330MW机组燃用神华煤优化改造

高永坤; 李兴智; 丁洪昇; 蒙毅; 罗欢; 张英民

doi:10.19666/j.rlfd.202007067

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330MW机组燃用神华煤优化改造

发电技术论坛 | 更新时间：2025-09-28

- 330MW机组燃用神华煤优化改造
- Equipment optimization for burning Shenhua coal in a 330MW coal-fired unit
- 热力发电 2021年50卷第3期页码：176-181
- 作者机构：
  
  1. 天津国电津能热电有限公司
  2. 西安热工研究院有限公司
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.202007067
  中图分类号： TK16
- 网络出版日期：2021-02-22，
  
  纸质出版日期：2021
- 稿件说明：
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高永坤, 李兴智, 丁洪昇, 等. 330MW机组燃用神华煤优化改造[J]. 热力发电, 2021,50(3):176-181.

GAO Yongkun, LI Xingzhi, DING Hongsheng, et al. Equipment optimization for burning Shenhua coal in a 330MW coal-fired unit[J]. Thermal power generation, 2021, 50(3): 176-181.
高永坤, 李兴智, 丁洪昇, 等. 330MW机组燃用神华煤优化改造[J]. 热力发电, 2021,50(3):176-181. DOI： 10.19666/j.rlfd.202007067.

GAO Yongkun, LI Xingzhi, DING Hongsheng, et al. Equipment optimization for burning Shenhua coal in a 330MW coal-fired unit[J]. Thermal power generation, 2021, 50(3): 176-181. DOI： 10.19666/j.rlfd.202007067.

摘要

天津国电津能热电有限公司2×330 MW机组锅炉在掺烧神华煤过程中出现了严重结渣现象

为此电厂对燃用神华煤的2号锅炉燃烧系统进行了重新设计和调整

并在易结渣区域增加了26支吹灰器。优化改造后

锅炉结渣明显改善

空气预热器入口烟气温度降低11℃;飞灰含碳量和CO生成量基本不变

SCR装置入口NO_x生成质量浓度降低30 mg/m~3

锅炉效率升高0.3%

停炉检查发现炉膛区域和屏区结渣明显减轻。

Abstract

Serious slagging occurred in 2×330MW unit boilers of Tianjin Guodian Jinneng Thermal Power Plant when burning Shenhua coal. To solve this problem

the power plant redesigned and adjusted the combustion system of No.2 boiler

and added 26 steam soot-blowers in the slagging area. After the optimization

the slagging situation was dramatically eased

the flue gas temperature at inlet of the air preheater decreased by 11℃

the carbon content in fly ash and quantity of CO produced had little change basically

the mass concentration of NO_x at the SCR denitration system inlet decreased by 30 mg/m~3

and the boiler efficiency increased by 0.3%. It was found that the slagging in the furnace area and the platen area was significantly reduced after boiler shutdown.

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