Soil element testing mixer with stratified sampling mechanism

The utility model relates to the technical field of soil element testing, in particular to a soil element testing blender with a stratified sampling mechanism, which comprises a blending tank, a base, a cover and an adding port, the base is arranged at the bottom of the blending tank to support the blending tank, the cover is arranged above the blending tank, and the adding port is arranged above the blending tank. A cover body is arranged on the base, an adding opening used for adding materials is formed in the upper portion of the cover body, a movable seat is fixed to the bottom of the mixing tank and is of an annular structure design, the lower portion of the movable seat is located in the base and is rotationally connected with the base, and a rotation driving mechanism is arranged in the movable seat. According to the soil element testing mixer with the stratified sampling mechanism, stratified sampling of soil in the mixing tank can be realized through cooperation of the vertically arranged sampling ba