几种无机盐类脱氧型阻化剂耗氧速率试验研究

doi:10.16265/j.cnki.issn1003-3033.2017.02.009

中国安全科学学报 ›› 2017, Vol. 27 ›› Issue (2): 47-52.doi: 10.16265/j.cnki.issn1003-3033.2017.02.009

几种无机盐类脱氧型阻化剂耗氧速率试验研究

王宏飞¹, 王继仁² 教授, 郝朝瑜² 副教授, 贺飞²

1 辽宁工程技术大学矿业学院,辽宁阜新 123000
2 辽宁工程技术大学安全科学与工程学院,辽宁阜新 123000

收稿日期:2016-11-01 修回日期:2016-12-18 出版日期:2017-02-28 发布日期:2020-11-22
作者简介:王宏飞 (1989—),男,山西应县人,硕士研究生,研究方向为矿井火灾防治。E-mail:18841848315@163.com。
基金资助:
国家自然基金青年基金资助(51404127);国家自然科学基金资助(51574143)。

Experimental study of several inorganic salts-type inhibitor of oxygen consumption rate

WANG Hongfei¹, WANG Jiren², HAO Chaoyu², HE Fei²

1 College of Mining, Liaoning Technical University, Fuxin Liaoning 123000, China
2 College of Safety Science and Engineering, Liaoning Technical University, Fuxin Liaoning 123000, China

Received:2016-11-01 Revised:2016-12-18 Online:2017-02-28 Published:2020-11-22

摘要/Abstract

摘要： 为解决目前阻化剂只有单一阻化作用的问题,加入一种具有耗氧功能的材料,形成一种具有耗氧和阻化双重作用的脱氧型阻化剂。通过试验的方法,将不同配比的脱氧型阻化剂放置在恒温仪器里测其耗氧时间,得到不同配比的脱氧型阻化剂的耗氧速率与氧体积分数的关系以及耗氧速率的变化规律。改变试验温度,得到脱氧型阻化剂的耗氧速率与氧体积分数的关系以及耗氧速率的变化规律。试验结果表明,氧体积分数越大,耗氧速率越高;随温度的升高,脱氧型阻化剂的耗氧速率在加快;硅藻土的量为0.6 g时,脱氧型阻化剂的耗氧速率最快;无机盐使用量相同时,耗氧速率为v(MgCl₂)>v(NaCl)>v(KCl)>v(CaCl₂),耗氧速率随无机盐使用量的增加而降低,使用0.15 g MgCl₂的脱氧型阻化剂耗氧速率最快。

关键词: 脱氧型阻化剂, 无机盐, 耗氧时间, 氧体积分数, 耗氧速率

Abstract: The paper was aimed at studying problems relating to application of iron-containing inorganic salt type fire inhibitors in coal mine fire protection.Laboratory-scale experiments were performed to observe effects of factors,composation of inhibitor,oxygen volume fraction in the atmosphere,temperature among others,on the oxygen consuming rate. The results show that the faster the oxygen volume fraction in the atmosphere, the higher the rate of oxygen consumption,that the oxygen consumption rate of the oxygen consuming fire inhibitor is increased by the increase in the temperature,that the amount of diatomite in the inhibitor has a significant effect on the oxygen consumption rate,that MgCl₂,NaCl,KCl and CaCl₂ differ from each other in the effect on the rate,and that there is a negative correlation between the oxygen consumption rate and the amounts of inorganic salts. When using the same amount of inorganic salts, the rate of oxygen consumption is v(MgCl₂)>v(NaCl)>v(KCl)>v(CaCl₂). With the increase of inorganic salt, the oxygen consumption rate was slowed down, and the oxygen consumption rate was the fastest using 0.15 g MgCl₂ deoxidizing agent.

Key words: oxygen consuming inhibitor, inorganic salt, oxygen consumption time, oxygen concentration, oxygen consumption rate

中图分类号:

X932

王宏飞, 王继仁, 郝朝瑜, 贺飞. 几种无机盐类脱氧型阻化剂耗氧速率试验研究[J]. 中国安全科学学报, 2017, 27(2): 47-52.

WANG Hongfei , WANG Jiren , HAO Chaoyu , HE Fei. Experimental study of several inorganic salts-type inhibitor of oxygen consumption rate[J]. China Safety Science Journal, 2017, 27(2): 47-52.

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几种无机盐类脱氧型阻化剂耗氧速率试验研究

Experimental study of several inorganic salts-type inhibitor of oxygen consumption rate

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