ANALYSIS ABOUT THE INFLUENCE OF WORSENING COAL QUALITY UPON DENSE PHASE PNEUMATIC ASH CONVEYING SYSTEMS

LI Min1; WANG He-cen1; REN Li-ming1; ZHANG Bu-ting1; CHEN Jian-xun2; WANG Yu-pan2; LIU Zhan-qing3; WANG Chang-dong31.Henan Electric Power Testing and Research Institute

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ANALYSIS ABOUT THE INFLUENCE OF WORSENING COAL QUALITY UPON DENSE PHASE PNEUMATIC ASH CONVEYING SYSTEMS

Thermal Power Generation Vol. 39, Issue 1, Pages: 36-38(2010)

更新时间：2025-09-28

- ANALYSIS ABOUT THE INFLUENCE OF WORSENING COAL QUALITY UPON DENSE PHASE PNEUMATIC ASH CONVEYING SYSTEMS
- 作者机构：
  
  1. 河南电力试验研究院
  2. 平顶山平东热电有限责任公司
  3. 鹤壁同力发电有限责任公司
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM621.73
- Published：2010
- 稿件说明：
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LI Min1, WANG He-cen1, REN Li-ming1, et al. ANALYSIS ABOUT THE INFLUENCE OF WORSENING COAL QUALITY UPON DENSE PHASE PNEUMATIC ASH CONVEYING SYSTEMS[J]. Thermal Power Generation, 2010, 39(1): 36-38.
DOI：

LI Min1, WANG He-cen1, REN Li-ming1, et al. ANALYSIS ABOUT THE INFLUENCE OF WORSENING COAL QUALITY UPON DENSE PHASE PNEUMATIC ASH CONVEYING SYSTEMS[J]. Thermal Power Generation, 2010, 39(1): 36-38. DOI：

摘要

某300 MW机组由于煤质变差导致浓相气力除灰系统无法正常运行

使除灰系统出力增加

除灰系统输灰的稳定性降低

除灰系统输灰用压缩空气的裕量减小

灰库背压提高

除灰系统的磨损加剧。对此

进行了分析并提出了相应的解决措施。

Abstract

Owing to worsening coal quality

the dense phase pneumatic ash conveying system of a 300 MW unit can't be in normal operation

making the output capacity of said ash conveying system to be increased

the transporting stability of said system to be decreased

the margin of compressed air used for transportation in the said system to be reduced

the back-pressure in ash bunker to be enhanced

and the wornout of the said system to be intensified.The above-mentioned problems have been analysed

and corresponding solving measures being put forward.

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