CN214738637U - Water outlet structure of power plant - Google Patents
Water outlet structure of power plant Download PDFInfo
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- CN214738637U CN214738637U CN202120379168.3U CN202120379168U CN214738637U CN 214738637 U CN214738637 U CN 214738637U CN 202120379168 U CN202120379168 U CN 202120379168U CN 214738637 U CN214738637 U CN 214738637U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The utility model relates to a power plant outlet structure, include the outlet body that links to each other with drainage box culvert end, the bottom and the both sides side slope of outlet body set up the rock bank protection, and the outlet body end sets up the energy dissipation bank, and the top of energy dissipation bank exceeds outlet body bottom certain distance. Can effectively reduce the velocity of water flow, reduce rivers and erode the ability, prevent that the bubble from producing the visual pollution, also can effectively prevent the silt siltation for many functions such as energy dissipation, defoaming and scour protection silt can be realized to the outlet structure.
Description
Technical Field
The utility model relates to an electric power engineering hydraulic construction field specifically is a power plant outlet structure.
Background
At present, in direct current circulating drainage systems of domestic and foreign power plants, an open horn-shaped drainage port structure is adopted for drainage, water flow is concentrated in the drainage mode, the water flow speed is high, and river bottoms or sea bottoms of drainage areas are easy to wash away, so that the drainage port and surrounding building/structure materials are thinned, and the structural safety is influenced. Meanwhile, a large amount of bubbles are easily generated by concentrated water flow, the bubbles occupy the water flow volume to enable the drainage liquid level to be too high, visual pollution can be generated, the environmental evaluation acceptance difficulty of a power plant is increased, and defoaming measures are required to be adopted for drainage after environmental evaluation of many domestic power plant projects. In addition, when the traditional water outlet is used in a riverway or a sea area with more sediment, sedimentation is easy to occur, so that the normal operation of the water outlet is influenced.
SUMMERY OF THE UTILITY MODEL
To above-mentioned problem, the outlet structure of proposition sets up the piece stone bank protection that prevents rivers and erode in the bottom and both sides of U type outlet, sets up the energy dissipation bank that reduces rivers energy at the outlet end, and the peripheral region of outlet sets up and throws the stone and protect the end for the outlet structure can realize energy dissipation, defoaming, and prevent to dash multinomial functions such as silt.
One or more embodiments provide the following technical solutions:
the utility model provides a power plant outlet structure, includes the outlet body that links to each other with drainage box culvert end, and the bottom and the both sides side slope of outlet body set up the rock slope protection, and the outlet body end sets up the energy dissipation bank, and energy dissipation bank top exceeds outlet body top take the altitude.
The type of outlet body is U type, and the direction of U type opening is towards the energy dissipation bank of outlet body end.
The bottom height of the water outlet body is flush with the bottom plate height of the drainage box culvert.
The top of the side slopes at two sides of the water outlet body is provided with a sand blocking ridge.
The sand blocking ridge is filled with slope-type structure rock blocks, and the top of the sand blocking ridge is higher than a natural river bed or a sea bottom by a certain distance.
The arrangement direction of the energy dissipation bank is perpendicular to the water flow direction discharged from the water outlet body, and the energy dissipation bank is at a certain distance from the water outlet body.
The energy dissipation bank is filled with slope-type structure rock blocks, and the drainage water flow is blocked by the energy dissipation bank for dispersed discharge.
The bottom and the side slopes on two sides of the water outlet body are provided with rock block slope protection.
The periphery of the water outlet body is provided with a riprap bottom protector.
The stone slope protection and the riprap bottom protection are used for reducing the material thinning caused by the water flow scouring of the water outlet structure.
The above one or more technical solutions have the following beneficial effects:
1. the outlet can effectively reduce the velocity of water flow, reduces rivers and erodes the ability, prevents that the bubble from producing visual pollution, also can effectively prevent the silt siltation for many functions such as energy dissipation, defoaming and scour protection silt can be realized to the outlet structure.
2. A sand blocking ridge with the top higher than the natural river bed or the sea bottom by a certain height is arranged to prevent silt in river water or seawater from accumulating to influence drainage.
3. The energy dissipation bank of drainage rivers energy is eliminated in the setting, thereby makes drainage rivers stopped to be decomposed into stranded rivers, reduces the velocity of flow of rivers and erodees the ability, and then reduces the bubble of generation.
4. The stone slope protection and the riprap bottom protection are arranged to reduce the material thinning caused by water flow scouring on the side slopes and the bottom on the two sides of the water outlet structure.
Drawings
The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without unduly limiting the scope of the invention.
Fig. 1 is a schematic plan view of one or more embodiments of the present invention;
fig. 2 is a schematic cross-sectional structure provided by one or more embodiments of the present invention;
in the figure: 1. a water outlet body; 2. energy dissipation bank; 3. throwing stones to protect the bottom; 4. and (6) draining box culverts.
Detailed Description
The following detailed description is exemplary and is intended to provide further explanation of the invention as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
The first embodiment is as follows:
as shown in fig. 1-2, a water outlet structure of a power plant comprises a water outlet body 1 connected with the end of a water outlet box culvert 4, wherein the bottom and the side slopes on two sides of the water outlet body 1 are provided with rock slopes, the end of the water outlet body 1 is provided with an energy dissipation ridge 2, and the top height of the energy dissipation ridge 2 is greater than the bottom of the water outlet body 1.
The water outlet body 1 is a water outlet for a circulating water drainage system of a power plant, the type of the water outlet body 1 is U-shaped, and the U-shaped opening faces to an energy dissipation ridge 2 at the tail end of the water outlet body 1.
The water outlet body 1 is connected with the tail end of the drainage box culvert 4, and the bottom of the water outlet body 1 is flush with the bottom plate of the drainage box culvert 4, so that smooth drainage is ensured.
The top parts of side slopes at two sides of the water outlet body 1 are provided with sand blocking ridges for preventing silt from silting up; the sand blocking ridge is of a slope type structure, and filled with rock blocks, and the top of the sand blocking ridge is higher than a natural river bed or sea bed by a certain height, so that sediment in river water or seawater is prevented from accumulating and affecting drainage.
The tail end of the water outlet body 1 is provided with an energy dissipation ridge 2 for dissipating energy of drainage; the arrangement direction of the energy dissipation bank 2 is perpendicular to the water flow direction of the water outlet body 1, and the energy dissipation bank 2 has a certain distance from the water outlet body 1; energy dissipation bank 2 adopts ramp type structure, and the rock is filled, and energy dissipation bank 2 top exceeds the take out port body 1 top take the altitude, and the take out port body 1 top elevation is less than the take out port body 2 top elevation promptly, makes the drainage rivers along the three direction dispersion emission of take out port body 1 court forward, left and right, and then reduces the rivers velocity of flow, reduces rivers and erodees the ability, effectively prevents the bubble and produces.
Drainage rivers flow through drainage box culvert 4 and flow forward by outlet body 1 outflow, because of having set up energy dissipation bank 2, thereby partial rivers can be blockked and change the flow direction, flow to the both sides of energy dissipation bank 2, two directions about promptly, another partial rivers then cross the energy dissipation bank and continue to flow forward, rivers are blockked the process that changes the flow direction and are accompanied with the process that reduces the velocity of flow, thereby reduce the ability that rivers erode the outlet, the velocity of flow reduces and means that gas is difficult to more is drawn into by rivers, thereby prevent that the bubble from producing.
The bottom and the side slopes on the two sides of the water outlet body 1 adopt block stone slope protection for preventing water flow from scouring, and the periphery of the water outlet body 1 is provided with a riprap bottom protection 3 for preventing water flow from scouring the natural riverbed or seabed. The stone slope protection and the riprap bottom protection 3 are used for reducing the material thinning caused by the water flow scouring on the water outlet.
The outlet can effectively reduce the velocity of water flow, reduces rivers and erodes the ability, prevents that the bubble from producing visual pollution, also can effectively prevent the silt siltation for many functions such as energy dissipation, defoaming and scour protection silt can be realized to the outlet structure.
Although the present invention has been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and those skilled in the art should understand that various modifications or variations that can be made by those skilled in the art without inventive work are still within the scope of the present invention.
Claims (10)
1. A power plant outlet structure characterized by: including the outlet body, the bottom and the both sides side slope of outlet body set up the rock block bank protection, and the outlet body end sets up the energy dissipation bank, and energy dissipation bank top exceeds outlet body top certain distance, and the direction of arranging of energy dissipation bank is mutually perpendicular with outlet body exhaust water flow direction.
2. A water discharge outlet structure for power plants according to claim 1, wherein: the type of outlet body is the U type, and the direction of U type opening is towards the energy dissipation bank at outlet body end.
3. A water discharge outlet structure for power plants according to claim 1, wherein: the water outlet body is connected with the tail end of the drainage box culvert, and the bottom height of the water outlet body is flush with the bottom plate height of the drainage box culvert.
4. A water discharge outlet structure for power plants according to claim 1, wherein: and sand blocking ridges are arranged at the tops of side slopes on two sides of the water outlet body.
5. A water discharge outlet structure for power plants according to claim 4, wherein: the sand blocking ridge is filled with slope-type structure rock blocks, and the top of the sand blocking ridge is higher than a natural river bed or a sea bottom by a certain distance.
6. A water discharge outlet structure for power plants according to claim 1, wherein: the energy dissipation ridge is at a certain distance from the water outlet body.
7. A water discharge outlet structure for power plants according to claim 6, wherein: the energy dissipation bank is filled with slope-type structure rock blocks, and the drainage water flow is blocked by the energy dissipation bank for dispersed discharge.
8. A water discharge outlet structure for power plants according to claim 1, wherein: the bottom and the side slopes on two sides of the water outlet body are provided with block stone slope protection.
9. A water discharge outlet structure for power plants according to claim 8, wherein: and a riprap bottom protector is arranged in the peripheral area of the water outlet body.
10. A water discharge outlet structure for power plants according to claim 9, wherein: the stone bank protection and the riprap bottom protection are used for reducing the material thinning caused by the water flow scouring of the water outlet structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120379168.3U CN214738637U (en) | 2021-02-19 | 2021-02-19 | Water outlet structure of power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120379168.3U CN214738637U (en) | 2021-02-19 | 2021-02-19 | Water outlet structure of power plant |
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| CN214738637U true CN214738637U (en) | 2021-11-16 |
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| CN202120379168.3U Active CN214738637U (en) | 2021-02-19 | 2021-02-19 | Water outlet structure of power plant |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113981916A (en) * | 2021-12-08 | 2022-01-28 | 水利部交通运输部国家能源局南京水利科学研究院 | Energy dissipater for water outlet of thermonuclear power plant |
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2021
- 2021-02-19 CN CN202120379168.3U patent/CN214738637U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113981916A (en) * | 2021-12-08 | 2022-01-28 | 水利部交通运输部国家能源局南京水利科学研究院 | Energy dissipater for water outlet of thermonuclear power plant |
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