Product Description
The Vacuum Rake Dryer is a specialized industrial drying equipment designed for processing heat-sensitive, viscous, or easily oxidized materials under reduced pressure. This dryer operates on the principle of indirect heating combined with mechanical agitation, ensuring efficient and gentle drying while minimizing product degradation.
Working principle
The Vacuum Rake Dryer is a specialized industrial apparatus designed for the efficient drying of heat-sensitive, viscous, or oxidation-prone materials through a combination of vacuum technology and mechanical agitation. Its working principle revolves around three key processes: indirect heating, vacuum evaporation, and continuous mixing.
Features
Key Features
- Vacuum Operation: Works under vacuum (typically 5-20 kPa), lowering the boiling point of solvents/moisture. This allows drying at lower temperatures, ideal for heat-sensitive substances.
- Indirect Heating: The cylindrical shell is jacketed for circulating hot water, steam, or thermal oil (up to 150°C), providing uniform heat transfer without direct contact.
- Rotating Rake System: Internal rake arms continuously turn and stir the material, preventing clumping and enhancing heat transfer efficiency.
- Solvent Recovery: Equipped with a condenser to capture and evaporated solvents, making it environmentally friendly and cost-effective for solvent-based processes.
Technical parameters
| Item |
Model |
| Name |
unit |
ZPG-500 |
ZPG-750 |
ZPG-1000 |
ZPG-1500 |
ZPG-2000 |
ZPG-3000 |
| Working volume |
L |
300 |
450 |
600 |
900 |
1200 |
1800 |
| Heating area |
sqm |
6 |
7.6 |
9.3 |
12.3 |
14.6 |
19.3 |
| stirring revolution |
rpm |
6-30stepless variable |
| Power |
kw |
4 |
5.5 |
5.5 |
7.5 |
11 |
15 |
| Design pressure of Jacket (Hot water) |
MPa |
<0.3 |
| Vacuum in the cylinder |
MPa |
-0.09-0.096 |
Note:The evaporated amount of water its related te characteristics of raw materials and the temperature of air in and air out.When the temperature of air out is 90degree, the evaporated curve of moisture is listed in above Fig(for reference when choose the Model).With renew procucts unceasingly,the related parameters will be exchanged,it does not announce in advance,pardon!
Company Profile
Audited Supplier 
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