METHOD FOR CONTROLLING STEAM ACCUMULATOR IN CONVERTER BOILER

PURPOSE:To make an auxiliary boiler unnecessary, to miniaturize the equipment and to make the cost low by controlling supplied steam flow rate according to the steam pressure at the time of supplying the surplus steam of a steam accumulator into the equipment using the steam in the outside of a conv...

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Bibliographische Detailangaben
Hauptverfasser:	OKI MIKIO, SHIGEYAMA YUKINORI
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING CHEMISTRY CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS 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 GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEATING KILNS LIGHTING MECHANICAL ENGINEERING METALLURGY METALLURGY OF IRON OVENS PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL RETORTS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS WEAPONS
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Beschreibung
Zusammenfassung:	PURPOSE:To make an auxiliary boiler unnecessary, to miniaturize the equipment and to make the cost low by controlling supplied steam flow rate according to the steam pressure at the time of supplying the surplus steam of a steam accumulator into the equipment using the steam in the outside of a converter plant. CONSTITUTION:The temp. and the pressure of a boiler circulating water are risen with the sensible heat in exhaust gas absorbed by a hood cooler 4 and radiation cooler 5 from the high temp. exhaust gas produced in the converter operation. The steam in the high pressure condition produced in the boiler drum 6 is once stored in a steam accumulator 18 and the surplus steam is reduced its pressure through a reducing valve 20 and supplied to the equipment 30 using the steam in the outside of the converter plant. At this time, the pressure in the steam accumulator 18 is detected with a pressure detector 24, and the steam flow rate supplied according to the increase or decrease of the steam pressure is controlled throgh a computer 26 for control. By this method, the produced steam can be recovered in high efficiency and the equipment can be miniaturized and inexpensive operation can become possible.