CN206680961U - A kind of Hydraulic and Hydro-Power Engineering priming device - Google Patents
A kind of Hydraulic and Hydro-Power Engineering priming device Download PDFInfo
- Publication number
- CN206680961U CN206680961U CN201720463719.8U CN201720463719U CN206680961U CN 206680961 U CN206680961 U CN 206680961U CN 201720463719 U CN201720463719 U CN 201720463719U CN 206680961 U CN206680961 U CN 206680961U
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- housing
- rack
- intercept
- intercept net
- grid
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Abstract
The utility model discloses a kind of Hydraulic and Hydro-Power Engineering priming device, belongs to river course diversion field, and technical problems to be solved are how effectively to manage block dirt, lead dirty, blowdown work everywhere in irrigating gate；Its structure includes housing, agitating device, sundry intercepting device and controller, water inlet is offered on the right side wall of housing, diversion outlet is offered on the left side wall of housing, screen pack is provided with water inlet, the periphery of screen pack is provided with protective cover, and diversion is provided with filter in outlet；Agitating device includes motor, agitating shaft and impeller；Sundry intercepting device includes intercept net, intercepts rack, intercepts grid and lowering or hoisting gear, intercept net and interception grid are each attached to and intercepted on rack, grid are intercepted with intercept net group into the receiving space that can accommodate debris, lowering or hoisting gear, which can drive, intercepts the top that rack drops at protective cover or drives interception rack to rise to protective cover.The utility model can effectively handle blocking dirt, leading dirty, blowdown work for irrigating gate.
Description
Technical field
River course diversion field is the utility model is related to, specifically a kind of Hydraulic and Hydro-Power Engineering priming device.
Background technology
Rainwash is during collecting, or streamflow is after the regions such as forest zone, village or cities and towns are flowed through, unavoidably
Ground can carry the floating objects such as deadwood leaf, water plant, house refuse, industrial soil secretly.On the more river course streams of floating object
All kinds of irrigating gates are arranged, is both needed to resolve and blocks dirt, leads dirty, blowdown work, on the more river course of floating object, intake goes to past
Need to set trash rack or floatation type pollutant-blocking grate is set on the water surface to intercept floating object, existing diversion mode generally use
Charging pump is drawn water, and generally requires to pour into substantial amounts of diversion into water pump in advance, air in water pump is extruded, then air pump enters
Row draws water, and draws water be required for substantial amounts of diversion every time, and river course water diversion is smaller, easily blocks, and wastes substantial amounts of manpower
Material resources, it is difficult to realize the continual drinking-water operation of high efficiency.
How effectively to be managed everywhere in irrigating gate and block dirt, lead dirty, blowdown work, be to solve the problems, such as.
The content of the invention
Technical assignment of the present utility model is the deficiency for more than, there is provided a kind of Hydraulic and Hydro-Power Engineering priming device, is come
Solve the problems, such as how effectively to manage everywhere in irrigating gate and block dirt, lead dirty, blowdown work.
Technical assignment of the present utility model is realized in the following manner：
A kind of Hydraulic and Hydro-Power Engineering priming device, including housing, agitating device, sundry intercepting device and controller, shell
Water inlet is offered on the right side wall of body, diversion outlet is offered on the left side wall of housing, filtering is provided with water inlet
Net, the periphery of screen pack are provided with protective cover, and diversion is provided with filter in outlet；Agitating device includes motor, agitating shaft
And impeller, motor are arranged on the top of housing, the top of agitating shaft and the output axis connection of motor, the bottom of agitating shaft are interted
Enter in housing, impeller is located in housing and is fixed on the bottom of agitating shaft；Sundry intercepting device include intercept net, intercept rack,
Intercept grid and lowering or hoisting gear, intercept net frame are arranged on lowering or hoisting gear, intercept net and interception grid are each attached to and intercepted on rack, block
The periphery that grid are arranged in intercept net is cut, grid and intercept net group is intercepted and is set into the receiving space that can accommodate debris, lowering or hoisting gear
In the outside of housing, lowering or hoisting gear can drive interception rack to drop at protective cover or drive interception rack to rise to protection
The top of cover, the area of intercept net are more than the area of the opening of protective cover；Above-mentioned motor is connected with controller.
Wherein, between the electronic river course of agitating device and housing water flowing, intercept net and intercept grid coordinate intercept debris enter
Enter in protective cover, so as to avoid debris from entering in housing, filter further filters to water in housing.
Further, to be sequentially connected and be formed by cross tube, left cross bar, sheer pole and right cross bar head and the tail based on interception rack
The rectangular framework of opening, left cross bar and right cross bar are the bent rod of arc-shaped, and intercept net is fixed on above-mentioned interception rack
On, and the longitudinal section of intercept net is curved, intercepts grid and is centered around on above-mentioned cross tube, left cross bar, sheer pole and right cross bar, intercepts
The receiving space of grid and above-mentioned intercept net group into inner end in arc-shaped.Relative to the receiving space of plane, receiving space
Inner end can accommodate more debris in arc-shaped, while also in rack moving process is intercepted debris can be prevented from receiving space
Drop.
Further, filter includes filter frame, geotextiles and filter packing, and filter frame is bottom surface and top surface
The case type structures being open, filter packing are filled in the inner chamber of above-mentioned filter frame, and geotextiles are coated on above-mentioned filter frame
In bottom surface opening and top surface opening, above-mentioned filter is vertical to be fixed in diversion outlet.
Further, the filter packing is the different gravel of particle diameter, along diversion water (flow) direction, the particle diameter of gravel by greatly to
Small setting.
Further, totally two sets of above-mentioned agitating device, respectively positioned at the left part of housing left agitating device and be located at
The right agitating device of the right part of housing, the motor in right agitating device are connected with controller.
Further, the medial end portions of the bottom wall of housing, which are sunk, forms precipitation chamber, and suction dredge is provided with housing, suction dredge
The roof of dredging tube through housing extends to precipitation chamber.Suction dredge can discharge the silt precipitated in housing, avoid sinking in housing
The flowing of water in the influence to sediment housing in shallow lake, while add the service life of the water conservancy and hydropower priming device.
A kind of Hydraulic and Hydro-Power Engineering priming device of the present utility model has advantages below：
1st, agitating device drives water to enter in housing, and floating refuse etc. can be adsorbed at water inlet in sundry intercepting device
Debris so that the no-sundries into the water in housing, while intercept rack can by lifting load onto liter, be easy to staff timely
Cleaning is attached to the debris between intercept net and interception grid, and the filter in diversion exit further enters to water in housing
Row filtering, above-mentioned cooperation ensure to block progress that is dirty, leading dirty, blowdown work at irrigating gate；
2nd, it is bow to intercept left cross bar and right cross bar in rack, and the longitudinal section of intercept net is curved, above-mentioned intercept net
Frame, intercept net and interception grid composition inner end are in the receiving space of arc-shaped, add the volume of receiving space, can accommodate more
More debris, while can prevent that debris drops from receiving space in uphill process；
3rd, filter includes geotextiles and filter packing, the silt that further can mix in filter water, it is ensured that diversion goes out
Water derived from mouthful is clean；
4th, precipitation chamber is provided with housing, water in housing can be precipitated, while suction dredge can inhale the mud of precipitation
Go out in housing, avoid the flowing of water in a large amount of influence to sediment housings of accumulation in housing, while add the service life of the device,
It further ensure that the clean degree from water derived from diversion outlet.
Brief description of the drawings
The utility model is further illustrated below in conjunction with the accompanying drawings.
Accompanying drawing 1 is a kind of structural representation of Hydraulic and Hydro-Power Engineering priming device of embodiment 1；
Accompanying drawing 2 is intercept net in embodiment 1, intercepts rack and intercept the structural representation of grid；
Accompanying drawing 3 is a kind of structural representation of Hydraulic and Hydro-Power Engineering priming device of embodiment 2；
In figure：1st, housing, 2, motor, 3, agitating shaft, 4, hydraulic means, 5, lifting support, 6, lifting supporting table, 7, lifting
Axle, 8, intercept rack, 9, intercept grid, 10, water inlet, 11, protective cover, 12, impeller, 13, geotextiles I, 14, filter layer I,
15th, filter layer II, 16, filter layer III, 17, geotextiles II, 18, filter frame, 19, intercept net, 20, screen pack, 21, inhale mud
Machine, 22, suction dredge support, 23, precipitation chamber, 24, mudhole；
Wherein, 81, cross tube, 82, right cross bar, 83, sheer pole, 84, left cross bar 82；
211st, mud-suction nozzle, 212, dredging tube, 213, sludge out pipe, 214, mud discharging nozzle.
Embodiment
A kind of Hydraulic and Hydro-Power Engineering of the present utility model is made with priming device with reference to Figure of description and specific embodiment
It is explained in detail below.
Embodiment 1：
As shown in Figures 1 and 2, a kind of Hydraulic and Hydro-Power Engineering priming device of the present utility model, including housing 1,
Agitating device, sundry intercepting device and controller, offer water inlet 10 on the right side wall of housing 1, on the left side wall of housing 1
Diversion outlet is offered, is provided with screen pack 20 on water inlet 10, the periphery of screen pack 20 is provided with protective cover 11, and diversion goes out
Filter is provided with mouthful；Agitating device includes motor 2, agitating shaft 3 and impeller 12, and motor 2 is arranged on the top of housing 1,
The top of agitating shaft 3 and the output axis connection of motor 2, the bottom of agitating shaft 3 are interted in housing 1, and impeller 12 is located at housing 1
Bottom that is interior and being fixed on agitating shaft 3；Sundry intercepting device includes intercept net 19, intercepts rack 8, intercepts grid 9 and lowering or hoisting gear,
Intercept rack 8 to be arranged on lowering or hoisting gear, intercept net 19 and interception grid 9 are each attached to and intercepted on rack 8, intercept grid 9 and are arranged in
The periphery of intercept net 19, intercepts grid 9 and intercept net 19 forms the receiving space that can accommodate debris, and lowering or hoisting gear is arranged on housing
1 outside, lowering or hoisting gear can drive interception rack 8 to drop at protective cover 11 or drive interception rack 8 to rise to protection
The top of cover 11, the area of intercept net 19 are more than the area of the opening of protective cover 11；Above-mentioned motor 2 is connected with controller.
Wherein, agitating device is a set of altogether, and impeller 12 is located at water inlet 10 and gone out between water inlet, and motor 2 passes through stirring
The impeller 12 of axle 3 rotates, so as to be imported beneficial to the water attracted outside housing 1 from water inlet 10 in housing 1, and by housing 1
Water by diversion export export.
Rack 8 is intercepted to be mainly sequentially connected and being formed by cross tube 81, left cross bar 84, sheer pole 83 and the head and the tail of right cross bar 82
The rectangular framework of opening, left cross bar 84 and right cross bar 82 are the bent rod of arc-shaped, and intercept net 19 is fixed on above-mentioned block
Cut on rack 8, and the longitudinal section of intercept net 19 is curved, intercepts grid 9 and is centered around above-mentioned cross tube 81, left cross bar 84, sheer pole
83 and right cross bar 82 on, intercept grid 9 and above-mentioned intercept net 19 and form the receiving space that inner end is in arc-shaped.Debris is intercepted net
After 19 interceptions in receiving space, the inner end of receiving space is in arc-shaped, relative to the intercept net 19 of plane with intercepting
The receiving space that grid 9 form, the receiving space receiving volume of the structure is big, and in the moving process of rack 8 is intercepted, debris is unsuitable
Dropped from receiving space.
The area of intercept net 19 is more than the area of the opening of protective cover 11, is easy to effectively to stop debris and enters protective cover 11
It is interior, specifically, can by intercept net 19 it is each while the length of side be arranged to corresponding on protective cover 11 while twice of the length of side, together
When, intercept length of the length of cross tube 81 in rack 8, left cross bar 84, sheer pole 83 and right cross bar 82 with intercept net 19
Match somebody with somebody, meet that the footprint of intercept net 19 is more than the aperture area of protective cover 11.It is anti-that lowering or hoisting gear drives interception rack 8 to drop to
When at shield 11, meet that protective cover 11 is located at the medial end portions of intercept net 19, effectively to prevent debris from entering in protective cover 11.
Lifting supporting table 6 horizontal-extending to the right is fixed with the right part of housing 1, lowering or hoisting gear includes hydraulic means
4 and lifting shaft 7, hydraulic means 4 is fixed in lifting supporting table 6 by lifting support 5, and the top of lifting shaft 7 is connected to lifting
On device, the bottom of lifting shaft 7 is fixedly connected with the stage casing of cross tube 81, and lowering or hoisting gear drives lifting shaft 7 to move up and down, and is lifted
Axle 7 drives interception rack 8 to move up and down.When debris is more in receiving space, staff operates lowering or hoisting gear, lowering or hoisting gear
The top for intercepting rack 8 and rising to water inlet 10 is driven by lifting shaft 7, is easy to staff to take debris in receiving space
Go out, after debris takes out, staff operates lowering or hoisting gear, and lowering or hoisting gear drives interception rack 8 to drop to diversion by lifting shaft 7
At entrance 10 so that intercept net 19 and water inlet are oppositely arranged, and are intercepted debris, are avoided debris from flowing to water inlet.
Hydraulic cylinder is can be selected in the hydraulic means 4, and the top of lifting shaft 7 is connected with piston rod by shaft coupling, or the liquid
Existing other of pressure device 4 can drive any hydraulic means 4 that lifting shaft 7 moves up and down.
In actual applications, the lifting dress that other can arbitrarily drive interception rack 8 to move up and down also can be selected in lowering or hoisting gear
Put, such as the lowering or hoisting gear by selecting to be made up of motor 2 and screw nut driven mechanism.
Filter includes filter frame 18, geotextiles and filter packing, and filter frame 18 is that bottom surface and top surface are opened
The case type structures of mouth, totally two pieces of geotextiles, respectively geotextiles I 13 and geotextiles II 17, geotextiles geotextiles I 13 were coated on
In the bottom surface opening of filter frame 18, geotextiles II 17 are coated in the top surface opening of filter frame 18, and filter packing is filled in
State the inner chamber of filter frame 18 and between geotextiles I 13 and geotextiles II 17, vertical being fixed on of above-mentioned filter is drawn
On water out.
Wherein, filter packing is the different gravel of particle diameter, and above-mentioned gravel forms three layer filtration layer, respectively filter layer I 14,
Filter layer II 15 and filter layer III 16, filter layer I 14, geotextiles I 13, filtering layer I, filter layer II 15, filter layer III 16 and geotechnique
Cloth II 17 is arranged in order, and the particle diameter of the cobble-stone of filter layer I 14 is more than the particle diameter of the cobble-stone of filter layer II 15, the boulderet of filter layer II 15
The particle diameter of stone is more than the particle diameter of the cobble-stone of filter layer III 16.When installing above-mentioned filter, geotextiles I 13 are located at geotextiles II
17 left side, to meet：Along diversion water (flow) direction, the descending setting of particle diameter of three layer filtration layer cobble-stone.
The filter is removably arranged in diversion outlet, after filter works a period of time, filters lamination
It is tired have substantial amounts of silt, be not easy to current it is logical when, filter can be changed, change new filter.
A kind of Hydraulic and Hydro-Power Engineering of the utility model may be provided at cities and towns or village river course irrigating gate with priming device, will
It is controller, motor 2 and the lowering or hoisting gear power supply in the Hydraulic and Hydro-Power Engineering priming device after civil power conversion, can be in diversion
The bottom of mouth sets the base of concrete, and the Hydraulic and Hydro-Power Engineering is arranged on base with priming device.The water conservancy and hydropower work
Journey is with the working method of priming device：Motor 2 is rotated by the impeller 12 of agitating shaft 3, so as to drive in river course with housing 1
Between water flowing, water is flowed into housing 1 by water inlet 10, and is flowed into water in the internal procedure of housing 1, intercept net 19 and is blocked
Cut grid 9 to coordinate sundries blocking in the outside of water inlet 10, avoid debris from entering in housing 1；Water is by filtering in housing 1
Housing 1 is flowed out after the filtering of device.
Embodiment 2：
The present embodiment is the further improvement on the basis of embodiment 1, and the present embodiment is distinguished as with embodiment 1：Stirring
Totally two sets of device, the left agitating device respectively positioned at the left part of housing 1 and the right stirring dress positioned at the right part of housing 1
Put, wherein the motor 2 in left agitating device is located at the top of the left part of housing 1, agitating shaft 3 and impeller 12 in left agitating device
The left part being respectively positioned in housing 1, the motor 2 in right agitating device are located at the top of the right part of housing 1, in right agitating device
Agitating shaft 3 and impeller 12 are respectively positioned on the right part of housing 1, are sunk in the medial end portions of the bottom wall of housing 1 and form precipitation chamber 23, housing
Suction dredge 21 is provided with 1, mudhole 24 is offered on the roof of housing 1, mudhole 24 being capable of dredging tube 212 and mud-suction nozzle
214 pass through, and extend to the upper end of precipitation chamber 23 through mudhole 24 for dredging tube 212 and mud-suction nozzle 214.
When precipitation there are a large amount of silts in precipitation chamber 23, silt can be absorbed by mud-suction nozzle 211, and by sludge out pipe 213
Silt is reclaimed with mud discharging nozzle 214, is easy to sediment usage.
In the present embodiment, suction dredge 21 is arranged on the top of housing 1 by suction dredge support 22, in actual applications, when
When suction dredge 21 is larger, suction dredge 21 can be arranged on the vacant lot by river course, dredging tube 212 and mud-suction nozzle 211 are passed through into row
Intert in housing in mud hole 4.
A kind of Hydraulic and Hydro-Power Engineering of the utility model is with the working method of priming device：Right agitating device work, wherein
Motor 2 is rotated by the impeller 12 of agitating shaft 3, and so as to drive the flowing of the water between housing 1 in river course, water is by water inlet
10 are flowed into housing 1, and are flowed into water in the internal procedure of housing 1, and intercept net 19 and interception grid 9 coordinate sundries blocking in diversion
The outside of entrance 10, debris is avoided to enter in housing 1；In housing 1 during water flowing, part silt is precipitable in precipitation chamber
In 23, the water after precipitation flow to the left part of housing 1, and exports discharge housing 1 by diversion after the filtering of filtered device.
In the course of the work, when the failure of right agitating device, left agitating device can be opened, is driven by left agitating device
The flowing of water between river course and housing 1；Or if the length of housing 1 is oversize, the poor fluidity of water in housing 1, it can open simultaneously
Left agitating device and right agitating device are opened, drives the water in river course to flow into housing 1 by right agitating device, is filled by left stirring
Put clean water between driving housing 1 and flow out housing.
By embodiment above, the those skilled in the art can readily realize the utility model.But
It is it should be appreciated that the utility model is not limited to above-mentioned embodiment.It is described on the basis of disclosed embodiment
Those skilled in the art can be combined different technical characteristics, so as to realize different technical schemes.Except specification institute
It is the known technology of those skilled in the art outside the technical characteristic stated.
Claims (6)
1. a kind of Hydraulic and Hydro-Power Engineering priming device, it is characterised in that including housing, agitating device, sundry intercepting device and control
Device processed, water inlet is offered on the right side wall of housing, diversion outlet is offered on the left side wall of housing, is set on water inlet
There is screen pack, the periphery of screen pack is provided with protective cover, and diversion is provided with filter in outlet；
Agitating device includes motor, agitating shaft and impeller, and motor is arranged on the top of housing, the top of agitating shaft and motor it is defeated
Go out axis connection, the bottom of agitating shaft is interted in housing, and impeller is located in housing and is fixed on the bottom of agitating shaft；
Sundry intercepting device includes intercept net, interception rack, interception grid and lowering or hoisting gear, intercept net frame and is arranged on lowering or hoisting gear
On, intercept net and interception grid are each attached to and intercepted on rack, intercept the periphery that grid are arranged in intercept net, intercept grid and intercept net group
Into the receiving space that can accommodate debris, lowering or hoisting gear is arranged on the outside of housing, and lowering or hoisting gear, which can drive, to be intercepted under rack
It is down at protective cover or drives and intercept the top that rack rises to protective cover, the area of intercept net is more than the opening of protective cover
Area；Above-mentioned motor is connected with controller.
2. a kind of Hydraulic and Hydro-Power Engineering priming device according to claim 1, it is characterised in that will based on interception rack
The rectangular framework of the opening formed, left cross bar and right horizontal stroke are sequentially connected by cross tube, left cross bar, sheer pole and right cross bar head and the tail
Bar is the bent rod of arc-shaped, and intercept net is fixed on above-mentioned interception rack, and the longitudinal section of intercept net is curved, intercepts grid
Be centered around on above-mentioned cross tube, left cross bar, sheer pole and right cross bar, intercept grid and above-mentioned intercept net group into inner end be in arc-shaped
Receiving space.
3. a kind of Hydraulic and Hydro-Power Engineering priming device according to claim 1, it is characterised in that filter included
Filter frame, geotextiles and filter packing, the case type structures that filter frame is bottom surface and top surface is open, filter packing are filled in
The inner chamber of above-mentioned filter frame, geotextiles are coated in the bottom surface opening and top surface opening of above-mentioned filter frame, above-mentioned filtering dress
Put vertical be arranged in diversion outlet.
4. a kind of Hydraulic and Hydro-Power Engineering priming device according to claim 3, it is characterised in that the filter packing is
The different gravel of particle diameter, along diversion water (flow) direction, the descending setting of particle diameter of gravel.
A kind of 5. Hydraulic and Hydro-Power Engineering priming device according to claim 1,2,3 or 4, it is characterised in that above-mentioned stirring
Totally two sets of device, the respectively left agitating device positioned at the left part of housing and the right agitating device positioned at the right part of housing.
6. a kind of Hydraulic and Hydro-Power Engineering priming device according to claim 5, it is characterised in that in the bottom wall of housing
End, which is sunk, forms precipitation chamber, and the outside of housing is provided with suction dredge, mudhole is offered on the roof of housing, mudhole can
Passed through for dredging tube and mud-suction nozzle, dredging tube and thin mud mouth are through mudhole and positioned at the upper end of precipitation chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720463719.8U CN206680961U (en) | 2017-04-28 | 2017-04-28 | A kind of Hydraulic and Hydro-Power Engineering priming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720463719.8U CN206680961U (en) | 2017-04-28 | 2017-04-28 | A kind of Hydraulic and Hydro-Power Engineering priming device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206680961U true CN206680961U (en) | 2017-11-28 |
Family
ID=60406389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720463719.8U Expired - Fee Related CN206680961U (en) | 2017-04-28 | 2017-04-28 | A kind of Hydraulic and Hydro-Power Engineering priming device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206680961U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108164064A (en) * | 2018-03-22 | 2018-06-15 | 苏州瑞之弘空气净化有限公司 | A kind of river sewage purifying processing device |
| CN108643141A (en) * | 2018-07-19 | 2018-10-12 | 长沙理工大学 | A kind of automatic pollution discharge diversion system |
| CN109876499A (en) * | 2019-04-18 | 2019-06-14 | 黄河水利委员会黄河机械厂 | Channel water body filtration water conservancy diversion sewage blocking device |
| CN112813997A (en) * | 2021-01-05 | 2021-05-18 | 北京萨尔科技有限公司 | Waterproof drainage device of hydraulic engineering construction |
| CN113502780A (en) * | 2021-08-24 | 2021-10-15 | 福建星洲水利水电工程有限公司 | Water diversion structure of hydraulic engineering |
| CN114481965A (en) * | 2021-12-30 | 2022-05-13 | 合肥海博工程设计集团有限公司 | Drainage ditch is with blocking thing structure for hydraulic design |
-
2017
- 2017-04-28 CN CN201720463719.8U patent/CN206680961U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108164064A (en) * | 2018-03-22 | 2018-06-15 | 苏州瑞之弘空气净化有限公司 | A kind of river sewage purifying processing device |
| CN108643141A (en) * | 2018-07-19 | 2018-10-12 | 长沙理工大学 | A kind of automatic pollution discharge diversion system |
| CN108643141B (en) * | 2018-07-19 | 2023-06-23 | 长沙理工大学 | Automatic blowdown diversion system |
| CN109876499A (en) * | 2019-04-18 | 2019-06-14 | 黄河水利委员会黄河机械厂 | Channel water body filtration water conservancy diversion sewage blocking device |
| CN112813997A (en) * | 2021-01-05 | 2021-05-18 | 北京萨尔科技有限公司 | Waterproof drainage device of hydraulic engineering construction |
| CN113502780A (en) * | 2021-08-24 | 2021-10-15 | 福建星洲水利水电工程有限公司 | Water diversion structure of hydraulic engineering |
| CN113502780B (en) * | 2021-08-24 | 2022-06-17 | 福建星洲水利水电工程有限公司 | Water diversion structure of hydraulic engineering |
| CN114481965A (en) * | 2021-12-30 | 2022-05-13 | 合肥海博工程设计集团有限公司 | Drainage ditch is with blocking thing structure for hydraulic design |
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Granted publication date: 20171128 Termination date: 20180428 |