On the basis of the single-cylinder dryer, which was created and manufactured and is an industrial dryer on non-viscous, liquid material, sand dryer is also known as the three layers of drum dryer or the three return cylinder dryers. Currently, a three-cylinder dryer with established technology produces incredibly good results when drying sand, fly ash, coal, mineral materials, slag, and other materials. It is extensively used in the construction, chemical, casting, and other industries. It is drying equipment with a wide application range, high production capacity, and dependable operation. It also handles a wide variety of materials. River sand, dry-mixed mortar, yellow sand, cement plant slag, clay, artificial sand, quartz sand, slag, cinder, and other granular materials can all be dried using the sand drum dryer.