Ground source heat pump is the use of water as a medium to achieve integrated cooling system. Understanding the working principle of ground-source heat pumps is good for their use and protection. With the development of economy and improvement of people's living standard, heating and air-conditioning in public buildings and houses have become a common requirement. Coal-fired boilers, which are traditional heating systems in China, not only have low energy utilization rates but also cause serious pollution to the atmosphere. As a result, coal-fired boilers are being phased out in some cities while fuel and gas-fired boilers are expensive to operate. Ground source heat pumps are an alternative way of solving heating and air conditioning, both technically and economically. Ground source heat pump working principle is: Ground source heat pump working principle diagram In winter, heat pump unit from the ground source (shallow water or rock and soil) to absorb heat to the building heating; summer, heat pump unit absorbs heat from the indoor transfer and release Ground source, to achieve building air conditioning and refrigeration. According to the different forms of geothermal exchange system, ground source heat pump system is divided into groundwater source heat pump system and surface water source heat pump system and ground source heat pump system. Ground source heat pump system is a double loop water system connected to all the buildings in the ground source heat pump unit formed closed loop of the central air conditioning system in winter, buried heat pump system buried in the ground through the closed pipe The underground heat exchange system) collects the heat of the nature from the earth, and then circulates the heat into the room by the circulating water in the loop. There are also ground-source heat pump systems in the house. Compressors and heat exchangers concentrate the energy of the earth and are released indoors at higher temperatures. In the summer, on the contrary, this procedure runs counter to the fact that the ground-source heat pump system absorbs the excess heat drawn from the room into the loop and is absorbed by the earth, cooling the house. Ground source heat pump structure
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