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What are the advantages and disadvantages of groundwater heat pump system?
[Asia Pump Network News] Now the type of heating and cooling equipment is very much, and one of the more good equipment is groundwater source heat pump system, has been a lot of consumer love and trust, Xiaobian today for everyone Describe the advantages and disadvantages of underground water source heat pump system. Groundwater source heat pump system Advantages of water source heat pump system High efficiency and energy saving: Water source heat pump is the highest cooling and heating mode with the highest energy efficiency (COP) value in air conditioning system. The theoretical calculation can reach 7 and the actual operation is 4 ~ 6. Water source heat pump units available water temperature in winter is 12 ~ 22 ℃, the water temperature is higher than the ambient air temperature, so the heat pump cycle evaporation temperature increases, the energy efficiency ratio also increased. The summer water temperature is 18 ~ 35 ℃, the water temperature is lower than the ambient air temperature, so the cooling condensation temperature decreases, making the cooling effect is better than the air-cooled and cooling towers, thereby enhancing the unit operating efficiency. Water source heat pump consumes 1kW.h of electricity, the user can get 4.3 ~ 5.0kW.h heat or 5.4 ~ 6.2kW.h cold. Compared with the air source heat pump, its operating efficiency should be higher than 20 to 60%, operating costs only 40% to 60% of the ordinary central air conditioning. Renewable energy: Water source heat pump is a heating and air conditioning system that uses the solar energy stored in the earth's water body as a heat source, low-temperature water that uses the natural cooling of the Earth's water body as a cooling source and performs energy conversion. Among the available water bodies are groundwater or rivers, rivers and lakes that are part of the surface, and oceans. Surface soil and water bodies are not only huge solar collectors that collect 47% of the solar radiation energy, more than 500 times the amount of energy used annually by human beings (underground water bodies receive indirect solar radiation energy through the soil) and are A huge dynamic energy balance system, the soil and water on the surface naturally maintain the relative balance of energy acceptance and divergence. This makes it possible to utilize almost infinite solar energy or earth stored therein. So, a water source heat pump uses a technology that is clean and renewable. The disadvantage of water source heat pump system Water source heat pump system in the excessive season can not maximize the use of fresh air, large unit noise, the majority of units installed in the darkness, to bring some maintenance difficulties. In order to economically and economically utilize the cold and heat sources of rivers, rivers and seawater, only rough pretreatment of the river, river and seawater can be made to solve the blocking problem of a large amount of sediment and suspended matter on the flow surface, but the water still contains small particle size Of the solids will affect the heat exchanger heat transfer characteristics, which also increased the cost of running, warranty. Further Reading: Pumps Valves pipe fittings Exhibition 2016 Exhibition of Information Industry, Internet (Xiamen) Technology Co., Ltd. Author: Asian pumps Network Editor: Yao Xiaoxia (QQ / micro-channel :) (service hotline:)