A Multifunctional Rotary Drying Machine is an industrial equipment designed to dry materials in various industries. It works by using a rotating drum that tumbles the material while hot air is passed through it. The process efficiently removes moisture from the material, helping to reduce its weight, volume, and improve storage or further processing.

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The working principle of a ball mill is based on the rotation of a cylindrical shell filled with grinding media (typically steel balls) and the material to be ground. Here is a detailed breakdown of how it works:

1. Rotation of the Drum:

The ball mill consists of a hollow cylindrical shell that rotates around its axis. The rotation is usual···