System for charging particles entrained in a gas stream

A system for charging dust and the like particles entrained in a gas stream and which are to be electrostatically precipitated. An emitter electrode is disposed in the gas stream for producing ions of one polarity which charge particles in the gas stream. These ions of one polarity and the charged p...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	PENNEY, GAYLORD W
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS CORONA DEVICES ELECTRICITY GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLIDMATERIALS OR FLUIDS MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROMSOLID MATERIALS OR FLUIDS OVERVOLTAGE ARRESTERS USING SPARK GAPS PERFORMING OPERATIONS SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATICTABLES OR JIGS SPARK GAPS SPARKING PLUGS TRANSPORTING
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Beschreibung
Zusammenfassung:	A system for charging dust and the like particles entrained in a gas stream and which are to be electrostatically precipitated. An emitter electrode is disposed in the gas stream for producing ions of one polarity which charge particles in the gas stream. These ions of one polarity and the charged particles are attracted to a surface on which at least a portion of the charged particles collect. The invention resides in the use of a second emitter electrode for producing ions of the opposite polarity which neutralize the ions of the first polarity which have been attracted to the surface and prevent the build-up of a voltage gradient across the particle layer on the surface.