CN109098149A - A kind of small hydropower station water inlet sand prevention sand-removal device - Google Patents
A kind of small hydropower station water inlet sand prevention sand-removal device Download PDFInfo
- Publication number
- CN109098149A CN109098149A CN201811281111.9A CN201811281111A CN109098149A CN 109098149 A CN109098149 A CN 109098149A CN 201811281111 A CN201811281111 A CN 201811281111A CN 109098149 A CN109098149 A CN 109098149A
- Authority
- CN
- China
- Prior art keywords
- grid
- water inlet
- silt
- weir
- silt case
- Prior art date
- 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.)
- Granted
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 31
- 230000002265 prevention Effects 0.000 title claims abstract description 14
- 239000004576 sand Substances 0.000 title claims abstract description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 241000216843 Ursus arctos horribilis Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B5/00—Artificial water canals, e.g. irrigation canals
- E02B5/08—Details, e.g. gates, screens
- E02B5/085—Arresting devices for waterborne materials, e.g. gratings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Barrages (AREA)
- Hydraulic Turbines (AREA)
Abstract
The invention discloses a kind of small hydropower station water inlet sand prevention sand-removal devices, it includes the vertical canal weir in horizontal dam bottom and dam bottom two sides, one of horizontal triangular-notch weir is equipped between the top surface weir Shang Qu at dam bottom, silt case is equipped in the side of triangular-notch weir, grid is equipped in the top of silt case, fixed frame is fixedly installed on the inner sidewall on canal weir, bracket moving up and down is connected in fixed frame, cross bar is fixedly connected between the top of two brackets, the top of grid is fixedly connected on cross bar by two support frames, the bottom end of grid is fixedly connected on the middle and lower part of bracket, the side of silt case is fixedly connected on the bottom of bracket, the bottom end of grid and the top contact aside of silt case.It is to be arranged simply to have removable filter grid aperture plate and silt case in the water inlet in power station, can intercept the silt of water inlet and be purged in silt case, then periodically, effectively avoid silt and enter in Hydropower Plant, achieve good effect.
Description
Technical field
The present invention relates to a kind of small hydropower station more particularly to a kind of small hydropower station water inlet sand prevention sand-removal devices, belong to
In water conservancy and hydropower equipment technical field.
Background technique
Medium waterpower generator station also largely has use in the relatively backward mountain area of economy, it is one kind to national bulk power grid electric power
Effective supplement, contribute for the economic developments of backward areas, but since general medium waterpower generator station is all built in
Mountain area area can accumulate silt in the water outlet of dam, on the one hand can reduce power station in use process year in year out
Effective storage, on the other hand will also result in silt and enter in water turbine set, power station equipment is damaged, hydroelectric machine is reduced
The service life of group.
Summary of the invention
The technical problem to be solved by the present invention is provide a kind of small hydropower station water inlet sand prevention sand-removal device, it be
The water inlet setting in power station simply has removable filter grid aperture plate and silt case, can intercept the silt of water inlet
It in silt case, then is periodically purged, effectively avoids silt and enter in Hydropower Plant, solve above-mentioned ask
Topic.
The technical solution of the present invention is as follows: a kind of small hydropower station water inlet sand prevention sand-removal device, it includes horizontal dam bottom
The vertical canal weir with dam bottom two sides is equipped with one of horizontal triangular-notch weir between the top surface weir Shang Qu at the dam bottom, in triangular-notch weir
Side is equipped with silt case, is equipped with grid in the top of silt case, fixed frame is fixedly installed on the inner sidewall on canal weir, described
It is connected with bracket moving up and down in fixed frame, cross bar is fixedly connected between the top of two brackets, grid
Top is fixedly connected on cross bar by two support frames, and the bottom end of grid is fixedly connected on the middle and lower part of bracket, silt case
Side be fixedly connected on the bottom of bracket, the bottom end of grid and the top contact aside of silt case.
The cross section of the triangular-notch weir is triangular structure, meets water (flow) direction in the side of triangular-notch weir and is equipped with inclined inclined-plane,
The top of triangular-notch weir is equipped with arcwall face.
The grid is top to the curved arcuate structure of water (flow) direction, and grid is by several vertical grille strips and cross
To reinforcing rib be formed by fixedly connecting.
The fixed frame is channel steel structure, and bracket is located in the slot of channel steel, is fixedly connected with level on the top of fixed frame
Hanger, be connected with cucurbit on hanger.
The silt case is open-topped rectangular case structure, and the bottom of silt case is equipped with filtration hole, the top of silt case
Side is located at the lower section of arcwall face.
The beneficial effects of the present invention are: compared with prior art, the water inlet using technical solution of the present invention, in power station
The filter grid aperture plate and silt case that setting easily can be removed at mouthful can intercept the silt of water inlet in silt case, then
It is periodically purged, effectively avoids silt and enter in Hydropower Plant, avoid the water that medium waterpower generator station power generation uses
There are a large amount of sedimentations in dam, damage to power station and Hydropower Unit bring in use, and collecting box can be with
Disassembly cleaning, pre- sediment prevention accumulation, extends the service life of Hydropower Unit, achieve makes well to a certain extent in this way
Use effect.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is side view of the present invention；
Fig. 3 is top view of the present invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below with reference to this specification attached drawing to this hair
It is bright to be described in further detail.
Embodiment 1: as shown in attached drawing 1~3, a kind of small hydropower station water inlet sand prevention sand-removal device, it includes horizontal
The vertical canal weir 6 in dam bottom 12 and 12 two sides of dam bottom is equipped with one of horizontal triangular-notch weir between the top surface weir Shang Qu 6 at the dam bottom 12
4, it is equipped with silt case 3 in the side of triangular-notch weir 4, is equipped with grid 5 in the top of silt case 3, it is fixed on the inner sidewall on canal weir 6
It is provided with fixed frame 1, bracket 2 moving up and down is connected in the fixed frame 1, is consolidated between the top of two brackets 2
Surely it is connected with cross bar 10, the top of grid 5 is fixedly connected on cross bar 10 by two support frames 7, and the bottom end of grid 5 is solid
Surely it is connected to the middle and lower part of bracket 2, the side of silt case 3 is fixedly connected on the bottom of bracket 2, the bottom end of grid 5 and silt
The top contact aside of case 3.
Further, the cross section of triangular-notch weir 4 is triangular structure, meets water (flow) direction equipped with inclined in the side of triangular-notch weir 4
Inclined-plane 14 is equipped with arcwall face 13 at the top of triangular-notch weir 4.
Further, grid 5 is top to the curved arcuate structure of water (flow) direction, and grid 5 is by several vertical lattice
Grizzly bar and the reinforcing rib 11 of transverse direction are formed by fixedly connecting.
Further, fixed frame 1 is channel steel structure, and bracket 2 is located in the slot of channel steel, in the fixed company in the top of fixed frame 1
It is connected to horizontal hanger 9, is connected with cucurbit 8 on hanger 9.Grid 5 and silt case 3 can be lifted with cucurbit 8, cleared up in
Portion's silt.
Further, silt case 3 is open-topped rectangular case structure, and the bottom of silt case 3 is equipped with filtration hole, silt
The top margin of case 3 is located at the lower section of arcwall face 13.
In the present embodiment, the reinforcement welding that grid 5 and silt case 3 are all made of φ 10 forms, and is welded on side
Reinforcing rib carries out consolidation process, and the spacing between the reinforcing bar of silt case 3 is 10~20mm, the spacing between the reinforcing bar of grid 5
For 20~30mm, the floating material and silt of all size can be intercepted, ensures the normal operation in power station, it can also be in fixed frame
Camera is installed on 1 top, is monitored in real time to the operating condition of water inlet, can be at discovery in time if there is special circumstances
Reason.
The filter grid aperture plate and silt case that water inlet setting in power station easily can be removed, can be by water inlet
Silt interception is purged in silt case, then periodically, is effectively avoided silt and is entered in Hydropower Plant, avoids medium and small
There are a large amount of sedimentations in the dam that type hydropower station uses, to power station and Hydropower Unit bring in use
Damage, and collecting box can dismantle cleaning, and pre- sediment prevention accumulation extends the use of Hydropower Unit to a certain extent in this way
Service life achieves good using effect.
Place is not described in detail by the present invention, is the well-known technique of those skilled in the art of the present technique.Finally, it is stated that the above reality
It applies example to be only used to illustrate the technical scheme of the present invention and not to limit it, although having carried out specifically the present invention referring to preferred embodiment
It is bright, those skilled in the art should understand that, can with modification or equivalent replacement of the technical solution of the present invention are made, and
The objective and range for not departing from technical solution of the present invention, are intended to be within the scope of the claims of the invention.
Claims (5)
1. a kind of small hydropower station water inlet sand prevention sand-removal device, it includes that horizontal dam bottom (12) He Badi (12) two sides are vertical
Canal weir (6), it is characterised in that: between the top surface weir Shang Qu (6) of the dam bottom (12) be equipped with one of horizontal triangular-notch weir (4),
Silt case (3) are equipped in the side of triangular-notch weir (4), grid (5) are equipped in the top of silt case (3), in the inside of (6) Qu Yan
It is fixedly installed fixed frame (1), is connected with bracket moving up and down (2) in the fixed frame (1), two brackets on wall
(2) it is fixedly connected between top cross bar (10), the top of grid (5) is fixedly connected on cross by two support frames (7)
On bar (10), the bottom end of grid (5) is fixedly connected on the middle and lower part of bracket (2), and the side of silt case (3) is fixedly connected on branch
The bottom of frame (2), the bottom end of grid (5) and the top contact aside of silt case (3).
2. small hydropower station water inlet sand prevention sand-removal device according to claim 1, it is characterised in that: the triangular-notch weir
(4) cross section is triangular structure, meets water (flow) direction equipped with inclined inclined-plane (14), in triangle in the side of triangular-notch weir (4)
The top on weir (4) is equipped with arcwall face (13).
3. small hydropower station water inlet sand prevention sand-removal device according to claim 1, it is characterised in that: the grid
It (5) is top to the curved arcuate structure of water (flow) direction, grid (5) is by several vertical grille strips and the reinforcing rib of transverse direction
(11) it is formed by fixedly connecting.
4. small hydropower station water inlet sand prevention sand-removal device according to claim 1, it is characterised in that: the fixed frame
It (1) is channel steel structure, bracket (2) is located in the slot of channel steel, horizontal hanger (9) are fixedly connected on the top of fixed frame (1),
Cucurbit (8) are connected on hanger (9).
5. small hydropower station water inlet sand prevention sand-removal device according to claim 1, it is characterised in that: the silt case
It (3) is open-topped rectangular case structure, the bottom of silt case (3) is equipped with filtration hole, and the top margin of silt case (3) is located at arc
The lower section in face (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811281111.9A CN109098149B (en) | 2018-10-30 | 2018-10-30 | Sand prevention and removal device for water inlet of small hydropower station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811281111.9A CN109098149B (en) | 2018-10-30 | 2018-10-30 | Sand prevention and removal device for water inlet of small hydropower station |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109098149A true CN109098149A (en) | 2018-12-28 |
| CN109098149B CN109098149B (en) | 2024-08-20 |
Family
ID=64869816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811281111.9A Active CN109098149B (en) | 2018-10-30 | 2018-10-30 | Sand prevention and removal device for water inlet of small hydropower station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109098149B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114541338A (en) * | 2020-11-24 | 2022-05-27 | 贺行龙 | Anti-blocking device for agricultural irrigation diversion canal |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2654757A1 (en) * | 1989-11-17 | 1991-05-24 | Electricite De France | Grating for a water intake |
| CN101187206A (en) * | 2007-12-25 | 2008-05-28 | 中国水电顾问集团中南勘测设计研究院 | Hydropowerstation water inlet sand-discharging facility |
| CN205617339U (en) * | 2016-04-10 | 2016-10-05 | 泉州市中研智能机电研究院有限公司 | Husky device is arranged in power station water inlet scrubbing |
| CN209011089U (en) * | 2018-10-30 | 2019-06-21 | 贵州大学 | A kind of small hydropower station water inlet sand prevention sand-removal device |
-
2018
- 2018-10-30 CN CN201811281111.9A patent/CN109098149B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2654757A1 (en) * | 1989-11-17 | 1991-05-24 | Electricite De France | Grating for a water intake |
| CN101187206A (en) * | 2007-12-25 | 2008-05-28 | 中国水电顾问集团中南勘测设计研究院 | Hydropowerstation water inlet sand-discharging facility |
| CN205617339U (en) * | 2016-04-10 | 2016-10-05 | 泉州市中研智能机电研究院有限公司 | Husky device is arranged in power station water inlet scrubbing |
| CN209011089U (en) * | 2018-10-30 | 2019-06-21 | 贵州大学 | A kind of small hydropower station water inlet sand prevention sand-removal device |
Non-Patent Citations (1)
| Title |
|---|
| 阮璐等: "高桥水电站取水口防沙设计", 《水利水电技术》, vol. 38, 31 December 2007 (2007-12-31), pages 91 - 94 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114541338A (en) * | 2020-11-24 | 2022-05-27 | 贺行龙 | Anti-blocking device for agricultural irrigation diversion canal |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109098149B (en) | 2024-08-20 |
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