A closed steam cooling blade of a gas turbine turbine
A gas turbine, steam cooling technology, applied in the direction of blade support components, mechanical equipment, engine components, etc., can solve the problems of gas temperature reduction, reduce turbine output and efficiency, etc., to improve gas turbine efficiency and output power, reduce manufacturing cost effect
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[0019] The present invention is further detailed below with reference to the accompanying drawings and examples.
[0020] Such as Figure 1 to 8 As shown, a gas turbine turntable steam cooling blade includes a blade body, an upper edge plate 5, a lower edge plate 6, a steam input conduit I1, a steam input conduit II2, a steam output conduit I3 and a steam output conduit II4, said A steam input conduit I1, steam input conduit II2, steam output conduit I3 and steam output conduit II4 are provided on the upper edge plate 5, and the upper tap side of the lower edge plate 6 is provided with a guide groove 7, and the blade body is mounted. The insert 10 is spaced apart from the front portion of the insert 10 on the inside of the front edge of the blade body, and the inner cavity of the insert 10 is in communication with the steam input pipe I1, via the impact hole 8 pairs of blades In the front edge of the body, the cooled steam flows along the pressure side and the suction side space fo...
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