Allocation analysis of induced draft fans for coal-fired power plants with large capacity

SONG Jingming; GONG Shuhong State Nuclear Electric Power Planning Design & Research Institute

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Allocation analysis of induced draft fans for coal-fired power plants with large capacity

更新时间：2025-09-28

- Allocation analysis of induced draft fans for coal-fired power plants with large capacity
- Thermal Power Generation Vol. 42, Issue 8, Pages: 116-118(2013)
- 作者机构：
  
  国核电力规划设计研究院
- 作者简介：
- 基金信息：
- DOI：
  CLC： TK223.26
- Published：2013
- 稿件说明：
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SONG Jingming, GONG Shuhong State Nuclear Electric Power Planning Design & Research Institute. Allocation analysis of induced draft fans for coal-fired power plants with large capacity[J]. Thermal power generation, 2013, 42(8): 116-118.
DOI：

SONG Jingming, GONG Shuhong State Nuclear Electric Power Planning Design & Research Institute. Allocation analysis of induced draft fans for coal-fired power plants with large capacity[J]. Thermal power generation, 2013, 42(8): 116-118. DOI：

摘要

对某电厂超超临界1 000MW机组锅炉设置3台和2台引风机配置方案进行分析

按照低负荷时引风机高效率运行的原则

提出对于低负荷运行时间较长的机组采用每台机组配置3台引风机的设计方案

这样风机运行模式灵活

运行效率较高

增加的设备初投资10年即可回收。

Abstract

On the basis of discussion on the allocation scheme of induced draft(ID)fans for an ultra supercritical 1 000MW unit

the ID fan types were selected for the configuration schemes with three and two ID fans.According to the principle that the ID fan runs with high efficiency under low load condition

the operation mode of the ID fan under low load condition was determined.Comparison and analysis on the above two allocation schemes were conducted

from technical economy aspect.For units with long-term operation under low load

it suggested that three ID fans should be allocated for each unit.In this design scheme

the ID fans had flexible operation mode and high efficiency

and the initial investment for new added equipments can be recovered within 10years.

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