水环式真空泵对凝汽器经济性的影响

俞健; 杨建明

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水环式真空泵对凝汽器经济性的影响

热能基础研究 | 更新时间：2025-09-28

- 水环式真空泵对凝汽器经济性的影响
- MATHEMATICAL MODEL OF WATER-RING VACUUM PUMP AND ITS INFLUENCE UPON ECONOMIC EFFICIENCY OF THE CONDENSER
- 热力发电 2009年38卷第10期页码：29-32
- 作者机构：
  
  东南大学能源与环境学院
- 作者简介：
- 基金信息：
- DOI：
  中图分类号： TK264.11
- 纸质出版：2009
- 稿件说明：
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俞健, 杨建明. 水环式真空泵对凝汽器经济性的影响[J]. 热力发电, 2009,38(10):29-32.

YU Jian, YANG Jian-ming College of Energy and Environment. MATHEMATICAL MODEL OF WATER-RING VACUUM PUMP AND ITS INFLUENCE UPON ECONOMIC EFFICIENCY OF THE CONDENSER[J]. Thermal power generation, 2009, 38(10): 29-32.
俞健, 杨建明. 水环式真空泵对凝汽器经济性的影响[J]. 热力发电, 2009,38(10):29-32. DOI：

YU Jian, YANG Jian-ming College of Energy and Environment. MATHEMATICAL MODEL OF WATER-RING VACUUM PUMP AND ITS INFLUENCE UPON ECONOMIC EFFICIENCY OF THE CONDENSER[J]. Thermal power generation, 2009, 38(10): 29-32. DOI：

摘要

分析了水环式真空泵的工作机理、运行特性、工作水温度对抽气能力的影响

研究表明水环式真空泵的吸气质量流量与吸气压力成正比

为此建立了更符合实际要求的水环式真空泵数学模型。分析了水环式真空泵的运行特性及汽蚀特性

并给出了汽蚀的判断方法以及汽蚀余量的表达式。建立了大气-水环式真空泵和凝汽器系统总的数学模型

以研究分析提高凝汽器经济运行水平的途径。

Abstract

The working mechanism

performance in operation

and the influence of working water temperature upon air-extracting capability of the water ring vacuum pump have been analysed.Results of study show that the suction mass flow of said vacuum pump is proportional to its suction pressure.For this

a mathematical model of the water ring vacuum pump being more in line with the practical requirements has been established

the operation performance and cavitation behavior of the said vacuum pump being analysed

and the cavitation judging method and the expression formula of cavitation surplus being given.Establishing a whole mathematical model of the atmospheric-water ring vacuum pump and the condenser system

the more excellent ways for enhancing economic operation level of the condenser can be fully analysed.

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