需要金幣： 1000 個(gè)金幣 |
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| 轉(zhuǎn)換比率：金額 X 10=金幣數(shù)量， 例100元=1000金幣 | 論文字?jǐn)?shù)：22100 |  | |
| 折扣與優(yōu)惠：團(tuán)購(gòu)最低可5折優(yōu)惠 - 了解詳情 | 論文格式：Word格式(*.doc) |  |
摘 要:本文詳細(xì)介紹了保溫材料的導(dǎo)熱系數(shù)、密度、吸水率、透濕系數(shù)、防火性能等性能指標(biāo),對(duì)經(jīng)常用到的硬質(zhì)聚氨酯泡沫塑料、聚乙烯泡沫塑料、聚苯乙烯泡沫塑料、離心玻璃綿、橡塑海綿和巖綿等幾種新型保溫材料作了分析,并給出了評(píng)價(jià),對(duì)其適用范圍進(jìn)行了說明。 對(duì)管道保溫技術(shù)的發(fā)展概況作了詳細(xì)的調(diào)查分析，根據(jù)保溫材料的性能指標(biāo)、應(yīng)用范圍、選擇依據(jù)、保溫材料厚度的選擇方法等，對(duì)低溫送風(fēng)空調(diào)系統(tǒng)和熱力管道保溫材料的選擇方法做了說明，指出低溫送風(fēng)空調(diào)系統(tǒng)和熱力管道的保溫要經(jīng)過嚴(yán)格的計(jì)算優(yōu)化，選擇合理的經(jīng)濟(jì)厚度，保證系統(tǒng)節(jié)能。通過對(duì)幾種保溫材料選用的對(duì)比，得出保溫材料的選用原則。 結(jié)合具體工程，著重對(duì)橡塑保溫材料進(jìn)行研究分析，通過跟其他保溫材料的對(duì)比，指出橡塑保溫材料因其優(yōu)異性能而在低溫管道工程中應(yīng)用廣泛。 最后介紹了外墻保溫技術(shù)及其保溫材料，并對(duì)新型塑料保溫隔熱材料在建筑節(jié)能上的應(yīng)用和前景作了闡述。 關(guān)鍵詞：保溫材料性能，管道保溫，經(jīng)濟(jì)厚度，橡塑保溫材料，節(jié)能技術(shù)
Abstract:In this paper , multivariable predictive the thermal conductivity of insulation materials, density, water absorption, permeability coefficient, fire resistance and other performance indicators, often used on rigid polyurethane foam, polyethylene foam, polystyrene foam, centrifugal glass sponge , rubber and foam, and rock some new insulation materials such as cotton were analyzed, and evaluated its application are described. Pipe insulation technology for a detailed overview of investigation and analysis of performance under the thermal insulation materials, application, selected on the basis, the choice of insulation material thickness of the method of cold air distribution systems and heat pipe insulation material selection methods do a description of that cold air systems and heat pipe insulation to the calculation of rigorous optimization of the thickness of a rational economic choice, to ensure that the system energy. Some insulation materials used by contrast, the selection of insulation materials derived principle. With the specific engineering, focusing on the rubber insulation materials research and analysis, through comparison with other insulation materials that rubber insulation materials at low temperatures because of its excellent performance is widely used in pipeline projects. Finally, the external wall insulation and thermal insulation materials, technology, and new plastic heat insulation materials in building energy efficiency on the application and prospects are described. Keyword: Performance of heat protective material, Insulated pipeline , Economic thickness ，Rubber insulation materials ，Energy-saving technology |
