Vacuum Freeze Dryer
Your Professional Vacuum Freeze Dryer Supplier
Zhejiang Kassel Machinery Co., Ltd., located in Zhejiang Province, China, covers an area of 33 acres, with a factory space of more than 30,000 square meters. The company has over ten years of experience in design, manufacturing, management, and sales, ensuring that its products feature energy efficiency, high performance, resistance to both high and low temperatures, high precision, high power, high flow rates, and specialized temperature control capabilities. In addition, the company can customize dedicated temperature control systems to meet the specific needs of its corporate clients.
Vacuum Freeze Dryer is the main products of our company, widely used equipment in the field of biology, pharmacy, food, chemical and other industries. It is mainly used to remove water from materials under low temperature and low pressure conditions by sublimation method, thus preserving the materials in their original state. The machine consists of a refrigeration system, a vacuum system, a heating system, a control system and other components. The materials to be dried are first frozen at a low temperature, and then placed in a vacuum chamber where the water in the material undergoes sublimation and is removed by the vacuum pump.
Why choose us
Certifications
The company complies with the ISO 9001 International Quality Management System and ISO 14001 International Environmental Management System standards, providing a strong guarantee of high product quality.
Sales Market
Our products are exported to the United States, Australia, Poland, Mexico, India, Thailand, Chile, Malaysia, and other countries.
Our Services
1.We provide users with a full range of professional training, including equipment installation, operation, and maintenance.
2.We offer long-term, free technical consulting on product performance, usage, and maintenance.
Vacuum Freeze Dryer
1.Freeze drying is to freeze the water in the materials into a solid by freezing, and then sublimate the solid water ice into water vapor by the vacuum and light heating, so as to achieve the purpose of dehydration.
2.Compared with the heating drying method, freeze drying has many advantages, such as low volatile loss, no preservative, keeping the active ingredients in the material. Therefore, freeze-drying technology is widely used in pharmaceutical, food, scientific research and other fields.
3.Generally speaking, freeze-drying machine is mainly composed of refrigeration system, vacuum system, heating system and control system.
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KFD-5㎡ |
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Construction |
Technical parameters |
Remark |
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Base Structure |
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Effective area of shelves |
5.0㎡ |
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Input capacity |
Approx: 50kg/batch |
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Maximum condenser frosting capacity |
75Kg/batch |
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Power supply |
380V, 50Hz, 3Phase, 5Wire |
According to customer voltage |
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Power consumption |
20Kw |
Depends on specific configuration |
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Cooling Water |
＞10.5T/Hr (T＜32℃, P=0.1-0.15MPa) |
Recyclable |
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Machine size(L*W*H) |
Approx: 2700*1200*2450mm |
Subject to the actual design |
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Main Structure |
Unity type |
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Weight |
Approx: 3200 Kg |
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Dry Chamber |
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Dry Chamber Material |
S30408 |
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Dry Chamber Shape and dimension |
Cylinder φ1100*1100 |
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Door lock |
Hand knob lock |
1pcs |
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Door Open direction |
Right to left |
Decided by customer |
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Open angle |
＞110° |
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Door material |
S30408 |
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Surfaceness |
Ra≤0.4um |
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Observation window |
DN200 |
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Door seal |
O-shaped silicone rubber |
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Temperature sensor |
PT100 |
Hot resistance A Level |
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Shelves |
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Shelf material |
S30408 |
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Shelf Surfaceness |
Ra≤0.4um |
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Shelf quantity.(pcs) |
7+1 layers |
The top layer of the shelves is temperature compensation |
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Stainless steel tray |
395*445*25/ 1.5mm thickness |
28pcs |
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Distance between shelves |
70 mm |
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Shelf dimension(L*W*H) |
800×900×15mm |
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Shelf lowest temperature |
-45℃ |
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Shelf highest temperature |
+80℃ |
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Shelf Cooling Rate |
+20~-40℃≤60min |
No-load |
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Shelf fence |
Prevent the tray cross over the shelf |
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Features
Low-Temperature Drying: Vacuum dryers enable drying operations at lower temperatures. Due to the vacuum state within the drying chamber, the boiling point of water is significantly reduced, allowing materials to be effectively dried at temperatures far below their conventional boiling points. This is particularly crucial for heat-sensitive materials, as it prevents denaturation, color changes, or nutrient loss caused by high temperatures.
Oxidation Prevention: The vacuum environment effectively isolates the material from air contact, preventing oxidation during drying. This is crucial for materials requiring preservation of original color, aroma, and nutritional value.
Structural Preservation: The gentle vacuum drying process protects the material's microstructure and shape. For materials requiring specific form or structure retention (e.g., biological products, foodstuffs), vacuum dryers are an ideal choice.
High Drying Efficiency: Under vacuum conditions, moisture evaporation accelerates, enhancing drying efficiency. Simultaneously, by avoiding heat loss and energy waste associated with high temperatures, vacuum dryers typically achieve superior energy utilization.
Precise Control: Vacuum dryers are often equipped with advanced control systems that precisely regulate parameters such as temperature, humidity, and vacuum levels during the drying process. This precise control ensures stable and consistent drying outcomes, meeting the diverse drying requirements of various materials and products.
High Automation: Modern vacuum dryers typically feature high automation levels, enabling functions such as automatic feeding, drying, and discharge. This not only boosts production efficiency but also reduces labor costs and operational complexity.
Preservation of Structure and Nutrition: By drying at low temperatures, freeze dryers ensure that the physical and nutritional properties of the product are not degraded by heat.
Extended Shelf Life: Products processed through freeze-drying have significantly longer shelf lives, making this method ideal for high-value or strategic stock.
High-Quality End Product: The gentle drying process ensures that the final product rehydrates quickly and completely, retaining its original shape, texture, and flavor.
Reduced Weight: Removing water content dramatically reduces the weight of the product, which is ideal for reducing shipping and storage costs.
Wide Application Range: From foods and pharmaceuticals to floral and document preservation, freeze dryers can be adapted to a multitude of applications.
Operating a freeze dryer requires careful attention to detail and adherence to proper procedures. Here's a general guide on how to operate a freeze dryer:
Prepare the material for freeze drying
Load the material into the freeze dryer
Close the chamber and start the freezing cycle
Once frozen, start the vacuum pump to begin primary drying
Monitor the process and adjust parameters as needed
Begin secondary drying when sublimation is complete
Once the desired moisture content is reached, end the cycle and remove the dried product
Key components of a vacuum dryer
The following are the key components of a vacuum dryer:
Vacuum Chamber
Encloses the product in a controlled atmosphere.
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Heat Source
Provides the necessary energy to aid in the evaporation of moisture.
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Vacuum Pump
Reduces the pressure within the chamber to create a vacuum.
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Condenser
Captures and condenses the vaporized solvents or water.
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Control System
Manages the temperature, pressure, and operational timing to optimize drying.
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LOGISTICS SERVICES
Sea, land and air are all supported.
Certificates
FAQ
As one of the leading vacuum freeze dryer manufacturers and suppliers in China, we warmly welcome you to buy discount vacuum freeze dryer from our factory. For pricelist, contact us now.
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