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Energy resource and environment are the problems that are widely concerned in the world, of all the low level energy resources which are yet not to utilize, riverwater as one of urban waste heat is generally acknowledged as a clean energy resource for riverwater temperature changes a little, the amount is stead in all the year round, the amount of heat is large, and is easy to gather by means of the now available town sewage piping, Furthermore, the gradual mature and the development of water-source heat pump technique supply the dependable technique guaranty for the application of riverwater-source heat pump.First, based on practical conditions of energy utilization nowadays in China, it is necessary to make use of existent energy reasonably, and to exploit new or regenerative energy, With the development of heat pump, riverwater, abundant in the littoral, is used as the heat source or sink of heat pump air-conditioning systems to solve the contradiction between energy utilization and energy consumption in these areas,Secondly, the paper takes the one riverwater-source heat pump station of Shandong as an instance, introduces the water situation of the project, and points out the feasibility of riverwater-source heat pump, Base on this, the paper makes the analysis of the project economy, energy-saving and the environmental protection, and then points out the wide application foreground of sewage-source heat pump.At last, the paper presents application characteristics and key technologies of the riverwater, Summarizes the application and research conditions.technology and operation about key equipment,and application technology and scale, Analyses the disadvantages,points out the study direction and contents in the future.
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