INFLUENCE OF LOCAL VARIETY IN THERMODYNAMIC SYSTEM OF THERMAL POWER PLANT UPON THERMAL EFFICIENCY OF THE WHOLE PLANT

LI Yong; GAO Han College of Energy and Power Engineering

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INFLUENCE OF LOCAL VARIETY IN THERMODYNAMIC SYSTEM OF THERMAL POWER PLANT UPON THERMAL EFFICIENCY OF THE WHOLE PLANT

更新时间：2025-09-28

- INFLUENCE OF LOCAL VARIETY IN THERMODYNAMIC SYSTEM OF THERMAL POWER PLANT UPON THERMAL EFFICIENCY OF THE WHOLE PLANT
- Thermal Power Generation Vol. 40, Issue 11, Pages: 1-4(2011)
- 作者机构：
  
  东北电力大学能源与动力工程学院
- 作者简介：
- 基金信息：
- DOI：
  CLC： TK284.1
- Published：2011
- 稿件说明：
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LI Yong, GAO Han College of Energy and Power Engineering. INFLUENCE OF LOCAL VARIETY IN THERMODYNAMIC SYSTEM OF THERMAL POWER PLANT UPON THERMAL EFFICIENCY OF THE WHOLE PLANT[J]. Thermal power generation, 2011, 40(11): 1-4.
DOI：

LI Yong, GAO Han College of Energy and Power Engineering. INFLUENCE OF LOCAL VARIETY IN THERMODYNAMIC SYSTEM OF THERMAL POWER PLANT UPON THERMAL EFFICIENCY OF THE WHOLE PLANT[J]. Thermal power generation, 2011, 40(11): 1-4. DOI：

摘要

以某台600MW机组为例

采用热平衡方法分析机组热力系统局部变化

如排污及其利用、轴封漏汽及其利用、主蒸汽或再热蒸汽管道泄漏及散热、加热器端差、抽汽压损等对全厂热经济性的影响。根据热力系统不同因素变化对管道效率及汽轮机循环热效率(简称循环热效率)影响的特点

将不同因素引起的热损失划分为3类

并给出第1类热损失影响管道效率和循环热效率

第2类热损失只影响管道效率

第3类热损失只影响循环热效率的结果。

Abstract

By using the heat balance calculation method

and taking one 600 MW unit as example

the local variety in thermodynamic system of said unit has been analysed.Based on features of infuences from different factors in the thermodynamic system upon two kinds of efficiency

namely the pipeline efficiency and the cyclic thermal efficiency

the heat losses resulted from different factors are divided into three categories

the results are given as follows:(1)the first category of heat loss affects the pipeline efficiency and the cyclic thermal efficiency;(2)the second category of heat loss affects the pipeline efficiency;(3)the third category of heat loss affects the cyclic thermal efficiency only.

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