Sealing device for balance disc of centrifugal compressor

• Main Authors: LI YINJIE, WANG CHUANGHUA, CHEN KEYU, ZHAO MENGYANG, SHAO WEILONG, YU XUEZHI, SUN SHUOYAN, FU YINGNAN, CHEN YONGFENG, YU JIAYI, XU PENG, QI ZHIGANG, GE LILING, ZHENG GUANGSHUAI
• Format: Patent
• Language: Chinese; English
• Published: 10.03.2023
• Subjects: BLASTING; HEATING; LIGHTING; MECHANICAL ENGINEERING; NON-POSITIVE DISPLACEMENT PUMPS; POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS; WEAPONS

The utility model discloses a sealing device for a balance disc of a centrifugal compressor, relates to the technical field of compressors, and mainly aims to reduce the energy consumption of the centrifugal compressor and improve the stability of a rotor of the centrifugal compressor. According to the main technical scheme, the sealing device for the balance disc of the centrifugal compressor comprises the balance disc, and first sealing teeth are arranged on the outer edge of the balance disc in the circumferential direction; the sealing element comprises a rotation blocking grid, a first sealing element and a second sealing element, and the first sealing element and the second sealing element are detachably connected; the periphery of the balance disc is sleeved with the first sealing piece, the first sealing piece comprises a grindable functional layer, and the grindable functional layer abuts against the first sealing teeth; the balance disc is sleeved with the second sealing piece, the second sealing pi