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Analysis of resistance loss in pipeline before the blast furnace blower 高炉鼓风机前管路阻力损失分析
2013 International Conference on Materials for Renewable Energy and Environment Pub Date : 2013-08-01 DOI: 10.1109/ICMREE.2013.6893793
Chen Guan, Hongling Yu, Dongwei Yang, Bojun Xiao
{"title":"Analysis of resistance loss in pipeline before the blast furnace blower","authors":"Chen Guan, Hongling Yu, Dongwei Yang, Bojun Xiao","doi":"10.1109/ICMREE.2013.6893793","DOIUrl":"https://doi.org/10.1109/ICMREE.2013.6893793","url":null,"abstract":"The blast furnace blower is a significant piece of power equipment of the steel enterprise. Its power consumption takes up more than 97% of the blower station's total power consumption, and resistance loss in pipeline before the blast furnace blower affects power consumption directly. This paper establishes a theoretical model to provide a theory for pipe arrangement, and compares with actual parameters to find what caused any inaccuracy. Meanwhile, we analyze resistance loss causes for each module to put forward corresponding countermeasures for energy conservation, and provide a theory for operating the blast furnace efficiently.","PeriodicalId":6427,"journal":{"name":"2013 International Conference on Materials for Renewable Energy and Environment","volume":"31 1","pages":"792-795"},"PeriodicalIF":0.0,"publicationDate":"2013-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74957104","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Acid texturing of large area multi-crystalline silicon wafers for solar cell fabrication 太阳能电池制造用大面积多晶硅片的酸变形
2013 International Conference on Materials for Renewable Energy and Environment Pub Date : 2013-08-01 DOI: 10.1109/ICMREE.2013.6893608
Su Zhou, Chunlan Zhou, Wenjing Wang, Yehua Tang, Jingwei Chen, B. Yan, Yan Zhao
{"title":"Acid texturing of large area multi-crystalline silicon wafers for solar cell fabrication","authors":"Su Zhou, Chunlan Zhou, Wenjing Wang, Yehua Tang, Jingwei Chen, B. Yan, Yan Zhao","doi":"10.1109/ICMREE.2013.6893608","DOIUrl":"https://doi.org/10.1109/ICMREE.2013.6893608","url":null,"abstract":"Surface texturing of silicon can improve the incident light trapping and hence increase the conversion efficiency of solar cells. The texturing of multi-crystalline silicon (mc-Si) for solar cells with HF/HNO3 acidic solution has been investigated in this work. The recipe of texturing solution was studied to eliminate grain boundaries and defects which may appear in the texturing process. The effect of etch depth on large size solar cell process was also discussed. It is suggested that appropriate etch depth may enhance the surface quality of solar cells without negative effect on the incident light trapping. The result shows that elimination of deep grain boundaries and defects and enhancement of surface quality improves cell performance by increasing the open circuit voltage and the short circuit current.","PeriodicalId":6427,"journal":{"name":"2013 International Conference on Materials for Renewable Energy and Environment","volume":"51 1","pages":"31-34"},"PeriodicalIF":0.0,"publicationDate":"2013-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75914351","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Effect of temperature on the morphology of silver nanoparticles on Si substrate in the silver mirror reaction 银镜像反应中温度对Si衬底上银纳米颗粒形貌的影响
2013 International Conference on Materials for Renewable Energy and Environment Pub Date : 2013-08-01 DOI: 10.1109/ICMREE.2013.6893633
B. Jiang, Meicheng Li, Hang Yu, Fan Bai
{"title":"Effect of temperature on the morphology of silver nanoparticles on Si substrate in the silver mirror reaction","authors":"B. Jiang, Meicheng Li, Hang Yu, Fan Bai","doi":"10.1109/ICMREE.2013.6893633","DOIUrl":"https://doi.org/10.1109/ICMREE.2013.6893633","url":null,"abstract":"The Ag nanospheres and Ag floccules were prepared on p-type Si substrate by a short-time silver mirror reaction without the introduction of stable agents and control-shaped seeds. In the short reaction time, the morphology of Ag nanoparticles could be influenced by the reaction temperature and the concentration of [Ag(NH<sub>3</sub>)<sub>2</sub>]<sup>+</sup>. The monodisperse Ag nanosphere were easily obtained under the lower growth rate induced by the lower concentration of [Ag(NH<sub>3</sub>)<sub>2</sub>]<sup>+</sup> or the lower temperature. The Ag floccules were synthesized in the solution with high concentration of [Ag(NH<sub>3</sub>)<sub>2</sub>]<sup>+</sup> at high temperature. The Ag nanoparticles on the Si substrate prepared by silver mirror reaction could be used directly to etch nanostructures on the Si substrate for the applications in solar cells.","PeriodicalId":6427,"journal":{"name":"2013 International Conference on Materials for Renewable Energy and Environment","volume":"234 1","pages":"140-142"},"PeriodicalIF":0.0,"publicationDate":"2013-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80302842","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Design and practice of flue gas deep cooling device for energy saving and emission reduction 节能减排烟气深度冷却装置的设计与实践
2013 International Conference on Materials for Renewable Energy and Environment Pub Date : 2013-08-01 DOI: 10.1109/ICMREE.2013.6893787
Yingqun Bao, Qinxin Zhao, Yungang Wang, Yangeng Jiang
{"title":"Design and practice of flue gas deep cooling device for energy saving and emission reduction","authors":"Yingqun Bao, Qinxin Zhao, Yungang Wang, Yangeng Jiang","doi":"10.1109/ICMREE.2013.6893787","DOIUrl":"https://doi.org/10.1109/ICMREE.2013.6893787","url":null,"abstract":"Aiming at the problem that at the Ningxia Daba 320MW Coal-fired Power Plant, where is a higher flue gas temperature and a greater difference of the outlet flue gas temperature, we have made an modification of the tail flue gas duct by installing a gas deep cooling device to recover the waste heat and heat the condensed water. We have depicted the general layout scheme of the device and the research results on key technology of low-temperature corrosion and deposited ash abrasion. In the device, the H-type finned tubes are used as the heat transfer components. The trial operation shows that through the installation of the deep cooling device with varying pitches, the inlet temperature of the electrostatic precipitator decreases by 25°C and the gas temperature difference is eliminated. Under the load of 300MW, the turbine heat rate decreases by 40.3kJ/kWh, the unit coal consumption rate reduces by 1.491g/kWh, and the power supply coal consumption decreases by 1.425g/kWh. The system can save the amount of the cooling water for desulfurization and reduce the emission of CO2, so it is able to realize more economic and safe operation of the generating unit under various loads.","PeriodicalId":6427,"journal":{"name":"2013 International Conference on Materials for Renewable Energy and Environment","volume":"334 1","pages":"763-769"},"PeriodicalIF":0.0,"publicationDate":"2013-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77584069","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 6
A methodology to infer the compressor characteristic curve 压缩机特性曲线的一种推导方法
2013 International Conference on Materials for Renewable Energy and Environment Pub Date : 2013-08-01 DOI: 10.1109/ICMREE.2013.6893796
S. Yang, Lili Zhang
{"title":"A methodology to infer the compressor characteristic curve","authors":"S. Yang, Lili Zhang","doi":"10.1109/ICMREE.2013.6893796","DOIUrl":"https://doi.org/10.1109/ICMREE.2013.6893796","url":null,"abstract":"A methodology is proposed to infer the characteristic curve of the compressor of 9FA gas turbine based on the performance parameters of PG9351FA gas turbine at designed condition and some experimental data at off-design conditions, and then comparison is conducted between the real off-design performance data and the computed data to demonstrate the feasibility of this inferred method. The results show that the inferred methodology to apply linear scaled method with the design condition point as the central point has good accuracy for off-design points not far away from the designed condition point, and the inferring error increases slightly for off-design points farther from the designed condition points.","PeriodicalId":6427,"journal":{"name":"2013 International Conference on Materials for Renewable Energy and Environment","volume":"12 1","pages":"809-812"},"PeriodicalIF":0.0,"publicationDate":"2013-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82092378","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Study on the radiative heat transfer characteristics of one solar simulator 某太阳模拟器的辐射换热特性研究
2013 International Conference on Materials for Renewable Energy and Environment Pub Date : 2013-08-01 DOI: 10.1109/ICMREE.2013.6893604
Jinglong Du, X. Huang, D. Tang
{"title":"Study on the radiative heat transfer characteristics of one solar simulator","authors":"Jinglong Du, X. Huang, D. Tang","doi":"10.1109/ICMREE.2013.6893604","DOIUrl":"https://doi.org/10.1109/ICMREE.2013.6893604","url":null,"abstract":"One high-flux solar simulator facility has been developed for all-weather indoor testing of dish/Stirling solar power generation system. This solar simulator composed of multiple xenon arc lamps combined with a faceted paraboloidal dish concentrator. The Monte-Carlo ray-tracing method is utilized to predict the radiation flux distributions of the concentrator-receiver system, and the numerical result is validated by experiment, the deviation of total radiation flux in the focal receiver between the experimental data and the ray-tracing results is about 0.32%. Then the radiation flux profiles on the receiver surface for faceted real concentrator and ideal paraboloidal concentrator are analyzed respectively. The results indicated that a faceted concentrator combined with 12 Xe-arc lamps can provided uniform irradiance on the receiver surface, it is beneficial for the long-term reliable and efficient operation of the stirling engine. The designed solar simulator can provide enough radiation power at the receiver aperture. It can be used as an experiment platform for stirling engine.","PeriodicalId":6427,"journal":{"name":"2013 International Conference on Materials for Renewable Energy and Environment","volume":"6 1","pages":"12-16"},"PeriodicalIF":0.0,"publicationDate":"2013-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87785072","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Synthesis and photocatalytic properties of Cu2O/BiOCl semiconductor films Cu2O/BiOCl半导体膜的合成及其光催化性能
2013 International Conference on Materials for Renewable Energy and Environment Pub Date : 2013-08-01 DOI: 10.1109/ICMREE.2013.6893760
Cong Wang, Fangfang Zhang, Jiushan Cheng, Yinfang Cui, Sujuan Wu
{"title":"Synthesis and photocatalytic properties of Cu2O/BiOCl semiconductor films","authors":"Cong Wang, Fangfang Zhang, Jiushan Cheng, Yinfang Cui, Sujuan Wu","doi":"10.1109/ICMREE.2013.6893760","DOIUrl":"https://doi.org/10.1109/ICMREE.2013.6893760","url":null,"abstract":"Cu2O/BiOCl composite films were synthesized by a simple two-step-method: sol-gel dip-coating technique and magnetron sputtering. At first, the BiOCl thin film was prepared on indium tin oxide (ITO) substrate via a simple sol-gel dip-coating technique. Then the Cu2O thin film was fabricated on the surface of the BiOCl thin film by magnetron sputtering. Their photocatalytic activities were evaluated by photocatalytic degradation of Rhodamine B (RhB) under UV and visible light irradiation, respectively. It was found that the photocatalytic activity of the Cu2O/BiOCl composite films was higher than single BiOCl thin film and single Cu2O thin film. The photocatalytic efficiency of the as-synthesized films seems to strongly depend, that is mainly due to both of the Cu2O works as a sensitizer absorbing visible light and the Cu2O/BiOCl hetero-junction promoting the separation rate of photo-generated electron-hole pairs. The mechanism has been discussed on the interparticle charge transfer between two semiconductors while they have the suitable relative band position.","PeriodicalId":6427,"journal":{"name":"2013 International Conference on Materials for Renewable Energy and Environment","volume":"46 1","pages":"662-665"},"PeriodicalIF":0.0,"publicationDate":"2013-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87163209","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Study on the collection efficiency of parabolic trough solar collector 抛物面槽型太阳能集热器集热器效率的研究
2013 International Conference on Materials for Renewable Energy and Environment Pub Date : 2013-08-01 DOI: 10.1109/ICMREE.2013.6893602
Chengmu Xu, Ming Li, Xu Ji, Fei Chen
{"title":"Study on the collection efficiency of parabolic trough solar collector","authors":"Chengmu Xu, Ming Li, Xu Ji, Fei Chen","doi":"10.1109/ICMREE.2013.6893602","DOIUrl":"https://doi.org/10.1109/ICMREE.2013.6893602","url":null,"abstract":"In this paper, the heat collection efficiency of the parabolic trough solar collector (PTC) with arbitrary orientation and tilt angle is analyzed, the formulae for calculating collection efficiency are given and relevant calculations and discussion are made. The typical solar beam radiation data of three cities with different latitudes are used for calculating the daily average collection efficiency, the results are compared with theoretical values. It is indicated through the analysis that the results obtained by using typical solar beam radiation (typical results) are smaller than theoretical values in winter; besides, with the increasing of latitude, the extent that the typical results being smaller than the theoretical values turns bigger. To prove the accuracy of theoretical model, the test experiments were conducted with a five-meter long PTC system. It is shown that the results matched well with the theoretical results. The present study work can provide some useful references for the simulation and calculation of collection efficiency of PTC system in different regions.","PeriodicalId":6427,"journal":{"name":"2013 International Conference on Materials for Renewable Energy and Environment","volume":"14 1","pages":"1-7"},"PeriodicalIF":0.0,"publicationDate":"2013-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85079626","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Transition metals-Modified SAPO-34 for methanol conversion to light olefins 过渡金属改性SAPO-34用于甲醇转化为轻烯烃
2013 International Conference on Materials for Renewable Energy and Environment Pub Date : 2013-08-01 DOI: 10.1109/ICMREE.2013.6893778
J. Mi, Fen Yuan, Jian'an Zhang
{"title":"Transition metals-Modified SAPO-34 for methanol conversion to light olefins","authors":"J. Mi, Fen Yuan, Jian'an Zhang","doi":"10.1109/ICMREE.2013.6893778","DOIUrl":"https://doi.org/10.1109/ICMREE.2013.6893778","url":null,"abstract":"The catalysts prepared by modifying SAPO-34 molecular sieve catalyst with Transition metals (Zn, Ni, Co, and Fe) by hydrothermal method were investigated for methanol conversion to light olefins (MTO). And the prepared catalysts were characterized by XRD and SEM. The catalytic properties of the modified molecular sieves were evaluated through a fixed bed reactor. The results showed that the ethylene yield of ZnSAPO-34 was increased by 3.2% and total yield of ethylene and propylene was increased by 5.0%.","PeriodicalId":6427,"journal":{"name":"2013 International Conference on Materials for Renewable Energy and Environment","volume":"1 1","pages":"721-724"},"PeriodicalIF":0.0,"publicationDate":"2013-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90317499","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Numerical simulation on air flow and heat transfer inside solarwall 太阳能墙内空气流动与传热的数值模拟
2013 International Conference on Materials for Renewable Energy and Environment Pub Date : 2013-08-01 DOI: 10.1109/ICMREE.2013.6893709
Zhongjiao Ma, Jialin Song, Jili Zhang, Jin Yu
{"title":"Numerical simulation on air flow and heat transfer inside solarwall","authors":"Zhongjiao Ma, Jialin Song, Jili Zhang, Jin Yu","doi":"10.1109/ICMREE.2013.6893709","DOIUrl":"https://doi.org/10.1109/ICMREE.2013.6893709","url":null,"abstract":"In China, the severe cold region is vast in territory and its winter cold causes huge energy consumption in heating, while the growing sealing buildings give rise to a poor indoor air quality. Solarwall technology provides an economic and applicable solution for heating and ventilation, and nowadays it is widely used in buildings. An aim of this article was to analyze the air flow and heat transfer inside solarwall. We used realizable k-ε model of FLUENT to simulate conditions of different air supply velocities, indicating the temperature distribution and air velocity distribution inside solarwall. Results showed that the temperature inside the solarwall fluctuated with the holes position. Furthermore, on the width direction sections temperature varied with the absorbed solar radiation intensity, while on the highly direction sections the peak and valley value of average temperature were both declined along the increase of height. However the increase of air supply velocity weakened the effects of solar radiation and uniformed the air temperature in highly direction. The average air velocity presented an upward trend from the bottom to the top, yet a dramatic decline occurred on the area where air flow direction changed.","PeriodicalId":6427,"journal":{"name":"2013 International Conference on Materials for Renewable Energy and Environment","volume":"12 1","pages":"454-457"},"PeriodicalIF":0.0,"publicationDate":"2013-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88419475","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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