标题:Energy Conservation Analysis and System Optimization of Extended Air Preheater
作者:Lu, Wanpeng; He, Suoying
通讯作者:Lu, WP;Lu, Wanpeng
作者机构:[Lu, Wanpeng] Shandong Jianzhu Univ, Sch Thermal Engn, Jinan 250101, Shandong, Peoples R China.; [He, Suoying] Shandong Univ, Sch Energy & Power Eng 更多
会议名称:10th International Symposium on Heating, Ventilation and Air Conditioning (ISHVAC)
会议日期:OCT 19-22, 2017
来源:10TH INTERNATIONAL SYMPOSIUM ON HEATING, VENTILATION AND AIR CONDITIONING, ISHVAC2017
出版年:2017
卷:205
页码:3903-3908
DOI:10.1016/j.proeng.2017.10.038
关键词:energy conservation analysis; extend air preheater; low-temperature; economizer; system optimization
摘要:Steam air heater is one of the most effective ways to avoid the corrosion and ash deposition of air preheater, but it increases the temperature of exhaust gas from the boiler and as a result, reduces cycle efficiency of the power plants. The current paper investigates the economic performance of a pre-fixed type of extend air preheater(EAPH). Based on the quantitative analysis of energy conservation and equivalent enthalpy method, the results indicate that the economic performance of the new preheater is not good when no air is required to be heated. In such case, an optimized system is proposed and the economic performance of the system is analyzed when applied in a 320 MW unit. The results show that the incremental ratio of the plant efficiency employing the optimized system increases from 0.11% (for EAPH) to 0.51% when no air is required to be heated. The saved value of annual average standard coal consumption rate is 1.50 g/(kW.h) compared to EAPH of 0.54 g/(kW.h). (C) 2017 The Authors. Published by Elsevier Ltd.
收录类别:CPCI-S;EI;SCOPUS
资源类型:会议论文;期刊论文
原文链接:https://www.scopus.com/inward/record.uri?eid=2-s2.0-85033378149&doi=10.1016%2fj.proeng.2017.10.038&partnerID=40&md5=871ad04f733a9bc4966ea0a69d25323d
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