XINYANG LG200 food and fruit lyophilizer freeze dryer with aluminum trays

Working Princple of Freeze Drying Machine

  Under vacuum condition, material is freeze dried via principle of sublimation. The moisture in the pre-frozen material is directly sublimed from solid state (ice) to gaseous state (vapor), without melting. Freeze dried products are formed to be sponginess, without shrinkage and excellent in rehydration, containing little water only. The freeze dried product in sealed packaging can be stored and transported at room temperature for a long time.

Advantages of Freeze Drying Equipment

1. Efficient in heating plates. The material of heating plates is aviation aluminum after being anodized on the surface, releasing over 100% heat from the product by radiation. This makes heat more uniform and complete.

2. Alternate vapor trap. Double trap is installed under the heating plates in drying chamber. Trap 1 condenses vapor to its maximum cpacity, then trap 2 starts to work. In the meantime, trap 1 begins to melt ice for another condensation cycle.

3. Continous de-icing. When the trap 2 begins to catch vapor, the trap 1 begins to melt ice on the coil  during drying. After melting, the clean coil is ready for another condensation cycle.

4. Automatic control system. Advanced intelligent control system keeps the system running stably and reliably in a long time. Furthermore, simple operation can be much easier to handle.

Advantages of Freeze Dried Products

1. Nutrition basically remains. As drying is operated in low temperature and vacuum condition, the nutrition is kept completely.

2. Form basically remains. The water of food is drained directly from solid to gas, so the structure doesn’t change.

3. Colour basically remains. As drying is operated in low temperature and vacuum condition, the physical and chemical property of food changed little. There is also possibility of oxidation and enzyme, thus easy to keep original color.

4. Fragrance basically remains. Because the fragrant components in food largely exist in amorphous concentrated section during freezing, the fragrance can be kept when ice crystals are gasified.

5. The quality of product hardly losses. Because of the low rate of sublimating, the substance is basically in quiescent state. Thus the loss of product can be ignored.

1. We guarantee that the commodity hereof is made of the best materials and new brand with top workmanship, and in accordance with quality specification stipulated in product Contract and Appendix.

2. Guarantee period shall be within 12 months from the date of acceptance. During this period, if there are quality problems, we will provide solution by verbal or written communication. If the problem is unsolved, our engineers will repair for you on site as soon as possible. The maintenance is free when there are non-operation errors; otherwise it is for the buyer’s account.

Training plan: We will provide training for those who operate and maintain the freeze-drying machines. Trained by supplier of the equipment in the process of installation and debugging, people can operate  and solve the basic mechnical problems independently. In addition, the persons who work in general engineering such as refrigeration, boiler, and transformer substation shall be undertaken by skilled workers.

Q: Why freeze dried food is so popular?
A: Freeze-drying is a scientific art, combining science and controlled process to result in beautifully preserved food. It retains the most nutrients than any other food preservation method, and maintains its color and flavor. Freeze-drying is also one of the safest methods of food handling used today.
In the food service environment, freeze-dried products require no further handling. They’re ready to eat or be incorporated into products and recipes. In contrast, frozen foods may need to be thawed, then cut, sliced, or diced. Proper thawing measures can stave off pathogen multipliers, but bacteria flourish at room temperature.
Freeze-dried food can help you deliver clean ingredients to consumers. Not only are freeze-dried products easy and versatile, they have a long shelf life and add unique flavor and texture to your new or existing products.

Q: What is freeze drying processing ?
A: Freeze-drying—technically known as lyophilisation, lyophilization, or cryodesiccation—is a dehydration process typically used to preserve a perishable material or make the material more convenient for transport. Freeze-drying works by freezing the material and then reducing the surrounding pressure to allow the frozen water in the material to sublime directly from the solid phase to the gas phase.

Q: How many properties of freeze-dried products?
A: If a freeze-dried substance is sealed to prevent the reabsorption of moisture, the substance may be stored at room temperature without refrigeration, and be protected against spoilage for many years. Preservation is possible because the greatly reduced water content inhibits the action of microorganisms and enzymes that would normally spoil or degrade the substance.
Freeze-drying also causes less damage to the substance than other dehydration methods using higher temperatures. Freeze-drying does not usually cause shrinkage or toughening of the material being dried. In addition, flavours, smells and nutritional content generally remain unchanged, making the process popular for preserving food. However, water is not the only chemical capable of sublimation, and the loss of other volatile compounds such as acetic acid (vinegar) and alcohols can yield undesirable results.
Freeze-dried products can be rehydrated (reconstituted) much more quickly and easily because the process leaves microscopic pores. The pores are created by the ice crystals that sublimate, leaving gaps or pores in their place. This is especially important when it comes to pharmaceutical uses. Freeze-drying can also be used to increase the shelf life of some pharmaceuticals for many years..

Q: Do you provide food samples test? Is it free or extra ?
A: Yes, we could offer the sample test for free charge.

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Company Information

  Shenyang Aerospace Xinyang Quick freezing Equip. Manuf. Co., Ltd was founded in 1985, a leading enterprise incorporating the research, manufacturing, sales and services of food processing equipment and freezing technology. Freeze drying equipment and IQF freezing equipment are widely used around the world.

Xinyang Company closely cooperated with Atlas Company in Denmark, Harbin Commerce University, Zhejiang University and Northeastern University, etc., supporting over 1,000 food engineering projects both domestically and abroad.

It is one of the earliest, largest and most influential professional manufacturers in China. Our products have been exported to USA, Canada, Germany, Netherland, Singapore, Thailand, Malaysia, Indonesia, Korea, Myanmar, Chile, Nigeria etc. The company pays highly attention to food quick freezing, vacuum freeze drying, vacuum frying solution and pre-processing system.

Now Xinyang Company aims to give all of our customers best products and services.