Patent ID: 6772885
Filing Date: 2004-08-10
Classification: B03D

Abstract:
A rotor of a flotation mechanism for concentrating of ores comprising the flotation mechanism being formed of a stator with its blades around a downward tapered rotor suspended on a hollow shaft and the rotor being equipped with a substantially horizontal cover plate and essentially vertical rotor blades which form chambers inside the rotor, air being conducted through the shaft to the chambers, wherein the upper parts of the chambers under the rotor cover plate having aligning means that are downward inclined from their outer edges into the core of the chambers so that they form an angle between 5-70 degrees with the horizontal plan an annular upper surface plate mounted on and the upper surface of said rotor cover plate and said upper surface plate being inclined upwards raising from around the shaft towards the outer edge of the rotor cover plate at an angle between 5-70 degrees with the horizontal plane.