Continuous vacuum dryer for protein products
Achieve precise moisture control and maintain product functionality with low-pressure drying, ideal for sensitive protein isolates and essential oil extracts.

Dries and Desolventizes Under Vacuum Conditions
The Vacuum Dryer from Crown Iron Works is designed for industries requiring precise solvent evaporation under low-pressure conditions. This equipment is particularly effective at ensuring product quality and operational efficiency in processes involving drying and desolventization. Using vacuum technology, it reduces operational pressures to as low as 200 mbar absolute, making it ideal for sensitive products like CBD oil, protein isolates, and biodiesel.
Commonly applied in the pharmaceutical, nutraceutical, and specialty chemicals industries, this vacuum dryer supports continuous operation and integrates easily with existing production lines. Its robust construction offers material options like stainless steel to handle corrosive environments and ensure long-lasting performance. For energy efficiency, it features optimized motor controls that can decrease energy consumption by up to 15%.
Compliance with industry standards is a given, making this vacuum dryer suitable for food-grade and other regulated manufacturing environments. Maintenance is streamlined through an integrated CIP (Clean-In-Place) system, allowing for quick and efficient cleaning operations. Additionally, customization options, like specific chamber sizes and control features, ensure this equipment meets your unique production requirements.
Benefits
- Maintains product integrity with low-pressure operation suitable for sensitive materials.
- Enhances energy efficiency, reducing consumption by up to 15%.
- Integrates seamlessly with existing process lines for continuous production.
- Complies with industry standards for food-grade and regulated production.
- Streamlines maintenance with a Clean-In-Place system for efficient cleaning.
- Applications
- Specialty chemicals,Nutraceuticals,Plant-based proteins,Oilseed processing,Food products,Biofuel,Pharmaceuticals
- End products
- Cooking oils,Canola oil,Sunflower oil,Plant-based meat alternatives,Polymer additives,Cbd oil,Vitamin supplements,Protein isolates,Soy protein concentrate,Herbal extracts,Omega-3 supplements,Lecithin,Biodiesel,Pharmaceutical excipients,Specialty waxes
- Steps before
- Oilseed Preparation,Soybean Preparation,Canola Preparation,Sunflower Preparation,Other Oilseed Processing,Hemp CBD Oil Extraction,Plant-based Protein Extraction,Oilseed Extraction,Specialty Extraction / Washing / Leaching
- Steps after
- Continuous Deodorizing,Semi-continuous Deodorizing,Winterizing,Dewaxing,Biodiesel Pretreatment,Transesterification,Distillation,Glycerin Purification,Fat Modification,By-product Processes
- Input ingredients
- water,solvent wet products,protein products
- Output ingredients
- dried protein products,color maintained products,functional products
- Market info
- Crown Iron Works is renowned for its expertise in designing and manufacturing engineered-to-order equipment for oilseed processing and edible oil extraction, with a strong reputation for innovation, reliability, and delivering customized solutions worldwide.
- Pressure Range
- 200 mbar absolute
- Operation Mode
- Continuous Vacuum
- Application
- Water or Solvent Wet Products
- Technology Type
- Dryer/Desolventizer
- Efficiency on Protein Products
- Maintains Color and Functionality
- Operating Pressure
- As low as 200 mbar absolute
- Operational Mode
- Continuous Vacuum
- Batch vs. continuous operation
- Continuous
- Automation level
- PLC / SCADA
- Density/particle size
- 0.5–2.5 g/cm³ / 50–1000 µm
- Feed/Discharge method
- Continuous Vacuum
- Pressure range
- As low as 200 mbar absolute
- Control panel type
- PLC / HMI Interface
- Integration possibilities
- SCADA / DCS integration
- Material Compatibility
- Stainless steel / Alloy
- Pressure range
- Can operate as low as 200 mbar absolute