Mixer for impregnating particles in a mass with a binding material

摘要

The mixer comprises a rotary shaft 7 passing through a stationary hopper 1, carrying a perforated rotating tray 3 and having, passing through it, a conduit 6 ending in a spraying nozzle 8, a spraying chamber 5 and a rotary assembly consisting of a stirrer 9 and a conical tray 10. …The rotary assembly is connected by arms 11 to the tray 3. A conical tray 10 dips into a mixing chamber 12 equipped with counter blades 13 and rotating in a direction opposite to that of the rotary assembly. …Permits an excellent impregnation in bulk by virtue of the intimate contact and of the mixing of the coated particles. ……