One essential tool that is heavily used in the mining industry is the powerful ball mill.People also call it a grinder.Thats because the main purpose of the ball mill is to grind and reduce the size of different materials.Even though the ball mills are most commonly used in the mining industry, these machines can be found in other industry sectors as well, like metallurgy, chemistry, ceramics and construction.This tool is described as highly efficient and versatile, as it can mix, blend, grind, and crush massive materials into fine powder.
The grinding mills grind the feed material to a smaller size, and the classifier divides the ground products into qualified and unqualified products.In which, the unqualified material is returned to grinder mill for re-grinding.The classification process includes pre-classification, checking classification, and controlling classification.Related products: crushing and grinding machine, rod mill, ball mill, feeder & conveyor belt, particle classifier.
The features of rod mill are that in the ore grinding process, the grinding media contact with the ore in a linear manner, so that it has selective grinding function.The granularity of the final products is even, and the amount of the particles that are over crushed and ground is low.When used for coarse grinding, the processing amount of rod mill is higher than that of the ball mill with the same specification.
The air fed to the ball mill is heated in the air heater.In the separator dust (finely pulverized coal) is separated from large coal particles which are returned to the ball mill for regrinding.The dust movesto the cyclone.Most of the dust from cyclone sent to bunker.The remaining dust is mixed with air and fed to the burner.
Automatic control of the ball grinding mill powder size of purpose is to control the ball mill, the possible to improve the quality of products of powder.Using the computer control system of the grinding technology can improve the productivity, improve the control accuracy.
Kavetsky, a., whiten, w.J., and narayanan, 1982, studies on the scale-up of ball mills, proceedings mill operators conference, the australasian institute of mining and metallurgy, pp.113121.
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