DE844593C - Process and device for flocculation of soot and similar weight-wise conductive suspended particles from a carrier gas through an electrostatic precipitator with a downstream settling chamber - Google Patents
Process and device for flocculation of soot and similar weight-wise conductive suspended particles from a carrier gas through an electrostatic precipitator with a downstream settling chamberInfo
- Publication number
- DE844593C DE844593C DEP23458A DEP0023458A DE844593C DE 844593 C DE844593 C DE 844593C DE P23458 A DEP23458 A DE P23458A DE P0023458 A DEP0023458 A DE P0023458A DE 844593 C DE844593 C DE 844593C
- Authority
- DE
- Germany
- Prior art keywords
- electrostatic precipitator
- flocculation
- soot
- gas
- carrier gas
- 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.)
- Expired
Links
Classifications
-
- 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
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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
- B03C3/019—Post-treatment of gases
-
- 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
- B03C3/66—Applications of electricity supply techniques
- B03C3/70—Applications of electricity supply techniques insulating in electric separators
Description
Gegenstand der Erfindung ist ein Verfahren und eine Einrichtung zur Ausflockung von Ruß und gewichtsmäßig ähnlichen, leitenden Schwebeteilchen aus einem Trägergas durch Elektrofilter mit nachgeschaltetem Absetzraum. Bisher bildete dieser Absetzraum eine besondere vom Elektrofilter räumlich getrennte Einheit, die einen verhältnismäßig großen Querschnitt erhielt, um dem elektrisch ausgeft'ockten Gut im Hinblick auf sein geringes Fallgewicht Gelegenheit zum Absinken zu geben, und dementsprechend einen großen Flächenraum einnahm. Eine wesentliche Platzersparnis wird erreicht, wenn der Erfindung gemäß ein Elektrofilter verwendet wird, das in bekannter Weise für einen Gasdurchgang von oben nach unten eingerichtet und mit einer ebenfalls an sich bekannten Ummantelung versehen ist, in .der das aus dem Elektrofilter kommende Gas einmündet, um dann nach oben zum Auslaß umgelenkt zu werden. Die Ummantelung bildet bei einem gegenüber dem Elektrofilter erweiterten Querschnitt einen Raum mit geringerer Strömung, in dem das elektrisch ausgeflockte, aus dem Elektrofilter ausfallende und durch die Umlenkung aus dem Gas ausgeschleuderte Gut zum Absinken gelangt. Das Ausscheiden und Absetzen der Ausflockungen kann nach der Erfindung in einem an den Auslaß der Ummantelung angeschlossenen großräumigen Zyklon mit geringer Strömungsgeschwindigkeit ergänzt oder beendigt werden.The invention relates to a method and a device for Flocculation of soot and conductive suspended particles of similar weight from one Carrier gas through electrostatic precipitator with downstream settling room. So far this formed The sedimentation room is a special unit that is spatially separated from the electrostatic precipitator was given a relatively large cross-section around the electrically tuned good to give the opportunity to sink down in view of its low drop weight, and accordingly took up a large area. A significant space saving is achieved when, according to the invention, an electrostatic precipitator is used, which in known way set up for a gas passage from top to bottom and with a casing, also known per se, is provided in .der that from the Electrostatic precipitator coming gas flows in, to then deflected upwards to the outlet will. The sheathing forms in the case of an enlarged compared to the electrostatic precipitator Cross-section of a space with less flow, in which the electrically flocculated, falling out of the electrostatic precipitator and ejected from the gas by the deflection Sinked well. The precipitation and settling of the flocculates can after of the invention in a large-scale connected to the outlet of the casing Cyclone with low flow velocity can be supplemented or terminated.
Weitere Merkmale und Vorteile der Erfindung ergeben sich aus der Zeichnung und aus der nachfolgenden Beschreibung eines Beispiels der Einrichtung zur Ausführung des Verfahrens nach der Erfindung.Further features and advantages of the invention emerge from the drawing and from the following description of an example of the means of implementation of the method according to the invention.
Abb. i ist eine Seitenansicht zum Teil im Längsschnitt und Abb. 2 ein Grundriß, teilweise im Querschnitt. Bei der dargestellten Einrichtung besteht das Elektrofilter aus einem Röhrenbündel i mit den in den Rohrlängsachsen verlaufenden Ausströmelektroden 2. Das Röhrenbündel ist in eine Ummantelung 3 eingehängt derart, daß am oberen Ende der Ummantelung die mit dem Rohgaseinlaß 4 versehene Kammer 5 gebildet wird, von der aus sich das Gas über das Röhrenbündel i verteilt, um durch die einzelnen Elektrodenrohre nach unten abzuströmen. Das aus den unteren Rohrenden austretende Gas wird innerhalb der Ummantelung 3 bei vergrößertem Querschnitt in der Pfeilrichtung nach oben in den Auslaß 6 umgelenkt. Unterhalb des Röhrenbündels i ist in der Ummantelung 3 ein Raum 7 freigelassen, in den die aus dem Elektrofilter niederfallenden elektrisch ausgeflockten Teilchen absinken und in ihm zur Ruhe kommen. An den Auslaß 6 mit sanfter Querschnittsänderung schließt vorteilhaft ein großräumiger Zyklon 8 an, in dem die restlichen Ausflockunge-n hei geringer Strömungsgeschwindigkeit anfallen, ohne Gefahr zu laufen, auseinandergerissen und von dem abziehenden Reingasstrom wieder erfaßt zu werden.Fig. I is a side view, partly in longitudinal section, and Fig. 2 a plan, partly in cross-section. In the device shown, there is the electrostatic precipitator from a tube bundle i with the tubes running in the longitudinal axes of the tubes Outflow electrodes 2. The tube bundle is suspended in a casing 3 in such a way that that the chamber 5, which is provided with the raw gas inlet 4, is at the upper end of the casing is formed, from which the gas is distributed over the tube bundle i to by to flow down the individual electrode tubes. That from the lower ends of the pipe escaping gas is inside the casing 3 with an enlarged cross-section in deflected upward in the direction of the arrow into the outlet 6. Below the tube bundle i a space 7 is left free in the casing 3, into which the from the electrostatic precipitator falling electrically flocculated particles sink and come to rest in it. A spacious one advantageously closes at the outlet 6 with a gentle change in cross section Cyclone 8, in which the remaining flocculation-n at low flow velocity accrue without running the risk of being torn apart and by the withdrawing stream of clean gas to be grasped again.
Das :Mantelrohr 3 ist über (lern Gaseinlaßraum 3 mit einem Flüssigkeitsverschluß versehen, der in bekännter Form aus dem Gefäß 9 mit Isolierflüssigkeit besteht, in die eine Glocke io eintaucht. Diese Glocke sitzt an dem Träger i i der Ausströmelektroden i, der in der Längsachse des vom Boden des Gefäßes 9 bis unter die Glocke io reichenden Rohrdurchlasses 12 verläuft.The: jacket pipe 3 is over (learn gas inlet space 3 with a liquid seal provided, which in known form consists of the vessel 9 with insulating liquid, into which a bell is immersed. This bell sits on the carrier i i of the discharge electrodes i, the one in the longitudinal axis of the io reaching from the bottom of the vessel 9 to below the bell Pipe passage 12 runs.
Wenn es sich um ein unter Cberdruck stehendes Gas handelt, wird der Innenraum der Ummantelung 3 mit dem Raum 13 des Gefäßes 9 über dem Spiegel der Isolierflüssigkeit außerhalb der Tauchglocke io durch eine Druckausgleichleitung 14 verbunden. Das Mitreißen von Flocken aus dem Mantelraum in den Raum 13 wird in diesem Fall durch ein Filter 15 verhindert.If the gas is under excess pressure, the interior of the casing 3 is connected to the space 13 of the vessel 9 above the level of the insulating liquid outside the immersion bell by a pressure equalization line 14. The entrainment of flakes from the jacket space into the space 13 is prevented by a filter 15 in this case.
An Stelle eines Elektrofilters mit Rohrelektroden der dargestellten Art kann auch jede andere Form mit gassen- oder zellenartiger Unterteilung des von oben nach unten verlaufenden Gasweges verwendet werden.Instead of an electrostatic precipitator with tubular electrodes, the one shown Art can also be any other form with an alley-like or cell-like subdivision of the von gas path running up and down can be used.
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEP23458A DE844593C (en) | 1948-12-03 | 1948-12-03 | Process and device for flocculation of soot and similar weight-wise conductive suspended particles from a carrier gas through an electrostatic precipitator with a downstream settling chamber |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEP23458A DE844593C (en) | 1948-12-03 | 1948-12-03 | Process and device for flocculation of soot and similar weight-wise conductive suspended particles from a carrier gas through an electrostatic precipitator with a downstream settling chamber |
Publications (1)
Publication Number | Publication Date |
---|---|
DE844593C true DE844593C (en) | 1952-07-21 |
Family
ID=7369218
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DEP23458A Expired DE844593C (en) | 1948-12-03 | 1948-12-03 | Process and device for flocculation of soot and similar weight-wise conductive suspended particles from a carrier gas through an electrostatic precipitator with a downstream settling chamber |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE844593C (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3141156A1 (en) * | 1981-10-16 | 1983-04-28 | Robert Bosch Gmbh, 7000 Stuttgart | METHOD AND DEVICE FOR REMOVING SOLID COMPONENTS AND AEROSOLS, ESPECIALLY SOOT COMPONENTS FROM THE EXHAUST GAS FROM COMBUSTION ENGINES |
US4718923A (en) * | 1985-01-08 | 1988-01-12 | Robert Bosch Gmbh | Device for removing solid particles from exhaust gas of an internal combustion engine |
DE4104923A1 (en) * | 1990-08-30 | 1992-03-05 | Asea Brown Boveri | METHOD FOR REMOVING DUST FROM A GAS FLOW AND DUST DUSTING SYSTEM |
-
1948
- 1948-12-03 DE DEP23458A patent/DE844593C/en not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3141156A1 (en) * | 1981-10-16 | 1983-04-28 | Robert Bosch Gmbh, 7000 Stuttgart | METHOD AND DEVICE FOR REMOVING SOLID COMPONENTS AND AEROSOLS, ESPECIALLY SOOT COMPONENTS FROM THE EXHAUST GAS FROM COMBUSTION ENGINES |
US4718923A (en) * | 1985-01-08 | 1988-01-12 | Robert Bosch Gmbh | Device for removing solid particles from exhaust gas of an internal combustion engine |
DE4104923A1 (en) * | 1990-08-30 | 1992-03-05 | Asea Brown Boveri | METHOD FOR REMOVING DUST FROM A GAS FLOW AND DUST DUSTING SYSTEM |
WO1992004122A1 (en) * | 1990-08-30 | 1992-03-19 | Asea Brown Boveri Ag | Process and device for cleaning waste gases |
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