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节约能源是我国的基本国策,在我国目前经济建设高速发展的情况下,建筑用能也在不断提高,这对我国能源供应和环境保护造成了巨大压力。建筑行业作为我国的耗能大户,并且是节能潜力最大的用能领域[1],逐渐成为节能工作关注的热点和重点。本文在全生命周期理论的基础上,以长春市典型的居住建筑和公共建筑为例,结合能耗模型的建立和计算,分析两种不同建筑类型在其生命周期不同阶段的能源消耗及其对环境产生的影响,探讨采取国家《节能减排综合性工作方案》中建筑节能措施后对建筑物所带来的低碳发展潜力。最后得出:在建筑过程节能方面,应注重建材循环使用所带来的能源效益;而在建筑使用节能方面,则应置力于提高能源的使用效率。
Energy conservation is the basic national policy of our country. Under the current rapid development of economic construction in our country, building energy is also constantly improving, which exerts tremendous pressure on China’s energy supply and environmental protection. Construction industry, as China’s energy-hungry, and energy-saving potential is the largest area of energy [1], has become the focus of energy-saving work and focus. Based on the theory of life cycle and the typical residential buildings and public buildings in Changchun City, this paper analyzes the energy consumption of two different types of buildings at different stages of their life cycle, Environment and explore the low-carbon development potential brought to the building after adopting the energy-saving and emission-reduction measures in the “Comprehensive Working Plan for Energy Conservation and Emission Reduction”. Finally, we can draw the conclusion that in the energy saving of building process, we should pay attention to the energy efficiency brought by the recycling of building materials, while in the energy saving of buildings, we should focus on improving the efficiency of energy use.