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研究了夏热冬冷地区建筑反射隔热涂料的应用技术。该技术通过PTI(plaster for thermal insulation)保温涂料、高性能弹性腻子与反射隔热涂料配套,组成PTI外墙保温涂料一反射隔热涂料节能系统,以满足50%建筑节能设计要求。 相似文献
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陈宝兰 《中国石油和化工标准与质量》2011,31(6):292+130
保温隔热涂料具有常规保温和涂料双重功能,从原理介绍了隔热涂料提高隔热效果的主要技术措施,应用到现场的加热炉、外浮顶罐等表面,实测数据表明,涂2mm该涂料后,外表面温度降低,散热损失降低.表明该涂料隔热性能十分优异,此外该环保型水性涂料,还具有整体性强、防水防潮、防腐蚀、施工较简单、使用寿命长等特点. 相似文献
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新型外墙纳米保温隔热涂装一体化系统由保温隔热腻子、柔性细腻子、封闭底漆、纳米保温隔热涂料、疏水型弹性反射隔热涂料构成。该系统具有涂层薄、隔热保温性能好、黏结力强、耐温变性好、防水抗渗、耐污抗裂、阻燃防火、安全环保等特点,且施工简便,性价比高。 相似文献
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隔热保温涂料和外墙外保温 总被引:1,自引:0,他引:1
按照隔热保温机理,可将隔热保温涂料分为阻隔性隔热保温涂料、反射隔热涂料及辐射隔热保温涂料3类。针对不同地区的气候特点,提出结合外墙外保温方案,合理选择和使用各种隔热保温涂料,产生舒适的室内热环境,同时达到节能的目的。 相似文献
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换热器微生物污垢问题普遍存在于能源化工领域,污垢的聚集会导致设备的流动阻力、燃料消耗和维护成本支出大幅度增加。本文采用复合纳米镀层来抑制和减轻换热表面的微生物污垢的附着和沉积。首先采用化学镀的方式,在板式换热器的不锈钢316板上镀覆 Ni-P-TiO2复合纳米镀层和对照性的Ni-P 镀层。基于板式换热器的微生物污垢在线监测实验系统,研究了镀覆Ni-P-TiO2复合纳米镀层的板式换热器微生物污垢特性。结果表明,清洁状态下,镀覆两种镀层的板式换热器其摩擦系数(f)和Nusselt数(Nu)相较未镀覆板式换热器均略有增加;微生物污垢实验后,相比较未镀覆的板式换热器,镀覆Ni-P镀层的板式换热器污垢热阻减少了8.36%~23.07%,而镀覆Ni-P-TiO2复合纳米镀层的板式换热器污垢热阻减少了16.6%~30.96%;在相同微生物污垢实验工况下,镀覆Ni-P-TiO2复合纳米镀层的板式换热器的摩擦系数(f)相比Ni-P镀层的低2.54%~11.82%,但Nu却明显高于Ni-P镀层达8.47%~9.45%,并且污垢热阻明显小于Ni-P镀层达10.66%~18.18%,镀覆Ni-P-TiO2复合纳米镀层的板式换热器展现了优异的强化传热性能和抑垢性能。 相似文献
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Ambient-curable polysiloxane coatings were prepared by pre-hydrolysis/condensation of phenyltrimethoxysilane (PTMS) and dimethyldimethoxysilane (DMDMS) in the presence of ammonia solution and subsequently mixing with aminopropyltriethoxysilane (APS). The mechanical properties of coatings were thoroughly examined at both macro- and micro-level and the thermal stability of coatings was characterized by thermogravimetic analysis, both of which were correlated with coating composition and the hydrolysis/condensation degree of polysiloxane oligomer. It was found that pro-hydrolysis step is essential for fabrication of thick crack-free coatings (18–35 μm). Higher DMDMS molar ratio, more APS dosage and lower hydrolysis/condensation degree of polysiloxane oligomer favor enhancing the hardness. Excellent impact resistance (50 cm kg) of coatings was obtained at 5% and 10% APS dosage, despite of the type and structure of polysiloxane oligomer. Whatever, the best scratch resistance of coatings was attained using the polysiloxane oligomer, prepared at PTMS-to-DMDMS molar ratio of 2:8 and water-to-precursor molar ratio of 1:1, and 5% APS dosage. The polysiloxane coatings exhibit high thermal stability, however, which strongly depends on the coating composition. 相似文献
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V. Carnicer C. Alcazar E. Sánchez R. Moreno 《Journal of the European Ceramic Society》2018,38(5):2430-2439
In order to obtain thermal barrier coatings by Suspension Plasma Spraying (SPS) process with potential new self-healing ability multicomponent submicronic Y-TZP/Al2O3/SiC suspensions were prepared. For this purpose, concentrated aqueous suspensions of individual components, as well as the multicomponent mixture were studied and characterised, in terms of colloidal stability and rheological behaviour to determine the best conditions for processing and preparation of the coatings. In the study, different dispersant contents and sonication times were tested. Subsequently, low concentrated suspensions were prepared to obtain preliminary thermal barrier coatings with the optimised feedstock. Thus, ceramic coatings were deposited by SPS and then characterised in order to assess the microstructure and phase distribution, in particular, the degree of preservation of the sealing agent, SiC, in the final coating as a previous indicator of its self-healing ability. 相似文献