Comprehensive Economic Analysis And Research Of The Whole Life Cycle Of Energy-saving Building

In recent years,With the compulsory execution of relevant national building energyefficiency standards and the strong support of energy-efficient buildings.Building energyconservation in our country has made some achievements,but there are also someproblems.Such as a large number of new buildings is constructed in accordance with thecompulsory standard,but the actual energy-saving effect is not ideal.The direct reason thatleads to this situation is economic problems.So the whole life cycle comprehensive economicanalysis for energy-saving building is necessary.At present, a large number of related researchwork have been carried out at home and abroad.But it is not very perfect.Especially in ourcountry. Comprehensive economic analysis of energy-saving building based on the whole lifecycle is weak. That is particularly embedded in theory combined with the actual forquantitatively computing.And research emphasis is only limited to the enclosure structureenergy-saving technology. The economy of energy-saving building under the comprehensiveaction of the utilization of renewable energy have not considered.Hence, in this paper, we start from the whole life cycle cost theory of energy-savingbuilding.Under the comprehensive consideration of the enclosure structure energy-savingtechnology and the development and utilization of renewable energy technology,Thecomprehensive economic analysis model of energy-saving building is constructed.And wetake a certain KeYanLou in Ningxia for example, which economic benefits under the Compre-hensive action of the energy-saving technology is quantitative calculated with the applicationof the model which is set up. The result shows that it is feasible in the economy. Finally,inorder to promote the energy-saving building to promote in our country.We put forward thecorresponding policy recommendations on the basis of economic analysis.The specificcontent is as follows: (1) In order to determine the research object,ensure the economic analysis of energy-saving building advancement and practicability.We first study detailed on the present energy-saving measures of energy-saving building.And in the process of research we put forward anew energy-saving concept which is grasp the throttle,wide open the source and attaches tothe process.(2) On the basis of the whole life cycle cost analysis of energy-saving building.Thecomprehensive economic analysis model of energy-saving building is constructed.And thesolving process of the model is introduced in detail.In the calculation of incremental costs ofenergy-saving building.Considering the service life of energy-saving equipment,materials isbelow the whole life cycle of building.We increase the calculation of replacement incrementalcost of energy-saving building.In the calculation of energy-saving economic benefits.We putforward a set of new energy-saving economic benefit analysis method,which is demand andsupply phase equilibrium method.First we applicate DeST energy consumption simulationsoftware to calculate the energy demand of energy-saving building in the setting palisadestructure.Then the energy which renewable energy utilization can guarantee and the auxiliarypower equipment need to provide is equal to its energy needs.(3) According to the established model,we analyze the comprehensive economy of thewhole life cycle of a certain KeYanLou project in Ningxia.Apply the theoretical researchresult to the instance.Implement the quantitative calculation of economic benefit of energy-saving building.Some estimated key parameters in the process of quantitative calculation isfor the sensitivity analysis.Study when which changes within a certain scope, the changedtendency of the economic analysis results.(4)Based on the case study results, the problems existing in the construction to promoteenergy-saving building are analyzed.We point out that the promotion of the energy-savingbuilding must give full play to the role of the market.And put forward relevant policySuggestions.The research has a positive role on our country energy-saving building comprehensiveeconomic analysis and the promotion of energy-saving building. The established analysismodel can provide the basis for energy-saving scheme’s choice and provide certain referencefor the establishment of related policies.