发布日期：2018-04-09 作者：地源热泵 点击：
Ground source heat pump (ground source heat pump) is an efficient and environment-friendly air conditioning system, which can make use of shallow underground geothermal resources, which can both heat and refrigerate. The ground source heat pump can transfer the energy from the low temperature heat source to the high temperature heat source through the input of a small amount of high grade energy (electric energy).
Heating in winter
In the heating state, the compressor in the ground source heat pump unit works on the refrigerant and reversing the flow direction of the refrigerant through the four - way valve. By water absorption cycle of underground soil or groundwater in the heat by refrigerant / water heat exchanger in the evaporation of refrigerant, the heat absorption in the water circulation to the refrigerant, and then through the condensation of refrigerant / air heat exchanger refrigerant in the refrigerant circulation at the same time, the air circulation of the refrigerant the heat brought by absorption. In the course of the heat transfer to the interior, the heat is heated indoors in the form of forced convection, natural convection, or radiation.
In the cooling state, the compressor in the ground source heat pump unit works on the refrigerant to make the steam - liquid conversion cycle. The refrigerant / air heat exchanger in the evaporation of refrigerant to air circulation carried by the heat absorption to the refrigerant, and then through the condensation of refrigerant / water heat exchanger refrigerant in the refrigerant circulation at the same time, by water circulating the refrigerant carries the heat absorbed by water circulation transfer finally to groundwater or soil. In the process of indoor heat transfer to underground, the cold medium air heat exchanger is used as cold air in the form of cold air below 13 centigrade.
In a simple way, it is:
In winter, the heat in the soil is "taken" out, and the temperature is raised to the room for heating.
In summer, the heat of the room is "taken" out and released into the soil, and the equilibrium of the underground temperature can be guaranteed for the year.
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