既有居住建筑外墙保温厚度优化及减排效益分析

为研究居住建筑采用不同保温材料进行外墙改造节能减排的效果。以济南地区既有居住建筑为研究对象，通过DeST-H能耗模拟软件建立模型，研究膨胀聚苯板(XPS)、石墨聚苯板(SEPS)、硬泡聚氨酯(PUR)及岩棉板(RW) 4种高性能保温材料在不同厚度下对建筑能耗的影响，利用全生命周期法分析其经济性同时进一步利用净现值法结合节能性确定4种高性能保温材料的最优厚度，分别为55 mm、61 mm、88 mm和38 mm，最后分析了最佳保温厚度的经济效益和节能减排效果，结果表明：当采用最佳保温厚度时，CO2排放量减少了59 759.93～61 968.44 kg，SO2排放量减少了1 787.383～1 864.65 kg，NOX 排放量减少893.69～932.32 kg，污染物排放减少了30%～33%，环境收益为20 353.48～21 187.71元。

Optimization of Exterior Wall Insulation Thickness and Analysisof Emission Reduction Benefit of Existing Residential Buildings

In order to study the effect of energy saving and emission reduction of residential buildings using different thermal insulation materials for exterior wall reconstruction. By using DeST-H energy consumption simulation software, the existing residential buildings in Jinan were taken as the research object to study the influence of four high-performance thermal insulation materials (XPS, SEPS, PUR and RW) on building energy consumption under different thicknesses. The full life cycle method is used to analyze its economy and the net present value method is used to determine the optimal thickness of four kinds of high-performance thermal insulation materials, which are 55 mm, 61 mm, 88 mm and 38 mm respectively. Finally, the economic benefit and emission reduction potential of the optimal insulation thickness are analyzed, and the results show that when the optimum insulation thickness is used, the CO2 emission is reduced by 59 759.93 ~ 61 968.44kg, the SO2 emission is reduced by 1 787.383~ 1 864.65 kg, the NOx emission is reduced by 893.69 ~ 932.32kg, and the pollutant emission is reduced by 30% ~ 33%. The environmental benefits ranged from 20 353.48 yuan to 21 187.71 yuan.