CN111778938B - Stepped energy dissipater - Google Patents
Stepped energy dissipater Download PDFInfo
- Publication number
- CN111778938B CN111778938B CN202010677895.8A CN202010677895A CN111778938B CN 111778938 B CN111778938 B CN 111778938B CN 202010677895 A CN202010677895 A CN 202010677895A CN 111778938 B CN111778938 B CN 111778938B
- Authority
- CN
- China
- Prior art keywords
- ladder
- cuboid
- arc
- water flow
- triangular prism
- 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.)
- Active
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 80
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 9
- 238000005276 aerator Methods 0.000 claims abstract description 5
- 230000000903 blocking effect Effects 0.000 claims description 7
- 230000006835 compression Effects 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 7
- 230000007547 defect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 230000021715 photosynthesis, light harvesting Effects 0.000 abstract description 2
- 230000002349 favourable effect Effects 0.000 description 3
- 210000003746 feather Anatomy 0.000 description 3
- 238000005273 aeration Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 238000005381 potential energy Methods 0.000 description 2
- 230000010349 pulsation Effects 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000002788 crimping Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- 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
- E02B8/06—Spillways; Devices for dissipation of energy, e.g. for reducing eddies also for lock or dry-dock gates
-
- 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
Abstract
The invention discloses a step energy dissipater which sequentially comprises a first multistage step, a stilling pool, a triangular prism stilling ridge and a second multistage step along the water flow direction, wherein an aerator is fixed at the water flow upstream of the first multistage step, the first multistage step comprises a plurality of end-to-end connected transverse steps and vertical steps, the transverse steps are movably connected with a stagnant flow block, the transverse steps are provided with first arc-shaped grooves, the stagnant flow block is positioned at the water flow downstream of the first arc-shaped grooves, the multistage ladder of second includes first ladder, second ladder and the third ladder of end to end connection along the rivers direction, and the second ladder is fixed with trapezoidal arris platform and hinders the water piece, and trapezoidal arris platform hinders water piece side and is equipped with the triangular prism recess, and the cross ladder includes the cross ladder body, and cross ladder body rivers low reaches symmetry is equipped with two cuboid inside grooves, and hydraulic means one end is connected with cuboid inside groove side, and the hydraulic means other end is connected with cuboid fixture block side. Can solve the defects of the prior art and enrich the energy dissipation effect of the step energy dissipater.
Description
Technical Field
The invention relates to the field of hydraulic engineering of flood discharge efficiency facilities, in particular to a step efficiency facility.
Background
The high dam engineering of China is mostly located in western high mountain canyon regions, and has the characteristics of high water head, large flow, large flood discharge power, narrow river valley and the like in the aspect of flood discharge efficiency. The stepped efficiency tool can utilize the overflow dam or the steep groove section to eliminate most of kinetic energy of water flow, is widely applied to energy discharge and flood dissipation, and has great economic benefit and popularization value along with the continuous development of hydropower industry in China. At present, the conventional stepped energy dissipater has two limitations, namely, the requirement on the initial aeration position is high, and the single width flow of the downward discharge is limited.
Disclosure of Invention
The invention aims to provide a step energy dissipater, which can overcome the defects of the prior art and enrich the energy dissipation effect of the step energy dissipater.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows.
The utility model provides a ladder energy dissipater, includes first multistage ladder, stilling pond, triangular prism stilling bank and the multistage ladder of second in proper order along the rivers direction, the rivers upper reaches of first multistage ladder are fixed with the air entrainment device, first multistage ladder includes a plurality of end to end connection crossbladders and erects the ladder, crossbeam swing joint has the stagnant flow piece, and the crossbladders is equipped with first arc recess, and the stagnant flow piece is located first arc recess rivers low reaches, the multistage ladder of second includes end to end connection's first ladder, second ladder and third ladder along the rivers direction, the second ladder is fixed with trapezoidal arris platform and hinders the water piece, and trapezoidal arris platform hinders water piece side and is equipped with the triangular prism recess.
Preferably, the horizontal ladder comprises a horizontal ladder body, two cuboid inner grooves are symmetrically arranged at the downstream of the water flow of the horizontal ladder body, one end of a hydraulic device is connected with the side surfaces of the cuboid inner grooves, the other end of the hydraulic device is connected with the side surfaces of cuboid fixture blocks, two ends of an arc-shaped elastic piece are respectively connected with the side surfaces of the two cuboid fixture blocks, which are far away from the hydraulic device, the outer arc surface of the center of the arc-shaped elastic piece is fixed with a cuboid bulge, the horizontal ladder body is provided with a second cuboid groove, the cuboid slide grooves are symmetrically arranged at the two side surfaces of the second cuboid groove, the stagnation piece comprises a triangular prism stagnation piece body, the side surface of the triangular prism stagnation piece body is provided with a second arc-shaped groove, the bottom surface of the triangular prism stagnation piece body is fixed with a cuboid fixed block, the side surfaces of the cuboid fixed block are provided with square grooves, the square grooves are in compression joint with the cuboid bulges, and the two cuboid slide keys are symmetrically fixed at the two side surfaces of the horizontal ladder body, the cuboid sliding key is in compression joint with the cuboid sliding groove.
Preferably, a third arc-shaped groove is formed in the upstream side face of the water flow of the triangular prism force-eliminating ridge, and a semi-cylindrical water ridge is fixed to the downstream side face of the water flow of the triangular prism force-eliminating ridge.
Preferably, the ratio of the height of the stagnation block to the height of the vertical ladder is 1: 4, the ratio of the length of the horizontal ladder to the height of the vertical ladder is 1: 1.
adopt the beneficial effect that above-mentioned technical scheme brought to lie in: the water flow is aerated by the aerator and then flows along the first multistage step, the potential energy of the water flow is converted into kinetic energy, meanwhile, the water flow generates turbulent motion, the kinetic energy in the downward flow direction of the water flow is reduced, the water flow passes through the first arc-shaped groove, the turbulent motion of the water flow is intensified, the kinetic energy in the downward flow direction of the water flow is further reduced, then, the water flow passes through the stagnation block to generate vortex, the turbulent motion of the water flow is interacted with the vortex, the downward flow kinetic energy of the water flow is obviously reduced, then, the downward flow enters the stilling basin, the pulsation of the water flow is reduced, then, the water flows through the first step to further generate turbulent motion, the turbulent motion of the water flow passes through the triangular prism grooves, the water flow accelerates along the upstream side surfaces of the triangular prism grooves, partial reverse reflux is realized through the downstream side surfaces of the triangular prism grooves, the water flow energy is reduced to a certain degree, then, the water flow enters the third step, and at the moment, the slight turbulent motion is generated by the water flow again, and the kinetic energy is reduced. Further, the flexible cuboid fixture block that drives of compression hydraulic means and then drives arc bullet spare to finally drive second arc recess and remove, thereby adjusted second arc recess in upper and lower reaches position, when rivers are big, adjust second arc recess to low reaches position, thereby rivers flow along the cambered surface and produce the big of vortex with upper reaches rivers interact, vice versa, be favorable to according to rivers size elimination rivers ability. The third arc-shaped groove can be indirectly changed in horizontal position by the hydraulic device, so that the size of the vortex is changed, the kinetic energy is reduced, and the semi-cylindrical water sill is favorable for guiding the water flow to flow smoothly to enter the second multi-stage ladder. The ratio of the height H1 of the stagnation block to the height H2 of the vertical ladder is 1: 4, the ratio of the length L of the horizontal ladder to the height H2 of the vertical ladder is 1: 1, the invention has stable structure and wide application.
Drawings
FIG. 1 is a block diagram of one embodiment of the present invention.
Fig. 2 is a structural view of a horizontal ladder according to an embodiment of the present invention.
Fig. 3 is a front view of a stagnation block according to an embodiment of the present invention.
FIG. 4 is a side view of a stagnation block in an embodiment of the present invention.
Fig. 5 is a structural diagram of a stagnation device in one embodiment of the present invention.
In the figure: 1. a first multi-step ladder; 2. an aeration device; 3. a stilling pool; 4. triangular prism force eliminating ridge; 5. a second multi-step ladder; 11. erecting a ladder; 12. a horizontal ladder; 13. a stagnant block; 41. a third arc-shaped groove; 42. a semi-cylindrical water bank; 121. a horizontal ladder body; 122. a rectangular inner groove; 123. a hydraulic device; 124. a cuboid fixture block; 125. an arc-shaped elastic piece; 126. a cube is raised; 127. a second cuboid groove; 128. a rectangular parallelepiped chute; 129. a first arc-shaped groove; 130. a stagnation device; 131. a triangular prism stagnation block body; 132. a cuboid fixed block; 133. a square groove; 134. a rectangular parallelepiped feather key; 1301. a gantry; 1302. mounting holes; 1303. a flow stagnation plate; 1304. rolling a cylinder; 1305. a blocking block; h1, stagnation block height; h2, vertical ladder; l, length of the horizontal ladder.
Detailed Description
The standard parts used in the invention can be purchased from the market, the special-shaped parts can be customized according to the description and the description of the attached drawings, and the specific connection mode of each part adopts the conventional means of mature bolts, rivets, welding, sticking and the like in the prior art, and the detailed description is not repeated.
Referring to fig. 1 to 5, a specific embodiment of the present invention sequentially includes a first multi-stage step 1, a stilling pool 3, a triangular prism stilling ridge 4, and a second multi-stage step 5 along a water flow direction, an aerator 2 is fixed on a water flow upstream of the first multi-stage step 1, the first multi-stage step 1 includes a plurality of end-to-end connected horizontal steps 12 and vertical steps 11, the horizontal steps 12 are movably connected with a flow blocking block 13, the horizontal steps 12 are provided with first arc-shaped grooves 129, the flow blocking block 13 is located on a water flow downstream of the first arc-shaped grooves 129, the second multi-stage step 5 includes a first step 51, a second step 52, and a third step 53 connected end-to-end along the water flow direction, the second step is fixed with a trapezoidal ridge water blocking block 521, and a triangular prism groove 522 is arranged on a side surface of the trapezoidal ridge water blocking block 521. The horizontal ladder 12 comprises a horizontal ladder body 121, two cuboid inner grooves 122 are symmetrically arranged at the downstream of the water flow of the horizontal ladder body 121, one end of a hydraulic device 123 is connected with the side surface of the cuboid inner groove 122, the other end of the hydraulic device 123 is connected with the side surface of a cuboid clamping block 124, the two ends of an arc-shaped elastic piece 125 are respectively connected with the side surfaces of the two cuboid clamping blocks 124 far away from the hydraulic device 123, a cube protrusion 126 is fixed on the outer arc surface in the center of the arc-shaped elastic piece 125, a second cuboid groove 127 is arranged on the horizontal ladder body 121, cuboid sliding grooves 128 are symmetrically arranged on the two side surfaces of the second cuboid groove 127, a flow block 13 comprises a triangular prism flow block body 131, a second arc-shaped groove 136 is arranged on the side surface of the triangular prism flow block body 131, a cuboid fixing block 132 is fixed on the bottom surface of the triangular prism flow block body 131, a cube groove 133 is arranged on the side surface of the cuboid fixing block 132, and the cube groove 133 is in compression joint with the cube protrusion 126, the horizontal ladder body 121 both sides face symmetry is fixed with two cuboid feather keys 134, cuboid feather key 134 and the crimping of cuboid spout 128. The third arc-shaped groove 41 is formed in the upstream side face of the water flow of the triangular prism force-absorbing ridge 4, and the semi-cylindrical water ridge 42 is fixed to the downstream side face of the water flow of the triangular prism force-absorbing ridge 4. The ratio of the height H1 of the stagnation block 13 to the height H2 of the vertical ladder 11 is 1: 4, the ratio of the length L of the horizontal ladder 12 to the height H2 of the vertical ladder 11 is 1: 1. the water flows along the first multi-stage step 1 after being aerated by the aerator 2, the potential energy of the water flow is converted into kinetic energy, meanwhile, the water flow generates turbulent motion, the kinetic energy of the water flow in the downward discharging direction is reduced, the water flow passes through the first arc-shaped groove 129, the turbulent motion of the water flow is intensified, the kinetic energy of the water flow in the downward discharging direction is further reduced, then the water flow passes through the flow stagnation block 13 to generate vortex flow, the water flow is turbulent and interacts with the vortex flow, the downward discharge kinetic energy of the water flow is obviously reduced, then the downward flow enters the stilling basin 3, the pulsation of the flow is reduced, then the water flows through the first step 51 to generate further turbulence, the turbulent water flows through the triangular prism grooves 522, the water flow accelerates along the upstream side surface of the triangular prism grooves 522 and realizes partial reverse reflux through the downstream side surface of the triangular prism grooves 522, thereby eliminating to some extent the energy of the water flow which then enters the third step 53 where it is again slightly turbulent to reduce kinetic energy. Further, the flexible cuboid fixture block 124 that drives of compression hydraulic means 123 and then drives arc bullet piece 125 to finally drive second arc recess 136 and remove, thereby adjusted second arc recess 136 in upper and lower reaches position, when rivers are big, adjust second arc recess 136 to the low reaches position, thereby rivers flow along the cambered surface and the big of upstream water flow interact production vortex, vice versa, be favorable to according to the rivers size elimination rivers ability. The third arc-shaped groove 41 can be indirectly changed in horizontal position by the hydraulic device 123, so that the size of the vortex is changed, kinetic energy is reduced, and the semi-cylindrical water sill 42 is beneficial to guiding the water flow to smoothly flow into the second multi-stage step 5. The ratio of the height H1 of the stagnation block 13 to the height H2 of the vertical ladder 11 is 1: 4, the ratio of the length L of the horizontal ladder 12 to the height H2 of the vertical ladder 11 is 1: 1, the invention has stable structure and wide application.
In addition, the stagnation device 130 is fixed at the edge of the first arc-shaped groove 129, the stagnation device 130 comprises a portal frame 1301, two ends of the portal frame 1301 are fixed at two ends of the first arc-shaped groove 129, the portal frame 1301 is movably connected with a stagnation plate 1303 through a mounting hole 1302, the stagnation plate 1303 is pressed and connected with a cylindrical roller 1304 along the downstream of water flow, and a stop block 1305 is fixed at the edge of the first arc-shaped groove 129 along the downstream of the water flow. When water flow flows downwards, the stagnation device 130 divides the water flow into two parts, one part of the water flow is blocked by the stagnation device 130 to impact the stagnation plate 1303, the stagnation plate 1303 pushes the cylindrical roller 1304 to roll along the first arc-shaped groove 129, and along with the increase of the rolling distance of the cylindrical roller 1304, the acting force of the cylindrical roller 1304 on the stagnation plate 1303 is increased under the influence of the self gravity of the cylindrical roller 1304, and finally the acting force is balanced with the impact force of the water flow, and the larger the water flow is, the larger the inclination angle between the stagnation plate 1303 and the vertical direction is, so that the larger the eddy flow velocity of the eddy current generated by the water flow impacting the stagnation plate 1303 is, but the smaller the eddy radius of the eddy current is, the other part of the water flow and the second arc-shaped groove 136 generate eddy current, and along with the increase of the water flow, the second arc-shaped groove 136 is adjusted to move downstream, the eddy current radius is increased, but the flow velocity is relatively reduced, and meanwhile, the small-radius high-velocity eddy current generated by the stagnation plate 1303 is intersected with the large-radius low-velocity eddy current generated by the second arc-shaped groove 136, and the flow directions of the two vortexes are the same, so that the large-radius low-flow-speed vortex reduces the rotating speed and gradually forms a low-speed rotating vortex with the small-radius vortex, the two vortexes are intersected and collided, and meanwhile, the water flow energy is reduced.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (3)
1. The utility model provides a ladder energy dissipater, includes first multistage ladder (1), stilling pool (3), triangular prism stilling bank (4) and second multistage ladder (5) along rivers direction in proper order, its characterized in that: an aerator (2) is fixed on the upstream of water flow of the first multistage ladder (1), the first multistage ladder (1) comprises a plurality of transverse ladders (12) and vertical ladders (11) which are connected end to end, the transverse ladders (12) are movably connected with flow stagnation blocks (13), the transverse ladders (12) are provided with first arc-shaped grooves (129), the flow stagnation blocks (13) are positioned on the downstream of the water flow of the first arc-shaped grooves (129), the second multistage ladder (5) comprises a first ladder (51), a second ladder (52) and a third ladder (53) which are connected end to end along the water flow direction, trapezoidal ridge platform water blocking blocks (521) are fixed on the second ladder, and triangular prism grooves (522) are formed in the side surfaces of the trapezoidal ridge platform water blocking blocks (521); the horizontal ladder (12) comprises a horizontal ladder body (121), two cuboid inner grooves (122) are symmetrically arranged at the downstream of the water flow of the horizontal ladder body (121), one end of a hydraulic device (123) is connected with the side face of the cuboid inner groove (122), the other end of the hydraulic device (123) is connected with the side face of a cuboid fixture block (124), two ends of an arc-shaped elastic piece (125) are respectively connected with the side face of the two cuboid fixture blocks (124) far away from the hydraulic device (123), a cube bulge (126) is fixed on the outer arc face of the center of the arc-shaped elastic piece (125), a second cuboid groove (127) is arranged on the horizontal ladder body (121), cuboid sliding grooves (128) are symmetrically arranged on two side faces of the second cuboid groove (127), a flow block (13) comprises a triangular prism flow block body (131), a second arc groove (136) is arranged on the side face of the triangular prism flow block body (131), and a cuboid fixing block (132) is fixed on the bottom face of the triangular prism flow block body (131), the side face of the cuboid fixed block (132) is provided with a cuboid groove (133), the cuboid groove (133) is in compression joint with the cuboid bulge (126), two cuboid sliding keys (134) are symmetrically fixed on two side faces of the cuboid fixed block (132), and the cuboid sliding keys (134) are in compression joint with the cuboid sliding grooves (128).
2. A stepped dissipater as claimed in claim 1, wherein: the water flow upstream side surface of the triangular prism force-absorbing ridge (4) is provided with a third arc-shaped groove (41), and the water flow downstream side surface of the triangular prism force-absorbing ridge (4) is fixed with a semi-cylindrical water ridge (42).
3. A stepped dissipater as claimed in claim 2, wherein: the ratio of the height of the stagnant flow block (13) to the height of the vertical ladder (11) is 1: 4, the ratio of the length of the horizontal ladder (12) to the height of the vertical ladder (11) is 1: 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010677895.8A CN111778938B (en) | 2020-07-15 | 2020-07-15 | Stepped energy dissipater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010677895.8A CN111778938B (en) | 2020-07-15 | 2020-07-15 | Stepped energy dissipater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111778938A CN111778938A (en) | 2020-10-16 |
| CN111778938B true CN111778938B (en) | 2021-07-30 |
Family
ID=72767218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010677895.8A Active CN111778938B (en) | 2020-07-15 | 2020-07-15 | Stepped energy dissipater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111778938B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114718028A (en) * | 2021-12-10 | 2022-07-08 | 中铁十四局集团第二工程有限公司 | Double-layer dispersed energy dissipation device for water flow energy dissipation |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07238525A (en) * | 1994-02-28 | 1995-09-12 | Maeda Corp | Water level setter in water reservoir |
| RU2233362C1 (en) * | 2003-05-30 | 2004-07-27 | Носов Евгений Георгиевич | Reconstruction method for spill-away of high concrete arched barrage (variants) |
| CN204163061U (en) * | 2014-10-28 | 2015-02-18 | 中国电建集团成都勘测设计研究院有限公司 | Water power catch-drain energy-dissipating structure |
| CN204662380U (en) * | 2015-05-27 | 2015-09-23 | 三峡大学 | A kind of bench spillway |
| CN205314071U (en) * | 2015-12-09 | 2016-06-15 | 西华大学 | Multistage fan -shaped abrupt slope dissipation structure |
| CN210797465U (en) * | 2019-05-22 | 2020-06-19 | 昆明理工大学 | Stepped overflow dam and combined aeration facility suitable for different flow rates |
-
2020
- 2020-07-15 CN CN202010677895.8A patent/CN111778938B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07238525A (en) * | 1994-02-28 | 1995-09-12 | Maeda Corp | Water level setter in water reservoir |
| RU2233362C1 (en) * | 2003-05-30 | 2004-07-27 | Носов Евгений Георгиевич | Reconstruction method for spill-away of high concrete arched barrage (variants) |
| CN204163061U (en) * | 2014-10-28 | 2015-02-18 | 中国电建集团成都勘测设计研究院有限公司 | Water power catch-drain energy-dissipating structure |
| CN204662380U (en) * | 2015-05-27 | 2015-09-23 | 三峡大学 | A kind of bench spillway |
| CN205314071U (en) * | 2015-12-09 | 2016-06-15 | 西华大学 | Multistage fan -shaped abrupt slope dissipation structure |
| CN210797465U (en) * | 2019-05-22 | 2020-06-19 | 昆明理工大学 | Stepped overflow dam and combined aeration facility suitable for different flow rates |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111778938A (en) | 2020-10-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104404926B (en) | Dam facing chooses the overfall dam of bank shunting energy dissipating | |
| CN101349047B (en) | Aeration type curve ladder energy dissipater in flood discharge hole | |
| CN111778938B (en) | Stepped energy dissipater | |
| CN101215828A (en) | High and low ridge underflow stilling basin | |
| CN103498451B (en) | Impact type combination underflow energy dissipator structure | |
| CN201254714Y (en) | Suddenly enlarged and drop sill type underflow energy dissipating work structure | |
| CN103669301B (en) | The height bank absorption basin of double-layer disperse energy dissipating | |
| CN109098152B (en) | Anti-cavitation facility of ladder overflow dam | |
| CN107663851B (en) | Cavitation damage prevention curved stepped overflow dam | |
| CN2488960Y (en) | Energy dissipation and flood discharge for large dam in new type of diffusion mode | |
| CN202530433U (en) | Flaring pier structure of flood discharge and energy dissipation system in hydraulic and hydro-power engineering | |
| CN101736718A (en) | Reversely bevelled flip bucket | |
| CN112112135B (en) | Porous confluence opposite-flushing energy dissipation structure for hydraulic buildings and implementation method | |
| CN102720171A (en) | Adverse slope type step energy dissipater | |
| CN109281294B (en) | Anti-arc notch cuttype overflow dam of adjustable air entrainment energy dissipation | |
| CN111809579B (en) | Self-aeration ternary hydraulic jump stilling basin | |
| CN203514274U (en) | Crashing type combined underflow energy dissipater structure | |
| CN103397619B (en) | Along the height bank absorption basin of journey dispersion energy dissipating | |
| CN112049067A (en) | Novel water flow opposite-flushing type drop building | |
| CN209836951U (en) | Combined energy dissipater | |
| CN1028661C (en) | Eddy-eliminating orifice dissipater | |
| CN109577292B (en) | Energy dissipation runner structure for reducing flow velocity | |
| CN107419709A (en) | A kind of stiling basin system | |
| CN212670507U (en) | Wing section stilling pool | |
| CN220666152U (en) | Arrangement structure of vertical shaft type spillway |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221026 Address after: 056000 Incubation Base 1106, Chuang Xiang, Xinyuan Building, No. 79, Huancheng West Road, Congtai District, Handan City, Hebei Province Patentee after: Hebei Keqian Information Technology Service Co.,Ltd. Address before: 056038 No. 19 Taiji Road, development zone, Handan City, Hebei Province Patentee before: HEBEI University OF ENGINEERING |
|
| TR01 | Transfer of patent right |