METHOD FOR CLEANING INSIDE OF PRESSURE REDUCTION FACILITY AND SELECTOR VALVE

PROBLEM TO BE SOLVED: To provide a method for cleaning the inside of a pressure reduction facility, wherein the inner face of a duct is surely cleaned in a wide range without much construction costs or running costs, and also to provide a selector valve. SOLUTION: In this method for cleaning the ins...

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Bibliographische Detailangaben
Hauptverfasser:	HAYAKAWA RYUZO, YAMAGUCHI TOSHIKI, ASANO SANJI, SHINKAI AKIO, MORI YUICHIRO
Format:	Patent
Sprache:	eng
Schlagworte:	ACTUATING-FLOATS BLASTING CHEMISTRY CLEANING CLEANING IN GENERAL COCKS DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS,IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KINDOF FURNACE DEVICES FOR VENTING OR AERATING ENGINEERING ELEMENTS AND UNITS FURNACES GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING KILNS LIGHTING MECHANICAL ENGINEERING METALLURGY METALLURGY OF IRON OVENS PERFORMING OPERATIONS PREVENTION OF FOULING IN GENERAL PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL RETORTS TAPS THERMAL INSULATION IN GENERAL TRANSPORTING TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS VALVES WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a method for cleaning the inside of a pressure reduction facility, wherein the inner face of a duct is surely cleaned in a wide range without much construction costs or running costs, and also to provide a selector valve. SOLUTION: In this method for cleaning the inside of the pressure reduction facility, a blow nozzle communicated with outside air is installed to a pressure reduction facility, and the outside air is sucked into the facility from the blow nozzle. Also, in this cleaning method, a position for attaching the blow nozzle is around a switch valve in the duct. In this method, an agitation nozzle is installed to a valve seat at the bottom of the switch valve, and other kinds of compressed air are commonly used. The selector valve for this method is also provided. COPYRIGHT: (C)2003,JPO