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Research on the gas desorption law of the consumingly destruct coal 被引量:3

Research on the gas desorption law of the consumingly destruct coal
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摘要 To solve the issues of calculating gas loss quantity during sampling,simulated gas desorption process of the consumingly destruct coal with the assembly simulation testing device.Through an analysis of the simulation test datum using SPSS software, established a new formula that can be better description on gas desorption process,more accurate calculation of the gas loss quantity during sampling process,and calculating re- leasable gas quantity during a certain period.Aimed at the new formula,the best time of taking sample is confirmed 3 minutes for consumingly destruct coal,the computative error is less than 10%.Through experiment at laboratory and locale,the new formula could well describe consumingly destruct coal gas desorption law,and it has high calculation preci- sion of gas loss quantity in sampling and desorption quanlity. To solve the issues of calculating gas loss quantity during sampling, simulated gas desorption process of the consumingly destruct coal with the assembly simulation testing device. Through an analysis of the simulation test datum using SPSS software, established a new formula that can be better description on gas desorption process, more accurate calculation of the gas loss quantity during sampling process, and calculating releasable gas quantity during a certain period. Aimed at the new formula, the best time of taking sample is confirmed 3 minutes for consumingly destruct coal, the computative error is less than 10%. Through experiment at laboratory and locale, the new formula could well describe consumingly destruct coal gas desorption law, and it has high calculation precision of gas loss quantity in sampling and desorption quanlity.
出处 《Journal of Coal Science & Engineering(China)》 2008年第2期263-266,共4页 煤炭学报(英文版)
基金 the National Natural Science Foundation of China(50474011) Key Project of Chinese National Programs for Fundamental Research and Development(973 Program 2006CB202204) Creation Foundation for Extraordinary Scholars in Henan Province of China(0421000400) Major Project of Science and Technology Tackle Key Problem in Henan Province of China(0421000400)
关键词 gas desorption law consumingly destruct coal lost gas quantity ERROR 气体吸附规律 可破坏性煤炭 可丢失气体 煤炭开采
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  • 1王佑安,吴继周,等.矿井瓦斯防治∥煤矿安全手册.北京:煤炭工业出版社,1994.
  • 2杨其銮 王佑安.煤屑瓦斯扩散理论及其应用.煤炭学报,1986,(11).

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