超临界间冷机组高背压供热技术的应用分析

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英文篇名：Application analysis on high back pressure heating technology for supercritical intercooling unit 作者：侯晓宁 ; 阿不都克里木·阿布来提 英文作者：HOU Xiaoning;Abu Dhabi Krimu·ABU DHATI;Huadian Zhengzhou Machinery Design and Research Institute Company Limited;Xinjiang Huadian Kashi Thermal Power Company Limited; 关键词：超临界机组 ; 双温区凝汽器 ; 高背压 ; 余热利用 英文关键词：supercritical unit;;dual temperature zone condenser;;high back pressure;;waste heat utilization 中文刊名：SLDL 英文刊名：Huadian Technology 机构：华电郑州机械设计研究院有限公司;新疆华电喀什热电有限责任公司; 出版日期：2019-02-25 出版单位：华电技术 年：2019 期：v.41;No.319 语种：中文; 页：SLDL201902011 页数：4 CN：02 ISSN：41-1395/TK 分类号：44-47

摘要

高背压供热作为一种高效供热形式,能够最大限度地回收汽轮机的冷源损失。介绍了高背压供热的原理,并以喀什热电2×350 MW超临界间接空冷机组高背压改造为例,介绍了间接空冷超临界机组高背压改造的主要内容,同时现场进行了各主要工况试验,并依据试验数据对机组效益进行分析,证明高背压供热能够有效减低机组发电煤耗,具有较大推广价值。
        High back pressure heating is a high-efficiency heating method that can recover the cold source loss of steam turbines to the utmost extent.The principle of high back pressure heating is introduced.Taking the high back pressure transformation of 2×350 MW supercritical intercooling units in Kashi Thermal Power as an example,the main contents of high back pressure reform on supercritical intercooling units are introduced.At the same time,tests under the main working conditions are carried out.Analyzing the efficiency based on the testing data,it is proved that the high back pressure heating can effectively reduce the coal consumption of the unit,which is of great promotion value.

引文

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