Closely gas drainage system is organized in coal seam

The utility model discloses a well worker coal mining's gas control system aims at providing a closely gas drainage system is organized in coal seam. The utility model discloses among the technical scheme, including adit, this coal seam drilling, pump drainage hose, pump drainage pipeline, airtight, gas pump drainage pump. The adit arrange exploitation coal seam lower part close on the coal seam, adopt this coal seam drilling of helping to construct of rig perpendicular to adit two to lay a pump drainage pipeline in the tunnel. The drilling of this coal seam in carry out the hole sealing after imbedding one section pump drainage hose, pump drainage hose and pump drainage tube coupling, the pump drainage pipeline is connected with the pump drainage pump, formation gas drainage under suction network, the adit entrance lay an other pump drainage pipeline, be connected to and take out casting twine back and carry on airtightly to the adit, form the gas drainage under suction system to the adit. The gas that casting twine can block in the coal seam of lower part of taking out among this technical scheme pours in to the exploitation coal seam along the crack, has played the effect of shielding gas, has effectively reduced the gas density of exploitation coal seam working face. The utility model is used for closely the gas control of coal seam group is respond well, is applicable to well worker coal mining trade.