NEW OPPORTUNITIES FOR IMPROVING THE FORECAST OF AREAS OF HIGH GAS EMISSION FROM COAL SEAMS
Studies of methane desorption and sorption of coal samples at different pressures and temperatures in a unique experimental sorption calorimetric complex at IPKON of Russian Academy of Sciences and in gas-bearing coal seams proved an opportunity to improve safety of works on the gas factor first of all when driving and drilling operations on the basis of a faster, simpler and reliable forecast of geological disturbance of coal in the near-face zone of each seam even without big spending of money, labor and time. Scientifically proved opportunity to use in mines, especially when driving and drilling, new methods and desorbometrs for quick prediction of geological disturbance of coal and dynamics of methane desorption from it, quickly and easily performing in mines of 3 types of research: 1 - remote measurement of the surface temperature of the face and / or of drilling culm using thermal imager or an infrared thermometer (pyrometer), in order to see at a glance all the zones of geological disturbances at a lower temperature of coal in them, which is the result of rapid methane desorption from it; 2 - quick visual assessment of the desorption rate and residual gas content of coal samples or drill culm by simple and very cheap portable devices of a new principle of action to verify their disturbances; 3 - quick receiving quantitative characteristics of methane desorption from coal needed to improve security, forecast of seam degassing and mine ventilation. Using these new very cheap and simple methods and portable devices of a new principle of action, the miners will immediately see all areas of geological faults and quickly check the speed of methane desorption and residual gas-bearing of coal in them, which will allow to improve faster, easier and more efficient the safety on the gas factor in mines by taking into account the gas-kinetic properties and the gas content of coal in each location.