Closed steam cooling blade for turbine of gas 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 reducing turbine output and efficiency, gas temperature reduction, etc., to improve gas turbine efficiency and output power, reduce manufacturing cost effect
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[0019] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.
[0020] Such as Figure 1 to Figure 8 As shown, a gas turbine turbine closed-type steam cooling blade includes a blade body, an upper edge plate 5, a lower edge plate 6, a steam input pipe I1, a steam input pipe II2, a steam output pipe I3 and a steam output pipe II4. The upper edge plate 5 is provided with a steam input pipe I1, a steam input pipe II2, a steam output pipe I3 and a steam output pipe II4, and the upper trailing edge side of the lower edge plate 6 is provided with a diversion groove 7, and the blade body is equipped with The insert 10 separates the blade body, and the front part of the insert 10 facing the inner side of the leading edge of the blade body is provided with a plurality of impact holes 8 in the radial direction, and the inner cavity of the insert 10 communicates with the steam input pipe I1, through the impact ho...
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