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硫化矿石自燃倾向性测试方法研究进展

  • 阳富强;吴超;李孜军;陈松;
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  • 1. 中南大学资源与安全工程学院,长沙 410083;2. 中南大学;国家金属矿安全科学技术研究中心,长沙 410083

收稿日期: 2010-08-12

  修回日期: 2011-07-05

  网络出版日期: 2011-07-28

The Test Methods for Assessing Spontaneous Combustion Tendency of Sulfide Ores

  • YANG Fuqiang;WU Chao;LI Zijun;CHEN Song;
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  • 1. School of Resources and Safety Engineering, Central South University, Changsha 410083, China;2. National Research Center of Safety Science and Technology for Metal Mines; Central South University, Changsha 410083, China

Received date: 2010-08-12

  Revised date: 2011-07-05

  Online published: 2011-07-28

摘要

金属矿山开采之前开展硫化矿石自燃倾向性测试是预防矿山自燃火灾发生的重要手段之一。本文系统论述了硫化矿石自燃倾向性测试方法的研究成果,着重评述了硫化矿石自燃倾向性判定的吸氧速度法、传统的交叉点温度法、动态自热率测试法、绝热氧化法、金属网篮交叉点温度法、综合测试法、程序升温氧化法,以及TG-DSC联用法等。对其中某些方法的测试原理、操作步骤,以及存在的优缺点进行分析,将各种方法进行归纳分类,并对硫化矿石自燃倾向性测试方法的研究方向进行了展望。

本文引用格式

阳富强;吴超;李孜军;陈松; . 硫化矿石自燃倾向性测试方法研究进展[J]. 科技导报, 2011 , 29(21) : 73 -79 . DOI: 10.3981/j.issn.1000-7857.2011.21.013

Abstract

Evaluating spontaneous combustion tendency of sulfide ores before actually mining is one of the most effective measures for preventing metal mines from causing spontaneous combustion fires. The present test methods for assessing spontaneous combustion tendency of sulfide ores, including oxygen-adsorption velocity test, traditional crossing-point temperature test, adiabatic oxidation test, comprehensive test, wire-mesh basket crossing point temperature method, temperature programmed oxidation method, and TG-DSC test, are systematically discussed. The test mechanism, operation procedures, excellences and drawbacks for some test methods are set forth. Based on the characteristics of these methods, five types of them are classified, and the future development direction for the spontaneous combustion tendency test of sulfide ores is also looked into.
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