Nano ultrafine grinding mill for heavy calcium processing
Release time:
2026-08-18 09:17
Source:
When heavy calcium carbonate is processed from a standard powder to an ultrafine powder, particle fineness significantly affects slurry viscosity, dispersion behavior, and grinding difficulty. The key to ultrafine grinding of powders lies not simply in increasing mill power, but in maximizing the number of effective grinding contacts, ensuring that mechanical energy is directed as much as possible toward particles that still require further size reduction. In wet‑process grinding of heavy calcium carbonate, ceramic grinding media of varying diameters can be selected based on the feed particle size and the target D50 and D97 values: larger balls are used for relatively coarser particles, while smaller balls increase the effective contact area for fine particles. As fineness increases, additional factors—such as dispersant selection, solids content, and slurry temperature rise—must also be considered; otherwise, circulation flow may decline, power consumption may rise, and particle‑size improvement could remain limited.
Cell mills can be used for the continuous wet‑process ultrafine grinding of heavy calcium carbonate, with media gradation and linear velocity adjusted to suit the target product. To determine whether a process is economically viable, one should compare the hourly throughput, specific energy consumption per ton of product, and media consumption once the desired particle size has been achieved.
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