Low Temperature Drying
Low Temperature Drying covers SINOTHERMO's vacuum and freeze-drying equipment that operates below standard drying temperatures. This protects heat-sensitive APIs, biologics, flavor compounds and other materials from thermal degradation, oxidation or loss of activity during processing.

ZPG-Vacuum Rake Dryer
Categories: Conduction and Vacuum Dryer
Rake Agitator Vacuum Conduction Dryer:
The Rake Dryer comes with a large-area jacket heating system and a rake agitator that increases the heating surface area, making it easier to move and heat materials. Operating under vacuum, it is perfect for handling flammable, organic solvent-based and heat-sensitive materials.
- Input:
- Pastes, Slurries, Viscous Materials
- Output:
- Powder with 3%-8% moisture content
- Temperature:
- Heat source temperature <150°C

FZG-Static Vacuum Cabinet Dryer
Categories: Conduction and Vacuum Dryer, Vacuum Tray Dryer
Vacuum Dryer with Pulse Back-Blow Function:
The Square Static Vacuum Dryer comes with spacious hollow heating tubes, warming materials on trays. It is perfect for operating at low temperatures in a vacuum, suitable for handling explosive and heat-sensitive materials while maintaining their original characteristics and properties.
- Input:
- Liquids, Slurries, Pastes and Thick Materials
- Output:
- Lump Solids with 3%-5% moisture content
- Temperature:
- Heat source temperature <100°C

DZLG-Ribbon Conical Vacuum Dryer
Categories: Conduction and Vacuum Dryer
Conical Vacuum Dryer with Hollow Ribbon Technology:
With its jacket and ribbon design, the Conical Vacuum Dryer provides a large heating surface, efficient material loading and smooth discharge without any dead angles. The ribbon facilitates mixing for heating and blending — perfect for low-temperature vacuum conditions with explosive and heat-sensitive materials.
- Input:
- Loose powdery, granular solids
- Output:
- Powder with 3%-5% moisture content
- Temperature:
- Heat source temperature <200°C
- Additional Feature:
- Stirring and mixing

GXP-Closed Circulation Spray Dryer
Categories: Convection Dryer, Spray Dryer
Optimal Drying for Sensitive Materials:
This explosion-proof spray dryer operates in a sealed environment, using inert gas as the drying medium to fully recover solvents from raw materials. The recyclable drying medium provides superior protection for sensitive materials.
- Input:
- Solutions, Emulsions, Suspensions
- Output:
- Powder with 3%–8% moisture content
- Temperature:
- Inlet air temperature range of 100°C to 300°C
- Suitability:
- Anaerobic, explosion-proof and low-temperature conditions

Pilot Freeze Dryer
Categories: Freeze Dryer, Commercial Freeze Dryer, Laboratory Freeze Dryer
Cutting-Edge Precision Freeze Drying Technology:
The Pilot Freeze Dryer stands out for its accuracy and precision, making it a crucial tool in sectors like pharmaceuticals, biotechnology and food processing. It upholds the chemical and structural integrity of products by drying them at low temperature under vacuum, and offers configurable shelf layouts to accommodate substances ranging from delicate biological materials to sturdy chemical compounds.
- Input:
- Liquids, extracts, blocks, slices, strips
- Output:
- Dehydrated liquids, concentrated extracts, dried blocks, slices and strips
- Temperature:
- Capable of achieving temperatures as low as -55°C
- Additional Feature:
- Defrost System

Benchtop Freeze Dryer
Categories: Freeze Dryer, Laboratory Freeze Dryer
Compact Freeze Drying for Lab and Small-Scale Production:
The Benchtop Freeze Dryer brings full freeze-drying capability to a footprint that fits a lab bench or small production room. Automated controls streamline each cycle, while low-temperature vacuum drying preserves the structure and properties of pharmaceutical materials, biological specimens and food products — a dependable choice for drug and vaccine preparation, sample preservation and small-batch trials.
- Input:
- Pharmaceutical materials, biological specimens, food products
- Output:
- Freeze-dried product with preserved structure and properties
- Type:
- Laboratory / small-scale vacuum freeze drying
- Cold Trap:
- Down to -80°C

Round Freeze Dryer
Categories: Freeze Dryer, Commercial Freeze Dryer, Industrial Freeze Dryer
Maximize Output with Cylindrical-Chamber Freeze Drying:
The Round Freeze Dryer uses a cylindrical chamber that maximizes space usage for large-batch freeze drying at industrial scale. Built to handle big batches without compromising quality or efficiency, it helps companies expand freeze-drying capacity for pharmaceuticals, biological samples and food products while minimizing waste.
- Input:
- Pharmaceuticals, biological samples, food products (large batches)
- Output:
- Freeze-dried product with extended shelf life
- Temperature:
- Adjustable -50°C to -80°C
- Design:
- Cylindrical high-capacity chamber

Cabinet Freeze Dryer
Categories: Freeze Dryer, Industrial Freeze Dryer
State-of-the-Art Cabinet Freeze Dryer for Industrial Use:
This Cabinet Freeze Dryer is crafted to extract moisture efficiently from a wide array of products. Using a freeze-drying technique, it lowers temperatures to optimal levels and converts moisture directly from solid to vapor — ensuring top-notch preservation and quality without a liquid phase.
- Input:
- Pharmaceutical ingredients, food products, chemical compounds
- Output:
- Stably dried and preserved materials
- Temperature:
- -50°C to -80°C

Home Food Freeze Dryer
Categories: Freeze Dryer, Home Freeze Dryer
Easy, Efficient Food Freeze Drying:
The compact, efficient Home Food Freeze Dryer delivers top-notch results with minimal hassle. It preserves foods while keeping their nutrients and flavors intact, running the full freeze-drying process — freezing, primary drying (sublimation) and secondary drying (adsorption) — so food stays well preserved for long-term storage.
- Input:
- Fresh fruits, vegetables, meats, and prepared meals
- Output:
- Freeze-dried food with extended shelf life
- Temperature:
- -50°C to -80°C (standard)
Preserving Heat-Sensitive Materials Below Standard Drying Temperatures
The ZPG vacuum rake dryer, FZG static vacuum cabinet dryer, DZLG ribbon conical vacuum dryer and GXP closed-circulation spray dryer all operate at reduced temperature under vacuum, alongside the full freeze dryer range for the lowest-temperature drying available.
Materials That Need Low-Temperature Drying
Heat-sensitive APIs, enzymes and biologics that lose activity above moderate temperatures. Flavor and aroma compounds in food and herbal extracts that degrade under standard heat. Materials prone to oxidation or chemical change when exposed to prolonged high temperature.
