Application of Vertical Wet Mills and Ultra-Nano Pulverizers in the Refinement of Coal-Water Slurry


In modern coal-water slurry preparation processes, the particle size distribution of the feed material ( PSD ) directly determines the final slurry’s flow properties, chemical reactivity, and conversion rate during combustion or reaction. Traditional ball-milling equipment, relying on random collisions, not only consumes extremely high amounts of energy but also struggles to achieve ultrafine particle sizes with a narrow size distribution. In contrast, the technological approach that combines a vertical wet mill with an ultrananofiner fundamentally transforms the mode of energy transfer.

This type of equipment generates powerful centrifugal forces and shear fields through a high-speed rotating grinding chamber, subjecting coal particles to countless high-frequency impacts and shearing forces in an extremely short time, thereby achieving rapid comminution. This Cellular The grinding mechanism can effectively disrupt the original crystalline lattice structure of coal particles, reducing their size to sub-micron or even nanoscale levels. For coal-water slurry processing, this translates into a significant reduction in the slurry’s apparent viscosity, enhanced transport efficiency through pipelines, and effective prevention of rapid sedimentation caused by coarse particles. By precisely controlling equipment rotational speed and media filling ratio, enterprises can flexibly adjust the fineness of the discharged product to meet downstream process requirements, truly achieving from Extensive and fragmented To Precision grinding of the leap.

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