煤泥热解产物析出特性热质联用实验研究

蒋松; 龚德鸿; 徐弘阳; 王廷燚; 程含含

doi:10.19666/j.rlfd.202109180

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煤泥热解产物析出特性热质联用实验研究

煤电机组燃料掺烧及超净排放 | 更新时间：2025-09-28

- 煤泥热解产物析出特性热质联用实验研究
- Experimental study on release characteristics of coal slime pyrolysis products by using thermogravimetry and mass spectrometry
- 热力发电 2022年51卷第1期页码：159-166
- 作者机构：
  
  贵州大学电气工程学院
- 作者简介：
- 基金信息：
  
  贵州省自然科学基金项目(QKHJC[2019]1059)~~
- DOI：10.19666/j.rlfd.202109180
  中图分类号： O657.63;TQ530.2
- 纸质出版日期：2022
- 稿件说明：
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蒋松, 龚德鸿, 徐弘阳, 等. 煤泥热解产物析出特性热质联用实验研究[J]. 热力发电, 2022,51(1):159-166.

JIANG Song, GONG Dehong, XU Hongyang, et al. Experimental study on release characteristics of coal slime pyrolysis products by using thermogravimetry and mass spectrometry[J]. Thermal power generation, 2022, 51(1): 159-166.
蒋松, 龚德鸿, 徐弘阳, 等. 煤泥热解产物析出特性热质联用实验研究[J]. 热力发电, 2022,51(1):159-166. DOI： 10.19666/j.rlfd.202109180.

JIANG Song, GONG Dehong, XU Hongyang, et al. Experimental study on release characteristics of coal slime pyrolysis products by using thermogravimetry and mass spectrometry[J]. Thermal power generation, 2022, 51(1): 159-166. DOI： 10.19666/j.rlfd.202109180.

摘要

利用热重-质谱联用技术对煤泥热解特性进行研究

分析含水率和升温速率对煤泥热解产物析出现象的影响。结果表明:主要热解产物依次为CH_4、HCN、CO_2、C_3H~+_7、C_2H_6、C_3H~+_5

其析出温度均分布在350～650℃和650～900℃;含水率对热解产物的析出特性影响较小

CH_4、HCN、C_2H_6与C_3H~+_5析出强度峰值在500℃左右

CO_2及C_3H~+_7的析出强度峰值分别在500、700℃左右;升温速率对热解产物的析出特性影响较明显;随着升温速率提高

产物析出峰值均向高温区段移动

4种热解产物的析出强度均呈增大趋势。

Abstract

Characteristics of coal slime pyrolysis were investigated by using thermogravimetry and mass spectrometry (TG-MS).The effects of moisture content and temperature rise rate on the products of coal slime pyrolysis were analyzed.The results showed that

the top six pyrolysis products were CH~+4

HCN

CO_2

C_3H_7

C_2H_6 and C_3H~+_5.The release temperatures of these products were in the ranges of 350～650℃and 650～900℃.The moisture content had little effect on release characteristics of the pyrolysis products.The release intensity peak of CH_4

HCN

and C_2H_6 was at about 500℃

and that of CO_2 and C_3H~+_7 was at about 500℃and 700℃.The temperature rise rate had an obvious effect on release characteristics of the pyrolysis products.As the temperature rise rate was increased

the release intensity peak of these products all shifted toward high temperautre region

the release intensity of the four pyrolysis products all had an increase tend.

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