FIELD: coal industry.
SUBSTANCE: group of inventions relates to versions of device for ignition of underground coal bed and can be used for underground coal gasification. Device comprises a system of ignition, positioning system, transducer and controller. Ignition system includes means of ignition and device for igniting underground coal bed from inside of well channel or well liner, enclosed in the well channel. Positioning system includes flexible tubing connected with device for ignition and passing through well head inside of well channel for installation of device for ignition in desired place inside the well channel. System additionally contains flexible pipeline drum for transportation and distribution of tubings.
EFFECT: technical result consists in improving reliability of device for igniting underground coal bed.
15 cl, 18 dwg
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