CN108824347B - A kind of canalized rivers repair system - Google Patents

A kind of canalized rivers repair system Download PDF

Info

Publication number
CN108824347B
CN108824347B CN201810697829.XA CN201810697829A CN108824347B CN 108824347 B CN108824347 B CN 108824347B CN 201810697829 A CN201810697829 A CN 201810697829A CN 108824347 B CN108824347 B CN 108824347B
Authority
CN
China
Prior art keywords
river
slide bar
rotation axis
riverbed
plate
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.)
Active
Application number
CN201810697829.XA
Other languages
Chinese (zh)
Other versions
CN108824347A (en
Inventor
黄伟
刘晓波
彭文启
吴雷祥
刘之平
刘玲花
董飞
张永生
蔚辉
黄智华
解莹
黄爱平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Institute of Water Resources and Hydropower Research
Original Assignee
China Institute of Water Resources and Hydropower Research
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by China Institute of Water Resources and Hydropower Research filed Critical China Institute of Water Resources and Hydropower Research
Priority to CN201810697829.XA priority Critical patent/CN108824347B/en
Publication of CN108824347A publication Critical patent/CN108824347A/en
Application granted granted Critical
Publication of CN108824347B publication Critical patent/CN108824347B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B1/00Equipment or apparatus for, or methods of, general hydraulic engineering, e.g. protection of constructions against ice-strains
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B3/00Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
    • E02B3/04Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
    • E02B3/12Revetment of banks, dams, watercourses, or the like, e.g. the sea-floor
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00Water conservation; Efficient water supply; Efficient water use
    • Y02A20/40Protecting water resources
    • Y02A20/402River restoration

Abstract

A kind of canalized rivers repair system, including river restoreration device and server, the river restoreration device includes control cage and control chip, the control cage includes two riverbanks part, two riverbeds part and river bed part, river bed part both ends are connect with two riverbeds part respectively, and two riverbeds part is connect with two riverbanks part respectively;The both ends of two riverbed parts are respectively equipped with distance measuring sensor, and the distance measuring sensor is connect with the control chip respectively;The server includes storage unit, analytical unit and communication unit.River is guaranteed that the river water being hardened in river can penetrate into the soil on riverbank by a kind of canalized rivers repair system provided by the invention, is not only solved flood discharge problem, while also assuring the complete of river channel ecology system, is improved the self-purification capacity of river water.

Description

A kind of canalized rivers repair system
Technical field
The present invention relates to Environmental Technology protection technique field, in particular to a kind of canalized rivers repair system.
Background technique
A large amount of pollutants are unprocessed in basin and being expelled directly out is stained significantly water body into river, especially in city City only considers river regulation from engineering viewpoint, by river cutoff, three face of river two sides is by cement for the needs of flood discharge Reinforcing bar solidification, such facility have completely cut off the connection of river water and riverbed and riverbank system, have made the environment for being suitble to more biological existences It disappearing, ecological functions and net energy power are also degenerated therewith, and it directly results in a large amount of biologies in river and disappears, the pollution row of high load capacity Putting easily disintegrates ecosystem collapse inside river water body, so city river becomes not only black but also smelly mostly at this stage, Cheng Liao Typical sewage ditch, siltation is serious also to lose function of flood drainage substantially.
How to restore the original ecologic structure in river, create a good living environment, people have carried out a large amount of work. Traditional cities river regulation both at home and abroad mainly uses physics, chemistry and biological means, artificial aeration at present, and overflow is built in dredging Dam changes the physical means such as water, diversion erosion and deposition, mechanical algae removement and medicament kills algae, adds molysite and promote the change such as phosphorus precipitating, lime denitrogenation Section is learned to do, these methods are although effectively, palliative, after a period of time, effect can be deteriorated, and consume a large amount of manpower wealth again Power.And chemical method easily generates secondary pollution to environment, then should not use.Biological method such as adds microbial bacterial, plantation is endured Water plant etc., though healthier, the system structure constructed is simple, and external interference resistance is weak, in the effect of external interference Under, effect is also extremely limited.It traces it to its cause and mainly seldom takes into account the theory of ecology, therefore be difficult to long-term continuous and effective. It can only thoroughly cannot improve at all water quality as auxiliary governing measure to a certain extent.
Therefore, problem of the existing technology, it is to be further improved and developed.
Summary of the invention
(1) goal of the invention: to solve above-mentioned problems of the prior art, the object of the present invention is to provide a kind of canals Change river restoreration system.
(2) technical solution: in order to solve the above-mentioned technical problem, the technical program provides a kind of canalized rivers repair system, Including river restoreration device and server,
The river restoreration device includes control cage and control chip, and the control cage includes two riverbanks part, two Riverbed part and river bed part, river bed part both ends are respectively equipped with rotation axis, and two riverbed parts lead to respectively It crosses the rotation axis to connect with the river bed part, the one end and two institutes of two riverbeds partially away from the river bed part It states riverbank part to be separately connected, the rotation axis is connect with the control chip;
The both ends of two riverbed parts are respectively equipped with distance measuring sensor, the distance measuring sensor respectively with the control Chip connection;
The server includes storage unit, analytical unit and communication unit, and the storage unit is for storing the control Data information when frame processed is installed, the analytical unit according to the control cage during the installation process at a distance from riverbed, analysis The control cage is bonded the angle and distance for needing to adjust with riverbed, and the communication unit is used to send institute to the control chip State the adjustment order of control cage.
Wherein, two riverbeds part respectively includes two fixed links and connecting plate, the connecting plate two sides and institute Two fixed links stated are fixedly connected.
Wherein, the fixed link includes the first slide bar, the second slide bar and the first telescopic rod, and first telescopic rod one end is solid It is scheduled on the inside of second slide bar and described rotation axis connection one end, the other end and first slide bar are far from the riverbank portion The one end divided is fixedly connected, and one end that first slide bar is connect with first telescopic rod is placed in the interior of second slide bar Portion.
Wherein, the connecting plate is open equipped with water guide, and the water guide opening includes plate and protective layer, and the plate is used In insertion riverbed, contact water guide opening with the soil in riverbed, the protective layer be covered on the water guide be open with it is described The junction of plate, for preventing the corrosion of the water guide opening and the plate junction.
Wherein, the river bed part includes third slide bar, the 4th slide bar and the second telescopic rod, one end of the third slide bar It is placed in inside the 4th slide bar, the other end is fixedly connected with the rotation axis of the river bed part side, and the 4th slide bar is remote One end from the third slide bar is fixedly connected with the rotation axis of the river bed part other side, and second telescopic rod one end is solid It is scheduled on the inside of the 4th slide bar and described rotation axis connection one end, the other end and the third slide bar are far from the rotation axis One end be fixedly connected.
Wherein, the river restoreration device further includes solar panel connector, the solar panel connector It is arranged in the riverbank part, for connecting solar panel, to provide electric energy for the river restoreration device.
It wherein, further include input terminal, the input terminal is connect with the server, installs the river for inputting The River Data of prosthetic device.
Wherein, the control chip includes order conversion module and communication module, and the order conversion module is by the control The adjustment information of frame processed is converted into control command, and is sent to all parts, and the communication module surveys the distance measuring sensor The information of amount is sent to the server.
(3) the utility model has the advantages that river guarantee is hardened in river by a kind of canalized rivers repair system provided by the invention River water can penetrate into the soil on riverbank, not only solve flood discharge problem, while also assure the complete of river channel ecology system, mention The high self-purification capacity of river water.
Detailed description of the invention
Fig. 1 is a kind of longitudinal sectional figure of canalized rivers repair system river restoreration device of the present invention;
Fig. 2 is a kind of top view of canalized rivers repair system control cage riverbed part of the present invention;
Fig. 3 is a kind of canalized rivers repair system flow chart of the present invention;
101- rotation axis;The second telescopic rod of 102-;103- third slide bar;The 4th slide bar of 104-;105- solar panel Connector;110- fixed link;The first slide bar of 111-;The second slide bar of 112-;The first telescopic rod of 113-;114- connecting plate;115- is led Water opening;116- protective layer.
Specific embodiment
The present invention is described in further details below with reference to preferred embodiment, is elaborated in the following description more Details to facilitate a thorough understanding of the present invention, still, the present invention obviously can be come with a variety of other modes different from this description Implement, those skilled in the art can without violating the connotation of the present invention according to practical situations make it is similar promote, It deduces, therefore should not be limited the scope of the invention with the content of this specific embodiment.
Schematic diagram is the schematic diagram of the embodiment of the present invention, it should be noted that this attached drawing only as an example, not be by It draws, and should not be construed as limiting in this, as to actual requirement protection scope of the invention according to the condition of equal proportion.
A kind of one preferred embodiment of canalized rivers repair system is provided below with reference to the present invention to be described in detail.
A kind of canalized rivers repair system, including river restoreration device and server.The river restoreration device includes control Frame processed, the control cage include two riverbanks part, two riverbeds part and river bed part.River bed part both ends point Not She You rotation axis 101, two riverbed member base ends are U shape groove, and the both ends of the river bed part are respectively placed in In the groove of two riverbed member base ends, the rotation axis 101 connects the riverbed part with the river bed part.Institute It states riverbed part and the river bed part and adjusts the riverbed part and the river bed portion by the rotation of the rotation axis 101 The angle divided.
Two riverbed parts and top, the bottom end two sides of riverbed contact one side are respectively equipped with a distance measuring sensor, The distance measuring sensor is used to measure the riverbed part of the control cage at a distance from riverbed, to guarantee the control cage and riverbed Compactness.
Two riverbeds are separately connected partially away from one end of the river bed part with two riverbank parts.
Two riverbeds part respectively includes two fixed links 110 and a connecting plate 114, the connecting plate 114 Two sides are fixedly connected with two fixed links 110.
The fixed link 110 includes the first slide bar 111, the second slide bar 112 and the first telescopic rod 113.Described first is flexible 113 one end of bar is fixed on the inside that second slide bar 112 connect one end with the rotation axis 101, the other end and described first Slide bar 111 is fixedly connected far from one end of the riverbank part.The one end of second slide bar 112 far from the rotation axis 101 Equipped with opening, the opening of the one end of first slide bar 111 by second slide bar 112 far from the rotation axis 101 is protruded into Inside second slide bar 112, and the opening edge of the one end of two slide bar 112 far from the rotation axis 101 is along equipped with guarantor Guard strip, the ceiling are same as preventing river water from entering inside second slide bar 112.
The connecting plate 114 is equipped with water guide opening 115, and the water guide opening 115 includes plate and protective layer 116.Institute Plate insertion riverbed is stated, so that river water be made to contact from water guide opening 115 with the soil in riverbed.
The protective layer 116 wraps up water guide opening 115 and the junction of the plate, to guarantee that the water guide is opened Mouth 115 and the junction of the plate are not corroded by river water.
The protective layer is the material of resistance to immersion, can be water-fast pressure sensitive adhesive, is also possible to other water-fast materials, here It is not particularly limited.
Wherein the water guide mouth 115 is arranged in the connecting plate 114, can be evenly distributed, can also unevenly arrange, this In be not particularly limited.
115 quantity of water guide mouth can be odd number, is also possible to even number, is not particularly limited here, be worth explanation The number of thing, the water guide mouth 115 is more than or equal to 10.
The river bed part includes third slide bar 103, the 4th slide bar 104 and the second telescopic rod 102.The third slide bar 103 one end is placed in inside the 4th slide bar 104, and the other end is fixedly connected with the rotation axis 101 of the river bed part side. The rotation axis 101 of the one end of 4th slide bar 104 far from the third slide bar 103 and the river bed part other side is fixed to be connected It connects, the 4th slide bar 104 is equipped with opening, the 4th slide bar described in the third slide bar 103 far from one end of the rotation axis 101 104 openings far from described 101 one end of rotation axis protrude into inside the 4th slide bar 104, and four slide bar 104 is far from institute The opening edge for stating one end of rotation axis 101 is same as preventing river water from entering the 4th slide bar along ceiling, the ceiling is equipped with Inside 104.
Described second telescopic rod, 102 one end is fixed on the 4th slide bar 104 and connect the interior of one end with the rotation axis 101 Portion, the other end are fixedly connected with the third slide bar 103 far from one end of rotation axis 101.
The river restoreration device further includes control chip and solar panel connector 105, the solar energy collecting Plate connector 105 is fixed on the riverbank part, it should be noted that the solar panel solar panel connector 105 are placed in the strong riverbank part of illumination.The solar panel connector 105 respectively with first telescopic rod 113, Two telescopic rods 102, the rotation axis 101 are connected with the distance measuring sensor, when the solar panel connector 105 connects Electric energy is provided when solar panel for the river restoreration device.
The solar panel connector 105 is connect with the control chip, and the control chip is respectively with described One telescopic rod 113, the second telescopic rod 102, the rotation axis 101, distance measuring sensor connection.The control chip includes life Conversion module and communication module are enabled, the adjustment information of the control cage is converted control command by the order conversion module, and It is sent to first telescopic rod 113, the second telescopic rod 102 or the rotation axis 101;The communication module is by the ranging The data information of sensor measurement is sent to the server.
A kind of canalized rivers repair system further includes input terminal, and the input terminal is connect with the server, is used for Input is mounted the river restoreration device River Data, and the input terminal can be smart phone, ipad, PC terminal, this In be not particularly limited.
The server includes storage unit, analytical unit and communication unit, and the storage unit is described defeated for storing Enter the data for being mounted river restoreration device river of terminal input;The analytical unit is being installed according to the control cage In the process at a distance from riverbed, analyzes the control cage and be bonded the angle and distance for needing to adjust with riverbed;The communication unit For sending the adjustment order of the control cage to the control chip.
When installing the river restoreration device, operator measures or searches first the number in installation river restoreration device river According to, and river data are inputted into the input terminal, the river data of input are sent to server and stored up by the input terminal There are the storage units of the server.Guarantee anhydrous in river or water level below hookup wire simultaneously.
Solar panel is mounted on the solar panel connector 105 by operator simultaneously, guarantees the river Flow the abundance of prosthetic device electric energy during the installation process.
The control cage is placed on the Ha Noi of river restoreration device to be installed by operator, the river bed part and river River bed contact.
The distance measuring sensor measures the riverbed part at a distance from riverbed, and the communication module of the control chip is by institute The data for stating distance measuring sensor measurement are sent to the server, what the analytical unit of the server was stored according to storage unit The riverbed part that derivative evidence and the control chip communication module are sent calculates first telescopic rod at a distance from riverbed 113, the second telescopic rod 102 and the rotation axis 101 are respectively necessary for the length and angle of adjustment.
The analysis result of analytical unit is sent to the control chip, the control core by the communication unit of the server The order conversion module of piece is converted into first telescopic rod 113, the second telescopic rod 102 and the rotation axis for result is analyzed 101 are respectively necessary for the order of adjustment length or angle, and by first telescopic rod 113, the second telescopic rod 102 and described turn Moving axis 101 needs to adjust length or the order of angle is respectively sent to first telescopic rod 113, the second telescopic rod 102, institute State rotation axis 101.
First telescopic rod 113, the second telescopic rod 102, the rotation axis 101 adjust separately described according to adjustment order First telescopic rod 113, the second telescopic rod 102, length, the angle of the rotation axis 101 keep the control cage and riverbed complete Fitting.
After the control cage is bonded completely with riverbed, the plate of water guide opening 115 is pressed into riverbed by operator, and Protective layer 116 is wrapped in the junction of the plate and water guide opening 115.
When operator by whole water guides opening 115 plate be pressed into riverbed, and by the protective layer 116 be wrapped in it is described insert Behind the junction of plate and water guide opening 115, operator is by the solar panel from the solar panel connector 105 On, the solar panel can be used for the installation of other river restoreration devices, and river restoreration device is installed.
When water level rises in river, river water immerses riverbank soil by water guide opening 115, ensure that river channel ecology system It is complete.
River is guaranteed that the river water being hardened in river can penetrate into the soil on riverbank by a kind of canalized rivers repair system, Not only solve flood discharge problem, while also fundamentally ensure that the complete of river channel ecology system, improve river water from net energy Power reduces the secondary pollution of river water.
The above content is the explanations of the preferred embodiment to the invention, those skilled in the art can be helped more to fill The technical solution for dividing ground to understand the invention.But these embodiments are merely illustrative, and it cannot be said that the invention Specific embodiment be only limitted to the explanations of these embodiments.The invention person of an ordinary skill in the technical field is come It says, without departing from the concept of the premise of the invention, several simple deductions and transformation can also be made, all shall be regarded as belonging to The protection scope of the invention.

Claims (8)

1. a kind of canalized rivers repair system, including river restoreration device and server, which is characterized in that
The river restoreration device includes control cage and control chip, and the control cage includes two riverbanks part, two riverbeds Part and river bed part, river bed part both ends are respectively equipped with rotation axis, and two riverbed parts pass through institute respectively It states rotation axis to connect with the river bed part, the one end and two rivers of two riverbeds partially away from the river bed part Bank part is separately connected, and the rotation axis is connect with the control chip;
The both ends of two riverbed parts are respectively equipped with distance measuring sensor, the distance measuring sensor respectively with the control chip Connection;
The server includes storage unit, analytical unit and communication unit, and the storage unit is for storing the control cage Data information when installation, the analytical unit according to the control cage during the installation process at a distance from riverbed, described in analysis Control cage is bonded the angle and distance for needing to adjust with riverbed, and the communication unit is used to send the control to the control chip The adjustment order of frame processed.
2. a kind of canalized rivers repair system according to claim 1, which is characterized in that two riverbeds part point Not Bao Kuo two fixed links and connecting plate, the connecting plate two sides are fixedly connected with two fixed links.
3. a kind of canalized rivers repair system according to claim 2, which is characterized in that the fixed link includes first sliding Bar, the second slide bar and the first telescopic rod, first telescopic rod one end are fixed on second slide bar and the rotation axis connection The inside of one end, the other end are fixedly connected with first slide bar far from one end of the riverbank part, first slide bar with One end of the first telescopic rod connection is placed in the inside of second slide bar.
4. a kind of canalized rivers repair system according to claim 2, which is characterized in that the connecting plate is equipped with water guide Opening, the water guide opening include plate and protective layer, and the plate makes the water guide opening and riverbed for being inserted into riverbed Soil contact, the protective layer is covered on the junction of the water guide opening and the plate, for preventing the water guide to be open With the corrosion of the plate junction.
5. a kind of canalized rivers repair system according to claim 1, which is characterized in that the river bed part includes third Slide bar, the 4th slide bar and the second telescopic rod, one end of the third slide bar are placed in inside the 4th slide bar, the other end with it is described The rotation axis of river bed part side is fixedly connected, the one end of the 4th slide bar far from the third slide bar and the river bed part The rotation axis of the other side is fixedly connected, and second telescopic rod one end is fixed on the 4th slide bar and the rotation axis connection one The inside at end, the other end are fixedly connected with the third slide bar far from one end of the rotation axis.
6. a kind of canalized rivers repair system according to claim 1, which is characterized in that the river restoreration device also wraps Solar panel connector is included, the solar panel connector is arranged in the riverbank part, for connecting solar energy Collecting board, to provide electric energy for the river restoreration device.
7. a kind of canalized rivers repair system according to claim 1, which is characterized in that it further include input terminal, it is described Input terminal is connect with the server, for inputting the River Data for installing the river restoreration device.
8. a kind of canalized rivers repair system according to claim 1, which is characterized in that the control chip includes order The adjustment information of the control cage is converted control command by conversion module and communication module, the order conversion module, concurrently It send to all parts, the information that the distance measuring sensor measures is sent to the server by the communication module.
CN201810697829.XA 2018-06-29 2018-06-29 A kind of canalized rivers repair system Active CN108824347B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810697829.XA CN108824347B (en) 2018-06-29 2018-06-29 A kind of canalized rivers repair system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810697829.XA CN108824347B (en) 2018-06-29 2018-06-29 A kind of canalized rivers repair system

Publications (2)

Publication Number Publication Date
CN108824347A CN108824347A (en) 2018-11-16
CN108824347B true CN108824347B (en) 2019-06-14

Family

ID=64133590

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810697829.XA Active CN108824347B (en) 2018-06-29 2018-06-29 A kind of canalized rivers repair system

Country Status (1)

Country Link
CN (1) CN108824347B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111005345A (en) * 2019-12-03 2020-04-14 福建省水利水电勘测设计研究院 Ecological water system restoration construction method

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1181265A (en) * 1997-09-03 1999-03-26 Sekisui House Ltd Revetment structure for artificial pond
CN102071697A (en) * 2011-02-12 2011-05-25 河海大学 Hard reinforced concrete revetment slope biological repairing method
CN205314053U (en) * 2016-01-10 2016-06-15 郭瑞莲 Hydraulic engineering ecological protection slope

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1181265A (en) * 1997-09-03 1999-03-26 Sekisui House Ltd Revetment structure for artificial pond
CN102071697A (en) * 2011-02-12 2011-05-25 河海大学 Hard reinforced concrete revetment slope biological repairing method
CN205314053U (en) * 2016-01-10 2016-06-15 郭瑞莲 Hydraulic engineering ecological protection slope

Also Published As

Publication number Publication date
CN108824347A (en) 2018-11-16

Similar Documents

Publication Publication Date Title
CN108824347B (en) A kind of canalized rivers repair system
CN102172202A (en) Device for automatically controlling irrigation and water draining of paddy field
CN204117454U (en) A kind of hydropower instructional device
CN107258478A (en) A kind of solar water supply device of environmental protection and energy saving
CN111027264A (en) Plain district urban river network water circulation regulation and control method based on ecological restoration target
CN201391337Y (en) Automatic drainage system of cable tunnel
CN109958093A (en) A kind of Ecosystem restoration system hardening bank slope
CN203201823U (en) Automatic draining device for cable chute
CN107268713A (en) Sponge city eaves rainwater treatment device
CN204679666U (en) A kind of flood-discharge atomizing heavy showers continuous measuring device
CN207812637U (en) A kind of buoyancy control cut-off equipment for transformation of shutting off for residential building balcony sewage
CN204510167U (en) A kind of control system of movable dam
CN207032185U (en) A kind of high-efficient irrigation coupling technique device based on full controlling channel system
CN110409391A (en) A kind of farm field irrigation drainage valve system
CN104238526A (en) Drainage system monitoring device beneficial for guaranteeing electric energy supply
CN205176009U (en) Water quality monitoring equipment
CN206503226U (en) A kind of anti-inspection shaft ponding dredger in city
CN204738276U (en) Irrigation canals and ditches drainage gate
CN107365031A (en) A kind of river course distribution method that city inland river self-purification capacity is substantially improved
CN211948215U (en) Flood control device for flood control engineering
CN203569549U (en) Inspection well flow limiting device for buried pipe drainage
CN211554756U (en) Small-sized tail gate non-constant water level monitoring system for hydraulic model test
CN202727080U (en) Automatic timed concrete watering maintenance device
CN105672448A (en) Efficient interception system and control method for agricultural non-point source pollution
CN108842715B (en) Harden the ecological recovery system of bank slope

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant