ELIMINATION OF GAS AND AIR DUCTS' VIBRATION AS WELL AS VIBRATION DUE TO FANS' FOULING FOR BOILERS OF 100 MW UNIT

doi:10.19666/j.rlfd.2003.06.021

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ELIMINATION OF GAS AND AIR DUCTS' VIBRATION AS WELL AS VIBRATION DUE TO FANS' FOULING FOR BOILERS OF 100 MW UNIT

更新时间：2025-09-28

- ELIMINATION OF GAS AND AIR DUCTS' VIBRATION AS WELL AS VIBRATION DUE TO FANS' FOULING FOR BOILERS OF 100 MW UNIT
- Thermal Power Generation Issue 6, Pages: 66-67(2003)
- 作者机构：
  
  1. 山西娘子关发电厂
  2. 国电热工研究院
  3. 国电热工研究院山西正定,045203
  4. 山西正定,045203
  5. ,陕西,西安,710032
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.2003.06.021
  CLC： TK223.26
- Published：2003
- 稿件说明：
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ELIMINATION OF GAS AND AIR DUCTS' VIBRATION AS WELL AS VIBRATION DUE TO FANS' FOULING FOR BOILERS OF 100 MW UNIT[J]. Thermal power generation, 2003, (6): 66-67.
DOI：

ELIMINATION OF GAS AND AIR DUCTS' VIBRATION AS WELL AS VIBRATION DUE TO FANS' FOULING FOR BOILERS OF 100 MW UNIT[J]. Thermal power generation, 2003, (6): 66-67. DOI： 10.19666/j.rlfd.2003.06.021.

摘要

针对娘子关发电厂烟风道振动和引风机振动现象

通过频谱测试和热态试验分析了其产生的原因。分析认为

振动主要由送风机与送风管道阻力不匹配、风道加固质量差以及引风机叶轮积灰等所致。将送风机改为 5 5 3型高效送风机

引风机改为 4 68型直板叶片风机

并加固烟道后

使问题得以解决

Abstract

In view of phenomena concerning gas and air ducts’ vibration as well as vibration due to fans’ fouling in Niangziguan Power Plant

causes leading to occurance of said phenomena have been analysed through frequency spectrum test and hot state test. It is considered that the main causes leading to said vibration are: out-of-matching between forced draft fan and the resistance of draft air pipeline

bad quality of fixing the air ducts

and ash deposition on the bladed disc of induced draft fan

etc. After retrofitting the forced draft fan as 5-53 type high-effective one

and the induced draft fan as 4-6B type fan with straight-plate blades

as well as consolidating the gas duct

the said vibration problems have been solved.

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