Closed Circuit Spray Dryer
Loop sequence Atomized feed contacts heated nitrogen. Powder is separated and collected. The process gas passes through filtration and condensation;.
Space-efficient pilot development system with a 3 L collector and high-area solvent condensation
| Built for controlled solvent processing AV-OSSD3L bridges small laboratory testing and larger pilot equipment. The system combines a 3 L product collection vessel, a wider drying chamber and two condensers in a closed nitrogen circuit. It is designed for organic-solvent-bearing, toxic, harmful or oxygen-sensitive feeds where gas filtration, solvent condensation and controlled oxygen levels are important to the process. Recommended use Best for pilot development, intermediate batch work and scale-up studies with limited floor space. Process note Final solvent compatibility and operating conditions should be confirmed by a process-risk assessment. |
Six Key Advantages
PRINCIPLE AND TECHNICAL DATA
Loop sequence Atomized feed contacts heated nitrogen. Powder is separated and collected. The process gas passes through filtration and condensation; recovered solvent is collected, and dry nitrogen returns through the blower and heater.
| Feed solution | → | Two-fluid orcentrifugal atomizer | → | Heated nitrogen | → | Drying chamber | → | Powder separationand collection |
|---|---|---|---|---|---|---|---|---|
| ↓ | ||||||||
| Dry nitrogenreturns to heater | ← | Blower and heater | ← | Solvent collection | ← | Condenser | ← | Gas filtration |
Technical Specifications
- Specifications are for reference and may change with configuration. Confirm utilities, materials of construction, solvent compatibility and compliance requirements before ordering.
| Parameter | Specification |
|---|---|
| Feed rate | 50–3,000 mL/h |
| Product collection vessel | 3 L |
| Inlet temperature | Ambient to 300°C; ±0.5°C |
| Outlet temperature | Ambient to 200°C; ±0.5°C |
| Chiller temperature | −40°C; ±0.5°C |
| Atomization | Two-fluid nozzle |
| Oxygen measurement | 0–100% |
| Feed interlock | Starts below 3% O₂ by default; setpoint adjustable |
| Pressure measurement | 0–100 kPa |
| Automatic relief | Above 0.02 MPa by default; setpoint adjustable |
| Airflow | 0–150 m³/h; variable-frequency control |
| Fan power | 2.2 kW |
| Drying chamber | Ø530 × 1,100 mm |
| Filter recovery unit | Ø260 × 1,000 mm |
| Condensers | 2 × 50 L; total area 7 m² |
| Heating power | 7.5 kW |
| Total power | 10 kW |
| Overall dimensions | 1600*1300*2100 cm L*W*H |
Application Areas
- Suitable applications depend on feed chemistry, solvent properties, required powder characteristics and site risk controls.
| Pharmaceutical AP Is Solvent-based formulation and active-ingredient development. | Battery Materials Electrode, electrolyte and functional material research. |
|---|---|
| Fine Chemicals Controlled drying of specialty chemical intermediates. | Polymers and Resins Polymer, coating and resin process development. |
| Pigments and Dyes Colorant and dispersion powder development. | Advanced Materials Electronic, catalytic and functional powders. |
More Organic Solvent Spray Dryer
AV-OSSD6000Laboratory Closed Loop Organic Solvent Spray Dryer with Nitrogen Circulation
Loop sequence Atomized feed contacts heated nitrogen. Powder is separated and collected. The process gas passes through filtration and condensation;.
View Product →
AV-OSSD2LNitrogen Closed Cycle Spray Dryer
Loop sequence Atomized feed contacts heated nitrogen. Powder is separated and collected. The process gas passes through filtration and condensation;.
View Product →
AV-OSSD5LClosed Loop Centrifugal Spray Dryer
Loop sequence Atomized feed contacts heated nitrogen. Powder is separated and collected. The process gas passes through filtration and condensation;.
View Product →Organic Solvent Spray Dryer
An organic-solvent spray dryer runs as a closed loop. The drying gas is nitrogen rather than air, and it is recirculated rather than exhausted: gas leaves the drying chamber, passe
Learn More →