Industrial hot air system for spray dryers
Ensure consistent hot air delivery for critical drying processes, enhancing energy efficiency and maintaining precise temperature control, ideal for high-capacity spray drying operations.

Supplies Consistent Heated Air for Drying Operations
The GEA HotSwirl Indirect Heater offers superior heating capabilities for critical spray drying operations, ensuring reliable hot air supply with precise volume and temperature control. Engineered for use in food, dairy, pharmaceutical, and chemical industries, this heater supports diverse applications from whey protein concentrate to specialty polymers. Featuring a robust heat recovery system, it reduces energy consumption, enhancing operational efficiency and product quality. Available for new installations or retrofits, the HotSwirl handles capacities from 2,500 to 50,000 kg/hour. It supports horizontal or vertical orientations for flexible integration within existing drying systems. GEA provides comprehensive engineering support to adapt the HotSwirl to specific production needs, ensuring seamless installation and optimal performance.
Benefits
- Enhances production efficiency by supplying consistent hot air, crucial for high-quality powder output.
- Lowers operational costs with superior energy savings from the heat recovery system.
- Offers flexible installation with options for horizontal or vertical orientation, adaptable to existing systems.
- Supports seamless plant upgrades with retrofit capabilities, reducing downtime.
- Ensures long-term reliability and reduced maintenance frequency with durable construction.
- Applications
- Food,Biofuels,Whey powder,Nutritional formula,Industrial chemicals,Milk-powder,Dairy products
- End products
- Skimmed milk powder,Amino acids,Infant formula,Lactose-free milk powder,Protein shakes,Cheese powder,Spray-dried vegetable oils,Biodegradable solvents,Whey protein concentrate,Full cream milk powder,Corn-based bioethanol,Casein powder,Adhesives,Specialty polymers
- Steps before
- Pasteurization,Homogenization,Pre-concentration,Mixing
- Steps after
- Powder Packaging,Coating,Blending,Quality Control
- Input ingredients
- air
- Output ingredients
- hot air
- Market info
- GEA is known for its expertise in engineering innovative and sustainable equipment and solutions, focusing on sectors such as food, beverages, pharmaceuticals, and energy, with a reputation for quality, efficiency, and advanced technological applications in industrial processing.
- Air outlet temperature
- 220°C – 250°C
- Capacity
- 2500Kg/hour to 50,000Kg/hour
- Orientation
- Horizontal or Vertical
- Hot air consistency
- Reliable at consistent temperature and volume
- Heating method
- Indirect heating
- Temperature consistency
- Consistent
- Air temperature range
- 220°C – 250°C
- Operational efficiency
- Best in class
- Installation type
- Horizontal or vertical
- Retrofit capability
- Available
- Service life
- Long service life
- Drying operation type
- Batch and continuous
- Hot air supply capacity
- 2500Kg/hour to 50,000Kg/hour
- Heat recovery system
- GEA heat recovery system
- Density/particle size
- 0.5–2.5 g/cm³ / 50–1000 µm
- Spray dryer compatibility
- Yes
- Fluid bed dryer compatibility
- Yes
- New and retrofit use
- Yes
- Orientation
- Horizontal or Vertical
- Installation Location
- Inside or Outside
- Heater Capacity
- 2500Kg/hour to 50,000Kg/hour
- Air Outlet Temperature
- 220°C – 250°C
- Heat recovery system
- GEA proprietary
- Orientation
- Horizontal or Vertical
- Installation location
- Indoor/Outdoor
- Retrofit capability
- Yes