中国电力2017，Vol.50Issue(7)：69-73,78,6.DOI:10.11930/j.issn.1004-9649.2017.07.069.05
二次再热机组锅炉三段吹管技术研究
Technical Study on Three-Staged Pipe-Blowing Method Used in Double Reheat Unit
摘要
Abstract
Due to the higher thermal efficiency and the lower pollutant emissions,the double-reheat cycle technology is getting moreapplied in the industry..Therefore,the steam blowing process for the new units with double-reheat cycle calls for urgent study.In this paper,an ultra-supercritical 660 MW double-reheat boiler is taken as the study object.Based on the routine one-staged and two-staged pipe-blowing techniques,the three-staged pipe-blowing with pressure-reduction steam is proposed in accordance with the arrangement of the boiler heating surfaces.The results of the target plate test show that the number of the flushed spots are less than 5 and the diameters of the spots are all smaller than 0.5 mm,which completely meets the requirements of the national codes.The three-staged pressure-reduction pipe-blowing method,which produces good blowing quality,can provide practical reference for subsequent units with double reheat technology.关键词
火力发电/二次再热循环/超超临界机组/三段吹管/降压法Key words
thermal power generation/double reheat cycle/ultra-supercritical unit/three-staged pipe-blowing/pressure-reduction分类
能源科技引用本文复制引用
王林,刘辉,刘超,高景辉,赵志丹,王红雨,孟颖琪..二次再热机组锅炉三段吹管技术研究[J].中国电力,2017,50(7):69-73,78,6.基金项目
山东省“十二五”规划重点建设项目 （）
华能集团“十二五”重点电源项目 （）
