Three-roll mill

A three-roll mill is a wet grinding and dispersing industrial device specifically designed for processing high-viscosity paste/slurry materials. Its core feature is that it has three horizontally parallel rollers.

Product introduction

The three rollers are a slow roller, a medium roller, and a fast roller. Adjacent rollers rotate in opposite directions, with their speeds increasing progressively, and the gaps between the rollers are extremely small:

1. The material first falls into the gap between the slow and medium rollers, where it is subjected to the squeezing force of the roller surfaces;

 

2. The speed difference creates extremely strong shear friction, tearing apart clumps of pigments and powder particles within the material;

 

3. The material then transitions from the medium roller to the faster fast roller, completing a secondary fine grinding process. Finally, a scraper removes the ground product from the fast roller.

 

Grinding three times achieves a particle size of 3~18μm, with excellent fineness control.

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Parameters of S Series Three-Roll Mill
Parameter\Model S65 S100 S150 S200 S260 S315 S405 SM405
Roll Diameter (mm) 65 100 150 200 260 315 405 405
Working Surface Length (mm) 125 250 300 500 695 755 810 1000
Roll Speed (rpm) Slow Roll 32 34 28 19 19 19 15 15
Middle Roll 89 78 66 55 55 55 45 45
Fast Roll 250 181 152 155 155 155 135 135
Motor Power (kW) 0.75 1.1 2.2 4 7.5 11 15 22
Finished Product Fineness 3-18um/3 times
Reference Efficiency 5 30 60 100 180 250 350 430

 

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