Ultra Fine Mineral Grinding Mill

Features

1. Selective grinding with narrow particle size distribution
The diameter of the medium and mineral particles is distributed radially from the inner wall of the mill axial cylinder from small to large. Large balls grind large particles, small balls grind small particles. The qualified particle size moves forward in the near-axial area and basically does not participate in grinding, effectively reducing over-grinding and achieving selective grinding

2. Open-circuit grinding achieves closed-circuit effect
A product separator is provided at the discharge end. Qualified products are discharged from the mill from the central area, and the medium and particles that do not meet the requirements are returned from the edge of the cylinder for further grinding, thereby achieving a closed-circuit classification effect and greatly simplifying the production process

3. Non-iron grinding media  required with excellence in  flotation efficiency
During the grinding process, electrochemical reactions occur between sulfide minerals and iron grinding media, resulting in corrosion of the grinding media. The iron oxides or hydroxides formed by corrosion are adsorbed or deposited on the surface of sulfide minerals, which will significantly affect the flotation effect and separation efficiency of sulfide minerals. In terms of flotation speed and recovery rate, inert media are significantly better than steel ball media. The finer the grinding particle size, the greater the impact of the grinding medium environment on its recovery rate. The Ai sand mill uses wear-resistant ceramic balls, and the mill barrel, stirring disc and main shaft are all lined with rubber or rubber sleeves. The grinding process basically eliminates the influence of iron, which will greatly improve the subsequent flotation operation.

4. Simple operation and convenient maintenance
The rail-type disassembly of the barrel is convenient and fast, and the labor intensity of workers is low. It only takes one shift to replace the stirring disc and the grading wheel

5. Frequency conversion speed regulation and stable product quality The mill can adjust the mill speed through frequency conversion according to the changes in the ore supply conditions and product particle size requirements to ensure the stability of the grinding product quality.

6. The barrel does not rotate, safe and environmentally friendly
The grinding medium uses 2-4 mm ceramic balls, and the barrel is lined with rubber materials. The barrel is basically noiseless when the equipment is running. The cylinder does not rotate, and the working area is safe and environmentally friendly

7. Small footprint and low infrastructure investment
For the same processing capacity, the volume of the Aisha mill cylinder is less than 20% of the ball mill, and the footprint is small.
The equipment is horizontal, with a height of no more than 3m, and has low requirements for the height of the plant, saving infrastructure investment.