【外文文献】2.doc

【外文文献】2.doc【外文文献】2
Coal mine mine shaft gas governmerrt techno Iogy appIi cat i on
First, survey
Evil of the gas, shocking, gas government, imminent.
The coal mine mine shaft gas ultra limits with the gas agglomeration occurs repeatedly，even some coal mine mine shaft also has the gas explosion, is seriously threaten!ng jobholders， safety and the coal mine safety in production.
All coal mine mine shaft all is equipped with the coal bin, the coal mine mine shaft coal bin name slides the coal shaft or “the counter-welF\ The coal bin role mainly is the storage, the reprint, the cushion coal amount, is the coal mine mine shaft storage and transport coal important link, to realizes the coal output high production to play the positive role. A small mine pit mine shaft coal bin quantity is equipped with 3、& a large-scale mine pit mine shaft coal bin quantity achieved 10^20, giant mine pit mine shaft coal bin quantity are more, therefore in the national coal mine mine pit, mine shaft coal bin quantity many may reach 1, 000, 000. These mine shaft coal bin in the storage, the reprint, the cushion coal amount process simuItaneously is agglomerating the massive gas, in its mine shaft coal bin gas density according to the coal amoimt, the anthrax different may achieve 3^20 % , the gas density surpasses "Coal mine safety Regulations" to stipulate greatly. The such high gas density meets friction spark, static electricity spark, stray currents, collision spark and so on kindling materials, extremely easy to cause the gas explosion. Coal mine mine shaft coal bin existence serious security hidden danger, also is the significant dangerous source, is seriously threatening jobholders， safety and the coal mine mine shaft safety in production.
Since long ago the coal mine mine shaft coal bin gas agglomeration question continuously has not obtained the very good solution significant hidden danger and the significant dangerous source, becomes the long-term puzzle coal mine safety production a bi