Negative pressure type dustproof device

• Main Authors: JIANG LINGQUAN, WANG WENMIN, NIU LIN, GUO YANWEI, LIU DONGYANG, ZHANG JUNFANG, YU YAOHUI, MIAO JIAZHUANG
• Format: Patent
• Language: Chinese; English
• Published: 27.10.2023
• Subjects: CONVEYING; HANDLING THIN OR FILAMENTARY MATERIAL; PACKING; PERFORMING OPERATIONS; PNEUMATIC TUBE CONVEYORS; SHOP CONVEYOR SYSTEMS; STORING; TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING ORTIPPING; TRANSPORTING

The utility model relates to a negative pressure type dustproof device which comprises a conveying belt, two rolling shafts are arranged in the conveying belt, rotating rods are fixedly connected to the interiors of the two rolling shafts, a rectangular frame is rotationally connected to the outer sides of the rotating rods, four fixing plates are fixedly connected to the bottom of the rectangular frame, and a shell is arranged on the outer side of the conveying belt. A negative pressure type fan is arranged at the top of the shell, a filter screen is arranged at the top of the inner wall of the shell, and a limiting assembly is arranged on one side of the filter screen and used for fixing the filter screen. The utility model aims to solve the problems that as the conventional belt conveyor is generally arranged in an unclosed device, dust is easy to raise and cause environmental pollution when coal is conveyed, most of the generated dust belongs to respirable dust, and the treatment difficulty is high; the h