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介绍了测氡技术的基本原理，阐述了对唐山刘庄煤矿９＃和１２＃煤层地下气化炉部分区段进行探测的具体方法。通过数据处理和分析，得到了比较满意的结果，达到了预期的目的和效果，基本上查明了９＃及１２＃煤层地下气化炉火源的位置、范围及移动速度，为两气化炉联合生产高热值水煤气而制定一系列的技术工艺方案提供了必要的科学依据。
The basic principle of radon measurement technology is introduced, and the specific methods for detecting partial sections of underground gasifier in 9 # and 12 # coal seam of Liuzhuang Coal Mine in Tangshan are described. Through data processing and analysis, satisfactory results were obtained, and the expected purpose and effect were achieved. The location, range and moving speed of underground gasification furnaces of 9 # and 12 # coal seam were basically ascertained. Furnace combined production of high calorific value of water gas to develop a series of technical process programs provide the necessary scientific basis.