Optimization calculation for sliding pressure of steam turbine with extraction for heating

WEN Le; YANG Xinmin; WANG Weifeng; XUE Zhiheng

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Optimization calculation for sliding pressure of steam turbine with extraction for heating

Thermal Power Generation Issue 9, (2017)

更新时间：2025-09-28

- Optimization calculation for sliding pressure of steam turbine with extraction for heating
- 作者机构：
  
  西安热工研究院有限公司,陕西,西安,710054
- 作者简介：
- 基金信息：
- DOI：
  CLC： TK262
- Published Online：30 September 2017，
  
  Published：2017
- 稿件说明：
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WEN Le, YANG Xinmin, WANG Weifeng, et al. Optimization calculation for sliding pressure of steam turbine with extraction for heating[J]. Thermal Power Generation, 2017, (9).
DOI：

WEN Le, YANG Xinmin, WANG Weifeng, et al. Optimization calculation for sliding pressure of steam turbine with extraction for heating[J]. Thermal Power Generation, 2017, (9). DOI：

摘要

为了获得抽汽供热机组滑压运行的压力，利用回热系统汽水矩阵方程，分析了供热抽汽流量、电负荷、背压变化时机组热力系统变工况特性；基于火电机组在纯凝工况时的定滑压运行性能试验数据、调门流量特性曲线以及背压修正曲线，提出了汽轮机在供热期间运行的滑压压力优化计算方法；以某350 MW机组为例，采用本文计算方法，对该机组纯凝工况的定滑压曲线及试验数据进行变工况计算，获得了不同电负荷、背压、供热抽汽流量下该机组的滑压压力值。结果表明：本文优化计算方法简捷、有效，具备较好的实际工程应用及推广价值。

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