Traditional Culture Encyclopedia - Hotel franchise - What's wrong with the hot air of the hotel central air conditioner?
What's wrong with the hot air of the hotel central air conditioner?
The principle of liquid gasification refrigeration is adopted to provide the required cooling capacity for the air conditioning system and offset the heat load of the indoor environment; The heating system provides the required heat for the air conditioning system to offset the cold and heat load of the indoor environment. Refrigeration system is an important part of central air-conditioning system, and its type, operation mode and structural form directly affect the economy, efficiency and rationality of central air-conditioning system.
Heating principle
The low-pressure gas sucked by the compressor is compressed into high-temperature and high-pressure gas by the compressor, and the high-temperature gas raises the water temperature through the heat exchanger, and at the same time, the high-temperature gas will condense into liquid. The liquid then enters the evaporator to evaporate. (Evaporators also need heat exchange media. According to different heat exchange media, different machines have different models and structures. Commonly used are air cooling and ground source. )
After the liquid passes through the evaporator, it becomes low-pressure and low-temperature gas, and the low-temperature gas is sucked by the compressor again for compression. In this way, the circulating water on the air conditioning side will become hot water of about 45-55 degrees. The hot water is sent to the room that needs heating through the pipeline, and the room is equipped with a fan coil unit, so that the hot water can exchange heat with the air to achieve the purpose of heating.
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