Study and realization of transforming induced draft fans with adjustable stator blades into ones with adjustable rotor blades in a 600 MW unit

ZHENG Jin; CHENG Yan; HU Jun; SUN Dawei; CHANG Changhui; LI Kailun

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Study and realization of transforming induced draft fans with adjustable stator blades into ones with adjustable rotor blades in a 600 MW unit

Thermal Power Generation Vol. 45, Issue 12, Pages: 124-129(2016)

更新时间：2025-09-28

- Study and realization of transforming induced draft fans with adjustable stator blades into ones with adjustable rotor blades in a 600 MW unit
- 作者机构：
  
  1. 西安热工研究院有限公司
  2. 安徽马鞍山万能达发电有限责任公司
  3. 华能铜川发电厂
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM621
- Published：2016
- 稿件说明：
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ZHENG Jin, CHENG Yan, HU Jun, et al. Study and realization of transforming induced draft fans with adjustable stator blades into ones with adjustable rotor blades in a 600 MW unit[J]. Thermal Power Generation, 2016, 45(12): 124-129.
DOI：

ZHENG Jin, CHENG Yan, HU Jun, et al. Study and realization of transforming induced draft fans with adjustable stator blades into ones with adjustable rotor blades in a 600 MW unit[J]. Thermal Power Generation, 2016, 45(12): 124-129. DOI：

摘要

针对华能铜川电厂600MW机组静叶可调式(静调)轴流风机失速问题

进行了引风机热态试验

通过对比试验数据

发现引风机除失速问题外

还存在运行效率低、电耗高等问题。基于此

提出了2种合理的解决方案:静调改造方案和动调改造方案

对比了2种方案的改造效果

并选择动调方案进行了实施。结果表明

针对该电厂运行状况而言

动调改造方案不但解决了风机失速问题

而且更为节能

运行安全性也更高。本研究为降低大型发电机组风机厂用电率、提高其运行安全性提供了一种新思路。

Abstract

The stall reason of induced draft fans with adjustable stator blades in a 600 MW generator unit of Tongchuan Power Plant was investigated.By comparing the test data of fans

it was found that the induced draft fans were inefficient and of high power consumption besides the stall problem.Considering the above conditions of the induced draft fans

two reasonable transformation schemes were proposed to reduce the power consumption rate and improve the security of the induced draft fans

the adjustable stator blade scheme and the adjustable rotor blade scheme.Moreover

the transformation effects of these two schemes were compared and the adjustable rotor blade scheme was chosen to carry out retrofitting on the unit.The results show that

the adjustable rotor blade scheme is much better.The work in this study has very important significance and also provides practicable ways for energy-saving and cost-reducing of power plants.

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