STUDY ON PYROLYSIS CAHARACTER AND PYROLYSIS REACTION DYNAMICS OF COAL

ZHANG Cui-zhen; YI Xiao-qing; LIU Liang

doi:10.19666/j.rlfd.2006.04.006

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STUDY ON PYROLYSIS CAHARACTER AND PYROLYSIS REACTION DYNAMICS OF COAL

更新时间：2025-09-28

- STUDY ON PYROLYSIS CAHARACTER AND PYROLYSIS REACTION DYNAMICS OF COAL
- Thermal Power Generation Issue 4, Pages: 17-20(2006)
- 作者机构：
  
  长沙理工大学
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.2006.04.006
  CLC： TQ530.2
- Published：2006
- 稿件说明：
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ZHANG Cui-zhen, YI Xiao-qing, LIU Liang. STUDY ON PYROLYSIS CAHARACTER AND PYROLYSIS REACTION DYNAMICS OF COAL[J]. Thermal power generation, 2006, (4): 17-20.
DOI：

ZHANG Cui-zhen, YI Xiao-qing, LIU Liang. STUDY ON PYROLYSIS CAHARACTER AND PYROLYSIS REACTION DYNAMICS OF COAL[J]. Thermal power generation, 2006, (4): 17-20. DOI： 10.19666/j.rlfd.2006.04.006.

摘要

采用热分析法对煤热分解特性进行了热重分析研究

探讨了粒径和升温速率对煤热解失重过程的影响。研究指出

当粒径小于0.25mm时

磨煤过程中煤岩组分富集对热解的影响会大于传热传质对热解的影响。根据试验数据建立了热解动力学模型

分别用积分法和微分法对热解动力学参数求解

得到煤的热解反应级数为3

热解反应动力学参数的计算结果能真实地反映煤的热解情况。

Abstract

The thermogravimetric analysis study on pyrolysis character of coal has been carried out by using the thermal analysis method

the influence of particle size and temperature rise rate upon the weight loss process in coal pyrolysis being approached

pointing out the influence of coal petrologic components’ enrichment during coal pulverizing process upon pyrolysis of coal is larger than that of heat transfer and mass transfer if the particle size to be smaller than 0.25 mm. Based on the test data

a model of pyrolysis dynamics model has been established

the integration and differentiation methods are respectively used to find the solutions of pyrolysis dynamics parameters. The stage number of coal pyrolysis reaction obtained to be 3

the calculated result of pyrolysis reaction dynamics parameters can really reflect the pyrolysis state of coal.

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