CN104358230B - A kind of basin silt-proof desilting apparatus and method - Google Patents
A kind of basin silt-proof desilting apparatus and method Download PDFInfo
- Publication number
- CN104358230B CN104358230B CN201410326821.4A CN201410326821A CN104358230B CN 104358230 B CN104358230 B CN 104358230B CN 201410326821 A CN201410326821 A CN 201410326821A CN 104358230 B CN104358230 B CN 104358230B
- Authority
- CN
- China
- Prior art keywords
- basin
- gutter
- breakwater
- water
- collecting
- 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
- 238000000034 method Methods 0.000 title claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 66
- 230000001737 promoting effect Effects 0.000 claims abstract description 27
- 230000008021 deposition Effects 0.000 claims abstract description 26
- 230000003628 erosive effect Effects 0.000 claims abstract description 26
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 20
- 239000013535 sea water Substances 0.000 claims description 13
- 239000007788 liquid Substances 0.000 claims description 11
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 238000005381 potential energy Methods 0.000 claims description 2
- 230000002265 prevention Effects 0.000 abstract description 4
- 238000003475 lamination Methods 0.000 abstract description 3
- 230000002045 lasting effect Effects 0.000 abstract description 2
- 238000009825 accumulation Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 208000035126 Facies Diseases 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/02—Stream regulation, e.g. breaking up subaqueous rock, cleaning the beds of waterways, directing the water flow
- E02B3/023—Removing sediments
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
- E02B3/06—Moles; Piers; Quays; Quay walls; Groynes; Breakwaters ; Wave dissipating walls; Quay equipment
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/11—Hard structures, e.g. dams, dykes or breakwaters
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Revetment (AREA)
Abstract
The invention discloses a kind of basin silt-proof desilting apparatus and method, the upstream face of breakwater is provided with water level promoting device, breakwater is provided with the gutter connected with water level promoting device, the erosion and deposition delivery port communicated with gutter it is provided with in basin, breakwater is provided with the collecting-tank connected with gutter, the main delivery pipe being provided with bottom basin and connect bottom collecting-tank, erosion and deposition delivery port is arranged on main delivery pipe, reservoir it is provided with in basin, and connected by inlet channel between reservoir with collecting-tank, the fence spilled water hole being provided with bottom reservoir in basin.Water level promoting device is collected in gutter after wave water level promoting, and sends in collecting-tank and reservoir, and lasting is washed by water in basin by erosion and deposition delivery port and fence spilled water hole.The present invention makes full use of Wave energy and promotes water level, forms erosion and deposition current, the water-flow equation being effectively improved in basin, stop the motion that water is husky after retaining, removes mud lamination in basin, and prevention mud for a long time is piled up.
Description
Technical field
The present invention relates to basin field of engineering technology, especially relate to a kind of basin silt-proof desilting method.
Background technology
China's many harbour water areas are affected by off-lying sea tide, and flow condition is complex.Owing to offshore currents silt content is high, easily deposit in the range of basin, affect the normal use at harbour, deposit serious, the depth of water resulting even in many regions is unable to reach the requirement of ship's navigation, alongside, boats and ships can only travel in the narrow regions specified, and being offset slightly from course line just has stranded danger, and harbour faces discarded consequence.And the method for basin desilting at present uses earthmover exactly, solve Sedimentation, the problem of water depth deficiency by dredging.But use the method cost high, last length, constructional difficulties.
Summary of the invention
It is an object of the invention to provide a kind of basin silt-proof desilting apparatus, use this device from retaining in basin, and the erosion and deposition current of one suitable flow velocity and flow can be formed bottom basin, change the flow field in basin, stop the motion that water is husky, it is achieved permanent prevention and the cleaning to basin mud lamination.
It is a further object of the present invention to provide a kind of basin silt-proof desilting method, use the method can form erosion and deposition current bottom basin, change the flow process in basin, it is achieved permanent prevention and the cleaning to basin mud.
The technical solution of the present invention is: a kind of basin silt-proof desilting apparatus, it is arranged in the basin surrounded by breakwater, the upstream face of described breakwater is provided with water level promoting device, described breakwater is provided with the gutter connected with water level promoting device, the erosion and deposition delivery port communicated with gutter it is provided with in described basin, described breakwater is provided with the collecting-tank connected with described gutter, it is provided with bottom described basin and the main delivery pipe connected bottom collecting-tank, described erosion and deposition delivery port is arranged on main delivery pipe, it is provided with reservoir in described basin, and connected by inlet channel between reservoir with described collecting-tank, the fence spilled water hole being provided with bottom reservoir in described basin.
The upstream face of basin breakwater arranges water level promoting device, conveniently make the wave poured in raise and let slip breakwater and enter in gutter, seawater in gutter continues through erosion and deposition delivery port discharge, mud directly can be washed away, realize the effect of desilting, the Flow Field Distribution in basin can also be changed, prevent the accumulation of mud.Store in seawater being delivered to collecting-tank by gutter, main delivery pipe can be concentrated through after water level reach a certain height and discharge in basin, can effectively impact mud.Can fully change water-flow equation in basin by reservoir periodically to basin internal drainage, stop the motion that water is husky, be conducive to slowing down the accumulation of mud in basin.
Described water level promoting device includes the slope being arranged on described breakwater upstream face, and described gutter is arranged on top, slope.Slope is easy to wave and is climbed, and convenient collects seawater.
Described slope is provided with the radio frequency channel surrounding broadening formation between some poly-ripple plates, and adjacent two blocks of poly-ripple plates.Collecting wave by poly-ripple plate, make wave along radio frequency channel motion process, wave height is progressively amplified, in beneficially wave ploughs under gutter.
It is provided with the guide groove communicated with described gutter at described radio frequency channel top.Guide groove narrows the width of wave further, is conducive to improving the height of wave.
It is being provided with waterwall on the described gutter side of described Slope Facies pair.Prevent the wave swarmed by slope from entering inside breakwater.
Described water level promoting device is to be arranged on described breakwater upstream face side and the hollow box type air chamber extending in water, the gas chamber sidewall below liquid level is provided with opening, is provided with the water inlet communicated with described gutter on the gas chamber sidewall of ullage.Liquid level in air chamber can resonate with wave, thus amplifies the height of wave, is conducive to collecting seawater.
Another technical solution of the present invention is: a kind of basin silt-proof desilting method, it comprises the following steps: A, by the water level promoting device being arranged on the breakwater upstream face of basin, it is collected in after wave water level promoting in the gutter on breakwater, the step stored in also including the seawater in gutter is delivered to collecting-tank；B, utilize the potential energy of water, seawater in gutter is gone out by erosion and deposition delivery port, to carrying out anti-silting and desilting in basin, it is included in the main delivery pipe that bottom basin, setting connects, and the step periodically discharged to erosion and deposition delivery port by main delivery pipe by the seawater in collecting-tank with collecting-tank；C: arrange reservoir in described basin, by inlet channel from described collecting-tank to reservoir filling, periodically opens the fence spilled water hole bottom reservoir, washes by water in described basin, changes the distribution of basin flow field.
In described step A, described water level promoting device is the slope being arranged on described breakwater, is collected in gutter by after inclined shaft height by wave.
In described step A, described water level promoting device is to be arranged on breakwater upstream face side and have the hollow box type air chamber of opening at liquid level, promotes wave by liquid level in air chamber with wave resonance, and is collected in gutter by the water inlet on air chamber.
The invention have the advantage that making full use of Wave energy promotes water level, forms erosion and deposition current, can be effectively improved the water-flow equation in basin, stops the motion that water is husky after retaining, remove mud lamination in basin, and prevention mud for a long time is piled up.
Accompanying drawing explanation
Accompanying drawing 1 is the overall layout chart of the embodiment of the present invention 1；
Accompanying drawing 2 is breakwater side view in the embodiment of the present invention 1；
Accompanying drawing 3 is erosion and deposition sectional view in the embodiment of the present invention 1；
Accompanying drawing 4 is erosion and deposition Local map in the embodiment of the present invention 1；
Accompanying drawing 5 is the structural representation on slope in the embodiment of the present invention 1；
Accompanying drawing 6 is the structural representation of air chamber in the embodiment of the present invention 2；
Accompanying drawing 7 is the structural representation in the embodiment of the present invention 3；
1, basin, 2, outside breakwater, 3, inner side breakwater, 4, slope, 5, gutter, 6, collecting-tank, 7, main delivery pipe, 8, erosion and deposition delivery port, 9, inlet channel, 10, reservoir, 11, fence discharge opening, 12, mud, 13, waterwall, 14, wave, 15, fence, 16, poly-ripple plate, 17, radio frequency channel, 18, guide groove, 19, air chamber, 20, opening, 21, liquid level, 22, water inlet.
Detailed description of the invention
Embodiment 1:
Refering to Fig. 1-4, for a kind of basin defence Accrete clearing device, this device is arranged in the basin 1 surrounded by outside breakwater 2 and inner side breakwater 3, and the upstream face of inner side breakwater 3 is provided with slope 4, and top, slope 4 is provided with gutter 5.It is provided with, near opening part, the collecting-tank 6 connected with gutter 5 in basin 1.Slope 4 is provided with the radio frequency channel 17 surrounding broadening formation between some poly-ripple plates 16, and adjacent two blocks of poly-ripple plates 16.The wedge guide groove 18 communicated with gutter 5 it is provided with at radio frequency channel 17 top.After wave enters radio frequency channel 17, width gradually narrows, and wave height is gradually lifted, it is easier to plough under in gutter 5, is conducive to collecting more seawater.Bottom basin 1, it is provided with main delivery pipe 7, main delivery pipe 7 is provided with several erosion and deposition delivery ports 8.Collecting-tank 6 connects with main delivery pipe 7.The direction that erosion and deposition delivery port 8 is piled up towards mud 12, advantageously forms cascade, effectively washes away and stop the formation of mud.Gutter 5 side relative with slope 4 is provided with waterwall 13.Being provided with inside basin 1 between reservoir 10, and reservoir 10 with collecting-tank 6 and connected by inlet channel 9, the retaining in collecting-tank 6 can be delivered in reservoir 10 by inlet channel 9.The fence spilled water hole 11 being provided with bottom reservoir 10 in basin 1.Open fence discharge opening 11, current, the effective flow field changed in basin 1 can be formed from basin 1 Inside To Outside, stop the husky accumulation in basin 1 of water.
In the present embodiment, slope 4 is arranged on the upstream face of inner side breakwater 3, it is also possible to be arranged on the upstream face of outside breakwater 2.The basic principle arranging gutter 5 and water level promoting device is to choose the breakwater position that wave stroke is bigger, can specifically choose setting according to on-site actual situations.
A kind of basin silt-proof desilting method, it comprises the following steps:
A, slope 4 is set on inner side breakwater 3 upstream face of basin 1, gutter 5 is set at top, slope 4, collect the wave 14 poured in from slope 4, and be stored in collecting-tank 6 by gutter 5 input；
B, arranging and the main delivery pipe 7 connected bottom collecting-tank 6 bottom basin 1, periodically from collecting-tank 6 to main delivery pipe 7 internal drainage, the current gone out by erosion and deposition delivery port 8 are to carrying out anti-silting and desilting in basin 1；
C, reservoir 10 is set in basin 1, by inlet channel 9 from collecting-tank 6 to reservoir 10 retaining, periodically opens the fence spilled water hole 11 bottom reservoir 10, wash by water in basin 1, change the distribution of basin flow field.
Embodiment 2:
Refering to Fig. 6, for a kind of basin defence Accrete clearing device, this device is arranged in the basin 1 surrounded by outside breakwater 2 and inner side breakwater 3, inner side breakwater 3 is free-standing structure, it is provided with water level promoting device in its upstream face side, this water level promoting device is to be arranged on breakwater 3 upstream face side, inner side and the hollow box type air chamber 19 extending in water, it is provided with opening 20 on air chamber 19 sidewall below liquid level 21, being provided with water inlet 22 on air chamber 19 sidewall above liquid level 21, water inlet 22 connects with gutter 5.
A kind of basin silt-proof desilting method, it comprises the following steps:
A, on inner side breakwater 3 upstream face of basin 1 arrange extend into the hollow box type air chamber 19 in water, in making air chamber 19, liquid level 21 collects seawater with wave 14 resonance, and be delivered in gutter 5 by the water inlet 22 on air chamber 19, the seawater in gutter 5 collects and is stored in collecting-tank 6；
B, arranging and the main delivery pipe 7 connected bottom collecting-tank 6 bottom basin 1, periodically from collecting-tank 6 to main delivery pipe 7 internal drainage, the current gone out by erosion and deposition delivery port 8 are to carrying out anti-silting and desilting in basin 1；
C, reservoir 10 is set in basin 1, by inlet channel 9 from collecting-tank 6 to retaining in reservoir 10, periodically opens the fence spilled water hole 11 bottom reservoir 10, wash by water in basin 1, change the distribution of basin flow field.
Other technologies feature is same as in Example 1, does not repeats them here.
Embodiment 3:
Refering to Fig. 7, for another basin silt-proof desilting apparatus, this device is arranged in the basin 1 surrounded by outside breakwater 2 and inner side breakwater 3, the upstream face of outside breakwater 2 and inner side breakwater 3 is respectively provided with water level promoting device and gutter 5, in basin 1, is provided with the erosion and deposition delivery port 8 communicated with gutter 5.Being collected in gutter 5 by wave by water level promoting device, lasting is discharged in basin 1 by erosion and deposition delivery port 8, can effectively improve the water-flow equation in basin 1, play anti-silting effect.Distribution situation according to mud 12 arranges erosion and deposition delivery port 8, can effectively play the effect of desilting.
Water level promoting device is referred to the concrete structure in embodiment 1 and embodiment 2, does not repeats them here.
Above-listed detailed description is illustrating for possible embodiments of the present invention, and this embodiment is also not used to limit the scope of the claims of the present invention, and all equivalences done without departing from the present invention are implemented or change, are intended to be limited solely by the scope of the claims of this case.
Claims (9)
1. a basin silt-proof desilting apparatus, is arranged in the basin surrounded by breakwater, it is characterised in that: in institute
The upstream face stating breakwater is provided with water level promoting device, is provided with and water level promoting device on described breakwater
The gutter of connection, is provided with the erosion and deposition delivery port communicated with gutter, at described breakwater in described basin
It is provided with the collecting-tank connected with described gutter, is provided with bottom described basin and connects bottom collecting-tank
Main delivery pipe, described erosion and deposition delivery port is arranged on main delivery pipe, is provided with reservoir in described basin,
And connected by inlet channel between reservoir with described collecting-tank, it is provided with the grid in described basin bottom reservoir
Hurdle spilled water hole.
Basin silt-proof desilting apparatus the most according to claim 1, it is characterised in that: described water level promoting device
Including the slope being arranged on described breakwater upstream face, described gutter is arranged on top, slope.
A kind of basin silt-proof desilting apparatus the most according to claim 2, it is characterised in that: on described slope
It is provided with the radio frequency channel surrounding broadening formation between some poly-ripple plates, and adjacent two blocks of poly-ripple plates.
A kind of basin silt-proof desilting apparatus the most according to claim 3, it is characterised in that: on described radio frequency channel top
Portion is provided with the guide groove communicated with described gutter.
A kind of basin silt-proof desilting apparatus the most according to claim 4, it is characterised in that: with described slope
Relative described gutter side is provided with waterwall.
Basin silt-proof desilting apparatus the most according to claim 1, it is characterised in that: described water level promoting device
For being arranged on described breakwater upstream face side and the hollow box type air chamber extending in water, below liquid level
Gas chamber sidewall is provided with opening, is provided with the water inlet communicated with described gutter on the gas chamber sidewall of ullage
Mouthful.
7. a basin silt-proof desilting method, for the basin that surrounded by breakwater, it is characterised in that: it include with
Lower step:
A, by the water level promoting device being arranged on the breakwater upstream face of basin, will receive after wave water level promoting
In collection gutter on breakwater, the step stored in also including the seawater in gutter is delivered to collecting-tank
Suddenly；
B, utilize the potential energy of water, the seawater in gutter is gone out by erosion and deposition delivery port, prevents in basin
Become silted up and desilting, be additionally included in the main delivery pipe that bottom basin, setting connects with collecting-tank, and periodically will catchment
The step that seawater in pond is discharged to erosion and deposition delivery port by main delivery pipe；
C: arrange reservoir in described basin, by inlet channel from described collecting-tank to reservoir filling, periodically opens
Fence spilled water hole bottom reservoir, washes by water in described basin, changes the distribution of basin flow field.
A kind of basin silt-proof desilting method the most according to claim 7, it is characterised in that: in described step A
In, described water level promoting device is the slope being arranged on described breakwater, and wave is high by inclined shaft
It is collected in gutter after degree.
A kind of basin silt-proof desilting method the most according to claim 7, it is characterised in that: in described step A
In, described water level promoting device is to be arranged on breakwater upstream face side and have the hollow of opening at liquid level
Box air chamber, is promoted wave by liquid level in air chamber with wave resonance, and is collected by the water inlet on air chamber
In gutter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410326821.4A CN104358230B (en) | 2014-07-09 | 2014-07-09 | A kind of basin silt-proof desilting apparatus and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410326821.4A CN104358230B (en) | 2014-07-09 | 2014-07-09 | A kind of basin silt-proof desilting apparatus and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104358230A CN104358230A (en) | 2015-02-18 |
| CN104358230B true CN104358230B (en) | 2016-08-24 |
Family
ID=52525529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410326821.4A Expired - Fee Related CN104358230B (en) | 2014-07-09 | 2014-07-09 | A kind of basin silt-proof desilting apparatus and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104358230B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104912027B (en) * | 2015-06-03 | 2017-10-27 | 四川大学 | A kind of method for alleviating mountain stream Heavenly Stems and Earthly Branches stream confluence silt silting |
| CN105155652A (en) * | 2015-08-29 | 2015-12-16 | 樊博 | Auxiliary drainage and decontamination system |
| CN105442490A (en) * | 2015-11-12 | 2016-03-30 | 长江南京航道工程局 | Channel maintenance method capable of preventing marginal bank from silting towards channel through silt storage groove |
| CN105421288A (en) * | 2015-11-20 | 2016-03-23 | 中国电建集团贵阳勘测设计研究院有限公司 | Large reservoir basin reservoir silt beach sand sluicing structure and construction method thereof |
| CN108149635B (en) * | 2018-01-12 | 2019-04-30 | 河海大学 | A kind of method that excavated basin prevents and reduce silting-up |
| CN111411607A (en) * | 2020-03-30 | 2020-07-14 | 宝山钢铁股份有限公司 | System for carrying out one-way scouring and dredging by clinging to tidal pond additionally built in harbor pond and dredging method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1075519A (en) * | 1992-02-18 | 1993-08-25 | 丰岛兼人 | Permanent erosion plant in river mouth |
| JP2003232051A (en) * | 2002-02-07 | 2003-08-19 | Kyuuyama:Kk | Automatic dredging system using natural energy such as tide and drop |
| KR100523602B1 (en) * | 2005-01-31 | 2005-11-09 | (주)한석엔지니어링 | Construction prevention accumulation earth and sand for reservoir river |
| CN2816143Y (en) * | 2005-07-10 | 2006-09-13 | 赵荣维 | Sludge-sand removing apparatus for river reservoir |
| CN101435188A (en) * | 2008-12-25 | 2009-05-20 | 卢如年 | Injecting flow guiding silt-proof method |
| CN101984251A (en) * | 2010-12-06 | 2011-03-09 | 中国海洋大学 | Wave energy generating set |
-
2014
- 2014-07-09 CN CN201410326821.4A patent/CN104358230B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1075519A (en) * | 1992-02-18 | 1993-08-25 | 丰岛兼人 | Permanent erosion plant in river mouth |
| JP2003232051A (en) * | 2002-02-07 | 2003-08-19 | Kyuuyama:Kk | Automatic dredging system using natural energy such as tide and drop |
| KR100523602B1 (en) * | 2005-01-31 | 2005-11-09 | (주)한석엔지니어링 | Construction prevention accumulation earth and sand for reservoir river |
| CN2816143Y (en) * | 2005-07-10 | 2006-09-13 | 赵荣维 | Sludge-sand removing apparatus for river reservoir |
| CN101435188A (en) * | 2008-12-25 | 2009-05-20 | 卢如年 | Injecting flow guiding silt-proof method |
| CN101984251A (en) * | 2010-12-06 | 2011-03-09 | 中国海洋大学 | Wave energy generating set |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104358230A (en) | 2015-02-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104358230B (en) | A kind of basin silt-proof desilting apparatus and method | |
| CN103321264B (en) | Spiral force-borrowing silt-breaking sand-blowing dredging device for river channel | |
| CN105863021A (en) | Fragmentation closure regulation and storage discharging system | |
| CN203701030U (en) | Wharf impounding and scouring structure | |
| CN204570907U (en) | A kind of staged cover plate gutter system being easy to clear up | |
| JP2017002528A (en) | Sedimentary sand collection device in dam, river, and intake channel | |
| CN204826137U (en) | Highway curb drainage system | |
| CN204491519U (en) | The anti-erosion protective slope structure of a kind of Channel slope | |
| CN103334484A (en) | Tail end rainwater purifying well for separate system rainwater drainage system | |
| JP2004216215A (en) | Sand collecting apparatus | |
| CN210797432U (en) | Water conservancy river course bank protection | |
| CN104826369A (en) | Rotary type horizontal flow sedimentation tank | |
| CN207727748U (en) | A kind of rainwater energy dissipation tank with processing function | |
| CN100560877C (en) | The method of permanent local water bottom dredge desilting | |
| CN105089143A (en) | Method and device for arranging highway desilting basin | |
| CN206308771U (en) | The complementary sewerage system of bilateral | |
| CN201713794U (en) | Desilting facility | |
| WO2019010876A1 (en) | Self-silting soft dam system for preventing and controlling gully erosion in loess area | |
| CN103981838B (en) | A kind of bank protection construction method | |
| KR20140122781A (en) | Water tank for water drainage on retaining wall | |
| CN105862654A (en) | Method for clearing away deposited silt in pile group | |
| CN105417714A (en) | Rainwater purification treatment system adopting ecological revetment for mountain river | |
| RU2393293C1 (en) | Arrangement method of drying system with narrow enclosure ploughing of drained soils | |
| CN204656081U (en) | Swinging horizontal sedimentation tank | |
| RU135329U1 (en) | INTEGRATED STRUCTURE |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160824 |