Fine powder grader

• Main Authors: XIA CHUNXIN, SONG HO-EUN, WANG XIAOHUI
• Format: Patent
• Language: Chinese; English
• Published: 09.08.2024
• Subjects: OTHER SEPARATING BY DRY METHODS APPLICABLE TO BULK MATERIAL,e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL; PERFORMING OPERATIONS; SEPARATING SOLIDS FROM SOLIDS; SEPERATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, ORSIFTING OR BY USING GAS CURRENTS; SORTING; TRANSPORTING

The utility model relates to the technical field of quartz sand screening, and discloses a fine powder grader which comprises a feeding part, a material guiding part and a screening part rotating along the axis, the screening part is provided with a material guiding part below, a screening cavity and a peripheral screen inside, and is divided into an inner wall and an outer wall, one end of the screening part is provided with a material injection port, the height of the screening part is higher than that of the other end, and the included angle a between the axis and the horizontal plane is larger than 0 degree and smaller than 9 degrees. A first inner cavity and a second inner cavity which are not communicated are formed in the top of the material guiding piece; according to the quartz sand screening device, the obliquely rotating screening piece is arranged, the feeding piece is used for guiding quartz sand to enter the bottom of the screening piece, and the screening piece and the auger piece synchronously