| The shallow surface geothermal resources (usually less than 400 meters deep) can be called Earth Energy, which refers to the low-temperature heat energy absorbed by the surface soil, groundwater or rivers and lakes to absorb solar energy and geothermal energy. The ground source heat pump utilizes this low temperature heat energy as a heat source for the heat pump and a cold source for the air conditioner, and is a system that can be used for both heat and air conditioning. In the winter, the heat pump supplies the heat in the shallow surface of the surface to the indoor heating; in the summer, the heat in the room is taken out and released into the shallow surface of the earth. The characteristics of ground source heat pump are:
The superficial surface is like a huge solar collector that collects 47% of the solar energy, more than 500 times the energy used by humans every year. This near-infinite, geographically and resource-constrained low-lying heat is a clean renewable energy source that humans can use. And the ground energy is not like the influence of solar energy by the climate, nor the deep geothermal is limited by resources and geological structure. In addition, when the ground source heat pump is used for heating in winter, it can store cold capacity for the ground at the same time, in preparation for summer use, and in summer air conditioning, it can store heat for the winter. Therefore, the ground source heat pump is a renewable energy utilization technology. 2 Energy efficient and low operating costs Because the ground source temperature is relatively stable throughout the year, the winter is higher than the ambient air temperature, and the summer is lower than the ambient air temperature. It is a good heat source for the heat pump and the air conditioner. This temperature characteristic makes the ground source heat pump more efficient than the traditional air conditioning system. 40%, so it is necessary to save energy and save operating costs by about 40%. 3 Environmental benefits are significant It does not destroy groundwater resources and has no pollution. It can be built in residential areas without burning, no smoke, no waste, no need to stack fuel waste, and no need to transport heat from a distance. 4 one machine dual purpose The ground source heat pump can be used for heating and cooling, providing hot and cold supply throughout the year, saving investment and land occupation. Ground-source heat pump, a renewable energy utilization technology, is energy efficient and has no pollution. It conforms to the general trend of international energy development, and also conforms to China's energy and environmental protection policies. It is a renewable energy utilization method worthy of research and development. |
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