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Laboratory freeze-drying machine
  • Laboratory freeze-drying machine
  • Laboratory freeze-drying machine
  • Laboratory freeze-drying machine
  • Laboratory freeze-drying machine

Laboratory freeze-drying machine

Product Category: Lab Freeze Dryer
Beijing Songyuan Huaxing Technology Development Co., Ltd. specializes in producing laboratory freeze-drying machines with low prices and low maintenance costs. It has more than 20 years of industry experience. Branches and special repair stations have been established throughout the country.
Place of Origin: Made in China
Price: 1700-350000USD/set
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Laboratory freeze-drying machine is designed for freeze drying food material. It requires a large production capacity, lower equipment cost and lower cost on energy consumption. We focus on manufacturing this type of freeze dry machine for 10 years and more with rich installation experience in home and abroad.

Why to choose laboratory freeze-drying machine? 

Do you hope to have an equipment to dry fresh food material without nutrition lost, and meanwhile preserves its original taste, flavor and color? Only freeze dry machine can meet this requirement. Do you want to get the most healthy dried food with the lowest cost far away from those outrageously expensive pharmaceutical freeze-dryers? Our freeze dry machine can make it. 

 

Remarkable advantage of freeze-dried food:

1, Retain biological activity

To retain biological activity as much as possible, the material must be in low temperature environment, but on the contrary, drying needs heat involved. Heating will destroy biological activity and nutrition. Our solution is to get the liquid water in the material completely frozen to solid status. The water in the material is solid ice status during the whole heating processing till the material is completely dried. So, the biological activity is retained greatly.

2, No damage to the nutrition

Heating is no doubt the main reason of nutrition damage. By using our freeze dry machine, heating processing occurs after material gets completely frozen to ice status. Thus, it typically retains 97% of the nutritional value.

3, Taste, color and appearance

Lyophilized by our freeze dry machine, the material still tastes fresh, delicious as a snack, but a different try. The freeze dried material remains the same color, flavor and appearance as it was firstly harvested. And the volume of freeze dried material has no change, that is to say the appearance has no shrink or toughen. It is the real high quality preserved food.

4, Longer shelf-life

Freeze dried food material has a longer preservation time than frozen food, canned food and oven drying food. Having freeze dried food storage, you do not need to rack your brains what to eat and far away from pigmentum, additive, GMO and anti-season food material. Freeze-drying help us design a healthy lifestyle.

Laboratory freeze-drying machine Installation and training:

We have engineers with 10 years installation experience available for our freeze dry machine installation guidance and service; and train customer's workers operate the machine.

Laboratory freeze-drying machine Packing and delivery

Small freeze dry machine normally packed by wooden box and shipped by standard container. If export to European countries or north America countries, the wooden box will be fumigated. As the chamber of freeze dry machine FD-500-FD2500 is too big, the vessel is shipped by FR container or bulk vessel, the rest normally packed by wooden box and shipped by standard container.

Laboratory freeze-drying machine Working principle: 
In a sealed vacuum surrounding, by heating the complete frozen food material, the moisture in the frozen material will be evaporated to a continuous frozen vapor condenser. After 20-30 hours, the food material is dried, the water is moved to vapor condenser of the freeze dry machine. 

Construction and main components of freeze dry machine:

Each single freeze dry machine is composed by a vessel/chamber with shelf plates, trays and vapor condensers inside. The vessel can be cylinder shaped or cuboid shaped.

All-in-one: for small freeze dry machine, all components can be mounted on one frame. It is easy to install and ship.

Assemble: for big freeze dry machine, vessel is one individual module, refrigerator is a module, vacuum pump is a module, heating system is a module, and control system is another module. We will get all modules collected on customer's site.

 

1, Vessel, shelf plates, trays and vapor condenser:

Shelf plates and trays can be stainless steel or aluminum, vapor condenser is made of stainless steel. The standard configuration of stainless steel is SUS304, we have SUS316 for option. The standard configuration of shelf plate is welded pieces; we have whole pieces for option. 


2, Refrigerator: 
Brand: Refcomp, Bitzer, Carrier, Frascold, Hanbell, Fusheng, and Chinese local brands for your option.

The refrigeration system freezes the shelf plates during in-place freezing, evacuation and the early stages of drying. It also freezes the vapour condenser during the drying cycle. Screw type of compressor is adopted on the large scaled freeze dry machine and piston for small ones, and the refrigerant used is R404A, R507 etc environment friendly Freon. 

 

3, Vacuum pump

Brand: Tuthill, Edwards, Leybold, Ulvac, Diavac and Chinese local brands for your option. 

The vacuum system is composed of drying chamber, condenser, vacuum pipes, valves, back pump and holding pump. It requires no leaks; Vacuum system is an essential for the rapid sublimation. Backing pumps and holding pumps are required for large scaled freeze dry machine to give efficient capacity for evacuation.

 

4, Heating system

The heat-plates are cooled or heated with a heat transfer fluid. This fluid can be chilled or heated to provide in-place freezing or heating of the product during the drying cycle. An electric boiler directly heats the fluid, and chilling is through an intermediate heat exchanger. A centrifugal pump provides the forced circulation of the heat transfer fluid. Optional fluid: ethanol, glycol, silicon oil, deicing fluid, alcohol, water etc.

 

5, Defrost system

Water is used for defrosting the vapour condenser. As an optional extra, heat can be reclaimed from the refrigeration compressor to enable 60C hot water defrost, greatly reducing defrosting times over conventional cold water.

 

6, Control system

Brand: Siemens or Advantech or local brand for option. 
CE, UL approved Siemens or Advantech PLC is adopted for control system. All electrical components are compatible with local supplies including voltage, frequency, wire, motor circuit breakers and overload protection. A variety of sensors support the data acquisition and control of freeze dry machine: Pressure transducers are fitted, which monitor and control the refrigeration system. Vacuum pressure is monitored at the product chamber. Temperature sensors measure and control the heating fluid.

Laboratory freeze-drying machine Application of our freeze dry machine: 
Vacuum freeze-drying technology is applied to process food material to make freeze dried food. The freeze dry machine is used in all conceivable kinds of agricultural products with top drying quality. 
Fruits: durian, strawberry, mango, apricot, kiwifruit, pineapple, lemon, raspberry, avocado, banana etc.
Vegetables: broccoli, parsley, mushroom, bean, scallion, asparagus, onion, celery, carrot, tomato, pepper etc.
Other food: beef, coffee, colostrums, herbal, flower, tea, honey, sea food and all kinds of pets food.

Laboratory freeze-drying machine Installation and training:

We have engineers with 10 years installation experience available for our freeze dry machine installation guidance and service; and train customer's workers operate the machine.

Laboratory freeze-drying machine Packing and delivery

Small freeze dry machine normally packed by wooden box and shipped by standard container. If export to European countries or north America countries, the wooden box will be fumigated. As the chamber of freeze dry machine FD-500-FD2500 is too big, the vessel is shipped by FR container or bulk vessel, the rest normally packed by wooden box and shipped by standard container.

Laboratory freeze-drying machine Working principle: 
In a sealed vacuum surrounding, by heating the complete frozen food material, the moisture in the frozen material will be evaporated to a continuous frozen vapor condenser. After 20-30 hours, the food material is dried, the water is moved to vapor condenser of the freeze dry machine. 

Construction and main components of freeze dry machine:

Each single freeze dry machine is composed by a vessel/chamber with shelf plates, trays and vapor condensers inside. The vessel can be cylinder shaped or cuboid shaped.

All-in-one: for small freeze dry machine, all components can be mounted on one frame. It is easy to install and ship.

Assemble: for big freeze dry machine, vessel is one individual module, refrigerator is a module, vacuum pump is a module, heating system is a module, and control system is another module. We will get all modules collected on customer's site.

 

1, Vessel, shelf plates, trays and vapor condenser:

Shelf plates and trays can be stainless steel or aluminum, vapor condenser is made of stainless steel. The standard configuration of stainless steel is SUS304, we have SUS316 for option. The standard configuration of shelf plate is welded pieces; we have whole pieces for option. 


2, Refrigerator: 
Brand: Refcomp, Bitzer, Carrier, Frascold, Hanbell, Fusheng, and Chinese local brands for your option.

The refrigeration system freezes the shelf plates during in-place freezing, evacuation and the early stages of drying. It also freezes the vapour condenser during the drying cycle. Screw type of compressor is adopted on the large scaled freeze dry machine and piston for small ones, and the refrigerant used is R404A, R507 etc environment friendly Freon. 

 

3, Vacuum pump

Brand: Tuthill, Edwards, Leybold, Ulvac, Diavac and Chinese local brands for your option. 

The vacuum system is composed of drying chamber, condenser, vacuum pipes, valves, back pump and holding pump. It requires no leaks; Vacuum system is an essential for the rapid sublimation. Backing pumps and holding pumps are required for large scaled freeze dry machine to give efficient capacity for evacuation.

 

4, Heating system

The heat-plates are cooled or heated with a heat transfer fluid. This fluid can be chilled or heated to provide in-place freezing or heating of the product during the drying cycle. An electric boiler directly heats the fluid, and chilling is through an intermediate heat exchanger. A centrifugal pump provides the forced circulation of the heat transfer fluid. Optional fluid: ethanol, glycol, silicon oil, deicing fluid, alcohol, water etc.

 

5, Defrost system

Water is used for defrosting the vapour condenser. As an optional extra, heat can be reclaimed from the refrigeration compressor to enable 60C hot water defrost, greatly reducing defrosting times over conventional cold water.

 

6, Control system

Brand: Siemens or Advantech or local brand for option. 
CE, UL approved Siemens or Advantech PLC is adopted for control system. All electrical components are compatible with local supplies including voltage, frequency, wire, motor circuit breakers and overload protection. A variety of sensors support the data acquisition and control of freeze dry machine: Pressure transducers are fitted, which monitor and control the refrigeration system. Vacuum pressure is monitored at the product chamber. Temperature sensors measure and control the heating fluid.


 

Laboratory freeze-drying machine Application of our freeze dry machine: 
Vacuum freeze-drying technology is applied to process food material to make freeze dried food. The freeze dry machine is used in all conceivable kinds of agricultural products with top drying quality. 
Fruits: durian, strawberry, mango, apricot, kiwifruit, pineapple, lemon, raspberry, avocado, banana etc.
Vegetables: broccoli, parsley, mushroom, bean, scallion, asparagus, onion, celery, carrot, tomato, pepper etc.
Other food: beef, coffee, colostrums, herbal, flower, tea, honey, sea food and all kinds of pets food.

Laboratory freeze-drying machine Related users (part)
Tsinghua University Peking University Huazhong Agricultural University
Beihang University, Chinese Academy of Medical Sciences, Nanjing University of Science and Technology
Beijing University of Science and Technology China Agricultural University South China University of Technology
Beijing Institute of Technology Nanjing University of Technology Xi'an University of Technology
Sichuan University Hunan University Qiqihar University
Tianjin University Lanzhou University Xiamen University
Tongji University Nanjing University Shenyang Pharmaceutical University
Zhejiang Sci-Tech University Zhongshan University Wuhan University
Zhejiang University Hunan University of Science and Technology Wuhan University of Technology
University of Science and Technology of China, Guangdong Ocean University Hubei Hong Pharmaceutical Co., Ltd.
Civil Aviation University of China Shenyang University of Technology Institute of Process Engineering, Chinese Academy of Sciences
Huazhong University of Science and Technology Beijing Orchard Research Institute Changsha Qixi New Material Technology Co., Ltd.
Beijing University of Chemical Technology Shandong Daguan Pharmaceutical Technology Co., Ltd. Dongguan City Original Ecological Biotechnology Co., Ltd.
Guizhou Institute of Biotechnology Sanming Hezhong Biotechnology Co., Ltd Harbin Children's Pharmaceutical Factory
National University of Defense Technology Changchun Hengchen Biotechnology Co., Ltd. Jinan Hengjian Pharmaceutical Technology Co., Ltd.
Institute of Chemistry, Chinese Academy of Sciences Dongguan Lujian Biotechnology Co., Ltd. Institute of Materia Medica, Chinese Academy of Medical Sciences
South China Sea Fisheries Research Institute Shanghai Institute of Materia Medica, Chinese Academy of Sciences Jiangsu Ouwei Pharmaceutical Co., Ltd.
Ministry of Agriculture Planning and Design Institute Shenzhen Jianyuan Pharmaceutical Technology Co., Ltd. Hangzhou Baicheng Pharmaceutical Technology Co., Ltd.
China Institute of Metrology Science Dongguan Sanwei Biotechnology Co., Ltd. Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences
Liaoning Wanjia Pharmaceutical Technology Co., Ltd. Suzhou Global Chromatography Co., Ltd. China Food and Drug Testing Institute Food Institute

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