The Optimization Of Cooling Tower-Ground Source Heat Pump System For Joint Operation

With energy conservation and environmental awareness increased, ground source heat pumps as a new green energy-saving technologies, be more and more people's attention. It is energy efficient, pollution, stable and reliable operation and low operating cost advantages. But the difference between hot and cold load larger buildings, buried around for the soil temperature to be very good recovery, improve operating efficiency units, we must auxiliary cooling equipment or heating equipment. Based on the cooling load is far greater than the thermal load building, using a cooling tower-ground source heat pump system mixed, System design and operation control strategy, as well as several different options for economic analysis and comparison.This paper describes the GSHP origin and development at home and abroad, Analysis of ground source heat pump systems than traditional air-conditioning systems advantages and its own shortcomings. then raised the subject of the study. Analysis of cooling towers - ground source heat pump system with the form and the existing equipment selection method and system operation control strategy. And Wuhan as an example of a building, used simulation software DeST its annual dynamic load calculation, On this basis, according to the existing cooling towers - ground source heat pump system mixed Selection method the system of the main equipment for the selection, identified the three different options.Analysis of the current economic projects of the four evaluation criteria, According to this paper, the actual use of thermal economics of the above methods chosen by the three options for economic analysis , to calculate their share of the investment costs, operating costs, and annual maintenance and management costs, in order to evaluate the economic program.