CAUSE ANALYSIS ABOUT SURPASSING STANDARD SET FOR DISSOLVED OXYGEN IN THE CONDENSATE OF 600 MW DIRECT AIR-COOLED UNIT AND DISPOSAL THEREOF

YUAN Jing-tao; LI Xiao-jun Datang Tuoketuo Power Generation Co Ltd

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CAUSE ANALYSIS ABOUT SURPASSING STANDARD SET FOR DISSOLVED OXYGEN IN THE CONDENSATE OF 600 MW DIRECT AIR-COOLED UNIT AND DISPOSAL THEREOF

更新时间：2025-09-28

- CAUSE ANALYSIS ABOUT SURPASSING STANDARD SET FOR DISSOLVED OXYGEN IN THE CONDENSATE OF 600 MW DIRECT AIR-COOLED UNIT AND DISPOSAL THEREOF
- Thermal Power Generation Vol. 38, Issue 4, Pages: 68-72(2009)
- 作者机构：
  
  大唐托克托发电有限责任公司
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM621
- Published：2009
- 稿件说明：
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YUAN Jing-tao, LI Xiao-jun Datang Tuoketuo Power Generation Co Ltd. CAUSE ANALYSIS ABOUT SURPASSING STANDARD SET FOR DISSOLVED OXYGEN IN THE CONDENSATE OF 600 MW DIRECT AIR-COOLED UNIT AND DISPOSAL THEREOF[J]. Thermal power generation, 2009, 38(4): 68-72.
DOI：

YUAN Jing-tao, LI Xiao-jun Datang Tuoketuo Power Generation Co Ltd. CAUSE ANALYSIS ABOUT SURPASSING STANDARD SET FOR DISSOLVED OXYGEN IN THE CONDENSATE OF 600 MW DIRECT AIR-COOLED UNIT AND DISPOSAL THEREOF[J]. Thermal power generation, 2009, 38(4): 68-72. DOI：

摘要

简述了凝结水溶解氧超标的危害。分析了大唐托克托发电有限责任公司(托电)600MW直接空冷机组凝结水溶解氧的超标情况

认为引起溶解氧超标的主要原因为:空气漏入真空系统、机组真空变化快、机组负荷高、凝结水过冷度大等。结合托电实际情况

对空冷凝结水回水除氧设备和系统进行了改造

解决了凝结水溶解氧超标的问题。

Abstract

The harmfulness of dissolved oxygen in the condensate has been briefly expounded.The situation of surpassing standard set for dissolved oxygen in the condensate of 600 MW direct air-cooled unit in Tuoketuo Power Generation Co Ltd has been analysed.It is believed from analysis that the main causes resulting in surpassing standard set for dissolved oxygen are as follows:air leaked into the vacuum system

variation of vacuum in the unit

heavy load of the unit

and high degree of condensate supercooling etc..Combined with actual situation in Tuoketuo Power Generation Co Ltd

the deaerator equipment and system of return water from air-cooled condensate have been retrofitted

solving the problem of surpassing standard set for dissolved oxygen in the condensate.

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