Cool warehouse bag: What are the advantages and functions of cool warehouse bag?
2021-03-07
Drugs are easily affected by external temperature and humidity during circulation, especially during storage. Therefore, the management of the temperature and humidity of the drug warehouse is an important link to ensure the quality of drugs. Therefore, the relevant departments clearly stipulate that the drug warehouse must formulate and implement a drug storage system, and take necessary cold storage, moisture-proof, insect-proof, rodent-proof and other measures. The "Drug Administration Law" also pointed out that enterprises must have various warehouses and equipment that are suitable for business operations and meet the performance requirements of commodities. Keep the cold storage temperature at 2-10 ° C ; the temperature of the cloth bag in the cool warehouse should not be higher than 20 ° C ;
The storage temperature of the cool cloth bag is lower than that of the ordinary warehouse, and its temperature is between the cold storage and the ordinary warehouse. Refrigeration equipment is usually used to maintain low temperature refrigeration, while conventional air conditioning equipment is usually used for normal temperature storage. Therefore, the choice of cold storage equipment needs to be considered. Relevant studies have shown that using a conventional air conditioning system with the same humidity and the dry bulb temperature falling from 27 to 20 , the energy consumption of the system increases by 55 %, and the primary investment increases by 60 %. Every time the dry bulb temperature decreases by 1 , the energy consumption increases by about 8 %. Therefore, the traditional air conditioning system used to cool the regenerator has high energy consumption and high investment. Therefore, in order to reduce energy consumption as much as possible and achieve the goal of saving energy and reducing consumption, a refrigeration system with obvious energy-saving characteristics should be selected.
The application of bag low-temperature air supply technology in the cool warehouse has reduced the air-conditioning energy consumption of the cool warehouse to a certain extent, and reduced the operating cost of the enterprise. The low-temperature air supply technology is to reduce the air supply temperature of the conventional air-conditioning system of the cold storage, increase the temperature difference between the air supply temperature and the cold storage temperature, thereby reducing the air supply volume, reducing the equipment capacity and energy consumption of the air supply system.
The air supply of the low temperature air conditioning system removes more moisture from the cooling coil. Since the temperature of the air supply is lower than that of the conventional system, the surface temperature of the air supply duct and the terminal air supply device is often lower than the dew point temperature of the indoor air, and condensation water is easily generated on the surface. Therefore, the air supply duct and the terminal air supply device need to be protected from cold. If the existing rigid terminal equipment is used for air supply, it is necessary to select a certain cold insulation material and thickness of the cold insulation layer, thereby increasing the material cost and installation cost. Improper design of the thickness of the cold insulation layer will also cause condensation on the pipe wall. However, if the air supply device at the end of the cool storage bag is used, since the fiber penetrates into the cold air through the entire tube wall, a layer of cold air is formed outside the tube wall to prevent the indoor air from contacting the surface of the fiber tube, thereby avoiding condensation on the tube wall. The humidity is as high as 90%, and there is no condensation, which completely solves the problem of condensation in low-temperature air supply.
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