采空区自燃“三带”自动化分析技术
Automatic Analysis Technology of Goaf Spontaneous Combustion “Three Zones”
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摘要: 为了解决人工自燃“三带”测点布置的空间和时间局限性,依托KJ428矿用分布式激光火情监测系统、束管维护技术、测点位置标记技术和“三带”可视化曲线绘制技术,实现自燃“三带”的动态和自动化分析。利用KJ428矿用分布式激光火情监测系统,得到31202采空区回风侧各测点的温度及各种气体浓度大小,根据其中氧气浓度大小可自动得出31202采空区回风侧散热带、氧化带和窒息带范围分别为:采面后方0~60 m、采面后方60~130 m和采面后方130 m至采空区深部,同时随着各测点监测数据的变化,可观测采空区自燃“三带”范围的变化规律。Abstract: To solve the space and time limitations of artificial spontaneous combustion “three belts” measuring points, the dynamic and automatic analysis of spontaneous combustion “three belts” is realized by relying on KJ428 mine distributed laser fire monitoring system, beam tube maintenance technology, measuring point location marking technology and “three belts” visual curve drawing technology. The range of non-spontaneous combustion zone, spontaneous combustion zone and suffocation zone on the return air side of the goaf in 31202 obtained by using this technology is respectively: 0-60 m behind the mining face, 60-130 m behind the mining face and 130 m behind the mining face to the deep part of the goaf, which is basically consistent with the artificial measurement results.
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