Co-combustion characteristics of bituminous coal and lignite in O2/CO2 atmosphere

LIU Yanfeng; CHEN Qizhao; YIN Libao

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Co-combustion characteristics of bituminous coal and lignite in O2/CO2 atmosphere

Thermal Power Generation Issue 2, (2017)

更新时间：2025-09-28

- Co-combustion characteristics of bituminous coal and lignite in O2/CO2 atmosphere
- 作者机构：
  
  1. 华北电力大学能源动力与机械工程学院,河北,保定,071003
  2. 广东电网有限责任公司电力科学研究院,广东,广州,510080
- 作者简介：
- 基金信息：
- DOI：
  CLC： TK16
- Published Online：01 March 2017，
  
  Published：2017
- 稿件说明：
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LIU Yanfeng, CHEN Qizhao, YIN Libao. Co-combustion characteristics of bituminous coal and lignite in O2/CO2 atmosphere[J]. Thermal Power Generation, 2017, (2).
DOI：

LIU Yanfeng, CHEN Qizhao, YIN Libao. Co-combustion characteristics of bituminous coal and lignite in O2/CO2 atmosphere[J]. Thermal Power Generation, 2017, (2). DOI：

摘要

针对电厂混煤掺烧实际情况

在热重分析仪上对某电厂实际用煤分别进行了褐煤和烟煤单烧及不同氧量、掺混比、升温速率下的混烧实验

并根据实验数据对混煤燃烧特性进行了分析。结果表明:不同掺烧比例下混煤燃烧的变化规律相同

为烟煤和褐煤燃烧的叠加

随褐煤掺烧比例增大

着火温度和燃尽温度均降低

综合燃烧指数变大；混煤在20%O2/80％N2、20%O2/80%CO2气氛下燃烧特性曲线相差不大

20%O2/80%CO2气氛下着火温度及燃尽温度比20%O2/80％N2气氛下高10 ℃左右

在30%O2/70%CO2气氛下

混煤着火温度比20%O2/80％N2气氛下高3 ℃；随着升温速率由10 ℃/min增至40 ℃/min

混煤的着火温度、燃尽温度和综合燃烧指数均增大。

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