ANALYSIS OF HEATING SURFACE FOULING BEHAVIOR AND OPTIMIZED RETROFIT OF SOOT-BLOWING SYSTEM FOR TOWER TYPE BOILER OF 500 MW UNIT

YAN Weiping1; DONG Jiancong1; GAO Zhengyang1; LIU Yimin2; LI Wenlin2; SU Huicong21.Key Laboratory for Condition Monitoring and control of Equipments in Power Plants under Ministry of Education

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ANALYSIS OF HEATING SURFACE FOULING BEHAVIOR AND OPTIMIZED RETROFIT OF SOOT-BLOWING SYSTEM FOR TOWER TYPE BOILER OF 500 MW UNIT

Thermal Power Generation Vol. 40, Issue 8, Pages: 51-56(2011)

更新时间：2025-09-28

- ANALYSIS OF HEATING SURFACE FOULING BEHAVIOR AND OPTIMIZED RETROFIT OF SOOT-BLOWING SYSTEM FOR TOWER TYPE BOILER OF 500 MW UNIT
- 作者机构：
  
  1. 华北电力大学电站设备状态监测与控制教育部重点实验室
  2. 国网神头第二发电厂
- 作者简介：
- 基金信息：
- DOI：
  CLC： TK227
- Published：2011
- 稿件说明：
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YAN Weiping1, DONG Jiancong1, GAO Zhengyang1, et al. ANALYSIS OF HEATING SURFACE FOULING BEHAVIOR AND OPTIMIZED RETROFIT OF SOOT-BLOWING SYSTEM FOR TOWER TYPE BOILER OF 500 MW UNIT[J]. Thermal Power Generation, 2011, 40(8): 51-56.
DOI：

YAN Weiping1, DONG Jiancong1, GAO Zhengyang1, et al. ANALYSIS OF HEATING SURFACE FOULING BEHAVIOR AND OPTIMIZED RETROFIT OF SOOT-BLOWING SYSTEM FOR TOWER TYPE BOILER OF 500 MW UNIT[J]. Thermal Power Generation, 2011, 40(8): 51-56. DOI：

摘要

针对某电厂500 MW机组塔式锅炉因受热面积灰污染而造成塌灰灭火、锅炉效率下降和局部受热面超温爆管等问题

建立了锅炉受热面污染状态监测系统

实现了对各级受热面实时污染状况的在线监测。在机组稳定负荷下

进行了受热面的吹灰试验。通过对试验结果的分析以及结合吹灰系统的运行状况

确定了锅炉各主要受热面的污染特性

据此提出了改造声波吹灰器、优化现有蒸汽吹灰器的运行方式等方案。实施后

吹灰系统运行状况良好

经济效益显著。

Abstract

Directing against the problems occured on a tower type boiler of 500 MW unit due to ash deposition and fouling on the heating surface

such as ash falling

fireout

reducing of boiler efficiency

local overtemperature and tube-burst on the heating surface etc.

a monitoring system of boiler's heating surface fouling has been established

realizing real-time on-line monitoring of the heating surface fouling situation.Under the stable load condition

a test of soot-blowing has been carried out on said heating surface.Through analysis of the test results

and combined with the operation situation of the soot-blowing system

the fouling behavior of different main heating surfaces in the said boiler has been found.Based on these

a scheme of retrofitting acoustic soot-blowers and optimizing the existing steam soot-blowers has been put forward.After implementation

the operating situation of soot-blowing system is good

boasting remarkable economic benefit.

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