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Nowadays, calcined kaolin, calcined bentonite and activated fire clay have become essential non-metallic mineral raw materials used for ceramic fillers, rubber plastic filling agents, coatings, petrochemical adsorbents and the paper-making industry. After clay removes crystal water through high temperature calcination, its material hardness increases and stricter standards are imposed on powder classification. Ordinary grinding equipment is prone to common troubles including over-grinding, reduced whiteness, limited output and excessive dust emission.
To satisfy market demands covering variable powder fineness, mass scale production and premium ultrafine powder of calcined clay, Zenith’s three flagship grinding machines accommodate all working condition requirements of the complete calcined clay grinding production line. They help deep-processing clay projects improve product quality and operating efficiency as well as raise the added-value of finished products.
Top choice LM Vertical Roller Mill for Large Scale Coarse to Fine Powder Production
High temperature calcined clay agglomerates gain higher hardness. For mass production of regular calcined clay powder ranging from 30 mesh to 400 mesh, LM Vertical Roller Mill serves as the core host machine for large scale production lines.
The unit integrates crushing, drying, grinding, classification and sealed conveying into one piece equipment. Even when stockpiled calcined clay absorbs moisture and retains residual water, the built in hot air drying system performs drying alongside grinding. This eliminates standalone dryers, streamlines the production line workflow and cuts civil construction costs for workshops.
It adopts the bed compression grinding principle for gentle material comminution without violently shattering the lamellar crystal structure of calcined clay. Finished powder activity stays high and whiteness remains stable. The overall energy consumption is over 35 % lower than conventional ball mills, and the thin oil lubrication system supports round the clock continuous heavy duty operation.
Well suited for bulk production at large calcined clay mines and building material & ceramic raw material plants. Fully sealed negative pressure operation paired with dust removal devices enables straightforward compliance with factory environmental protection standards. The mill can also process diverse materials such as mineral slag and coal powder to achieve multi purpose functionality.
Main Flexible Processing Grinding Equipment for Medium and Small Plants MTW European Trapezium Grinding Mill
For medium and small scale calcined clay processing factories and production projects with multi specification orders, MTW European Trapezium Grinding Mill stands out as the cost effective preferred model.
The optimized curved surface structure of grinding rollers and grinding rings improves compression force adaptation for clay with increased hardness after calcination, delivering evenly sized powder particles and low impurity content.
The complete thin oil lubrication and maintenance system equipped on the whole machine ensures stable operation and low failure rates together with convenient routine inspection. The mill comes with complete dust removal connectors for clean and eco-friendly operation. With moderate equipment investment costs, it is applicable to the processing of medium grade calcined clay powder including basic coating fillers, fire clay and common ceramic raw materials and balances production capacity and manufacturing flexibility.
Deep processing of High value added Ultrafine Calcined Clay: XZM Ultrafine Powder Mill
High end coatings, daily chemical raw materials, ultrafine fillers for rubber and plastics as well as the paper coating industry impose strict requirements on ultrafine calcined kaolin powder with required fineness ranging from 325 mesh to 2500 mesh. Under such circumstances, XZM ultrafine powder mill breaks through the production capacity bottleneck of ultrafine powder.
Tailored for the ultrafine deep processing of non-metallic ores, the machine adopts independent frequency-conversion classifying rotors to switch between multiple finished powder fineness specifications flexibly. After calcined clay grinding, finished particles feature narrow particle size distribution, sufficient specific surface area and barely any over ground particles. The premium quality finished powder with satisfactory whiteness and dispersibility meets the standards of high end industrial fillers.
Designed for fine processing powder plants, the complete machine is equipped with vibration reduction, noise reduction and enclosed dust proof structures. It manufactures high profit ultrafine calcined clay micro powder and enables processing factories to get away from cut throat competition for low end powder and make in depth development within the high value added powder sector.
The commercial value of calcined clay is determined by powder fineness, crystal integrity, whiteness and particle size uniformity. Zenith LM vertical roller mill focuses on large scale mass production, MTW European trapezium mill caters to flexible production for medium and small scale plants, and XZM ultrafine powder mill specializes in premium ultrafine powder.
The three types of equipment cover the full fineness range of calcined clay powder from coarse particles to ultrafine micro powder and fuel the industrial upgrading of deep processed non-metallic calcined clay minerals.
