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随着我国煤层气产业的快速发展,建立我国的煤层气气质标准迫在眉睫。由于煤层气与天然气成分上具有相似性,从而可以借鉴GB 17820—1999《天然气》标准中的部分技术指标及测试方法,来制定煤层气的气质标准。据此讨论了制定我国煤层气气质标准的原则,分析了煤层气中微量组分的测试方法和测试结果,经相关测试和计算,提供了标准参比条件、煤层气发热量、水露点、烃露点、CO2含量、汞含量等各项指标的建议数据。
With the rapid development of China’s CBM industry, it is imminent to establish the CBM quality standard in our country. Due to the similarities between CBM and natural gas components, it is possible to draw on some technical specifications and test methods of GB 17820-1999 “natural gas” standards to make CBM quality standards. Based on this, the principle of setting CBM quality standards in our country is discussed. The test methods and test results of trace components in CBM are analyzed. Based on the relevant tests and calculations, the standard reference conditions are provided. The CBM calorific value, water dew point, Dew point, CO2 content, mercury content and other indicators of the proposed data.