CAUSE ANALYSIS OF ASH CLOGGING IN REGENERATIVE AIR HEATER AND PREVENTIVE MEASURES THEREOF

XIE Jian-yong1; DAI Cheng-feng2; YING Ming-liang3; YU Ji-an2; TU Xiao-bao21.Beilun Power Generation Co Ltd

doi:10.19666/j.rlfd.2007.06.013

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CAUSE ANALYSIS OF ASH CLOGGING IN REGENERATIVE AIR HEATER AND PREVENTIVE MEASURES THEREOF

Thermal Power Generation Issue 6, Pages: 55-57(2007)

更新时间：2025-09-28

- CAUSE ANALYSIS OF ASH CLOGGING IN REGENERATIVE AIR HEATER AND PREVENTIVE MEASURES THEREOF
- 作者机构：
  
  1. 北仑发电有限公司
  2. 国电北仑第一发电有限公司
  3. 浙江省电力试验研究院
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.2007.06.013
  CLC： TK223.34
- Published：2007
- 稿件说明：
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XIE Jian-yong1, DAI Cheng-feng2, YING Ming-liang3, et al. CAUSE ANALYSIS OF ASH CLOGGING IN REGENERATIVE AIR HEATER AND PREVENTIVE MEASURES THEREOF[J]. Thermal Power Generation, 2007, (6): 55-57.
DOI：

XIE Jian-yong1, DAI Cheng-feng2, YING Ming-liang3, et al. CAUSE ANALYSIS OF ASH CLOGGING IN REGENERATIVE AIR HEATER AND PREVENTIVE MEASURES THEREOF[J]. Thermal Power Generation, 2007, (6): 55-57. DOI： 10.19666/j.rlfd.2007.06.013.

摘要

介绍了北仑发电有限公司二期3×600 MW机组锅炉空气预热器(空预器)堵灰情况

并就影响空预器阻力变化的各种因素进行了分析

提出了有效抑制空预器阻力过快上升的技术措施。通过技术改造

实现了空预器在线水冲洗

解决了停机进行空预器冲洗而影响机组运行的问题。

Abstract

The situation of ash clogging in air heater of boilers for three 600 MW units in second-phase project of Beilun Power Generation Co Ltd has been presented

and various factors affecting the resistance variation in air heater being analysed

putting forward technical measures for effectively suprressing rapid resistance increase in the air heater. After technical retrofit

on-line water flushing of the air heater has been realized

solving the problem of water flushing during shut-down.

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CHEN Lu1

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