Flow rectifying device for improving outlet water flow state of arc drainage box culvert
A technology of rectification device and drainage box, which is applied in the direction of buildings and road bottoms, etc., which can solve the problems of low flow velocity areas such as siltation, blockage, bad, and adverse effects of normal navigation of ships, and achieve the effect of simple structure, good drainage performance, and easy processing and production
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[0022] The rectifying device for improving the flow state of the culvert of the arc-shaped drainage box of this embodiment is as figure 1 with figure 2 As shown, it includes a diversion pier 1, a first cross beam 2 and a second cross beam 3 arranged in an arc-shaped drainage box culvert 4; the upstream of the arc-shaped drainage box culvert 4 is connected to the pump station outlet well 5, and the downstream is connected to the outer river channel 6. , The inlet and outlet sections of the arc-shaped drainage box culvert 4 are straight sections, the middle section is a circular arc section, and the cross-section of the arc-shaped drainage box culvert 4 is rectangular, and its width is W, depth is H, and arc The arc of the segment is θ.
[0023] The diversion pier 1 is located at the end of the arc section of the arc-shaped drainage box culvert 4, and the number is preferably two. The angle between the two diversion piers is α=-15~15°; the length of the diversion ...
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