Status and Development Trend of Detection Technology on Abnormal Gas Area
LAN Ze-quan
Abstract：Abnormal gas area is the hazard and hidden factors cause to gas accident in the coal mine .In this paper, the status of detection technology on abnormal gas area was reviewed based on the interpretation of its meaning and characteristics.On the whole , detection technology includes two ways of contact detection and non-contact detection.Contact detection mainly occurred judgment by means of a variety of physical phenom-ena in the process of drilling construction , or to judge through the gas outburst prediction parameters of the test results.Non-contact detection is carried out based mainly on geophysical characteristics of sound , light, electricity and others of coal -rock medium.The non-contact detection technology was introduced as focus , such as radio wave perspective , geological radar , three-dimensional earthquake , acoustic emission and oth-ers.Finally, the development trend of the geophysical exploration technique was analyzed in view of advanced prediction distance , resolution and joint application.
Keywords：Abnormal areaGas enrichmentGeological structureDetection technology
Publication Date：2015-01-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：7( 1-7 )