The 11th chapter monitoring and communication of Coal Mine Safety Regulations of 2016 Edition is composed of 4 sections, including 23 subsections. Compared with that of the previous editions of Coal Mine Safety Regulations of 2011 Edition, it adds several contents, for instance, personnel position monitoring, mobile communication, image surveillance, real-time data uploading of safety monitoring and control system, coal and gas outburst alarm, wind direction sensors, and full-range or high-low concentration methane sensors are involved in the latest edition of Coal Mine Safety Regulations. According to this edition, optical fiber cables are allowed to be employed in safety monitoring and control system, the adjustment period of catalytic combustible methane sensors is modified to be 15 d, the wind power locking experiment which may cause power failures of local ventilator should be conducted once half a year. In line with the latest edition of Coal Mine Safety Regulations, additionally, methane sensors should be set up in many places or on many facilities, such as air return corners of working faces, intake airways of coal and gas outburst working faces, the middle of return airways of working faces of high gassy coal mines, coal roadways or semi coal-rock roadways of coal and gas outburst mines, split ventilation openings of tunneling faces with gas emissions in rock roadways, mixed return airways of double-roadway tunneling faces of high gassy mines, the middle of excavation roadways of high gassy mines and coal and gas outburst ones, return airways of mining areas, one-wing return airways, main return airways, underground coal storage bins, the ground corridor sides of enclosed belt conveyors, some places above the driving drums of belt conveyors, continuous shearer, bolt drilling rigs, shuttle cars, mine-used explosion-proof diesel locomotives, trackless rubber-tyred vehicles.
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