Economic analysis on control mode of high-pressure valve in CC50 steam turbines with double extraction

LI Honghua The Power Plant of Changling Branch Company in China Petrochemical Corporation

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Economic analysis on control mode of high-pressure valve in CC50 steam turbines with double extraction

Thermal Power Generation Vol. 42, Issue 4, Pages: 6-8(2013)

更新时间：2025-09-28

- Economic analysis on control mode of high-pressure valve in CC50 steam turbines with double extraction
- 作者机构：
  
  中石油长岭分公司动力厂
- 作者简介：
- 基金信息：
- DOI：
  CLC： TK263
- Published：2013
- 稿件说明：
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LI Honghua The Power Plant of Changling Branch Company in China Petrochemical Corporation. Economic analysis on control mode of high-pressure valve in CC50 steam turbines with double extraction[J]. Thermal Power Generation, 2013, 42(4): 6-8.
DOI：

LI Honghua The Power Plant of Changling Branch Company in China Petrochemical Corporation. Economic analysis on control mode of high-pressure valve in CC50 steam turbines with double extraction[J]. Thermal Power Generation, 2013, 42(4): 6-8. DOI：

摘要

计算分析了CC50双抽汽轮机调节阀采用单阀与顺序阀控制方式对汽轮机各段抽汽参数、内效率及发电量的影响。分析表明

机组在顺序阀控制方式下较单阀控制方式下的抽汽温度低

尤其第1至第3段抽汽较明显。第1段内效率升高7.56%

整机内效率升高0.46%

机组发电量增加0.74MW。

Abstract

The influence of single valve control and sequence valve control for high-pressure valve of CC50 double extraction steam turbines on such indices as the extraction parameters of each section

inner efficiency and electric energy production were studied by calculation.The results showed that

compared with the single valve control

the unit under sequence valve control had lower extraction temperature

obviously at the first to third stage extraction.The inner efficiency of the first extraction stage and the whole turbine was increased by 7.56% and 0.46%

respectively.The unit electric energy production had a growth of 0.74 MW.

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