缀铝箔聚苯板空心墙体保温性能理论研究  

Theoretical research on heat preservation effect of hollow wall with polyphony board covered with aluminum foil

作　　者：白义奎[1] 王铁良[1] 李天来[2] 刘文合[1] 

机构地区：[1]沈阳农业大学水利学院,沈阳110161 [2]沈阳农业大学园艺学院,沈阳110161

出　　处：《农业工程学报》2003年第3期190-195,共6页Transactions of the Chinese Society of Agricultural Engineering

基　　金："十五"国家科技攻关计划"工厂化农业关键技术研究与示范"项目 :日光温室节能关键技术研究与产业化 (2 0 0 1 BA50 3B) ;辽宁省"十五"科技攻关项目 :工厂化高效农业关键技术的研究与示范(2 0 0 1 2 1 50 0 1 )

摘　　要：缀铝箔聚苯板空心墙体是一种新型的保温墙体 ,其采用的铝箔绝热与容积绝热相比具有较好的保温绝热性能。当空气夹层在 2 0～ 10 0 m m时 ,空气夹层内表面温度在 10～ 3 0℃ ,空气夹层两侧温差在 2～ 10℃时 ,空气夹层的平均热绝缘系数在 0 .6～ 0 .7m2 ·℃ /W之间 ,相当于 490 m m砖墙 (热绝缘系数 0 .60 5 m2 ·℃ /W)。厚度为 610 m m的缀铝箔聚苯板空心墙体与相同厚度的砖墙相比 ,传热系数由 1.0 98W/( m2 ·℃ )降到 0 .2 18W/( m2 ·℃ ) ,降低了约 80 % ;缀铝箔聚苯板空心墙体与相同厚度的夹心墙相比 ,传热系数降低了约 13 %。铝箔绝热与容积绝热比较 ,还具有质量小 ;隔汽防潮性能好 ;造价低 ,施工方便等优点。The polyphony board covered with aluminum foil of hollow wall is a new type of wall which heat insulation of aluminum foil has better heat preservation effect than cubage heat insulation. And inside temperature of air interlayer is in 10～30℃ when the thickness of air interlayer is in 20～100 mm. Calculation have indicated that average heat insulating coefficient of air interlayer was in 0.6～0.7 (m 2·℃)/W and equal to 490 mm brick wall (0.605 (m 2·℃)/W) when difference temperature of air interlayer was in 2～10℃. Compared with the same thickness brick wall, material cost of the hollow wall with polyphony board covered with aluminum foil(610 mm) has increased by 5%. Its heat transfer coefficient has decreased to 0.218 W/(m 2·℃) from 1.098 W/(m 2·℃). Compared with the same thickness air interlayer wall, the heat transfer coefficient has decreased by 13%. Heat insulation of aluminum foil has more advantage than cubage heat insulation, such as light mass, good effect of moisture proofing and vapor isolating, low price, convenience of construction.

关 键 词：日光温室 铝箔绝热 热绝缘系数 建筑节能 空心墙体 

分 类 号：S625.1[农业科学—园艺学]