High Impact Resistance Alumina Ceramic Grinding Balls with High Corrosion Resistance and Low Water Absorption for Mining

Product Description:

Features:

Made of 95% high-purity alumina substrate, added with 3% chromium oxide composite reinforcing agent, and subjected to high-temperature sintering and isothermal quenching treatment at 1600 ℃, the high alumina content lays a stable hard foundation, with a compressive strength of 250MPa and no cracks in the 2.0m drop ball impact (far exceeding the industry standard of 1.5m). The roundness error of the sphere is ≤± 0.2mm, covering a specification of 20-80mm (coarse grinding 50-80mm, fine grinding 20-40mm), with a wear rate as low as 0.06%, reducing kinetic energy loss during the grinding process. Combined with a high filling rate design (65% -70%), the grinding amount per unit time is increased by 30% compared to ordinary grinding balls.

Technical Parameters:

Applications:

Suitable for all types of ore grinding scenarios in the mining industry, the 50-80mm specification is suitable for coarse grinding processes in iron ore grinding, with high impact resistance and easy handling of large iron ore crushing. With a compressive strength of 250MPa, it is suitable for continuous operation of high-speed ball mills; The 20-40mm specification is used for fine grinding process, with 0.06% low wear to ensure uniform particle size of iron concentrate (-200 mesh accounting for ≥ 85%). In the processing of non-ferrous metal ores such as copper and gold, the 30-50mm specification meets the transition requirements between medium and fine grinding, with a 95% high alumina content to avoid metal ion contamination of the slurry and improve the recovery rate of mineral processing. In addition, it can also be used for grinding non-metallic minerals such as quartz sand and feldspar, with a full range of 20-80mm covering different grinding stages without the need to replace consumables, suitable for the large-scale production needs of mining enterprises.

Advantages:

Firstly, a leap in production capacity - high impact resistance suitable for mining high-speed ball mills (25-30r/min), no risk of cracking and shutdown, combined with low wear characteristics, the daily output of a single equipment is increased by more than 25%. Calculated based on an annual output of 1 million tons of ore, the annual production increase value exceeds 10 million yuan; Secondly, significant cost reduction - the ball replacement cycle has been extended from 15 days to 60 days, reducing the annual ball replacement cost by 75%. At the same time, the labor cost for cleaning broken balls and equipment lining wear have been reduced (the lining life has been doubled); Thirdly, it is fully adaptable - covering the entire process of mining coarse grinding (crushing large ores) and fine grinding (preparing qualified slurry) with a full specification of 20-80mm, without the need to change the grinding ball model, simplifying management.