武汉地区既有建筑后贴聚苯板外保温系统面砖饰面可行性分析

分析武汉地区在既有建筑上后贴聚苯板外保温系统表面做瓷砖饰面的可行性。     

外墙外保温体系使用锚栓的问题

本文在分析外墙外保温体系的性能、受力状况的基础上，探讨了粘胶和锚栓在外墙外保温体系中的适用性和条件。     

复合外墙内外保温的传热分析与应用探讨

分别对复合外墙的内保温和外保温方式进行了传热分析，通过Matlab仿真计算得到了内、外保温时外墙体内各交界面处的温度在一天内的变化曲线，并作了对比性的分析，结合对传热、热应力和结露等因素的影响探讨，认为外保温方式是复合外墙节能保温的一种理想方式。     

Sto集团 外墙外保温系统的领跑者

1 Sto集团的性质及规模 德国Sto股份公司（Sto AG）是世界上最早开发外墙外保温体系的厂家之一，1965年最早推向市场的外墙外保温系统，产品性能优良，技术含量高，环保性好，近四十年来，在该领域一直保持着技术和市场的领先优势，堪称专业市场第一品牌，至2004年已为全球提供了近3亿多m^2的外墙外保温系统。     

XPS板的性能分析及应用研究

对XPS板吸水率、尺寸稳定性、粘结强度等性能进行了较系统的阐述与分析,并根据工程中对XPS板在外墙外保温技术上的应用及其注意事项进行了探讨,为XPS板在外墙外保温系统的合理使用和发展提供了依据。     

住宅外墙外保温系统环境成本的确定

为了准确测定住宅外保温系统的环境保护效果,文章首先界定了与外墙外保温系统环境成本有关的四种污染因子,根据污染因子排放量确定了单位热力及单位电力的环境成本;其次,利用热力折算标准煤系数及火电发电标准煤耗量将上述环境成本转化为单位面积外墙外保温系统的环境成本;最后利用实例计算出外墙外保温全寿命周期内的环境成本,并与未覆外墙外保温系统的传统建筑进行对比,证明了外墙外保温系统显著的环境保护效果,验证了模型的有效性。     

外墙外保温系统的经济实用性分析

对几种外墙外保温系统在墙体保温应用技术及工艺质量方面各自的优点与缺点、经济性、实用性、保温隔热性、防火性、保温层牢固程度、使用寿命等几个方面进行对比分析,重点分析了各外保温系统存在问题的原因,并提出相应的解决措施。     

外墙外保温金属漆施工解决方案

一、外保温系统的新难题 随着外墙外保温系统的不断推广和普及,给金属漆的应用带来了新的难题.     

某工程汉高聚苯板外墙外保温施工技术探讨

南京某小区采用了德国汉高赛利特挤塑型聚苯乙烯保温板(XPS)外墙外保温等节能施工技术,取得了比较好的保温节能效果。本文对包括基层处理、保温板安装及固定、粘贴玻纤网、涂抹面胶浆等工艺的汉高聚苯板外墙外保温施工过程进行了详细说明,交待了安全措施以及施工难题。指出材料是基础,施工是关键。     

EPS板薄抹灰系统饰面涂料的选择及施工控制

文章主要介绍了国内EPS板薄抹灰外墙外保温系统饰面涂料的选配，在工地施工时容易出现的几种质量问题，力求通过对质量问题的分析来探讨在施工过程中如何预防和避免这些质量隐患出现的可能性及相应的措施。     

基于柔性晶体硅电池的光伏瓦研究

光伏瓦作为一种建筑材料,可替代屋顶陶瓦建材,且增加了发电功能,以薄膜电池为主的柔性光伏瓦具有质量轻和可弯曲的特性,但存在转换效率低、使用寿命短的问题。采用柔性晶体硅太阳电池,通过固化炉加气压釜的新型层压工艺,克服了层压过程中气泡、脱层等工艺问题,实现了基于晶体硅电池效率的柔性光伏瓦。     

Energy and material flow analysis: Application to the storage stage of clay in the roof-tile manufacture

Energy and material flow analysis (EMFA) comprises a whole family of tools to optimize the consumption of energy, raw material, water and the discharge of effluents by pursuing systematically internal flows of energy and mass in production processes. Computer software with various degrees of complexity are available to facilitate this analysis.

In this paper, EMFA is applied to the case of the manufacture of roof tiles in a ceramic industry. The stage under evaluation is the storage of clay. A computational tool, Umberto, was used for the analysis. This software allows visualizing the process, units and flows, to analyze from an environmental point of view the effluents and the costs involved as well as to carry out both the mass and energy balances. As the main objective of this study is to implement an EMFA tool into our system, so that it can operate more efficiently and reduce its environmental impact, the evaluation of flows and stocks was made using the performance indicators provided by Umberto. The iterative capability of the software allows the identification of improvement potential, by a quantitative comparison of input and output data with target values.     

Lightweight thermal storage for solar heated buildings

A new building element is introduced that greatly improves the thermal and architectural peformance of passively heated structures. Insolated ceiling tiles charged with thin layers of phase change material are used to stabilize room temperatures and store large quantities of heat without using weighty materials which are expensive to support in multiple story structures. Experimental and analytical results are presented which detail the tile performance.     

Thin-film solar cells on commercial ceramic tiles

Amorphous silicon solar cells were deposited on porcelain stoneware tiles in order to develop a fully integrated PV building element. In a previous work we demonstrated the feasibility of adopting porcelain stoneware tiles as thin-film solar cell substrates and we fabricated solar cells on “industrial-level” ceramic substrates showing more than 4% efficiency. In this study we focus our attention on larger area devices deposited on tiles. As the active area increases additional problems arise from the surface of the substrate. In particular we find that short-circuit paths originate from the unfavorable properties of the substrate tiles (roughness, porosity, etc.) having dramatic consequences on the performance of larger area devices. With the assumption that spot-like regions, in which the back layer and the front layer are in electrical contact (local short-circuits), are present all over the device, we propose a new device structure to overcome the substrate drawbacks. A new contacts arrangement was designed in order to minimize the shunting effect of short-circuit paths. As a result an initial efficiency of 2.5% has been obtained using the new device structure for devices deposited on a PV mini-module tile.     

Photovoltaic roofing: issues of design and integration into buildings

In the last decade, the development of photovoltaic roofing elements has been exceptional. These efforts were not limited to merely improving the integration methods with standard PV products but were also directed towards the production of appropriate elements that could replace roof tiles or shingles. This paper reviews some of the competing technologies for photovoltaic roofing and addresses the issues raised in the total integration of PV into roofing structures. The paper also discusses the general requirements of an idealised photovoltaic roofing system and some of the relevant variables that are required for the satisfaction of the end users. It has been shown that current strategies available for the true integration of PV elements as roof tiles or shingles utilising the sloped building fabric are limited. There are however, major on-going activities to research and develop roofing systems based on the foot-print of a roof tile or shingle.     

Airflow Management in a Contained Cold Aisle Using Active Fan Tiles for Energy Efficient Data-Center Operation

Generally, passive perforated tiles are used in a data center and the supplied airflow rate is underprovisioned; thus, the balance of the server air requirement is met by the hot air in the room, resulting in higher server inlet temperatures. Full provisioning of the supplied airflow rate and containing the cold aisle is expected to minimize the hot air leakage in the cold aisle, resulting in uniform and lower server inlet temperatures. Thus, the supply air temperature can be raised, resulting in energy savings at the chiller plant. Supplying extra air can be achieved using active perforated tiles, having multiple fans installed on them. In this paper, the underprovisioned case using passive tiles and the fully provisioned case using active tiles are investigated for both open and contained aisle conditions. Thermal field measurements suggest lower and uniform server inlet temperatures for the case with contained aisle as compared to open aisle and for the fully provisioned case using active tiles as compared to the underprovisioned case using passive tiles. System-level energy calculations suggests that containing the cold aisle results in lower (improved) power usage effectiveness (PUE); however, use of active tiles does not seem to improve the PUE.     

应用陶瓷膜除油除铁技术回用炼厂凝结水

中国石化九江分公司炼油装置凝结水回用目前存在利用率低的问题，同时为防止用作锅炉给水补水时凝结水油、铁含量超标，危害锅炉的安全运行，应用陶瓷膜除油除铁技术对凝结水中所含油、铁进行处理。陶瓷膜除油除铁技术的主要核心部件为单段陶瓷膜管，每根陶瓷膜管内安装有19芯的陶瓷膜过滤芯，滤芯膜孔径为50nm。该技术具有耐高温性能好、膜的运行周期长和自动化水平高的特点。工业应用表明：经过陶瓷膜除油除铁技术处理后．凝结水油含量和铁含量分别由75．6mg／L、108μg／L降至0．56mg／L、14μg／L，除油率和除铁率分别达到了99．26％和87．04％。pH值、总碱度无明显变化．电导率略有下降。处理后的水质完全符合GB12145—1999《火力发电机组及蒸汽动力设备水汽质量标准》的要求。经核算，应用陶瓷膜除油除铁技术后，年净效益为230万元。     

国外舰船柴油机技术展望

综合介绍了国外舰船柴油机现状,论述国外舰船柴油机发展的总体集成技术、高功率密度技术、智能化技术和安静型柴油机装置技术等四项重点技术,探讨国外舰船柴油机技术发展趋向。     

Fabrication of high aspect ratio ceramic micro-channel in diamond wire sawing as catalyst support used in micro-reactor for hydrogen production

Ceramic is an ideal material for preparing micro-channel catalyst supports with their characteristics of high temperature resistance, corrosion resistance and mechanical strength. High aspect ratio micro-channel structure has the advantages of large specific surface area, strong mass and heat transfer performance and high material utilization. However, ceramic materials are hard and brittle, and it is difficult to fabricate micro-channel structures with aspect ratio more than 1.5:1 by traditional processing methods. In this paper, a cutting method of large diameter diamond wire sawing was proposed. The micro-channels with width of 520 μm and aspect ratio of more than 4:1 was successfully fabricated by this method. Furthermore, the integrity of the micro-channel structure processed by diamond wire sawing was analyzed. And than the effect of surface morphology in different processing parameters on the catalyst loading performance were studied. The catalyst loading strength of ceramic slices with different surface morphology was tested. Finally, the ceramic micro-channel array was used as the catalyst support in micro-reactor for hydrogen production via methanol steam reforming (MSR). The methanol conversion rate and H₂ production rate could reach 87.8% and 74.6 mmol/h, respectively under GHSV 12600 ml/g·h at 300 °C. The experimental results show that the large-diameter diamond wire sawing technology can be used to process ceramic microchannels with high aspect ratio; using ceramic microchannel arrays as catalyst supports in hydrogen production can obtain better reaction performance; the feasibility of ceramic materials were broadened as microchannel catalyst supports.