1、 Product Overview:
FD vacuum freeze-drying is currently a relatively common method for material dehydration. This technology involves freezing water containing substances at low temperatures, then directly sublimating the water in a vacuum state, and capturing the sublimated water vapor through condensation to achieve the purpose of material dehydration and drying
The physical, chemical, and biological states of substances that have undergone FD vacuum freeze-drying remain largely unchanged, with minimal loss of volatile components and thermally denatured nutrients. The freeze-dried substance appears porous and has a volume similar to that before drying. After adding water, due to the large contact area, it can be quickly restored and has a longer storage period in a sealed container
FD vacuum freeze-drying machine is widely used for the development and production of various thermosensitive biological products. For example, vaccines, medicines, vacuum packaging of vegetables, snake powder, fish and turtle capsule pills, etc
With the development of the biopharmaceutical and health industry, as well as the food and health product industry, vacuum freeze-drying machines have become equipment for the pharmaceutical, food, health product industry, and research institutions

2、 Product features:
The drying vacuum freeze dryer is a new product designed to upgrade and upgrade the existing conventional vacuum drying and drying oven, and to master the core technology. It is manufactured using the principle of vacuum drying, with a compact and reasonable structure, convenient maintenance, fully automatic control, and easy operation; Compared to conventional vacuum drying and oven at the same material heating temperature:

1. Has fast drying speed and reduces time by 3-10 times;

2. Low energy consumption, only 20% -30% of the energy consumption of ordinary dryers;

3. The drying temperature range is wide (-55 ℃~120 ℃ can be dried), and it can be quickly dried within the low temperature range (-20 ℃~50 ℃);

4. The vacuum in the drying room is oxygen free, and the drying quality can be comparable to the quality of fresh raw materials;

5. It can recover organic solvents, which is beneficial for reducing production costs and is particularly suitable for materials containing organic solvents that cannot be dried by ordinary dryers.

6. Vertical door opening structure, which can achieve in-situ freeze-drying of materials;

7. The control system is based on PLC as the core and uses a touch screen as the human-machine operation interface. It records real-time temperature data from multiple channels during the freeze-drying process and can be viewed in curve form. The human-machine interface is clear and intuitive.

8. Pre set shelf temperature control curve to achieve automation of sublimation process.

9. The host is equipped with a USB interface, which can upload freeze-drying data in real-time to the computer and implement functions such as saving, browsing, and printing.

3、 Application scope:

Food industry: Vacuum freeze-drying technology can be used for drying fruits and vegetables, meat and poultry, aquatic products, seasonings, convenience foods, and famous specialty products. It can achieve the goal of maintaining the original color, aroma, taste, shape, and freshness of food, and has good rehydration ability. The finished product is easy to store and transport, with reduced costs and extended shelf life.

Nutrition and health care: The use of vacuum freeze-drying technology in dried royal jelly, ginseng, turtles, turtles, earthworms and other nutritional and health products makes people believe that the nutritional products are pure and natural.

Pharmaceutical industry: Vacuum freeze-drying can be applied to the dehydration and preservation of traditional Chinese and Western medicines such as serum, plasma, enzymes, antibiotics, hormones, etc. Biological research: Blood, bacteria, arteries, bones, skin, corneas, nerve tissues, and various organs that have been stored for a long time using vacuum freeze-drying technology can regenerate with only water supply during use, while still maintaining their biophysical properties.

Other applications such as aerospace insulation ceramic production, preservation of wooden and silk products in archaeology, specimen production, and preparation of special materials can achieve unique effects.

4、 Product specifications and performance

Changzhou Zhihong Drying Technology Co., Ltd. is located in the economically developed center of the Yangtze River Delta, Zhenglu Town, Changzhou City. It borders Shanghai to the east and Nanjing to the west, and is situated at the intersection of Hengshan on the Shanghai Nanjing Expressway. It is more than ten miles away from Changzhou Airport and train station, and the transportation is very convenient. The company is a designated production enterprise in the pharmaceutical equipment industry, chemical equipment industry, and food machinery drying equipment industry in China. The company has 60 categories and more than 280 specifications of products, with an annual output of 500 sets of drying, granulation, mixing, crushing, concentration, and extraction equipment, and its products meet GMP requirements.

The company's main products include pharmaceutical machinery, chemical machinery, food machinery, pigment drying machinery, and other products. The products have now covered various markets across the country and are highly favored and praised by domestic users.

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