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Product
Disc Cell Mill
Classification:
Product Center
Key words:
Powder Equipment
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Principle of Operation
The main principle of efficient grinding in the disc cell mill is based on a vertically mounted multi-stage rotor.Each rotor consists of multiple grinding disc pieces mounted on two support plates on the central shaft sleeve. Depending on the product and output requirements,a mill can install up to 7 levels of rotor components,with a total of up to 960 discs,ensuring thorough grinding of materials to ensure uniform particle size distribution.
The rotor can rotate at a maximum speed of 6500 revolutions per minute,with the discs running at a speed of 120 meters per second.The lining of the grinding chamber is a uniquely designed grooved plate with reinforcing ribs,with a 3mm gap between the discs and the lining plate.During high- speed operation,the discs and the grooves in the lining plate directly form over 1200 turbulent "nesting cavities,"with airflow speeds exceeding 200 meters per second.Pressure,shear force,and frictional impact force quickly grind the material into ultrafine powder.
Common Materials Processed
TechnicalAdvantages
◆ Drying
The process air is heated by coal,electricity,or natural gas,and simultaneously enters the drying chamberwith the material for drying.The maximum inlet air temperature can reachup to 580℃,and the drying level of the product is controlled by the outlet temperature.The typical outlet temperature is 105℃,and the moisture contentcan be controlled to below 0.2%.
◆ Fine Grinding,Crushing,and e-agglomeration
The highest operating linear speed of the impeller and disc bladesinside the grinding chamber can reach 120 meters per second.The multiple nested swirls formed between the discs and the special lining plates generate strong airflow impact,friction,and shearing forces that quickly and evenly reduce the material into ultra-fine powder.
◆ 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 rate can reach over 99.5%.
Product Parameters
Process System
Disc cell mill is an auto pneumatic conveying system where the material is introduced into the system through a negative pressure airstream.Depending on the characteristics of the material,it is conveyed by the air flow,whichis controlled by a frequency converter or a volumetric feeder, into the mill inlet.The processed material is then carried by the air stream from the mill 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 recycled back into the air heater,depending on the actualsituation.
Based on the actual production needs of the customer,the system can be equipped with a hot air furnace or an electric heating device for integrated drying and grinding treatment.It can also befitted with a liquid material feeding device for integrated encapsulation,drying,and grinding treatment.
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