-29
SE544046C2 SE544046C2 (en) 2021-11-16

Family

ID=74061030

Family Applications (1)

Application Number Title Priority Date Filing Date
SE1950823A SE544046C2 (en) 2019-06-28 2019-06-28 Air purification device with a filter medium comprising a conductive material

Country Status (4)

Country Link
EP (1) EP3990191A4 (sv)
CN (1) CN114258324A (sv)
SE (1) SE544046C2 (sv)
WO (1) WO2020263171A1 (sv)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4230298A1 (en) 2022-02-18 2023-08-23 Hengst SE Cabin air filter with polarisation
DE102022202649A1 (de) 2022-03-17 2023-09-21 Mahle International Gmbh System für eine Lüftungseinrichtung
SE2251182A1 (en) * 2022-10-10 2024-04-11 Cabinair Sweden Ab Filter device with a filter medium comprising an electrically conductive material
EP4357025A1 (en) 2022-10-21 2024-04-24 Hengst SE Active field polarized media air cleaning device

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2352658A (en) * 1999-04-12 2001-02-07 Darwin Technology Ltd Electrostatic particle separation
EP1291086A2 (en) * 2001-08-31 2003-03-12 Matsushita Electric Industrial Co., Ltd. Electric dust collector and blower using the same
US20080034973A1 (en) * 2004-04-22 2008-02-14 Darwin Technology Limited Device For Air Cleaning
FI125997B (sv) * 2014-01-27 2016-05-13 Teknologian Tutkimuskeskus Vtt Oy Elektriskt system för laddning av partiklar och förfarande för filtrering av gas
CN108480050A (zh) * 2018-02-09 2018-09-04 北京东方计量测试研究所 驻极体材料及静电除尘装置
US20190143339A1 (en) * 2016-06-06 2019-05-16 Panasonic Intellectual Property Management Co., Ltd. Charger, electric dust collector, ventilator, and air cleaner
EP3488933A1 (en) * 2017-11-27 2019-05-29 Cwik Pro-Vent Systemy Wentylacyjne Krzysztof Electrostatic air filter

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2270979C (en) * 1996-11-08 2009-09-08 Constantinos J. Joannou Externally ionizing air filter
US7025806B2 (en) * 2003-11-25 2006-04-11 Stri{dot over (o)}nAir, Inc. Electrically enhanced air filtration with improved efficacy
US7258729B1 (en) * 2004-08-04 2007-08-21 Air Ion Devices Inc. Electronic bi-polar electrostatic air cleaner
EP3283226A4 (en) * 2015-04-14 2018-12-05 Environmental Management Confederation Inc. Corrugated filtration media for polarizing air cleaner
KR20170051893A (ko) * 2015-11-03 2017-05-12 현대자동차주식회사 전기식 집진필터

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2352658A (en) * 1999-04-12 2001-02-07 Darwin Technology Ltd Electrostatic particle separation
EP1291086A2 (en) * 2001-08-31 2003-03-12 Matsushita Electric Industrial Co., Ltd. Electric dust collector and blower using the same
US20080034973A1 (en) * 2004-04-22 2008-02-14 Darwin Technology Limited Device For Air Cleaning
FI125997B (sv) * 2014-01-27 2016-05-13 Teknologian Tutkimuskeskus Vtt Oy Elektriskt system för laddning av partiklar och förfarande för filtrering av gas
US20190143339A1 (en) * 2016-06-06 2019-05-16 Panasonic Intellectual Property Management Co., Ltd. Charger, electric dust collector, ventilator, and air cleaner
EP3488933A1 (en) * 2017-11-27 2019-05-29 Cwik Pro-Vent Systemy Wentylacyjne Krzysztof Electrostatic air filter
CN108480050A (zh) * 2018-02-09 2018-09-04 北京东方计量测试研究所 驻极体材料及静电除尘装置

Also Published As

Publication number Publication date
EP3990191A1 (en) 2022-05-04
WO2020263171A1 (en) 2020-12-30
EP3990191A4 (en) 2023-07-19
SE544046C2 (en) 2021-11-16
CN114258324A (zh) 2022-03-29

Similar Documents

Publication Publication Date Title
SE1950823A1 (sv) Air purification device
US7077890B2 (en) Electrostatic precipitators with insulated driver electrodes
US7156898B2 (en) Low pressure drop deep electrically enhanced filter
EP2318144B1 (en) Apparatus, system, and method for enhancing air purification efficiency
US9873310B2 (en) Air filtration system and method for a HVAC unit in a transport compartment
US9682384B2 (en) Electrostatic precipitator
US3678653A (en) Electrostatic precipitator
JP4995836B2 (ja) 特に換気及び空気調和システムのための空気浄化装置
US9827573B2 (en) Electrostatic precipitator
JP2023107942A (ja) ガス流から材料を分離するための空気清浄デバイス、構成、および方法
WO2002020163A2 (en) Electrostatically polarized air filter
US20230201752A1 (en) Filter module
CN211914182U (zh) 用于从空气流中分离空气传播粒子的空气净化设备
CN211914193U (zh) 用于从空气流中分离空气传播粒子的空气净化设备
JPS6336852A (ja) 荷電式フイルタ−
CN211914185U (zh) 用于从空气流中分离空气传播粒子的空气净化设备
US20200246808A1 (en) An electrostatic filter and a rack for filter plates of an electrostatic filter
CN211914183U (zh) 用于从空气流中分离空气传播粒子的空气净化设备
KR102401439B1 (ko) 슬림형 양방향전기집진모듈
JP3011935U (ja) 電気集塵装置
GB679133A (en) Improvements in or relating to electrostatic precipitators
JP2021000601A (ja) 集塵装置
CN109967231A (zh) 一种微颗粒收集装置
EP3801915A1 (en) An electrostatic precipitator and a supply air device
US20100126343A1 (en) Electrically Enhanced Air Filter Apparatus With A Perpendicular Field Ionizer