INFLUENCE OF SEALING WATER AND EXTRACTING VAPOR TEMPERATURE UPON VACUUM IN UNIT

ZHU Xinyi Huaneng Dezhou Power Plant

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INFLUENCE OF SEALING WATER AND EXTRACTING VAPOR TEMPERATURE UPON VACUUM IN UNIT

更新时间：2025-09-28

- INFLUENCE OF SEALING WATER AND EXTRACTING VAPOR TEMPERATURE UPON VACUUM IN UNIT
- Thermal Power Generation Vol. 39, Issue 8, Pages: 93-95(2010)
- 作者机构：
  
  华能德州电厂
- 作者简介：
- 基金信息：
- DOI：
  CLC： TK264.11
- Published：2010
- 稿件说明：
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ZHU Xinyi Huaneng Dezhou Power Plant. INFLUENCE OF SEALING WATER AND EXTRACTING VAPOR TEMPERATURE UPON VACUUM IN UNIT[J]. Thermal power generation, 2010, 39(8): 93-95.
DOI：

ZHU Xinyi Huaneng Dezhou Power Plant. INFLUENCE OF SEALING WATER AND EXTRACTING VAPOR TEMPERATURE UPON VACUUM IN UNIT[J]. Thermal power generation, 2010, 39(8): 93-95. DOI：

摘要

通过测量华能德州电厂4号机组B真空泵在不同密封水温度和不同吸入气体温度下的机组真空值

证明了真空泵密封水温度和真空泵入口抽气温度变化对机组真空的影响

降低真空泵密封水温度和真空泵入口抽气温度

可使凝汽器真空明显提高。因此

采取措施使真空泵密封水温度保持在15℃

吸入气体温度保持在20℃的设计工况

凝汽器真空可较典型运行方式提高1.2 kPa。

Abstract

Through measuring the vacuum value in unit under different sealing water temperature and extracting vaper temeprature of vacuum pump B of unit no.4 in Huaneng Dezhou Power Plant

the influence of variation in sealing water temperature and extracting vapor temperature of the vacuum pump upon the vacuum in unit has been proved.Lowering the temperature of sealing water and extracting vapor of vacuum pump can make the vacuum in condenser to be remarkably enhanced

hence

adopting measures to keep sealing water temperature of the vacuum pump at 15 ℃

and keep the extracting vapor temperature of the vacuum pump at 20 ℃

i.e.the designed operating conditions

the vacuum in condenser can enhance 1.2 kPa compared with typical operation mode.

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