Freeze dryer for food industry
Ouhui FD series freeze dryer is a batch freeze dryer.
It is suitable for industrial production in food factories.
Raw materials are pre-frozen to below - 18 degrees by an external special quick-freezing device.
Applicable to all kinds of vegetables, fruits, meat, all kinds of conditioning food, health products, etc.
Hangzhou Ouhui Machinery Co.,Ltd.,is one step solution of freeze dryer machines.
We locate in Hangzhou, the beautiful city in China, near to Shanghai within one hour of fast train. We have over 12 years of experience in the field of freeze dryer machines.
These years ,we put more emphasis on the machines applied in the field of food ,fruit, vegetables, and herbal medicine. We also supply the pretreat machines if necessary.
The key advantage is, we keep flexible design, low cost ,and fast manufacture.
We already have exported over 600 sets machines to 30 countries.
Welcome contact us and start cooperation.
Ouhui can provide the most reasonable freeze-drying design for food factories through continuous deliberation and improvement of each process in freeze-drying process.
Small FD freeze dryer and test machine (FD1, 2, 3, 5, 10, 20, 30, 50) adopt single cold hydrazine water impingement ice melting system.
After each batch of drying, the ice on the surface of cold hydrazine melts quickly with hot water. After 30 minutes, the ice water can be discharged clean, and then transferred to the next batch of production. The single cooling hydrazine ice melting system ensures the lowest cost of equipment investment.
Large and medium-sized FD freeze dryer (FD50, 100, 150, 200) uses polyhydrazine continuous ice melting system.
There is an isolation valve between each cold hydrazine and the drying tank. When melting ice, the isolation valve is closed once, and the water vapor from the negative pressure steam generator is used for deicing.
After ice melting, cold hydrazine condenses again to the working temperature until it reaches the original working vacuum, and cold hydrazine turns into working state again.
The polyhydrazine system has the following characteristics:
1) The condensation capacity of cold hydrazine is constant.
2) The ice layer of cold hydrazine becomes thinner and the refrigeration energy consumption decreases with high condensation efficiency.
3) The drying batch shutdown time is short and the production output is increased.
The multi-cold hydrazine system ensures the lowest operating cost of the equipment.
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