RETROFITTING OF REFRACTORY BELT FOR W-FLAME BOILER

ZENG Rong1; FENG Jiyong2; YU Changkai3 1.Chongqing Electric Power College

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RETROFITTING OF REFRACTORY BELT FOR W-FLAME BOILER

更新时间：2025-09-28

- RETROFITTING OF REFRACTORY BELT FOR W-FLAME BOILER
- Thermal Power Generation Vol. 41, Issue 8, (2012)
- 作者机构：
  
  1. 重庆电力高等专科学校
  2. 重庆发电厂
  3. 华能珞璜电厂
- 作者简介：
- 基金信息：
- DOI：
  CLC： TK223.21
- Published：2012
- 稿件说明：
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ZENG Rong1, FENG Jiyong2, YU Changkai3 1.Chongqing Electric Power College. RETROFITTING OF REFRACTORY BELT FOR W-FLAME BOILER[J]. Thermal power generation, 2012, 41(8).
DOI：

ZENG Rong1, FENG Jiyong2, YU Changkai3 1.Chongqing Electric Power College. RETROFITTING OF REFRACTORY BELT FOR W-FLAME BOILER[J]. Thermal power generation, 2012, 41(8). DOI：

摘要

由于煤质变差

某360MW机组"W"型火焰锅炉燃烧不稳

需大量投油助燃。对此

进行卫燃带改造。改造后

燃烧工况明显改善

火焰稳定性提高;助燃油投入量减少

机组负荷在200MW左右可不投油助燃;锅炉排烟温度由170～180℃降至150～160℃

大渣和飞灰含碳量降低。

Abstract

Poor coal quality causes combustion instability

thus large amount of fuel oil were necessary for a 360 MW unit with W-flame boiler.Therefore

against the low temperature level in the furnace of the boiler

retrofitting of the refractory belt was conducted.After the modification

combustion condition is significantly improved

and the flame stability is also enhanced.Moreover

fuel oil consumption decreases

and no oil is needed when the unit load is about 200 MW.Besides

the exhaust gas temperature reduces from 170～180 ℃ to 150～160 ℃

and the bottom ash and carbon content of fly ash decreases too.

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