Cold room is a type of refrigeration equipment. Cold room refers to the use of artificial means to create an environment different from outdoor temperature or humidity, and is also a constant temperature and humidity storage equipment for food, liquid, chemical, pharmaceutical, vaccine, scientific experiments and other items. Cold room is usually located near the shipping port or origin. Compared with refrigerators, cold room has a larger cooling area and has a common cooling principle. Cold room has been an important part of the logistics industry since the end of the 19th century. Cold room is mainly used for the constant temperature and humidity storage of semi-finished products and finished products such as food, dairy products, meat, aquatic products, poultry, fruits and vegetables, beverages, flowers, green plants, tea, medicines, chemical raw materials, electronic instruments, tobacco, alcoholic beverages, etc. Cold room is a type of refrigeration equipment. Compared with refrigerators, the refrigeration area is much larger, but they have the same refrigeration principle.
Generally, cold rooms are refrigerated by refrigerators, and liquids with very low vaporization temperature (ammonia or freon) are used as coolants to evaporate under low pressure and mechanical control conditions, and absorb the heat in the storage, so as to achieve cooling and cooling. Purpose.
The most commonly used is the compression refrigerator, which is mainly composed of a compressor, a condenser, a throttle valve and an evaporating tube. According to the way of evaporation tube device, it can be divided into direct cooling and indirect cooling. Direct cooling installs the evaporating tube in the refrigerated warehouse. When the liquid coolant passes through the evaporating tube, it directly absorbs the heat in the warehouse to cool down.
In indirect cooling, the air in the warehouse is sucked into the air cooling device by the blower, and after the air is absorbed by the evaporating pipe coiled in the cooling device, it is sent into the warehouse to cool down. The advantage of the air cooling method is that the cooling is rapid, the temperature in the warehouse is relatively uniform, and the harmful gases such as carbon dioxide generated during the storage process can be taken out of the warehouse.
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Post time: Jun-03-2022