Automatic case that drains in gas drainage pipe way

The utility model provides an elasticity is sealed with two outlet down that automatic case that drains in gas drainage pipe way sets up the drawer of telescopic on the lateral wall of box, and the diapire of drawer is filter structure, and top -down sets gradually two -layer storage water tank in the lower part space in the box, and it has sealed apron to cover through the spring respectively inthe outlet on the two -layer storage water tank, and sealed apron is at the spring to when ponding weight is greater than spring force in two storage water tanks, make two sealed apron open, realize automatic drainage. The utility model discloses utilize the processing of the current waste and old materials of mine, it is with low costs, filter the drawer and can pull out, the periodic cleaning incasement debris siltation that prevents to drain, two storage water tanks of case lower part space settings that drain, storage water tank bottom set up by the sealed apron of spring control as the valve, when hydrostatic pow