Impeller structure and turbo expander

• Main Authors: XIAO HONGYUAN, XU HAIGANG, WU LIQUN, SHEN XIAO, CHEN KEPING, SON CHUNG-YEON, SUN MENGYU, XIAO ZHIYU, GAO YANQING, FANG YIXUAN, YU MENGQUN, FANG YUAN, WU WEIMING, PAN JUNHUI, FU DONGLIANG, PAN CHUNNAN
• Format: Patent
• Language: Chinese; English
• Published: 11.06.2024
• Subjects: BLASTING; ENGINE PLANTS IN GENERAL; HEATING; LIGHTING; MACHINES OR ENGINES IN GENERAL; MECHANICAL ENGINEERING; NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES; STEAM ENGINES; WEAPONS

The invention relates to an impeller structure and a turbo expander, and relates to the technical field of gas low-temperature separation and liquidation, the impeller structure comprises a shaft body and an impeller, the impeller is provided with an insertion hole for the shaft body to be inserted, the shaft body is matched with the impeller in an insertion mode, and the impeller is provided with an air inlet flow channel communicated with the insertion hole and used for introducing gas into the impeller. Applying pressure to the shaft body; the impeller is provided with a control assembly used for controlling the pressure in the air inlet flow channel, the control assembly comprises a temperature sensor and a pressure controller capable of being connected with the air inlet equipment, and the temperature sensor is connected with the pressure controller and used for monitoring the temperature of the impeller and controlling the running state of the pressure controller. When the temperature of the impeller ri