SUBSTANCE FOR THE REFRACTORY LINING OF PIG IRON TROUGHS OR THE LIKE

A refractory lining substance for pig iron troughs and the like contains (1) granular refractory material preferably about 30% of which is a 1-3 mm sieve fraction, the remainder being finer, (2) tar 8-15%, preferably 9-12%, preferably containing over 70% pitch and 9-11% C2 resins, and preferably hav...

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Bibliographische Detailangaben
Hauptverfasser:	BORMANS J,NL, HOMAN D,NL, VAN HAAREN W,NL, VISSER R,NL
Format:	Patent
Sprache:	eng
Schlagworte:	ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE LIME, MAGNESIA MANUFACTURE OF IRON OR STEEL METALLURGY METALLURGY OF IRON REFRACTORIES SLAG TREATMENT OF NATURAL STONE
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Beschreibung
Zusammenfassung:	A refractory lining substance for pig iron troughs and the like contains (1) granular refractory material preferably about 30% of which is a 1-3 mm sieve fraction, the remainder being finer, (2) tar 8-15%, preferably 9-12%, preferably containing over 70% pitch and 9-11% C2 resins, and preferably having a viscosity of less than 8,000 cp at 20 DEG C; and (3) has at least 75% of the mass consisting of magnesite. It (4) preferably contains Cr2O3, and (5) may contain ground coal (anthracite and/or bituminous coal and/or coke) from 0-15%, preferably less than 5%, more preferably less than 1%. The processes for making and using same, and troughs lined therewith are also disclosed.