赤城煤矿5-2煤层自然发火标志性气体优选  

Optimization of Natural Ignition Signature Gas in 5-2 Coal Seam of Chicheng Coal Mine

作　　者：王文 李永元 王文韬 王冰山 王斐 Wen Wang;Yongyuan Li;Wentao Wang;Bingshan Wang;Fei Wang(Huating Coal Group Chicheng Coal Mine Limited Liability Company,Pingliang,Gansu 744000;Huaneng Coal Technology Research Co.,Ltd.,Beijing 100070)

机构地区：[1]华亭煤业集团赤城煤矿有限责任公司,甘肃平凉744000 [2]华能煤炭技术研究有限公司,北京100070

出　　处：《新疆钢铁》2025年第1期177-179,共3页Xinjiang Iron and Steel

基　　金：华能集团总部科技项目HNKJ23-H11资助。

摘　　要：为了及时和准确地预测预报赤城煤矿5-2煤层自然发火情况,运用实验分析手段,针对赤城煤矿5-2煤层自然发火的标志气体展开深入研究。通过对5-2煤层煤样开展氧化实验,筛选出适用于该煤层自然发火的标志气体。研究结果显示:CO、C_(2)H_(4)、C_(2)H_(2)是赤城煤矿5-2煤层自然发火的标志性气体。具体而言,CO是5-2煤层步入缓慢氧化阶段的标志;C_(2)H_(4)意味着5-2煤层局部进入加速氧化阶段;C_(2)H_(2)则表明5-2煤层已进入激烈氧化阶段。In order to timely and accurately predict the natural ignition of the 5-2 coal seam in Chicheng Coal Mine,an in-depth study was conducted on the marker gases of the natural ignition of the 5-2 coal seam in Chicheng Coal Mine by means of experimental analysis.Through the oxidization experiment on the coal samples of 5-2 coal seam,we screened out the marker gases applicable to the natural ignition of this coal seam.The results show that CO,C_(2)H_(4) and C_(2)H_(2) are the signature gases of natural ignition in the 5-2 coal seam of Chicheng Mine.Specifically,CO is a sign that the 5-2 coal seam has entered the slow oxidation stage;C_(2)H_(4) implies that the 5-2 coal seam has locally entered the accelerated oxidation stage;and C_(2)H_(2) indicates that the 5-2 coal seam has entered the intense oxidation stage.

关 键 词：自然发火 标志性气体 优选分析 气体产生规律 

分 类 号：TD752[矿业工程—矿井通风与安全]