EP0092854A1 - Electrofiltre humide pour les effluents d'un convertisseur - Google Patents

Electrofiltre humide pour les effluents d'un convertisseur Download PDF

Info

Publication number
EP0092854A1
EP0092854A1 EP83200197A EP83200197A EP0092854A1 EP 0092854 A1 EP0092854 A1 EP 0092854A1 EP 83200197 A EP83200197 A EP 83200197A EP 83200197 A EP83200197 A EP 83200197A EP 0092854 A1 EP0092854 A1 EP 0092854A1
Authority
EP
European Patent Office
Prior art keywords
electrodes
electrostatic precipitator
wet electrostatic
gas
precipitation electrodes
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
EP83200197A
Other languages
German (de)
English (en)
Other versions
EP0092854B1 (fr
Inventor
Heribert Baab
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.)
GEA Group AG
Original Assignee
Metallgesellschaft AG
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 Metallgesellschaft AG filed Critical Metallgesellschaft AG
Publication of EP0092854A1 publication Critical patent/EP0092854A1/fr
Application granted granted Critical
Publication of EP0092854B1 publication Critical patent/EP0092854B1/fr
Expired legal-status Critical Current

Links

Images

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
    • H01J29/10—Screens on or from which an image or pattern is formed, picked up, converted or stored
    • H01J29/18—Luminescent screens
    • H01J29/30—Luminescent screens with luminescent material discontinuously arranged, e.g. in dots, in lines
    • H01J29/32—Luminescent screens with luminescent material discontinuously arranged, e.g. in dots, in lines with adjacent dots or lines of different luminescent material, e.g. for colour television
    • H01J29/327—Black matrix materials
    • 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
    • B03C3/16—Plant or installations having external electricity supply wet type

Definitions

  • the invention relates to a wet electrostatic precipitator for horizontal gas passage for dedusting converter exhaust gases.
  • scrubbers have often been used to dedust converter exhaust gases. They usually consist of a cooling and saturation stage and the actual washing stage. In the first stage, the exhaust gases are cooled to 60 to 80 ° C. It has a pressure drop of 200 to 400 mm WS, while a pressure drop of 1200 to 1400 mm WS is required for the second stage.
  • the dedusting effect of such washers is limited to about 100 mg / Nm 3 because of the fineness of the dust.
  • Precipitation electrode plates the height of which - depending on the type of dust and the other conditions - exceed 3 to 5 m, are therefore ruled out because they can no longer be effectively rinsed.
  • the converter exhaust gases are usually saturated before entering the separation fields, so that condensate is also deposited on the precipitation electrodes together with the moist dust. Since the converter exhaust gases occur intermittently, there is enough time in the blow breaks of the converter to clean the precipitation electrodes by spraying flushing liquid. A continuous rinse is therefore not necessary.
  • the flushing is switched off in order to be able to operate the electrostatic precipitator with the highest possible voltage and to avoid impairment of the voltage regulation by sprayed-in liquid droplets.
  • a method for operating the wet electrostatic filter according to the invention is proposed, which is characterized in that the wet cleaning takes place by spraying liquid jets against the precipitation electrodes in each case in the work breaks of the filter with the high voltage switched on.
  • plate-shaped precipitation electrodes 9 are arranged in a circular cylindrical housing 1 parallel to the gas flow direction and suspended in the housing 1 via removal devices 13.
  • the separation fields are subdivided in height, the upper parts being designated 5 and the lower parts 6. Accordingly, separate removal devices 13 must also be provided.
  • the precipitation electrodes 9 of the lower part 6 are arranged offset by half a lane width in relation to the precipitation electrodes 9 of the upper part 5, which will be discussed in more detail in connection with FIG. 5. Outside of the housing 1 is a part of the removal devices 4 for the spray electrodes.
  • FIG. 2 how the separating fields 2 and 3 arranged in the housing are arranged one behind the other in the direction of gas flow and differently divided in height into upper and lower parts 5 and 6 (division level 7).
  • the direction of gas flow is indicated by an arrow. 4 again designates the upper parts of the removal device for the spray electrodes.
  • the cross section according to FIG. 3 shows how the precipitation electrodes 9 and the spray electrodes 11 are arranged alternately transversely to the gas flow direction.
  • the removal devices for the precipitation electrode 9 have been omitted.
  • the removal devices 4 for the spray electrodes 11, consist of insulators arranged in special housings above the actual filter housing 1, to which support rods are fastened, which in turn are connected to the support frames for the wire or ribbon-shaped spray electrodes. Details have not been presented because they belong to the prior art. It should only be mentioned that the components appearing approximately semicircular also belong to the removal system 4 for the spray electrodes 11. They are arranged in front of and behind the fields of the precipitation electrodes in the gas flow direction and ensure the removal and equidistant adjustment of the frames for the spray electrodes 11.
  • FIG. 4 shows the rinsing device together with the precipitation electrodes 9.
  • the rinsing pipes 10 are supplied with liquid which is sprayed against the precipitation electrodes 9 under pressure by means of spray nozzles.
  • the rinsing tubes 10 for the lower part of the precipitation electrodes 9 are simultaneously used to adjust the lower ends of the precipitation electrodes 9 of the upper part. In this way it is possible to realize the inevitable subdivision in height without taking up a lot of space and to limit the "field-free" gas flow cross-section to a minimum. In connection with the offset arrangement of the precipitation electrodes 9, an optimal cleaning is also ensured.
  • the precipitation electrodes 9 are arranged, namely in the lower part by a half aisle width B compared to the upper one Part offset.
  • the wash pipes 10 are arranged as the upper collecting electrodes 9 and allow the same plane an optimal A North drying of the spray nozzles 12 and the already mentioned lateral adjustment of the upper collecting electrodes.
  • an optimal utilization of the housing cross-section available for the gas flow is achieved without any restrictions being accepted with regard to the necessary distances of the spray system from the precipitation electrodes and the devices for supplying and spraying the cleaning liquid Need to become.
  • the plate height which was limited with regard to the cleaning of the precipitation electrodes, on the one hand, and the large gas flow cross-section required, on the other hand, could be implemented constructively in a pressure-resistant wet electrostatic precipitator.
  • a dedusting device is now available which, compared to washers, enables a much better gas cleaning with a significantly lower energy expenditure.

Landscapes

  • Electrostatic Separation (AREA)
  • Treating Waste Gases (AREA)
EP83200197A 1982-04-24 1983-02-08 Electrofiltre humide pour les effluents d'un convertisseur Expired EP0092854B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19823215400 DE3215400A1 (de) 1982-04-24 1982-04-24 Nasselektrofilter fuer konverterabgase
DE3215400 1982-04-24

Publications (2)

Publication Number Publication Date
EP0092854A1 true EP0092854A1 (fr) 1983-11-02
EP0092854B1 EP0092854B1 (fr) 1986-05-07

Family

ID=6161888

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83200197A Expired EP0092854B1 (fr) 1982-04-24 1983-02-08 Electrofiltre humide pour les effluents d'un convertisseur

Country Status (6)

Country Link
US (1) US4505724A (fr)
EP (1) EP0092854B1 (fr)
JP (1) JPS58189053A (fr)
AU (1) AU560806B2 (fr)
CS (1) CS268657B2 (fr)
DE (2) DE3215400A1 (fr)

Families Citing this family (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE462421B (sv) * 1988-11-04 1990-06-25 Boliden Contech Ab Anordning vid vaatelektrofilter
JPH02177771A (ja) * 1988-12-28 1990-07-10 Nec Home Electron Ltd ゴーストキャンセラ
US20020122751A1 (en) * 1998-11-05 2002-09-05 Sinaiko Robert J. Electro-kinetic air transporter-conditioner devices with a enhanced collector electrode for collecting more particulate matter
US6176977B1 (en) * 1998-11-05 2001-01-23 Sharper Image Corporation Electro-kinetic air transporter-conditioner
US7695690B2 (en) 1998-11-05 2010-04-13 Tessera, Inc. Air treatment apparatus having multiple downstream electrodes
US20070148061A1 (en) * 1998-11-05 2007-06-28 The Sharper Image Corporation Electro-kinetic air transporter and/or air conditioner with devices with features for cleaning emitter electrodes
US20020150520A1 (en) * 1998-11-05 2002-10-17 Taylor Charles E. Electro-kinetic air transporter-conditioner devices with enhanced emitter electrode
US7318856B2 (en) * 1998-11-05 2008-01-15 Sharper Image Corporation Air treatment apparatus having an electrode extending along an axis which is substantially perpendicular to an air flow path
US20050199125A1 (en) * 2004-02-18 2005-09-15 Sharper Image Corporation Air transporter and/or conditioner device with features for cleaning emitter electrodes
US20050210902A1 (en) 2004-02-18 2005-09-29 Sharper Image Corporation Electro-kinetic air transporter and/or conditioner devices with features for cleaning emitter electrodes
US20050163669A1 (en) * 1998-11-05 2005-07-28 Sharper Image Corporation Air conditioner devices including safety features
US6350417B1 (en) * 1998-11-05 2002-02-26 Sharper Image Corporation Electrode self-cleaning mechanism for electro-kinetic air transporter-conditioner devices
US20070009406A1 (en) * 1998-11-05 2007-01-11 Sharper Image Corporation Electrostatic air conditioner devices with enhanced collector electrode
US20030206837A1 (en) 1998-11-05 2003-11-06 Taylor Charles E. Electro-kinetic air transporter and conditioner device with enhanced maintenance features and enhanced anti-microorganism capability
US7220295B2 (en) * 2003-05-14 2007-05-22 Sharper Image Corporation Electrode self-cleaning mechanisms with anti-arc guard for electro-kinetic air transporter-conditioner devices
US6544485B1 (en) * 2001-01-29 2003-04-08 Sharper Image Corporation Electro-kinetic device with enhanced anti-microorganism capability
US7405672B2 (en) * 2003-04-09 2008-07-29 Sharper Image Corp. Air treatment device having a sensor
US7077890B2 (en) * 2003-09-05 2006-07-18 Sharper Image Corporation Electrostatic precipitators with insulated driver electrodes
US20050051420A1 (en) * 2003-09-05 2005-03-10 Sharper Image Corporation Electro-kinetic air transporter and conditioner devices with insulated driver electrodes
US7906080B1 (en) 2003-09-05 2011-03-15 Sharper Image Acquisition Llc Air treatment apparatus having a liquid holder and a bipolar ionization device
US7724492B2 (en) 2003-09-05 2010-05-25 Tessera, Inc. Emitter electrode having a strip shape
US7517503B2 (en) * 2004-03-02 2009-04-14 Sharper Image Acquisition Llc Electro-kinetic air transporter and conditioner devices including pin-ring electrode configurations with driver electrode
US20050095182A1 (en) * 2003-09-19 2005-05-05 Sharper Image Corporation Electro-kinetic air transporter-conditioner devices with electrically conductive foam emitter electrode
US7767169B2 (en) * 2003-12-11 2010-08-03 Sharper Image Acquisition Llc Electro-kinetic air transporter-conditioner system and method to oxidize volatile organic compounds
US20050279905A1 (en) * 2004-02-18 2005-12-22 Sharper Image Corporation Air movement device with a quick assembly base
US7638104B2 (en) * 2004-03-02 2009-12-29 Sharper Image Acquisition Llc Air conditioner device including pin-ring electrode configurations with driver electrode
US20060018812A1 (en) * 2004-03-02 2006-01-26 Taylor Charles E Air conditioner devices including pin-ring electrode configurations with driver electrode
US20060016336A1 (en) * 2004-07-23 2006-01-26 Sharper Image Corporation Air conditioner device with variable voltage controlled trailing electrodes
US20060018810A1 (en) * 2004-07-23 2006-01-26 Sharper Image Corporation Air conditioner device with 3/2 configuration and individually removable driver electrodes
US7311762B2 (en) * 2004-07-23 2007-12-25 Sharper Image Corporation Air conditioner device with a removable driver electrode
US20060018807A1 (en) * 2004-07-23 2006-01-26 Sharper Image Corporation Air conditioner device with enhanced germicidal lamp
US20060018809A1 (en) * 2004-07-23 2006-01-26 Sharper Image Corporation Air conditioner device with removable driver electrodes
US7285155B2 (en) * 2004-07-23 2007-10-23 Taylor Charles E Air conditioner device with enhanced ion output production features
US7833322B2 (en) * 2006-02-28 2010-11-16 Sharper Image Acquisition Llc Air treatment apparatus having a voltage control device responsive to current sensing
DE102014018903A1 (de) * 2014-12-17 2016-06-23 Eisenmann Se Vorrichtung und Verfahren zum Abscheiden von Partikeln aus einem Abluftstrom einer Beschichtungskabine
CN110184410B (zh) * 2019-07-18 2023-12-05 无锡红旗除尘设备有限公司 转炉一次烟气超低排放和消除烟羽的干法除尘系统
CN110184409B (zh) * 2019-07-18 2023-12-05 无锡红旗除尘设备有限公司 转炉一次烟气超低排放消除烟羽的干法电袋组合除尘系统
CN114825985A (zh) * 2022-03-18 2022-07-29 河北邯峰发电有限责任公司 高频电源闭环节能控制器
CN115256078B (zh) * 2022-08-10 2024-04-26 湖北华宁防腐技术股份有限公司 一种用于衬里贴合的金属钢材打磨装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE322188C (de) * 1918-12-05 1920-06-22 Siemens Schuckertwerke G M B H Elektrische Anlage zur Reinigung von Gasen
FR1081309A (fr) * 1952-07-21 1954-12-17 Metallgesellschaft Ag Dispositif d'arrosage pour électro-filtres fonctionnant par la voie humide
FR2027843A1 (fr) * 1969-01-07 1970-10-02 Metallgesellschaft Ag
US4189308A (en) * 1978-10-31 1980-02-19 Research-Cottrell, Inc. High voltage wetted parallel plate collecting electrode arrangement for an electrostatic precipitator

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA553908A (fr) * 1958-03-04 H. Richards David Precipitateurs electrostatiques
FR18407E (fr) * 1912-07-31 1914-04-24 Erwin Moeller Procédé et appareil pour la captation électrique de corps en suspension dans les fluides isolants et particulièrement dans les gaz
US1250088A (en) * 1914-04-18 1917-12-11 Int Precipitation Co Process and apparatus for separation of suspended particles from gases.
US1794616A (en) * 1927-05-28 1931-03-03 Int Precipitation Co Apparatus for electrical precipitation
FR904334A (fr) * 1943-11-12 1945-11-02 Zschocke Werke Ag Procédé pour l'épuration électrique des gaz ccntenant des poussières à l'aide d'électro-filtres humides comportant des électrodes à plaques, tubes ou fils
US2588364A (en) * 1947-05-16 1952-03-11 Koppers Co Inc Electrostatic precipitator
US2847802A (en) * 1954-03-16 1958-08-19 Jr William Cecil Bryan Grinding apparatus
CA950401A (en) * 1970-06-22 1974-07-02 Olaf Nigol Separation and removal of selected gas components from gaseous mixtures
DE2635789C2 (de) * 1976-08-09 1982-08-12 Vsesojuznyj naučno-issledovatel'skij gorno-metallurgičeskij institut cvetnych metallov, Ust-Kamenogorsk, Vostočno-Kasachstanskaja oblast' Horizontalelektroabscheider zur Entstaubung von staubhaltigen Schwefelgasen

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE322188C (de) * 1918-12-05 1920-06-22 Siemens Schuckertwerke G M B H Elektrische Anlage zur Reinigung von Gasen
FR1081309A (fr) * 1952-07-21 1954-12-17 Metallgesellschaft Ag Dispositif d'arrosage pour électro-filtres fonctionnant par la voie humide
FR2027843A1 (fr) * 1969-01-07 1970-10-02 Metallgesellschaft Ag
US4189308A (en) * 1978-10-31 1980-02-19 Research-Cottrell, Inc. High voltage wetted parallel plate collecting electrode arrangement for an electrostatic precipitator

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
CHEMICAL ABSTRACTS, Band 80, Nr. 18, 6. Mai 1974, Seite 253, Nr. 99784v, Columbus, Ohio, USA & JP - A - 73 94667 (SUMITOMO SHIPBUILDING AND MACHINERY CO., LTD.) 05.12.1973 *

Also Published As

Publication number Publication date
JPH0335983B2 (fr) 1991-05-30
JPS58189053A (ja) 1983-11-04
AU1391283A (en) 1983-10-27
CS276983A2 (en) 1989-08-14
US4505724A (en) 1985-03-19
DE3363327D1 (en) 1986-06-12
CS268657B2 (en) 1990-04-11
DE3215400A1 (de) 1983-10-27
EP0092854B1 (fr) 1986-05-07
AU560806B2 (en) 1987-04-16

Similar Documents

Publication Publication Date Title
EP0092854B1 (fr) Electrofiltre humide pour les effluents d'un convertisseur
DE2810735C2 (de) Elektrische Gasreinigungsvorrichtung
DE3927701A1 (de) Verfahren und anlage zur reinigung eines gases mit festen und gasfoermigen beimengungen
DE2320694A1 (de) Elektrostatischer nassabscheider
EP2324928A1 (fr) Dispositif de séparation du brouillard de peinture excédentaire
DE102008046411A1 (de) Vorrichtung zum Abscheiden von Lack-Overspray
EP0047432A1 (fr) Procédé de nettoyage en plusieurs étapes de l'air pollué d'une cabine de projection de peinture ou de vernis
DE1807327B2 (de) Vorrichtung zum abscheiden von schwebestoffteilchen aus einem gas
EP0039669A2 (fr) Filtre à air électrostatique
EP0563081B1 (fr) Procede pour le nettoyage d'un separateur de gouttelettes et separateur de gouttelettes avec dispositif de nettoyage
DE3827062C2 (fr)
DE3329638A1 (de) Vorrichtung fuer die entstaubung von industriellen gasen
EP0561351B1 (fr) Arrangement pour le nettoyage de l'air évacué d'une cabine de pulvérisation de peinture
DE3329637C2 (de) Vorrichtung für die Entstaubung industrieller Gase
WO1989004724A1 (fr) Filtre electrostatique pour la separation continue de particules solides ou fluides en suspension dans un courant de gaz
DE908370C (de) Elektrischer Gasreiniger
DE2235531A1 (de) Verfahren und einrichtung zum entfernen von fremdstoffteilchen u. dgl. aus einem gasstrom
EP1842960B1 (fr) Procédé et dispositif destinés au nettoyage d'une surface d'une bande mobile
WO1990006181A1 (fr) Procede de separation electrostatique de particules solides et d'aerosols contenus dans des gaz
AT405143B (de) Verfahren zur elektrostatischen reinigung und einrichtung zur durchführung des verfahrens
DE975489C (de) Vernebelungseinrichtung fuer mit Spuelvorrichtung versehenes Nasselektrofilter
DE7024076U (de) Vorrichtung zum ausscheiden von staeuben aus gasen
AT392421B (de) Verfahren zur abscheidung von aerosolen und feinstaeuben
DE2710619C2 (de) Naßelektroabscheider
DE102009054012A1 (de) Spülung von Tropfenabscheidern

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Designated state(s): AT BE DE FR IT LU NL SE

17P Request for examination filed

Effective date: 19831207

RBV Designated contracting states (corrected)

Designated state(s): BE DE FR

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): BE DE FR

REF Corresponds to:

Ref document number: 3363327

Country of ref document: DE

Date of ref document: 19860612

ET Fr: translation filed
PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 19901214

Year of fee payment: 9

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: BE

Payment date: 19910305

Year of fee payment: 9

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 19910313

Year of fee payment: 9

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Effective date: 19920228

BERE Be: lapsed

Owner name: METALLGESELLSCHAFT A.G.

Effective date: 19920228

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Effective date: 19921030

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Effective date: 19921103

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST