Cyclone Mill Modification Process

Synchronous grinding and coating, efficiently meeting diverse needs of the calcium carbonate modification industry

This calcium carbonate modification process using a cyclone mill boasts prominent advantages. Its strong airflow cyclone effect ensures full contact between modifiers and calcium carbonate particles, enabling efficient and uniform dispersion and coating. Equipped with an adjustable classification structure, it has a wide particle size adaptability range. Combined with variable frequency temperature control design, it guarantees stable product quality. The automatic feeding system reduces costs and improves efficiency. The flexible process is compatible with upstream and downstream procedures, integrating multiple functions for energy conservation and easy maintenance.

How it works

The calcium carbonate modification process using a cyclone mill adopts double-layer rotors and fixed grinding rings as its core working components, paired with arc-shaped material guiding devices and interchangeable wear-resistant liners. The classifying impellers and chamber structure are deeply coordinated to meet the processing requirements of calcium carbonate. During operation, the rotor linear speed can reach up to 72 meters per second. After calcium carbonate materials enter the grinding chamber, they gain kinetic energy driven by the high-speed rotating rotors, and form a concentrated flow under the guidance of the material guiding devices. The materials successively undergo impact from the rotors and grinding rings, shearing from the hammer blades, and friction between particles, realizing ultra-fine grinding and refinement of the powder while simultaneously achieving surface coating modification of calcium carbonate particles. Qualified powder is rapidly and accurately separated by the classifying impellers.

Performance and features

Efficient and Uniform Dispersion & Coating

The strong airflow generated during equipment operation creates a cyclone effect. Combined with the optimized flow field design for calcium carbonate particles inside the chamber, materials are dispersed without blind spots. Modifiers fully contact the surface of calcium carbonate particles, significantly improving coating rates and effectively addressing the issues of high hydrophilicity and easy agglomeration of calcium carbonate powder.

Wide Particle Size Adaptability

Equipped with adjustable classifying impellers and screens of different apertures, it meets the coating modification requirements of calcium carbonate powder across various particle size specifications. It is also suitable for fibrous, soft, and medium-to-high hardness calcium carbonate materials, featuring strong applicability to match the application standards of different downstream industries.

Stable Product Quality

The system adopts variable frequency control to optimize particle size adjustment. Some models are equipped with temperature control design to prevent problems such as reduced whiteness of calcium carbonate materials and decomposition of modifiers caused by high temperatures, ensuring consistent modification processes and stable, controllable performance of finished calcium carbonate products.

High Level of Automation

Configured with precision metering and feeding devices as well as negative pressure conveying systems, it realizes automatic and quantitative supply of modifiers. It ensures controllable dosage and low loss, greatly reducing the production cost of calcium carbonate modification while avoiding errors caused by manual addition.

Flexible and Adjustable Process

By adjusting rotor speed, classification parameters, and air draft intensity, it can flexibly adapt to the reaction requirements of different types of modifiers and calcium carbonate particles. It also supports seamless connection with upstream and downstream equipment such as calcium carbonate crushing and classification systems, offering excellent compatibility.

Energy-Saving and Easy Maintenance

Integrating crushing, classification, and coating functions in one, it avoids over-crushing of calcium carbonate materials and achieves lower energy consumption than traditional processes. The wearing parts are easy to replace, and the airflow inside the chamber enables automatic cleaning, reducing equipment maintenance costs and downtime.

Technical Parameters

Parameters / Model	300	480	750	1000	1250	1500
Rotor diameter (mm)	300	480	750	1000	1250	1500
Rotor speed (r/min)	7800	4775	3183	2387	1910	1550
Particle size (μm)	5~250	5~250	5~250	5~250	5~250	5~250
Air volume(max) (m³/min)	1200	2100	3300	4500	5100	6500
Output (kg/h)	30~800	80~2000	100~3000	200~4500	300~6000	400~10000
Power (kW)	18.5	45	75	110	132~160	160~200
Net weight (kg)	500	1100	2300	3000	3600	6000

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