<?xml version="1.1" encoding="utf-8"?>
<article xsi:noNamespaceSchemaLocation="http://jats.nlm.nih.gov/publishing/1.1/xsd/JATS-journalpublishing1-mathml3.xsd" dtd-version="1.1" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"><front><journal-meta><journal-id journal-id-type="publisher-id">EPTSM</journal-id><journal-title-group><journal-title>Electric Power Technology and Safety Management</journal-title></journal-title-group><issn>2997-3473</issn><eissn>2997-3503</eissn><publisher><publisher-name>Art and Technology</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.61369/EPTSM.2026070020</article-id><article-categories><subj-group subj-group-type="heading"><subject>Article</subject></subj-group></article-categories><title>火电厂余热余压回收系统技术改造研究</title><url>https://artdesignp.com/journal/EPTSM/3/7/10.61369/EPTSM.2026070020</url><author>肖金平</author><pub-date pub-type="publication-year"><year>2026</year></pub-date><volume>3</volume><issue>7</issue><history><date date-type="pub"><published-time>2026-07-20</published-time></date></history><abstract>针对火电厂余热余压回收能效偏低、低品位热源利用不足、自动化管控滞后等问题，本文从设备、工艺、智能控制三方面构建综合改造方案。设备上更换高效板式换热器，优化汽轮机通流结构；工艺上搭建余热梯级利用系统，依托低温省煤器、背压余压发电、溴化锂热泵分级回收各类余热；控制端搭建自适应算法智能平台，实现全工况实时调控。工程数据显示，排烟余热利用率提升15%，冷却水余热回收率提高18%，余压发电占比上升22%，供电煤耗降低3.2g/kW &amp;middot;h，年节约运行成本约1500万元，投资回收期3.1 年，经济与环保效益突出。</abstract><keywords>火电厂,余热余压,梯级利用</keywords></article-meta></front><body/><back><ref-list><ref id="B1" content-type="article"><label>1</label><element-citation publication-type="journal"><p>[1] D. D. Olodu, Andrew Erameh, Francis Inegbedion. Enhancing Energy Efficiency in Thermal Power Plants through Waste Heat Recovery Technologies[J]. 2025.[2] Hu Song. Study on Utilization of Low Temperature Waste Heat of Big Coal-fired Power Plants[J]. 2014.[3] Dr K Ashok Reddy. A Critical Review of Thermal Waste Heat Recovery Systems[J].2017.[4] Paul Christodoulides, Rafaela Agathokleous, Lazaros Aresti, et al. Waste Heat Recovery Technologies Revisited with Emphasis on New Solutions, including Heat Pipes, and Case Studies[J]. 2022.[5] Shengwei Huang, Chengzhou Li, Tianyu Tan, et al. An Improved System for Utilizing Low-Temperature Waste Heat of Flue Gas from Coal-Fired Power Plants[J]. 2017.[6] Changchun Xu, Min Xu, Zhao Ming, et al. Performance improvement of a 330MWe power plant by flue gas heat recovery system[J]. 2014.[7] P. S. Bundela, V. Chawla. Sustainable Development through Waste Heat Recovery[J]. 2010.[8] Fengping Pan, Jia Luo, Yaqing Zhu, et al. Optimized analysis of the clean depth waste heat utilization system in coal-fired power plant[J]. 2015.[9] Young-Min Kim, Assmelash A. Negash, S. S. Shamsi, et al. Experimental Study of a Lab-Scale Organic Rankine Cycle System for Heat and Water Recovery from Flue Gas in Thermal Power Plants[J]. 2021.[10] Zhang Chen-x. A New Low-temperature Flue Gas Waste Heat Optimized System in Coal-fired Power Plant[J]. 2014.</p><pub-id pub-id-type="doi"/></element-citation></ref></ref-list></back></article>
