Comminution with the aid of carbide microspheres

Details Comminution with the aid of carbide microspheres Comminution with the aid of carbide microspheres

B - Operations, Transporting

02

C

B02C 17/20 (2006.01)

Patent

CA 2181063

The present invention relates to ultrafine comminution of mineral and organic powders with the aid of ball-milling techniques employing, as the grinding medium, solid (nonporous) metal-carbide microspheres with diameters of from 10 to 100 µm fabricated with the aid of high- temperature plasma-torch reactors from fully liquefied carbides of tungsten, thallium, niobium and vanadium.

L'invention se rapporte à une fragmentation extrêmement fine de poudres minérales et organiques à l'aide de techniques de broyage par billes, le milieu de broyage utilisé étant constitué de microsphères solides (non poreuses) de carbure de métal présentant un diamètre compris entre 10 et 100 µm, fabriquées à l'aide de réacteurs à torche à plasma à haute température, à partir de carbures totalement liquéfiés de tungstène, thallium, niobium et vanadium.

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