In the heavy calcium carbonate powder processing industry, the stability and compatibility of dry‑method ultrafine production directly determine a plant’s regular mass‑production capacity. Many long‑established powder processing plants often suffer from poor equipment compatibility, limited particle‑size adjustment, and idle old‑equipment waste. There is an urgent demand for proven production‑line solutions tailored to mass‑production requirements. The ball‑mill and classification production line from Qingdao Shina is purpose‑built as a compatible mass‑production unit for dry‑method ultrafine processing of heavy calcium carbonate.

The complete set adopts a well‑proven closed‑loop circulating system design. Its air circuit, material return, grinding and classification modules are precisely proportioned and commissioned, with closely‑connected and well‑matched individual sections. The complete closed‑loop structure enables cyclic material processing. Particles failing to meet specifications automatically flow back for re‑processing, keeping consistent processing conditions for every batch of powder. It accommodates non‑stop large‑volume production rhythms and fully satisfies daily operation requirements of large‑scale plants.

In terms of powder particle‑size control, this production line offers a wide adjustable range. It consistently produces ultrafine heavy calcium carbonate powder from 800 mesh to 2500 mesh, meeting powder specifications for coatings, plastics, building materials, chemical and other industries. Suitable for diversified powder processing requirements, it helps plants expand product portfolios and extend market coverage.