Adverse current extraction element

The utility model provides an adverse current extraction element, it includes extraction tube, sets up the propeller in extraction tube, and the propeller comprises axle and blade, characterized by the blade is the sheet -like, the blade just is the spiral diposition on the surface of axle along the axial interval arrangement. Because the blade is the sheet -like, follow the axial interval arrangement and be the spiral diposition, when playing the effect of propulsion material, the material also can seethe, scatter under the effect of this kind of blade, plays mixing effect, the material can seethe the opposite side along with the rotation of propeller from one side, though the rotation of blade original place can be followed to partial material, because the blade interval arrangement, the material can just can not form continuous closely piling up and personally experience sth. Part of the body simultaneously to piling up one side, just can not form the seize effect yet to can not form the jam in extraction tube. Through experiment identification many times, even the bulk volume of material is greater than at 80% o'clock of the extraction tube bulk volume, can not appear blockking up yet. Thereby make extraction tube's efficiency obtain the biggest performance, improvement that the price / performance ratio is being shown.