PRESSURIZING-TYPE CONVERTER EXHAUST GAS TREATING APPARATUS AND ITS OPERATING METHOD

PURPOSE:To secure safety and to improve gas recovering efficiency by blowing air into a closed converter under the prescribed condition at the time of starting and finishing operation in the converter and purging inner part gas in the system with inert gas generated with combustion of CO gas. CONSTI...

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Bibliographische Detailangaben
Hauptverfasser:	NISHIKAWA MASUMI, OGATA SEIJI, FUJIKURA NOBUYUKI, OKI MIKIO, ICHIJI KATSUHIRO
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING CHEMISTRY DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS,IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KINDOF FURNACE FURNACES HEATING KILNS LIGHTING MECHANICAL ENGINEERING METALLURGY METALLURGY OF IRON OVENS PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL RETORTS TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS WEAPONS
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Beschreibung
Zusammenfassung:	PURPOSE:To secure safety and to improve gas recovering efficiency by blowing air into a closed converter under the prescribed condition at the time of starting and finishing operation in the converter and purging inner part gas in the system with inert gas generated with combustion of CO gas. CONSTITUTION:At the time of operating the converter 1, gap between the furnace hole in the converter 1 and a gas cooler 3 is closed with a closing device 4 and the inner part in the system is pressurized with the gas generated with oxygen from an oxygen blowing device 2, and the gas is carried, and cooling, dust-collecting and feeding-out of gas are executed. In this pressurizing-type converter exhaust gas treating apparatus, at the time of starting, etc., the operation in the converter 1, the prescribed quantity of air is blown into the system in the closed converter 1 for the prescribed time and with the prescribed pattern. Then the CO gas in the system is burnt and inner part gas in the system is purged with the generated inert gas.