华电技术 ›› 2012, Vol. 34 ›› Issue (9): 62-64.

• 技术交流 • 上一篇    下一篇

正压浓相输灰在大唐国际陡河发电厂的应用

王剑锋   

  1. 大唐国际陡河发电厂,河北唐山063028
  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2012-09-25 发布日期:2012-09-25

Application of positive pressure densephase pneumatic ash conveying system in Douhe Power Plant

WANG Jianfeng   

  1. Datang International Douhe Power Plant, Tangshan 063028, China
  • Received:1900-01-01 Revised:1900-01-01 Online:2012-09-25 Published:2012-09-25

摘要: 大唐国际陡河发电厂 #3, #4锅炉输灰系统在实际运行中出现了系统稳定性差、系统缺陷频发、电除尘器高料位、系统磨损严重、压缩空气裕量不足等问题。对出现的问题进行了分析,提出了解决办法。

关键词: 正压浓相气力输灰, 煤质变化, 原因分析, 设备改造, 解决办法

Abstract: Some problems occurred in practical operation of the ash conveying system of boilers No.3 and No.4 in Datang International Douhe Power Plant, which include that the system stability is poor, the system defects occurred frequently, the material level of the electrostatic precipitator is higher, the wear of the system is serious, the allowance of the pressured air is insufficient and others. The problems were analyzed ,and the solving methods were proposed.

Key words: positive pressure dense-phase pneumatic ash conveying, variation of coal quality, reason analysis, equipment reformation, solution