Netzsch mill or IsaMill

Netzsch mill or IsaMill utilizes a horizontal shaft media agitator most commonly fitted with discs. Media utilized ranges from prepared fine slag media through sand media and ceramic media in the 1-to-3-mm size range. In the case of the IsaMill, the mill is fitted with an internal centrifugal screen fitted to the impellor for media retention. The application range is similar to the SMD.

The IsaMill is a closed mill. Slurry travels through the mill in a ‘plug’ flow pattern through consecutive grinding discs. Media recirculates between the rotating discs distributing grinding action throughout the IsaMill. Grinding is by attrition and abrasion of the particles in contact with the high speed, small, circulating media. this breakage mode produces very fine sized particles at relatively low power consumption.