Industrial Fruit and Vegetable Vacuum Freeze Dryer for Food Processing Industry

Product Description

Detailed Photos
Product Introduction
The vacuum freeze-drying machine uses vacuum freeze-drying technology to directly sublime the moisture in the material into water vapor in an ice state, thereby removing the moisture and achieving the purpose of drying. This method not only preserves the original structure and nutritional components of the material, but also extends its shelf life and maintains its original taste, color, and flavor.
Working principle
The basic principle of vacuum freeze-drying machine is based on the three state changes of water. Water can exist in solid, liquid, and gas states, which can both be converted and coexist with each other. Under high vacuum conditions, utilizing the principle of sublimation, the moisture in pre-frozen materials is directly removed as water vapor through ice sublimation without melting, thus achieving the purpose of freeze-drying. Freeze dried products have a sponge like appearance, no drying shrinkage, excellent rehydration properties, and minimal moisture content. After packaging, they can be stored and transported at room temperature for a long time.
Application area
Vacuum freeze-drying machines are widely used in multiple fields, including:
Medicine: Used to preserve bioactive substances such as serum, bacterial strains, traditional Chinese and Western medicine, etc. Due to its highly sensitive thermal instability, biological agents often require freeze-drying technology to ensure their activity and stability. Biological products, such as virus vaccines, proteins, peptides, and nucleic acids, can effectively maintain their activity and stability through freeze-drying technology. Food: Used for drying dehydrated vegetables, fruits, and other foods to maintain their original structure and nutritional content, and extend their shelf life. Chemical industry: used to process certain chemical raw materials and intermediates to maintain their purity and stability.
Structural composition
The vacuum freeze-drying machine mainly consists of the following systems: Refrigeration system: used to cool materials to a frozen state. Vacuum system: Create a high vacuum environment to promote water sublimation. Thermal oil heating system: provides necessary heat to help the moisture in the material sublime. Moisture removal system: Remove water vapor generated by sublimation and maintain a vacuum state.

Product parameter
Model	VFD-50	VFD-100	VFD-200	VFD-300	VFD-500	VFD-750	VFD-1000	VFD-1200
Freeze area	5cubic meters	10cubic meters	20cubic meters	30cubic meters	50cubic meters	75cubic meters	100cubic meters	120cubic meters
Loading capacity	50kg	100kg	200kg	300kg	500kg	750kg	1000kg	1200kg
Cold water capacity	100kg	200kg	400kg	600kg	1000kg	1500kg	2000kg	2400kg
Layer temp	-50ºC~120ºC	-50ºC~120ºC	-45ºC~120ºC	-45ºC~120ºC	-30ºC~100ºC	-30ºC~100ºC	-30ºC~100ºC	-30ºC~100ºC
Well Temp	-70ºC	-70ºC	-70ºC	-55ºC	-30ºC~-65ºC	-30ºC~-65ºC	-30ºC~-65ºC	-30ºC~-65ºC
Vacuum degree	3pa	3pa	10pa	30pa	30pa	30pa	30pa	30pa
Heating method	Oil	Oil	Oil	Oil	Steam	Steam	Steam	Steam
Power	21kw	36kw	65kw	120kw	180kw	210kg	260kw	320kw
Equipment weight	3500kg	4500kg	6500kg	9500kg	13500kg	\	\	\
For bigger capacity, please contact us.

Product Description
Packaging & Shipping
Company Profile
Nanjing Skycity Industrial Technology Co., Ltd is a professional export-oriented enterprise dedicated to the manufacturing of food processing machinery. The company's products include vegetable and fruit sorting equipment, conveying equipment, cleaning and drying equipment, steaming and sterilization equipment, packaging equipment, meat processing equipment, etc. Nanjing Skycity Industrial Technology Co., Ltd has rich production experience and focuses on product quality and after-sales service, receiving high praise from domestic and foreign customers. Our company's products are widely used in central kitchens and food processing plants, providing users with relevant advice and technical support to help them achieve cost savings and maximize equipment utilization.
The company continuously improves its design, production, maintenance, and debugging capabilities through exchanges and cooperation with multiple domestic and foreign research institutions. The company has a professional technical team dedicated to technological innovation and engineering transformation, ensuring product quality and customer satisfaction.
Nanjing Skycity Industrial Technology Co., Ltd occupies an important position in the food machinery industry, providing comprehensive products and services to meet the needs of central kitchens, large hotels, and school nutrition catering. The company regards technology as its core and quality as its life, providing high-quality after-sales service and receiving high praise from customers. The company has successfully provided equipment and services to multiple well-known enterprises, accumulating rich practical experience.

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