Performance Analysis And Energy Saving Analysis Of Wall Composite Insulation Structure Based On Inorganic Thermal Insulation Mortar

Based on the background of green building development,combined with China's current requirements for building energy conservation,the insulation of building envelopes is an important aspect of building energy conservation,and its status is getting higher and higher.With the country's emphasis on building energy conservation and wall materials reform and innovation,governments at all levels have also stepped up the promotion of multi-functional composite insulation systems with thermal insulation,fire protection and environmental protection.At present,the most widely used wall insulation technology in China includes exterior insulation.internal insulation,sandwich insulation.Based on this,a three-combination thermal insulation construction system is constructed.The inorganic thermal insulation mortar is used as the entry point.The performance of the thermal insulation mortar for external thermal insulation and internal thermal insulation is tested by the test,and the performance of the wall masonry material is tested.In the laboratory,the masonry and thermal performance test of the three-combined thermal insulation wall components were carried out.Through theoretical calculation,software heat conduction simulation analysis and engineering application problems,it provides an application basis for the promotion of three-combination construction technology in cold regions.(1)At the material level,the inorganic thermal insulation mortar for external thermal insulation and internal thermal insulation with different performance is tested by using different grades of cement as the cementitious material,and the vitrified microbeads are light aggregate.The foaming agent is added during the stirring process.Dispersible latex powder,polypropylene fiber and other additives,add water to stir well to obtain the applicable type I inorganic thermal insulation mortar and type II inorganic thermal insulation mortar,measure the 28 d compressive strength and flexural resistance of the two thermal insulation mortars under a certain variable.The test results were analyzed for strength,dry density and thermal conductivity.Perform basic performance tests on self-insulating blocks in accordance with the specifications.The material ratio and performance parameters of the combined insulation structure are obtained.(2)On the wall test piece level,the three-component insulation wall test piece was built on the test site,and the overall heat transfer coefficient was tested on the building thermal thermal environment simulation device,and the theoretical calculation was carried out according to the building thermal code.The three-dimensional model is established by software to model the steady-state heat transfer process,and the temperature field changes in summer and winter are analyzed.The thermal results obtained by theoretical calculation,laboratory test and simulation are combined with the summer heat and cold winter in Henan Province.Research and analysis of energy-saving requirements for building energy-saving regulations in districts and cold regions,and the scope of application of three-combination insulation structures that meet regional energy-saving requirements.(3)on the basis of the material level of the three-combination insulation technology and the whole system,considering the structural details of the three-combination insulation technology in practical engineering applications,combined with the economic and social aspects,the three-combination insulation technology has good energy-saving effects.On the technical level,the system is easy to construct,has a fast progress,and has low construction costs.