Coal grinding and screening mechanism

• Main Authors: LI SHENG, YU SHUN, REN WEIXING
• Format: Patent
• Language: Chinese; English
• Published: 12.08.2022
• Subjects: CRUSHING, PULVERISING, OR DISINTEGRATING; CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN; OTHER SEPARATING BY DRY METHODS APPLICABLE TO BULK MATERIAL,e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL; PERFORMING OPERATIONS; PREPARATORY TREATMENT OF GRAIN FOR MILLING; SEPARATING SOLIDS FROM SOLIDS; SEPERATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, ORSIFTING OR BY USING GAS CURRENTS; SORTING; TRANSPORTING

The utility model provides a coal grinding and screening mechanism which comprises a grinding box, the upper end of the grinding box is fixedly connected with a box cover, the center of the top face of the box cover is fixedly connected with a motor, an output shaft of the motor is fixedly connected with a rotating shaft, the rotating shaft penetrates through the box cover, the shaft wall of the rotating shaft is fixedly connected with an upper grinding disc, and the inner wall of the grinding box is fixedly connected with a lower grinding disc in a sealed mode. A discharging hole is formed in the middle of the lower grinding disc, two transverse rods located above the upper grinding disc are symmetrically and fixedly connected to the shaft wall of the rotating shaft, a plurality of hammering blocks are fixedly connected to the rod walls of the transverse rods, an inclined screen plate is connected to the lower portion of the lower grinding disc, and the inclined screen plate is in sealed connection with the