Research On Optimization Of Energy Saving Scheme Of Enclosure Structure For Regeneration Of Old Industrial Buildings In Cold Area

With the development of new technology and the adjustment of urban industrial structure,a large number of industrial buildings have been idle.In the context of government policy support and increasingly tense urban land,the reuse of old industrial buildings can not only meet the needs of urban functions,but also keep the original structure,which is in line with the diversified social cultural and economic development trends.Simultaneously,in the case of the energy and environment problem increasingly serious,the reuse of old industrial buildings can greatly reduce the demolition and reconstruction of buildings,avoid the environmental pollution caused by the process of demolition and reconstruction,accord with the idea of saving resources and protecting the environment.Through the analysis of building energy consumption,the building envelope is an important factor influencing the overall energy consumption of the building.Therefore,the energy-saving renovation of the enclosure structure is the key step to reduce the overall energy consumption.It is necessary to study the energy-saving renovation of the enclosure structure during regeneration of old industrial buildings.Taking the energy saving renovation of the building envelope during the renovation of old industrial buildings as the theme,combined with project practice experience,the energy-saving renovation of enclosure structure during regeneration of old industrial buildings in cold area is studyed in this paper.The main contents of this paper are as follows:(1)By reading a lot of literature and conducting extensive research case,the present situation of the reconstruction of the enclosure structure of the old industrial buildings in cold areas is analysed and the existing problems are pointed out in this paper.Comparing the current design standards of building energy efficiency,it is concluded that the energy saving reconstruction of the old industrial building envelope is more effective for reducing the building energy consumption.The factors affecting the energy saving reconstruction of the enclosure structure in the regeneration process of the old industrial buildings are systematically analysised.On the basis of carding energy-saving retrofit technology of enclosure structure,the suitability of the envelope structure in the regeneration process of the old industrial building is obtained.(2)Orthogonal test is used to protocol the scheme of energy saving retrofit of enclosure structure.A scheme optimization model is established to quantitatively analyze the energy saving effect,economic benefit and environmental benefit of the energy saving retrofit scheme.DeST energy consumption simulation software is used to dynamically simulate of the program.Subsequently,the annual energy consumption data and the trend of energy saving rate are analyzed.The quota valuation method and P1-P2 economic model are used to determine the whole life cycle cost of the project.Lastly,the economic feasibility of the optimal scheme is verified.(3)Through the emprical analysis of the transformation of the old steel 11# plant into a cultural hotel,the suitability of the energy saving retrofit technology of the envelope structure in the old industrial building regeneration process and the feasibility of the model in the application are verified.This paper makes research on the optimization of energy saving scheme for the envelope of old buildings,quantitatively analyzes the energy saving effect and economic benefit of the energy saving retrofit scheme of the envelope structure,which has practical guiding significance in promoting the green energy-saving transformation of the old industrial buildings.