30,000 T/Y Heavy Calcium Carbonate Ultrafine Grinding Production Line in Anhui
Core Equipment：CRLM Ultrafine Vertical Mill
Processed Materials：Calcium Carbonate（≤30mm）
Production Output：1~6t/h
Powder Fineness：800~2500 mesh
The classification system of Cronus Machinery's CRLM Ultrafine Vertical Mill demonstrates high precision, enabling smooth product switching across a range of 800~2500 mesh with accurate fineness control. This system is stable and reliable.
—— Cronus Machine Customer
Project Overview
A leading powder enterprise in Anhui decided to build a heavy calcium carbonate ultrafine grinding production line to meet the requirements of industries such as coatings, plastics, and sealants. The core of the project is to achieve large-scale, intelligent, and clean production of ultrafine powder in the range of 800~2500 mesh. After comparing multiple equipment manufacturers, the enterprise ultimately chose Cronus Machinery, adopting a full-process intelligent system centered on the CRLM Ultrafine Vertical Mill.
Project Details
Heavy Calcium Carbonate Mineral → Jaw Crusher → Bucket Elevator → Raw Material Storage
Crushed heavy calcium carbonate material is vertically conveyed by the bucket elevator to the raw material storage.
Enclosed Batch Feeder → Ultrafine Vertical Mill
Then smoothly transferred via the enclosed batch feeder to the CRLM Ultrafine Vertical Mill for grinding and pulverization. The ground heavy calcium carbonate powder rises with the airflow to the precision classifier. By adjusting the classifier speed, the separation critical point can be precisely controlled. Coarse heavy calcium carbonate particles that do not meet the fineness requirement are separated and fall back onto the grinding disc for re-grinding, forming a closed-circuit circulation system.
Dust Collection System → Tank Pump Conveying → Automatic Packaging and Palletizing System
Subsequently, the qualified heavy calcium carbonate ultrafine powder is separated and collected by the dust collection system, then conveyed sealedly to the finished product silo for storage via pneumatic conveying systems such as tank pumps. Finally, the fully automatic packaging and palletizing system completes weighing, filling, and sealing.
Main Equipment | Function Description |
Jaw Crusher | Responsible for primary crushing of heavy calcium carbonate minerals |
Enclosed Batch Feeder | Feeds material into the vertical mill precisely, uniformly, and in a sealed manner |
CRLM Ultrafine Vertical Mill | Grinds heavy calcium carbonate material (≤30mm) into 800~2500 mesh heavy calcium carbonate ultrafine powder |
Dust Collection System | Separates and collects heavy calcium carbonate ultrafine powder and purifies excess dust |
Tank Pump Conveying System | Ensures heavy calcium carbonate ultrafine powder enters the finished product silo sealedly and without loss |
Fully Automatic Packaging and Palletizing System | Automated packaging system with high packaging efficiency |
Project Advantages
Precise Control: The CRLM Ultrafine Vertical Mill allows free and precise adjustment of the finished product fineness within the 800~2500 mesh range, offering industry-leading production flexibility.
High Efficiency and Stability: Designed with an annual production capacity of 20,000~30,000 tons, the automatic packaging and palletizing system, along with intelligent monitoring, significantly reduces reliance on manual labor and operational errors, ensuring long-term continuous stable operation.
Fully Sealed Process: From raw material to finished product packaging, the entire process adopts a negative-pressure sealed design, combined with pneumatic tank pump conveying, achieving near-zero loss and ultra-low emissions in ultrafine powder production.
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