EP2065094A2 - Filtre électrostatique - Google Patents

Filtre électrostatique Download PDF

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Publication number
EP2065094A2
EP2065094A2 EP08405265A EP08405265A EP2065094A2 EP 2065094 A2 EP2065094 A2 EP 2065094A2 EP 08405265 A EP08405265 A EP 08405265A EP 08405265 A EP08405265 A EP 08405265A EP 2065094 A2 EP2065094 A2 EP 2065094A2
Authority
EP
European Patent Office
Prior art keywords
strand
winding drum
electrode
electrostatic precipitator
cleaning
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
EP08405265A
Other languages
German (de)
English (en)
Other versions
EP2065094B1 (fr
EP2065094A3 (fr
Inventor
Heinz Gschwind
Jörg Meister
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.)
Meister Umwelt Technologie AG
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP2065094A2 publication Critical patent/EP2065094A2/fr
Publication of EP2065094A3 publication Critical patent/EP2065094A3/fr
Application granted granted Critical
Publication of EP2065094B1 publication Critical patent/EP2065094B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B03C3/40—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
    • B03C3/02—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
    • B03C3/34—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
    • 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
    • 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
    • B03C2201/04—Ionising electrode being a wire

Definitions

  • the invention relates to an electrostatic precipitator for the separation of dust particles from a gas stream, with at least one attached in a gas flowed through the housing precipitation electrode and with a parallel spaced by her, stretched under tension held spray electrode and periodically acting means for cleaning the collecting electrode.
  • the illustrated electrostatic precipitator 1 has a box-shaped filter housing 2, which encloses numerous, in several rows vertically extending and mutually parallel, tubular collecting electrodes 3 to 7.
  • the gas to be purified flows from an inflow branch 8 to the bottom region 9 of the housing in order to distribute from there to the individual precipitation electrodes 3 to 7, from which it flows out into a head region 10 of the housing to leave this via a discharge port 11.
  • the separation between bottom portion 9 and head portion 10 is effected by a lower and upper horizontal partition wall 12, 13, to which the ends of the collecting electrodes 3 to 7 are tightly secured.
  • the filter housing 2 merges into a shaft 14 delimited by oblique walls, along the bottom region of which extends a screw conveyor 15, through which ash or dust is discharged, which has dropped down from the precipitation tubes 3 to 7 into the shaft 14.
  • each tubular collecting electrode 3 to 7 each extending from a flexible wire spraying electrode 16 to 20, which is releasably connected to the positive pole of a high voltage source of eg 40 kV.
  • a high voltage source eg 40 kV.
  • Fig. 2 Shown pendulum, not shown insulators suspended contact frame 21, the contact webs 22 in a protruding from the respective collecting electrode 3 to 7 each area on the side of the Sprühelektroden 16 to 20 are applied under its own weight.
  • a cable system with attached to a common winding shaft 24 bobbins 25.
  • the corresponding negatively charged precipitation electrodes 3 to 7 are connected to a grounding line 23.
  • Each spraying electrode 16 to 20 extending through an associated collecting electrode 3 to 7 forms a part of a strand 28 that extends longitudinally in each case into an upper and lower winding drum 26, 27 and can be wound onto it.
  • a strand 28 For electrical insulation with respect to the winding drums 26, 27, FIGS this strand 28 an upper and lower, rod-shaped insulating body 29, 30 is provided.
  • the lower winding drums 27 are connected to a rotary drive 32 via a common drive shaft 31 to provide, by winding the strands 28 on the winding drums 27, one each above the collecting electrodes 3 to 7 in this strand 28, e.g. As a brush running cleaning body 33 to pull through the associated tubular collecting electrode 3 to 7 and thus to remove adhering to the inner surface of the material so that it drops down into the shaft 14.
  • a channel-shaped Isolier Sciences 34 is provided for this laterally on the winding drum 27, which is bounded by an extension 35 of a laterally projecting Drummelnabe 36 .
  • a crank arm 37 is provided which extends in the channel direction and thus tangentially away from the drum hub 36 to the outside and at the outer end of an extension pin 39 of the insulating body 30 is attached via a ball joint 40.
  • the hub extension 35 and the crank arm 37 are adapted in their length to the insulating body 30 with its extension pin 39 such that upon pivoting of the insulating body 30 into the Isolier Sciencesement 34 of the spray electrode 16 to 20 facing, a joint connection 41 exhibiting end at a lateral drum opening 42nd arrives in such a way that the strand 28 with its spray electrode 16 to 20 can be safely wound onto the winding drum 27.
  • the after a certain, empirically determined as optimal time program cleaning process begins with the shutdown of the electrical high voltage. Thereafter, the contact frame 21 is pivoted away from the discharge electrodes 3 to 7. Subsequently, the rotary drive 32 of the lower winding drums 27 is turned on. By the rotation of the respective crank arm 37 pivots downward, so that the rod-shaped insulating body 30 sets in its receptacle 34. The winding drum 27 continuously rotates and winds the spraying electrode 16 to 20 until the cleaning body 33 has been completely drawn through the tubular collecting electrode 3 to 7.
  • the respective strand 28 continues via a compensating spring 43 as a steel cable 44, which unwinds from the upper winding drum 26.
  • the upper winding drums 26 of a plurality of spray electrodes 16 to 20 are mounted on a common shaft 45, at the end of a cable drum 46 is attached.
  • a wound on this cable drum 46 produces a fixed end weight 48 under tension and thus holds on the shaft 45, the tension of the Sprühelektroden 16 to 20 even during the cleaning process upright.
  • the tension can be maintained at the spray electrodes 16 to 20 instead of by a weight 48 by a tension spring 50 which is provided in a Schmidtzugseil 51.
  • the Jacobyakseil 51 has an extending from the upper cable drum 46 to the mainspring 50 strand 52 and a wound on a Gegenzugtrommel 53 strand 54.
  • the winding rotation of this Gegenzugtrommel 53 is transmitted via the same shaft 31 as provided for the winding drum 27 by being mounted on the same shaft 31.
  • the only difference is the winding direction, by winding the strand 28 on the winding drum 27 causes a unwinding of the strand 54 of the Schmidtzugtrommel 53 through the described connection on the upper shaft 45.
  • a bias of the tension spring 50 permanently determines the tension on the spray electrodes 16 to 20.
  • Fig.2 illustrates that a constructed according to the described principle electrostatic precipitator 1 can be extended by adding any further combinations of spray and precipitation electrode both longitudinally and transversely arbitrarily, in order to the given for a particular application in each case flow amount of gas to be purified in a simple or cost-effective manner to be able to adapt.

Landscapes

  • Electrostatic Separation (AREA)
EP08405265.3A 2007-11-27 2008-10-22 Filtre électrostatique Active EP2065094B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH18422007 2007-11-27

Publications (3)

Publication Number Publication Date
EP2065094A2 true EP2065094A2 (fr) 2009-06-03
EP2065094A3 EP2065094A3 (fr) 2013-04-24
EP2065094B1 EP2065094B1 (fr) 2016-08-17

Family

ID=56372691

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08405265.3A Active EP2065094B1 (fr) 2007-11-27 2008-10-22 Filtre électrostatique

Country Status (2)

Country Link
EP (1) EP2065094B1 (fr)
DK (1) DK2065094T3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105618732A (zh) * 2015-12-29 2016-06-01 北京钢研高纳科技股份有限公司 一种高温合金粉末的制备方法
CN118548557A (zh) * 2024-07-30 2024-08-27 广州芬尼泳池设备科技有限公司 一种具有静电除尘装置的泳池除湿热泵机组

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0397208A2 (fr) 1989-05-12 1990-11-14 FRITZ EGGER GESELLSCHAFT m.b.H. Séparateur électrostatique pour la purification des gaz
EP1050341A2 (fr) 1999-05-03 2000-11-08 Paul Forsthuber Electrofiltre à tubes contenant des électrodes movibles

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1478798A (en) * 1919-05-27 1923-12-25 Int Precipitation Co Apparatus for electrical treatment of gases
DE490951C (de) * 1924-03-25 1930-04-25 Siemens Schuckertwerke Akt Ges Einrichtung zur Abreinigung rohrfoermiger Niederschlagselektroden elektrischer Gasreinigungsanlagen durch Schaber
US1794074A (en) * 1926-06-19 1931-02-24 Res Corp Of New York Precipitator cleaning device
FR2655570B1 (fr) * 1989-12-12 1992-06-19 Commissariat Energie Atomique Filtre electrostatique pourvu d'un systeme de decolmatage.
DE202007004263U1 (de) * 2007-02-16 2007-07-05 Otto Spanner Gmbh Elektrofilter

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0397208A2 (fr) 1989-05-12 1990-11-14 FRITZ EGGER GESELLSCHAFT m.b.H. Séparateur électrostatique pour la purification des gaz
EP1050341A2 (fr) 1999-05-03 2000-11-08 Paul Forsthuber Electrofiltre à tubes contenant des électrodes movibles

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105618732A (zh) * 2015-12-29 2016-06-01 北京钢研高纳科技股份有限公司 一种高温合金粉末的制备方法
CN105618732B (zh) * 2015-12-29 2017-07-25 北京钢研高纳科技股份有限公司 一种高温合金粉末的制备方法
CN118548557A (zh) * 2024-07-30 2024-08-27 广州芬尼泳池设备科技有限公司 一种具有静电除尘装置的泳池除湿热泵机组

Also Published As

Publication number Publication date
EP2065094B1 (fr) 2016-08-17
EP2065094A3 (fr) 2013-04-24
DK2065094T3 (en) 2016-11-28

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