IMMERSION LANCE FOR POWDER INJECTION

PURPOSE: To effectively prevent the clogging of powdery material for molten metal treatment by a simple constitution. CONSTITUTION: This immersion lance is provided with a supplying tube 2 in which carrier gas passes through the inner part thereof and an outer sheath body 3 composed of refractory. A...

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Bibliographische Detailangaben
Hauptverfasser:	WASHIO HARUSHICHI, SHIROMOTO HIROSHI, UEMOTO HIDEO, MATSUO KAZUAKI, YAGI SHIGEKI, KUROKI TOMOHITO
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY 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:	PURPOSE: To effectively prevent the clogging of powdery material for molten metal treatment by a simple constitution. CONSTITUTION: This immersion lance is provided with a supplying tube 2 in which carrier gas passes through the inner part thereof and an outer sheath body 3 composed of refractory. A partition plate 5 is fixed to the inner flowing passage 2a of the supplying tube 2 along this flowing passage 2a. The powdery material and the carrier gas are allowed to flow toward ejecting holes 4a, 4b arranged at the tip through respective passages of the inner flowing passage 2a partitioned with the partition plate 5. The powdery material and the carrier gas are ejected from the ejecting holes 4a, 4b.