PROCESS FOR MANUFACTURING CALCIUM ALUMINATES

The invention relates to a process for manufacturing calcium aluminates in an industrial furnace (1), according to which fine particles of a raw material that is a source of alumina (Al2O3) and/or ofaluminium (Al) and of a raw material that is a source of calcium oxide (CaO) and/or of calcium (Ca) h...

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Bibliographische Detailangaben
Hauptverfasser:	DEFFRASNES PHILIPPE, SEVER LIONEL, VALERO REMI, SCHROEDER FRANCK
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM,CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THERARE-EARTH METALS CONCRETE INORGANIC CHEMISTRY LIME, MAGNESIA METALLURGY REFRACTORIES SLAG TREATMENT OF NATURAL STONE
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Beschreibung
Zusammenfassung:	The invention relates to a process for manufacturing calcium aluminates in an industrial furnace (1), according to which fine particles of a raw material that is a source of alumina (Al2O3) and/or ofaluminium (Al) and of a raw material that is a source of calcium oxide (CaO) and/or of calcium (Ca) having a median diameter d50 less than or equal to 6000 [mu]m are introduced, continuously, into a tank (15) made of refractory material containing a permanently heated molten bath (11) in order to melt said fine particles of raw material, and a liquid mass of calcium aluminates (16) is recovered, continuously, at the outlet of the tank. 本发明涉及用于在工业炉(1)中制造铝酸钙的方法，根据该方法，将具有小于或等于6000μm的中值直径d50的氧化铝(AlO)和/或铝(Al)来源的原材料以及氧化钙(CaO)和/或钙(Ca)来源的原材料的细颗粒连续引入到容纳持续加热的熔池(11)的由耐火材料制成的槽(15)中以熔化原材料的所述细颗粒，以及在槽的出口处连续回收铝酸钙(16)液体物质。