Vacuum drying is essential in battery recycling to ensure the safe and efficient processing of battery components. Removing moisture and volatile compounds is crucial for preventing chemical reactions, potential hazards, and contamination during further processing stages. The drying process in battery recycling, conducted under vacuum conditions, is a crucial step that aims to remove moisture and other volatile substances from battery components. This process is especially important in recycling lithium-ion batteries, as they contain electrolyte solutions that need to be removed before further processing. By conducting the drying process under vacuum conditions, the boiling points of liquids are lowered, which means that the drying can occur at lower temperatures than traditional drying methods.
This helps conserve energy and maintain the integrity of the battery materials. The Drying Systems are engineered with specialized knowledge in battery materials and moisture management. Whether you’re handling lithium-ion, lead-acid, NMC (Nickel-manganese-cobalt), or LFP (Lithium-iron-phosphate) batteries, our vacuum dryer machines offer precise and efficient moisture removal. The cutting-edge vacuum drying technology creates an environment where moisture evaporates at lower temperatures, ensuring the preservation of material integrity. By gently and efficiently removing moisture, you’re safeguarding valuable battery components for further processing. We understand that every battery recycling process is different. The Vacuum Dryer Systems can be adjusted to fit your specific needs, making your drying process smoother and more efficient.
Technical Specifications
The Vacuum Dryer System is designed for low-temperature drying of heat-sensitive powders, filter cakes and recycled materials under reduced pressure. The system combines indirect heating, vacuum technology and solvent recovery to achieve rapid moisture removal while preserving material quality and minimizing oxidation.
| Model | Batch Capacity | Chamber Volume | Final Moisture | Operating Temperature | Vacuum Level | Heating System | Installed Power | Approx. Dimensions (W × L × H) |
|---|---|---|---|---|---|---|---|---|
| VDS-100 | 100 kg/batch | 300 L | <1% | 40–150°C | Up to -0.95 bar | Electric | 12 kW | 1,600 × 1,500 × 2,200 mm |
| VDS-250 | 250 kg/batch | 700 L | <1% | 40–150°C | Up to -0.95 bar | Electric / Steam | 22 kW | 2,000 × 1,800 × 2,500 mm |
| VDS-500 | 500 kg/batch | 1,500 L | <1% | 40–180°C | Up to -0.95 bar | Steam / Thermal Oil | 38 kW | 2,800 × 2,200 × 2,900 mm |
| VDS-1000 | 1,000 kg/batch | 3,000 L | <0.5% | 40–180°C | Up to -0.98 bar | Steam / Thermal Oil | 60 kW | 3,500 × 2,800 × 3,300 mm |
| VDS-2000 | 2,000 kg/batch | 6,000 L | <0.5% | 40–180°C | Up to -0.98 bar | Steam / Thermal Oil | 95 kW | 4,800 × 3,500 × 3,800 mm |
| VDS-5000 | 5,000 kg/batch | 15,000 L | <0.5% | 40–180°C | Up to -0.99 bar | Steam / Thermal Oil | 180 kW | 6,500 × 5,000 × 4,500 mm |
Standard Technical Features
- Vacuum drying chamber
- Jacketed heating system
- Integrated vacuum pump
- Solvent recovery condenser
- Condensate collection tank
- Variable-speed agitator (optional)
- Automatic vacuum control
- Automatic temperature control
- PLC & Touchscreen HMI
- PID heating control
- Closed-loop drying process
- Low oxygen operation
- Heavy-duty insulated chamber
- Easy maintenance design
Typical Materials
- Black Mass
- Filter Cake
- Cathode Powder
- Anode Powder
- Lithium Compounds
- Metal Hydroxides
- Metal Sulfates
- Precious Metal Precipitates
- Catalyst Powders
- Fine Chemical Products
Operating Conditions
| Parameter | Recommended Value |
|---|---|
| Final Moisture | <0.5–1.0% |
| Operating Temperature | 40–180°C |
| Vacuum Level | Up to -0.99 bar |
| Heating Medium | Electric / Steam / Thermal Oil |
| Drying Type | Batch or Continue |
| Construction Material | AISI 304 / AISI 316L Stainless Steel |
| Operation | Fully Automatic |
System Connections
- Feed inlet
- Product discharge
- Vacuum connection
- Condenser outlet
- Condensate tank connection
- Heating medium inlet/outlet
- Cooling water connection
- Electrical power supply
- PLC control cabinet