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    What is the principle of air conditioning and refrigeration

    What is the principle of air conditioning and refrigeration With the rapid development of the times, all walks of life are constantly changing. Air-conditioning refrigeration is also not mature from the past, to the current high-tech refrigeration technology, every research and development has great technical content, air-conditioning refrigeration is the same, many friends know that air-conditioning refrigeration is very convenient, just press the remote control , But they don’t know what is the principle of cooling in one click. Only by understanding these seemingly insignificant common sense can we better understand the air conditioner and control it. When we encounter some problems, we can better solve it. Let's understand its cooling principle together. 　　The compressor compresses gaseous freon into high-temperature and high-pressure gaseous freon, and then sends it to the condenser to dissipate heat to become normal temperature and high pressure liquid freon, so the outdoor unit blows out hot air. The liquid Freon enters the evaporator through the capillary. The space suddenly increases and the pressure decreases. The liquid Freon will vaporize and become gaseous low-temperature Freon, thereby absorbing a lot of heat, the evaporator will become cold, and the indoor unit fan The indoor air is blown through the evaporator, so what the indoor unit blows out is cold wind; when the water vapor in the air meets the cold evaporator, it will condense into water droplets and flow out along the water pipe. This is what the air conditioner will emit. the reason. Then the gaseous Freon returns to the compressor to continue compression and continue to circulate. When heating, there is a component called a four-way valve, so that the flow direction of Freon in the condenser and evaporator is opposite to that during cooling, so when heating, cold air is blown outdoors, and indoor unit is hot air. In fact, it is the principle of absorbing heat during liquefaction and absorbing heat during liquefaction as learned in junior high school physics. 　　The refrigeration principle of the lithium bromide air conditioner to be specially proposed here is different from the compression air conditioner. The working fluid used for absorption refrigeration is usually a binary solution, which is composed of two substances with different boiling points. The low-boiling substance is refrigerant, and the high-boiling substance is absorbent. Therefore, the binary solution is also called refrigerant-absorbent working fluid pair. The so-called binary solution refers to a mixture of two substances that do not interact with each other chemically. The physical properties of this homogeneous mixture, such as pressure, temperature, concentration, etc., are completely consistent throughout the mixture. They cannot be separated into their original constituents by pure mechanical precipitation or centrifugation. The refrigeration principle is divided into Two parts: 　　 1. The binary solution is heated and boiled by a heat source in the generator, and the generated refrigerant vapor is condensed into a refrigerant liquid in the condenser. The liquid refrigerant enters the evaporator after being throttled by a U-shaped tube, and sprays through the evaporator under low-pressure conditions, the liquid refrigerant evaporates, absorbing the heat of the refrigerant, and producing a cooling effect. 　　 2. The concentrated solution flowing out of the generator flows into the absorber through the heat exchanger after cooling and depressurization, and mixes with the original solution of the absorber to become a concentrated solution of intermediate concentration. The intermediate concentration solution is transported and sprayed by the absorber pump to absorb the refrigerant vapor from the evaporator and become a dilute solution. The dilute solution is pumped to the generator by the generator, and the refrigerant vapor is generated again by the heat source to form a concentrated solution again, and enters the next cycle. Ok, after reading the above introduction, do you have a new understanding of the refrigeration principle of air conditioners? Air conditioning refrigeration relies on the compressor to compress gaseous freon into high temperature and high pressure gaseous freon, and then it plays the role of refrigeration. , So the cooling of the air conditioner has a lot to do with fluorine. Here I will introduce to you that the fluorine is actually the kind of snow that everyone says. The air conditioner will not be cooled after a long time. As long as you add a little fluoride, you can return to normal. Visible fluorine The importance is great.

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