Pumpable liquid feeds
Solutions, suspensions and emulsions after review of the feed and required particle properties.
Top exhaust pressure spray drying
Top-Exhaust Pressure Spray Dryer
Top-Exhaust Pressure Spray Dryer is designed for drying liquid materials such as solutions, suspensions, and emulsions into uniform powder or granular products.
The feed material is delivered by a high-pressure pump to the atomizer (spray nozzle) installed inside the distributor at the top of the drying tower. The high-pressure spray system atomizes the liquid into fine droplets, which enter the high-speed drying air stream and are dried into particles during the downward movement through the drying chamber and integrated fluidized bed.
This spray dryer is widely used for applications requiring controlled particle size, improved powder flowability, and enhanced product quality.
- Feed
- Solution / suspension / emulsion
- Atomization
- High-pressure nozzle
- Airflow
- Top exhaust
- Finishing
- Integrated fluidized bed
Product Essentials
Everything needed for a quick technical review.
Select a topic from the directory. The content stays in one focused workspace for faster comparison.
Typical Technical Data
Technical specifications
Listed values apply to the identified configuration. Confirm material conditions, utilities and optional equipment before selection.
| Parameter | Reference value |
|---|---|
| Feed | Solution, suspension or emulsion |
| Atomization | Top-mounted high-pressure nozzle |
| Airflow | Downward drying contact with top exhaust |
| Finishing | Integrated fluidized bed; optional external horizontal fluidized bed |
| Product form | Powder, granules or agglomerated product |
| Product control | Adjustable particle size, moisture content and particle structure |
Final equipment dimensions, utilities and performance must be confirmed before quotation.
Applications
Food and chemical materials suited to controlled spray drying.
Applications include food industry and chemical industry. Confirm material properties and process conditions before selecting the equipment configuration.
Working Principle
From feed preparation to finished product.
The process route is selected around the material and product targets.
Operation Process
Pressure atomization
A high-pressure pump supplies the top-mounted spray nozzle.
Drying contact
Droplets move downward with the drying air and form particles.
Top exhaust and fines recycle
Air leaves through the top outlet; separated fines return to the drying chamber.
Fluidized finishing
The integrated bed supports moisture and particle-structure control. An external fluidized bed may be specified for final drying or cooling.
Key Features
Process performance shaped around the product.
Final performance remains dependent on feed properties and engineering confirmation.
Pressure-nozzle route
Atomization uses a pressure nozzle rather than a centrifugal wheel.
Fines circulation
Separated fines recirculate to the drying chamber.
Particle finishing
Fluidized finishing conditions are selected for the required moisture and granulation duty.
Technical Advantages
Standard process path with project-specific options.
Core equipment and auxiliary systems are selected around the process duty.
Feed system
High-pressure pump and pressure nozzle.
Air and collection
Top exhaust with fines separation and recycle.
Finishing
Integrated fluidized zone; external drying or cooling bed if required.
Selection Support
What we need to confirm the final design.
Share the following process information for an efficient preliminary review.
Material name and feed formRequired capacity or batch sizeInitial and final moistureParticle or product requirementsHeat and chemical sensitivityBulk density, viscosity or flowabilityAvailable utilities and heat sourceContact material and site conditions
