Freeze dryers are becoming increasingly popular for preserving food, pharmaceuticals and other perishable items. These innovative machines use a process called lyophilisation to extract moisture from the material, effectively drying it out while maintaining its structure and nutritional value. Freeze dryers work by first freezing the material to be dried, typically in a vacuum chamber. The vacuum removes any air from the chamber, allowing the frozen material to undergo sublimation - the process of converting ice directly into water vapour, bypassing the liquid phase. This process leaves the material bone dry, and ready for long-term storage or packaging. One of the main benefits of freeze dryers is that they allow for preservation without the need for refrigeration, making them ideal for use in remote areas or for emergency preparedness. They also enable food manufacturers to produce space-saving, lightweight and convenient products that can be rehydrated on demand without losing their original quality. When shopping for a freeze dryer, it's important to consider the size and capacity of the machine, as well as its features and ease of use. Some models come with additional components such as vacuum pumps or moisture sensors, which can further enhance the drying process and improve efficiency. Overall, freeze dryers offer a reliable and efficient method for preserving a wide range of materials, from food and pharmaceuticals to art and historical artifacts. Whether for personal or commercial use, investing in a quality freeze dryer is a smart choice for long-term preservation and cost savings.

Hangzhou Kejie Environmental Protection Co., Ltd., a professional enterprise engaged in the design and manufacture of cryogenic air separation, VPSA oxygen plant, compressed oxygen purification equipm

Hangzhou Kejie Environmental Protection Co., Ltd., a company specializing in the design and manufacture of cryogenic air separation and oxygen production equipment, has recently observed an increasing

Imagine being out at sea, perhaps on a luxury cruise, enjoying the vast expanse of the ocean and the fresh salt air. But then, you realize that you need oxygen therapy to help with a respiratory condi