A inferior final stage moving vane for making perfect on rotational speed thermoelectricity steam turbine
A inferior final stage moving vane for making perfect on rotational speed thermoelectricity steam turbine relates to an inferior final stage moving vane that is used for on the steam turbine, the utility model discloses a solve the problem of the full rotational speed thermoelectricity turbine unit...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | A inferior final stage moving vane for making perfect on rotational speed thermoelectricity steam turbine relates to an inferior final stage moving vane that is used for on the steam turbine, the utility model discloses a solve the problem of the full rotational speed thermoelectricity turbine unit demand of steam extraction type that present blade can not satisfy superhigh pressure, heat then the high humidity, the bleed air flow is big. The utility model discloses the work blade reduces to top cross sectional area from the root gradually, and work blade molded lines be the variable cross section twisted blade, and the blade root is skewed tooth fir shape, and shrcud ring, work blade and blade root die forging from top to bottom are as an organic whole, and the side -mounting is admitted air on the blade upper portion of working has laser solution strengthening to distinguish, the work blade is 435mm from root to top height, and root axial width is 72.51mm, and the leaving area is 2.43m2, blade root axial wi |
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