APPLICATION OF THREE-ELEMENT PHASE DIAGRAM IN STUDY ON SLAGGING BEHAVIOR OF BLENDED COAL

LIU Wen-sheng1; ZHAO Hong2; YANG Jian-guo2; WONG Shan-yong2; ZHOU Yong-gang2; FENG Guo-hua2; LING Bai-lin2; ZHENG Hang21.Zhejiang Provincial Electric Power Testing and Research Institute

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APPLICATION OF THREE-ELEMENT PHASE DIAGRAM IN STUDY ON SLAGGING BEHAVIOR OF BLENDED COAL

Thermal Power Generation Vol. 38, Issue 10, Pages: 5-10(2009)

更新时间：2025-09-28

- APPLICATION OF THREE-ELEMENT PHASE DIAGRAM IN STUDY ON SLAGGING BEHAVIOR OF BLENDED COAL
- 作者机构：
  
  1. 浙江省电力试验研究院
  2. 浙江大学热能工程研究所
- 作者简介：
- 基金信息：
- DOI：
  CLC： TK16
- Published：2009
- 稿件说明：
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LIU Wen-sheng1, ZHAO Hong2, YANG Jian-guo2, et al. APPLICATION OF THREE-ELEMENT PHASE DIAGRAM IN STUDY ON SLAGGING BEHAVIOR OF BLENDED COAL[J]. Thermal Power Generation, 2009, 38(10): 5-10.
DOI：

LIU Wen-sheng1, ZHAO Hong2, YANG Jian-guo2, et al. APPLICATION OF THREE-ELEMENT PHASE DIAGRAM IN STUDY ON SLAGGING BEHAVIOR OF BLENDED COAL[J]. Thermal Power Generation, 2009, 38(10): 5-10. DOI：

摘要

采用SiO2-Al2O3-CaO三元相图分析了榆林煤与平朔煤掺配后混煤结渣倾向的变化

并利用沉降炉试验方法验证了三元相图的分析结果。沉降炉试验结果与三元相图分析显示

混煤的结渣倾向性明显降低

并且随着平朔煤掺配比例的增大

结渣程度逐渐减弱。因此

可利用三元相图优化选择配煤煤种和预测掺配效果。

Abstract

By using three-element phase diagram of SiO2-Al2O3-CaO

the change of slagging tendency of blended coal after blending Yulin Coal and Pingshuo coal has been analysed

and result of analysis by using the three-element phase diagram being verified by adopting test method of the fallout furnace.The test result of fallout furnace and the analysis result of three-element phase diagram show that the slagging tendency of the blended coal has been substantially lowered

and the slagging degree being more weakened along with increasing the proportioning ratio of Pingshuo coal.Therefore

the three-element phase diagram can be used for optimization in selecting the blending coal sorts

and for predication of the blending effectiveness.

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