Working principle of pool heat exchanger

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Working principle of pool heat exchanger

In the process of promoting to the urban market in recent years, pool heat exchanger with the middle and high-end consumer groups as the main target stands out from the heavy encirclement of solar energy, gas boilers and coal-fired boilers, and with its advantages of safety, energy-saving and convenient operation. Pool heat exchanger occupied the highland that was transformed into low-carbon energy-saving, whose working principle is to absorb the low-temperature heat energy in the air, convert it into high-temperature heat energy after being compressed by the compressor, and raise the water temperature. The initial investment in swimming pool heat pumps is three to five times that of gas, natural gas, and electric water heaters, but its daily operating costs are lower. Therefore, the pool constant temperature heat pump will become the leading product of the future hot water market.
In the current form of tight energy supply and increasing environmental protection requirements, people are constantly seeking new energy sources that are both energy-saving and environmentally friendly. Pool heat exchanger is a type of new energy. Since the swimming pool heat pump can realize the function of conveying low-temperature heat energy to high-temperature heat energy, the heat in the natural resources and the waste heat resources can be utilized in a large amount, and the primary energy required for the swimming pool is effectively saved, to which more and more people are paying attention.
The pool heat pump can be divided into air source type pool heat pump, water source type pool heat pump and soil ground source type pool heat pump according to the selected heat source type.
According to the principle of the refrigeration system of the pool heat exchanger, the low-temperature low-pressure liquid refrigerant exchanges heat with the surrounding water in the evaporator to absorb the heat of the water, evaporates into a low-temperature and low-pressure gas state, and the temperature of the refrigerant does not change during the evaporation process, and the low-temperature low-pressure gaseous refrigerant enters the compression. The machine is compressed into a high-temperature and high-pressure gas state by a compressor, and then enters the condenser, and at last exchanges heat with the medium in the condenser. The heat of the high-temperature and high-pressure gas is absorbed by the medium, and the temperature of the medium rises. The exothermic condenser becomes a high temperature and high pressure liquid, the temperature of the condenser process is constant, and then enters the expansion valve for throttling, the throttling is a process of rapid cooling, the refrigerant becomes a low temperature and low pressure liquid, and the refrigerant after this process enters the evaporation again. The heat transfer is carried out to achieve the entire process of the refrigeration system. This cycle is continuous, thus the water is continuously cooled.
The swimming pool heat pump technology adopts the inverse Carnot cycle principle, and the technology of transferring heat from a low-level heat source to a high-level heat source driven by high-level energy, that is, converting a heat source that cannot be directly utilized into a usable high-grade heat source, thereby achieving partial savings.
The pool heat exchanger has different working principles due to its different types of low-temperature heat sources. The underground water pool heat pump system is to pump the groundwater from the groundwater well into the pool heat pump unit, exchange heat with the working medium of the pool heat pump, and then recharge it to the original. The surface water pool heat pump system is a system in which the river water is driven by a circulating water pump and directly flows through the pool heat pump unit or through the intermediate heat exchanger for heat exchange; the soil source pool heat pump system is using earth soil as a heat source to bury the heat exchanger of the heat pump below the ground, and the system uses the pump circulating liquid to exchange heat with the earth soil. The air source pool heat pump system uses a special working medium to absorb heat from the atmosphere for heat exchange.
The pool heat exchanger heats the water through the continuous circulation of the refrigerant and the heat exchange between the pool and the pool water. At the same time, it does not release additional heat energy during operation, does not emit harmful substances, and the working medium is completely separated from the pool water, and does not cause secondary pollution. Therefore, in today’s energy conservation and environmental protection, pool heat exchanger will usher in high-speed development.

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