1000MW超超临界锅炉启动分离器制造工艺研究  

On Manufacturing Technology of the Start-up Separator of a 1000 MW Ultra-Supercritical Boiler

作　　者：卢征然[1] 亓安芳[1] 惠晓涛[1] 江燕云[1] 

机构地区：[1]上海锅炉厂有限公司,上海200245

出　　处：《发电设备》2007年第3期231-234,241,共5页Power Equipment

摘　　要：目前,1000MW超超临界锅炉的启动分离器主体材料为SA335-P91,制造中的难题有球形缩颈管的制造工艺,焊接中的加热及背面充氩保护问题,偏心斜管的尺寸控制问题及焊接变形检测问题等。在试验研究的基础上,通过采取合适的焊接、热处理、检测等技术,成功地解决了这些制造工艺难点。The present day used material for manufacturing the main body of a 1 000 MW ultra-supereritical boiler＇s start-up separator is SA335-P91, The main difficulties in the fabrication process include： the forming technology of the spherical contraction neck, way of heating for welding and argon protection of the back side, dimension keeping of the slanting eccentric tube and distorsion checking after welding, etc. After a series of experimental trials, these technological difficulties were successfully overcome by application of appropriate welding, heat treatment and check-measuring techniques.

关 键 词：能源与动力工程 超超临界锅炉 启动分离器 SA335-P91钢 制造 

分 类 号：TK226[动力工程及工程热物理—动力机械及工程]