Vegetables And Fruit Dryer Industrial Lyophilizer

Food Freeze Dryer Vegetables And Fruit Dryer Industrial Lyophilizer
Food Freeze Dryer Vegetables And Fruit Dryer Industrial Lyophilizer

Vegetables And Fruit Dryer Industrial Lyophilizer

Food Freeze Dryer Vegetables And Fruit Dryer Industrial Lyophilizer Factors affecting the freeze-drying cycle The entire process of freeze-drying is actually a process of simultaneous heat and mass transfer (water vapor). The heat and mass transfer rate together affect the drying rate, thereby...

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Product Introduction

Food Freeze Dryer Vegetables And Fruit Dryer Industrial Lyophilizer

Factors affecting the freeze-drying cycle

The entire process of freeze-drying is actually a process of simultaneous heat and mass transfer (water vapor). The heat and mass transfer rate together affect the drying rate, thereby affecting the entire freeze-drying cycle. All factors that affect heat and mass transfer will affect The drying rate is simply analyzed as follows:

1. The form and composition of the material

According to the form of freeze-dried materials, it is usually divided into solid and liquid. The shape of the solid and the concentration of the liquid have a greater impact on the freeze-drying rate.

2. Pre-freezing rate

The size of the crystals formed during freezing greatly affects the drying rate and the dissolution rate of the dried product. The process of quick freezing and slow freezing has the following differences: the ice crystals produced by quick freezing are smaller, and the ice crystals produced by slow freezing are larger. Large ice crystals are good for sublimation, while small ice crystals are not good for sublimation. Fast freezing leads to low sublimation rate and fast desorption rate; slow freezing results in fast sublimation rate and slow resolution rate.

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Parameters

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