Vacuum Rotary Dryer

Product Features of Vacuum Rotating Dryer
During the vacuum drying process, the pressure inside the cylinder is always lower than atmospheric pressure, with fewer gas molecules, lower density, and low oxygen content. Consequently, it can dry drugs that are prone to oxidation and reduce the chance of material contamination.
(2) As the moisture content vaporizes proportionally with temperature and steam pressure, vacuum drying allows the moisture in the material to vaporize at low temperatures, achieving low-temperature drying. This is particularly suitable for pharmaceutical production involving heat-sensitive materials.
(3) Vacuum drying can eliminate the surface hardening phenomenon that is commonly produced by atmospheric pressure hot air drying. This is due to the large pressure difference between the material inside and the surface during vacuum drying, under the action of the pressure gradient, moisture is quickly transferred to the surface, preventing surface hardening.
(4) Due to the small temperature gradient between the internal and external material during vacuum drying, the reverse osmosis effect allows moisture to move and collect independently, effectively overcoming the dispersion phenomenon caused by hot air drying.