| abstract |
The utility model belongs to the technical field of colliery underground works, concretely relates to portable underground trickle point sampling device, including collection funnel, sediment pipe and overflow pipe of arranging sand, arrange the one end and the collection funnel swing joint of sediment pipe of sand, arrange the other end swing joint of sediment pipe and seal the lid, be equipped with the interface that runs through sediment pipe cavity of arranging sand on the outer circumference of sediment pipe of arranging sand, overflow pipe and the interface swing joint on the sediment pipe of arranging sand. The utility model discloses simple structure, convenient to use can make things convenient for effectual collection to drench a water spot water sample in the pit, filters the too high silt particle volume of aquatic simultaneously. |