Study on semi-empirical kinetic model of serial compound gasification process

XIANG Xianan; ZHOU Xuehua; PENG Deyong; SUN Chi; WANG Bo; ZHANG Xinyu

doi:10.19666/j.rlfd.202205086

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Study on semi-empirical kinetic model of serial compound gasification process

更新时间：2025-09-28

- Study on semi-empirical kinetic model of serial compound gasification process
- Thermal Power Generation Vol. 51, Issue 10, Pages: 184-193(2022)
- 作者机构：
  
  湖南城市学院市政与测绘工程学院
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.202205086
  CLC： TQ546;X705
- Published：2022
- 稿件说明：
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XIANG Xianan, ZHOU Xuehua, PENG Deyong, et al. Study on semi-empirical kinetic model of serial compound gasification process[J]. Thermal power generation, 2022, 51(10): 184-193.
DOI：

XIANG Xianan, ZHOU Xuehua, PENG Deyong, et al. Study on semi-empirical kinetic model of serial compound gasification process[J]. Thermal power generation, 2022, 51(10): 184-193. DOI： 10.19666/j.rlfd.202205086.

摘要

研究了一种煤与固体废弃物复合串行气化工艺。以木屑为例，通过利用实测的气化炉分区温度结合流体动力学和气化反应动力学，建立了复合串行气化工艺的半经验动力学模型，并研究了气化温度、水蒸气与固体废弃物质量比（S/M）和固体废弃物与煤质量比（M/C）等关键参数对气化规律的影响。结果表明：该气化工艺采用水蒸气气化，无需外部热源，可生产中热值合成气；提高气化温度对气化结果有利，最佳气化温度为1 010℃，最佳S/M为1.4；气化工艺中应尽可能提高M/C值，本模型最佳M/C值为4.0。研究结果可为复合串行气化工艺的运行和优化提供参考和理论依据。

Abstract

A coal and municipal solid waste(MSW) serial compound gasification process is investigated. Taking sawdust as an example

a semi-empirical dynamic model of the serial compound gasification process is established and the effects of key parameters such as gasification temperature

mass ratio of steam to MSW(S/M) and mass ratio of MSW to coal(M/C) on the gasification law are studied

by using the measured multi-zone temperature of gasifier connected with hydrodynamics and gasification reaction dynamics. The result shows that

the gasification process uses steam gasification without external heat source

which can produce medium-calorific value syngas.Enhancing the gasification temperature is favorable to the gasification results

the optimal gasification temperature is 1 010 ℃ and the most suitable S/M is 1.4. The M/C value should be increased as much as possible in this gasification process

and the optimal M/C value is 4.0 in this model. The research can offer reference and theoretical basis for operation and optimization of the serial compound gasification process.

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