Co-combustion characteristics of Zhundong coal mixed with coke powder

WEI Bo; WEN Biao; TAN Houzhang; WANG Zhao; ZHAO Yatao; LI Guanglin

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Co-combustion characteristics of Zhundong coal mixed with coke powder

Thermal Power Generation Issue 5, (2017)

更新时间：2025-09-28

- Co-combustion characteristics of Zhundong coal mixed with coke powder
- 作者机构：
  
  1. 新疆大学电气工程学院,新疆,乌鲁木齐,830000
  2. 新疆宜化化工有限公司,新疆,昌吉,831700
  3. 西安交通大学热流科学与工程教育部重点实验室,陕西,西安,710049
- 作者简介：
- 基金信息：
- DOI：
  CLC： TK224
- Published Online：27 May 2017，
  
  Published：2017
- 稿件说明：
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WEI Bo, WEN Biao, TAN Houzhang, et al. Co-combustion characteristics of Zhundong coal mixed with coke powder[J]. Thermal Power Generation, 2017, (5).
DOI：

WEI Bo, WEN Biao, TAN Houzhang, et al. Co-combustion characteristics of Zhundong coal mixed with coke powder[J]. Thermal Power Generation, 2017, (5). DOI：

摘要

目前，新疆准东地区煤化工产业发展较快但产业链并不完善，导致煤化工过程剩余的大量焦炭不能得到有效的综合利用。本文采用热重分析研究了粒径对准东煤、焦炭的燃烧特性及焦炭掺入准东煤后混合煤样的燃烧特性影响。结果表明：混合煤样着火特性与准东煤基本一致，但其燃尽点随着掺混比例增加向后推移；混合煤样的着火温度比各粒径下的焦炭颗粒提前近100 ℃左右；当焦炭颗粒粒径大于150 μm时，混合煤样的燃烧特性随着掺烧比例增加线性变差。建议焦炭颗粒与准东煤掺烧时，焦炭粒径应尽可能小，且在实际应用中应在下区燃烧器中掺配，以降低火焰中心的高度，增加焦炭的燃烧时间。

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