Litchi Freeze-drying Machine

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Litchi freeze-drying machine

(1) Process flow

Selection of raw materials → selection → fruit washing → shelling and cored → cleaning → cutting → pre-freezing → freeze-drying → packaging

(2) Operational points

Refer to Litchi Quick Frozen for selection, pre-treatment and pre-freezing. Prefreeze the chopped litchi meat to -- 30C. During lyophilization, the temperature of the cold trap is pre-cooled to -35 ℃, the drying chamber door is opened, the lychee is loaded with frozen thoroughly, the chamber door is closed, and the vacuum unit is started to empty. When the vacuum degree reaches 60Pa, the heating is started. During the heating process, the stable working vacuum degree should be guaranteed, and the highest temperature of the goods should not exceed 50℃. Lyophilized, vacuumed and packed with nitrogen.

Food freeze-drying machine technology application, FZG food freeze-drying machine is the first food pre-frozen into solid state, and then under the vacuum environment, sublimation into water vapor and get dry food products technology application. The main advantages of the technology are: after drying, the nutrition activity of the food, color, body shape is basically unchanged, the material is sponge-like, no shrinkage; The rehydration can quickly return to the original character. Can remove 95 ~ 99% of the moisture in the material, the product has a long shelf life and is easy to transport, easy to eat.

Parameter:

Model	KFD-20	KFD-25	KFD-30	KFD-50	KFD-100
Tray area(m²)	20	25	30	50	100
Input capacity(kg/batch)	200	250	300	500	1000
Min. cold trap temperature(℃)	<-45℃	<-45℃	<-45℃	<-45℃	<-45℃
Vacuum degree(pa)	<10pa	<10pa	<10pa	<10pa	<10pa
Tray temp.	-35~+100℃	-35~+100℃	-35~+100℃	-35~+100℃	-35~+100℃
Tray quantity	18	22	18	28	36
Tray Size(mm)	2200x600	2200x600	3300x600	3300x600	5000x600
Cooling method	Water cooled	Water cooled	Water cooled	Water cooled	Water cooled
Total power(kw)	45	50	60	100	180
Total weight(kg)	8000	9000	11000	20000	40000

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