Sample test mixing tank

The utility model relates to a sample test mixing tank has solved traditional mixing tank sample and has mixed for single circular motion, problem that efficiency is not high. This device is equippedwith the end cover including the vertical drum type jar of the upper end open -ended body, a jar body upper end, and the end cover center is equipped with stretches into jar (mixing) shaft of the bodydownwards, and the (mixing) shaft lower part is equipped with stirring rake, its characterized in that: the stirring rake is up time needle or anticlockwise unidirectional rotating, jar body lower part evenly is equipped with a plurality of inside protruding guide blocks on ring week, the guide block is the guide arc face against the side of stirring rake rotation direction, and the guide arc face is the cambered surface of indent at the internal wall of jar. The utility model discloses inner wall to mixing tank improves, forms the direction, makes the sample increase inside and outside motion on centrifugal circular