Device and method for analyzing gas component change in coal body drilling process

The invention discloses a device and method for analyzing gas composition changes in the coal body drilling process. The device comprises a closed box body, a coal sample test piece, an air extracting pump, a gas drying box and a chromatographic analyzer, wherein a drill rod penetrating hole is form...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: JIN CE, YU ZHIJIN, ZHANG ZHIPENG, YANG SONG, LI PENGBING, XU YONG
Format: Patent
Sprache:chi ; eng
Schlagworte:
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