|本期目录/Table of Contents|

[1]郭军,程小蛟,武剑,等.易自燃厚煤层工作面自然发火CO预测及防治[J].中国安全生产科学技术,2018,14(4):75-81.[doi:10.11731/j.issn.1673-193x.2018.04.012]
 GUO Jun,CHENG Xiaojiao,WU Jian,et al.CO prediction and control of spontaneous combustion in mining face of thick coal seam inclined to spontaneous combustion[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2018,14(4):75-81.[doi:10.11731/j.issn.1673-193x.2018.04.012]
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易自燃厚煤层工作面自然发火CO预测及防治
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《中国安全生产科学技术》[ISSN:1673-193X/CN:11-5335/TB]

卷:
14
期数:
2018年4期
页码:
75-81
栏目:
职业安全卫生管理与技术
出版日期:
2018-04-30

文章信息/Info

Title:
CO prediction and control of spontaneous combustion in mining face of thick coal seam inclined to spontaneous combustion
文章编号:
1673-193X(2018)-04-0075-07
作者:
郭军12程小蛟12武剑3樊世星12王伟峰12
(1.西安科技大学 安全科学与工程学院,陕西 西安 710054;2.教育部西部矿井开采及灾害防治重点实验室,陕西 西安 7100543;3. 兖煤菏泽能化有限公司 赵楼煤矿安监处,山东 菏泽,274000)
Author(s):
GUO Jun12 CHENG Xiaojiao12 WU Jian3 FAN Shixing12 WANG Weifeng12
(1.College of Safety Science and Engineering, Xi’an University of Science and Technology, Xi’an Shaanxi 710054, China;2.Key Laboratory of Western Exploration and Hazard Prevention, Ministry of Education, Xi’an Shaanxi 710054, China;3.Department of Safety Supervision, Zhaolou Coal Mine, Yanzhou Coal Mining Company Limited Heze Energy and Chemical Co., Ltd., Heze Shandong 274000, China)
关键词:
煤自燃厚煤层CO预测技术数值模拟自燃三带
Keywords:
coal spontaneous combustion thick coal seam CO prediction technology numerical simulation“three zones”of coal spontaneous combustion
分类号:
TD75
DOI:
10.11731/j.issn.1673-193x.2018.04.012
文献标志码:
A
摘要:
为了有效预防遗煤自燃,深入研究自然发火初期的CO预测技术。基于回风隅角CO源的理论模型,以Gambit建立相似二维采场模型,数值模拟了采空区自燃“三带”范围,并采用现场束管监测手段对结果进行了验证。利用程序升温实验获得了不同温度段回风隅角CO的极限指标,并与现场实测值对比分析,进而预判采空区遗煤发火程度,为制定有针对性的防治措施提供理论指导。研究结果表明:CO作为低温氧化阶段预测指标对预防遗煤自燃具有重要作用。
Abstract:
In order to effectively prevent the spontaneous combustion of residual coal, the CO prediction technology in the early stage of spontaneous combustion was deeply studied. Based on the theoretical model of CO sources at the return air corner, a similar two-dimensional stope model was established with Gambit to numerically simulate the range of“three zones”of coal spontaneous combustion in the goaf, and the results were verified by using the on-site beam tube monitoring methods. The limit indexes of CO at the return air corner in different sections of temperature were obtained by using the temperature programmed experiments, and they were compared and analyzed with the on-site measured values, thus the combustion degree of residual coal in the goaf was prejudged, so as to provide the theoretical guidance for the development of targeted prevention and control measures. The results showed that CO as the prediction index of the low temperature oxidation stage plays an important role for preventing the spontaneous combustion of residual coal.

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备注/Memo

备注/Memo:
国家重点研发计划重点专项项目(2016YFC0801800);陕西省教育厅专项科学研究计划项目(17JK0495);中国博士后科学基金项目(2017M623209);安全生产重大事故防治关键技术科技项目(shanxi-0006-2017AQ )
更新日期/Last Update: 2018-05-08