超临界锅炉屏式过热器受热面超温原因分析及对策

华电技术 ›› 2010, Vol. 32 ›› Issue (10): 16-17.

超临界锅炉屏式过热器受热面超温原因分析及对策

邹嘉奇，陈永彬，张东

安徽华电宿州发电有限公司，安徽宿州234101

收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2010-10-25 发布日期:2010-10-25

Analysis on overtemperature reasons of heating surface of platen superheater in supercritical boiler and its countermeasures

ZOU Jiaqi, CHEN Yongbin, ZHANG Dong

Anhui Huadian Suzhou Power Generation Corporation Limited, Suzhou 234101, China

Received:1900-01-01 Revised:1900-01-01 Online:2010-10-25 Published:2010-10-25

摘要/Abstract

摘要： 华电宿州发电有限公司 #1机组直流锅炉在第1次检查性大修后出现屏式过热器出口A侧经常超温的现象。分析认为，造成锅炉受热面金属温度高的最直接诱因是 #1锅炉炉内燃烧行程拉长，火焰中心上移。对 #1锅炉风烟及燃烧系统进行优化后，屏式过热器左侧壁温得到了有效控制。

关键词: 超临界, 超温, 火焰中心, 燃烧调整

Abstract: After first overhaul for inspection of the oncethrough boiler No.1 of Huadian Suzhou Power Generation Corporation Limited, the overtemperature phenomenon was often occurred in outlet Aside of the platen superheater. According to the analysis, it was considered that the most direct reason of the higher temperature of the heating surface is the combustion stroke in the furnace was lengthened and the flame center was moved up. The ventilation system and the combustion system of the boiler No.1 were optimized, and the wall temperature of the platen superheater left side was controlled effectively. 

Key words: supercritical, over-temperature, flame center, combustion adjustment

邹嘉奇;陈永彬;张东. 超临界锅炉屏式过热器受热面超温原因分析及对策[J]. 华电技术, 2010, 32(10): 16-17.

ZOU Jiaqi;CHEN Yongbin;ZHANG Dong. Analysis on overtemperature reasons of heating surface of platen superheater in supercritical boiler and its countermeasures[J]. Huadian Technology, 2010, 32(10): 16-17.

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