| 摘要 |
<p>The present invention relates to a method of in-situ gasification of coal, in which a duct (1) for injecting the gasifying agent and a duct (6) for recovering the produced gas are arranged by tunnelling or boring along the coal seam in a mining system having installations for ventilation, transportation, drainage etc., and being suitable for people to work there. A pipe (2) is deposited within the said injecting duct (1) and the head (a) of it is withdrawn continuously or regularly during the operation.</p> |
