VAPOUR TURBINE AND VAPOUR TURBINE THRUST ADJUSTMENT METHOD

摘要

The disclosed vapour turbine has at least a high pressure cascade, a medium pressure cascade and multiple dummy units attached to a common axis of rotation. The vapour turbine is provided with: a detection means that detects the presence or absence of a vapour inflow to a medium pressure chamber; a depressurisation means that reduces the pressure difference on both sides of a pressure regulating dummy unit, one side of which is connected with a part of the medium pressure chamber, among the multiple dummy units when the inflow of vapour to the medium pressure chamber stops; and a control means that controls the depressurisation means on the basis of the detection result from the detection means.