Blast furnace bottom structure

A blast furnace bottom structure has a furnace body (furnace bottom mantel (10)) built on a foundation (5), leg members (113) provided between the foundation (5) and the furnace body to form a horizontally extending gap (50) between the foundation (5) and the furnace body, and cooling pipes (118) as...

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Bibliographische Detailangaben
Hauptverfasser:	WATANABE KAZUYOSHI, KURAYOSHI KAZUMI, ANAN KUNIYOSHI, KAWAOKA KOJI, TAKASAKI HIROSHI
Format:	Patent
Sprache:	chi ; 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 FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL HEATING KILNS LIGHTING MANUFACTURE OF IRON OR STEEL MECHANICAL ENGINEERING METALLURGY METALLURGY OF IRON OPEN SINTERING OR LIKE APPARATUS OVENS RETORTS WEAPONS
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Beschreibung
Zusammenfassung:	A blast furnace bottom structure has a furnace body (furnace bottom mantel (10)) built on a foundation (5), leg members (113) provided between the foundation (5) and the furnace body to form a horizontally extending gap (50) between the foundation (5) and the furnace body, and cooling pipes (118) as means for blocking transfer of heat from the furnace body to the foundation. Because the gap (50) is an air layer, it suppresses heat transfer, and heat transfer from the leg members (113) is suppressed by cooling by the cooling pipes (118). In demolition of the furnace body, the foundation (5) and the furnace body can be separated from each other by utilizing the gap (50).