惰气/赤泥两相抑爆剂抑制瓦斯爆炸试验研究

doi:10.16265/j.cnki.issn 1003-3033.2020.10.016

中国安全科学学报 ›› 2020, Vol. 30 ›› Issue (10): 112-118.doi: 10.16265/j.cnki.issn 1003-3033.2020.10.016

惰气/赤泥两相抑爆剂抑制瓦斯爆炸试验研究

孙超伦^1,2 讲师, 张一民^1,2, 裴蓓^1,2 副教授, 王燕^1,2 教授, 孟祥卿^1,2, 纪文涛^1,2 讲师

1 河南理工大学安全科学与工程学院,河南焦作 454000;
2 河南省瓦斯地质与瓦斯治理重点实验室-省部共建国家重点实验室培育基地,河南焦作 454000

收稿日期:2020-07-18 修回日期:2020-09-11 出版日期:2020-10-28 发布日期:2021-07-15
作者简介:孙超伦 (1981—),男,河南周口人,硕士,讲师,主要从事瓦斯灾害防治方面的研究。E-mail:suncl@hpu.edu.cn。
基金资助:
国家自然科学基金资助(51874120, 51904094);河南省高校科技创新人才支持计划资助项目(19HASTIT042);河南省重点研发与推广(科技攻关)项目(202102310292)。

Experimental study on suppression effects of inert gas/red mud two-phase inhibitors on gas explosion

SUN Chaolun^1,2, ZHANG Yimin^1,2, PEI Bei^1,2, WANG Yan^1,2, MENG Xiangqing^1,2, JI Wentao^1,2

1 College of Safety Science and Engineering, Henan Polytechnic University, Jiaozuo Henan 454000, China;
2 State Key Laboratory Cultivation Bases for Gas Geology and Gas Control, Jiaozuo Henan 454000, China

Received:2020-07-18 Revised:2020-09-11 Online:2020-10-28 Published:2021-07-15

摘要/Abstract

摘要： 为研发新型高效气-固两相瓦斯抑爆剂,基于管道瓦斯爆炸试验平台,测试二氧化碳、氮气与赤泥两相抑爆剂对甲烷最大爆炸压力、火焰平均传播速度等参数的影响,对比分析两相抑爆剂与单相抑爆剂的瓦斯抑爆性能差异。结果表明:惰性气体/赤泥两相抑爆剂兼具惰性气体和赤泥的双重抑爆效应,其对甲烷爆炸的抑制性能优于单相惰气和赤泥,且抑爆效果随着惰性气体体积分数和赤泥质量浓度的增大而增大;惰气存在临界体积分数,高于该临界体积分数,添加较低质量浓度的赤泥即可完全抑制甲烷爆炸;低于该临界体积分数,实现甲烷爆炸完全抑制所需的赤泥质量浓度显著提高。

关键词: 惰气/赤泥两相抑爆剂, 瓦斯爆炸, 粉体抑爆剂, 气体抑爆剂, 火焰平均速度

Abstract: In order to develop new gas/solid two-phase inhibitors, impacts of CO₂ and N₂/red mud two-phase inhibitors on maximum explosion pressure and average flame propagation velocity of methane were tested via a gas explosion experimental platform. Then, difference of gas explosion suppression performance between two-phase inhibitors and single-phase inhibitors was compared. The results show that inert gas/red mud two-phase inhibitor has dual explosion suppression effect which is better than that of single-phase inhibitors on methane explosion and increases with growth of inert gas's volume fraction and red mud's mass concentration. Meanwhile, there is a critical volume fraction for inert gas. If it is higher than this critical value, needed concentration of red mud to completely suppress the methane explosion is lower. However, in case of lower volume fraction, that of red mud will increase obviously.

Key words: inert gas/red mud two-phase explosion inhibitors, gas explosion, dust explosion inhibitor, gas explosion inhibitor, average flame propagation velocity

中图分类号:

X932

孙超伦, 张一民, 裴蓓, 王燕, 孟祥卿, 纪文涛. 惰气/赤泥两相抑爆剂抑制瓦斯爆炸试验研究[J]. 中国安全科学学报, 2020, 30(10): 112-118.

SUN Chaolun, ZHANG Yimin, PEI Bei, WANG Yan, MENG Xiangqing, JI Wentao. Experimental study on suppression effects of inert gas/red mud two-phase inhibitors on gas explosion[J]. China Safety Science Journal, 2020, 30(10): 112-118.

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惰气/赤泥两相抑爆剂抑制瓦斯爆炸试验研究

Experimental study on suppression effects of inert gas/red mud two-phase inhibitors on gas explosion

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