APPLICATION OF DUAL-SEALING TECHNOLOGY IN RETROFITTING SEAL OF ROTARY AIR PREHEA TERS

LIU Gui-feng; SUN Jian-bo

doi:10.19666/j.rlfd.2005.03.013

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APPLICATION OF DUAL-SEALING TECHNOLOGY IN RETROFITTING SEAL OF ROTARY AIR PREHEA TERS

更新时间：2025-09-28

- APPLICATION OF DUAL-SEALING TECHNOLOGY IN RETROFITTING SEAL OF ROTARY AIR PREHEA TERS
- Thermal Power Generation Issue 3, Pages: 37-38(2005)
- 作者机构：
  
  1. 淮北国安电力有限公司
  2. 北京华能达电力技术应用有限公司,安徽,淮北,235106
  3. ,北京,100053
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.2005.03.013
  CLC： TK223.34
- Published：2005
- 稿件说明：
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LIU Gui-feng, SUN Jian-bo. APPLICATION OF DUAL-SEALING TECHNOLOGY IN RETROFITTING SEAL OF ROTARY AIR PREHEA TERS[J]. Thermal power generation, 2005, (3): 37-38.
DOI：

LIU Gui-feng, SUN Jian-bo. APPLICATION OF DUAL-SEALING TECHNOLOGY IN RETROFITTING SEAL OF ROTARY AIR PREHEA TERS[J]. Thermal power generation, 2005, (3): 37-38. DOI： 10.19666/j.rlfd.2005.03.013.

摘要

通过对淮北第二发电厂2台300 MW燃煤机组锅炉回转式空气预热器(空预器)漏风原因的分析

提出了空预器“双密封”改造的可行性方案。改造后

较好地解决了回转式空预器漏风大、自动漏风控制系统可靠性差等问题。

Abstract

Through cause analysis of air leakage in rotary air preheaters for boilers of two 300 MW coal-firing units at Huaibei Power Plant No.2

a feasible scheme of retrofitting the said air preheaters into dual-sealing has been put forward.After retrofitting

problems such as large amount of air leakage in said air preheaters and bad reliability of automatic air leakage control system etc.have been solved.

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