IMMERSION LANCE

IMMERSION LANCE

PROBLEM TO BE SOLVED: To provide an immersion lance which can remarkably improve the durable service life. SOLUTION: In the immersion lance composed of a lance pipe 1 horizontally arranging a tuyere part 1b at the lower end part of a vertical introducing tube part 1a and a castable refractory 3 cove...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: WASHIO HARUSHICHI, UEMOTO HIDEO, KATO MASATAKA, 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
Online-Zugang:Volltext bestellen
Tags: Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
Beschreibung
Zusammenfassung:PROBLEM TO BE SOLVED: To provide an immersion lance which can remarkably improve the durable service life. SOLUTION: In the immersion lance composed of a lance pipe 1 horizontally arranging a tuyere part 1b at the lower end part of a vertical introducing tube part 1a and a castable refractory 3 covering the outer periphery of the lance pipe, non-linear fiber composed of heat resistant steel containing 3wt.% Si or Al in SUS 430, >=0.2mm diameter and 10-50mm length is added to 2-6wt.% into the castable refractory.