RETROFIT OF ROTARY AIR PREHEATER FOR ELIMINATING AIR-LEAKAGE

ZUO Shuang-jiInner Mongolian Industrial University

doi:10.19666/j.rlfd.2007.12.012

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RETROFIT OF ROTARY AIR PREHEATER FOR ELIMINATING AIR-LEAKAGE

Thermal Power Generation Issue 12, Pages: 44-48(2007)

更新时间：2025-09-28

- RETROFIT OF ROTARY AIR PREHEATER FOR ELIMINATING AIR-LEAKAGE
- 作者机构：
  
  内蒙古工业大学
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.2007.12.012
  CLC： TK223.34
- Published：2007
- 稿件说明：
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ZUO Shuang-jiInner Mongolian Industrial University. RETROFIT OF ROTARY AIR PREHEATER FOR ELIMINATING AIR-LEAKAGE[J]. Thermal Power Generation, 2007, (12): 44-48.
DOI：

ZUO Shuang-jiInner Mongolian Industrial University. RETROFIT OF ROTARY AIR PREHEATER FOR ELIMINATING AIR-LEAKAGE[J]. Thermal Power Generation, 2007, (12): 44-48. DOI： 10.19666/j.rlfd.2007.12.012.

摘要

分析了某电厂3号炉空气预热器漏风的原因及其影响因素

结合3号炉实际运行情况和空气预热器结构

设计、制定了双密封改造方案。改造实施后

大幅度地降低了回转式空气预热器的漏风率

改善了空气预热器的换热和流通阻力性能

提高了锅炉及机组运行的经济性。

Abstract

The causes and affecting factors of air-leakage in the rotary air preheater of boiler no.3 in one power plant have been analysed. Combining with the practical operating condition of boiler no.3 and the structural design of its air preheater

a retrofit scheme of double sealing has been worked out. After implementation

the air-leakage rate of the rotary air preheater has been decreased by a big margin

improving the performance of heat transfer and flow resistance for the said air preheater

enhancing the economic efficiency in operation of the boiler and unit.

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