GAS CLEANING AND ITS APPARATUS

PURPOSE:To efficiently clean a gas, by a method wherein fine particles in the gas are electrically charged by photoelectrons emitted by ultraviolet radiation to a photoelectron emitting material and the gas is cleaned by removal of electrically charged fine particles and purified by mechanical filtr...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SHINOZUKA SHUHEI, FUJII TOSHIAKI
Format:	Patent
Sprache:	eng
Schlagworte:	AIR-CONDITIONING, AIR-HUMIDIFICATION, VENTILATION, USE OF AIRCURRENTS FOR SCREENING BLASTING HEATING LIGHTING MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLIDMATERIALS OR FLUIDS MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROMSOLID MATERIALS OR FLUIDS MECHANICAL ENGINEERING PERFORMING OPERATIONS RANGES SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATICTABLES OR JIGS TRANSPORTING VENTILATING WEAPONS
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Beschreibung
Zusammenfassung:	PURPOSE:To efficiently clean a gas, by a method wherein fine particles in the gas are electrically charged by photoelectrons emitted by ultraviolet radiation to a photoelectron emitting material and the gas is cleaned by removal of electrically charged fine particles and purified by mechanical filtration. CONSTITUTION:An ultraviolet or radiant ray radiating part 9, a photoelectron emitting material 22, an electrically charged particle capturing part 25, and a mechanical filtrating part 26 are installed in a gas flow route from a gas sucking entrance and a gas discharging exit. By using this gas cleaning apparatus, photoelectrons are emitted by radiation of ultraviolet and/or a radiant ray to the photoelectron emitting material 22, fine particles contained in the air are electrically charged by the photoelectrons, and then gas cleaning by removal of the electrically charged particles from the gas and gas purification by mechanical filtration are carried out in random order. As a result, fine particles in air are captured and sterilized efficiently.