Conical vacuum drying and spiral-ribbon mixing in a closed vessel.
LDG series spiral belt vacuum dryer is a multifunctional fully closed vertical vacuum drying equipment integrating drying, crushing and powder mixing. Its drying efficiency is 3-5 times that of the "double cone rotary vacuum dryer" of the same specification. It is mainly used for powder drying in pharmaceutical, chemical, pesticide, food and other industries. It can realize the whole process of closed continuous operation. It is the drying equipment in the above industries.
● Mixing and drying complete in one vessel, improve productive efficiency.
● Being adapted jacket for heating, decrease energy consumption.
● Being adapted vacuum drying, could keep heat and mass transfer, especially suit for thermal sensitive material.
● The structure is simple, easy to clean, convenient in discharging, conforms to the GMP standard.
● Provides many kinds of agitation form match, may carry on the mass production.
● It could carry on cooling, sterilization operation.


| Model | 50 | 100 | 200 | 500 | 1000 | 1500 | 2000 | 3000 |
| Volume (L) | 50 | 100 | 200 | 500 | 1000 | 1500 | 2000 | 3000 |
| Max.Inner diameter (φmm) | 500 | 620 | 800 | 1100 | 1350 | 1550 | 1700 | 1950 |
| Power (kw) | 1.5 | 1.5 | 2.2 | 3.7 | 5.5 | 11 | 15 | 20 |