Activation equipment, modified coating machine, mineral powder activation

Release time:

2026-08-27 09:35

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Surface treatment of mineral powders is evolving from the use of single‑agent mixtures toward integrated processes that combine drying, deagglomeration, dispersion, and the synergistic application of multiple modifiers. Composite modification equipment faces increasingly complex operating conditions: for instance, the powder may contain trace amounts of moisture upon entry, while an organic modifier must also be added—requiring simultaneous removal of moisture and prevention of localized agglomeration of the modifying agents.

The honeycomb mill can be configured to integrate hot air, mechanical disintegration, and liquid injection according to process requirements, enabling the continuous-flow drying, deagglomeration, and surface treatment of mineral powders. Temperature windows vary significantly among different materials, and modification systems such as stearic acid, silanes, and coupling agents each have their own specific operating conditions; therefore, a single fixed temperature and rotational speed cannot be used to process all mineral powders. Prior to equipment selection, it is essential to determine the material’s particle size, moisture content, specific surface area, chemical‑agent system, and hourly production rate, followed by calculations of heat input and airflow volume. Ultimately, the effectiveness of the modification should be comprehensively evaluated based on activation degree, oil absorption value, hydrophobicity, particle size, and real‑world application performance.

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