Patent ID: 7708216

Claim:
A high turbulence mill for producing supermicro powder, which comprises: a driving device ( 6 ) provided on a base ( 8 ) and comprising a motor and a driving shaft coupled with the motor; a hollow grinding casing ( 21 ) arranged above the base ( 8 ) and having a toothed ring-shaped guide stator ( 18 ) fixed to an inner circumference thereof; a bi-negative pressure turbine ( 16 ) rotatably mounted within the grinding casing ( 21 ) and driven by the driving device ( 6 ), wherein the bi-negative pressure turbine comprises a base plate ( 29 ) and a plurality of blades ( 15 ) provided at both sides of the base plate ( 29 ) and having the same spiral orientation, wherein the blades at either side of the base plate are uniformly arranged in a circumference direction of the base plate; and the blades at one side of the base plate alternate with those at opposite side of the base plate in the circumference direction of the base plate; a hopper ( 1 ) for delivering materials into the grinding casing ( 21 ) via a material feeding pipe ( 4 ); a material discharging pipe ( 9 ) communicated with the grinding casing, for discharging pulverized products; and a control device for electrically controlling the high turbulence mill.