Powder Selector And Grinding System Using The Same

摘要

The grain crushing system of the present invention comprises: a first hopper receiving grain to be crushed; A grinder located at a lower end of the first hopper and configured to receive grain in the first hopper and pulverize and discharge grain into a predetermined size; A first vacuum conveyer for sucking and discharging the pulverized powder through a first pipe connected to the outlet of the pulverizer; A second hopper receiving the powder transferred from the vacuum transfer machine; A first transfer means installed at a lower end of the second hopper to transfer the powder to a sorter; A sorting drum having a thin inlet side and a thick outlet side of a cone type, a circumferential surface made of a mesh body, and rotatable; A scraper rotatably installed in the sorting drum; A second transfer means for collecting the powder passing through the mesh at the bottom of the sorting drum and transferring it to a third hopper; A third hopper for transferring the powder from the second transfer means; A second conduit connected to the third hopper to transfer the powder to the sorted powder collecting container; It characterized in that it comprises a second vacuum transfer unit for transferring the finely pulverized particles discharged to the discharge port of the sorting drum to the first hopper through a third pipe.