EP1033171A2 - Filtre electrostatique notamment pour le nettoyage de l'air d'échappement des tunnels routiers et d'autres choses semblables - Google Patents

Filtre electrostatique notamment pour le nettoyage de l'air d'échappement des tunnels routiers et d'autres choses semblables Download PDF

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Publication number
EP1033171A2
EP1033171A2 EP00890063A EP00890063A EP1033171A2 EP 1033171 A2 EP1033171 A2 EP 1033171A2 EP 00890063 A EP00890063 A EP 00890063A EP 00890063 A EP00890063 A EP 00890063A EP 1033171 A2 EP1033171 A2 EP 1033171A2
Authority
EP
European Patent Office
Prior art keywords
filter
collector
mat
electrodes
blow
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP00890063A
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German (de)
English (en)
Other versions
EP1033171A3 (fr
EP1033171B1 (fr
Inventor
Heinz Aigner
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Individual
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Individual
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Publication date
Application filed by Individual filed Critical Individual
Priority to AT00890063T priority Critical patent/ATE405349T1/de
Publication of EP1033171A2 publication Critical patent/EP1033171A2/fr
Publication of EP1033171A3 publication Critical patent/EP1033171A3/fr
Application granted granted Critical
Publication of EP1033171B1 publication Critical patent/EP1033171B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION 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
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/34—Constructional details or accessories or operation thereof
    • B03C3/74—Cleaning the electrodes
    • B03C3/78—Cleaning the electrodes by washing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION 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
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/02—Plant or installations having external electricity supply
    • B03C3/04—Plant or installations having external electricity supply dry type
    • B03C3/12—Plant or installations having external electricity supply dry type characterised by separation of ionising and collecting stations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION 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
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/02—Plant or installations having external electricity supply
    • B03C3/04—Plant or installations having external electricity supply dry type
    • B03C3/14—Plant or installations having external electricity supply dry type characterised by the additional use of mechanical effects, e.g. gravity
    • B03C3/155—Filtration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION 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
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/34—Constructional details or accessories or operation thereof
    • B03C3/40—Electrode constructions
    • B03C3/41—Ionising-electrodes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION 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
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/34—Constructional details or accessories or operation thereof
    • B03C3/86—Electrode-carrying means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/30—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by ionisation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION 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
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C2201/00—Details of magnetic or electrostatic separation
    • B03C2201/10—Ionising electrode has multiple serrated ends or parts

Definitions

  • the invention relates to an electrostatic filter, in particular for cleaning exhaust air for road tunnels, underground garages or the like, from at least one Through-flow channel-forming filter cell with an inflow-side ionizing device and an outlet-side collector, the ionizing device in inserted a frame, extending over the flow cross-section Electrodes.
  • the collector has been placed side by side arranged, alternating positive and negative collector plates together so that the ionized particles are between the collector plates exhaust air flowing through depending on the load from the one collector plate repelled and attracted by others and by themselves Place the deflection on the collector plates that attract them.
  • Flow velocities such as those for the large throughputs aimed for occur, however, is the separation performance of these filters, especially unsatisfactory with regard to the extremely small soot particles.
  • the invention is therefore based on the object of an electrostatic filter to create the type described above, which is relatively inexpensive Construction due to its high separation efficiency and suitability for fire distinguished and which can also be cleaned efficiently.
  • the invention solves this problem in that the electrodes at one end firmly and otherwise resiliently clamped in the frame and as Collector a grounded filter mat covering the flow cross-section Wire wool or the like is provided. Due to the elastic suspension of the electrodes their thermal expansion can be absorbed without deformation and even at higher temperatures, such as those that occur in the event of a fire, are not short circuits or flashover discharges due to changing To fear electrode distances.
  • the electrodes can be any be designed as long as they are even over the flow cross-section Generate distributed electrical field, advantageously sheet metal strips Stainless steel serve as electrodes, one of which is alternately grounded and the others are connected to a high voltage source and the others High voltage source connected jagged edges for a sheet metal strip Form peak ionization.
  • the collector also consists of a filter mat, they need ionized particles also no longer transverse to the flow direction to corresponding ones Collector plates to be distracted because they have to when penetrating the filter mat in contact with the earthed mat material kick and are so separated, using wire wool or similar wire material, such as wire mesh and wire mesh, but also non-woven fabrics u.
  • wire wool or similar wire material such as wire mesh and wire mesh, but also non-woven fabrics u.
  • This filter mat is insensitive to temperature and also brings about a breakdown if the ionization fails the high voltage as a purely mechanical filter has a separation effect, without causing higher pressure losses due to the looser structure.
  • the reason for the interaction of the ionizing device and the filter mat are also Sufficiently good separation performance even at high flow rates guaranteed because of the temperature resistance of the ionizing device and the collector are also largely independent of temperature.
  • filter cell Since the ionizing device and the collector are combined to form a filter cell are, it is possible to use such a filter cell on its own as an electrostatic filter use or several such filter cells in a modular manner to assemble the entire filter system, with the filter cells mostly in parallel are arranged side by side, but also to achieve more Separation effects can be lined up in series. Multiple filter cells can also be put together to form a large filter cell that has a common Flow channel forms and in a frame housing on the inflow side to form an ionizing unit and on the outflow side the collectors of the individual combined into a collector unit Holds filter cells.
  • a blow-off device be assigned to a blow-off nozzle unit on the outflow side the filter mat and a suction hood unit on the inflow side thereof, the opposing blow-out nozzle and suction hood units can be moved back and forth together along the mat surface are led.
  • the combination of blowing and suction guarantees one thorough cleaning of the filter mat in the course of dry cleaning, which is quite is also possible during filter operation.
  • the correspondingly smaller one Impair area and nozzle units and hood units the air throughput through the filter is scarce and leads to comparative low blowing and suction pressures to a surface-specific, highly effective one Cleaning.
  • the filter cell can also be a water spray device with spray nozzles provided in front of and / or behind the filter mat belong to additional air washing, so that through the water mist or curtain not only can be influenced, but also gas separation can also be achieved.
  • the spray nozzles can Adapt to the respective circumstances in front of the ionizing device, which is useful, for example, in the event of a fire or after the ionizing device, so as not to interfere with the ionizing process, and you can also be arranged behind the collector and the water against the flow direction spray through the filter mat, which in addition to the washing effect the separation effect is increased and a filter cleaning effect is achieved.
  • a filter cell 1 of an electrostatic filter consists of a cell housing 2, which forms a throughflow channel 3 and an ionizing device on the inflow side 4 and on the outflow side receives a collector 5.
  • the ionizing device 4 has in a frame 6 arranged electrodes 7, 8, which mutually Extend the distance parallel to each other across the flow cross-section and alternately consist of strip-shaped earthing plates 81 and ionizing plates 71.
  • the grounding plates 81 are fixed at one end to a support rod 9 of the frame 6 pulled up and at the other end via a suspension spring 10 resiliently suspended on a suspension rod 11, whereby there is an earth connection for the frame 6 and the earthing plates 81 gives.
  • the ionizing plates 71 formed with a serrated edge 72 are similar to the grounding plates firmly attached to a connecting rod 12 at one end and at the other end via a suspension spring 13 on a suspension rod 14 suspended, which ionizing plates 71 but not via the connecting rod 12 in further shown with a high voltage source in line connection stand.
  • This connecting rod 12 is insulators 15 relative to the frame 6 isolated and prevent openings 82 in the grounding plates 81 an electrical contact between the grounding plates and the connecting rod.
  • the flow cross-section is in the cell housing 2 as the collector 5 covering filter mat 16 made of wire wool or the like. Flows through Exhaust air the filter cell 1, the particles contained in the exhaust air through the Electric field generated in the ionizing device 4 via the electrodes 7, 8 ionized and then get to collector 5, where they are in the grounded Filter mat 16 are deposited and separated. Due to the spring-dependent elastic suspension of the electrodes 7, 8 and when in use a temperature-resistant material as a filter mat 16 is the Filter cell 1 suitable for fire and because of the filter mat as collector results Good separation performance even for high flow rates.
  • the filter mat 16 is a blow-off device 17 associated with a blow-out nozzle unit 18 on the outflow side 161 the filter mat 16 and a suction hood unit 19 on the inflow side 162 the filter mat 16, the opposing blow-out nozzles and suction hood units 18, 19 by means of screw spindles 20, 21 are guided back and forth along the mat surface.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Electrostatic Separation (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Treating Waste Gases (AREA)
  • Filtering Materials (AREA)
EP00890063A 1999-03-01 2000-03-01 Filtre electrostatique notamment pour le nettoyage de l'air d'échappement des tunnels routiers et d'autres choses semblables Expired - Lifetime EP1033171B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT00890063T ATE405349T1 (de) 1999-03-01 2000-03-01 Elektrofilter, insbesondere zur abluftreinigung für strassentunnel, tiefgaragen od. dgl.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT33199 1999-03-01
AT0033199A AT406737B (de) 1999-03-01 1999-03-01 Elektrofilter, insbesondere zur abluftreinigung für strassentunnel, tiefgaragen od. dgl.

Publications (3)

Publication Number Publication Date
EP1033171A2 true EP1033171A2 (fr) 2000-09-06
EP1033171A3 EP1033171A3 (fr) 2001-03-28
EP1033171B1 EP1033171B1 (fr) 2008-08-20

Family

ID=3487763

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00890063A Expired - Lifetime EP1033171B1 (fr) 1999-03-01 2000-03-01 Filtre electrostatique notamment pour le nettoyage de l'air d'échappement des tunnels routiers et d'autres choses semblables

Country Status (3)

Country Link
EP (1) EP1033171B1 (fr)
AT (2) AT406737B (fr)
DE (1) DE50015313D1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018209993A1 (de) 2018-06-20 2019-12-24 ECOVAC Filteranlagen GmbH Vorrichtung und Verfahren zur Reinigung schadstoffbelasteter Luft
WO2020234472A1 (fr) 2019-05-22 2020-11-26 Kronhagel, Christoph Installation de purification d'air

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9550189B2 (en) 2011-08-15 2017-01-24 Peter Oertmann Electronic fine dust separator
DE102011110805B4 (de) 2011-08-15 2019-02-14 Peter Oertmann Elektronischer Feinstaubabscheider
DE202011104657U1 (de) 2011-08-15 2011-11-18 Peter Oertmann Elektronischer Feinstaubabscheider
DE202021002126U1 (de) 2021-06-18 2021-07-05 Reinhard Stiebert Anordnung zur Filterung und Desinfektion von Atemluft innerhalb von Schutzmasken, Schutzschildern und sonstigen Einrichtungen zur Durchleitung von Atemluft mittels Elektrofilterstrukturen und/oder Plasmaeinheiten und zusätzlichen Komponenten

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR865813A (fr) * 1939-06-21 1941-06-05 Louis Prat Soc Perfectionnements aux appareils pour la récupération des poussières par voie électrostatique
GB553753A (en) * 1941-12-12 1943-06-03 Vauxhall Motors Ltd Improved electrostatic gas cleaner
US4029482A (en) * 1974-03-27 1977-06-14 Battelle Memorial Institute Electrostatic removal of airborne particulates employing fiber beds
US4147522A (en) * 1976-04-23 1979-04-03 American Precision Industries Inc. Electrostatic dust collector
US4222748A (en) * 1979-02-22 1980-09-16 Monsanto Company Electrostatically augmented fiber bed and method of using
EP0039669A2 (fr) * 1980-05-06 1981-11-11 Fleck, Carl Maria, Prof. Dr. Filtre à air électrostatique
US4666474A (en) * 1986-08-11 1987-05-19 Amax Inc. Electrostatic precipitators
WO1993016807A1 (fr) * 1992-02-20 1993-09-02 Tl-Vent Ab Filtre electrostatique a deux etages
DE4207022A1 (de) * 1992-03-06 1993-09-09 Rolf Hertfelder Elektrostatische filtereinrichtung fuer dunstabzugshauben
US5391222A (en) * 1993-04-15 1995-02-21 The Babcock & Wilcox Company In place discharge electrode replacement on rigid frame ESP's
US5698012A (en) * 1995-03-28 1997-12-16 Ajiawasu Kabushiki Kaisha Exhaust gas purifying apparatus

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR865813A (fr) * 1939-06-21 1941-06-05 Louis Prat Soc Perfectionnements aux appareils pour la récupération des poussières par voie électrostatique
GB553753A (en) * 1941-12-12 1943-06-03 Vauxhall Motors Ltd Improved electrostatic gas cleaner
US4029482A (en) * 1974-03-27 1977-06-14 Battelle Memorial Institute Electrostatic removal of airborne particulates employing fiber beds
US4147522A (en) * 1976-04-23 1979-04-03 American Precision Industries Inc. Electrostatic dust collector
US4222748A (en) * 1979-02-22 1980-09-16 Monsanto Company Electrostatically augmented fiber bed and method of using
EP0039669A2 (fr) * 1980-05-06 1981-11-11 Fleck, Carl Maria, Prof. Dr. Filtre à air électrostatique
US4666474A (en) * 1986-08-11 1987-05-19 Amax Inc. Electrostatic precipitators
WO1993016807A1 (fr) * 1992-02-20 1993-09-02 Tl-Vent Ab Filtre electrostatique a deux etages
DE4207022A1 (de) * 1992-03-06 1993-09-09 Rolf Hertfelder Elektrostatische filtereinrichtung fuer dunstabzugshauben
US5391222A (en) * 1993-04-15 1995-02-21 The Babcock & Wilcox Company In place discharge electrode replacement on rigid frame ESP's
US5698012A (en) * 1995-03-28 1997-12-16 Ajiawasu Kabushiki Kaisha Exhaust gas purifying apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018209993A1 (de) 2018-06-20 2019-12-24 ECOVAC Filteranlagen GmbH Vorrichtung und Verfahren zur Reinigung schadstoffbelasteter Luft
WO2020234472A1 (fr) 2019-05-22 2020-11-26 Kronhagel, Christoph Installation de purification d'air

Also Published As

Publication number Publication date
EP1033171A3 (fr) 2001-03-28
EP1033171B1 (fr) 2008-08-20
DE50015313D1 (de) 2008-10-02
ATE405349T1 (de) 2008-09-15
ATA33199A (de) 2000-01-15
AT406737B (de) 2000-08-25

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