REFRACTORY LINING

PROBLEM TO BE SOLVED: To obtain a refractory lining having a reduced wear rate and a prolonged service life as compared with a conventional magnesia-chrome brick as a refractory lining used in a furnace for steel refining, in particular refining facilities for vacuum-treating molten steel. SOLUTION:...

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Bibliographische Detailangaben
Hauptverfasser:	OSAKI HIROSUKE, MAEKAWA AKIYOSHI, NAKAMURA HISASHI, GOTO KIYOSHI
Format:	Patent
Sprache:	eng
Schlagworte:	ARTIFICIAL STONE BLASTING CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE 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 HEATING KILNS LIGHTING LIME, MAGNESIA MECHANICAL ENGINEERING METALLURGY OVENS REFRACTORIES RETORTS SLAG TREATMENT OF NATURAL STONE WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To obtain a refractory lining having a reduced wear rate and a prolonged service life as compared with a conventional magnesia-chrome brick as a refractory lining used in a furnace for steel refining, in particular refining facilities for vacuum-treating molten steel. SOLUTION: The refractory lining comprises a magnesia-carbon brick contg. 3-7 wt.% flake graphite, 1-4 wt.% non-crystalline carbon powder and 1-5 wt.% one or more selected from metal Al, Si and Al-Si. The max. grain diameter of magnesia is preferably