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Optimization Design of Refuse-Incinerating Power Plant With Air-Cooled Heat Exchanger

机译：风冷换热器垃圾焚烧发电厂的优化设计

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摘要

As a newly developed industry, refuse incinerating power plants with air-cooled heat exchanger (ACHE) systems benefit both environment and energy savings. Since the exhaust steam of power plant is cooled in the atmosphere, the pressure of the exhaust steam fluctuates with variation of air temperature. As a result, the generated electric power of a power plant with an ACHE system is considerably influenced by meteorological conditions in the region where this type of power plant is built. The present work studies three different designs of a refuse-incinerating power plant with ACHE for a real project. Under the local meteorological conditions, the overall flow and temperature fields of the air in the whole power plant, especially around the air-cooled heat exchanger, are numerically investigated with the commercial computational fluid dynamics (CFD) code FLUENT and the feasibility of the project is then evaluated. In addition, a comparison of these three designs is also provided, including the performance of the exchangers and the fans, the collocation of the exhaust gas pipe, and the costs of the ACHE system.
机译：作为新兴产业，使用空冷热交换器（ACHE）的垃圾焚烧发电厂既有利于环境节能，又有利于节能。由于发电厂的排气在大气中被冷却，因此排气压力随着空气温度的变化而波动。结果，具有ACHE系统的发电厂的发电电力在很大程度上受到建造这种发电厂的区域中的气象条件的影响。目前的工作研究了一个带有ACHE的垃圾焚烧发电厂的三种不同设计，用于一个实际项目。在当地气象条件下，使用商业计算流体力学（CFD）代码FLUENT对整个发电厂（尤其是风冷热交换器周围）空气的整体流场和温度场进行了数值研究，并证明了该项目的可行性然后进行评估。此外，还提供了这三种设计的比较，包括交换器和风扇的性能，排气管的搭配以及ACHE系统的成本。

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  • 来源
    《Heat Transfer Engineering》 |2014年第8期|711-720|共10页
  • 作者

    DONGJIE ZHANG; QIN CHEN; QIUWANG WANG; XIANGYANG XU;

  • 作者单位

    China ENFI Engineering Corp., 12 Fuxing Avenue, Beijing, China, 100038;

    China ENFI Engineering Corp., Beijing, China;

    Key Laboratory of Thermo-Fluid Science and Engineering, Ministry of Education, Xi'an Jiaotong University, Xi'an, Shaanxi, China;

    China ENFI Engineering Corp., Beijing, China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
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  • 正文语种 eng
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