|本期目录/Table of Contents|

[1]马秋菊,万孟赛,邵俊程,等.多元可燃气体爆炸极限理论预测模型研究*[J].中国安全生产科学技术,2021,17(4):54-59.[doi:10.11731/j.issn.1673-193x.2021.04.009]
 MA Qiuju,WAN Mengsai,et al.Study on theoretical prediction model for explosion limit of multi-component combustible gases[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2021,17(4):54-59.[doi:10.11731/j.issn.1673-193x.2021.04.009]
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多元可燃气体爆炸极限理论预测模型研究*
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《中国安全生产科学技术》[ISSN:1673-193X/CN:11-5335/TB]

卷:
17
期数:
2021年4期
页码:
54-59
栏目:
职业安全卫生管理与技术
出版日期:
2021-04-30

文章信息/Info

Title:
Study on theoretical prediction model for explosion limit of multi-component combustible gases
文章编号:
1673-193X(2021)-04-0054-06
作者:
马秋菊万孟赛邵俊程钟鸣宇郭宇浩
(1.中国矿业大学(北京) 应急管理与安全工程学院,北京 100083;
2.中国矿业大学(北京) 煤炭资源与安全开采国家重点实验室,北京 100083)
Author(s):
MA Qiuju1 WAN Mengsai SHAO Juncheng ZHONG Mingyu GUO Yuhao
(1.School of Emergency Management and Safety Engineering,China University of Mining & Technology (Beijing),Beijing 100083,China;
2.State Key Laboratory of Coal Resources and Safe Mining,China University of Mining & Technology (Beijing),Beijing 100083,China)
关键词:
爆炸极限多元可燃气体绝热火焰温度预测模型
Keywords:
explosion limit multi-component combustible gas adiabatic flame temperature prediction model
分类号:
X932
DOI:
10.11731/j.issn.1673-193x.2021.04.009
文献标志码:
A
摘要:
为准确掌握和预测多元可燃气体的爆炸极限,开展2种多元可燃气体爆炸极限的理论预测模型研究。第1种模型针对“多种可燃气体+多种惰性气体”在空气中或氧气中混合,基于求解可燃气体绝热火焰温度的总比热特性方法以及化学平衡反应中的贫燃料(富氧)反应,提出该多元可燃气体的爆炸下限预测模型;第2种模型针对“可燃气体+惰性气体+氧气”混合,基于热平衡方程及混合气体的各组分浓度、淬灭电势及燃烧潜热,提出该多元可燃气体的爆炸极限预测模型。结果表明:在预测多元可燃气体的爆炸极限时,第1种模型具有较广泛的应用性,且表现出较高的准确度;第2种模型具有使用简单的特点,且扩展了LCR(勒夏特列原理)的应用范围。
Abstract:
In order to grasp and predict the explosion limit of multi-component combustible gases accurately,two kinds of theoretical prediction models for the explosion limit of multi-component combustible gases were studied.In the first model,aiming at “multiple combustible gases and multiple inert gases” mixed in air or oxygen,a prediction model for the explosion lower limit of multi-component combustible gases was proposed based on the method of solving the total specific heat characteristics of adiabatic flame temperature of the combustible gas and the fuel-poor (oxygenrich) reaction in the chemical equilibrium reaction.In the second model,aiming at the “combustible gas,inert gas and oxygen” mixture,a prediction model for the explosion limit of multi-component combustible gases was proposed based on the heat balance equation and the concentration,quenching potential and combustion latent heat of each component in the gas mixture.The results showed that when predicting the explosion limit of multi-component combustible gases,the first model had wider applicability and presented higher accuracy,and the second model was simple to use and extended the application range of LCR (Le Chatelier’s principle).

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备注/Memo

备注/Memo:
收稿日期: 2020-12-14
* 基金项目: 煤炭资源与安全开采国家重点实验室开放基金项目(SKLCRSM19KFA11);中央高校基本科研业务费专项资金项目(2021YQAQ05);消防应急救援装备应急管理部重点实验室开放课题项目(2020XFZB15);上海市自然科学基金面上项目(19ZR1411500)
作者简介: 马秋菊,博士,副教授,主要研究方向为爆燃动力学、危化品燃爆机理与事故预防。
通信作者: 万孟赛,硕士研究生,主要研究方向为爆炸安全与防护。
更新日期/Last Update: 2021-05-09