Mine fire gas indices and their application to Indian underground coal mine fires
Mine fire gas indices and their application to Indian underground coal mine fires
复制标题
DOI：
10.1016/j.coal.2006.04.004
复制
发表时间：
2007-02-01
影响因子：
5.6
通讯作者：
Shukla, N. K.
中科院分区：
文献类型：
--
作者：
Singh, Ashok K.;Singh, R. V. K.;Shukla, N. K.
在规模缩小的煤矿中，由于煤的氧化而释放出火灾气体。火灾气体监测是确定火灾状态的主要工具。在此基础上，可以确定不同的火力指数，以检查火力范围和设计有效的作战方法。在印度煤矿，矿井火灾已成为一个非常棘手的问题，地面和地下的矿井火灾数量超过200起。受火灾影响最重要的煤田包括Jharia、Raniganj、Talcher、Ib-Valley、Chirimiri、Singrauli和Ramgarh。对于地面（O/C）火灾，使用不同的检测方法。本文综述了现有成功的矿井火灾气体监测技术，并介绍了CO/O-2不足、CO2/O-2不足、C/H比、Willet比等不同的火灾指标，用于解释地下（U/G）封闭火灾的状态。案例研究已经提出了一些重要的印度煤田的U/G矿井的火灾状态评估。(c)2006 Elsevier B. V.保留所有权利。
Fire gases are liberated due to oxidation of coal in scaled off coal mines. Monitoring of fire gases is the main tool for the determination of fire status. On that basis, different fire indices can be determined for examining the extent of fire and for devising efficient combat methods. In Indian coal mines, mine fires have become a very problematic issue, numbering more than 200, both surface and underground. The most important fire-affected coalfields include Jharia, Raniganj, Talcher, Ib-Valley, Chirimiri, Singrauli and Ramgarh. For surface (O/C) fires different detection approaches are in use. The purpose of this paper is to review the existing successful techniques for monitoring the mine fire gases and describe different fire indices such as CO/O-2 deficiency, CO2/O-2 deficiency, C/H ratio, Willet's ratio, etc., for interpretation of status of underground (U/G) sealed off fires. Case studies have been presented for assessing status of fire in the U/G mines of some important Indian coalfields. (c) 2006 Elsevier B.V. All rights reserved.