TEST ON DISTINGUISHING CONTAMINATION PROPERTIES OF COAL ASH

YAO Wei; HE Hong-guang; LIU Jia-li; YANG Zhong-can; WANG Gui-fangXi'an Thermal Power Research Institute Co Ltd

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TEST ON DISTINGUISHING CONTAMINATION PROPERTIES OF COAL ASH

更新时间：2025-09-28

- TEST ON DISTINGUISHING CONTAMINATION PROPERTIES OF COAL ASH
- Thermal Power Generation Vol. 39, Issue 3, Pages: 65-70(2010)
- 作者机构：
  
  西安热工研究院有限公司
- 作者简介：
- 基金信息：
- DOI：
  CLC： TK224.9
- Published：2010
- 稿件说明：
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YAO Wei, HE Hong-guang, LIU Jia-li, et al. TEST ON DISTINGUISHING CONTAMINATION PROPERTIES OF COAL ASH[J]. Thermal power generation, 2010, 39(3): 65-70.
DOI：

YAO Wei, HE Hong-guang, LIU Jia-li, et al. TEST ON DISTINGUISHING CONTAMINATION PROPERTIES OF COAL ASH[J]. Thermal power generation, 2010, 39(3): 65-70. DOI：

摘要

介绍了国内外几种对煤的沾污特性的判别方法。为了寻求更加符合我国电站锅炉受热面沾污实际情况的煤的沾污特性判别指标

通过200 kW分区域煤灰沾污试验台

较好地模拟了不同受热面的沾污情况

以及沾污在整个燃烧过程中的变化。结合试验结果

提出了反映煤灰在锅炉不同区域受热面沾污情况的特征参数

确定采用沾污系数FI作为煤灰沾污倾向的判别依据。该研究结果可为锅炉受热面设计布置等提供参考和依据。

Abstract

Several methods for distinguishing contamination properties of coal at home and abroad have been presented.In order to seek for distinguishing index concerning contamination properties of coal more conformable to real situation of contamination on heating surface of boilers in China

through 200 kW area-dividing test stand concerning contamination of coal ash

the contamination situation on different heating surfaces and the contamination variation in the whole process of combustion have been perfectly simulated.Combined with the results of test

the characteristic parameters reflecting contamination situation in different areas of heating surface have been put forward

determining adoption of the contamination coeficient F1 as basis for distinguishing contamination tendency of coal ash.The result of study can provide reference and basis for design and layout of heating surfaces in boilers.

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