Stagewise drum screen device for sand grading separation

• Main Authors: Yang Haiping, Xu Lifen, Su Junhui, Yang Xiaohua, Chen Qianqian
• Format: Patent
• Language: Chinese; English
• Published: 10.08.2016
• 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 invention relates to a stagewise drum screen device for sand grading separation, belongs to the technical field of processing building materials and aims at solving the technical problems how to realize grading screening of sand grading separation and rapid change of a screen mesh. The stagewise drum screen device for sand grading separation comprises a rack, a rotary shaft, a drive part used for driving the rotary shaft to rotate, a drum frame and a plurality of screen mesh components used for screening sand stones in a grading manner, wherein the rotary shaft is rotationally connected to the rack; the drum frame sleeves and is fixedly connected with the rotary shaft; a plurality of openings which are sequentially formed in the axial direction of the rotary shaft are formed in the side surfaces of the drum frame; and the screen mesh components are detachably connected to the drum frame and in addition covers the corresponding opening. According to the stagewise drum screen device for sand grading separat