METHOD OF GRINDING CEMENT

PCT No. PCT/SE93/01049 Sec. 371 Date Oct. 16, 1995 Sec. 102(e) Date Oct. 16, 1995 PCT Filed Dec. 3, 1993 PCT Pub. No. WO94/13596 PCT Pub. Date Jun. 23, 1994A method of continued grinding of cement is disclosed in order to obtain cement with a high specific surface and/or a steep grain size distribut...

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1. Verfasser:	LIDSTROEM, LARS
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE CRUSHING, PULVERISING, OR DISINTEGRATING CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL LIME, MAGNESIA METALLURGY MILLING GRAIN PERFORMING OPERATIONS PREPARATORY TREATMENT OF GRAIN FOR MILLING REFRACTORIES SLAG TRANSPORTING TREATMENT OF NATURAL STONE
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Zusammenfassung:	PCT No. PCT/SE93/01049 Sec. 371 Date Oct. 16, 1995 Sec. 102(e) Date Oct. 16, 1995 PCT Filed Dec. 3, 1993 PCT Pub. No. WO94/13596 PCT Pub. Date Jun. 23, 1994A method of continued grinding of cement is disclosed in order to obtain cement with a high specific surface and/or a steep grain size distribution curve. The grinding is performed in a mill with agitated grinding medium from a specific surface of 300-400 m2/kg (Blaine) to a specific surface of up to 1,200 m2/kg (Blaine) and with a particle size distribution such that about 80% of the particles pass a sieve opening with a size up to about 25 microns, using grinding bodies with an average size within the interval of 2 to 15 mm.