CASTABLE REFRACTORY FOR BLAST FURNACE TROUGH

PROBLEM TO BE SOLVED: To provide a castable refractory for a blast furnace trough, which can prevent crack and peeling of a construction body from occurring, without deteriorating the oxidation prevention function due to BC.SOLUTION: The castable refractory for the blast furnace trough comprises: 40...

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1. Verfasser:	HARAGUCHI KAZUAKI
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 FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL HEATING KILNS LIGHTING LIME, MAGNESIA MANUFACTURE OF IRON OR STEEL MECHANICAL ENGINEERING METALLURGY METALLURGY OF IRON OPEN SINTERING OR LIKE APPARATUS OVENS PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL REFRACTORIES RETORTS SLAG TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS TREATMENT OF NATURAL STONE WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a castable refractory for a blast furnace trough, which can prevent crack and peeling of a construction body from occurring, without deteriorating the oxidation prevention function due to BC.SOLUTION: The castable refractory for the blast furnace trough comprises: 40 mass% to 80 mass% of an SiC component; 10 mass% to 40 mass% of an AlOcomponent contained in a raw material having a particle size of 45 μm or more; and 0.3 mass% to 3.0 mass% of a BC component. The content of an AlOcomponent contained in a raw material having a particle size of less than 45 μm is 6.9 mass% or less.