Sealing structure for guide vane shaft head of tubular turbine

• Main Authors: YANG QIFENG, YAO HAINING, ZHENG CHENGMING
• Format: Patent
• Language: Chinese; English
• Published: 18.04.2023
• Subjects: BLASTING; HEATING; LIGHTING; MACHINES OR ENGINES FOR LIQUIDS; MECHANICAL ENGINEERING; OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR; PRODUCING MECHANICAL POWER; WEAPONS; WIND, SPRING WEIGHT AND MISCELLANEOUS MOTORS

The utility model provides a guide vane shaft head sealing structure of a tubular turbine. The guide vane shaft head sealing structure comprises a guide vane; the guide vane sleeve is arranged on a first sealing ring at the top of the guide vane, the first sealing ring is arranged on the inner side of the guide vane sleeve, and a second sealing ring is arranged on the outer side of the guide vane; and the inner wear-resistant plate is fixedly installed in the guide vane sleeve through bolts and located on the top of the first sealing ring, and a third sealing ring is arranged on the left side of the top of the inner wear-resistant plate. According to the sealing structure for the guide vane shaft head of the tubular turbine, multiple seals are adopted, namely an inner sealing structure and an outer sealing structure consisting of an inner O-shaped sealing ring and an outer O-shaped sealing ring of the floating ring, an O-shaped sealing ring added on the inner wear-resistant plate and an O-shaped sealing ring