Study On Influence Law Of Natural Wind Pressure On Ventilation System And Its Application In Changping Mine

With the increase of mining depth,the impact of natural wind pressure on ventilation system of mine growing,especially on the roadway of Diagonal,very easily lead to partial underground locations with no wind or breeze in the state,the emergence of gas accumulation phenomenon,which occurs accidents.Dissertation mine natural pressure generating mechanism for influencing factors and their impact on the ventilation system were studied,we deduced a natural pressure automatic solver algorithm to calculate the value of a long season of natural wind pressure level coal mine,and analysis its impact on the ventilation system,increase the stability of long flat mine ventilation system,the ventilation system for the future transformation of Changping Coal provides technical support.Analysis of Changping coal mine ventilation system.Through a lot of test data obtained Changping Coal different path each return air shaft seasons natural pressure,draw the natural air pressure changes of the seasons Changping Coal Mine;through ventilation simulation software Changping Coal Mine natural pressure and mechanical wind pressure joint operation was simulated coal mine seasons obtained Changping influence of natural wind pressure on ventilation system.The simulation software has been a long flat coal mine accidents each fan stops ventilation simulation,and all mine blackout state,each tunnel ventilation simulated natural wind pressure conditions in the mine.Optimization of mine ventilation system,to detect accidents and develop contingency plans to provide technical support.