When you are looking for a low-speed, indirect drying solution, a disc dryer can be a good option. Suitable for heating and cooling various types of product like filter cakes, powders, viscous materials and granules, it is soften used for materials requiring very long residence times or sticky materials with back-mixing.
The disc dryer from Hosokawa is a low-speed, horizontal, indirect dryer. Using hot air or gas as a drying medium in combination with a heating jacket and heating rotor, which consists of special, heated discs within a cylindrical jacketed housing. It works combining high heat transfer rates ranging from 85 to 300 W/m²K with high surface/volume ratios. Residence times range from minutes to several hours, making it more versatile than almost any other indirect heat exchanger available today.