返料腿金属膨胀节顺与导灰管碎裂问题分析及处理  

Analysis and Treatment of Metal Expansion Joint and Fracture of Guide Ash Tube in Recycle Legs

作　　者：郭学茂[1] 李龙 Guo Xuemao;Li Long(Taiyuan Boiler Group Co.,Ltd.,Taiyuan Shanxi 030021)

机构地区：[1]太原锅炉集团有限公司,山西太原030021

出　　处：《机械管理开发》2021年第5期274-275,共2页Mechanical Management and Development

摘　　要：循环流化床锅炉返料系统的运行稳定性和返料连续性直接关系锅炉设计性能的实现,由于膨胀原因导致的返料内部金属结构的损坏会导致锅炉发生非计划停炉,给用户的生产造成巨大的影响。基于此,阐述了用户锅炉运行现状,并进行了原因分析,通过改进内部金属结构的施工工艺,提出了解决其破损开裂的合理解决方法,并对结果进行验证。The operation stability and continuity of the return system of circulating fluidized bed boiler are directly related to the realization of the design performance of the boiler.The damage of the internal metal structure caused by expansion will lead to unplanned shutdown of the boiler.To the user’s production caused a huge impact.Based on this,the present situation of user boiler operation is expounded,and the cause analysis is carried out.By improving the construction technology of internal metal structure,a reasonable solution to solve its breakage and cracking is put forward,and the results are verified.

关 键 词：返料腿 顺灰管 导灰管 碎裂 

分 类 号：TK229[动力工程及工程热物理—动力机械及工程]