INSTALLATION WITH A FLOW OF A FLUID, IN PARTICULAR TURBINE WITH AXIALLY PASSING A HEATED GAS FLOW

摘要

1. Installation with a fluid flow, in particular a gas turbine, with an axially passing stream of heated gas, with rows of rotor blades (2) on the rotor side and rows of guide vanes (3) on the casing side, respectively axially between successive rows of blades (2 ) of the rotor, as well as with the rotor shaft (1) surrounded by heat-shielding elements (8) and the base elements (6) of the rotor blades (2), and in the region of the first radial plane of the rotor shaft (1), inside the heat-shielding elements and base elements (8 , 6) are located for the first time chambers (9) with cooling air that communicate with each other and with a source of cooling air, and in the area of the radial external second radial plane of the shaft (1) of the rotor, inside the base plates (5), between the rotor blades (2) and their elements (6) the bases are additional chambers (10) with cooling air, which can be blown into the heated gas stream (4), characterized in that the additional chambers (10) with cooling air can be blown exclusively from their ends, located along the front relative to the direction flow (4) of heated air. ! 2. Installation according to claim 1, characterized in that the first seals (14, 15), which cover the first chambers (9) with cooling air radially from the outside, are located in the gaps (11, 13) in communication with the chambers (9, 10 ') with cooling air between adjacent heat-shielding elements and / or base elements (8, 6) in the radial direction or axial direction of the rotor shaft (1). ! 3. Installation according to claim 1 or 2, characterized in that the gaps (11) passing in the axial direction of the shaft (1) of the rotor, between adjacent plates (5) base