Geomantic omen spraying device

The utility model relates to a windwater spraying device for spraying and dust prevention of an underground coal mining machine and a hydraulic support of a fully-mechanized coal mining machine. The windwater spraying device is a spraying body which is provided with a water channel for communicating the front and rear ends of the spraying body and a wind channel for communicating the front end at the side surface thereof, a water inlet pipe is connected at the rear end of the spraying body, a spraying core is connected at the front end of the spraying body, a water yielding channel at the middle part of the spraying core is communicated with the water channel, a plurality of air holes are distributed on the spraying core around the circumstance of the water yielding channel, the air holes is communicated with the wind channel of the spraying body, a spraying head with a front spraying port is fixed at the front part of the spraying core, and the side surface of the spraying body is connected with a wind inlet