Here are five methods to prevent spray drying tower walls from sticking:
1. A double-walled drying tower is used, with air cooling in between to keep the wall temperature below 50℃;
2. Secondary air is tangentially introduced into the tower wall through cyclone vanes to cool the tower wall;
3. Install an air broom consisting of a row of nozzles near the wall inside the tower and make it rotate slowly along the tower wall;
4. Add air hammers to the tower wall to force the material adhering to the wall to detach by striking it.
5. Increase the processing precision of spray drying equipment; polishing the inner wall of the tower can also reduce wall adhesion.
