CN113265988B - Porous hedging energy dissipation structure for hydraulic structure and implementation method - Google Patents
Porous hedging energy dissipation structure for hydraulic structure and implementation method Download PDFInfo
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- CN113265988B CN113265988B CN202110586453.7A CN202110586453A CN113265988B CN 113265988 B CN113265988 B CN 113265988B CN 202110586453 A CN202110586453 A CN 202110586453A CN 113265988 B CN113265988 B CN 113265988B
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- 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
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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 application relates to the technical field of hydraulic engineering, in particular to a porous hedging energy dissipation structure for a hydraulic structure and an implementation method. The present application has the effect of reducing the energy of the water stream flowing out of the overflow dam.
Description
Technical Field
The application relates to the technical field of hydraulic engineering, in particular to a porous hedging energy dissipation structure for a hydraulic building and an implementation method.
Background
In hydraulic engineering, a gravity dam and a gate dam are overflow dam types which are commonly used, for the overflow dam, a stilling basin needs to be built behind the overflow dam due to the requirement of flood discharge and energy dissipation, and energy dissipation is carried out through strong rolling caused by water jump caused by transition from rapid flow to slow flow, so that the scouring damage of the overflow dam to the hydraulic engineering is reduced.
Patent document No. CN104404926B discloses an overflow dam with flip bucket dam face for diversion energy dissipation, in which a discharge slope of the overflow dam is connected to the bottom of a stilling pool, a side wall of the discharge slope is connected to a protective side wall of the stilling pool, a plurality of gate piers for dividing a water body overflow area into a plurality of meter holes are designed on the dam top of the overflow dam, a plurality of diversion flip buckets are arranged on the discharge slope of the overflow dam at intervals, so that a part of water flow from the meter holes passes through the upper slope of the diversion flip bucket to enter the rear area of the stilling pool in a flip flow manner, and the other part of water flow passes through a flow passage between the two diversion flip buckets to enter the front area of the stilling pool, thereby achieving the purpose of zonal energy dissipation.
However, in the above structure, the stilling pool is easily damaged when water flows through the stilling pool.
Disclosure of Invention
In order to reduce the energy of water flow flowing out of an overflow dam, the application provides a porous hedging energy dissipation structure for a hydraulic building.
The application provides a porous offset energy dissipation structure for hydraulic structure adopts following technical scheme:
the utility model provides a porous offset energy dissipation structure for hydraulic structure, includes into water structure and play water structure, it includes the bottom plate to go out the water structure, be provided with the guide pulley of intaking on the bottom plate, the guide pulley of intaking is provided with a plurality of groups, and every group's guide pulley of intaking is provided with two and the direction that two guide pulleys of intaking of every group guided rivers deflect is relative.
Through adopting above-mentioned technical scheme, during the use, the structure of intaking flows to the direction of play water structure, the guide pulley of intaking is located the bottom plate of play water structure, thereby rivers can strike the guide pulley of intaking in the position of play water structure, the guide pulley of intaking guides the direction of rivers simultaneously, make the direction of rivers take place horizontal deflection, the guide pulley of intaking sets up in groups, and two guide pulleys of intaking in a set of make the direction of rivers lateral deflection relative, and then can reduce the energy of rivers with rivers impact each other.
Preferably, the water inlet guide wheel is coaxially connected with a reverse guide wheel, the reverse guide wheel is connected with a power source for driving the reverse guide wheel to rotate, the reverse guide wheel and the water inlet guide wheel rotate in opposite directions, the water inlet guide wheel and the reverse guide wheel are both coaxially connected with a friction disc, and the two friction discs are extruded oppositely.
Through adopting above-mentioned technical scheme, reverse guide pulley rotates under the effect of power supply to the direction of rotation is opposite with the direction that the guide pulley of intaking rotated, thereby the friction of the relative rotation of friction disk that guide pulley and the play water guide pulley are connected with of intaking makes the energy of rivers further reduce through the friction of friction disk.
Preferably, the power source comprises a bypass pipe, one end of the bypass pipe is communicated with the water inlet structure, and the other end of the bypass pipe extends into the water outlet structure to be matched with the reverse guide wheel.
Through adopting above-mentioned technical scheme, the one end of bypass pipe communicates in the structure of intaking, and the other end lets in the position of reverse guide pulley to can make the rivers that flow through by the bypass pipe carry out one-step energy dissipation through reverse guide pulley.
Preferably, the water inlet guide wheel comprises a circular plate and a plurality of spiral blades, the spiral blades are uniformly distributed on the circumference of the center line of the circular plate, the spiral blades are positioned on one surface of the circular plate facing the water inlet structure, and the spiral directions of the spiral blades on the two circular plates in one group are opposite.
By adopting the technical scheme, the spiral blades are arranged on the circular plates, and the spiral blades on the two circular plates in one group are arranged in opposite rotating directions, so that water flow rushing to the spiral blades can generate opposite transverse flow.
Preferably, a guide cone is fixed on one surface of the circular plate, on which the spiral blade is arranged, the center line of the guide cone is overlapped with the center line of the circular plate, and the spiral blade is fixed on the side wall of the guide cone.
By adopting the technical scheme, the guide cone is arranged on the circular plate, and the spiral blades are fixed on the side wall of the guide cone, so that water flow can smoothly flow between the spiral blades, and the larger impact on the circular plate is reduced.
Preferably, the friction disc is connected with a top column, the top column comprises a sleeve, a spring and a column body, one end of the sleeve is inserted into the column body, the spring is located in the sleeve, the end portion of the spring abuts against one end of the column body located in the sleeve, one end of the column body far away from the sleeve is fixed to the friction disc, and the upper end of the sleeve far away from the column body is used for being fixed to the reverse guide wheel or the water inlet guide wheel.
Through adopting above-mentioned technical scheme, set up the spring in the sleeve, spring one end butt is on the cylinder, and the cylinder is fixed on the friction disk to can make mutual butt between two friction disks under the effort of spring, and then can produce frictional force when rotating.
Preferably, the sleeve comprises a multi-edge cylinder and a round cylinder, the multi-edge cylinder is fixed at one end of the round cylinder, the round cylinder is connected with the cylinder body, the multi-edge cylinder is connected with the multi-edge cylinder, one end, far away from the cylinder body, of the spring abuts against the multi-edge cylinder, an inclined surface is arranged at one end, far away from the spring, of the multi-edge cylinder, a gravity ball is arranged in the multi-edge cylinder and abuts against the inclined surface, and the inclined direction of the inclined surface is gradually far away from the friction disc from the center of the friction disc to the edge of the friction disc.
Through adopting above-mentioned technical scheme, be provided with the polygon prism in the polygon prism section of thick bamboo, set up the inclined plane on the polygon prism, the gravity ball is placed in the polygon prism section of thick bamboo to the gravity ball is when rotating along with the friction disk, and the gravity ball receives centrifugal force extrusion polygon prism, thereby can reduce the influence after the friction disk uses the wearing and tearing, improves the life of friction disk.
Preferably, the reverse guide wheel comprises an inner plate, an annular plate and a plurality of plates, the annular plate and the inner ring are arranged in parallel at intervals, the plates are fixed between the inner plate and the annular plate and fixed with the inner plate and the annular plate, and the plates are located at the edge of the inner plate.
Through adopting above-mentioned technical scheme, inner panel and annular slab parallel arrangement, the slab setting is between the annular slab of inner panel to behind the rivers impact slab, can enter into the position in the middle of the annular slab, and flow out from the centre of annular slab.
Preferably, a water retaining ridge fixed on the bottom plate is arranged at the downstream of the water inlet guide wheel.
Through adopting above-mentioned technical scheme, the low reaches of the guide pulley of intaking sets up the manger plate bank, can further reduce the energy of rivers through the manger plate bank.
In order to reduce the energy of water flow flowing out of an overflow dam, the application provides an implementation method of a porous hedging energy dissipation structure for a hydraulic building.
The application provides a method for implementing a porous hedging energy dissipation structure for a hydraulic structure, which adopts the following technical scheme:
an implementation method of a porous hedging energy dissipation structure for a hydraulic structure comprises the steps of adopting a water inlet guide wheel to guide water flow in opposite directions, and adopting a reverse guide wheel to rotate in the opposite direction of the water inlet guide wheel to drive two friction discs to rotate relatively.
Through adopting above-mentioned technical scheme, the energy dissipation is carried out in the impact relatively behind the direction drainage that the guide pulley of intaking is in opposite directions rivers, and the friction disc that the reverse guide pulley of cooperation and the guide pulley of intaking taken simultaneously rotates the energy that makes rivers and changes into heat energy, and the secondary carries out the energy dissipation to the energy of rivers, reduces the energy of rivers.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the water inlet guide wheels can be impacted at the position of the water outlet structure through water flow, meanwhile, the water inlet guide wheels guide the direction of the water flow, so that the direction of the water flow is transversely deflected, the two water inlet guide wheels enable the transverse deflection directions of the water flow to be opposite, and the water flow can be impacted with each other to reduce the energy of the water flow;
2. the rotating direction of the reverse guide wheel is opposite to that of the water inlet guide wheel, so that the friction discs connected with the water inlet guide wheel and the water outlet guide wheel rotate relatively to rub, and the energy of water flow is reduced by the friction of the friction discs;
3. the inclined surface is formed on the polygonal column, the gravity ball is placed in the polygonal column, and when the gravity ball rotates along with the friction disc, the gravity ball is extruded to the polygonal column through centrifugal force, so that the service life of the friction disc is prolonged.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;
FIG. 2 is a schematic diagram of a full-section configuration of an embodiment of the present application;
FIG. 3 is a schematic view of the installation structure of the water inlet guide wheel and the counter guide wheel;
FIG. 4 is a schematic view of the structure of the water inlet guide wheel;
FIG. 5 is a schematic view of an exploded structure of a top pillar;
fig. 6 is an enlarged schematic view of a portion a of fig. 4.
Description of the reference numerals: 1. an overflow dam; 11. a water inlet structure; 12. a water outlet structure; 121. a base plate; 2. a water inlet guide wheel; 21. a circular plate; 22. a helical blade; 23. a guide cone; 3. a reverse guide wheel; 31. an inner plate; 32. an annular plate; 33. a sheet; 4. a friction disk; 5. a bypass pipe; 6. a rotating shaft; 7. a top pillar; 71. a sleeve; 711. a polygonal cylinder; 712. a circular cylinder; 72. a spring; 73. a cylinder; 74. a polygonal column; 741. an inclined surface; 75. a gravity ball; 8. a water retaining ridge.
Detailed Description
The present application is described in further detail below with reference to figures 1-6.
The embodiment of the application discloses a porous hedging energy dissipation structure for a hydraulic structure. Referring to fig. 1, the overflow dam 1 is included, a water inlet structure 11 is disposed on one side of the overflow dam 1, a water outlet structure 12 is disposed on the other side of the overflow dam 1, one side of the water inlet structure 11 is used for guiding water into the overflow dam 1, the water outlet structure 12 includes a bottom plate 121, and water flows out from the bottom of the overflow dam 1 and flows into the water outlet structure 12 along the bottom plate 121.
Referring to fig. 1, a plurality of groups of water inlet guide wheels 2 are disposed on a bottom plate 121, two water inlet guide wheels 2 are disposed in each group, when water flowing from the bottom plate 121 passes through the water inlet guide wheels 2, the water inlet guide wheels 2 in the same group can deflect the water to flow in opposite directions, and when the water inlet guide wheels 2 in the same group guide the water to flow in opposite directions, energy of the water can be partially reduced due to mutual impact of the water.
Referring to fig. 2 and 3, a reverse guide wheel 3 is disposed on a bottom plate 121, the reverse guide wheel 3 is located at one end of a water inlet guide wheel 2 far from an overflow dam 1, the reverse guide wheel 3 is coaxially disposed with the water inlet guide wheel 2, and the axes of the reverse guide wheel 3 and the water inlet guide wheel 2 are both in the direction of the water flow along the overflow dam 1, a friction disc 4 is disposed between the reverse guide wheel 3 and the water inlet guide wheel 2, two friction discs 4 are provided, one friction disc 4 is coaxially connected with the water inlet guide wheel 2 and rotates with the water inlet guide wheel 2, the other friction disc 4 is coaxially connected with the reverse guide wheel 3 and rotates with the reverse guide wheel 3, and the two friction discs 4 are pressed against each other, a power source is connected to the reverse guide wheel 3 to rotate the reverse guide wheel 3 in the direction opposite to the rotation of the water inlet guide wheel 2, the water inlet guide wheel 2 is rotatably disposed on the bottom plate 121, so that when the water flow impacts the water inlet guide wheel 2, the water inlet guide wheel 2 can rotate, the water inlet guide wheel 2 and the reverse guide wheel 3 rotate simultaneously and rotate in opposite directions, the two friction discs 4 are extruded with each other, and the two friction discs 4 absorb part of water flow energy to further reduce the water flow energy.
Referring to fig. 2 and 3, the counter guide wheel 3 includes an inner plate 31, an annular plate 32 and a plurality of plates 33, the inner plate 31 and the annular plate 32 are arranged in parallel and at intervals, the plurality of plates 33 are annularly and uniformly distributed between the inner plate 31 and the annular plate 32, the plates 33 are fixedly connected with the inner plate 31 and the annular plate 32, and the plates 33 are located at the edges of the inner plate 31 and the annular plate 32. With reference to fig. 1, the power source includes bypass pipe 5, the one end of bypass pipe 5 is connected to water inlet structure 11, the other end is connected to water outlet structure 12, and the rivers in water inlet structure 11 can enter into one side of water outlet structure 12 from bypass pipe 5, bypass pipe 5 is located one end of water outlet structure 12 and stretches to reverse leading wheel 3's position, and the direction of arranging of slab 33 is relative with the rivers in bypass pipe 5, make the rivers in bypass pipe 5 can impact the inside that makes rivers enter reverse leading wheel 3 to the slab 33, thereby rivers can promote reverse leading wheel 3 and rotate, and also can subtract the energy of a part of rivers through reverse leading wheel 3, then the rivers after subtracting the energy are flowed out by the center that reverse leading wheel 3 set up annular plate 32.
Referring to fig. 3 and 4, the water inlet guide wheel 2 includes a circular plate 21 and a plurality of spiral blades 22, the center of the circular plate 21 is coaxially and fixedly provided with a rotating shaft 6, and one end of the rotating shaft 6 penetrates through two friction disks 4 and an inner plate 31, so that the rotating shaft 6 is rotatably connected to the bottom plate 121. Both friction discs 4 and inner plate 31 are rotatably connected to the shaft 6 so that the shaft 6 rotatably supports the counter guide wheel 3 and the water inlet guide wheel 2. The circular plate 21 is provided with a guide cone 23, the central line of the guide cone 23 is overlapped with the central line of the circular plate 21, the guide cone 23 is positioned on one surface of the circular plate 21 far away from the rotating shaft 6, the tip of the guide cone 23 is far away from the circular plate 21, the plurality of spiral blades 22 are fixed on the guide cone 23, the plurality of spiral blades 22 are uniformly distributed on the side wall of the guide cone 23 in the circumferential direction, and the spiral directions of the spiral blades 22 on the two guide cones 23 in one group are opposite. When the water flow impacts the spiral blade 22, the inclined direction of the water flow guided by the spiral blade 22 above the upper surface of the bottom plate 121 is the same, so that the water flow can push the water inlet guide wheel 2 to rotate.
Referring to fig. 3 and 4, a plurality of top pillars 7 are arranged on the friction disc 4, the plurality of top pillars 7 are located on one surface of the friction disc 4, the plurality of top pillars 7 are uniformly distributed in the circumferential direction of the friction disc 4, the top pillars 7 are arranged between the friction disc 4 and the inner plate 31 and between the friction disc 4 and the circular plate 21, the two friction discs 4 can be relatively extruded through the top pillars 7, and then extrusion force is generated between the friction discs 4, when the friction disc 4 rotates, energy of water flow is consumed by relative friction between the friction discs 4, and meanwhile heat generated by the friction disc 4 can be taken away through the water flow, so that overheating of the friction disc 4 is avoided.
Referring to fig. 5 and 6, the top pillar 7 includes a sleeve 71, a spring 72 and a cylinder 73, one end of the sleeve 71 is used for being fixed on the inner plate 31 or the circular plate 21, the other end of the sleeve 71 is used for being inserted into the cylinder 73, one end of the cylinder 73 far away from the sleeve 71 is fixed on the friction disc 4, the spring 72 is arranged in a spiral shape, the spring 72 is located in the sleeve 71, one end of the spring 72 abuts against the inner plate 31 or the circular plate 21, the other end of the spring 72 abuts against the cylinder 73, the cylinder 73 extends out of the sleeve 71 under the action force of the spring 72, and therefore the friction disc 4 can form a relative pressing force.
Referring to fig. 5 and 6, the sleeve 71 includes a polygonal cylinder 711 and a circular cylinder 712, the polygonal cylinder 711 and the circular cylinder 712 are welded and fixed, a center line of the polygonal cylinder 711 coincides with a center line of the circular cylinder 712, the circular cylinder 712 is slidably fitted with the cylinder 73, the polygonal cylinder 711 is fitted with the polygonal cylinder 74, the polygonal cylinder 74 is slidably connected in the polygonal cylinder 711, the polygonal cylinder 74 is provided with an inclined surface 741, one end of the polygonal cylinder 74 is used for abutting against one end of the spring 72 away from the cylinder 73, the inclined surface 741 is located at the other end of the polygonal cylinder 74, the gravity ball 75 is disposed in the polygonal cylinder 711, the gravity ball 75 is disposed in a space formed by the inclined surface 741 and the polygonal cylinder 711, and the inclined surface 741 is inclined in a direction gradually away from the friction disc 4 from a center of the friction disc 4 to an edge of the friction disc 4, and the gravity ball 75 abuts against the inclined surface 741, when the friction disc 4 rotates, the gravity ball 75 receives a centrifugal force, the gravity ball 75 is made to press the polygonal column 74 to move in the direction of the friction disc 4, and a pressing force is generated on the friction disc 4, so that the gravity ball 75 can reduce the influence of energy dissipation reduction caused by abrasion generated after the friction disc 4 is used for a long time, and the service life of the friction disc 4 is prolonged.
Referring to fig. 1, a water blocking ridge 8 is disposed on the bottom plate 121 downstream of the water inlet guide wheel 2 and the reverse guide wheel 3, and the water blocking ridge 8 is perpendicular to the direction of the water flow, so that the water blocking ridge 8 can further reduce the energy of the water flow.
The embodiment of the application discloses porous hedging energy dissipation implementation method for hydraulic structures, including adopting to be provided with into water guide wheel 2 in groups and carrying out the drainage with the opposite direction of rivers, adopt reverse guide wheel 3 to rotate with the opposite direction of guide wheel 2 that intakes simultaneously and drive two friction discs 4 relative rotation and make the energy of rivers change into the heat energy of rivers, and then reach the purpose that reduces the rivers energy.
The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. A porous hedging energy dissipation structure for hydraulic buildings comprises a water inlet structure (11) and a water outlet structure (12), wherein the water outlet structure (12) comprises a bottom plate (121), and is characterized in that: the bottom plate (121) is provided with water inlet guide wheels (2), the water inlet guide wheels (2) are provided with a plurality of groups, each group of water inlet guide wheels (2) is provided with two groups, and the directions of water flow deflection guided by the two water inlet guide wheels (2) of each group are opposite;
every the equal coaxial coupling of guide pulley (2) of intaking has reverse guide pulley (3), reverse guide pulley (3) are located intake guide pulley (2) and keep away from the one end in overflow dam (1), reverse guide pulley (3) are connected and are driven reverse guide pulley (3) pivoted power supply to reverse guide pulley (3) and the rotation direction of intaking guide pulley (2) are opposite, equal coaxial coupling has a friction disc (4) on the relative one side of guide pulley (2) and reverse guide pulley (3) of intaking to two friction discs (4) extrude relatively.
2. The porous hedging energy dissipation structure for hydraulic buildings according to claim 1, wherein: the power source comprises a bypass pipe (5), one end of the bypass pipe (5) is communicated with the water inlet structure (11), and the other end of the bypass pipe extends into the water outlet structure (12) and is matched with the reverse guide wheel (3).
3. The porous hedging energy dissipation structure for hydraulic buildings according to claim 1, wherein: the water inlet guide wheel (2) comprises a circular plate (21) and a plurality of spiral blades (22), the spiral blades (22) are uniformly distributed on the circumferential direction of the center line of the circular plate (21), the spiral blades (22) are positioned on one surface, facing the water inlet structure (11), of the circular plate (21), and the spiral directions of the spiral blades (22) on the two circular plates (21) in one group are opposite.
4. The porous hedging energy dissipation structure for the hydraulic structure according to claim 3, characterized in that: a guide cone (23) is fixed on one surface of the circular plate (21) provided with the spiral blade (22), the central line of the guide cone (23) is superposed with the central line of the circular plate (21), and the spiral blade (22) is fixed on the side wall of the guide cone (23).
5. The porous hedging energy dissipation structure for hydraulic buildings according to claim 1, wherein: be connected with fore-set (7) on friction disc (4), fore-set (7) are including sleeve (71), spring (72) and cylinder (73), cylinder (73) are inserted to the one end of sleeve (71), spring (72) are located sleeve (71), and the tip butt of spring (72) is located the one end in sleeve (71) at cylinder (73), the one end that sleeve (71) were kept away from in cylinder (73) is fixed on friction disc (4), the one end that sleeve (71) kept away from in cylinder (73) is used for fixing on reverse guide pulley (3) or water inlet guide pulley (2).
6. The porous hedging energy dissipation structure for hydraulic structures according to claim 5, wherein: the sleeve (71) comprises a multi-edge barrel (711) and a round barrel (712), the multi-edge barrel (711) is fixed at one end of the round barrel (712), a cylinder (73) is connected in the round barrel (712), a multi-prism (74) is connected in the multi-edge barrel (711), one end, far away from the cylinder (73), of the spring (72) abuts against the multi-prism (74), an inclined surface (741) is formed in one end, far away from the spring (72), of the multi-prism (74), a gravity ball (75) is arranged in the multi-edge barrel (711), the gravity ball (75) abuts against the inclined surface (741), and the inclined surface (741) is gradually far away from the friction disk (4) from the center of the friction disk (4) to the edge of the friction disk (4).
7. The porous hedging energy dissipation structure for hydraulic buildings according to claim 1, wherein: the reverse guide wheel (3) comprises an inner plate (31), an annular plate (32) and a plurality of plates (33), wherein the annular plate (32) and the inner ring are arranged in parallel at intervals, the plates (33) are fixed between the inner plate (31) and the annular plate (32) and fixed with the inner plate (31) and the annular plate (32), and the plates (33) are located on the edge of the inner plate (31).
8. The porous hedging energy dissipation structure for hydraulic buildings according to claim 1, wherein: and a water retaining ridge (8) fixed on the bottom plate (121) is arranged at the downstream of the water inlet guide wheel (2).
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| Publication number | Priority date | Publication date | Assignee | Title |
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| GB1534603A (en) * | 1975-09-02 | 1978-12-06 | Maezawa Kogyo | Sleeve valve |
| CN103410774B (en) * | 2013-07-26 | 2015-07-22 | 周国强 | Split type air guide impeller assembly of centrifugal compressor |
| CN105133555B (en) * | 2015-09-28 | 2017-01-11 | 安徽理工大学 | Step type and spiral reverse rotation bottom sill type combined energy dissipation facility and energy dissipation method |
| CN105569912A (en) * | 2016-03-01 | 2016-05-11 | 朱安心 | Comprehensive hydraulic power generation system |
| CN208578014U (en) * | 2018-07-11 | 2019-03-05 | 深圳市中浦信建设集团有限公司 | It is a kind of to liquidate the energy dissipation tank of structure with suck-back |
| CN109024507B (en) * | 2018-07-21 | 2020-05-29 | 四川启创建设工程有限公司 | Hydraulic engineering energy dissipater structure |
| CN110131215B (en) * | 2019-06-05 | 2024-02-09 | 广州市昕恒泵业制造有限公司 | Flow guiding body structure for pump |
| CN112281767B (en) * | 2020-09-27 | 2021-11-19 | 广东粤源工程咨询有限公司 | Dam spillway structure and construction method thereof |
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