Sediment device is arranged in boring water injection in colliery

The utility model discloses a sediment device is arranged in boring water injection in colliery, including being provided with the pump station of pump station water tank, with pump station and the pump station water tank pressure control device through the tube coupling, the pressure control device one end of passing through to connect sealed drilling rod in the high penstock way of second, the other end of sealed drilling rod be provided with the water conservancy drill bit, sealed drilling rod on be provided with drilling protector, sealed drilling rod setting is lieing in the rig in tunnel. The utility model discloses it is theoretical to introduce high -pressure water jet, makes hydraulic flushing in hole pump station, pressure control device, automatic switching drill bit etc. Combine with the rig, realize boring the petrosal foramen with towards the coal hole integration, reach the release of working face coal body anti -reflectionly, improve the firedamp drainage effect. Whole equipment miniaturizatio