Sealing structure of carbon black airtight valve

• Main Authors: ZHU LIANCHAO, ZHOU CHAOLIN, CHEN XIANRUI, HAO WEIDONG
• Format: Patent
• Language: Chinese; English
• Published: 15.09.2023
• Subjects: ACTUATING-FLOATS; BLASTING; COCKS; DEVICES FOR VENTING OR AERATING; ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; LIGHTING; LUBRICATING; MECHANICAL ENGINEERING; TAPS; THERMAL INSULATION IN GENERAL; VALVES; WEAPONS

The utility model relates to the technical field of carbon black airtight valves, in particular to a sealing structure of a carbon black airtight valve. In order to solve the problems of low carbon black production efficiency, high labor intensity of workers and easy sealing failure caused by a packing sealing structure adopted by the existing carbon black airtight valve, the utility model provides a novel sealing structure of the carbon black airtight valve, which comprises a valve body, a rotor shaft, a bearing seat, an annular sealing seat, an oil seal gland and two oil seals, the outer edge of the bearing seat is in sealed connection with the outer edge of the valve body, a shaft sleeve is fixedly sleeved in the middle of an inner ring of the sealing seat, an oil storage cavity is formed between an inner ring of the shaft sleeve and the rotor shaft, and the two oil seals are arranged between the two ends of the inner ring of the sealing seat and the rotor shaft in a sealed mode respectively. The oil seal