Comparison of Ultrafine Stirred Mill and Vertical Ultrafine Mill in the Desulfurization Process for Coal-Water Slurry

Release time:

2026-05-11 09:19

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In slurry processing applications involving desulfurization or specialized chemical catalytic reactions, the uniformity of the feed and its specific surface area are critical parameters that determine the reaction rate. While conventional ultrafine stirred mills can reduce particle size, they often encounter insufficient local grinding when handling high-viscosity, high-solids-content coal-water slurries, leading to “ Dead zone ” This phenomenon results in an excessively broad particle size distribution in the final product.

In contrast, the vertical ultrafine mill, with its unique vertical-axis design and high-speed shearing mechanism, forces the feed material to undergo three-dimensional turbulent flow within the grinding chamber. This mechanism effectively eliminates dead zones in the processing operation, ensuring uniform energy input to the coal-powder particles. At the microscopic level, such intense shearing not only reduces particle size but also increases the specific surface area, thereby enhancing the contact area of active components in the coal-water slurry and significantly improving the efficiency of desulfurization or catalytic reactions. For chemical processes that demand high purity and high conversion rates, the narrow particle-size distribution achieved by the vertical ultrafine mill serves as a critical technological safeguard for maintaining consistent product quality.

 

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