A layered flood and sediment discharge device for a reservoir

A flood discharge and reservoir technology, applied in water conservancy projects, marine engineering, coastline protection, etc., can solve the problems of reservoir capacity loss, turbidity, reservoir function and safety impact, etc., to achieve the convenience of opening and closing gates, and avoid huge impacts.
CN104895021BActive Publication Date: 2017-01-11XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
Publication Date
2017-01-11

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Abstract

The invention discloses a layered flood discharge and sediment discharge device for a reservoir, which comprises a U-shaped dam body in the longitudinal section, and the dam body includes two oppositely arranged side walls (6) and a connection connecting the bottoms of the two side walls (6). Section (4), on the side wall (6) close to the reservoir, there are three spill outlets (7) from top to bottom, and the three spill outlets (7) are respectively provided with surface flood gates (1), middle A flood discharge gate (2) and a bottom flood discharge gate (3); a bottom water outlet (13) is provided at the bottom of the side wall (6) away from the side of the reservoir, and a water outlet gate (5) is arranged at the bottom water outlet (13); The layered flood discharge and sand discharge device communicates with the water body of the reservoir through the flood discharge port (7). The flood and sand discharge device of the present invention has the characteristics of simple structure, timely discharge of muddy water, strong and durable device, long-term stable and reliable operation, and the like.
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Description

[0001] Technical field:

[0002] The invention belongs to the field of reservoir silt control, and relates to a reservoir silt discharge device, in particular to a reservoir layered flood discharge and sand discharge device based on the law of vertical layered flow of muddy water in the reservoir.

[0003] Background technique:

[0004] Water is becoming more and more scarce in the world, and reservoirs are gradually becoming the main water supply source for most cities, but sedimentation is a thorny problem faced by almost every reservoir. On the one hand, sediment deposition will reduce the effective storage capacity of the reservoir, and the world’s reservoir storage capacity loses an average of 4.5 billion cubic meters per year, which is about 0.64% of the total storage capacity; while the annual siltation loss rate of my country’s reservoirs is the highest in the world, higher than the world average 2 to 3 times. For example, since the Three Gorges Reservoir of the Yangtze ...

Claims

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