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Product
Classifier Disc Cell Mill
The classifier disc cell mill is divided into three parts:the premix chamber,the grinding chamber,and the classifier.Material is drawn into the premix chamber by an induced draft fan for preliminary mixing,ensuring that the material enters the grinding chamber in a uniform fluidized state.The main component of the grinding chamber is a vertically installed multi-stage rotor,which consists of multiple discs sandwiched between two support disc plates mounted on the main shaft.
The interior wall of the grinding chamber is lined with vertical grooves that are 6 to 8 millimeters deep,and the gap between the rotor discs and the lining strips is 2 to 5 millimeters.When the rotor spins at high speed,it generates turbulent airlow in a"nested"pattern.The airlow pressure,friction,and shearing forces,along with a chamber wind speed of 30 meters per second and a rotor linear speed that can reach up to 120 meters per second,quickly reduce the material intoultra-fine powder.
After grinding,the material is carried by the airflow into the classifier section.The entire system's airflow and the classifier can be adjusted according to the particle size requirements.Larger particles are separated by the classifier wheel and,under the influence of gravity,fallback into the grinding chamber for further grinding until the desired particle size is achieved.
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Powder Equipment
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Technical Advantages
◆ Drying
The process air is heated by coal,electricity,or natural gas,and simultaneously enters the drying chamber with the material for drying.The maximum inlet air temperature can reach up to 580℃.The drying level of the product is controlled by the outlet temperature,with a typical outlet temperature of 105°℃,allowing the moisture content to be controlled to below 0.2%.
◆ Fine Grinding,Crushing,and De-agglomeration
The highest operating linear speed of the impeller and disc blades inside the grinding chamber can reach 120 meters per second.The multiple nested swirls formed between the discs and the special lining plates generate strong airlow impact,friction,and shearing forces that quickly and evenly reduce the material into ultra-fine powder.
◆ UItra-Fine Crushing of Large Particles
The adjustable range for crushing particle size is extensive.The powder particles pass through the classifier's sieve, allowing fine particles that meet the product size requirements to be discharged from the outlet.Larger particles are intercepted and returned to the feed inlet through the return inlet,where they are ground again in the grinding zone. This cycle continues until the particle size meets the specifications.
◆ Surface Coating and Modification of Powders
Powder particles and modifying agents are simultaneously and proportionally fed into the grinding chamber.The modifying agent,in a vaporized or atomized state,fully and evenly contacts the powder particles for complete encapsulation.Depending on actual requirements,2-3 types of modifying media can be added,and the encapsulation and activation modification ratecan reach over 99.5%.
Product Structure
The classifier disc cell mill is an efficient multi-functional mechanical grinder that integrates dispersion,drying, modification,and classification.It consists of the following components.
◆ Grinding Machine Components in Contactwith Material Can Be Made of Different Materials Depending on the Material Being Processed(Partial List Shown).
Product Parameters
Process System
The classifier disc cell mill is a self-induced air-swept system where material is drawn into the system through a negative pressure airstream. Depending on the characteristics of the material,it is conveyed by the actual air flow,controlled by a frequency converter or a volumetric feeder,and carried by the air into the mill's inlet.The processed product is then carried by the airstream from the mill's outlet to a pulse-jet bag filter for collection.The exhaust gas from the system can be released through the system's induced draft fan or recirculated back into the air heater,depending on the actual situation.
According to the actual production needs ofthe customer,we can configure a hot air furnace or electric heating as a heat source device for integrated drying,grinding,and classification treatment.Additionally,a liquid material feeding device can be equipped for encapsulation,drying,grinding,and classification in an integrated process.
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