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首页> 外文会议>International Symposium on Heat Transfer Enhancement and Energy Conservation >Chongqing Communication Institute of PLA, Chongqing, 400035, China
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Chongqing Communication Institute of PLA, Chongqing, 400035, China

机译：重庆市重庆通信研究所，重庆市400035

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摘要

In this paper, the heat transfer characteristics of plain tube, membrane tube and spiral finned tube are studied by thermal calculation. The results show the heat transfer efficiency of the spiral finned tube is about four times higher than that of the plain tube under the same service condition. It shows the superiority of the spiral finned tube. Furthermore, several important factors of the spiral finned tube, such as the geometrical parameters, flue gas flow rate and anti-abrasion character, are analyzed. The results of the study have been used for the reconstruction design computation of one NG220/100-M3 boiler economizer, and the spiral finned tube were used for the reconstruction. By the reconstruction, the flue gas exhaust temperature reduces effectively and the abrasion of economizer is also decreased, The economy performance improves and the effective economical benefit is obtained. This study is expected to be useful for the reconstruction and design of the boiler economizer in power plant.
机译：本文通过热计算研究了普通管，膜管和螺旋翅片管的传热特性。结果表明，在相同的服务条件下，螺旋翅片管的传热效率大约比普通管高约四倍。它显示了螺旋翅片管的优越性。此外，分析了螺旋翅片管的几个重要因素，例如几何参数，烟气流量和抗磨特征。该研究的结果已被用于重建设计计算，一个NG220 / 100-M3锅炉助长器，螺旋翅片管用于重建。通过重建，烟道气排气温度有效减少，经济化器的磨损也降低，经济性能提高，获得了有效的经济效益。该研究预计将有助于电厂锅炉储存器的重建和设计。

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