Commonly used dryer specifications are: 100mm, 150mm, 180mm, 210mm, 240mm, 250mm, 300mm, 400mm, etc. < /p>
2. The drying rate is fast, the drying time is short, and the dryer vaporizes a large amount of moisture per unit volume, enabling large-scale production with small equipment;
3. Low energy consumption, high thermal efficiency, and power Low consumption;
4. The drying process is simple, the equipment investment is small, the operation is stable, the control is flexible, the working conditions are good, and the environment is less polluted.
Extended information:
The material to be dried is placed in a high-frequency electric field, and the alternating effect of the high-frequency electric field is used to heat the object for drying. The characteristic of this kind of heating is that the higher the water content in the material, the more heat is obtained.
Since the water content inside the material is higher than the surface, more energy is obtained inside the material, and the internal temperature of the material is higher than the surface temperature, so that the temperature gradient and the direction of moisture diffusion are consistent, which can accelerate the vaporization of water. Shortening the drying time, this dryer is especially suitable for materials that are prone to crusting during the drying process and whose internal moisture is difficult to remove (such as leather).
Dielectric heating drying consumes a lot of electricity and is mainly used in food and light industrial production. To perform dryer design calculations, you must first select the appropriate dryer type.
The heat medium and the solid particles to be dried are in direct contact, and the solid particles to be dried are suspended in the fluid. Therefore, the contact area between the two phases is large, which strengthens the heat and mass transfer process and is widely used in bulk materials. of dryness. It is the application of dilute phase transport in solid fluidization in drying.
Baidu Encyclopedia--Dryer