Adaptability Evaluation And Software Of Groundwater Source Heat Pump Engineering Application In Shaanxi Province

In recent years, with the deepening of reform and opening up in China, nationaleconomy develops rapidly, people’s requirement for quality of life is also rising, theusage of central air-conditioning in civil building is also increasing. However, theincreasingly serious energy and environmental issues are more and more got theattention of the experts in hvac industry and owner. Groundwater source heat pump(GWSHP) technology entered into China as a new type of green energy-saving airconditioning technology in the20th century. But because of its relatively shortdevelopment time, systematic adapbility evaluation method has not formed that is notconducive to the develoment and application of GWSHP technology in China. Shaanxiprovincial government vigorously promotes the application of renewable energytechnology to save energy and protect the environment that offers good developmentcondition for the development of GWSHP in Shaanxi.This dissertation starts from the concept and composition of GWSHP, introducesthe main existing problems and applicable conditions of GWSHP engineering. Theinvestigation and study analysis has carried on in Shaanxi Province. By collecting andanalyzing hydrogeological investigation data and historical data of pump and injectionexperiment in Shaanxi, the hydrogeological condition platform is mainly built. Takentolerable drilling well quantity and requisite drilling well quantity as evaluation indexes,GWSHP engineering application adaptability evaluation method in floodplain and lowterrace is put forward. By comparing with the conventional cold and heat source system,economical efficiency, energy saving and environmental protection of GWSHP systemis analysesed. Based on analytic hierarchy process and comprehensive index method,this dissertation puts forward the comprehensive evaluation method of GWSHP engineering application.Self-developed visualization application software, and thenumerical examples give different evaluation results of the adaptability that provide abasis for decision-making and preliminary design of GWSHP project.The following conclusion is obtained by evaluation: GWSHP is suitable built infloodplain and low terrace of Weihe River basin and Hanjiang River basin in Shaanxiprovince, because they has big aquifer thickness, big sand grain size, shallow burieddepth, fluent groundwater runoff. GWSHP application project is increasing year by year,the application architecture type is verious, and the region is more widely involved inShaanxi Province. For the project with limited available space area, choose mix waterstorage technology and series in water side technology according to actual use to savewater, reduce the number of drilling wells, adapt GWSHP conditionally. Compared withconventional cold and heat source system, operating cost of GWSHP system is low,energy consumption is low and pollutant emissions are less. From the calculation results,we find that the hydrogeology is not the only constraint condition of the adaptability ofGWSHP engineering application, and construction scale is also a key influence factor.The adaptability evaluation study of GWSHP engineering application indicates thatusing GWSHP air conditioning system in the appropriate areas has obvious superioritywhich can promote the extensive development and application of the green ecologicalbuilding technology.