Cryogenic liquid turbine

摘要

A cryogenic liquid turbine is provided, wherein, impeller end of the rotor and nozzle assembly are received into cavity of volute, and main part of the volute is put into perlite cold box; insulation pad is used between the volute and machine housing to insulate heat; impeller outlet is connected to diffuser pipe. A nozzle assembly is connected to the machine housing by a nozzle compression flange; a nozzle compression plate adjusts a compactness of nozzle vanes by a disc spring; a nozzle turntable is connected on a nozzle chassis, and adjusts the nozzle vane stagger angle by adjusting mechanism passing through the volute; impeller shroud side seal is axially fixed on the nozzle compression flange, and a shaft seal is axially fixed to a seal gas part; the seal gas part and an oil seal are axially fixed to the machine housing by a bolt.

主权项

1. A cryogenic liquid turbine comprising:
a rotor, a machine housing, a nozzle assembly, a volute, and a diffuser pipe; wherein, an impeller end of said rotor and said nozzle assembly are positioned in said volute; a perlite cold box surrounds at least said volute to insulate heat; an insulation pad is positioned between said volute and said machine housing to insulate said heat.