CN202157298U - Sophisticated-simulating system of sand-laden flow river engineering model - Google Patents
Sophisticated-simulating system of sand-laden flow river engineering model Download PDFInfo
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- CN202157298U CN202157298U CN2011200364086U CN201120036408U CN202157298U CN 202157298 U CN202157298 U CN 202157298U CN 2011200364086 U CN2011200364086 U CN 2011200364086U CN 201120036408 U CN201120036408 U CN 201120036408U CN 202157298 U CN202157298 U CN 202157298U
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Abstract
This utility model discloses a sophisticated-simulating system of a sand-laden river engineering model, which has a water-sand circulation function, a sand-laden flow circular evolution function, a soil-sand sorting function, and a water-sand separation function and controls the functions precisely; the system disclosed by this utility model is composed of a stirring tank, a constant-speed sand adding device, a motor, stirring blades, an overflowing open channel, an inlet valve, an electromagnetic flow-meter, an organic glass groove, a tail water tank, a water pumping soft tube, a water pump, a model sand sorting groove, a clear water tank and the like which are connected mutually, wherein a steady-flow transverse column is arranged on the inlet steady-flow section of the organic glass groove; an experiment/observation section is provided with measuring devices such as air through holes; a tail sill, a tail door and a drop grade section are arranged on a tail door section; the back part of the tail water tan is connected with the model sand sorting groove and the clear water tank; thus, an sand-laden flow circular evolution experiment, an scour-and-fill balance experiment and the model sand sorting on condition of constant flow sand content can be processed.
Description
Affiliated technical field
The utility model relates to the experimental facilities of a kind of meticulous simulation river conservancy worker and hydraulics, especially can realize the accurate control of the husky circulation of water, silt carrying flow circulation evolution, silt sorting, the husky separation of water and model system.
Background technology
At present, known silt carrying flow river model is to be connected to form in order by stirring pool, import steady flow segment, experimental observation section, tail-gate section and afterbay etc.According to requirement of experiment a certain proportion of water sand being put into stirring pool mixes; By water pump the silt carrying flow of certain flow is pumped to water inlet; Through the current stabilization changeover portion, the smooth-going entering experimental observation of current section, and through the morphological feature of silt carrying flow with the interaction change riverbed of bed surface silt; Use scope (chaining pin, piezometer tube etc.) to the hydraulic parameter of each measuring point experimentize observation and record, back current get into the tail-gate section and also flow into afterbay and accomplish and test.But the flow that the stirring pool of general silt carrying flow river model can not be in experimentation extracts clear water according to water pump is gaza at the uniform velocity in proportion; General silt carrying flow river model use water pump carries out river conservancy worker's simulated experiment from the silt carrying flow that stirring pool extracts certain flow, because the restriction of water pump self frequency conversion characteristic makes it be difficult to the stable and continuous experiment flow of regulating; The import steady flow segment of general silt carrying flow river model needs long distance to make current smooth-going; The experimental observation section of general silt carrying flow river model does not possess the function of measuring the section instantaneous velocity; The tail-gate section of general silt carrying flow river model can not accurately be controlled tailwater level and the silt alluvial that effectively reduces in the afterbay; The current of general silt carrying flow river model can not directly recycle in experimentation after getting into afterbay, and stirring pool should satisfy the water demand of whole experiment, so volume is big, expensive big; General silt carrying flow river model does not possess sorting model sasnd and the husky function of separating of water, needs to build sand trap.
Summary of the invention
For the stirring pool that overcomes existing silt carrying flow river model can not be in experimentation according to pump capacity change in proportion at the uniform velocity that gaza, experiment flow can not change continuously, the section instantaneous velocity of the long distance of import steady flow segment needs, experimental observation section can't be measured, experimental observation section tailwater level can't accurately be controlled, afterbay can't subtract effectively that the water yield in what, the experimentation can not recycle and the deficiency of husky sorting of experimental system model-free and the husky separation function of water; The utility model provides a kind of silt carrying flow river model meticulous simulation system; The meticulous simulation system of this silt carrying flow river model can not only realize stirring pool in experimentation according to the variation of the pump capacity at the uniform velocity continuous adjusting of gaza, experiment flow in proportion, effectively shorten ordinary surveying, the experimental observation section tailwater level of distance, the experimental observation section instantaneous velocity of import steady flow segment accurate control, afterbay effectively subtract recycling of the water yield in what and the experimentation, and possess husky sorting of separate models and water sand separation function.
The utility model solves the technical scheme that its technical problem adopted: add at the uniform velocity gaza's device of funnel type on the stirring pool top of silt carrying flow river model, this device is formed by adding sandbox, gaza's funnel, hopper valve and sand-collecting slot; The stirring pool bottom elevation of silt carrying flow river model is raised to organic glass trench bottom elevation, adopts the overflow of open channel overflow mechanism, adopt imported valve to effluent; Import steady flow segment at the silt carrying flow river model adds the current stabilization spreader, is made up of perpendicular to the organic glass post interlaced arrangement of crossing flow path direction some row; Air vent is added in experimental observation section bottom at the silt carrying flow river model, uses rubber stopper to stop up air vent, and uses syringe to be connected with rubber stopper in the air vent bottom; Tail-gate section at the silt carrying flow river model is used the stripe shape tail-gate, and behind tail-gate, adds drop slope section; Between the stirring pool of silt carrying flow river model and afterbay, add the removable suction hose that connects by water pump; Behind the afterbay of silt carrying flow river model, add model sasnd sorting groove, and clear water reserviors are set are attached thereto around model.Model sasnd in adding sandbox is during via the adding the sandbox funnel and flow into the gaza funnel of bottom of top; Guaranteeing that model sasnd letdown flow that top adds the sandbox funnel is all the time greater than gaza's flow of gaza, bottom funnel and do not receive under the situation of external disturbance; Funnel top, gaza can form conical model sasnd stable accumulation body; If the open degree of gaza's hopper valve is certain, then model sasnd can be let out the gaza at the uniform velocity down by given pace; When experimental facilities circular flow; Water pump pumps the water in afterbay or the clear water reserviors to stirring pool; Draw water flow all the time under the situation greater than the imported valve letdown flow at water pump, and head height keeps constant in the stirring pool, and the unnecessary water yield is delivered to afterbay through the overflow open channel; Imported valve is kept constant letdown flow under constant head and open degree, letdown flow can be regulated between zero delivery and maximum stream flow continuously; When silt carrying flow when letting out under the imported valve to the import steady flow segment, the current stabilization spreader of interlaced arrangement makes turbulent flow be tending towards smooth-going, and generation and the silt carrying flow of having avoided reflexion and scour flow have greatly been shortened import steady flow segment length in the alluvial of this section; When current are flowed through the experimental observation section; Use syringe to inject air through rubber stopper to bed surface from bottom air vent; Simultaneously intense light source is set and bubble is taken pictures continuously, by the instantaneous velocity of bubble lateral displacement change calculations bubble position on the photo in experimental observation section one side; When silt carrying flow flow to tail-gate; Opens wide through regulating the tail water control gate can accurately be controlled tailwater level with height; The current of the drop slope section of then flowing through fall the big flow velocity of acquisition and impact tail water in the afterbay through water, can effectively reduce the silt alluvial in the afterbay; After silt carrying flow flows into afterbay through the tail-gate section; Water pump extracts tail water with certain the suitable flow that is slightly larger than the experiment letdown flow; Use flexible pipe to be delivered to stirring pool, in experimentation, realize recycling of the water yield, practiced thrift the experimental water amount, reduced the stirring pool volume; When silt carrying flow gets into the model sasnd sorting groove of experimental facilities bottom by afterbay; The hydraulic screen of model sasnd sorting groove is elected to be with making the sand grain in the silt carrying flow deposit successively by the descending order of particle diameter; Accomplish the sorting of model sasnd, current get into clear water reserviors through the filter screen dividing plate and finally accomplish the husky separation of water subsequently.
The beneficial effect of the utility model is: can be when accomplishing general silt carrying flow river model experiment, carry out easily at the uniform velocity that gaza, experiment flow are regulated continuously, section instantaneous velocity ordinary surveying, tailwater level are accurately regulated, model sasnd sorting and water are husky meticulous simulation and meticulous control such as separates; Through shortening import steady flow segment length and dwindling the stirring pool volume, reduced moulded dimension effectively, greatly practiced thrift the experiment water yield; Simultaneously; The meticulous simulation system of whole silt carrying flow river model is through layout and elevation design to the model different piece; Plane and vertical space have been made full use of; Realized that horizontal direction arranges compact and the in picturesque disorder combination of vertical direction, made the meticulous simulation system of this silt carrying flow river model have complete function, simple in structure, easy operating and the little and expensive few characteristics of volume.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is further specified.
Fig. 1 is the main TV structure sketch map of the utility model.
Fig. 2 is the A-A cross-sectional view of Fig. 1.
Fig. 3 is the device detail structure figure of at the uniform velocity gaza of the utility model.
Fig. 4 is that the observation section of the utility model is measured section detail structure figure.
Fig. 5 is the tail-gate detail structure figure of the utility model.
Fig. 6 is the filter screen dividing plate detail structure figure of the utility model.
1. stirring pools among the figure, 2. at the uniform velocity gaza's device, 3. motor, 4. paddle, 5. overflow open channel, 6. imported valve; 7. electromagnetic flowmeter, 8. current stabilization spreader, 9. organic glass groove (import steady flow segment, experimental observation section, tail-gate section), 10. chaining pin, 11. air vents, 12. piezometer tube; 13. tail-gate, 14. afterbays, 15. suction hoses, 16. water pumps, 17. dividing plates, 18. model sasnd sorting grooves; 19. the filter screen dividing plate, 20. clear water reserviors, 21. add sandbox, and 22. add the sandbox funnel, 23. gaza's funnels; 24. sand-collecting slot, 25. rubber stoppers, 26. syringes, 27. tail-gate standing valves, 28. organic glass bars; 29. the tail water control gate, 30. tail banks, 31. tail-gate slots, 32. upper screen, 33. lower floor's dividing plates.
The specific embodiment
The meticulous simulation system of a kind of silt carrying flow river model; By stirring pool (1), at the uniform velocity gaza's device (2), motor (3), paddle (4), overflow open channel (5), imported valve (6), electromagnetic flowmeter (7), organic glass groove (9), afterbay (14), suction hose (15), water pump (16), model sasnd sorting groove (18) and clear water reserviors (14) etc. connect to form, can carry out dashing silt balance test and model sasnd sorting under silt carrying flow circulation evolution experiment, the constant sediment concentration condition.
Silt carrying flow circulation evolution experiment.Before the system works, put into a certain proportion of water sand stirring pool (1) and adjust water level to overflow open channel (5) earlier, drive paddle (4) by motor (3) water sand in the pond is stirred.Slowly open imported valve (6), be adjusted to the required flow of experiment gradually, constantly add clear water to keep stirring pool (1) water level constant therebetween to stirring pool (1).Silt carrying flow gets into organic glass groove (9) by imported valve (6); The current stabilization spreader (8) of import steady flow segment makes current be tending towards smooth-going; Current carry out the husky exchange of water back at experimental observation section and the model sasnd bed surface that is laid on the bottom and flow into the tail-gate section; Tail-gate (13) locate through the adjustment top tail water control gate (29) opens wide and highly control tailwater level; And by the scour of tail bank (30) prevention current to the model sasnd bed surface, last silt carrying flow flows into afterbay (14) through drop-down section, can effectively reduce the deposition of silt in afterbay (14).When afterbay (14) water level rises to a certain degree, open water pump (16), use suction hose (15) that tail water in the pond is pumped to stirring pool (1), and stop to add water to stirring pool (1), system begins self-loopa.The husky exchange of water constantly takes place in silt carrying flow and model sasnd bed surface, and when treating that sediment concentration and bed surface form tend towards stability, system reaches towards the silt equilibrium state.At this moment, the electromagnetic flowmeter (7) that uses imported valve (6) to locate records the experiment flow; Use chaining pin (10) in the experimental observation section, piezometer tube measureing equipments such as (12) silt carrying flow in the section to be measured and writes down the experimental datas such as water level, pressure of each measuring point; Use syringe (26) to inject air through rubber stopper (25) to bed surface from bottom air vent (11); Simultaneously intense light source is set and bubble is taken pictures continuously, by the instantaneous velocity of bubble lateral displacement change calculations bubble position on the photo in experimental observation section one side.
Dash the silt balance test under the constant sediment concentration condition.Before the system works; Require to put into water sand in proportion stirring pool (1) and adjust water level to overflow open channel (5) with the design sand content earlier; Drive paddle (4) by motor (3) water sand in the pond is stirred, remove afterbay (14) and move in the clear water reserviors (14) with the dividing plate (17) of model sasnd sorting groove (18) junction and the suction hose (15) that afterbay (14) is held.Slowly open imported valve (6), be adjusted to the required flow of experiment gradually, constantly add the design concentration silt carrying flow to keep stirring pool (1) water level constant therebetween to stirring pool (1).Silt carrying flow gets into organic glass groove (9) by imported valve (6); The current stabilization spreader (8) of import steady flow segment makes current be tending towards smooth-going; Current carry out the husky exchange of water back at experimental observation section and the model sasnd bed surface that is laid on the bottom and flow into the tail-gate section; Tail-gate (13) locate through the adjustment top tail water control gate (29) opens wide and highly control tailwater level; And by the scour of tail bank (30) prevention current to the model sasnd bed surface; Silt carrying flow then flows into afterbay (14) through drop-down section, can effectively reduce the deposition of silt in afterbay (14), and the silt carrying flow in the afterbay (14) gets into model sasnd sorting groove (18); Silt in the current is accomplished the silt sorting along the journey deposition successively according to the descending order of particle diameter, and top layer low concentration silt carrying flow finally becomes clear water and flows into the husky separation of clear water reserviors (20) completion water through the filtration of screen pack dividing plate (19).Clear water water level in clear water reserviors (20) rises to a certain degree; Open water pump (16); Use suction hose (15) that clear water in the pond is pumped to stirring pool (1), open the at the uniform velocity valve of gaza's device (2) simultaneously, be adjusted to the required gaza of experiment flow rapidly; And stop to add silt carrying flow to stirring pool (1), system begins self-loopa.The husky exchange of water constantly takes place in silt carrying flow and model sasnd bed surface, and when treating that sediment concentration and bed surface form tend towards stability, system reaches towards the silt equilibrium state.At this moment, the electromagnetic flowmeter (7) that uses imported valve (6) to locate records the experiment flow; Use chaining pin (10) in the experimental observation section, piezometer tube measureing equipments such as (12) silt carrying flow in the section to be measured and writes down the experimental datas such as water level, pressure of each measuring point; Use syringe (26) to inject air through rubber stopper (25) to bed surface from bottom air vent (11); Simultaneously intense light source is set and bubble is taken pictures continuously, by the instantaneous velocity of bubble lateral displacement change calculations bubble position on the photo in experimental observation section one side.
The model sasnd sorting function.Before the system works; Earlier needing the model sasnd of sorting to put into stirring pool (1) and add water to overflow open channel (5); Driving paddle (4) by motor (3) stirs water sand in the pond; Remove the dividing plate (17) of the interior model sasnd movable bed of experimental observation section and afterbay (14) and model sasnd sorting groove (18) junction, with the tail-gate complete opening, and the suction hose (15) that afterbay (14) is held moves in the clear water reserviors (14).Slowly open imported valve (6), be adjusted to the required flow of sorting rapidly, constantly add clear water to keep stirring pool (1) water level constant therebetween to stirring pool (1).Silt carrying flow gets into organic glass groove (9) by imported valve (6); Flow through import steady flow segment, experimental observation section, tail-gate section gets into afterbay (14); Drop-down section behind the tail-gate (13) can effectively reduce the deposition of silt in afterbay (14); Silt carrying flow in the afterbay (14) gets into model sasnd sorting groove (18) back flow velocity and reduces; Silt in the current is accomplished the silt sorting along the journey deposition successively according to the descending order of particle diameter, and top layer low concentration silt carrying flow finally becomes clear water and flows into clear water reserviors (20) through the filtration of screen pack dividing plate (19).Clear water water level in clear water reserviors (20) rises to a certain degree, opens water pump (16), uses suction hose (15) that clear water in the pond is pumped to stirring pool (1), and stops to add clear water to stirring pool (1), and system begins self-loopa.Along with the reduction of (1) sediment concentration in the stirring pool reduces the flow that discharges water gradually, system accomplishes that water is husky to be separated when the sediment concentration in the stirring pool (1) is zero, the husky sorting function of implementation model.
Claims (8)
1. the meticulous simulation system of silt carrying flow river model is connected to form by stirring pool, import steady flow segment, experimental observation section, tail-gate section and afterbay etc. in order, it is characterized in that: funneling at the uniform velocity gaza device is added on the stirring pool top at river model; In the stirring pool part of river model, raise the bottom elevation of stirring pool and adopt overflow open channel and imported valve; Import steady flow segment at river model adds the current stabilization spreader; Air vent is added in experimental observation section bottom at river model; Use the stripe shape tail-gate in the tail-gate section of river model, and before tail-gate, add the tail bank, behind tail-gate, add drop slope section; Between the afterbay of river model and stirring pool, add the movably suction hose that connects by water pump; Model sasnd sorting groove and clear water reserviors are added in bottom at river model.
2. the meticulous simulation system of silt carrying flow river model according to claim 1; It is characterized in that: add at the uniform velocity gaza's device of funnel type on the stirring pool top of silt carrying flow river model, this device is formed by adding sandbox, gaza's funnel, hopper valve and sand-collecting slot.
3. the meticulous simulation system of silt carrying flow river model according to claim 1 is characterized in that: the stirring pool bottom elevation of silt carrying flow river model is raised to organic glass trench bottom elevation, adopts the overflow of open channel overflow mechanism, adopt imported valve to effluent.
4. the meticulous simulation system of silt carrying flow river model according to claim 1 is characterized in that: the import steady flow segment at the silt carrying flow river model adds the current stabilization spreader, is made up of perpendicular to the organic glass post interlaced arrangement of crossing flow path direction some row.
5. the meticulous simulation system of silt carrying flow river model according to claim 1; It is characterized in that: air vent is added in the experimental observation section bottom at the silt carrying flow river model; Use rubber stopper to stop up air vent, and use syringe to be connected with rubber stopper in the air vent bottom.
6. the meticulous simulation system of silt carrying flow river model according to claim 1 is characterized in that: the tail-gate section at the silt carrying flow river model is used the stripe shape tail-gate, and behind tail-gate, adds drop slope section.
7. the meticulous simulation system of silt carrying flow river model according to claim 1 is characterized in that: between the stirring pool of silt carrying flow river model and afterbay, add the removable suction hose that is connected by water pump.
8. the meticulous simulation system of silt carrying flow river model according to claim 1 is characterized in that: behind the afterbay of silt carrying flow river model, add the model sasnd sorting groove around model, and clear water reserviors are set are attached thereto.
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| CN2011200364086U CN202157298U (en) | 2011-02-11 | 2011-02-11 | Sophisticated-simulating system of sand-laden flow river engineering model |
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| CN2011200364086U CN202157298U (en) | 2011-02-11 | 2011-02-11 | Sophisticated-simulating system of sand-laden flow river engineering model |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103195013A (en) * | 2013-04-07 | 2013-07-10 | 重庆交通大学 | Water tank suspended load test all-in-one sand adding machine |
| CN104060570A (en) * | 2014-07-08 | 2014-09-24 | 浙江省水利河口研究院 | Method for simulating sand holding of water flow under gate |
| CN105136427A (en) * | 2015-09-21 | 2015-12-09 | 中国地质大学（北京） | Small-size deposition water channel sand circulation and flow quantitative control system |
| CN106669474A (en) * | 2017-01-10 | 2017-05-17 | 中国科学院水利部水土保持研究所 | Automatic control silt-carrying flow generation system |
| CN106706881A (en) * | 2016-12-16 | 2017-05-24 | 广东省生态环境技术研究所 | Method and device for achieving analog-matching runoff with stable flow and sand content |
| CN106759072A (en) * | 2017-03-09 | 2017-05-31 | 长江水利委员会长江科学院 | Take into account the river model drainage system and method for designing of bed surface stability and Quick drainage |
| CN108018824A (en) * | 2017-10-26 | 2018-05-11 | 四川大学 | A kind of Sedimentary Model of Braided River physical simulation test system |
| CN108572056A (en) * | 2018-06-28 | 2018-09-25 | 天津大学 | One kind is for the husky mutually feedback experimental monitoring system and method for complex condition river and lake water |
| CN109024465A (en) * | 2018-08-09 | 2018-12-18 | 广东水利电力职业技术学院（广东省水利电力技工学校） | Variable slope water flow movement track testing instrument with water sand separation function |
| CN111236138A (en) * | 2020-03-13 | 2020-06-05 | 浙江省水利河口研究院 | Multi-boundary combined water injection system and method for moving bed river work model |
| CN112179614A (en) * | 2020-08-26 | 2021-01-05 | 河海大学 | Bed surface lifting device for real-time silt flushing test of silt |
| CN113634017A (en) * | 2021-10-18 | 2021-11-12 | 中国水产科学研究院渔业工程研究所 | Sand setting circulating device for wave-flow water tank test tailings |
| CN116858492A (en) * | 2023-09-05 | 2023-10-10 | 浙江省水利河口研究院(浙江省海洋规划设计研究院) | Reciprocating flow sand conveying self-adaptive moving bed test water tank |
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2011
- 2011-02-11 CN CN2011200364086U patent/CN202157298U/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103195013A (en) * | 2013-04-07 | 2013-07-10 | 重庆交通大学 | Water tank suspended load test all-in-one sand adding machine |
| CN104060570A (en) * | 2014-07-08 | 2014-09-24 | 浙江省水利河口研究院 | Method for simulating sand holding of water flow under gate |
| CN104060570B (en) * | 2014-07-08 | 2016-06-22 | 浙江省水利河口研究院 | Current carrying analogy method under a kind of lock |
| CN105136427A (en) * | 2015-09-21 | 2015-12-09 | 中国地质大学（北京） | Small-size deposition water channel sand circulation and flow quantitative control system |
| CN106706881A (en) * | 2016-12-16 | 2017-05-24 | 广东省生态环境技术研究所 | Method and device for achieving analog-matching runoff with stable flow and sand content |
| CN106669474A (en) * | 2017-01-10 | 2017-05-17 | 中国科学院水利部水土保持研究所 | Automatic control silt-carrying flow generation system |
| CN106759072A (en) * | 2017-03-09 | 2017-05-31 | 长江水利委员会长江科学院 | Take into account the river model drainage system and method for designing of bed surface stability and Quick drainage |
| CN108018824B (en) * | 2017-10-26 | 2020-09-11 | 四川大学 | Braided river flow physical simulation test system |
| CN108018824A (en) * | 2017-10-26 | 2018-05-11 | 四川大学 | A kind of Sedimentary Model of Braided River physical simulation test system |
| CN108572056A (en) * | 2018-06-28 | 2018-09-25 | 天津大学 | One kind is for the husky mutually feedback experimental monitoring system and method for complex condition river and lake water |
| CN108572056B (en) * | 2018-06-28 | 2023-10-17 | 天津大学 | River and lake water and sand mutual feedback experiment monitoring system and method under complex conditions |
| CN109024465B (en) * | 2018-08-09 | 2020-06-02 | 广东水利电力职业技术学院（广东省水利电力技工学校） | Variable slope water flow movement track tester with water-sand separation function |
| CN109024465A (en) * | 2018-08-09 | 2018-12-18 | 广东水利电力职业技术学院（广东省水利电力技工学校） | Variable slope water flow movement track testing instrument with water sand separation function |
| CN111236138A (en) * | 2020-03-13 | 2020-06-05 | 浙江省水利河口研究院 | Multi-boundary combined water injection system and method for moving bed river work model |
| CN111236138B (en) * | 2020-03-13 | 2024-04-09 | 浙江省水利河口研究院 | Multi-boundary joint water injection system and method for moving bed river model |
| CN112179614A (en) * | 2020-08-26 | 2021-01-05 | 河海大学 | Bed surface lifting device for real-time silt flushing test of silt |
| CN113634017A (en) * | 2021-10-18 | 2021-11-12 | 中国水产科学研究院渔业工程研究所 | Sand setting circulating device for wave-flow water tank test tailings |
| US11674280B2 (en) | 2021-10-18 | 2023-06-13 | Fishery Engineering Research Institute, Chinese Academy Of Fishery Sciences | Sand setting circulating device for wave-current tank test tailings |
| CN116858492A (en) * | 2023-09-05 | 2023-10-10 | 浙江省水利河口研究院(浙江省海洋规划设计研究院) | Reciprocating flow sand conveying self-adaptive moving bed test water tank |
| CN116858492B (en) * | 2023-09-05 | 2024-02-13 | 浙江省水利河口研究院(浙江省海洋规划设计研究院) | Reciprocating flow sand conveying self-adaptive moving bed test water tank |
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