Chemical Industry
Dyes and pigments, dye intermediates, catalysts, amino acids, silica, compound fertilizers, and inorganic or specialty chemicals.
Product Overview
High-Speed Centrifugal Spray Dryer
High-speed centrifugal atomization for rapid continuous drying of pumpable liquid and paste-like feeds. Designed and manufactured for typical materials processed by the available configurations across chemical, food, polymer, resin and mineral industries. Review the working principle, performance features and available configuration details below when specifying your industrial project.
- Suitable for solutions, emulsions, suspensions and pumpable pastes.
- A high-speed centrifugal atomizer forms fine droplets for rapid co-current contact with heated air.
- Operating conditions can be selected around particle size, residual moisture, bulk density and product form.
- Atomization
- High-speed centrifugal
- Operation
- Continuous
- Feed
- Liquid / pumpable paste
- Product
- Powder or granules
Product Essentials
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- Feed forms
- Solution, emulsion, suspension or pumpable paste
- Atomization
- High-speed centrifugal atomization
- Reference capacity
- 5–2000 kg/h water evaporation, model-dependent
- Air temperature
- Inlet 140–350°C; outlet approximately 80–90°C
- Dry powder recovery
- ≥95% under the specified process conditions
- Product discharge
- Drying chamber and cyclone separator
Technical Specifications
Technical specifications
Listed values apply to the identified configuration. Confirm material conditions, utilities and optional equipment before selection.
| Parameter | Specification |
|---|---|
| Equipment Type | High-Speed Centrifugal Spray Dryer |
| Drying Medium | Air |
| Operation | Continuous |
| Feed Forms | Solution, emulsion, suspension or pumpable paste |
| Atomization | High-speed centrifugal atomization |
| Air / Product Flow | Co-current |
| Inlet Air Temperature | 140–350°C, automatic control |
| Outlet Air Temperature | Approximately 80–90°C |
| Reference Water Evaporation Capacity | 5–2000 kg/h, depending on the selected model |
| Atomizer Speed | Approximately 8,000–25,000 rpm, depending on the selected model |
| Dry Powder Recovery | ≥95% |
| Heat Source | Electricity, steam + electricity, fuel, gas or hot-air system, depending on configuration |
| Product Discharge | Drying chamber and cyclone separator |
Actual capacity, power consumption, atomizer specification, dimensions and heating configuration depend on the selected model, material properties and project requirements.
Applications
Typical materials processed by the available configurations.
Applications include typical materials processed by the available configurations across chemical, food, polymer, resin and mineral industries. Confirm material properties and process conditions before selecting the equipment configuration.
Polymers & Resins
ABS emulsions, urea-formaldehyde resins, phenolic resins, polyethylene and polyvinyl chloride.
Food & Ingredients
Milk powders, protein products, coffee, instant tea, plant extracts, starch, glucose, maltose and pectin.
Ceramics & Minerals
Alumina, magnesium oxide, ceramic materials and talc-based materials.
Working Principle
Co-current drying from liquid feed to collected powder.
Filtered and heated air enters uniformly through the top distributor while liquid feed is atomized into fine droplets for rapid heat and mass transfer.
Liquid Feed
Prepared solution, emulsion, suspension or pumpable paste is delivered continuously to the atomizer.
Centrifugal Atomization
The high-speed centrifugal atomizer converts the liquid into fine droplets.
Hot-Air Contact
Droplets meet uniformly distributed heated air in a co-current flow.
Rapid Moisture Evaporation
The increased droplet surface area supports rapid heat and mass transfer within a short residence time.
Powder Formation
Dry powder or granular product forms as the droplets move through the drying chamber.
Cyclone Separation
Dried solids are separated from the process air in the drying chamber and cyclone.
Product Collection & Exhaust
Product is discharged continuously while exhaust air leaves through the induced-draft system.
Key Features
Process characteristics of high-speed centrifugal spray drying.
Performance depends on material properties, operating conditions and the selected equipment configuration.
Rapid Drying
Centrifugal atomization increases the liquid surface area. Under suitable conditions, approximately 95–98% of the moisture can be evaporated rapidly and drying is completed within seconds.
Suitable for Heat-Sensitive Materials
The short drying residence time supports processing of many heat-sensitive materials.
Direct Powder Formation
Suitable feeds can be converted directly into powder or granules, reducing or eliminating subsequent crushing and screening.
Controlled Product Properties
The process can provide uniformity, flowability and solubility appropriate to the material and operating conditions.
Adjustable Product Characteristics
Particle size, bulk density and residual moisture can be adjusted within the available process range.
Continuous Operation
Feeding, atomization, drying, powder collection and discharge are carried out continuously.
Wide Feed Compatibility
The system can process solutions, emulsions, suspensions and pumpable paste-type materials.
Selection Support
Information required for equipment selection.
Provide the following material, product and utility data for accurate process evaluation and preliminary equipment sizing.
Material nameFeed typeSolid content or moisture contentViscositySurface tensionpH valueRequired production capacityRequired final moistureTarget particle sizeRequired bulk densityMaximum allowable product temperatureDaily operating hoursAvailable steam pressure and capacityAvailable electrical capacityAvailable fuel or gas supplyRequired inlet / outlet temperature controlPowder collection requirementsExhaust emission requirementsOther special process requirements
