CN203947445U - One is chosen stream and jet combined energy dissipating experimental rig - Google Patents
One is chosen stream and jet combined energy dissipating experimental rig Download PDFInfo
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- CN203947445U CN203947445U CN201420381881.1U CN201420381881U CN203947445U CN 203947445 U CN203947445 U CN 203947445U CN 201420381881 U CN201420381881 U CN 201420381881U CN 203947445 U CN203947445 U CN 203947445U
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Abstract
The utility model relates to one and chooses stream and jet combined energy dissipating experimental rig, comprises water circulation system, overflow system and energy dissipating system.Water circulation system is formed by connecting by water tank, backwater channel, upper hose, water pump, is made up of, and is communicated with upper hose by expansion slot at the bottom of the case of three-tank current stabilization orifice plate and current stabilization baffle plate; Overflow system is made up of dam crest cambered surface section, dam facing section, arc section and flip bucket, and three-tank rectangle delivery port is connected mutually with dam crest cambered surface section; Energy dissipating system is made up of impeller, speed changer, generator, flip bucket and booster pump, the bearing of impeller is fixed on dam facing sidewall, between impeller and generator, install speed changer, booster pump rectangle outlet jet water course and flip bucket flip shot current collide energy dissipating aloft.The utility model is chosen stream and jet combined energy dissipating experimental rig, has the multiple instructional functions such as demonstration end bank energy dissipating, colliding energy dissipation, plunge pool, can provide synthesis experiment platform for hydraulic engineering class practical teaching.
Description
Technical field:
The utility model relates to one and chooses stream and jet combined energy dissipating experimental rig, belongs to dam flood-discharge energy-dissipating tech field.
Background technology:
Hydraulic engineering is to solve in socio-economic development and water resources development, utilization, protection, optimization, configuration, water problems that saving is relevant, emphasizes engineering to be converted into productivity, to ensure the sustainable development of local economy society.In recent years, along with national development of the West Regions and transferring electricity from the west to the east implementation, the high dam of a collection of 200～300m level will be built in western high mountain gorge area.These engineering in generals all have the flood discharge feature of high water head, large flow, have increased the difficulty that outlet structure escape works are arranged, have the contradiction that flood discharge power is excessive and downstream dissipator of energy space is very little.In high water head water conservancy and hydropower multi-purpose project, high-velocity flow flood-discharge energy-dissipating problem is one of main water conservancy project knowledge question of water conservancy, substantially takes at present to optimize the flood releasing structure bodily form and improves energy dissipating efficiency.Though this method obtains certain effect, facts have proved, fail effectively to solve in esse problem.
The high speed water that outlet structure escape works are led off fails to be convened for lack of a quorum underwater bed and bank slope is caused to erosion damage, and the safety of hydraulic structure is constituted a serious threat.In order to ensure the safety of hydraulic structure, need to take corresponding Energy Dissipation Measures.Outlet structure escape works downstream current are connected with the form of energy dissipating generally disspation through hydraudic jimp, flip trajectory bucket and submerged bucket dissipator.Disspation through hydraudic jimp is to take certain artificial measures in building downstream, controls the position that hydraulic jump occurs, and the surface roller producing by hydraulic jump and strong turbulent fluctuation are to reach the object of energy dissipating.Flip trajectory bucket is to utilize out the flip bucket of stream part and the huge kinetic energy that current are carried under one's arms, by under the torrent flip shot of letting out to the downstream away from building, the unlikely safety that affects building of scour hole that jet is caused riverbed, a complementary energy part for lower sluicing stream aloft dissipates, and major part forms water by both sides and rolls and eliminate after water thigh falls into water cushion pool downstream.Submerged bucket dissipator be when the level of tail water higher, and when more stable, take certain engineering measure, by under the upper strata of the high-velocity flow guiding downstream current let out, between main flow and riverbed, separated by huge underflow rotary roll, can avoid high-velocity flow to the washing away of riverbed, complementary energy mainly by overflow spread, the interaction of velocity flow profile adjustment and ground roller and main flow eliminates.
In water conservancy class professional incubation, understanding, the Link of Practice Teaching of strengthening the engineering hydraulics problems such as flood-discharge energy-dissipating are very important.
Utility model content:
The purpose of this utility model:
Provide one to choose stream and jet combined energy dissipating experimental rig, improve the mode of dam flood-discharge energy dissipating, realize the multiple teaching purposes such as hydraulic engineering class specialty demonstration end bank energy dissipating, overflow colliding energy dissipation, plunge pool.
Technical scheme: for solving the problems of the technologies described above, stream and the jet combined energy dissipating experimental rig chosen of the present utility model, comprise water circulation system, overflow system and energy dissipating system, water circulation system is used to form continuous, the stable circulating water flow that test needs, and meets the water requirements in process of the test; Overflow system is for simulating the stream that sluices under the overfall dam of key water control project; Energy dissipating system realizes the multiple teaching demonstration function of end bank energy dissipating, colliding energy dissipation and plunge pool;
Water circulation system comprises the first water tank, backwater channel and backwater channel import and backwater channel outlet, upper hose and upper hose import and upper hose outlet, the second water tank, water pump, support bar, three-tank, expansion slot, current stabilization orifice plate, current stabilization baffle plate, A rectangle delivery port and water tank top cover, the first water tank is connected with the backwater channel import of backwater channel, and the outlet forming with dam facing sidewall and flip bucket is connected; Backwater channel import is positioned at the outlet below of dam facing sidewall and flip bucket formation; Backwater channel is cuboid, and backwater channel import is connected with the first water tank, and backwater channel outlet is connected with the second water tank bottom; Upper hose is circular, and upper hose import is connected with the second water tank, and upper hose outlet is connected with the expansion slot of three-tank bottom; Expansion slot is the horizontal tri-prismoid of level, and the side of tri-prismoid level just in time formed the bottom surface of three-tank, and the bottom surface of three-tank is made up of current stabilization orifice plate and current stabilization baffle plate; The rectangle delivery port of three-tank is connected with the water inlet that dam facing sidewall and dam crest cambered surface section form; Rectangle water outlet height is lower than the height of dam facing sidewall; Totally four of support bars, and vertically connect the second water tank and expansion slot, supporting expansion slot and three-tank; The first water tank and three-tank top are opened type, and the second tank top is provided with water tank top cover; On water tank top cover, be fixed wtih water pump, and be provided with the circular hole that is communicated with upper hose;
Overflow system comprises dam facing sidewall, dam crest cambered surface section, dam facing section, arc section and flip bucket, and dam facing sidewall is connected mutually with the rectangle delivery port of dam crest cambered surface Duan Yu three-tank, and current are from dam crest cambered surface section along letting out formation surface current dam facing section; Dam crest cambered surface section vertical section adopts WES Section Design; Dam facing section bottom surface is plane, with dam crest cambered surface section and arc section smooth connection; Dam facing section and flip bucket in arc section smooth connection; Flip bucket and dam facing sidewall are connected with the first water tank, and can under the regulating action of height adjuster, change and choose stream angle.
Energy dissipating system comprises impeller, bearing, speed changer, generator, booster pump and height adjuster, and the bearing of impeller is fixed on dam facing sidewall; Between generator and impeller, install speed changer; Speed changer and impeller are coaxial; Speed changer and generator, impeller three's axle center is on same straight line; The delivery port of booster pump is rectangle delivery port, under the water impact wheel rotation of letting out, improve the revolution of generator by speed changer, the planar current of letting out under after the planar current that rectangle delivery port upwards ejects and overfull dam surface flip shot collide energy dissipating aloft.
As preferably, three-tank, in water inlet place, is taked the horizontal tri-prismoid expansion slot of level, current stabilization orifice plate and current stabilization baffle plate, keeps the A rectangle delivery port current of three-tank smooth-going, smooth.
As preferably, between generator and impeller, be equiped with speed changer, speed changer and generator, impeller three's axle center is on same straight line.
As preferably, the delivery port of booster pump is rectangle delivery port, increases the collision area of jet water course and overfull dam surface flip shot current.
As preferably, dam crest cambered surface section vertical section adopts the WES canonical profile design of CE, US Army water channel experiment station, and weir face pressure distributes more satisfactory, and negative pressure is little.
As preferably, the choosing stream angle and can regulate by height adjuster of flip bucket.
Beneficial effect: stream and the jet combined energy dissipating experimental rig chosen of the present utility model, has following beneficial effect:
(1) impeller in the utility model can be realized end bank energy dissipating, the upper impeller of installing in place, and high-velocity flow flows out and passes through impeller from overflow dam crest, impacts impeller and makes blade rotation, and current consume part energy while directly impacting impeller; After current contact blade, some current reflection produces turbulent flow, and between current, producing collision friction is thermal energy consumption part energy by kinetic transformation; Current are by after impeller, because centrifugal action current are upwards thrown, and the further energy dissipating that bumps of current while falling and below;
(2) booster pump of electric power storage below directly offering that generate electricity under impeller and speed changer drive of the generator in the utility model, dam earial drainage flow instability in reality, it is little when time is large, if be directly connected with generator, can have generator badly damaged, between adds that speed changer can effectively control generating voltage, protection generator;
(3) the first water tank in the utility model has the function of cushion pool, and protection the first water tank can not damage because of current scour;
(4) the booster pump installation site in the utility model is flexible, when test, be placed in cushion pool, the planar current that booster pump upwards sprays can collide energy dissipating with the planar opposite jet flow of flip bucket flip shot, in actual hydraulic engineering, position of sound production booster pump can seriously washed away, both can alleviate wash away, safe bank protection, also can reduce engineering quantity, manufacture of intraocular view.
Brief description of the drawings:
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the water circulation system schematic diagram in Fig. 1;
Fig. 3 is the overflow system schematic diagram in Fig. 1;
Fig. 4 is the energy dissipating system schematic in Fig. 1;
Fig. 5 is the structure chart of the booster pump in Fig. 1.
In figure: 1-water circulation system; 10-the first water tank; 11-backwater channel; The import of 111-backwater channel; The outlet of 112-backwater channel; 12-upper hose; The import of 121-upper hose; The outlet of 122-upper hose; 13-the second water tank; 14-water pump; 15-support bar; 16-three-tank; 161-expansion slot; 162-current stabilization orifice plate; 163-current stabilization baffle plate; 164-A rectangle delivery port; 17-water tank top cover; 2-overflow system; 21-dam facing sidewall; 22-dam crest cambered surface section; 23-dam facing section; 24-arc section; 25-flip bucket; 3-energy dissipating system; 31-impeller; 32-bearing; 33-speed changer; 34-generator; 35-transmission line; 36-booster pump; 37-height adjuster; 38-B rectangle delivery port.
Detailed description of the invention:
As shown in Figures 1 to 5, the utility model is chosen stream and jet combined energy dissipating experimental rig comprises water circulation system 1, overflow system 2 and energy dissipating system 3, water circulation system 1 is used to form continuous, the stable circulating water flow that test needs, and meets the water requirements in process of the test; Overflow system 2 is for simulating the stream that sluices under the overfall dam of key water control project; Energy dissipating system 3 realizes the multiple teaching demonstration function of end bank energy dissipating, colliding energy dissipation and plunge pool.
Wherein, water circulation system 1 comprises the first water tank 10, backwater channel 11 and backwater channel import 111 and backwater channel outlet 112, upper hose 12 and upper hose import 121 and upper hose outlet 122, the second water tank 13, water pump 14, support bar 15, three-tank 16, expansion slot 161, current stabilization orifice plate 162, current stabilization baffle plate 163, A rectangle delivery port 164 and water tank top cover 17, the first water tank 10 is connected with the backwater channel import 111 of backwater channel 11, and the outlet forming with dam facing sidewall 21 and flip bucket 25 is connected; Backwater channel import 111 is positioned at the outlet below that dam facing sidewall 21 and flip bucket 25 form; Backwater channel 11 is cuboid, and backwater channel import 111 is connected with the first water tank 10, and backwater channel outlet 112 is connected with the second water tank 13 bottoms; Upper hose 12 is circular, and upper hose import 121 is connected with the second water tank 13, and upper hose outlet 122 is connected with the expansion slot 161 of three-tank 16 bottoms; Expansion slot 161 is the horizontal tri-prismoid of level, and the side of tri-prismoid level just in time formed the bottom surface of three-tank 16, and the bottom surface of three-tank 16 is made up of current stabilization orifice plate 162 and current stabilization baffle plate 163; The A rectangle delivery port 164 of three-tank 16 is connected with the water inlet that dam facing sidewall 21 and dam crest cambered surface section 22 form; A rectangle delivery port 164 height are lower than the height of dam facing sidewall 21; Totally four of support bars 15, and vertically connect the second water tank 13 and expansion slot 161, supporting expansion slot 161 and three-tank 16; The first water tank 10 and three-tank 16 tops are opened type, and the second water tank 13 tops are provided with water tank top cover 17; On water tank top cover 17, be fixed wtih water pump 14, and be provided with the circular hole that is communicated with upper hose 12;
Overflow system 2 comprises dam facing sidewall 21, dam crest cambered surface section 22, dam facing section 23, arc section 24 and flip bucket 25, dam facing sidewall 21 is connected with the A rectangle delivery port 164 of three-tank 16 mutually with dam crest cambered surface section 22, and current are let out formation surface current 23 from dam crest cambered surface section 22 along dam facing section; Dam crest cambered surface section 22 vertical sections adopt WES Section Design; Dam facing section 23 bottom surfaces are plane, with dam crest cambered surface section 22 and arc section 24 smooth connections; Dam facing section 23 and flip bucket 25 in arc section 24 smooth connections; Flip bucket 25 and dam facing sidewall 21 are connected with the first water tank 10, and can under the regulating action of height adjuster 37, change and choose stream angle.
Energy dissipating system 3 comprises impeller 31, bearing 32, speed changer 33, generator 34, booster pump 36 and height adjuster 37, and the bearing 32 of impeller 31 is fixed on dam facing sidewall 21; Between described generator 34 and impeller 31, install speed changer 33; Described speed changer 33 is coaxial with described impeller 31; Described speed changer 33 and generator 34, impeller 31 threes' axle center is on same straight line; The delivery port of described booster pump 36 is B rectangle delivery port 38, under the water impact impeller 31 let out rotate, improve the revolution of generator 34 by speed changer 33, the planar current of letting out under after the planar current that B rectangle delivery port 38 upwards ejects and overfull dam surface flip shot collide energy dissipating aloft.
In the present embodiment, length × wide × the height of the first water tank 10 in water circulation system 1 is 1.2m × 2.0m × 1.8m, length × wide × the height of the second water tank 13 is 0.8m × 1.0m × 0.4m, length × wide × the height of three-tank 16 is 0.8m × 1.3m × 1.0m, length × the height of the A rectangle delivery port 164 of three-tank 16 is 0.66m × 0.15m, the height of support bar 15 is 4.0m, and the caliber of upper hose 12 is 0.08m; The height of the dam facing sidewall 21 in overflow system 2 is 0.25m, dam crest cambered surface section 22, dam facing section 23, arc section 24 and flip bucket 25 are wide is 0.66m, impeller 31 is made up of length × wide 5 blades for 0.6m × 0.105m, the blade minimum point of impeller 31 and dam facing section 23 are at a distance of 0.005m, and impeller 31 is coaxial with speed changer 33; Speed changer 33 is with generator 34, impeller 31 threes' axle center on same straight line, and the central angle of arc section 24 is 53 °, and the angle of choosing of flip bucket 25 is 12 °～30 °, realizes turning to flip shot face of current and dam body is not produced to excessive impact force.A rectangle delivery port 164 bottoms coincide and are connected with dam crest cambered surface section 22, when retaining in three-tank 16 reach a certain amount of after, water in three-tank 16 is let out for 23 from dam crest cambered surface section 22 along dam facing section and is formed after surface current impact impeller 31, and flow through arc section 24 and flip bucket 25 flip shots are to aerial.The high speed water jet impact impeller 31 that utilizes dam crest cambered surface section to let out for 22 times rotates, and drives speed changer 33 to rotate, and acceleration generator 34 rotary electrifications, for the booster pump 36 that is placed in the first water tank 10 is powered.
In the present embodiment, between generator 34 and impeller 31, install the speed changer 33 of 1: 27 additional, solved after water impact blade, turn up is less than the problem of power generation needs, and generator 34 maximum (top) speeds reach 1905r/min, power output 60W, the rated power of booster pump 36 is 45W, and H-Max is 2m.In process of the test booster pump 36 under generator 34 drives, upwards eject planar current with under let out the planar opposite jet flow of flip shot, reach good energy dissipating demonstration effect.This device can be used for the synthetic instruction model demonstration of hydroelectric generation and dam energy dissipating, and good demonstration effect is enlightening strong.
The above is only preferred embodiment of the present utility model; be noted that for those skilled in the art; do not departing under the prerequisite of the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (6)
1. choose stream and jet combined energy dissipating experimental rig for one kind, main body comprises water circulation system (1), overflow system (2) and energy dissipating system (3), it is characterized in that: described water circulation system (1) is used to form continuous, the stable circulating water flow of test needs, meets the water requirements in process of the test; Described overflow system (2) is for simulating the stream that sluices under the overfall dam of key water control project; Described energy dissipating system (3) realizes the multiple teaching demonstration function of end bank energy dissipating, colliding energy dissipation and plunge pool;
Described water circulation system (1) comprises the first water tank (10), backwater channel (11) and backwater channel import (111) and backwater channel outlet (112), upper hose (12) and upper hose import (121) and upper hose outlet (122), the second water tank (13), water pump (14), support bar (15), three-tank (16), expansion slot (161), current stabilization orifice plate (162), current stabilization baffle plate (163), A rectangle delivery port (164) and water tank top cover (17), described the first water tank (10) is connected with the backwater channel import (111) of described backwater channel (11), and the outlet forming with dam facing sidewall (21) and flip bucket (25) is connected, described backwater channel import (111) is positioned at the outlet below of described dam facing sidewall (21) and flip bucket (25) formation, described backwater channel (11) is cuboid, and backwater channel import (111) is connected with described the first water tank (10), and backwater channel outlet (112) is connected with described the second water tank (13) bottom, described upper hose (12) is circular, upper hose import (121) is connected with described the second water tank (13), and upper hose outlet (122) is connected with the expansion slot (161) of described three-tank (16) bottom, the A rectangle delivery port (164) of described three-tank (16) is connected with the water inlet that dam facing sidewall (21) and dam crest cambered surface section (22) form, described A rectangle delivery port (164) height is lower than the height of described dam facing sidewall (21), totally four of described support bars (15), and vertically connect the second water tank (13) and expansion slot (161), supporting expansion slot (161) and three-tank (16), described the first water tank (10) and three-tank (16) top are opened type, and described the second water tank (13) top is provided with water tank top cover (17), on described water tank top cover (17), be fixed wtih described water pump (14), and be provided with the circular hole that is communicated with upper hose (12),
Described overflow system (2) comprises dam facing sidewall (21), dam crest cambered surface section (22), dam facing section (23), arc section (24) and flip bucket (25), and described dam facing sidewall (21) is connected with the A rectangle delivery port (164) of three-tank (16) mutually with dam crest cambered surface section (22); Described dam crest cambered surface section (22) vertical section adopts WES Section Design; Described dam facing section (23) bottom surface is plane, with described dam crest cambered surface section (22) and arc section (24) smooth connection; Described arc section (24) in smoothing junction dam facing section (23) and flip bucket (25);
Described energy dissipating system (3) comprises impeller (31), bearing (32), speed changer (33), generator (34), booster pump (36) and height adjuster (37), and the bearing (32) of described impeller (31) is fixed on dam facing sidewall (21); Described speed changer (33) is coaxial with described impeller (31); Described booster pump (36) is placed in the first water tank (10), and B rectangle delivery port (38) jet water course of described booster pump (36) and flip bucket (25) flip shot current collide energy dissipating aloft.
2. stream and the jet combined energy dissipating experimental rig chosen according to claim 1, it is characterized in that: described expansion slot (161) is the horizontal tri-prismoid of level, and the side of tri-prismoid level has just in time formed the bottom surface of described three-tank (16), the bottom surface of described three-tank (16) is made up of current stabilization orifice plate (162) and current stabilization baffle plate (163).
3. stream and the jet combined energy dissipating experimental rig chosen according to claim 1, it is characterized in that: described flip bucket (25) and dam facing sidewall (21) are connected with the first water tank (10), and can under the regulating action of height adjuster (37), change and choose stream angle.
4. stream and the jet combined energy dissipating experimental rig chosen according to claim 1, it is characterized in that: A rectangle delivery port (164) bottom of described three-tank (16) is connected with dam crest cambered surface section (22), and current are from dam crest cambered surface section (22) along letting out formation surface current dam facing section (23).
5. stream and the jet combined energy dissipating experimental rig chosen according to claim 1, it is characterized in that: between described generator (34) and impeller (31), install the speed changer (33) of 1: 27, described speed changer (33) and generator (34), impeller (31) three's axle center is on same straight line; Under the water impact impeller (31) let out rotate, improve the revolution of generator (34) by speed changer (33).
6. stream and the jet combined energy dissipating experimental rig chosen according to claim 1, it is characterized in that: the delivery port of described booster pump (36) is B rectangle delivery port (38), the planar current of letting out under after the planar current that it upwards ejects and overfull dam surface flip shot collide energy dissipating aloft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420381881.1U CN203947445U (en) | 2013-07-11 | 2014-07-10 | One is chosen stream and jet combined energy dissipating experimental rig |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320412824.0 | 2013-07-11 | ||
| CN201320412824 | 2013-07-11 | ||
| CN201420381881.1U CN203947445U (en) | 2013-07-11 | 2014-07-10 | One is chosen stream and jet combined energy dissipating experimental rig |
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| CN203947445U true CN203947445U (en) | 2014-11-19 |
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| CN105486601A (en) * | 2015-12-18 | 2016-04-13 | 中国电建集团贵阳勘测设计研究院有限公司 | Method for simulating washout of dam overflow surface and test structure model adopted by method |
| CN105625281A (en) * | 2016-01-27 | 2016-06-01 | 河南省郑州水利学校 | Construction method for weir flow combined energy dissipation device |
| CN105672215A (en) * | 2016-01-27 | 2016-06-15 | 河南省郑州水利学校 | Weir flow joint energy dissipation device |
| CN105679167A (en) * | 2016-01-29 | 2016-06-15 | 中国科学院、水利部成都山地灾害与环境研究所 | Novel debris flow provenance dam break experiment water tank device and realization method thereof |
| CN106192868A (en) * | 2016-06-21 | 2016-12-07 | 黑龙江省水利科学研究院 | A kind of dykes and dams high water level soaks stability test groove |
| CN109272850A (en) * | 2018-11-12 | 2019-01-25 | 河海大学 | A kind of totally enclosed type overfall dam overflow demonstrating experiment device |
| CN109737003A (en) * | 2018-10-15 | 2019-05-10 | 兰州理工大学 | A kind of water outlet chooses stream lever energy dissipating electricity generation system |
| CN110004891A (en) * | 2017-05-10 | 2019-07-12 | 西华大学 | A kind of energy dissipating method of hydraulic and hydroelectric engineering |
| CN110930851A (en) * | 2019-12-30 | 2020-03-27 | 南昌工程学院 | Trajectory jet fluidized bed scouring experimental device and experimental method |
| CN113101703A (en) * | 2021-03-17 | 2021-07-13 | 浙江司邦齐环境科技有限公司 | Rainwater desilting basin device for hydraulic engineering |
| CN114525753A (en) * | 2022-02-23 | 2022-05-24 | 河南省科达水利勘测设计有限公司 | WES type composite weir transformation engineering experimental device |
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| CN105486601B (en) * | 2015-12-18 | 2019-01-15 | 中国电建集团贵阳勘测设计研究院有限公司 | The test structure model that the method and this method for simulating the erosion of dam spillwag chute use |
| CN105486601A (en) * | 2015-12-18 | 2016-04-13 | 中国电建集团贵阳勘测设计研究院有限公司 | Method for simulating washout of dam overflow surface and test structure model adopted by method |
| CN105625281A (en) * | 2016-01-27 | 2016-06-01 | 河南省郑州水利学校 | Construction method for weir flow combined energy dissipation device |
| CN105672215A (en) * | 2016-01-27 | 2016-06-15 | 河南省郑州水利学校 | Weir flow joint energy dissipation device |
| CN105679167A (en) * | 2016-01-29 | 2016-06-15 | 中国科学院、水利部成都山地灾害与环境研究所 | Novel debris flow provenance dam break experiment water tank device and realization method thereof |
| CN106192868A (en) * | 2016-06-21 | 2016-12-07 | 黑龙江省水利科学研究院 | A kind of dykes and dams high water level soaks stability test groove |
| CN110004891A (en) * | 2017-05-10 | 2019-07-12 | 西华大学 | A kind of energy dissipating method of hydraulic and hydroelectric engineering |
| CN110004891B (en) * | 2017-05-10 | 2020-08-07 | 西华大学 | Energy dissipation method for hydraulic and hydroelectric engineering |
| CN109737003B (en) * | 2018-10-15 | 2020-06-12 | 兰州理工大学 | Water outlet part trajectory lever type energy dissipation power generation system |
| CN109737003A (en) * | 2018-10-15 | 2019-05-10 | 兰州理工大学 | A kind of water outlet chooses stream lever energy dissipating electricity generation system |
| CN109272850A (en) * | 2018-11-12 | 2019-01-25 | 河海大学 | A kind of totally enclosed type overfall dam overflow demonstrating experiment device |
| CN110930851A (en) * | 2019-12-30 | 2020-03-27 | 南昌工程学院 | Trajectory jet fluidized bed scouring experimental device and experimental method |
| CN113101703A (en) * | 2021-03-17 | 2021-07-13 | 浙江司邦齐环境科技有限公司 | Rainwater desilting basin device for hydraulic engineering |
| CN114525753A (en) * | 2022-02-23 | 2022-05-24 | 河南省科达水利勘测设计有限公司 | WES type composite weir transformation engineering experimental device |
| CN114525753B (en) * | 2022-02-23 | 2024-05-28 | 河南省科达水利勘测设计有限公司 | WES type composite weir transformation engineering experiment device |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141119 Termination date: 20170710 |