3 - 20MPa Spray Dryer Machine 5000 - 20000r/Min Industrial Spray Dryer
Key Attributes
Product Summary
Spray Dryer Working Principle A spray dryer is a drying equipment that rapidly converts liquid materials (solutions, suspensions, emulsions, etc.) into powdered or granular solid products. Its core principle involves the synergistic effect of "atomization + instant heat exchange + gas-solid ...
Product Details
3MPa Spray Dryer Machine
,20MPa Spray Dryer Machine
,20000r/min industrial spray dryer
- Pressure Atomization: Material is pressurized (3-20MPa) through a nozzle to form conical droplet clusters
- Centrifugal Atomization: Material enters a high-speed rotating disk (5000-20000r/min) and is thrown into droplets by centrifugal force
- Airflow Atomization: High-speed compressed air (or hot air) impacts the material, breaking it into droplets
- Cyclone Separator: Uses centrifugal force to separate most coarse particles into collection bins
- Bag Filter: Filters remaining fine particles from exhaust gas, ensuring compliance and recovering fine powder
- Material adjustment: Regulate liquid concentration (typically 10%-40% solid content)
- Filtration purification: Remove impurities and large particles through filters
- Temperature preheating: Preheat material to 30-50°C to reduce energy consumption
- Heat source provision: Heat air using steam heaters, electric heaters, or gas hot air furnaces
- Airflow regulation: Distribute hot air evenly through air distributors
- Material atomization: Disperse material into fine droplets
- Gas-liquid contact: Droplets contact hot air and solidify into particles
- Parameter control: Adjust feed rate, air temperature, atomization pressure/speed
- Primary separation: Cyclone separator removes 80%-90% of coarse particles
- Secondary separation: Bag filter captures fine particles and cleans exhaust gas
- Crushing and screening: Break agglomerated particles and grade by size
- Cooling and packaging: Cool products to room temperature and package appropriately
- Waste treatment: Recycle or dispose of collected dust and不合格颗粒
| Parameter | Control Range | Purpose |
|---|---|---|
| Hot Air Inlet Temperature | 80-300°C | Determines drying rate while protecting material quality |
| Exhaust Gas Outlet Temperature | Monitor for drying completion | Indicates moisture evaporation level |
| Atomization Parameters | Pressure: 3-20MPa Rotation: 5000-20000r/min |
Controls droplet size and distribution |
| Tower Pressure | -500 to -1000Pa | Prevents dust escape and ensures even airflow |
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