LANCE FOR REACTION FURNACE

PROBLEM TO BE SOLVED: To provide a lance for reaction furnace with which a secondary combustion rate and a ignition efficiency are improved and the lowering of service life of refractories is prevented and a cost-up and the lowering of maintenance can be prevented. SOLUTION: This lance for reaction...

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Bibliographische Detailangaben
Hauptverfasser:	SAWADA TERUTOSHI, SEKIGUCHI TAKESHI, KAWAKAMI MASAHIRO, IWASAKI KATSUHIRO
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY MANUFACTURE OF IRON OR STEEL METALLURGY METALLURGY OF IRON PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a lance for reaction furnace with which a secondary combustion rate and a ignition efficiency are improved and the lowering of service life of refractories is prevented and a cost-up and the lowering of maintenance can be prevented. SOLUTION: This lance for reaction furnace is formed as a sectional type slitting shape and a tip contracting shape to the inlet part of this flowing path and a sectorial shape to the outlet part of this flowing path, and provided with nozzles 20 forming a gas spouting hole for cooling in the center part at the lower end of the lance.