Introduction:

Vacuum Freeze Drying Machine is widely used in food, fruit, vegetable, fish, sea cucumer,shrimp, meat drying indstury, chemical and biological industry etc. the dried product dried by freeze dryer is with good taste, beautiful color and good shape.Compared with air drying, dehydration and other technologies, the biggest characteristic of freeze-dried food is to retain the color, aroma, taste, shape of the product and the nutritional composition of the original ecological food.

Main Features:

1.compact conformation, convenient maintain, low price, full automatic control and convenient operation;.

2.multi-function, can be used in many materials, like food, fruit, vegetable, fish, sea cucumber, etc. 
3.excellect design, low energy cost, only need to work by using electricity.
4.Solid stainless steel sample tray and chamber reliable for sample safety and easy for cleaning.
5.Clear organic glass door with direct observation of sample processing.
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Technical paremeter:

Model	HFD-1	HFD-4	HFD-6
Drying area (square meter)	0.1	0.4	0.6
Cold trap temp.	minus 40ºC
Limit vacuum	15Pa
Capacity per batch	1~2kg	4~6kg	6~8kg
Shelf gap(mm)	45mm	45mm	50mm
Voltage	220V, 50Hz
Power	750W	1100W	2300W
Weight	50kg	80kg	120kg
Tray	140*278mm, 3pcs	200*450mm, 4pcs	330*440mm, 4pcs
Dimension	400*550*700mm	510*700*850mm	710*800*1100mm

Product Details:
Working Principle:
This freeze vacuum dryer is that the machine remove the moisture in the pre-frozen material under the high vacuum state, it makes the moisture steamed under Ice state,don't have to melt into water..It means, yes, you are corretc, this machine will pre-frozen the material and then creat high vacuum state to heat the materi to dry with low temperature. which will best maintain the hysical properties, and can keep long after drying,compared with other drying ways.

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Freeze-drying process:

1. Wash and tidy
2. Cut into slices, cut into pieces
3. Lay flat on material tray and put into lyophilization chamber.
4. Set up the freeze-drying process, the equipment intelligent control operation.
5. After lyophilization, take out the sealed package