HOT-STATE FLUSHING OF DIRECT AIR-COOLED UNIT

LI Zhi-cheng; WANG Ying-gao North China Electric Power Science Research Institute

doi:10.19666/j.rlfd.2008.12.013

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HOT-STATE FLUSHING OF DIRECT AIR-COOLED UNIT

更新时间：2025-09-28

- HOT-STATE FLUSHING OF DIRECT AIR-COOLED UNIT
- Thermal Power Generation Vol. 37, Issue 12, Pages: 51-53(2008)
- 作者机构：
  
  华北电力科学研究院
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.2008.12.013
  CLC： TM621
- Published：2008
- 稿件说明：
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LI Zhi-cheng, WANG Ying-gao North China Electric Power Science Research Institute. HOT-STATE FLUSHING OF DIRECT AIR-COOLED UNIT[J]. Thermal power generation, 2008, 37(12): 51-53.
DOI：

LI Zhi-cheng, WANG Ying-gao North China Electric Power Science Research Institute. HOT-STATE FLUSHING OF DIRECT AIR-COOLED UNIT[J]. Thermal power generation, 2008, 37(12): 51-53. DOI： 10.19666/j.rlfd.2008.12.013.

摘要

针对覆盖过滤器投运过程中存在的问题

对直接空冷机组的热态冲洗提出了具体的冲洗方案:(1)不仅对空冷凝汽器及相应管道冲洗

还包括汽轮机侧各疏水管道和排汽装置的冲洗;(2)依据风机与风机、管束与管束之间反复切换的方式冲洗;(3)冲洗排汽装置等。给出了具体的冲洗原则及提高冲洗质量方法。

Abstract

Directing against problems existing in the process of putting pulverous precoat filter into operation

a concrete flushing scheme for hot-state flushing of the direct air-cooled unit has been put forward:(1)not only flushing the air-cooled condenser and corresponding pipelines

but also flushing the drain pipelines and exhaust steam facility at the steam turbine side;(2)flushing has to be carried out according to the mode of repeatedly switching over between fan and fan

as well as between tubebandle and tubebandle;(3)flushing of the exhaust steam facility etc.has to be also carried out.The concrete flushing principle and method for enhancing the quality of flushing have been also given.

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