Preservation device for freeze-drying food with predetermined shape, and application method thereof

Abstract

The invention provides a preservation device for freeze-drying food with a predetermined shape, and an application method thereof, and relates to the technical field of freeze-drying food preservation. The preservation device comprises a case body, wherein a display is arranged on the upper end of the case body; a connecting rod is arranged on the lower end of the display; a shock absorption layeris arranged on the inner side of a seal layer; a preservation box body is arranged on one side of the shock absorption layer; an anti-radiation layer is arranged on the inner side of the preservationbox body; a temperature controller is arranged in a defreezing device; a refrigerating assembly is arranged in a support tray; a vacuum pump is arranged on one side of the case body; a trap pump valve is arranged on the lower end of the vacuum pump; a through slot is formed in the lower end of the trap pump valve; a box door is arranged on one side of the hinge; and a handle is arranged in the box door. The problems that according to a preservation device in the current market, selling points such as the predetermined shape cannot be added, defreezing cannot be realized quickly, normal operation of the device cannot be ensured, the cleanliness and the health of internal air cannot be ensured, the oxygen content in the device cannot be detected in time, the preservation degree of food cannot be ensured, and the selling of freeze-draying food is affected are solved.

Description

technical field [0001] The invention relates to the technical field of freeze-dried food preservation, in particular to a freeze-dried food preservation device with a predetermined shape and an application method thereof. Background technique [0002] Freeze-dried food is the abbreviation of vacuum freeze-dried food, also known as FD food. Due to the special process of freeze-drying, it can maintain the color, fragrance, nutrition and appearance of the original fresh food to the greatest extent; in addition, freeze-dried products It can be stored at room temperature for more than 5 years without preservatives, and the finished product is light in weight and easy to carry and transport. It is an excellent method for processing tourism, leisure, and convenience foods. Aristocrats have quietly entered people's lives. In supermarkets, colorful freeze-dried green fruit slices, freeze-dried instant soups, freeze-dried dehydrated seafood, vegetables, etc. can be seen everywhere. Fr...

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Problems solved by technology

[0003] At present, most of the preservation devices in the market cannot predetermine the desired shape of the freeze-dried food to increase the selling point, and cannot effectively and quickly defrost to ensure the normal operation of the body and the clean and hygienic internal air. When subjected to external forces, it is easy to cause the body If the storage device is damaged, the storage device must be sealed and light-tight. The existing storage device cannot prevent radiation and will also affect the freeze-dried food, and cannot detect the oxygen content in the device in time, and cannot guarantee the freshness of the food, which will affect freeze-drying. food sales

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