Combined defoaming and siphoning well and combined defoaming and siphoning method
A siphon well, combined technology, applied in waterway systems, drainage structures, water supply devices, etc., can solve problems such as aggravating foam, visual pollution, and affecting the environment of the sea area of the power station, achieving uniform water flow and solving the effect of air bubbles.
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Example Embodiment
[0025] Example one:
[0026] This embodiment is a combined defoaming siphon well, such as figure 1 , 2 Shown. This embodiment includes at least one siphon well assembly. The siphon well assembly includes a shaft 2 with a water inlet culvert 1. The shaft is connected to an overflow tank 6, and the overflow tank is connected to the vertical shaft. An overflow weir 5 is provided in the middle, the overflow weir is arranged on the side of the shaft opposite to the water inlet square culvert, and the side of the overflow pool opposite to the overflow weir is provided with a water delivery square culvert 8 , Between the inlet culvert and the overflow weir at the bottom of the shaft, a diversion pier 3 is set on the central axis facing the direction of the water inlet culvert, and the overflow weir is on the side of the shaft, close to the overflow weir A horizontally arranged weir front guide grid 4 is arranged at the top position, and at least one piece of defoaming is arranged verti...
Example Embodiment
[0038] Embodiment two:
[0039] This embodiment is an improvement of the first implementation. It is about the refinement of the first embodiment of the siphon well assembly. This embodiment includes two siphon well assemblies arranged side by side, and the siphon well assemblies share a side wall. The central axis of the water delivery culvert in the direction of water is offset to the shared side wall, such as Figure 5 Shown.
[0040] In this embodiment, a power station uses two side-by-side siphon well combinations, and when the drainage changes in winter and summer and the external water level changes greatly, two or three siphon well combinations can be used to adapt to these changes. . However, if there are too many siphon wells, the engineering cost will increase exponentially, which is a problem that must be considered. Nowadays, a power station basically uses a combination, so that when half of the units are overhauled, a siphon well combination will not affect the powe...
Example Embodiment
[0041] Embodiment three:
[0042] This embodiment is an improvement of the above-mentioned embodiment, and is a refinement of the above-mentioned embodiment on the diversion pier. The horizontal cross-sectional shape of the diversion pier in this embodiment is an isosceles triangle. The top angle of the isosceles triangle is the water-incoming surface and the bottom side is the back water surface. The height of the diversion pier is from the bottom of the siphon well to the outlet of the water-inlet culvert. The highest point is flush, such as figure 1 , 2 Shown.
[0043] The function of the triangular diversion pier is to divert the water body at the outlet of the inlet square culvert to both sides, avoiding the water body from being concentrated in the middle of the shaft and causing excessive water body fluctuations.
[0044] The triangle is an isosceles triangle, and its apex angle can be selected within a certain range. If the angle is too large, it will have a wall-like effect...
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