How to build a coal yard in a coal mine?

1, the coal yard is at the outermost part of the mine and there is a separate road open to traffic, and the car goes outside the mine, that is, the coal lane;

2, try to make the periphery higher than the coal yard, so that the wind blows less and coal ash;

3. There are two sets of weighbridges at the door, one in and one out, and a sink is dug under the weighbridge for drainage, so as to install sprinkler and coal leakage vehicle in the future to prevent the weighbridge from failing;

4. A circle of drainage ditch and one or more sedimentation tanks should be set at the periphery;

5. A wind wall and a large spray gun dust suppression device are installed on the periphery, which can also be installed in the coal tunnel;