METHOD FOR AIRING EXTRACTION AREAS DURING LAYER MINING

摘要

the invention u043eu0442u043du043eu0441u0438u0442u0441u00a0 to the mining industry. the aim is to improve the effectiveness of u043fu0440u043eu0432u0435u0442u0440u0438u0432u0430u043du0438u00a0 and preventing u044du043du0434u043eu0433u0435u043du043du043eu0439 u043fu043eu0436u0430u0440u043eu0441u0442u043eu0439u043au043eu0441u0442u0438 by u0441u043du0438u0436u0435u043du0438u00a0 air flows through by planting roofs etc. and the processing of the upper u0441u043bu043eu00a0 space by u0441u043eu0437u0434u0430u043du0438u00a0 aerodynamic barriers.this part of u0434u043bu00a0 u043fu043eu0434u043au0440u043eu0432u0435u043bu044cu043du0443u044e u0432u043eu0437u0434u0443u0445u043eu043eu0442u0432u043eu0434u00a0u0449u0435u0433u043e gradient and its u0441u043eu043fu0440u00a0u0436u0435u043du0438u0435 with residual u0448u0442u0440u0435u043au043eu043c cover u0432u043eu0437u0434u0443u0445u043eu043du0435u043fu0440u043eu043du0438u0446u0430u0435u043cu043eu0439 wrap. the station u0432u043eu0437u0434u0443u0445u043eu043eu0442u0432u043eu0434u00a0u0449u0435u0433u043e gradient limit by a residual u0448u0442u0440u0435u043au0430 jumper with adjustable window, by u0432u0435u043du0442u0438u043bu00a0u0446u0438u043eu043du043du043eu0433u043e u0448u0442u0440u0435u043au0430 - jumper with slave u043eu0442u0430u044eu0449u0435u0439 through u0432u043eu0437u0434u0443u0445u043eu0434u0443u0432u043au043eu0439.in u043eu0442u043au0430u0442u043eu0447u043du043eu043c tunnel his u0443u0441u0442u044cu00a0 set cross piece with adjustable window. in u0437u0430u043fu0435u0440u0435u043cu044bu0447u0435u0447u043du044bu0445 spaces create excess pressure, the value of which, depending on the u0441u043eu043eu0442u043du043eu0448u0435u043du0438u00a0 u0438u0437u043cu0435u0440u00a0u0435u043cu044bu0445 costs of air. reduce the pressure in the u0437u0430u043fu0435u0440u0435u043cu044bu0447u0435u0447u043du043eu0439 part u0432u043eu0437u0434u0443u0445u043eu043eu0442u0432u043eu0434u00a0u0449u0435u0433u043e gradient by u0443u0432u0435u043bu0438u0447u0435u043du0438u00a0 square window in the crosspiece.in u0440u0430u0441u0445u043eu0434u0435 u043fu0440u043eu0445u043eu0434u00a0u0449u0435u0433u043e fan blows air through the lower air consumption, u043fu0440u043eu0445u043eu0434u00a0u0449u0435u0433u043e through jumper in u0432u043eu0437u0434u0443u0445u043eu043eu0442u0432u043eu0434u00a0u0449u0435u043c gradient, reduce the pressure in the u0437u0430u043fu0435u0440u0435u043cu044bu0447 u0435u0447u043du043eu0439 part u0432u043eu0437u0434u0443u0445u043eu043eu0442u0432u043eu0434u00a0u0449u0435u0433u043e gradient by u0443u0432u0435u043bu0438u0447u0435u043du0438u00a0 square window in the crosspiece.increase the air pressure in the u043eu0442u043au0430u0442u043eu0447u043du043eu043c tunnel through the u0443u043cu0435u043du044cu0448u0435u043du0438u00a0 square window wire installed at u0443u0441u0442u044cu00a0 u043eu0442u043au0430u0442u043eu0447u043du043eu0433u043e u0448u0442u0440u0435u043au0430 and u0443u0432u0435u043bu0438u0447u0435u043du0438u00a0 available for pipes u043eu043fu0440u043eu0432u043eu0434u0443 stake in air. this method u043fu043eu0437u0432u043eu043bu00a0u0435u0442 implement reliable and safe fire ventilation on u0432u044bu0435u043cu043eu0447u043du043eu0433u043e station u043fu0440u0438u0441u043bu043eu0435u0432u043eu0439 develop u0443u0433u043bu0435u043du043eu0441u043du043eu0439 column. 1 il.