Introduction to disc dryer
The disc dryer is a type of industrial dryer commonly used for drying slurries and pastes, where the material is spread out evenly over a rotating disc and exposed to hot air or gas. Here are six key features and functionalities of disc dryers:
- Uniform Drying: The rotating disc ensures that the material is spread out evenly, facilitating uniform drying.
- Short Residence Time: The material spends a short amount of time in the dryer, minimizing the risk of overheating and maintaining the product’s integrity.
- High Heat Transfer Rate: The close contact between the material and the hot surface of the disc promotes efficient heat transfer, facilitating rapid drying.
- Continuous Operation: Disc dryers can operate continuously, allowing for large-scale production.
- Versatility: Disc dryers can handle a wide range of materials, including slurries, pastes, and even granules.
- Low Maintenance: Disc dryers have a simple design and are relatively easy to maintain, reducing downtime and maintenance costs.
working principle
- Material Introduction: The slurry or paste is introduced onto the rotating disc.
- Spreading and Drying: As the disc rotates, the material is spread out evenly, exposing a large surface area to the hot air or gas, allowing for efficient drying.
- Heat Transfer: The material comes into direct contact with the hot surface of the disc, promoting efficient heat transfer and rapid evaporation of moisture.
- Temperature Control: The temperature of the hot air or gas is carefully controlled to ensure optimal drying conditions and prevent overheating.
- Continuous Operation: Disc dryers can operate continuously, allowing for large-scale production of dried materials.
- Particle Collection: The dried material is scraped off the surface of the disc and collected, while any remaining moisture is removed through exhaust vents.
Advantages of disc dryers
- Uniform Drying: The rotating disc ensures even distribution of heat, facilitating uniform drying of materials.
- High Heat Transfer Rate: The close contact between the material and the hot disc surface promotes efficient heat transfer, leading to rapid drying.
- Short Residence Time: The material spends a short amount of time in the dryer, minimizing the risk of overheating and maintaining the product’s integrity.
- Continuous Operation: Disc dryers can operate continuously, allowing for large-scale production.
- Versatility: Disc dryers can handle a wide range of materials, including slurries, pastes, and even granules.
Application industry
- Industry: chemical,pharmaceutical,food,dehydrated vegetables,grain,mining,etc
- Application: 1aslemon Acid,chicken essence,borax,ammonium sulfate,radish silk,seeds,salt,silkworm, etc