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Flood discharge method and device for anti-corrosion and energy dissipation of swirl annular weir

An energy-dissipating, ring-shaped technology, applied in barrage/weirs, sea area engineering, construction, etc., can solve the problems of negative pressure in shafts and cavitation in shafts, and achieve the effects of reducing cavitation, eliminating negative pressure, and reducing impact

Active Publication Date: 2022-03-11
杭州运祥建设有限公司
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Problems solved by technology

[0005] In order to solve the problem that negative pressure is easily generated in the shaft and cause cavitation in the shaft, the application provides a flood discharge method and device for swirling annular weirs to prevent corrosion and dissipate energy

Method used

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  • Flood discharge method and device for anti-corrosion and energy dissipation of swirl annular weir
  • Flood discharge method and device for anti-corrosion and energy dissipation of swirl annular weir
  • Flood discharge method and device for anti-corrosion and energy dissipation of swirl annular weir

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Embodiment Construction

[0036] Contraction below Figure 1-3 Further detailed description of the present application.

[0037] The present application discloses a flood discharge device for corrosion and downtime. Refer figure 1 , Including shaft 1, ceven 2 and out of water passage 3.

[0038] Refer figure 2 The upper end of the shaft 1 is provided with an inlet, and the inlet of the shaft 1 is connected to the ring-shaped mean 11, and the annular damper is flared, and the narrow port end of the ring-shaped mean 11 is connected to the shaft 1. The inner ring of the annular dam 11 forms a smooth shrinkage surface connection with the shaft 1. The ring 11 is fixedly connected to a plurality of guide pier 12, and the centerline of the guide pier 12 is from 10-40 degrees of tangent. On one side of the guide pier 12 is fixed to the outer circumference of the width end of the endless damper 11, the guide pier 12 is distingurated from the side of the ring 11 is rounded, and the upper end surface of the guide pier...

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Abstract

The application relates to a swirl annular weir anti-corrosion and energy dissipation flood discharge device, which relates to the field of water conservancy engineering technology, which includes a vertical shaft, a flat hole and a water outlet hole connected in sequence, and the end of the vertical shaft away from the flat hole is provided with a water inlet , the connection between the vertical shaft and the flat hole is provided with an energy dissipating part; the energy dissipating part includes a connecting pipe connecting the vertical shaft and the flat hole and an energy dissipating chamber arranged on the connecting pipe and communicated with the connecting pipe; the energy dissipating chamber The chamber is in the shape of a hollow cylinder, and two opposite fixing holes are opened on the circumferential side wall of the energy dissipation chamber; the ends of the connecting pipes are fixed in the fixing holes; The rotating rod; the axis of the rotating rod coincides with the axis of the energy dissipation chamber; a plurality of reversing vanes arranged at intervals are fixed on the outer wall of the rotating rod. The application has the effect of reducing the negative pressure in the shaft and reducing the phenomenon of cavitation.

Description

Technical field [0001] The present application relates to the field of water conservancy engineering technologies, in particular, involving a flood flooding method and apparatus for swirling cycloidal aroma; Background technique [0002] At present, in water conservancy and hydropower projects, the reservoir water-saving buildings are the earth-rock dam, often used in the spill or flooding holes, but when the land site is steep, when there is no spill channel, it is often selected to use the flood opening method. And often combined with the construction guide hole arrangement. [0003] Existing, the Chinese inventive patent is disclosed in the Chinese invention patent disclosure, a diving method and apparatus, including a swirling shaft, ambient falling of flood vertical falling, and a horizontal flooding hole. The top of the shaft is connected to the small mouth end of the horn blades, and the outer circumference of the large mouth of the speaker shaft is uniformly arranged with...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02B8/06E02B7/00
CPCE02B8/06E02B7/00
Inventor 朱华琴
Owner 杭州运祥建设有限公司
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