PRODUCTION OF CARBON-CONTAINING REFRACTORY HAVING DEFINITE SHAPE

PURPOSE:To improve the compactness of a definite-shaped refractory having large size and high carbon content and to provide a process for producing a carbon-containing refractory having definite shape and remarkably improved durability. CONSTITUTION:The addition of a phenolic resin to refractory agg...

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Bibliographische Detailangaben
Hauptverfasser:	SAMEJIMA KENICHI, NOMIYAMA SHUICHI, NISHIMURA DAIJIRO
Format:	Patent
Sprache:	eng
Schlagworte:	ARTIFICIAL STONE BLASTING CASTING CASTING OF METALS CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES 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 PERFORMING OPERATIONS POWDER METALLURGY REFRACTORIES RETORTS SLAG TRANSPORTING TREATMENT OF NATURAL STONE WEAPONS
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Beschreibung
Zusammenfassung:	PURPOSE:To improve the compactness of a definite-shaped refractory having large size and high carbon content and to provide a process for producing a carbon-containing refractory having definite shape and remarkably improved durability. CONSTITUTION:The addition of a phenolic resin to refractory aggregate as a binder gives a molding material exhibiting sufficiently high strength at the initial stage of the drying process after molding by the cure-acceleration action of ferric chloride, aluminum chloride and stannous chloride added to the aggregate together with the phenolic resin. The swelling called as spring-back and the generation of crack can be prevented by this process to obtain a refractory having excellent corrosion resistance and spalling resistance.