| 摘要 |
PURPOSE: A steam-liquid contacting tray having a fixed roof aperture is provided to prevent the accumulation of the liquid and to flow the liquid evenly by supporting the liquid flow a directional steam flow crosses the tray. CONSTITUTION: The tray has: a fixed roof structure(42) to repeatedly direct the steam to a horizontal flow passage via an opening(38) to flow the steam up and down; and a deflector(44) separated to the upper part of a related aperture and overlapped; herein, one end of the deflector is connected to a tray, the other end is connected to an end plate(46), and the deflector is combined to the tray by the end plate. And the deflector is inclined to the tray to make the flow of the vapor head for one direction and to divide the flow into one direction.
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