Safety Systems for Coal Mines

The article describes selected safety devices and automation systems intended for use in underground coal mines: AT-36 conveyor automation system; STERLIN floor railway control system; mining communication systems: GTL-iz loudspeaking communication system and SGB-95 Iongwall communication system; ARES-4 seismoacoustics system; methane concentration measurement system equipped with KRT-1 methane concentration recorder, VM-1m and VM-1p type manual methane detectors, MK-4 methane detector for heading machines; ROT-1 thyristor starter as well as RRgxz leakage current protection circuit. Use of the above said systems enable the Mine Dispatcher to monitor all technological processes in a mine, thus ensuring safety.