CB disc dryer utilizes a dual indirect steam heat exchange structure comprising a shell jacket and rotor discs. Steam is evenly distributed to each heating disc through the interior of the rotating shaft, featuring a compact design and high evaporation capacity. Designed for continuous production, the disc dryer propels material through the chamber at a low speed, ensuring gentle and uniform heating. This significantly reduces the probability of thermal damage to proteins and clumping, leading to a notable improvement in product quality. Depending on specific capacity requirements and material characteristics, the heating area and materials can be configured to achieve a stable, energy-efficient, and controllable drying process.