CN220284738U - Gravel filtering and discharging structure for hydropower station - Google Patents
Gravel filtering and discharging structure for hydropower station Download PDFInfo
- Publication number
- CN220284738U CN220284738U CN202321842544.3U CN202321842544U CN220284738U CN 220284738 U CN220284738 U CN 220284738U CN 202321842544 U CN202321842544 U CN 202321842544U CN 220284738 U CN220284738 U CN 220284738U
- Authority
- CN
- China
- Prior art keywords
- sand
- culvert
- hydropower station
- discharging
- gate
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- 238000007599 discharging Methods 0.000 title claims abstract description 41
- 238000001914 filtration Methods 0.000 title claims abstract description 31
- 239000004576 sand Substances 0.000 claims abstract description 89
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 38
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 238000011144 upstream manufacturing Methods 0.000 claims description 6
- 230000000903 blocking effect Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 11
- 239000010865 sewage Substances 0.000 abstract description 4
- 238000004140 cleaning Methods 0.000 abstract description 3
- 238000009825 accumulation Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 7
- 239000004575 stone Substances 0.000 description 6
- 238000001556 precipitation Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
Classifications
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Landscapes
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The utility model provides a sand filtering and discharging structure for a hydropower station, which comprises a culvert and a sand discharging gate, wherein the culvert is arranged at a water outlet position of a reservoir of the hydropower station and is provided with at least one side surface presenting an inclined structure for enabling sand in water to fall into the bottom of the culvert from the side surface, and the bottom surface of the culvert is inclined from one side to the other side, so that sand falling into the bottom of the culvert is gathered to a sand outlet of the culvert by the bottom surface, and the sand discharging gate is arranged at the sand outlet. The sand filtering and discharging structure for the hydropower station not only realizes the sand filtering process of the water body and prevents the problem of inconvenient cleaning caused by sand accumulation on the sewage grid, but also realizes the sand guiding and discharging process. On the basis, the sand outlet is additionally provided with the sand discharging gate, sand is uniformly discharged by opening the gate, and the sand discharging gate adopts an electric mode so as to be convenient to operate.
Description
Technical Field
The utility model relates to the technical field of sand removal of hydropower stations, in particular to a sand filtering and discharging structure for hydropower stations.
Background
The hydropower station consists of a hydraulic system, a mechanical system, an electric energy generating device and the like, is a hydraulic junction project for converting water energy into electric energy, and the sustainability of electric energy production requires the water energy of the hydropower station to be utilized uninterruptedly.
The reservoir water outlet position of the hydropower station is usually provided with a diversion underdrain, and part of water enters the rest pipeline system communicated with the diversion underdrain from the diversion underdrain so as to be used for water cooling of power generation equipment and the like. However, in the prior art, a drain grating is typically provided on the underdrain to keep sand in the water from following the body of water into the remaining ductwork. The sand and gravel filtered off from the sewage grid needs to be cleaned manually and regularly in the mode, and when the sewage grid is in the rapid water period, the cleaning mode is dangerous and time-consuming and labor-consuming.
Disclosure of Invention
The present utility model aims to solve at least one of the technical problems existing in the prior art.
Therefore, the utility model provides a sand filtering and discharging structure for a hydropower station.
The utility model provides a sand filtering and discharging structure for a hydropower station, which comprises a culvert and a sand discharging gate, wherein the culvert is arranged at a water outlet position of a reservoir of the hydropower station and is provided with at least one side surface presenting an inclined structure for enabling sand in water to fall into the bottom of the culvert from the side surface, and the bottom surface of the culvert is inclined from one side to the other side, so that sand falling into the bottom of the culvert is gathered to a sand outlet of the culvert by the bottom surface, and the sand discharging gate is arranged at the sand outlet.
The sand filtering and discharging structure for the hydropower station comprises a culvert and a sand discharging gate. The culvert is opened in the play water position of reservoir to be located the upper reaches of diversion underdrain, at least one side wall surface of culvert presents the slope structure, and when the water flow was crossed the culvert, its inside grit was fallen into the bottom of culvert by slope side wall surface with the mode of precipitation, so realized the grit filtration process of water. When the grit falls into the culvert in, the bottom of culvert presents slope structure equally, because the bottom surface of dead weight is rolled from one side to the opposite side through the bottom surface of slope, until it gathers in the play sand mouth department that is located culvert one side, the grit filtration process of water has not only been realized to above-mentioned process, prevents that the grit from piling up on the blowdown bars and causes the inconvenient problem of clearance, has still realized the drainage process of grit moreover. On the basis, the sand outlet is additionally provided with the sand discharging gate, sand is uniformly discharged by opening the gate, and the sand discharging gate adopts an electric mode so as to be convenient to operate.
According to the technical scheme, the sand filtering and discharging structure for the hydropower station can be provided with the following additional technical characteristics:
in the above technical solution, the sand discharge gate includes:
the water retaining frames are arranged at two sides of the sand outlet;
the driving structure is arranged at the top of the water blocking frame;
the gate is connected to the driving end of the driving structure, and the driving structure drives the gate to do lifting motion so as to close or open the sand outlet.
In this technical scheme, grit discharge gate comprises manger plate frame, drive structure and gate. Wherein, the manger plate frame is the structure of portal frame, and drive structure installs in the top of portal frame, and drive structure's drive end assembly gate realizes the lift process of gate through drive structure to open or close the sand outlet. The process does not need to be manually participated, and the convenience of operation is improved in an electric mode.
In the above technical scheme, the side surface of the culvert having an inclined structure is a smooth surface.
In this technical scheme, in order to guarantee the grit subsides and fall into the efficiency of culvert, the side that the culvert presents the slope structure is smooth surface, avoids the grit to pile up in the side and loses the filter effect.
In the technical scheme, the side face of the culvert, which is of an inclined structure, is provided with the steel plate in a bonding mode.
In this technical scheme, lay the steel sheet at the slope side of culvert, the steel sheet can guarantee the smoothness of side, can realize wear-resisting effect again.
In the technical scheme, the diversion underdrain is arranged at the water outlet position of the reservoir of the hydropower station, and the culvert is positioned at the upstream of the diversion underdrain.
In the technical scheme, the culvert is arranged at the upstream of the diversion underdrain, sand and stone in the water body can be guaranteed to settle in the culvert, and therefore the sand and stone can be prevented from entering the diversion underdrain to cause blockage of the diversion underdrain.
In the technical scheme, a drain grid is paved at the opening position of the diversion underdrain.
In this technical scheme, as background art, be provided with the blowdown bars on the diversion underdrain, the blowdown bars plays the filterable effect of grit generally, because the leading filter effect of culvert can avoid the grit to pile up the condition at the blowdown bars in a large number to reduce the frequency that the manual work was cleared, guarantee personnel's safety.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, or may be learned by practice of the utility model.
Drawings
The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic top view of a sand filter discharge structure for a hydropower station of the present utility model;
FIG. 2 is a side cross-sectional view of a culvert in the sand filter discharge structure for a hydropower station of the present utility model;
FIG. 3 is a side view of a sand discharge gate in the sand filter discharge structure for a hydropower station of the present utility model.
The correspondence between the reference numerals and the component names in fig. 1 to 3 is:
1. culvert; 101. a side surface; 1011. a steel plate; 102. a bottom surface; 103. a sand outlet; 2. a sand discharge gate; 201. a water blocking frame; 202. a driving structure; 203. a gate; 3. diversion underdrain; 4. a sewage gate.
Detailed Description
In order that the above-recited objects, features and advantages of the present utility model will be more clearly understood, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced otherwise than as described herein, and therefore the scope of the present utility model is not limited to the specific embodiments disclosed below.
A sand filtering and discharging structure for a hydropower station according to some embodiments of the present utility model will be described with reference to fig. 1 to 3.
Some embodiments of the present application provide a sand filtering and discharging structure for a hydropower station.
As shown in fig. 1 to 3, a first embodiment of the present utility model provides a sand filtering and discharging structure for a hydropower station, which includes a culvert 1 and a sand discharging gate 2, wherein the culvert 1 is opened at a water outlet position of a reservoir of the hydropower station, the culvert 1 has at least one side 101 with an inclined structure for sand in water to fall into a bottom of the culvert 1 from the side 101, and a bottom surface 102 of the culvert 1 is inclined from one side to the other, so that the sand falling into the bottom of the culvert 1 is collected by the bottom surface 102 to a sand outlet 103 of the culvert 1, and the sand discharging gate 2 is disposed at the sand outlet 103.
The utility model provides a sand filtering and discharging structure for a hydropower station, which comprises a culvert 1 and a sand discharging gate 2. The culvert 1 is arranged at the water outlet position of the reservoir and is positioned at the upstream of the diversion underdrain 3, at least one side wall surface of the culvert 1 is of an inclined structure, and when water flows through the culvert 1, sand and stone in the culvert falls into the bottom of the culvert 1 from the inclined side wall surface in a precipitation manner, so that the sand and stone filtering process of the water body is realized. When the grit falls into culvert 1 in, the bottom of culvert 1 presents slope structure equally, because the reason of dead weight, the grit rolls from one side to the opposite side via inclined bottom surface 102 until it gathers in the play sand mouth 103 department that is located culvert 1 one side, and the grit filtration process of water has not only been realized to above-mentioned process, prevents that the grit from piling up on blowdown bars 4 and causing the inconvenient problem of clearance, has still realized the drainage process of grit moreover. On the basis, the sand outlet 103 is additionally provided with the sand discharging gate 2, sand is uniformly discharged by opening the gate 203, and the sand discharging gate 2 adopts an electric mode so as to be convenient to operate.
A second embodiment of the present utility model provides a sand filtering and discharging structure for a hydropower station, and on the basis of the first embodiment, the sand discharging gate 2 includes:
water blocking frames 201 arranged at two sides of the sand outlet 103;
a driving structure 202 disposed on the top of the water guard 201;
and a gate 203 connected to the driving end of the driving structure 202, wherein the driving structure 202 drives the gate 203 to perform lifting motion to close or open the sand outlet 103.
In this embodiment, the sand discharge gate 2 is constituted by a water deflector 201, a driving structure 202 and a gate 203. Wherein, the manger plate frame 201 is the structure of portal frame, and drive structure 202 installs in the top of portal frame, and drive end assembly gate 203 of drive structure 202 realizes the lift process of gate 203 through drive structure 202 to open or close sand outlet 103. The process does not need to be manually participated, and the convenience of operation is improved in an electric mode.
A third embodiment of the present utility model provides a sand filtering and discharging structure for a hydropower station, and on the basis of any of the above embodiments, the side 101 of the culvert 1 having an inclined structure is a smooth surface.
In this embodiment, in order to ensure the sand sedimentation and the efficiency of falling into the culvert 1, the side face 101 of the culvert 1 having an inclined structure is a smooth surface, so that sand is prevented from accumulating on the side face 101 and losing the filtering effect.
A fourth embodiment of the present utility model provides a sand filtering and discharging structure for a hydropower station, wherein, in addition to any of the above embodiments, the side 101 of the culvert 1 having an inclined structure is provided with a steel plate 1011 in a bonding manner.
In this embodiment, steel sheet 1011 is laid on inclined side surface 101 of culvert 1, and steel sheet 1011 can achieve both the smoothness of side surface 101 and the abrasion-resistant effect.
The fifth embodiment of the present utility model provides a gravel filtering and discharging structure for a hydropower station, and on the basis of any one of the above embodiments, a diversion underdrain 3 is provided at a water outlet position of a reservoir of the hydropower station, and the culvert 1 is located upstream of the diversion underdrain 3.
In the embodiment, the culvert 1 is arranged at the upstream of the diversion underdrain 3, so that sand and stones in the water body can be guaranteed to be settled in the culvert 1, and the sand and stones are prevented from entering the diversion underdrain 3 to cause blockage of the diversion underdrain 3.
The sixth embodiment of the present utility model provides a sand filtering and discharging structure for a hydropower station, and on the basis of any one of the above embodiments, a drain grid 4 is laid at the opening position of the diversion underdrain 3.
In this embodiment, as described in the background art, the drainage grating 4 is disposed on the diversion underdrain 3, and the drainage grating 4 generally plays a role in filtering sand, and due to the pre-filtering effect of the culvert 1, the sand can be prevented from being accumulated in the drainage grating 4 in a large amount, so that the frequency of manual cleaning is reduced, and the safety of personnel is ensured.
In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (6)
1. The utility model provides a gravel filtering and discharging structure for hydropower station, its characterized in that includes culvert (1) and gravel discharging gate (2), the reservoir water outlet position at hydropower station is seted up in culvert (1), culvert (1) has at least one side (101) that presents slope structure, so that be used for the grit in the water by side (101) fall into the bottom of culvert (1), and the bottom surface (102) of culvert (1) are by one side to the opposite side slope, so that fall into the grit of culvert (1) bottom by bottom surface (102) collect extremely sand outlet (103) of culvert (1), gravel discharging gate (2) set up sand outlet (103).
2. The sand filter discharge structure for a hydroelectric power station according to claim 1, wherein the sand discharge gate (2) comprises:
the water retaining frames (201) are arranged on two sides of the sand outlet (103);
the driving structure (202) is arranged at the top of the water blocking frame (201);
the gate (203) is connected to the driving end of the driving structure (202), and the driving structure (202) drives the gate (203) to perform lifting motion so as to close or open the sand outlet (103).
3. The sand filtering and discharging structure for a hydropower station according to claim 2, wherein the side surface (101) of the culvert (1) having an inclined structure is a smooth surface.
4. A sand filtering and discharging structure for a hydropower station according to claim 3, characterized in that the side face (101) of the culvert (1) having an inclined structure is provided with a steel plate (1011) in a bonding manner.
5. The gravel filtering and discharging structure for a hydropower station according to claim 4, wherein a diversion underdrain (3) is provided at a water outlet position of a reservoir of the hydropower station, and the culvert (1) is located upstream of the diversion underdrain (3).
6. The sand filtering and discharging structure for a hydropower station according to claim 5, wherein a drain grid (4) is laid at the opening position of the diversion underdrain (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321842544.3U CN220284738U (en) | 2023-07-13 | 2023-07-13 | Gravel filtering and discharging structure for hydropower station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321842544.3U CN220284738U (en) | 2023-07-13 | 2023-07-13 | Gravel filtering and discharging structure for hydropower station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220284738U true CN220284738U (en) | 2024-01-02 |
Family
ID=89340481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321842544.3U Active CN220284738U (en) | 2023-07-13 | 2023-07-13 | Gravel filtering and discharging structure for hydropower station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220284738U (en) |
-
2023
- 2023-07-13 CN CN202321842544.3U patent/CN220284738U/en active Active
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| GR01 | Patent grant |