Vacuum freeze-drying utilizes sublimation: materials are rapidly frozen at low temperatures, after which water molecules sublimate directly from ice to vapor under vacuum. Maintained at low temperatures throughout the process, the material preserves uniformly distributed ice crystals, eliminating concentration risks caused by dehydration. This mechanism prevents side effects such as foaming and oxidation. The end product features a porous “dry sponge” architecture, maintaining original volume for complete rehydration while minimizing physical, chemical, and biological degradation.
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Vacuum freeze-drying utilizes sublimation: materials are rapidly frozen at low temperatures, after which water molecules sublimate directly from ice to vapor under vacuum. Maintained at low temperatures throughout the process, the material preserves uniformly distributed ice crystals, eliminating concentration risks caused by dehydration. This mechanism prevents side effects such as foaming and oxidation. The end product features a porous “dry sponge” architecture, maintaining original volume for complete rehydration while minimizing physical, chemical, and biological degradation.
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Vacuum freeze-drying technology, also known as sublimation drying, is a method that pre-freezes water-containing materials and then sublimes their water under vacuum. Freeze-dried items retain their original biochemical properties, are suitable for long-term storage, can be restored to their original state by rehydration, and maintain structural and functional integrity. Therefore, this technology is widely applied in fields such as the pharmaceutical industry, food industry, chemical industry, and biotechnology.
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Vacuum freeze-drying technology, also known as sublimation drying, is a method that pre-freezes water-containing materials and then sublimes their water under vacuum. Freeze-dried items retain their original biochemical properties, are suitable for long-term storage, can be restored to their original state by rehydration, and maintain structural and functional integrity. Therefore, this technology is widely applied in fields such as the pharmaceutical industry, food industry, chemical industry, and biotechnology.
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Vacuum freeze-drying technology, also known as sublimation drying, is a method that pre-freezes water-containing materials and then sublimes their water under vacuum. Freeze-dried items retain their original biochemical properties, are suitable for long-term storage, can be restored to their original state by rehydration, and maintain structural and functional integrity. Therefore, this technology is widely applied in fields such as the pharmaceutical industry, food industry, chemical industry, and biotechnology.
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LC-FD Series Small Home Freeze Dryers utilize vacuum freeze-drying technology, which pre-freezes water-containing materials and sublimes their moisture under vacuum to achieve drying. Freeze-dried items retain their original biochemical properties, are suitable for long-term storage, can be restored to their original state by rehydration, and maintain structural and functional integrity. Ideal for home use in freeze-drying vegetables, fruits, meats, and other items.
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The LC-YDS Series liquid nitrogen tanks feature an aluminum alloy shell and inner chamber, offering lightweight construction, high strength at cryogenic temperatures, and superior corrosion resistance. The neck tube, constructed from fiberglass-reinforced plastic (FRP), combines high mechanical strength with minimal thermal conductivity. The multi-layer insulation system utilizes high-reflectivity aluminum foil as radiation shields and low-outgassing thermal insulation materials to minimize heat radiation. The vacuum-insulated space between the shell and inner chamber eliminates convective heat transfer, while high-capacity cryogenic adsorbents ensure long-term vacuum stability and reliable performance.
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The LC-YDB Series Liquid Nitrogen Pumps are important equipment for transferring and replenishing liquid nitrogen. Two liquid nitrogen tanks can be connected via a liquid nitrogen pump to transfer liquid nitrogen from one tank to another.
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Liquid Nitrogen Container Self-pressurized
The LC-YDZ Series Self-pressurizing Liquid Nitrogen supply Tanks are constructed with austenitic stainless steel for the shell, inner chamber, and critical components, ensuring exceptional vacuum integrity and cryogenic performance. Featuring ultra-low discharge pressure, these tanks integrate precision pressure gauges, safety valves, and vacuum-sealed ports for safe and reliable operation. The intelligent self-pressurization system generates internal pressure through controlled Liquid Nitrogen vaporization, enabling efficient liquid transfer for cryogenic container refilling applications.
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