Brief description of the uniqueness of temperature and humidity independently controlled air conditioning systems
The temperature and humidity independent control air conditioning system is a new type of air conditioning system, and its working principle is fundamentally different from that of a conventional air conditioning system. The temperature and humidity independent control air-conditioning system separates the heat from the wet and solves the problem of heat and humidity sharing of high-grade energy. The temperature and humidity of the air-conditioning supply air can be accurately controlled. This can be confirmed by the temperature and humidity recorder. At present, the performance coefficient of the dehumidification equipment in the temperature and humidity independent control air-conditioning system can reach 5.0, which is not lower than the cooling performance coefficient of the chiller in the conventional system; and because the chiller only bears the sensible heat load, the cold water supply temperature can be increased, the chiller's The coefficient of performance is significantly improved.
Subway stations in East China and South China are generally air-conditioned in summer. The system is in the form of conventional air-conditioning systems, but air-conditioning is generally not used in winter. The summer air-conditioning load of a metro station is different from that of ordinary public buildings. The air-conditioning load of a subway station is mainly due to the load of personnel and equipment, the heat transfer and humidity load of the envelope structure, and the infiltration wind load caused by the train running. Among them, because the wall surface of the metro station is connected with the soil, the wet load in the station is large, and the temperature and humidity in the station can be measured with a temperature and humidity monitor.
With the continuous improvement of people's quality of life, the humidity-controlled air-conditioning system will be more and more widely used in the subway station, and the temperature and humidity self-recording device will be recognized by more people on the subway station.
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