CN109797721A - A kind of water flow energy dissipator - Google Patents
A kind of water flow energy dissipator Download PDFInfo
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- CN109797721A CN109797721A CN201910173988.4A CN201910173988A CN109797721A CN 109797721 A CN109797721 A CN 109797721A CN 201910173988 A CN201910173988 A CN 201910173988A CN 109797721 A CN109797721 A CN 109797721A
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- 239000000463 material Substances 0.000 claims abstract description 7
- 230000008602 contraction Effects 0.000 claims description 45
- 230000000903 blocking effect Effects 0.000 claims description 38
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 230000000295 complement effect Effects 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 238000010276 construction Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 2
- 244000010375 Talinum crassifolium Species 0.000 description 1
- 235000015055 Talinum crassifolium Nutrition 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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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
- 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
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Abstract
The present invention relates to a kind of water flow energy dissipators, belong to hydraulic engineering field.The present invention includes water inlet slope, force reduction pool bottom, tail sill, abutment wall, energy dissipating unit；Force reduction pool bottom one end connection water inlet slope, the force reduction pool bottom other end connect tail sill, and force reduction pool bottom two sides are equipped with abutment wall, and same level is equipped with 3-5 energy dissipating unit between two abutment walls.The present invention passes through the energy offset of water flow itself, achievees the purpose that water flow energy dissipating；Structure is simple, is conducive to implement, solves the problems, such as that the Construction Arrangement of conventional stilling pond is too long, reduce the arrangement areas of stilling pond；Material therefor easily obtains and durability is good.
Description
Technical field
The present invention relates to a kind of water flow energy dissipators, belong to hydraulic engineering field.
Background technique
In water conservancy and hydropower discharge structure, energy dissipating is the significant task that discharge structure undertakes, i.e., safety is led off extra
The stream that sluices under strict control while flood washes away dam body and Excavation of Downstream Foundation Pit, prevents dam body from destroying and dam foundation unstability.Especially
For high water head, big flow Flood-relief project, there is bottom plate underflow speed, fluctuation pressure is larger, erosion protection difficulty is big, required
Stilling pond size is big and high cost problem, therefore always exists limitation to the research and engineer application of this energy dissipation type.
Lower sluicing stream energy to be concentrated, for stilling pond by the insufficient water flow Dissipation of Energy of boundary landform limited length, energy dissipating difficulty is larger,
Often occur the water flow impact pressure relatively concentrated and phenomenon of surging at end sill.However under technical support at this stage, we are to new
The demand of type stilling pond is very big.
Summary of the invention
The present invention provides a kind of water flow energy dissipators, for carrying out energy dissipating to high-velocity flow.
The technical scheme is that a kind of water flow energy dissipator, including water inlet slope 1, force reduction pool bottom 2, tail sill 3,
Abutment wall 8, energy dissipating unit；
2 one end of force reduction pool bottom connection water inlet slope 1,2 other end of force reduction pool bottom connection tail sill 3,2 liang of force reduction pool bottom
Side is equipped with abutment wall 8, and same level is equipped with 3-5 energy dissipating unit between two abutment walls.
The water inlet slope 1 can be set to two kinds of forms, and one is bank slopes, and one is curved surface slopes.
The bottom plate 2 is with a thickness of 0.3m-0.5m.
3 height of tail sill takes 0.7m, convenient for keeping pond depth and eliminating the complementary energy of end water.
The energy dissipating unit includes flow distribution plate 4, contraction section 5, rotation axis 6, water blocking impeller 7, and flow distribution plate 4 is set to stilling pond
It is between 2 two abutment walls of upside of bottom plate and parallel with force reduction pool bottom 2；Contraction section 5 is set between force reduction pool bottom 2 and flow distribution plate 4,
The wide beginning of contraction section 5 is placed close to water inlet 1 end of slope, and the narrow end of contraction section 5 is placed close to 3 end of tail sill；Rotation axis 6 is set to two
Close to the narrow end of contraction section 5 between abutment wall, 6 axis of rotation axis is parallel with flow distribution plate 4；Rotation axis 6 is equipped with water blocking impeller 7, gear
Waterleaf plate 7 drives rotation axis 6 to rotate under water impact.
The width of the flow distribution plate 4 takes 1.8m-5.6m, less than the width of stilling pond；Spacing between flow distribution plate 4 and bottom plate 2
0.5m-0.7m is taken, less than the half of depth of force reducing pool.
5 cross sectional shape of contraction section is rectangle, and 5 height of contraction section is the distance between bottom plate 2 and flow distribution plate 4, is shunk
5 width of section leniently gradually become smaller at beginning to narrow end, and width is maximum at wide beginning, take 2m-6m, and narrow end width is minimum, takes
1.6m-4.8m。
6 material of rotation axis is Q235 steel, and diameter takes 0.05m-0.1m, and 7 number of sheets of water blocking impeller in rotation axis 6 takes 4-
8, it is evenly arranged.
7 height of water blocking impeller takes 0.4m-0.6m, is less than spacing between flow distribution plate 4 and bottom plate 2,7 width of water blocking impeller
1.8m-5.2m is taken, the narrow terminal end width of contraction section 5 is not less than；7 thickness of water blocking impeller takes 0.02m-0.03m.
The beneficial effects of the present invention are: passing through the energy offset of high-velocity flow itself, reach the mesh to high-velocity flow energy dissipating
's；Structure is simple, is conducive to implement, solves the problems, such as that the Construction Arrangement of conventional stilling pond is too long, reduce the placement-face of stilling pond
Product；Material therefor easily obtains and durability is good.
Detailed description of the invention
Fig. 1 is the plan view of apparatus of the present invention；
Fig. 2 is the sectional view of apparatus of the present invention；
Each label in figure are as follows: 1- water inlet slope, 2- bottom plate, 3- tail sill, 4- flow distribution plate, 5- contraction section, 6- rotation axis, 7- water blocking leaf
Plate, 8- abutment wall.
Specific embodiment
With reference to the accompanying drawings and examples, the invention will be further described, but the contents of the present invention be not limited to it is described
Range.
Embodiment 1: as shown in Figs. 1-2, a kind of water flow energy dissipator, including water inlet slope 1, force reduction pool bottom 2, tail sill 3,
Abutment wall 8, energy dissipating unit；
2 one end of force reduction pool bottom connection water inlet slope 1,2 other end of force reduction pool bottom connection tail sill 3,2 liang of force reduction pool bottom
Side is equipped with abutment wall 8, and same level is equipped with 3 energy dissipating units between two abutment walls.
It can be set to two kinds of forms it is possible to further which the water inlet slope 1 is arranged, one is bank slopes, a kind of
It is curved surface slope.Bank slope is set as in the present embodiment.
It is possible to further which the bottom plate 2 is arranged with a thickness of 0.3m.The length of bottom plate 2 is a by the energy dissipating unit arranged
Number determines.
0.7m is taken it is possible to further which 3 height of tail sill is arranged, convenient for keeping pond depth and eliminating the complementary energy of end water.
Include flow distribution plate 4, contraction section 5, rotation axis 6, water blocking impeller 7 it is possible to further which the energy dissipating unit is arranged, divides
Flowing plate 4 is set between 2 two abutment walls of upside of force reduction pool bottom and parallel with force reduction pool bottom 2；Contraction section 5 is set to stilling pond bottom
Between plate 2 and flow distribution plate 4, the wide beginning of contraction section 5 is placed close to water inlet 1 end of slope, and the narrow end of contraction section 5 is put close to 3 end of tail sill
It sets；Rotation axis 6 is set between two abutment walls close to the narrow end of contraction section 5, and 6 axis of rotation axis is parallel with flow distribution plate 4；Rotation axis 6
It is equipped with water blocking impeller 7, water blocking impeller 7 drives rotation axis 6 to rotate under water impact.
1.8m is taken it is possible to further which the width of the flow distribution plate 4 is arranged, less than the width of stilling pond；Flow distribution plate 4 and bottom
Spacing takes 0.5m between plate 2, less than the half of depth of force reducing pool.
It is rectangle it is possible to further which 5 cross sectional shape of contraction section is arranged, 5 height of contraction section is bottom plate 2 and flow distribution plate
The distance between 4, leniently beginning gradually becomes smaller 5 width of contraction section to narrow end, and width is maximum at wide beginning, takes 2m, narrow end
It is minimum to locate width, takes 1.6m.
It is Q235 steel it is possible to further which 6 material of rotation axis is arranged, diameter takes 0.05m, the water blocking in rotation axis 6
7 number of sheets of impeller takes 4, is evenly arranged.
0.4m is taken it is possible to further which 7 height of water blocking impeller is arranged, is less than spacing between flow distribution plate 4 and bottom plate 2,
7 width of water blocking impeller takes 1.8m, is not less than the narrow terminal end width of contraction section 5；7 thickness of water blocking impeller takes 0.02m.
Embodiment 2: as shown in Figs. 1-2, a kind of water flow energy dissipator, including water inlet slope 1, force reduction pool bottom 2, tail sill 3,
Abutment wall 8, energy dissipating unit；
2 one end of force reduction pool bottom connection water inlet slope 1,2 other end of force reduction pool bottom connection tail sill 3,2 liang of force reduction pool bottom
Side is equipped with abutment wall 8, and same level is equipped with 5 energy dissipating units between two abutment walls.
It can be set to two kinds of forms it is possible to further which the water inlet slope 1 is arranged, one is bank slopes, a kind of
It is curved surface slope.Curved surface slope is set as in the present embodiment.
It is possible to further which the bottom plate 2 is arranged with a thickness of 0.5m.The length of bottom plate 2 is a by the energy dissipating unit arranged
Number determines.
0.7m is taken it is possible to further which 3 height of tail sill is arranged, convenient for keeping pond depth and eliminating the complementary energy of end water.
Include flow distribution plate 4, contraction section 5, rotation axis 6, water blocking impeller 7 it is possible to further which the energy dissipating unit is arranged, divides
Flowing plate 4 is set between 2 two abutment walls of upside of force reduction pool bottom and parallel with force reduction pool bottom 2；Contraction section 5 is set to stilling pond bottom
Between plate 2 and flow distribution plate 4, the wide beginning of contraction section 5 is placed close to water inlet 1 end of slope, and the narrow end of contraction section 5 is put close to 3 end of tail sill
It sets；Rotation axis 6 is set between two abutment walls close to the narrow end of contraction section 5, and 6 axis of rotation axis is parallel with flow distribution plate 4；Rotation axis 6
It is equipped with water blocking impeller 7, water blocking impeller 7 drives rotation axis 6 to rotate under water impact.
5.6m is taken it is possible to further which the width of the flow distribution plate 4 is arranged, less than the width of stilling pond；Flow distribution plate 4 and bottom
Spacing takes 0.7m between plate 2, less than the half of depth of force reducing pool.
It is rectangle it is possible to further which 5 cross sectional shape of contraction section is arranged, 5 height of contraction section is bottom plate 2 and flow distribution plate
The distance between 4, leniently beginning gradually becomes smaller 5 width of contraction section to narrow end, and width is maximum at wide beginning, takes 6m, narrow end
It is minimum to locate width, takes 4.8m.
It is Q235 steel it is possible to further which 6 material of rotation axis is arranged, diameter takes 0.1m, the water blocking leaf in rotation axis 6
7 number of sheets of plate takes 8, is evenly arranged.
0.6m is taken it is possible to further which 7 height of water blocking impeller is arranged, is less than spacing between flow distribution plate 4 and bottom plate 2,
7 width of water blocking impeller takes 5.2m, is not less than the narrow terminal end width of contraction section 5；7 thickness of water blocking impeller takes 0.03mm.
Embodiment 3: as shown in Figs. 1-2, a kind of water flow energy dissipator, including water inlet slope 1, force reduction pool bottom 2, tail sill 3,
Abutment wall 8, energy dissipating unit；
2 one end of force reduction pool bottom connection water inlet slope 1,2 other end of force reduction pool bottom connection tail sill 3,2 liang of force reduction pool bottom
Side is equipped with abutment wall 8, and same level is equipped with 3-5 energy dissipating unit between two abutment walls.The size of energy dissipating unit energy dissipating ability by
Energy dissipating unit number set by stilling pond is determined that specific required energy dissipating unit number can mutually be changed by Practical Project.
It can be set to two kinds of forms it is possible to further which the water inlet slope 1 is arranged, one is bank slopes, a kind of
It is curved surface slope.Bank slope is set as in the present embodiment.
It is possible to further which the bottom plate 2 is arranged with a thickness of 0.3m-0.5m.Specific size is true by actual condition
It is fixed.The length of bottom plate 2 is determined by the energy dissipating unit number arranged.
0.7m is taken it is possible to further which 3 height of tail sill is arranged, convenient for keeping pond depth and eliminating the complementary energy of end water.
Specific size is determined by actual condition.
Include flow distribution plate 4, contraction section 5, rotation axis 6, water blocking impeller 7 it is possible to further which the energy dissipating unit is arranged, divides
Flowing plate 4 is set between 2 two abutment walls of upside of force reduction pool bottom and parallel with force reduction pool bottom 2；Contraction section 5 is set to stilling pond bottom
Between plate 2 and flow distribution plate 4, the wide beginning of contraction section 5 is placed close to water inlet 1 end of slope, and the narrow end of contraction section 5 is put close to 3 end of tail sill
It sets；Rotation axis 6 is set between two abutment walls close to the narrow end of contraction section 5, and 6 axis of rotation axis is parallel with flow distribution plate 4；Rotation axis 6
It is equipped with water blocking impeller 7, water blocking impeller 7 drives rotation axis 6 to rotate under water impact.
1.8m-5.6m is taken it is possible to further which the width of the flow distribution plate 4 is arranged, less than the width of stilling pond；Flow distribution plate
Spacing takes 0.5m-0.7m between 4 and bottom plate 2, less than the half of depth of force reducing pool.
It is rectangle it is possible to further which 5 cross sectional shape of contraction section is arranged, 5 height of contraction section is bottom plate 2 and flow distribution plate
The distance between 4, leniently beginning gradually becomes smaller 5 width of contraction section to narrow end, and width is maximum at wide beginning, takes 2m-6m, narrow end
Width is minimum at end, takes 1.6m-4.8m.
It is Q235 steel it is possible to further which 6 material of rotation axis is arranged, diameter takes 0.05m-0.1m, in rotation axis 6
7 number of sheets of water blocking impeller takes 4-8, is evenly arranged.The specific number of sheets is determined by actual condition.
0.4m-0.6m is taken it is possible to further which 7 height of water blocking impeller is arranged, is less than between flow distribution plate 4 and bottom plate 2
Spacing, 7 width of water blocking impeller take 1.8m-5.2m, are not less than the narrow terminal end width of contraction section 5；7 thickness of water blocking impeller takes 0.02m-
0.03m。
The working principle of the invention is: the high-velocity flow that drops enters force reduction pool bottom 2 by water inlet slope 1, later high speed
It is upper and lower two layers that water flow, which is split plate 4, which divides, and lower water stream impacts water blocking leaf by the acceleration of water inlet slope 1 and contraction section 5
On plate 7, while water blocking impeller 7 is rotated clockwise by the impact of lower layer's water flow, this process has eliminated the portion of lower layer's water flow
Divide energy；The water blocking impeller 7 of rotation hits the upper layer water flow of 4 upside of flow distribution plate, hinders the flowing of upside water flow, has eliminated
The portion of energy of layer water flow.It is so offset by the self-energy that upper and lower two layers of water flow carries out, reaches the mesh to water energy energy dissipating
's.
Above in conjunction with attached drawing, the embodiment of the present invention is explained in detail, but the present invention is not limited to above-mentioned
Embodiment within the knowledge of a person skilled in the art can also be before not departing from present inventive concept
Put that various changes can be made.
Claims (9)
1. a kind of water flow energy dissipator, it is characterised in that: including slope (1), force reduction pool bottom (2), tail sill (3), abutment wall of intaking
(8), energy dissipating unit；
Force reduction pool bottom (2) one end connection water inlet slope (1), force reduction pool bottom (2) other end connect tail sill (3), and disappear power
Bottom of pond plate (2) two sides are equipped with abutment wall (8), and same level is equipped with 3-5 energy dissipating unit between two abutment walls.
2. water flow energy dissipator according to claim 1, it is characterised in that: the water inlet slope (1) can be set to two
Kind form, one is bank slopes, and one is curved surface slopes.
3. water flow energy dissipator according to claim 1, it is characterised in that: the bottom plate (2) is with a thickness of 0.3m-0.5m.
4. water flow energy dissipator according to claim 1, it is characterised in that: the tail sill (3) highly take 0.7m, convenient for protecting
It holds pond depth and eliminates the complementary energy of end water.
5. water flow energy dissipator according to claim 1, it is characterised in that: the energy dissipating unit includes flow distribution plate (4), receives
Contracting section (5), rotation axis (6), water blocking impeller (7), flow distribution plate (4) be set on the upside of force reduction pool bottom (2) between two abutment walls and with
Force reduction pool bottom (2) is parallel；Contraction section (5) is set between force reduction pool bottom (2) and flow distribution plate (4), contraction section (5) width beginning
It is placed close to water inlet slope (1) end, contraction section (5) narrow end is held close to tail sill (3) and placed；Rotation axis (6) is set to two abutment walls
Between close to contraction section (5) narrow end, rotation axis (6) axis is parallel with flow distribution plate (4)；Rotation axis (6) is equipped with water blocking impeller
(7), water blocking impeller (7) drives rotation axis (6) to rotate under water impact.
6. water flow energy dissipator according to claim 5, it is characterised in that: the width of the flow distribution plate (4) takes 1.8m-
5.6m, less than the width of stilling pond；Spacing takes 0.5m-0.7m between flow distribution plate (4) and bottom plate (2), less than depth of force reducing pool
Half.
7. water flow energy dissipator according to claim 5, it is characterised in that: contraction section (5) cross sectional shape is rectangle,
Contraction section (5) highly be the distance between bottom plate (2) and flow distribution plate (4), contraction section (5) width leniently beginning to narrow end gradually
Become smaller, width is maximum at wide beginning, takes 2m-6m, and narrow end width is minimum, takes 1.6m-4.8m.
8. water flow energy dissipator according to claim 5, it is characterised in that: rotation axis (6) material is Q235 steel, directly
Diameter takes 0.05m-0.1m, and water blocking impeller (7) number of sheets in rotation axis (6) takes 4-8, is evenly arranged.
9. water flow energy dissipator according to claim 5, it is characterised in that: the water blocking impeller (7) highly takes 0.4m-
0.6m is less than spacing between flow distribution plate (4) and bottom plate (2), and water blocking impeller (7) width takes 1.8m-5.2m, is not less than contraction section
(5) narrow terminal end width；Water blocking impeller (7) thickness takes 0.02m-0.03m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910173988.4A CN109797721B (en) | 2019-03-08 | 2019-03-08 | Water flow energy dissipation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910173988.4A CN109797721B (en) | 2019-03-08 | 2019-03-08 | Water flow energy dissipation device |
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| Publication Number | Publication Date |
|---|---|
| CN109797721A true CN109797721A (en) | 2019-05-24 |
| CN109797721B CN109797721B (en) | 2024-05-10 |
Family
ID=66561808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910173988.4A Active CN109797721B (en) | 2019-03-08 | 2019-03-08 | Water flow energy dissipation device |
Country Status (1)
| Country | Link |
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| CN (1) | CN109797721B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107459142A (en) * | 2017-10-12 | 2017-12-12 | 长沙理工大学 | A kind of ecological ground sills system and construction method for urban landscape rivers |
| RU2647895C1 (en) * | 2017-08-08 | 2018-03-21 | Михаил Иванович Голубенко | Water flow energy dampener |
| CN108385625A (en) * | 2018-03-19 | 2018-08-10 | 浙江水利水电学院 | Utilize the stilling pond auxiliary device of itself water energy energy dissipating |
| CN210194577U (en) * | 2019-03-08 | 2020-03-27 | 昆明理工大学 | Water flow energy dissipation device |
-
2019
- 2019-03-08 CN CN201910173988.4A patent/CN109797721B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2647895C1 (en) * | 2017-08-08 | 2018-03-21 | Михаил Иванович Голубенко | Water flow energy dampener |
| CN107459142A (en) * | 2017-10-12 | 2017-12-12 | 长沙理工大学 | A kind of ecological ground sills system and construction method for urban landscape rivers |
| CN108385625A (en) * | 2018-03-19 | 2018-08-10 | 浙江水利水电学院 | Utilize the stilling pond auxiliary device of itself water energy energy dissipating |
| CN210194577U (en) * | 2019-03-08 | 2020-03-27 | 昆明理工大学 | Water flow energy dissipation device |
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| Publication number | Publication date |
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| CN109797721B (en) | 2024-05-10 |
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