CN202718071U - Barrage structure capable of lowering silt of reservoir area - Google Patents
Barrage structure capable of lowering silt of reservoir area Download PDFInfo
- Publication number
- CN202718071U CN202718071U CN201220440398.7U CN201220440398U CN202718071U CN 202718071 U CN202718071 U CN 202718071U CN 201220440398 U CN201220440398 U CN 201220440398U CN 202718071 U CN202718071 U CN 202718071U
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- China
- Prior art keywords
- dam
- barrage
- spillover
- rubber
- weir crest
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses a barrage structure capable of lowering silt of a reservoir area. The barrage structure comprises a barrage spillover dam section arranged inside a main river channel. A spillover dam is of a gravity type structure. The dam back portion of the spillover dam is connected with an energy dissipation facility. A rubber dam is arranged on a weir crest of the spillover dam. The rubber dam is anchored on the weir crest of the spillover dam. Pipelines which are used for filling and draining water to the rubber dam are arranged in a concrete structure on the weir crest of the spillover dam. The barrage structure capable of lowering the silt of the reservoir area has the advantages that the structure that the rubber dam is arranged on the weir crest of the barrage spillover dam is used, compared with a traditional gate dam type desilting and aerial drainage building, a gate and start and stop equipment are removed, and the whole building is simple in structural style. The gravity type structure is used in the spillover dam, rebar usage amount is low, and construction speed is fast. The rubber dam is controlled through filling and draining water by a water pump, and the manufacturing cost of a dam bag and an operation control system of the rubber dam is low. According to the barrage structure, water resources are fully used, construction investment is greatly saved, and the exploitation benefits of a power station are improved.
Description
Technical field
The utility model relates to the sand discharge flood discharge building for the dam-type power station, especially relates to the barrage structure that reduces the reservoir area silt.
Background technology
At environmental impact particularly in the low water head dam-type power station exploitation, but utilized head seems unusually precious between the power station, upstream and downstream, and it can directly affect the investment value in power station.Want to maximally utilise head, must solve sand discharge flood discharge problem, make storehouse tail Sediment Siltation and backed-up water level not affect normal power generation and the flood control safety in power station, upstream.Present conventional way is that the flood and sand discharging building is arranged to the gate dam pattern.And this layout pattern by gate control, structure is complicated, and gate and opening and closing device investment are very high, many power stations have been lost invest and develop value, cause the waste of hydraulic potential.
Summary of the invention
The utility model purpose is to provide a kind of barrage structure of simple in structure, reduction reservoir area silt that construction costs is cheap.
For achieving the above object, the utility model is taked following technical proposals:
The barrage structure of reduction described in the utility model reservoir area silt comprises the barrage Overflow Section that is arranged in the main stem, and described overfall dam is gravity structure, is connected with energy-dissipating installation behind the dam of overfall dam; Be provided with rubber dam at the overfall dam weir crest, described rubber dam anchoring is at the overfall dam weir crest, is used for that rubber dam fills, the line arrangement of draining is in overfall dam weir crest concrete structure.
The utility model advantage is to take at barrage overfall dam weir crest this structure of rubber dam to be set, and compares with conventional gate dam formula sand discharge earial drainage building, no longer establishes gate and opening and closing device, and whole architecture structure form is simple; Overfall dam adopts gravity structure, and amount of reinforcement is few, and speed of application is fast; Rubber dam fills draining control by water pump, and its dam bag and operation control system cost are low.The barrage of building according to the utility model takes full advantage of waterpower resourses, has greatly saved construction investment, has improved the development benefit in power station.
Description of drawings
Fig. 1 is structural representation of the present utility model.
The specific embodiment
As shown in Figure 1, the barrage structure of reduction described in the utility model reservoir area silt comprises being arranged on 1 section of the interior barrage overfall dam of main stem, described overfall dam 1 is gravity structure, be connected with energy-dissipating installation 6 behind the dam of overfall dam 1, the length of overfall dam 1 is definite according to river width; Be provided with rubber dam 2 at overfall dam 1 weir crest, described rubber dam 2 is anchored at overfall dam 1 weir crest; The reservoir normal pool level is not raised power station, upstream generating tailwater level according to various operating mode backwater and is determined that rubber dam 2 crest levels 3 arrange the 0.1-0.2m that exceeds the reservoir normal pool level; Overfall dam 1 elevation of weir crest 4 is no more than upstream exit of hydropower plant's tailwater location positioning according to storehouse tail silt end.Be used for that rubber dam 2 fills, the pipeline 5 of draining is arranged in the overfall dam 1 weir crest concrete structure, the control pump house is arranged near 1 section appropriate location of overfall dam.
When reservoir normally moves, utilize the rubber dam 2 vertical dam dash banked-up water levels of overfall dam 1 weir crest, banked-up water level is as the criterion not to be higher than power station, upstream generating tail water; Between flood period, the rubber dam 2 dam flood and sand discharging that collapses, Sediment Siltation is no more than overfall dam 1 elevation of weir crest 4 before the control dam, reservoir area silt end is no more than the upstream exit of hydropower plant's tailwater.
Claims (1)
1. barrage structure that reduces the reservoir area silt is characterized in that: comprise barrage overfall dam (1) section that is arranged in the main stem, described overfall dam (1) is gravity structure, is connected with energy-dissipating installation (6) behind the dam of overfall dam (1); Be provided with rubber dam (2) at overfall dam (1) weir crest, described rubber dam (2) is anchored at overfall dam (1) weir crest, is used for that rubber dam (2) fills, the pipeline (5) of draining is arranged in overfall dam (1) the weir crest concrete structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220440398.7U CN202718071U (en) | 2012-08-31 | 2012-08-31 | Barrage structure capable of lowering silt of reservoir area |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220440398.7U CN202718071U (en) | 2012-08-31 | 2012-08-31 | Barrage structure capable of lowering silt of reservoir area |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202718071U true CN202718071U (en) | 2013-02-06 |
Family
ID=47619897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220440398.7U Expired - Lifetime CN202718071U (en) | 2012-08-31 | 2012-08-31 | Barrage structure capable of lowering silt of reservoir area |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202718071U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103410086A (en) * | 2013-07-23 | 2013-11-27 | 李尚喜 | Novel water gate energy dissipation facility and construction |
| CN105821815A (en) * | 2016-04-01 | 2016-08-03 | 山东省水利科学研究院 | Protective device for overflowing bucket |
| WO2021143329A1 (en) * | 2020-01-14 | 2021-07-22 | 浙江大学 | Water-filling type rubber dam sand flushing and discharging system for preventing silt behind high piled wharf |
-
2012
- 2012-08-31 CN CN201220440398.7U patent/CN202718071U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103410086A (en) * | 2013-07-23 | 2013-11-27 | 李尚喜 | Novel water gate energy dissipation facility and construction |
| CN105821815A (en) * | 2016-04-01 | 2016-08-03 | 山东省水利科学研究院 | Protective device for overflowing bucket |
| CN105821815B (en) * | 2016-04-01 | 2017-07-14 | 山东省水利科学研究院 | A kind of protector for excessively stream bucket lip |
| WO2021143329A1 (en) * | 2020-01-14 | 2021-07-22 | 浙江大学 | Water-filling type rubber dam sand flushing and discharging system for preventing silt behind high piled wharf |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130206 |