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Study on gas emission prediction of steeply inclined coal seam applied horizontal slice mining

Xuchao, H.; Cheng, F.; Rui, W.; Guoqiang, Yan

Abstract (englisch):
Calculation of emission quantities from different gas emission sources is important to predict gas emission quantity on
the horizontally layered working face of a steep seam. However, existing gas emission prediction model has many
problems, such as complicated calculation links, poor accuracy and non-applicability to the steep seam. In this study, a
model applicable to predict gas emission from horizontal mining layer of steep seam was constructed based on the
different-source prediction method. This model was applied to the west wing working face in the 45# seam of WuDong
Mine in Xinjiang Autonomous Region in China. Prediction results of this model were compared with existing standard
data of the different-source prediction method. According to analysis results, existing different-source prediction model is
optimized specifically and the proposed model adds predictions of pressure relief gas emission in coal mass below the
mining seam and gas emission in top goaf. The calculated gas emission in the working face presents an error of +8.63%
with actual gas emission. This error conforms to the practical situation of horizontal layered mining of steep seam and
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Verlagsausgabe §
DOI: 10.5445/IR/1000096924
Veröffentlicht am 31.07.2019
DOI: 10.25103/jestr.122.03
Zitationen: 2
Zitationen: 1
Cover der Publikation
Zugehörige Institution(en) am KIT Institut für Angewandte Geowissenschaften (AGW)
KIT-Zentrum Klima und Umwelt (ZKU)
Publikationstyp Zeitschriftenaufsatz
Publikationsjahr 2019
Sprache Englisch
Identifikator ISSN: 1791-2377, 1791-9320
KITopen-ID: 1000096924
Erschienen in Journal of engineering science and technology review
Verlag Eastern Macedonia and Thrace Institute of Technology
Band 12
Heft 2
Seiten 17-26
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