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我国的建筑能耗较大，约占总能耗的三成；本文介绍了建筑节能设计中的外墙保温技术，包括建筑的外墙内保温技术、外墙内保温兼外保温混合技术、外墙夹心保温技术、外墙外保温技术，并对建筑节能设计中的外墙保温技术发展现状及趋势进行了概述；简要解析了建筑节能设计中的外墙外挂式外保温技术、外墙喷涂式保温技术、外墙浇筑式保温技术。
China's building energy consumption is larger, accounting for 30% of the total energy consumption; This article describes the building energy-saving design of the external wall insulation technology, including the construction of the external wall insulation technology, external insulation and external insulation mixing technology, Sandwich insulation technology, exterior insulation technology, and exterior design of energy-saving wall insulation in the development of the status quo and trends are outlined; briefly analyzed the design of building energy-saving exterior wall plug-in external insulation technology, exterior spray insulation Technology, exterior pouring insulation technology.