CN115030265B - Ecological overflow dam for rapid water intake - Google Patents
Ecological overflow dam for rapid water intake Download PDFInfo
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- CN115030265B CN115030265B CN202210661042.4A CN202210661042A CN115030265B CN 115030265 B CN115030265 B CN 115030265B CN 202210661042 A CN202210661042 A CN 202210661042A CN 115030265 B CN115030265 B CN 115030265B
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- dam
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- river channel
- box culvert
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B3/00—Methods or installations for obtaining or collecting drinking water or tap water
- E03B3/04—Methods or installations for obtaining or collecting drinking water or tap water from surface water
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B7/00—Barrages or weirs; Layout, construction, methods of, or devices for, making same
- E02B7/02—Fixed barrages
- E02B7/04—Dams across valleys
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B8/00—Details of barrages or weirs ; Energy dissipating devices carried by lock or dry-dock gates
- E02B8/02—Sediment base gates; Sand sluices; Structures for retaining arresting waterborne material
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B8/00—Details of barrages or weirs ; Energy dissipating devices carried by lock or dry-dock gates
- E02B8/02—Sediment base gates; Sand sluices; Structures for retaining arresting waterborne material
- E02B8/023—Arresting devices for waterborne materials
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Cleaning Or Clearing Of The Surface Of Open Water (AREA)
Abstract
The invention discloses an ecological overflow dam for quickly taking water, which is arranged between a river channel and a landscape lake; comprises a lower dam body with a shallow box culvert structure; the shallow box culvert structure is arranged in a porous group, and is internally provided with a sedimentation tank and a filter core body; the inlet of the sedimentation tank faces the river channel, and a plurality of groups of water stop valves or cover plates are arranged; a sand setting tank is arranged between the inlet and the river channel; a sand setting Chi Gang grid cover plate and a floating type dirt blocking net are arranged at the opening above the sand setting tank; the outlet of the sedimentation tank faces the landscape lake and is provided with an outlet steel grid cover plate; an upper dam body which is in a straight wall shape is arranged on the lower dam body; the top of the upper dam body is provided with a footpath which is parallel to the river course and is communicated with river course bank at two ends of the dam; the top of the shallow box culvert structure positioned at one side of the upper dam body facing the landscape lake is provided with an inspection well for daily maintenance. The invention can quickly inject the river water of plain river network into adjacent landscape lakes in an ecological and natural kinetic energy mode, and is more ecological and environment-friendly.
Description
Technical Field
The invention relates to the technical field of dam construction, in particular to an ecological overflow dam for quickly taking water.
Background
The existing dam mainly has the structural types of a gate dam, a stone dam, a soil dam, a rubber dam, a concrete dam and the like, mainly plays a role in diversion, has a single function, and is used as an overflow dam for flood control, damp blocking, sand blocking and diversion of a landscape lake, and the section structural type of the dam mainly has the following structural types: gate weirs, stone dams, earth dams, rubber dams, concrete dams, and the like.
This results in the existing overflow dam structure type being inferior in functionality and ecology depending on flood control requirements, drainage requirements, water flow conditions, construction conditions and the like of the landscape lake.
The dam cannot improve the water quality in the water diversion process, and is difficult to meet the requirements of high-standard landscape lake water replenishing quality.
In the prior art, on one hand, the traditional overflow dam is difficult to meet the flood control requirement when the water level of the external river is high due to the lower dam crest elevation, so that the landscape lake in the plain area mainly adopts a special sluice or a pump station for diversion, energy consumption is required, and water quality cannot be purified.
Specifically, if water is guided by a sluice, the sluice is opened and then guided to a landscape lake after the sluice is opened at a high water level of the external river, and the sluice is closed after water guiding is completed or the water level of the external river is reduced, and the sluice is opened more frequently, so that the special sluice can guide water only when the water level of the external river is higher than the water level of the landscape lake, and meanwhile, the external river is subjected to factors such as precipitation or upstream flood or frequent fluctuation change of the water level of the river is caused, and the sluice can be opened and closed more frequently.
If a special pump station is adopted for diversion, a control room, a power distribution room and the like are required to be equipped at a diversion pump station; whether the sluice or the pump station is provided with large-scale equipment and electrical equipment, special personnel are required to manage the equipment, and certain electric power or other energy sources are required to be consumed each year; meanwhile, the sluice or the pump station is provided with a building which is higher than the ground, the sluice or the pump station is difficult to coordinate with the landscape lake and the surrounding environment, and meanwhile, the water body introduced into the landscape lake is generally external river water, the water quality is relatively poor, and the requirements on the water quality of the landscape lake are not met.
Therefore, how to reduce the energy consumption of the dam and improve the water quality is a technical problem which needs to be solved by those skilled in the art.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, the present invention provides an ecological overflow dam for rapid water intake, which aims to achieve the purposes of ecologically protecting the environment, satisfying functions, being economical and reasonable, and being convenient to use, by rapidly injecting the river water of the plain river network into the adjacent landscape lake in an ecological manner with natural kinetic energy for the plain river network and the coastal area, especially for the natural environment with small fluctuation of water level.
In order to achieve the above purpose, the invention discloses an ecological overflow dam for rapidly taking water, which is arranged between a river channel and a landscape lake; comprises a lower dam body which is positioned below the water level of the river channel and is in a shallow box culvert structure.
Wherein the shallow box culvert structure is arranged in a porous group, and is internally provided with a sedimentation tank and a replaceable filter core body;
the inlet of the sedimentation tank faces the river channel and is provided with a plurality of groups of water stop valves or cover plates;
a sand setting tank is arranged between the inlet and the river channel at the position where water entering the inlet flows through;
a sand setting Chi Gang grid cover plate is arranged at the upper opening of the sand setting tank;
a floating type dirt blocking net is arranged on the settled sand Chi Gang grid cover plate;
the floating type dirt blocking net is perpendicular to the flow direction of the water flow entering the inlet;
the outlet of the sedimentation tank faces the landscape lake and is provided with an outlet steel grid cover plate;
an upper dam body which is in a straight wall shape is arranged on the lower dam body;
the top of the upper dam body is provided with a footpath which is parallel to the river channel and is communicated with river channel bank at two ends of the dam;
the top of the shallow box culvert structure positioned at one side of the upper dam body facing the landscape lake is provided with an inspection well for daily maintenance.
Preferably, the filter core is arranged at a position close to the inlet and/or the outlet in the shallow box culvert structure.
Preferably, the filter core body is graded broken stone or medium coarse sand combined with geotechnical counter-filtration cloth.
Preferably, the closing-in boundary of the filter element body is a water-permeable structure formed by gabion.
Preferably, the device further comprises a mud pump; the sludge pump is used for removing dirt and sludge from the sedimentation tank.
More preferably, the sludge pump is used for cleaning and discharging sludge from the sedimentation tank through a pipeline arranged in the inspection well.
Preferably, the material of the shallow box culvert structure is reinforced concrete.
Preferably, the whole overflow dam is of a reinforced concrete structure and is formed by pouring after site formwork erection and steel bar binding;
or, the whole installation is carried out by integrally prefabricating in a factory and assisting a crane on site.
The invention has the beneficial effects that:
the invention can quickly inject the river water of the plain river network into adjacent landscape lakes in an ecological mode by natural kinetic energy in particular to natural environments with small fluctuation of water level in plain river network and coastal areas, thereby achieving the purposes of ecological environmental protection, functional satisfaction, economy and rationality and convenient use.
The conception, specific structure, and technical effects of the present invention will be further described with reference to the accompanying drawings to fully understand the objects, features, and effects of the present invention.
Drawings
Fig. 1 shows a schematic plan layout of an embodiment of the present invention.
Fig. 2 shows a schematic cross-sectional structure of an embodiment of the present invention.
Detailed Description
Examples
As shown in fig. 1 and 2, an ecological overflow dam for rapid water intake is provided between a river channel 1 and a landscape lake 2; comprises a lower dam body 3 which is positioned below the water level of a river channel 1 and is in a shallow box culvert structure;
the shallow box culvert structure is an underground structure with a thinner covering layer, which does not meet the arch forming condition of a pressure arch or the thickness of the covering layer in a soft soil stratum is smaller than the structural size.
The shallow box culvert structure is arranged in a porous group, and is internally provided with a sedimentation tank 4 and a replaceable filter core body 5;
the inlet of the sedimentation tank 4 faces the river channel 1, and a plurality of groups of water stop valves or cover plates 6 are arranged;
a sand setting tank 7 is arranged between the inlet and the river channel 1 at the position where water entering the inlet flows through;
a sand setting Chi Gang grid cover plate 8 is arranged at the upper opening of the sand setting tank 7;
a floating type dirt blocking net 9 is arranged on the sand setting Chi Gang grid cover plate 8;
the floating type dirt blocking net 9 is perpendicular to the flow direction of the water flow entering the inlet;
the outlet of the sedimentation tank 4 faces the landscape lake 2 and is provided with an outlet steel grid cover plate 10;
an upper dam 11 which is in a straight wall shape is arranged on the lower dam 3;
the top of the upper dam 11 is provided with a footpath 12 which is parallel to the river course 1 and is communicated with the river course 1 bank at the two ends of the dam;
the top of the shallow box culvert structure positioned at the side of the upper dam 11 facing the landscape lake 2 is provided with an inspection well 13 for daily maintenance.
The inner cavity structure of the shallow box culvert structure of the invention endows integrated functions of water diversion, precipitation, filtration and the like, the box culvert inner cavity serving as a water diversion channel enables a simple water diversion process to be energized and lifted into a water diversion and purification process by flexibly arranging the sedimentation tank 4 and one or more filter element bodies 5, the great promotion of the water quality of the landscape lake 2 is realized in a natural ecological mode, the sedimentation tank 4 is arranged in the middle of the inner cavity, and the water quality purification can be realized while the water is led.
The shallow box culvert structure entrance is provided with a plurality of groups of controllable water stop valves or cover plates 6, so that the sealing of flood control embankments can be met, the overflow dam can be in a closed state during flood control, and flood control safety is ensured.
The upper dam body 11 of the overflow dam is of a straight wall structure, is arranged on the side edge of the river bank, can be flexibly connected with the river bank 1 on the two sides, and can be combined with the river bank 1 in a fusion design.
The cross section scale of the box culvert cavity structure is generally reasonably determined according to the water diversion scale and the purifying filter body.
The invention realizes diversion, filtration and water purification promotion through a smart structure integrating multiple functions, can take materials locally according to local conditions, and achieves the aims of ecological environmental protection and scientific diversion by using ecological mode and natural kinetic energy.
In some embodiments, the filter element body 5 is disposed within the shallow box culvert structure proximate the inlet and/or outlet.
In certain embodiments, the filter element body 5 is graded crushed stone or medium coarse sand combined with geotechnical counter-filter cloth.
In some embodiments, the closed-up boundary of the filter element body 5 is a water permeable structure formed by gabion.
In certain embodiments, further comprising a mud pump; the sludge pump is used for cleaning and discharging sludge from the sedimentation tank 4.
In some embodiments, the sludge pump decontaminates and sludge drains the sedimentation tank 4 through a pipe provided in the inspection well 13.
In some embodiments, the material of the shallow box culvert structure is reinforced concrete.
In some embodiments, the whole overflow dam is of a reinforced concrete structure and is finished by pouring after site formwork erection and steel bar binding;
or, the whole installation is carried out by integrally prefabricating in a factory and assisting a crane on site.
The foregoing describes in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be made in accordance with the concepts of the invention by one of ordinary skill in the art without undue burden. Therefore, all technical solutions which can be obtained by logic analysis, reasoning or limited experiments based on the prior art by the person skilled in the art according to the inventive concept shall be within the scope of protection defined by the claims.
Claims (8)
1. The ecological overflow dam for quickly taking water is arranged between the river channel (1) and the landscape lake (2); the river channel is characterized by comprising a lower dam body (3) which is positioned below the water level of the river channel (1) and is in a shallow box culvert structure;
the shallow box culvert structure is arranged in a porous group, and is internally provided with a sedimentation tank (4) and a replaceable filter core body (5);
the inlet of the sedimentation tank (4) faces the river channel (1) and is provided with a plurality of groups of water stop valves or cover plates (6);
a sand setting tank (7) is arranged between the inlet and the river channel (1) at the position where water entering the inlet flows through;
a sand setting Chi Gang grid cover plate (8) is arranged at the upper opening of the sand setting tank (7);
a floating type dirt blocking net (9) is arranged on the settled sand Chi Gang grid cover plate (8);
the floating type dirt blocking net (9) is perpendicular to the flow direction of the water flow entering the inlet;
the outlet of the sedimentation tank (4) faces the landscape lake (2) and is provided with an outlet steel grid cover plate (10);
an upper dam body (11) which is in a straight wall shape is arranged on the lower dam body (3);
the top of the upper dam body (11) is provided with a footpath (12) which is parallel to the river channel (1) and is communicated with the river channel (1) at two ends of the dam;
the top of the shallow box culvert structure, which is positioned at one side of the upper dam body (11) facing the landscape lake (2), is provided with an inspection well (13) for daily maintenance.
2. Ecological overflow dam for rapid water intake according to claim 1, characterized in that the filter core (5) is arranged in the shallow box culvert structure close to the inlet and/or outlet.
3. The ecological overflow dam for rapid water intake according to claim 1, wherein the filter core (5) is graded crushed stone or medium coarse sand combined geotechnical counter-filter cloth.
4. Ecological overflow dam for rapid water intake according to claim 1, characterized in that the closing-in boundary of the filter core (5) is a water permeable structure formed by gabion.
5. The ecological overflow dam for rapid water intake according to claim 1, further comprising a sludge pump; the sludge pump is used for cleaning and discharging sludge from the sedimentation tank (4).
6. The ecological overflow dam for rapid water intake according to claim 5, wherein the sludge pump cleans and discharges sludge to the sedimentation tank (4) through a pipeline provided at the inspection well (13).
7. The ecological overflow dam for rapid water intake according to claim 1, wherein the material of the shallow box culvert structure is reinforced concrete.
8. The ecological overflow dam for quickly taking water according to claim 1, wherein the whole overflow dam is of a reinforced concrete structure and is formed by pouring after site formwork erection and steel bar binding;
or, the whole installation is carried out by integrally prefabricating in a factory and assisting a crane on site.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210661042.4A CN115030265B (en) | 2022-06-13 | 2022-06-13 | Ecological overflow dam for rapid water intake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210661042.4A CN115030265B (en) | 2022-06-13 | 2022-06-13 | Ecological overflow dam for rapid water intake |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115030265A CN115030265A (en) | 2022-09-09 |
| CN115030265B true CN115030265B (en) | 2023-06-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210661042.4A Active CN115030265B (en) | 2022-06-13 | 2022-06-13 | Ecological overflow dam for rapid water intake |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101545251A (en) * | 2009-03-18 | 2009-09-30 | 云南三环中化化肥有限公司 | Method for storing and getting water by blocking river on natural river course |
| CN206815479U (en) * | 2017-03-03 | 2017-12-29 | 张锦 | Landscape eddy flow arranges seepage well |
| CN110835165A (en) * | 2019-11-27 | 2020-02-25 | 河海大学 | Micro-polluted water body ecological purification system suitable for riverway type water source area |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140042103A1 (en) * | 2012-08-08 | 2014-02-13 | Kristar Enterprises, Inc. | Storm Water Filtration System Using Box Culverts |
| WO2015081516A1 (en) * | 2013-12-04 | 2015-06-11 | 江西省丰和营造集团有限公司 | Method for river/lake level regulation and water conservancy system |
-
2022
- 2022-06-13 CN CN202210661042.4A patent/CN115030265B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101545251A (en) * | 2009-03-18 | 2009-09-30 | 云南三环中化化肥有限公司 | Method for storing and getting water by blocking river on natural river course |
| CN206815479U (en) * | 2017-03-03 | 2017-12-29 | 张锦 | Landscape eddy flow arranges seepage well |
| CN110835165A (en) * | 2019-11-27 | 2020-02-25 | 河海大学 | Micro-polluted water body ecological purification system suitable for riverway type water source area |
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| CN115030265A (en) | 2022-09-09 |
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