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1.Constant temperature heating for standard swimming pools (FINA) (26±1℃)
Heat loss of indoor swimming pools includes: evaporative heat loss from the pool surface, conductive heat loss through pool walls, floors and pipelines, and heating load required for makeup water heating.
2.Constant indoor air temperature (29±1℃ in summer, 28±1℃ in winter)
Refrigeration is required in summer and heating in winter to maintain a constant indoor temperature.
3.Constant indoor air humidity (60-70%)
Evaporation of pool water in indoor constant-temperature swimming pools will increase indoor air humidity. Especially when the relative humidity is high (greater than 75%), a large number of bacteria and molds will breed, and the indoor air will be filled with a lot of carcinogens such as chloramine and chloroform, which are irritating to the human body and endanger health.
4.Guaranteed air quality (15-20m³/h of fresh air per person)
According to the provisions of American National Standards Institute (ANSI) B9.1, the required fresh air volume per person per hour indoors is 15-20 m³. In 1980, the World Health Organization officially named diseases caused by insufficient fresh air from air conditioners "Sick Building Syndrome", commonly known as "air-conditioning disease". During operation, indoor swimming pools contain a large amount of turbid air such as chlorine and CO₂ exhaled by the human body. It is necessary to discharge turbid air and introduce fresh air systems to ensure clean and fresh indoor air.
5.100% protection of indoor decorations
Chlorine-containing high-humidity air will corrode indoor building structures and decorations, cause condensation on glass surfaces, and mold on wall surfaces, which seriously affects building aesthetics and service life.
In response to various adverse factors of indoor swimming pools, air-source heat pump manufacturers have developed special dehumidification heat pump units with heat recovery function for indoor swimming pools. Integrating three functions (dehumidification, air conditioning and pool water heating), the unit recovers and comprehensively utilizes a large amount of energy from the high-humidity air in the swimming pool hall, overcoming many problems such as high-humidity and high-chlorine environments. By changing the operation modes in spring, summer, autumn and winter, it maintains constant temperature, constant humidity and comfortable ventilation in indoor swimming pools, with energy consumption far lower than that of traditional modes.
1.Health and comfort
Designed with integrated functions of dehumidification, air conditioning, ventilation (return air, exhaust air, fresh air and supply air) and water heating according to the requirements of indoor swimming pools, the constant temperature and humidity dehumidification heat pump reasonably controls indoor ventilation, exhaust air, fresh air, pressure, temperature and humidity. The heat recovered by the heat pump through dehumidification is used to heat the pool water. Generally, the pool water temperature is controlled at 25～27℃, the indoor air temperature at 27～30℃, and the humidity at 60～70% which is the most comfortable for the human body. It realizes the harmonious dynamic balance of the three major functions of "pool water heating, dehumidification and air conditioning", ensuring the cleanliness and comfort of the indoor swimming pool.
2.Environmental protection and energy saving
The constant temperature and humidity dehumidification heat pump only needs to input a small amount of electric energy to provide circulation power and drive the compressor to work. It can continuously absorb a large amount of heat energy from high-temperature and humid air by utilizing the characteristics of low-temperature evaporation and high-temperature condensation of the refrigerant, ensuring air humidity and temperature, and at the same time releasing the heat energy absorbed from the air on the water side. That is, inputting 1kW of electric energy can output 3kW of cooling capacity and 5kW of heat capacity while meeting dehumidification requirements. The constant temperature and humidity dehumidification heat pump uses environmentally friendly refrigerants, which will not pollute the environment or damage the ozone layer. Compared with traditional methods, it has low operating costs (only about 1/3 of traditional design methods), is green and environmentally friendly, and safe.
3.Intelligent management
In line with the requirements and trends of modern building intelligent management, the constant temperature and humidity dehumidification heat pump adopts the latest programmable microcomputer controller for fully automatic operation control, and the control system can be connected to the building management system to realize automatic remote control. The multi-function dehumidification heat pump automatically selects the most energy-saving mode to operate according to weather conditions in different seasons, and can arbitrarily set relevant parameters and operation modes according to the actual needs of the project to meet the owner's management requirements.
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