for dry and wet grinding iron-free adjustable grain size distribution The Pioneer in Material Processing® GRINDING TECHNOLOGY

Range of application Continuous dry and wet grinding of coarse-grained materials to fine-ground and ultrafine-ground products Machine layout ■ rotating grinding chamber ■ eccentric, high-speed agitator running in counter or co-current direction to the rotating grinding chamber ■ stationary flow deflector Mode of operation The grinding chamber is filled to a capacity of 80 -90 % with spherical grinding media. Unground material is fed down through the hollow flow deflector to a point near the bottom of the chamber, where it is drawn into the agitated media by rotation of the chamber. The material...

Feed material

MaxxMill® MM3 and MM5 These are the models currently available and now in use for the most diverse applications in our customers’ production plants. The EIRICH Test Center is equipped with a MaxxMill® MM3 for dry and wet grinding tests on a production scale. Design options Various geometries and agitators are used to adapt to different applications. Wear elements Tungsten carbide, ceramic and polyurethane are used for wear protection. Grinding media High grinding performance and low wear are guaranteed by EIKORIT® oxide ceramic balls and EIDURIT® steel balls. 11 dependent on feed material and required...

Grinding system MaxxMill® MM3 in the EIRICH Test Center

Dry grinding ... up to d97 = 5 µm Dry grinding with a closed grinding/classifying circuit Using the MaxxClass multiwheel air classifier it is also possible to achieve end fineness values up to d97 = 5 µm. Advantages ■ high grinding effectiveness ■ small space requirement ■ low specific energy consumption ■ free and exact setting of the required final fineness ■ iron-free grinding possible Classifier Coarse material Advantages ■ ultrafine-ground products ■ optimum adjustments for the MaxxMill® and the MaxxClass air classifier ■ high throughput rates ■ low specific energy consumption Classifier...

Application examples ■ aluminum oxide ■ bauxite ■ bentonite ■ calcium carbonate ■ china clay ■ clay ■ diatomite ■ feldspar ■ frits ■ pigments ■ quartz ■ special cement ■ talcum ■ zirconium silicate

Fine grinding of suspensions Advantages ■ fully automatic, continuous operation ■ smooth processing of high-viscosity suspensions ■ no grinding media compression ■ no glide ring seals ■ agitator bearing without product contact ■ small space requirement ■ adaptation/control of product fineness and grain size distribution ■ low specific energy consumption ■ suitable for pendulum and circulation modes of operation ■ coarse raw material admitted ■ can be operated in combination with classifying equipment ■ iron-free grinding possible Application ■ fine grinding ■ disagglomeration ■ dispersion ■ activation...

MM5 for wet grinding of ceramic slip 0.7 % > 45 µm

Wet/dry finish-grinding ... for the optimization of existing grinding systems Finish-grinding of suspensions and dry solid matters Material from upstream process Drum mill batchwise or continuous operation Feed supply Receiver tank Product / Slurry to downstream process Feed pump Extraction pump Drum mill (wet grinding) with downstream MaxxMill® Drum mill Continuous operation ■ combination with continuous and batch-type mills possible ■ cost-effective increase of capacity with the same fineness of product ■ cost-effective increase of product fineness with the same capacity ■ far lower energy...

MM5 for dry grinding of hard materials for wall and floor tiles MM5 for dry grinding of china clay

Industrial Mixing and Fine Grinding Technology Tradition and innovation since 1863 EIRICH stands worldwide for a comprehensive range of products and services in the field of preparation technology. Its particular focus is on mixing and fine grinding technology, with know-how developed over 150 years of close cooperation with industrial users, universities and research institutions. Pursuing a corporate philosophy of operating internationally and thereby ensuring close proximity to every customer, the EIRICH Group has secured its place in all the key economic regions of the world. The focus is...