Operation of flue gas fan during mixed burning of bituminous coal in a lean coal-fired boiler:problems and solutions

ZHANG Xinghao; FAN Qingwei; ZHANG Lixin

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Operation of flue gas fan during mixed burning of bituminous coal in a lean coal-fired boiler:problems and solutions

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- Operation of flue gas fan during mixed burning of bituminous coal in a lean coal-fired boiler:problems and solutions
- Thermal Power Generation Vol. 43, Issue 8, Pages: 153-157(2014)
- 作者机构：
  
  1. 华能南京电厂
  2. 西安热工研究院有限公司
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM621.2
- Published：2014
- 稿件说明：
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ZHANG Xinghao, FAN Qingwei, ZHANG Lixin. Operation of flue gas fan during mixed burning of bituminous coal in a lean coal-fired boiler:problems and solutions[J]. Thermal power generation, 2014, 43(8): 153-157.
DOI：

ZHANG Xinghao, FAN Qingwei, ZHANG Lixin. Operation of flue gas fan during mixed burning of bituminous coal in a lean coal-fired boiler:problems and solutions[J]. Thermal power generation, 2014, 43(8): 153-157. DOI：

摘要

介绍了华能南京电厂贫煤锅炉的抽炉烟干燥技术

分析了该锅炉掺烧烟煤后热炉烟风机磨损、积灰、振动、出力不足等问题。对此

通过对热炉烟风机实施选型优化、叶片防磨治理、合理安排检修等措施后

大大延长了热炉烟风机使用周期和寿命

减少了检修时间和检修费用

保证了贫煤锅炉掺烧烟煤制粉系统的安全性和可靠性。

Abstract

The flue gas drying technology implemented in lean coal-fired boiler of Nanjing Power Plant was introduced.Problems such as hot flue gas fan abrasion

deposited ash vibrancy

and insufficient output occurred on this boiler were investigated.Moreover

solutions for the above problems were put forward.Through fan type selection optimization

fan blade abrasion resistant treatment

reasonable arrangement of maintenance and other measures

the problems of fan blade abrasion and deposited ash vibrancy were well solved

and the service life of flue gas fan was significantly prolonged

the time and cost of maintenance were reduced

and the safety and reliability of bituminous coal pulverizing system in lean coal-fired boiler were ensured.

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