Flexible packing type baffle door shaft sealing device

• Main Authors: LIU YUAN, LI JUN, CHEN LIANGSHAN, CHANG LINGYAO, ZHANG JICHUN, DU CHANGFEI, SUN YAN
• Format: Patent
• Language: Chinese; English
• Published: 17.02.2023
• Subjects: BLASTING; CASINGS, LININGS, WALLS OR DOORS SPECIALLY ADAPTED FORCOMBUSTION CHAMBERS, e.g. FIREBRIDGES; COMBUSTION APPARATUS; COMBUSTION PROCESSES; CYLINDERS; DETAILS OF COMBUSTION CHAMBERS, NOT OTHERWISE PROVIDEDFOR; DEVICES FOR DEFLECTING AIR, FLAMES OR COMBUSTION PRODUCTS INCOMBUSTION CHAMBERS; ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; LIGHTING; MECHANICAL ENGINEERING; PISTONS; SAFETY ARRANGEMENTS SPECIALLY ADAPTED FOR COMBUSTIONAPPARATUS; SEALINGS; THERMAL INSULATION IN GENERAL; WEAPONS

The utility model discloses a flexible packing type baffle door shaft sealing device which comprises a door shaft body, a first sealing sleeve seat and a second sealing sleeve seat are arranged outside the door shaft body in a sleeved mode, the first sealing sleeve seat and the second sealing sleeve seat are fixedly connected, a sealing packing cavity is formed in the first sealing sleeve seat and the second sealing sleeve seat, and a sealing gasket is arranged in the sealing packing cavity. A first packing wound on the surface of the door shaft body is arranged in the first sealing sleeve seat, a second packing wound on the surface of the door shaft body is arranged in the second sealing sleeve seat, and a material injection pipe communicated with the sealing filler cavity is rotationally installed on one side wall of the second sealing sleeve seat. Compared with the prior art, the utility model has the advantages that the pollution to the working environment caused by the overflow of air dust can be prevent