Rib plate, guide cone and exhaust cylinder

Abstract

The present invention relates to the technical field of turbine machinery, and specifically to a rib plate, a guide cone and an exhaust cylinder, comprising a rib plate body, the leeward side length of the rib plate body is A, the windward side length of the rib plate is B, and the thickness of the rib plate is C; at least part of the surface of the rib plate body is densely covered with drag reduction grooves, the height of the drag reduction grooves is h, and h=mC / (A-B); wherein m is 1-10, 50mm≤A-B≤150mm, and 10mm≤C≤25mm. In view of the technical problem that the rib plate structure in the existing turbine machinery has aerodynamic defects, the present invention proposes a rib plate, a guide cone and an exhaust cylinder, which reduce the disturbance of the rib plate to the mainstream by arranging drag reduction grooves on the surface of the rib plate body, thereby reducing flow losses, and can improve the safety and reliability of the turbine machinery operation, and can improve the operation efficiency of the turbine machinery.

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