CN205421198U - Sediment trapping bank of power station intake - Google Patents
Sediment trapping bank of power station intake Download PDFInfo
- Publication number
- CN205421198U CN205421198U CN201620195840.2U CN201620195840U CN205421198U CN 205421198 U CN205421198 U CN 205421198U CN 201620195840 U CN201620195840 U CN 201620195840U CN 205421198 U CN205421198 U CN 205421198U
- Authority
- CN
- China
- Prior art keywords
- intake
- sediment trapping
- trapping bank
- power station
- sediment
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Barrages (AREA)
Abstract
The utility model relates to a water power station technology field specifically provides a sediment trapping bank of power station intake, including sediment trapping bank body. Sediment trapping bank body includes the upstream face that is close to upper reaches rivers, and the upstream face is the arc concave surface. This sediment trapping bank of power station intake has alleviateed power station intake sediment accumulation, has improved the shoal materials and has drawn husky effect, has improved intake rivers flow state.
Description
Technical field
This utility model relates to power station technical field, in particular to the sediment trapping bank of a kind of power station intake.
Background technology
In tortuous channel power station, narrow mountain valley, typically choosing water channeling type power station, its intake is often arranged in the concave bank side in river course, uses the mode of " lateral intake, forward sand surfing and blowdown " to carry out top layer blowdown, middle layer water withdrawal, the layout of bottom sand surfing.Excessively deposit for silt before preventing intake, typically sediment trapping bank is set at intake, generally conventional sediment trapping bank is straight line or broken line type, there is relatively mitre with upper river side slope, therefore current flow through sediment trapping bank position and flow to constantly undergo mutation, and fluidised form is disorderly, paroxysmal vertical vortex easily occurs at intake, and be attended by suspended load and enter intake with current, the hydraulic turbine will be caused for a long time to damage, threaten the safe operation in power station.
General section, hub station place gradient of river bed is less, and flow rate of water flow is less than normal, can cause Sediment Siltation under heavy traffic condition before sediment trapping bank; when Sediment Siltation reaches certain elevation; when threatening the safe operation of hydro plant intake, need to take to shut down spacious letting out, carry out low water level and draw husky operation.Owing to conventional sediment trapping bank is straight line or broken line type, there is relatively mitre with upper river side slope, flow to when current flow through sediment trapping bank undergo mutation, thus cause and draw husky effect poor.
Utility model content
The purpose of this utility model is to provide the sediment trapping bank of a kind of power station intake, to alleviate power station intake Sediment Siltation, improves shoal materials and draws husky effect, improve intake flow-shape.
This utility model is achieved in that
The sediment trapping bank of a kind of power station intake, including sediment trapping bank body, sediment trapping bank body includes the upstream face near upstream current, and upstream face is arc-shaped concave.
Further, above-mentioned sediment trapping bank body also includes that the first side wall, the second sidewall, the first side wall, the second sidewall are connected to two sidewalls that intake is corresponding.
Further, above-mentioned sediment trapping bank body also includes roof, diapire, and diapire is connected to the base plate of intake, and roof is parallel to horizontal plane.
Further, above-mentioned sediment trapping bank body also includes the back side away from upstream face, and back side is arcwall face, and one end of back side extends to roof, and the other end of back side extends to the base plate of intake.
Further, above-mentioned back side is connected transition with roof by arcwall face.
Further, by cement adhesion between above-mentioned diapire and the base plate of intake, also by cement adhesion between two sidewalls that the first side wall, the second sidewall are corresponding with intake.
Further, the longitudinal central axis line direction of the intake that above-mentioned sediment trapping bank body is corresponding is at an acute angle with water (flow) direction.
Further, above-mentioned sediment trapping bank body is arranged at the end of water inlet end of intake.
Further, the upstream sidewall that above-mentioned upstream face is corresponding with intake is tangent.
Further, the elevation of above-mentioned sediment trapping bank body is higher than the elevation 4～6m in riverbed.
The beneficial effect that this utility model realizes: by the sediment trapping bank body of the sediment trapping bank of power station intake is arranged to arc-shaped concave near the upstream face of upstream current, owing to the upper water stream before sediment trapping bank is usually Solution of Flow in Curved Channel, thus upstream current flow to intake again and first contact with upstream face, the structure of upstream face arc-shaped concave is arranged, make the current contacted by the common effect by gravity and centrifugal intertia force, and current are except having longitudinal flow velocity (being perpendicular to the flow velocity of the cross-section of river), there is also radial direction and vertical flow velocity, thus the formation spiral flow that is superimposed, cause the concave bank side at flow direction intake place, top layer, thus intake can obtain top layer clear water.Bottom flow direction deviation sediment trapping bank, has therefore driven bottom silt away from sediment trapping bank, has enhanced and draw husky effect, alleviate Sediment Siltation.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of this utility model embodiment, the accompanying drawing used required in embodiment will be briefly described below, it is to be understood that, the following drawings illustrate only some embodiment of the present utility model, therefore the restriction to scope it is not construed as, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other relevant accompanying drawings according to these accompanying drawings.
The structural representation of the sediment trapping bank of the power station intake that Fig. 1 provides for embodiment of the present utility model；
The top view of the sediment trapping bank of the power station intake that Fig. 2 provides for embodiment of the present utility model；
The front view of the sediment trapping bank of the power station intake that Fig. 3 provides for embodiment of the present utility model；
The sediment trapping bank of the power station intake that Fig. 4 provides for embodiment of the present utility model is applied to the water intaking sand prevention schematic diagram of the first mountain area Practical Project；
The sediment trapping bank of the power station intake that Fig. 5 provides for embodiment of the present utility model water intaking sand prevention figure in the second mountain area Practical Project.
Reference collects: the sediment trapping bank 100 of power station intake；Sediment trapping bank body 110；Upstream face 111；The first side wall 112；Second sidewall 113；Roof 114；Diapire 115；Back side 116；Intake 200；Riverbed 300；Upstream sidewall 400；Scouring sluice 500；Sluice 600.
Detailed description of the invention
Below by specific embodiment and combine accompanying drawing this utility model is described in further detail.
See accompanying drawing 1, the sediment trapping bank 100 of a kind of power station intake that embodiment of the present utility model provides, including sediment trapping bank body 110, sediment trapping bank body 110 is entity, sediment trapping bank body 110 is arranged at intake, the current that its effect mainly enters intake to upper water stream carry out sediment trapping operation so that substantial amounts of silt can be intercepted by sediment trapping bank body 110, thus more clear water can enter in intake.
Sediment trapping bank body 110 includes the upstream face 111 near upstream current, and upstream face 111 is arc-shaped concave.With reference to accompanying drawing 4, accompanying drawing 5, the surface that first upstream face 111 of sediment trapping bank body 110 contacts with current when flowing through at intake for upstream current, in the present embodiment, upstream face 111 is the arc-shaped concave of horizontal direction, when upstream current contact with upstream face 111, the contact surface of arc has certain buffer capacity to the impact of current, make the current contacted with upstream face 111 by the common effect by gravity and centrifugal intertia force, and current are except having longitudinal flow velocity, there is also radial direction and vertical flow velocity, thus the formation spiral flow that is superimposed, cause the concave bank side at flow direction intake 200 place, top layer, thus intake 200 can obtain top layer clear water.Bottom flow direction deviation sediment trapping bank body 110, has therefore driven bottom silt away from sediment trapping bank body 110, has enhanced and draw husky effect, alleviate Sediment Siltation.
Seeing accompanying drawing 2, upstream face 111 tilts to the water (flow) direction of intake 200, and its angle of inclination is less than 30 degree, and this structure is arranged so that upper strata current can pass through sediment trapping bank body 110 well, and current mobility at sediment trapping bank body 110 is more preferable.
Seeing accompanying drawing 1, accompanying drawing 4, accompanying drawing 5, sediment trapping bank body 110 also includes that the first side wall the 112, second sidewall 113, the first side wall the 112, second sidewall 113 are connected to two sidewalls of intake 200 correspondence.The shape of the first side wall the 112, second sidewall 113 and the form fit of the sidewall of the both sides of intake 200, see accompanying drawing 2, accompanying drawing 3, and in the present embodiment, the first side wall 112 and the second sidewall 113 tilt both with respect to vertical direction.This set can fully shape with intake 200 mate so that intake 200 can be intercepted by sediment trapping bank body 110 fully so that current can only be covered in entrance intake 200 by the top of sediment trapping bank body 110.Meanwhile, the silt that the current in entrance intake 200 contain also can lack as far as possible.
Seeing accompanying drawing 4, accompanying drawing 5, sediment trapping bank body 110 is arranged at the end of the water inlet end of intake 200.The longitudinal central axis line direction of the intake 200 installing sediment trapping bank body 110 is at an acute angle with water (flow) direction.This set, make upstream current when entering at intake 200, current are not to flow in the longitudinal central axis line direction directed along intake 200, silt can preferably be flushed away with the flow direction of current, current also are able to preferably be intercepted by silt with this arc-shaped concave effect of upstream face 111, and be pulled away under the effect of current in a large number, it is not easy at bulk deposition on the riverbed 300 of intake 200.Further, the upstream sidewall 400 that upstream face 111 is corresponding with intake 200 is tangent.So that the current of upstream can preferably act on upstream face 111, it is possible to preferably current are produced a centrifugal intertia force, it is more beneficial for the interception of silt and separates.
See accompanying drawing 1, sediment trapping bank body 110 also includes roof 114, diapire 115, the diapire 115 of sediment trapping bank body 110 is connected to the base plate of intake 200, and do not have gap between the diapire 115 of sediment trapping bank body 110 and the base plate of intake 200, thus current can not enter in intake 200 from the bottom of sediment trapping bank body 110.The roof of sediment trapping bank body 110 is parallel to horizontal plane, and this set is so that current can flow more smoothly when covering sediment trapping bank body 110.
In the present embodiment, by cement adhesion between diapire 115 and the base plate of intake 200 of sediment trapping bank body 110, also by cement adhesion between two sidewalls that the first side wall the 112, second sidewall 113 is corresponding with intake 200.By the connected mode of cement so that connect more firm, better tightness, thus sediment trapping bank body 110 is less likely to occur to loosen and be destroyed under the impact of long-term current and silt.Forming additionally, sediment trapping bank body 110 can also be poured by cement, certainly, the material of sediment trapping bank body 110 can also be the steel etc. with good shock resistance and corrosive power.Certainly, in other embodiments, it is also possible to connect sediment trapping bank body 110 and intake 200 by other connected modes such as clamping or fixture.
See accompanying drawing 1, sediment trapping bank body 110 also includes the back side 116 away from upstream face 111, back side 116 is arcwall face, specifically, in the present embodiment, back side 116 is arc-shaped concave, and one end of back side 116 extends to roof 114, the other end of back side 116 extends to the base plate of intake 200, and the bottom of back side 116 is tangent with the base plate of intake 200.The structure of above-mentioned back side 116 is arranged so that current are when covering sediment trapping bank body 110 and entering intake 200, and its streamline smoothes out, and the water surface can be tranquiler, can effectively alleviate the generation of the paroxysmal vertical-axis eddy caused due to sudden drawdown.Therefore so that more preferable by the mobility of current during sediment trapping bank body 110.Certainly, in other embodiments, can also be arc convex by back side 116, it also can be well to the mobile performance strengthening current.
Further, in the present embodiment, between back side 116 with roof 114, it is connected transition by arcwall face.It is to say, be provided with rounding in the junction of roof 114 with back side 116, this set makes current can preferably carry out transition flow when flowing to back side 116 from roof, thus the flowing of current is more stable, more smooth and easy.
The elevation of sediment trapping bank body 110 has the biggest impact to its sediment trapping effect, and sediment trapping bank body is too low, may result in and effectively can not intercept the silt of bottom, thus a large amount of silt carries out intake 200 so that the water silt content in intake 200 is bigger.And sediment trapping bank body 110 is too high, the most easily make the current of upstream can not enter well in intake 200.Therefore, in the present embodiment, the elevation of sediment trapping bank body 110 is higher than the elevation 4～6m in riverbed 300.In the case of this set can have water inlet well ensureing intake 200, the sediment trapping bank 100 of power station intake can have well sediment trapping, draw husky effect.
See accompanying drawing 4, for the sediment trapping bank 100 of the power station intake in the present embodiment being applied to the example of the first mountain area Practical Project in figure, for the water channeling type electric station in bending mountain channel in this engineering, intake 200 is located at the left side concave bank in river course, and its longitudinal central axis line and water (flow) direction layout in an acute angle.The sediment trapping bank 100 of this practicality power station intake is installed before intake 200, diapire 115 is closely coupled with the base plate of intake 200, the first side wall the 112, second sidewall 113 is closely coupled with the two of intake 200 sidewalls, and its upstream face 111 is tangent with upstream sidewall 400, side, downstream is connected to scouring sluice 500 porch.This engineering once arranged linear type and broken line type sediment trapping bank, but experiment shows all to cause before sediment trapping bank Sediment Siltation, and spacious letting out draws husky effect undesirable.The sediment trapping bank 100 using this utility model power station intake has carried out model test, sediment trapping bank body 110 front riverbed 300 elevation is 2987 meters, sediment trapping bank body 110 cope level is 2992 meters, higher than riverbed 300 5 meters, front reservoir basin, power station paving sand arrives elevation 2988.8m, upstream is also carried out lasting gaza simultaneously, carrys out flow for boundary flow 120m3During/s, scouring sluice 500 and sluice 600 are slowly opened, until standard-sized sheet.Spacious letting out is drawn husky 2 hours, and reservoir area silt is rushed at downstream in a large number, and the big portion of silt of the basic part before the upstream face 111 of sediment trapping bank body 110 is flushed away, and silt is also introduced into the intake 200 in power station.Under each generating operation mode of the test drafted, the depth of immersion of the intake 200 in power station is the biggest, and upstream is come, and flow is the most comparatively small (is more than boundary flow 120m because of when flow3During/s, the method for operation of hinge does not generate electricity for spacious letting out), therefore reservoir area water velocity is the least, and the water surface before intake 200 is the tranquilest, occurs without the bad fluidised form such as whirlpool, backflow.Even additionally, in the case of level of dead water, the water surface before intake 200 is the tranquilest, the flow-shape before intake 200 disclosure satisfy that power station water intaking requirement.
See accompanying drawing 5, for the sediment trapping bank 100 of the power station intake in the present embodiment being applied to the example of the second mountain area Practical Project in figure, this engineering river course is still mountain area tortuous channel, river course is narrow, still use water channeling type electric station, intake 200 is located at the left side concave bank in river course, and intake 200 longitudinal central axis line and streamflow direction layout in an acute angle.The sediment trapping bank 100 of the power station intake that this utility model provides is installed before intake 200.In this engineering, the floor elevation of intake 200 is relatively low, elevation is 2310m, 3m lower than the bed elevation before intake 200, therefore the separately installed sediment trapping bank 100 of power station of the present utility model intake at intake 200 position, for preventing silt from entering intake 200, in this engineering, sediment trapping bank 100 vertical height of power station intake is bigger, the cope level of sediment trapping bank body 110 is 2314.5m, the diapire 115 of sediment trapping bank body 110 is closely coupled with the base plate of intake 200, the first side wall 112, second sidewall 113 is closely coupled with the two of intake 200 sidewalls, and its upstream face 111 is tangent with upstream sidewall 400, side, downstream is connected to scouring sluice 500 porch.This engineering once arranged linear type and broken line type sediment trapping bank, but experiment shows all to cause Sediment Siltation before sediment trapping bank.This utility model is used to carry out model test.Owing to hydro plant intake uses jorum shape of the mouth as one speaks water inlet, reservoir area is relatively big in addition, and water inlet has a certain distance from sluice 600, and the back side 116 of sediment trapping bank body 110 is arcwall face and tangent with the base plate of intake 200 in addition.When high water level is generated electricity, the fluidised form of intake 200 is without any adverse effect, and after lock, the downstream such as tailrace training wall does not interferes with the fluidised form of intake 200 about the optimization of building yet, and before intake 200, water surface fluidised form is fine, the tranquilest, occur without the bad fluidised form such as whirlpool, backflow.Further, during the minimum operation water level of power station, the inflow of intake gate is at 163.8m3About/s, it is possible to meet the requirement of generating diversion.
In reservoir area at hinge, when Sediment Siltation elevation is less than 2311.5m, in the case of each reservoir level runs, substantially enter the intake 200 in power station without silt, when Sediment Siltation elevation is higher than 2311.5m, then need to carry out drawing sand.Paving sand is to elevation 2311.5m, and upstream is also carried out gaza simultaneously, flows for boundary flow, scouring sluice 500 and sluice 600 standard-sized sheet, and spacious letting out is drawn husky 2 hours, and model test shows, low water level draws husky operation effectiveness preferable.It is in operation, reaches certain elevation when monitoring Sediment Siltation, when threatening the safe operation of intake 200 in power station, need to take to shut down spacious letting out, carry out low water level and draw husky operation, the effect not having silting before intake 200 can be reached.
In sum, by the sediment trapping bank body 110 of the sediment trapping bank 100 of power station intake is arranged to arc-shaped concave near the upstream face 111 of upstream current, owing to the upper water stream before sediment trapping bank is usually Solution of Flow in Curved Channel, thus upstream current flow to intake again and first contact with upstream face 111, upstream face 111 is that the structure of arc-shaped concave is arranged, make the current contacted by the common effect by gravity and centrifugal intertia force, make current except having longitudinal flow velocity (being perpendicular to the flow velocity of the cross-section of river), there is also radial direction and vertical flow velocity, thus the formation spiral flow that is superimposed, cause the concave bank side at flow direction intake 200 place, top layer, thus intake 200 can obtain top layer clear water.Bottom flow direction deviation sediment trapping bank, has therefore driven bottom silt away from sediment trapping bank, has enhanced and draw husky effect, alleviate Sediment Siltation.
For making the purpose of this utility model embodiment, technical scheme and advantage clearer, above in conjunction with the accompanying drawing in this utility model embodiment, carry out clearly and completely describing to the technical scheme in this utility model embodiment, obviously, described embodiment is a part of embodiment of this utility model rather than whole embodiments.Generally can with various different configurations arrange and design with the assembly of this utility model embodiment that represent described in accompanying drawing herein.
Therefore, the detailed description of the above embodiment of the present utility model to providing in the accompanying drawings is not intended to limit claimed scope of the present utility model, but is merely representative of selected embodiment of the present utility model.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of this utility model protection.
In description of the present utility model, it should be noted that, term " " center ", on " ", D score, " left ", " right ", " vertically ", " level ", " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, or this utility model product orientation usually put or position relationship when using, it is for only for ease of description this utility model and simplifies description, rather than indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.Describe additionally, term " first ", " second ", " the 3rd " etc. are only used for distinguishing, and it is not intended that indicate or hint relative importance.
In description of the present utility model, in addition it is also necessary to explanation, unless otherwise clearly defined and limited, term " is arranged ", " installation ", " being connected ", " connection " should be interpreted broadly, and connects for example, it may be fixing, can also be to removably connect, or be integrally connected；Can be to be mechanically connected, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, can be the connection of two element internals.For the ordinary skill in the art, above-mentioned term concrete meaning in this utility model can be understood with concrete condition.
Claims (10)
1. the sediment trapping bank of a power station intake, it is characterised in that including that sediment trapping bank body, described sediment trapping bank body include the upstream face near upstream current, described upstream face is arc-shaped concave.
The sediment trapping bank of power station the most according to claim 1 intake, it is characterised in that described sediment trapping bank body also includes that the first side wall, the second sidewall, described the first side wall, described second sidewall are connected to two sidewalls that intake is corresponding.
The sediment trapping bank of power station the most according to claim 2 intake, it is characterised in that described sediment trapping bank body also includes that roof, diapire, described diapire are connected to the base plate of described intake, and described roof is parallel to horizontal plane.
The sediment trapping bank of power station the most according to claim 3 intake, it is characterized in that, described sediment trapping bank body also includes the back side away from described upstream face, described back side is arcwall face, one end of described back side extends to described roof, and the other end of described back side extends to the described base plate of described intake.
The sediment trapping bank of power station the most according to claim 4 intake, it is characterised in that described back side is connected transition with described roof by arcwall face.
The sediment trapping bank of power station the most according to claim 3 intake, it is characterized in that, by cement adhesion between described diapire and the described base plate of described intake, also by cement adhesion between two sidewalls that described the first side wall, described second sidewall are corresponding with described intake.
The sediment trapping bank of power station the most according to claim 1 intake, it is characterised in that the longitudinal central axis line direction of the described intake that described sediment trapping bank body is corresponding is at an acute angle with water (flow) direction.
The sediment trapping bank of power station the most according to claim 7 intake, it is characterised in that described sediment trapping bank body is arranged at the end of the water inlet end of described intake.
The sediment trapping bank of power station the most according to claim 8 intake, it is characterised in that the upstream sidewall that described upstream face is corresponding with described intake is tangent.
10. according to the sediment trapping bank of the power station intake described in claim 1～9 any one, it is characterised in that the elevation of described sediment trapping bank body is higher than the elevation 4～6m in riverbed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620195840.2U CN205421198U (en) | 2016-03-14 | 2016-03-14 | Sediment trapping bank of power station intake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620195840.2U CN205421198U (en) | 2016-03-14 | 2016-03-14 | Sediment trapping bank of power station intake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205421198U true CN205421198U (en) | 2016-08-03 |
Family
ID=56546421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620195840.2U Expired - Fee Related CN205421198U (en) | 2016-03-14 | 2016-03-14 | Sediment trapping bank of power station intake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205421198U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106284196A (en) * | 2016-09-09 | 2017-01-04 | 济南舜景医药科技有限公司 | Water transferring canal |
| CN110258471A (en) * | 2019-06-05 | 2019-09-20 | 中国电建集团成都勘测设计研究院有限公司 | Riverbed water intaking mouth structure for the water intaking of power station forward direction |
-
2016
- 2016-03-14 CN CN201620195840.2U patent/CN205421198U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106284196A (en) * | 2016-09-09 | 2017-01-04 | 济南舜景医药科技有限公司 | Water transferring canal |
| CN110258471A (en) * | 2019-06-05 | 2019-09-20 | 中国电建集团成都勘测设计研究院有限公司 | Riverbed water intaking mouth structure for the water intaking of power station forward direction |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206591500U (en) | A kind of laterally-graded rectifier type stiling basin for river course of turning | |
| CN205421198U (en) | Sediment trapping bank of power station intake | |
| CN208685753U (en) | A kind of municipal box culvert sewage converging system | |
| CN106930199B (en) | Improve the fairing of arc Box-shaped Drainage Culvert water outlet fluidised form | |
| CN209603092U (en) | A kind of dam sluice gate sand discharge apparatus | |
| CN104278738A (en) | Pump station base, pump station and mounting method for pump station | |
| CN213329229U (en) | Pump station combination rectification structure | |
| CN209619940U (en) | A kind of erosion control brush-type ecological slope protection | |
| CN111350171A (en) | Low-head dam fishway with high silt content and large fluctuation of water head | |
| CN110552331A (en) | Composite energy dissipater suitable for long-distance and complex-terrain slope surface drainage | |
| CN205586623U (en) | Rainwater silt basin device | |
| CN108130948A (en) | A kind of pressure current water inlet flow channel system suitable for deeper subsurface draining Boosting pumping station | |
| CN101929144A (en) | Oil containment backwater bay | |
| CN208183679U (en) | A kind of underflow energy dissipation structure | |
| CN110644446B (en) | Three-dimensional rectifying pool and rectifying method for lateral inflow of pump station | |
| CN208501857U (en) | A kind of drainage system that Box-shaped Drainage Culvert is not deposited | |
| CN208563439U (en) | A kind of hammed water dam water intaking structure | |
| CN209169289U (en) | Electrolyte guiding device and battery | |
| CN108104075B (en) | Rigid water-blocking structure for reducing water leakage quantity at edge wall of lower end of water-blocking curtain wall | |
| CN209011286U (en) | A kind of integrated pump station energy dissipator | |
| CN101418562B (en) | Adjustable intake apparatus for hydraulic power plant | |
| CN205978660U (en) | Door is clapped to flotation tank formula | |
| CN209636749U (en) | Structure is choked water in a kind of combination of labyrinth weir | |
| CN108867588A (en) | A kind of powerplant intakes stratified pumping stoplog door gear | |
| CN111576324B (en) | Channel type forebay of large-scale pump station and design method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160803 Termination date: 20190314 |