Comprehensive Treatment of High Temperature Corrosion of Water Wall of 700MW Supercritical Tangential-fired Boiler

胡园青; 曾名劭

doi:10.16056/j.1005-7676.2019.03.023

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Comprehensive Treatment of High Temperature Corrosion of Water Wall of 700MW Supercritical Tangential-fired Boiler

更新时间：2026-01-19

- Comprehensive Treatment of High Temperature Corrosion of Water Wall of 700MW Supercritical Tangential-fired Boiler
- Issue 3, Pages: 79-82(2019)
- 作者机构：
  
  江西赣能股份丰城二期发电厂
- 作者简介：
- 基金信息：
- DOI：10.16056/j.1005-7676.2019.03.023
  CLC： TM621.2
- Published：2019
- 稿件说明：
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[1]胡园青,曾名劭.700MW超临界四角切圆锅炉水冷壁高温腐蚀综合治理[J].能源研究与管理,2019(03):79-82.

胡园青, 曾名劭. Comprehensive Treatment of High Temperature Corrosion of Water Wall of 700MW Supercritical Tangential-fired Boiler[J]. 2019, (3): 79-82.
[1]胡园青,曾名劭.700MW超临界四角切圆锅炉水冷壁高温腐蚀综合治理[J].能源研究与管理,2019(03):79-82. DOI： 10.16056/j.1005-7676.2019.03.023.

胡园青, 曾名劭. Comprehensive Treatment of High Temperature Corrosion of Water Wall of 700MW Supercritical Tangential-fired Boiler[J]. 2019, (3): 79-82. DOI： 10.16056/j.1005-7676.2019.03.023.

摘要

某700 MW超临界四角切圆锅炉出现严重的水冷壁高温腐蚀后

通过针对性的燃烧优化调整、水冷壁防腐喷涂、增设贴壁风系统、减小燃烧器切圆直径、增加磨煤机动态分离器等措施

有效的改善了壁面还原性氛围

抑制了水冷壁管的腐蚀。在保障了锅炉运行的安全性的同时

提升了锅炉运行的经济性。

Abstract

After a severe water-cooled wall high-temperature corrosion occurs in a 700 MW supercritical tangentiallg-fired boiler. Through adjusting a series of combustion schemes

water wall anticorrosive spraying

adding closing-to-wall air system

reducing the tangential diameter of burner and increasing the dynamic separator of coal mill etc

the reducing atmosphere on the wall is effectively improved and the corrosion of water wall pipe is restrained. It not only guarantees the safety of the boiler operation

but also improves the economy of operation.

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