METHOD OF MULTIPLE-STAGE ACTION UPON FACE-ADJOINING ZONE OF COAL-BEARING STRATUM FOR GAS, DUST, OUTBURST, CAVING AND TEMPERATURE CONTROL

摘要

the invention u043eu0442u043du043eu0441u0438u0442u0441u00a0 to mining industry and can be used in the design of underground coal deposits. the purpose is to improve the effectiveness of u0443u0433u043bu0435u043du043eu0441u043du043eu0439 u0438u0437u043eu0431u0440u0435u0442u0435u043du0438u00a0 degasification column and the sustainability of recipient formations in the area of sewage treatment works, the u0443u0440u043eu0432u043du00a0 dust, heat u0430u0442u0443u0440u044b air and the degree of u0432u044bu0431u0440u043eu0441u043eu043eu043fu0430u0441u043du043eu0441u0442u0438 reservoir.in parallel u043eu0447u0438u0441u0442u043du043eu043cu0443 slaughter on u0440u0430u0441u0441u0442u043eu00a0u043du0438u0438, not more than u0442u0440u0435u0445u043au0440u0430u0442u043du043eu0439 power reservoir, its roof and soil u0431u0443u0440u00a0u0442 wells (c) on the u043du0430u043fu043bu0430u0441u0442u043eu0432u0430u043du0438u044e species on the storey height. the interval u0431u0443u0440u0435u043du0438u00a0 with u0441u043eu0441u0442u0430u0432u043bu00a0u0435u0442 value r of 0.5 s, where s is the size of the zone u0442u0440u0435u0449u0438u043du043eu0432u0430u0442u043eu0441u0442u0438 ahead. at the approach to the treatment u0437u0430u0431u043eu00a0 with u0440u0430u0441u0441u0442u043eu00a0u043du0438u0435 s recent u043fu043eu0434u043au043bu044eu0447u0430u044eu0442u0441u00a0 to u0434u0435u0433u0430u0437u0430u0446u0438u043eu043du043du043eu0439 system.when approaching to the roof on the u0440u0430u0441u0441u0442u043eu00a0u043du0438u0435 a1 = VT1, where v is the speed of u043fu043eu0434u0432u0438u0433u0430u043du0438u00a0 lava;t1 - u0432u0440u0435u043cu00a0 u043du0430u0433u043du0435u0442u0430u043du0438u00a0 and u043eu0442u0432u0435u0440u0436u0434u0435u043du0438u00a0 u0441u043au0440u0435u043fu043bu00a0u044eu0449u0438u0445 materials, with the pump u0441u043au0440u0435u043fu043bu00a0u044eu0449u0438u0435 materials. when approaching to the soil improvement of u0437u0430u0431u043eu00a0 them alternately u043du0430u0433u043du0435u0442u0430u044eu0442u0441u00a0 u043fu044bu043bu0435u0441u0432u00a0u0437u0443u044eu0449u0438u0435 materials and refrigerants. after the passage of the lava to once again put to u0434u0435u0433u0430u0437u0430u0446u0438u043eu043du043du043eu0439 system.u0434u043bu00a0 intensification process u0433u0430u0437u043eu043eu0442u0434u0430u0447u0438 reservoir in after u043eu043au043eu043du0447u0430u043du0438u00a0 u0431u0443u0440u0435u043du0438u00a0 placed concentrator u043cu0430u0433u043du0438u0442u043eu0441u0442u0440u0438u043au0446u0438u043eu043du043du043eu0433u043e u0438u0437u043bu0443u0447u0430u0442u0435u043bu00a0 who move from u0437u0430u0431u043eu00a0 before u0443u0441u0442u044cu00a0 with. 1, z. s - lu, 3).