Commercial refrigeration what should be paid attention to when refrigerating drugs
drugs commercial refrigeration Precautions: 1, pre-cooling
pre-cooling is a pre-cooling method for drugs before long-distance transportation or refrigeration, and the requirement is to quickly drop the drug to the prescribed temperature . It is an important measure to maintain the quality of commercial refrigeration of transported drugs and extend the storage life. Pre-cooling is usually carried out in cold storage and pre-cooling room. Commonly used pre-cooling methods include natural air cooling, ventilation cooling, vacuum cooling and cold water cooling. The pre-cooled drugs should be quickly stored in a low temperature environment.
2Temperature range and shelf life
The temperature in the pharmaceutical commercial refrigeration is not likely to be constant at a certain temperature value. Due to the performance of the refrigerator, the capacity of the pharmaceutical commercial refrigeration, and the internal and external temperature difference, the internal temperature will be within a certain range. fluctuation. Generally speaking, the storage temperature of medicine is lowered in cold storage, and the smaller the range, the better. This is conducive to the medicinal properties of refrigerated medicines, preventing loss and low temperature physiological diseases.
3. Temperature control
Different medicines have different optimum refrigeration temperatures. The commercial refrigeration temperature of the medicine and the temperature of the medicine after entering the warehouse are affected by many factors, such as the difference between the temperature of the medicine and the cabinet temperature when entering the cabinet, the performance of the refrigerator and the capacity of the cabinet, the air circulation in the cabinet, the stacking method, and the medicine Varieties and cooling, etc. Stacking should be reasonable when entering the cabinet, and the temperature of the cabinet should be adjusted according to the actual situation; a gradual heating method should be adopted before leaving the cabinet to avoid condensation on the surface of the medicine due to the large temperature difference between inside and outside.
4. Humidity control
drug commercial refrigeration often because the evaporator absorbs a lot of heat, it constantly accumulates frost on it, and it continuously melts and flows away, causing the humidity in the warehouse to often be lower than the humidity requirement for drug storage. It is possible to increase the area of the evaporator, reduce frosting, and install spray equipment or automatic humidifiers to adjust the humidity in the commercial refrigeration of medicines. In addition, when the relative humidity in the cabinet increases due to frequent entry and exit of goods, a moisture absorber can be installed to absorb moisture, and the management of drug commercial refrigeration should be strengthened, and the frequent opening of commercial refrigeration of goods and personnel should be strictly controlled.
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