EP2163309A2 - Dispositif de séparation pour particules - Google Patents

Dispositif de séparation pour particules Download PDF

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Publication number
EP2163309A2
EP2163309A2 EP09168456A EP09168456A EP2163309A2 EP 2163309 A2 EP2163309 A2 EP 2163309A2 EP 09168456 A EP09168456 A EP 09168456A EP 09168456 A EP09168456 A EP 09168456A EP 2163309 A2 EP2163309 A2 EP 2163309A2
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EP
European Patent Office
Prior art keywords
separating
separating device
separation
bodies
tube
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.)
Withdrawn
Application number
EP09168456A
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German (de)
English (en)
Other versions
EP2163309A3 (fr
Inventor
Peter Buchta
Oliver Zeller
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP2163309A2 publication Critical patent/EP2163309A2/fr
Publication of EP2163309A3 publication Critical patent/EP2163309A3/fr
Withdrawn legal-status Critical Current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
    • B03C3/88—Cleaning-out collected particles
    • 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
    • B03C3/06—Plant or installations having external electricity supply dry type characterised by presence of stationary tube 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
    • B03C3/02—Plant or installations having external electricity supply
    • B03C3/04—Plant or installations having external electricity supply dry type
    • B03C3/08—Plant or installations having external electricity supply dry type characterised by presence of stationary flat electrodes arranged with their flat surfaces parallel to the gas stream
    • 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
    • B03C3/45—Collecting-electrodes
    • B03C3/49—Collecting-electrodes tubular
    • 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
    • B03C3/743—Cleaning the electrodes by using friction, e.g. by brushes or sliding elements
    • 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
    • B03C2201/08—Ionising electrode being a rod
    • 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
    • B03C2201/28—Parts being easily removable for cleaning purposes

Definitions

  • the invention relates to a separating device for particles in the flue gas of a furnace, in particular for an electrostatic precipitator, with a separating element consisting essentially of metal, preferably a substantially hollow cylindrical shape.
  • the US 3,157,479 A discloses an electrostatic filter device for an exhaust pipe having a center electrode and a sheath electrode forming a deposition region.
  • the sheath electrode has a honeycomb-like structure and is inserted into a peripheral cylindrical housing. The cleaning of the separation area is relatively expensive.
  • an electrostatic cleaning device for separating particles from the flue gases of combustion plants wherein the cleaning device is designed as a mountable assembly and installed in a flue pipe in an opening.
  • the cleaning device has a cathode as a spray electrode for electrostatic charging of the particles to be separated and an anode located downstream in the flue gas tube as Abscheideelektrode for depositing the particles from the flue gases and a high voltage transformer with rectifier function.
  • the cathode is formed as a lattice structure of metal or wire rings and the anode as a cylindrical or conical pipe section, wherein the cathode and anode are used in the flue gas pipe and electrically isolated by insulators on a releasably connected to the pipe gas tube carrier plate.
  • an electric filter for a combustion plant which has a first and a second swirl chamber for the flue gas.
  • a filter electrode assembly is provided with an insulator which is arranged in the purge air flow.
  • the electrostatic precipitator further comprises a second vortex chamber which is connected to a tubular outlet of the first vortex chamber and formed so that the particles located in the flue gas are deposited in it.
  • the cleaned flue gas can escape from the electrostatic precipitator.
  • the filter electrode arrangement has horizontally extending, star-shaped arranged first electrodes and a vertically oriented, emanating from the intersection of the first electrode second electrode. At least part of the electrodes is arranged transversely to the flow.
  • an electrostatic filter for a firing system which has a rod-shaped central and arranged in the direction of the flow axis of the flue gas filter electrode, an electrode holder, via which the filter electrode is held in an exhaust pipe of the furnace and supplied with voltage, and an insulator which surrounds the electrode holder.
  • two baffle plates, which are arranged on the insulator and a scavenging air opening are provided in the electrostatic precipitator, wherein scavenging air can be guided in the direction of the plate via the scavenging air opening. The purge air is thereby guided so that a particle deposition of the housing is avoided and thus the efficiency of the filter is maintained for a long time.
  • an electrostatic filter for a furnace known, which can be placed for example on a fireplace.
  • the electrostatic precipitator consists of a frame, which is placed on the chimney, an insulator that protrudes from the frame inside in the middle of the frame and at the end of a weighted electrode hangs and protrudes into the chimney.
  • the electrostatic precipitator is used to hold back the particles in the flue gas.
  • a high voltage is applied to the electrode, with the result that the particles are electrostatically charged and reflected by the chimney and the frame.
  • this may result in prolonged operation of the electrostatic precipitator, the particles that accumulate on the insulator form an electrically conductive bridge due to their electrical conductivity between the insulator and the frame and thereby degrade the effect of the insulator.
  • the WO 1993/16807 A1 discloses an electrostatic filter having an ionization chamber and a filter electrode assembly in the flow path of the gas, wherein the filter electrode assembly is disposed in a substantially straight portion of the flow path of the gas.
  • the filter electrode assembly has a plurality of electrodes formed as parallel plates, which are aligned in the direction of gas flow.
  • the disadvantage is that the known electrostatic filter arrangement takes up a lot of space and causes a relatively high throttling of the flue gases. For subsequent installation in a chimney, the device is therefore less suitable.
  • the object of the invention is to avoid the disadvantages mentioned and to effectively clean the flue gases of domestic fire furnaces in a space-saving manner, with particular attention to be directed to a simple cleaning of the separation area.
  • the separation element has at least one first group of preferably in the direction of a longitudinal axis of the separation region relative to each other movable Abscheidelikn. It is particularly advantageous if the separation bodies are formed by helical springs arranged preferably parallel to one another, wherein preferably the helical springs are connected to one another laterally, preferably hooked into one another.
  • the coil springs are held by a retaining ring arranged within the separating element (preferably by three retaining rings).
  • the uppermost retaining ring is fixed and the other retaining rings are formed loosely with the coil springs.
  • Both the retaining rings and the coil springs are preferably made of stainless steel.
  • the separating element may further be surrounded by a preferably ceramic first jacket tube.
  • the jacket tube should be spaced from the separation element.
  • the first jacket tube is surrounded by a preferably made of stainless steel second jacket tube, wherein between the first and second jacket tube filled with a preferably ceramic insulating material cavity is formed.
  • a non-ceramic insulating material such as glass fiber fabric may be used instead of the ceramic insulating material.
  • the separation element has at least one second group of relatively movable separation bodies arranged concentrically within the first group.
  • the separation element is inserted into the first jacket tube at the upper edge and hangs down freely in the interior of the first jacket tube. This has the advantage that a cleaning can be done by merely shaking off the coil springs, it being particularly advantageous if the separation element, preferably via at least one retaining ring, is connected to a particularly preferably electromechanically actuated shaking device.
  • Fig. 1 shows a chimney 1, on its mouth 2 designed as a chimney cap 3 electrostatic filter 4 is arranged.
  • the electrostatic filter 4 has an ionization chamber 6 formed by a ceramic inner tube 5, in which a filter electrode arrangement 7 is arranged.
  • the electrostatic precipitator 4 has a push-in tube 8, which can be pushed into the mouth 2 of the chimney 1, and a separation region 10 which is connected downstream of the ionization chamber 6 and formed by a separating device 9, which is surrounded by an electrical insulation 11.
  • the ceramic inner tube 5 is formed as a T-shaped tube, wherein an installation space 12 connects to the transverse opening pipe part 5a for a shielded from the environment high voltage generator 13, the electronics is protected by a weather protection 15. To the high voltage generator 13 on the one hand, the filter electrode assembly 7 and on the other hand, the separation element 90 of the deposition region 10 is electrically connected.
  • the axis 8a of the insertion tube 8 of the ionization chamber 6 and the longitudinal axis 10a of the deposition area 10 are aligned with each other.
  • the ionization chamber 6 has a larger cross-section than the insertion tube 8 and the separation region 10, wherein between the insertion tube 8 and the ionization chamber 6 and the ionization chamber 6 and the separation region 10
  • sudden cross-sectional transitions take place.
  • the unsteady change of the flow cross-section causes turbulences to form in the inlet region 16 as well as in the outlet region 17, which with W in Fig. 1 are designated.
  • the chimney cap 3 has a mounting plate 18 made of stainless steel, which is releasably secured to the edge of the mouth 2 of the chimney 1. Since the insertion tube 8 is only inserted into the chimney 1, the chimney cap 3 together with the filter electrode assembly 7 can be removed by pulling out the insertion tube 8 from the mouth 2 of the chimney 1 for cleaning work become.
  • the chimney cap 3 may also have a hinge 19 in the region of the mounting plate 18, around which the chimney cap 3 can be tilted during cleaning.
  • annular or star-shaped arrangement of the electrodes 7a in the form of rods or plates is advantageous.
  • the separating device 9 has a separating element 90 which is formed from at least a first group 98 of metallic separating bodies 97 and which describes a substantially hollow cylindrical shape, wherein the separating bodies 97 are formed by helical springs 91 arranged side by side parallel to the axis.
  • the coil springs 91 are laterally interconnected and interlocked and form an annular shape in a plan view.
  • retaining rings 92 are arranged inside the separating element 90, wherein the uppermost retaining ring 92a is fixedly connected to the coil springs 91 and the downwardly adjoining retaining rings 92b are loosely connected to the coil springs 91.
  • the separating element 90 is surrounded by a ceramic first jacket tube 9 and by a second jacket tube 94 consisting of stainless steel, wherein a cavity 96 formed with ceramic insulating material 95 is formed between the first and second jacket tubes 93, 94.
  • the coil springs 91 are attached to the upper edge of the first casing tube 93 and hang freely in the first casing tube 9 down. This has the advantage that a cleaning of accumulated particles can only take place by shaking off, with an automatic cleaning process being able to be realized by an electromechanical shaking device 100 acting on the precipitation element 90. How out Fig. 2 can be seen, the shaker 100 attacks in the embodiment via an oscillating mechanism on the middle retaining ring 92b.
  • Fig. 4 shows a variant in which within the first group 98 of Abscheide benefician 97, a second group 99 of Abscheide benefician 97 is arranged concentrically. This can be achieved particularly good separation results.

Landscapes

  • Electrostatic Separation (AREA)
EP09168456A 2008-09-11 2009-08-24 Dispositif de séparation pour particules Withdrawn EP2163309A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT14102008A AT506397B1 (de) 2008-09-11 2008-09-11 Abscheideeinrichtung für partikel

Publications (2)

Publication Number Publication Date
EP2163309A2 true EP2163309A2 (fr) 2010-03-17
EP2163309A3 EP2163309A3 (fr) 2011-01-05

Family

ID=41057734

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09168456A Withdrawn EP2163309A3 (fr) 2008-09-11 2009-08-24 Dispositif de séparation pour particules

Country Status (2)

Country Link
EP (1) EP2163309A3 (fr)
AT (1) AT506397B1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102125890A (zh) * 2010-12-13 2011-07-20 株洲冶炼集团股份有限公司 一种处理电收尘器阴极芒刺上结块的清理耙
EP4033150A3 (fr) * 2021-01-25 2022-08-03 Kutzner + Weber GmbH Porte de nettoyage pour une cheminée pourvue de séparateur de particules intégré
EP4374968A1 (fr) * 2022-11-22 2024-05-29 Schiedel GmbH Tuyau d'échappement, appareil de purification de gaz d'échappement, procédé de nettoyage d'un tuyau d'échappement et utilisation d'un tuyau d'échappement

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009057768A1 (de) * 2009-12-10 2011-06-16 Mahle International Gmbh Partikelfiltervorrichtung

Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB415676A (en) 1934-04-13 1934-08-30 Siemens Lurgi Cottrell Elektro Improvements in or relating to electrodes for use in apparatus for the electrical precipitation of suspended particles from gaseous fluids
US3114615A (en) 1960-12-09 1963-12-17 Koppers Co Inc Oscillating shearing device for the removal of precipitated dry dust
US3157479A (en) 1962-03-26 1964-11-17 Arthur F Boles Electrostatic precipitating device
JPS55104664A (en) 1979-02-06 1980-08-11 Hitachi Plant Eng & Constr Co Ltd Electric dust collector
DE8705716U1 (de) 1987-03-12 1987-09-10 Haufe, Paul J.M., 8878 Bibertal Vorrichtung zur Aufbereitung, insbesondere Filtrierung, der Raumluft
EP0299197A2 (fr) * 1987-07-16 1989-01-18 MAN Technologie Aktiengesellschaft Filtre électrostatique pour la purification de gaz
WO1993016807A1 (fr) 1992-02-20 1993-09-02 Tl-Vent Ab Filtre electrostatique a deux etages
WO2000033945A1 (fr) 1998-12-04 2000-06-15 Applied Plasma Physics As Procede et dispositif de nettoyages d'effluents
EP1038582A1 (fr) 1999-03-22 2000-09-27 Chin-Chu Chang Un appareil électrostatique collecteur de poussière
DE10026317A1 (de) 2000-05-19 2001-11-29 Hitachi Plant Eng & Constr Co Elektrische Staubsammelvorrichtung mit bewegter Elektrode
DE10346183A1 (de) 2003-10-02 2005-04-21 Behr Gmbh & Co Kg Hochspannungs-Filtersystem für Kraftfahrzeuge und Verfahren zur Reinigung eines solchen
WO2006015504A1 (fr) 2004-08-11 2006-02-16 Eidgenössische Materialprüfungs- und Forschungsanstalt Empa Electrofiltre pour installation de combustion
WO2006015503A1 (fr) 2004-08-11 2006-02-16 Eidgenössische Materialprüfungs- und Forschungsanstalt Empa Electrofiltre pour installation de combustion
DE202006016244U1 (de) 2006-10-24 2007-04-19 Vitek, Christian, Dipl.-Ing. (FH) Elektrostatische Reinigungsvorrichtung für die Rauchgase einer Feuerungsanlage

Patent Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB415676A (en) 1934-04-13 1934-08-30 Siemens Lurgi Cottrell Elektro Improvements in or relating to electrodes for use in apparatus for the electrical precipitation of suspended particles from gaseous fluids
US3114615A (en) 1960-12-09 1963-12-17 Koppers Co Inc Oscillating shearing device for the removal of precipitated dry dust
US3157479A (en) 1962-03-26 1964-11-17 Arthur F Boles Electrostatic precipitating device
JPS55104664A (en) 1979-02-06 1980-08-11 Hitachi Plant Eng & Constr Co Ltd Electric dust collector
DE8705716U1 (de) 1987-03-12 1987-09-10 Haufe, Paul J.M., 8878 Bibertal Vorrichtung zur Aufbereitung, insbesondere Filtrierung, der Raumluft
EP0299197A2 (fr) * 1987-07-16 1989-01-18 MAN Technologie Aktiengesellschaft Filtre électrostatique pour la purification de gaz
US4871515A (en) 1987-07-16 1989-10-03 Man Technologie Gmbh Electrostatic filter
WO1993016807A1 (fr) 1992-02-20 1993-09-02 Tl-Vent Ab Filtre electrostatique a deux etages
WO2000033945A1 (fr) 1998-12-04 2000-06-15 Applied Plasma Physics As Procede et dispositif de nettoyages d'effluents
EP1038582A1 (fr) 1999-03-22 2000-09-27 Chin-Chu Chang Un appareil électrostatique collecteur de poussière
DE10026317A1 (de) 2000-05-19 2001-11-29 Hitachi Plant Eng & Constr Co Elektrische Staubsammelvorrichtung mit bewegter Elektrode
DE10346183A1 (de) 2003-10-02 2005-04-21 Behr Gmbh & Co Kg Hochspannungs-Filtersystem für Kraftfahrzeuge und Verfahren zur Reinigung eines solchen
WO2006015504A1 (fr) 2004-08-11 2006-02-16 Eidgenössische Materialprüfungs- und Forschungsanstalt Empa Electrofiltre pour installation de combustion
WO2006015503A1 (fr) 2004-08-11 2006-02-16 Eidgenössische Materialprüfungs- und Forschungsanstalt Empa Electrofiltre pour installation de combustion
DE202006016244U1 (de) 2006-10-24 2007-04-19 Vitek, Christian, Dipl.-Ing. (FH) Elektrostatische Reinigungsvorrichtung für die Rauchgase einer Feuerungsanlage

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
BESCHREIBUNG, 24 August 2009 (2009-08-24), pages 4

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102125890A (zh) * 2010-12-13 2011-07-20 株洲冶炼集团股份有限公司 一种处理电收尘器阴极芒刺上结块的清理耙
EP4033150A3 (fr) * 2021-01-25 2022-08-03 Kutzner + Weber GmbH Porte de nettoyage pour une cheminée pourvue de séparateur de particules intégré
EP4374968A1 (fr) * 2022-11-22 2024-05-29 Schiedel GmbH Tuyau d'échappement, appareil de purification de gaz d'échappement, procédé de nettoyage d'un tuyau d'échappement et utilisation d'un tuyau d'échappement

Also Published As

Publication number Publication date
AT506397A4 (de) 2009-09-15
EP2163309A3 (fr) 2011-01-05
AT506397B1 (de) 2009-09-15

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