Automatic coal sample screening device

• Main Authors: ZHAO NA, GUAN JIADONG, WANG MEILIN, ZHAO HAN, LIU JIAN, GUO XIN, NIU JIANGLU, HAN ZUOYING, TAN KAILI, SONG YANLI
• Format: Patent
• Language: Chinese; English
• Published: 13.09.2019
• 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 provides an automatic coal sample screening device, which belongs to the technical field of coal sample preparation devices and comprises a screen frame, a vibration motor, a vibration bracket connected with the vibration motor and a switch for controlling the vibration motor. The multiple screen frames are installed in the vibration bracket from top to bottom according to the diameters of the screen holes from large to small, and each screen frame is provided with a discharging port; a top cover is arranged on the vibration bracket and located above the uppermost screen frame. According to the automatic coal sample screening device, the problems of high labor capacity, time and labor consumption and low efficiency during pure manual screening of existing coal samples aresolved. 本实用新型提供一种煤样自动筛分装置，属于煤样品制备装置的技术领域，包括筛框、振动电机、与振动电机连接的振动托架和控制振动电机的开关；筛框的数量为多个，按照筛孔直径由大到小自上而下安装在振动托架内，每个筛框上均设置有出料口；振动托架上设置有顶盖，顶盖位于最上层筛框的上方。该煤样自动筛分装置改善了现有煤样纯手动筛分时劳动量大、耗时耗力、效率低的问题。