ROTOR-STATOR SYSTEM FOR «WET» GRINDING OF DISPERSE MATERIALS

DABGYQ

Abstract

The description of a construction and work principle of rotor-stator system (RSS) intended for thin grinding of disperse fire- and explosive materials in a liquid inert medium is resulted. For raise of processing efficiency the suspension input equipment in the working chamber of the apparatus is executed in an aspect a nozzle with the cylindrical canal. Nozzle has canoed the entry form. The central part of a rotor is supplied by the flat bumper plate with a notch. From a shearing the nozzle to a bumper plate surface makes distance from 3 till 5 diameters of an aperture of nozzle. Design of RSS expels lodgment the working chamber a comminuted material. It is noted, that the apparatus provides effective grinding of the disperse materials having hardness to 5 units on Moose’s scale. Thus concentration of suspension should not exceed 15% of weights. Working capacity of the apparatus having a radial clearance between a rotor and the stator 0,1·10^-3m, is confirmed at processing of water suspension of sibunit with concentration of a solid phase of 13,5% of weights. It is established, that the basic fraction of the grinding particles has a size (3-10)·10^-6m. The microphotography of particles after processing in RSS is resulted. It is noted, that the gained product has homogeneous disperse composition and can be used in the capacity of the carrying agent for hydrogenation catalysts