100,000 T/Y Calcium Carbonate Grinding Production Line in Zhejiang
Core Equipment：CRRM1620 Raymond Mill
Processed Materials：Calcium Carbonate（≤30mm）
Production Output：19t/h
Powder Fineness：325 mesh
The CRRM1620 Raymond Mill features robust power, high efficiency, and stable output. The entire system—from crushing to collection—is designed for smooth operation and easy maintenance. Cronus Machinery also provides excellent technical service.
—— Cronus Machine Customer
Project Overview
A large new materials enterprise in Zhejiang required the construction of a modern calcium carbonate grinding production line to achieve efficient, stable, and large-scale production of 325 mesh calcium carbonate powder. After comprehensive evaluation, the client ultimately selected the CRRM1620 Raymond Mill from Cronus Machinery, adopting a "jaw crusher pre-crushing + Raymond mill main grinding" process. This stably produces 325 mesh calcium carbonate powder with a high output of 19 t/h.
Project Details
Calcium Carbonate Mineral → Jaw Crusher → Bucket Elevator → Storage Hopper → Belt Feeder → Raymond Mill
Large calcium carbonate mineral blocks are first crushed by the jaw crusher. Subsequently, they are vertically conveyed by the bucket elevator to the storage hopper, then fed into the CRRM1620 Raymond Mill via the belt feeder for grinding and pulverization. Fine selection is completed through a closed-circuit classification system. Unqualified coarse calcium carbonate powder falls back into the grinding chamber for re-grinding.
Airslide Conveyor → Cyclone Collector → Calcium Carbonate Powder
Qualified 325 mesh calcium carbonate fine powder is carried by the airflow through the airslide conveyor to the cyclone collector, where it is separated and collected.
| Main Equipment | Function Description |
| Jaw Crusher | Responsible for primary crushing of large calcium carbonate mineral blocks |
| Bucket Elevator, Storage Hopper | Vertical conveying and buffering/storage of calcium carbonate raw material |
| Belt Feeder | Responsible for feeding material into the Raymond mill uniformly, quantitatively, and continuously |
| CRRM1620 Raymond Mill | Grinds calcium carbonate mineral (≤30mm) into 325 mesh calcium carbonate powder |
| Airslide Conveyor | Pneumatically conveys calcium carbonate powder |
| Cyclone Collector | Separates and collects the majority of calcium carbonate fine powder |
Project Advantages
High-Efficiency Production: The adopted "jaw crusher pre-crushing + closed-circuit grinding" process ensures stable and efficient system operation, with an annual production capacity of up to 100,000 tons.
Reliable Operation: The core grinding components of the CRRM1620 Raymond Mill are made of high-wear-resistant alloy material, offering long service life and low failure rate.
Excellent Product Quality: The finished calcium carbonate powder stably achieves 325 mesh fineness, with uniform particle size distribution, high whiteness, and low impurity content.
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