Does air conditioning and refrigeration rely on compressors or refrigerants, or both?

Does air conditioning and refrigeration rely on compressors or refrigerants, or both? This question seems to be asking whether to boil water in a kettle, whether it needs boiling water or a kettle. The compressor is a kettle, and the refrigerant is water. In the operation of air conditioner, refrigerant and compressor are needed. Freon was the first refrigerant trademark registered by a company in the United States. There is no uniform definition in China, and it is generally defined as the general term for halogenated compounds of saturated hydrocarbons (mainly methane, ethane, and propane). According to this definition, freon can be divided into 4 categories: CFC, HCFC, and HFC; some scholars will Freon is defined as a CFC refrigerant; in some data, freon refers only to dichlorodifluoromethane (CCl2F2, namely R12, a type of CFC). These traditional refrigerants have basically been eliminated. At present, air conditioners generally use R410A refrigerant, which will not damage the ozone layer. rest assured! How air conditioning works. Freon is generally used as refrigerant. When freon changes from gaseous state to liquid state, it releases a lot of heat. When changing from liquid to gas, it will absorb a lot of heat. It is the process of physical vaporization and liquefaction of junior high school. The compressor compresses refrigerant, not air. The air conditioner is mainly composed of compressor, condenser, evaporator, four-way valve, capillary and so on. The refrigeration compressor compresses the gaseous refrigerant into a high-temperature and high-pressure gaseous refrigerant, and then sends it to the condenser (outdoor unit) to dissipate heat to become a normal-temperature high-pressure liquid refrigerant, so the outdoor unit blows out hot air. Then go to the capillary and enter the evaporator (indoor unit). Since the refrigerant suddenly increases from the capillary to the evaporator, the pressure in the space decreases suddenly, and the liquid refrigerant will vaporize and become a gaseous low temperature refrigerant, thereby absorbing a large amount of Heat, the evaporator will become cold, the indoor unit fan will blow the indoor air through the evaporator, so the indoor unit blows out the cold wind; the water vapor in the air will condense into water droplets when it encounters the cold evaporator , Flow out along the water pipe, this is why the air conditioner will give out water.

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