Biomedical low-temperature refrigerator
Keyword：
LED
Category：
Medical/Biological Products
Biomedical low-temperature refrigerator
- DESCRIPTION
- Main features
- Model
- Application
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How it works:
Working principle of biomedical refrigerator refrigerator refrigeration cycle:
1. Refrigerant compression process: the steam that completes the refrigeration effect becomes a hot superheated steam after compression. At a critical temperature, when the pressure reaches a certain value, the gas will liquefy. When the temperature reaches the boiling point of the gas at a certain pressure, gasification occurs, and heat is absorbed from the environment during gasification to achieve refrigeration.
2. Refrigerant: refrigerated gas substances, traditionally Freon, are now replaced by non-polluting refrigerants due to pollution to the atmosphere.
3. Condensation process: the superheated steam is heat exchanged with the condensate or air in the condenser, which becomes saturated steam and then becomes saturated liquid. When the condensate cools, the saturated liquid temperature continues to decrease and supercooling.
4. Interception process: the liquid from the condenser is throttled by the expansion valve and becomes wet steam at low temperature and low pressure.
5. Evaporation process: low-pressure wet steam is absorbed and cooled in the evaporator, and the gas coming out of the evaporator becomes dry saturated steam or slightly hot superheated steam.
Equipment composition:
1. Compressor: compresses low-temperature vapor into high temperature and high pressure gas.
2. Condenser: heat dissipation parts, through heat exchange, the high temperature and high pressure gas is cooled into high temperature and high pressure liquid.
3. Filter drier: adsorb the refrigerant and the moisture, impurities, etc. in the system pipeline to keep the system dry and clean.
4. Capillary: through resistance throttling, the high temperature and high pressure liquid becomes low temperature and low pressure liquid.
5. Evaporator: evaporate the low-temperature and low-pressure liquid from the capillary into low-temperature and low-pressure gas through heat exchange with the outside world.
6. Liquid reservoir: Separate the liquid from the refrigerant gas entering the compressor to prevent "liquid shock"
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Scope of application:
1. Biomedical refrigerator refrigerator is a professional refrigerator that mainly places and preserves drugs, vaccines, enzymes, hormones, stem cells, platelets, semen, transplanted skin and tissue samples of animals, extracted RNA, gene banks and some important biological and chemical reagents and other special drugs.
2. It is used to store blood bags, drugs, reagents, etc., and can be used with other instruments for low temperature maintenance in protein extraction, shake culture and other experiments.
3. As a routine refrigerator in the laboratory, store enzymes, blood products, nucleic acids, etc.
4. Biomedical refrigerators are mainly used to preserve drugs, vaccines, enzymes, hormones, stem cells, semen, transplanted skin, as well as specimens extracted from the human body, gene cloning libraries and some important biological and chemical reagents.
5. The reliability of the biomedical refrigerator and the refrigerator can meet the storage conditions of different samples. Nanomaterials will become promising materials in future low-temperature freezers. Monitoring systems will also be an important part.
6. Components of biomedical refrigerators.
Biomedical refrigerators are widely used in scientific research institutions, medical and health, biopharmaceuticals, pharmacies and many other industries and fields, and are one of the essential medical equipment. Medical refrigerators have strict temperature control devices, and their performance and use are quite different from household refrigerators.
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