Method for early detection of fire hazard in the protecting pillar and the longwall heading workings

摘要

how early detection of risks of fire in the protective pillar (1) and (4) zrobach excavation u015bcianowego separated by protective pillar (1) from the przyu015bcianowego (2) is, in ociosie sidewalk przyu015bcianowego (2), which is the protective pillar (1) drilling in selected under ziau0142ce openings (5).the openings (5) successively introduces using the leading (7) of wire (6) in the form of sensory open loop, while deployed in wyrobisku cable sensory (6) shall be included in the central system for monitoring fire risks and made permanent monitor change the temperature for detecting the temperature increase.in order to precise location places threatened by fire.