THERMOGRAVIMETRIC STUDY ON CO-COMBUSTION OF INFERIOR LIGNITE AND SLUDGE

SUN Zhe; HE Ping; LI Juanqin Faculty of Metallurgical and Energy Engineering

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THERMOGRAVIMETRIC STUDY ON CO-COMBUSTION OF INFERIOR LIGNITE AND SLUDGE

Thermal Power Generation Vol. 41, Issue 9, Pages: 35-38(2012)

更新时间：2025-09-28

- THERMOGRAVIMETRIC STUDY ON CO-COMBUSTION OF INFERIOR LIGNITE AND SLUDGE
- 作者机构：
  
  昆明理工大学冶金与能源工程学院
- 作者简介：
- 基金信息：
- DOI：
  CLC： TK16
- Published：2012
- 稿件说明：
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SUN Zhe, HE Ping, LI Juanqin Faculty of Metallurgical and Energy Engineering. THERMOGRAVIMETRIC STUDY ON CO-COMBUSTION OF INFERIOR LIGNITE AND SLUDGE[J]. Thermal Power Generation, 2012, 41(9): 35-38.
DOI：

SUN Zhe, HE Ping, LI Juanqin Faculty of Metallurgical and Energy Engineering. THERMOGRAVIMETRIC STUDY ON CO-COMBUSTION OF INFERIOR LIGNITE AND SLUDGE[J]. Thermal Power Generation, 2012, 41(9): 35-38. DOI：

摘要

利用热重分析法对滇池污泥、劣质褐煤及其按不同比例混合的混合燃料进行了燃烧试验。结果表明

随着污泥掺入比例的增加

褐煤与污泥混合燃料着火温度逐渐降低

但可燃性指数和综合燃烧特性指数降低;污泥的活化能小于褐煤的活化能

并且随着污泥比例的增加

混合燃料的活化能逐渐降低。从混合燃料燃烧的整个过程看

其着火和燃尽特性在某些方面优于褐煤和污泥单独燃烧。

Abstract

Combustion of Dianchi sludge

low grade lignite and their blends of different proportions were conducted

by thermogravimetric analyzer.The basic characteristics of fuels were discussed based on several combustion parameters

such as ignition temperature

burnout temperature and maximal combustion rate.Moreover

the activation energy of above reactions are obtained by kinetic calculation.Results show that

as the sludge fraction increasing

the ignition temperature of the mixture gradually decreases

but the flammability index and combustion characteristic index drops.The activation energy of sludge is lower than that of coal

so that of the blends decreases as the sludge mixing ratio increasing.For the whole combustion process

the ignition and burnout characteristic of the mixture is better than that of the single fuel

in some aspects.

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