CN101948213A - Unpowered urban inland river pollution control system and method - Google Patents
Unpowered urban inland river pollution control system and method Download PDFInfo
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- CN101948213A CN101948213A CN2010102664846A CN201010266484A CN101948213A CN 101948213 A CN101948213 A CN 101948213A CN 2010102664846 A CN2010102664846 A CN 2010102664846A CN 201010266484 A CN201010266484 A CN 201010266484A CN 101948213 A CN101948213 A CN 101948213A
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Abstract
The invention discloses an unpowered urban inland river pollution control system and an unpowered urban inland river pollution control method and relates to an urban inland river pollution control system and an urban inland river pollution control method. The unpowered urban inland river pollution control system and the unpowered urban inland river pollution control method can reduce the operation cost in an inland river control process. The unpowered urban inland river pollution control system consists of an anaerobic biological filter urban inland river dam treatment system and an aerobic ecological riverway treatment system, wherein the anaerobic biological filter urban inland river dam treatment system is built along a river; and the aerobic ecological riverway treatment system consists an aerobic ecological pebble river bed arranged at the bottom of the riverway and a drop flap gate system arranged on the downstream of the river and stopping river flow along the width direction of the river. The unpowered urban inland river pollution control method is as follows: sewage is treated in the dam anaerobic biological filter and controlled by an inland drop aerating aerobic ecological riverway alternately to be purified, and the appearance of the water is improved and the water is purified by the anaerobic and aerobic ecological treatment. The system and the method can be used in the field of urban inland river pollution control.
Description
Technical field
The present invention relates to a kind of system and method that is used to administer city inland river pollution.
Background technology
All there is one or several city inland river in each city at first stage of construction, and its major function is flood discharge in rainy season and urban sewage river.But along with the raising of urbanization degree, people are to the raising of environmental quality requirement, and the function of water body of city inland river is changed into view and flood discharge river by blowdown flood discharge river.But because just the water quality of rain is relatively poor in the city, the rainwater behind the surface runoff near or surpass the water pollution degree of municipal wastewater treatment plant.And resident along the river topples over domestic refuse to Ha Noi, and effluent is stolen to the inland river by enterprise.Therefore, city inland river pollution is serious.National governments all at the improvement city inland river of actively making great efforts, guarantee under the prerequisite of its water body flood discharge function, purify beautifying water body, make it to become the city beautiful scenery, rather than the sewage ditch that allows the people step back.But present existing resolution running cost is generally higher.
Summary of the invention
The objective of the invention is to reduce the running cost in the governance process of inland river, a kind of unpowered city inland river pollution governing system and method are provided.
Unpowered city inland river pollution governing system, it is characterized in that it comprises anaerobic biofilter formula city inland river dykes and dams treatment system and aerobic ecological riverway treatment system two portions, described anaerobic biofilter formula city inland river dykes and dams treatment system is built along the river, described aerobic ecological riverway treatment system is made up of aerobic ecological cobble riverbed and balanced wicket system, described aerobic ecological cobble riverbed is arranged on river course bottom, and described balanced wicket system is arranged on downstream, river and the interception of width along the river river.
Unpowered city inland river pollution improvement method, it comprises that successively anaerobism is administered the dykes and dams process section and aerobic cobble ecological riverway water quality is administered two stages of section;
The process that described anaerobism is administered the dykes and dams process section is:
Sewage such as rainwater flow into from the source drainage inlet of anaerobic biofilter formula city inland river dykes and dams treatment system, in the process of the anaerobe filter dam body of the anaerobic biofilter formula of flowing through city inland river dykes and dams treatment system, utilize the anaerobe film on the rubble surface in the anaerobe filter dam body to handle the sewage that flows into the rubble gap; Sewage flows into the reservoir chamber in the anaerobic biofilter formula city inland river dykes and dams treatment system from anaerobe filter dam body, when water level reaches height into the river course water port, flow out to aerobic ecological riverway treatment system from going into the river course water port;
The process that described aerobic cobble ecological riverway water quality is administered section is: sewage is discharged in the aerobic ecological riverway treatment system from going into the river course water port, the sewage following current gesture diffluence downstream of discharging, when river is flowed through aerobic ecological cobble riverbed during this time, utilize the aerobic biologic membrane on the cobble surface in aerobic ecological cobble riverbed that river is carried out the biochemical purification effect, when flowing to the balanced wicket system that is positioned at this inland river downstream end, river is blocked, when the river water level reaches the waterpower elevation that the balanced wicket system opens, the balanced wicket system relies on hydraulic pressure to open automatically, form drop water aeration, river flows out to downstream river course from the balanced wicket upper edge of balanced wicket system.
Positively effect of the present invention:
Unpowered city inland river pollution governing system of the present invention and method make sewage filter dykes and dams, aerobic ecological cobble riverbed biochemical treatment through anaerobe, and hocket repeatedly and reach the purpose of purification of water quality.Filter the apparent state that improves water quality by anaerobe, purify water, make the water quality view performance that enters in the city inland river good, further make water quality reach the view water quality standard by the ecological river bed aerobic Ecological Disposal of cobble in the river course.The dissolved oxygen mode of the aerobic Ecological Disposal of water quality comprises nature dissolved oxygen and drop water aeration dissolved oxygen dual mode in the riverbed, wherein the drop water aeration dissolved oxygen adopts the design of panel turnover sluice gate gate-type, when the river water level reaches the waterpower elevation of balanced wicket unlatching, balanced wicket relies on hydraulic pressure to open automatically, need not driven by power, this moment, big waterpower drop formed drop water aeration, utilized natural drop water aeration and then realization to the unpowered oxygenation of river, can save running cost.
Description of drawings
Fig. 1 is unpowered city inland river pollution governing system plot plan; Fig. 2 is that the A-A of Fig. 1 is to sectional view; Fig. 3 be the B-B of Fig. 1 to sectional view, wherein N represents the governing system of downstream city inland river section; Fig. 4 is that the C-C of Fig. 2 is to sectional view.
Embodiment
Embodiment one: the unpowered city inland river pollution governing system of present embodiment, it comprises anaerobic biofilter formula city inland river dykes and dams treatment system 1 and aerobic ecological riverway treatment system 2 two portions, described anaerobic biofilter formula city inland river dykes and dams treatment system 1 is built along the river, described aerobic ecological riverway treatment system 2 is made up of aerobic ecological cobble riverbed 2-1 and the 2-2 of balanced wicket system, described aerobic ecological cobble riverbed 2-1 is arranged on the bottom, river course, and the described balanced wicket 2-2 of system is arranged on downstream, river and the interception of width along the river river.The 2-2 of balanced wicket system tackles river, can guarantee the residence time of river in interior korneforos, and the function that realizes high-order oxygenic aeration, hydraulic pressure drop.
Sewage passes through the anaerobism purifying treatment in anaerobic biofilter formula city inland river dykes and dams treatment system 1 after, flow in the aerobic ecological riverway treatment system 2, the aerobic Ecological Disposal of process in aerobic ecological riverway treatment system 2, wherein, the oxygenation mode of aerobic Ecological Disposal comprises nature dissolved oxygen and drop water aeration oxygenation, be that the 2-2 of balanced wicket system is by the interception current, increase the mode of the residence time of river in the river course, making aerobic ecological cobble riverbed 2-1 carry out natural purification to river handles, and when the river water level reaches the waterpower elevation of the 2-2 of balanced wicket system unlatching, balanced wicket relies on hydraulic pressure to open automatically, big waterpower drop forms drop water aeration, utilizes natural drop water aeration and then the realization unpowered oxygenation to river.
Embodiment two: present embodiment is the further qualification to embodiment one, and described anaerobic biofilter formula city inland river dykes and dams treatment system 1 is mainly filtered dam body 1-4, the first waterwall 1-5-1, the second waterwall 1-5-2, the first waterwall water port 1-6, reservoir chamber 1-7 by upstream face 1-1, back side 1-2, source drainage inlet 1-3, anaerobe and gone into river course water port 1-8 and form; Described source drainage inlet 1-3 is arranged on the top of back side 1-2, the first waterwall water port 1-6 is arranged on the bottom of the first waterwall 1-5-1, the metope of the metope of the first waterwall 1-5-1 and the second waterwall 1-5-2 is oppositely arranged, and form reservoir chamber 1-7 between the first waterwall 1-5-1 and the second waterwall 1-5-2, described upstream face 1-1 seals the top of the first waterwall 1-5-1 and the second waterwall 1-5-2, goes into river course water port 1-8 and is arranged on the upstream face 1-1 and between the first waterwall 1-5-1 and the second waterwall 1-5-2.
Surface runoff enters in the anaerobe filter dam body 1-4 by source drainage inlet 1-3, is purified by anaerobe in anaerobe filter dam body 1-4; When the water level among the reservoir chamber 1-7 among the anaerobe filter dam body 1-4 reaches certain height, enter the river course and form drop water aeration oxygenation simultaneously by going into river course water port 1-8 overflow.In the river course,, increase the residence time of river in the river course by retaining of the 2-2 of balanced wicket system; The aerobic biologic membrane that helps 2-1 cobble surface, aerobic ecological cobble riverbed further carries out biochemical purification to river.When the depth of water in the city inland river reaches design altitude, hydraulic pressure is opened the 2-2 of balanced wicket system, carries out flood discharge, and forms huge drop water aeration, realize further purifying, be formed on the sewage that spews out in the aerobic treatment merging city inland river dykes and dams in the next stage city inland river and handle together.Multistage anaerobism--the drop water aeration----aerobic treatment etc. that are from upstream to the downstream by city inland river repeatedly repeatedly like this, when finally being drained into lower reache, water quality is purified fully, and can guarantee the demand of flood discharge and ecoscape water quality, the upstream face of city inland river also can beautify green according to the landscape environment demand.
Embodiment three: present embodiment is the further qualification to embodiment one or two, described anaerobe filter dam body 1-4 is piled up, is fixedly formed through binding reinforcing bars by rubble, have the space between the rubble, and the rubble surface has the anaerobe film of self-forming.
Comprise a large amount of anerobes in the described anaerobe film, their can effectively the degrade organic pollutants of difficult degradation in the water body.
Embodiment four: present embodiment is the further qualification to embodiment two, and described aerobic ecological cobble riverbed 2-1 adopts cobble to be laid on the bottom surface, river course of city inland river, forms non-smooth river course, and the cobble surface has the aerobic biologic membrane of self-forming.
This microbial film comprises a large amount of aerobic bacterias, their organic pollutant in can effective decomposition water body, and denitrogenation, dephosphorization purifies water.
Embodiment five: present embodiment is the further qualification to embodiment one to four, the described balanced wicket 2-2 of system is mainly by balanced wicket 2-2-1, buttress 2-2-2 and Protection Pier 2-2-3 form, described balanced wicket 2-2-1 is arranged on downstream, river and the interception of width along the river river, described buttress 2-2-2 is arranged on the downstream side of balanced wicket 2-2-1, balanced wicket 2-2-1 goes up the position corresponding with buttress 2-2-2 and is provided with support arm, support arm is provided with hinge, buttress 2-2-2 is provided with free bearing, described hinge is connected by hinge with free bearing, thereby balanced wicket 2-2-1 is linked to each other with buttress 2-2-2, and balanced wicket 2-2-1 can rotate around the hinge on the buttress 2-2-2; Described Protection Pier 2-2-3 is arranged on the updrift side of balanced wicket 2-2-1, and effect is the original position that guarantees that gate recovers when water level reduces, and realizes the effect of retaining current.
Balanced wicket is a kind of plane gate that can utilize hydraulic pressure that gate is opened and closed around horizontal rotational shaft.The 2-2 of balanced wicket system is arranged on each section of downstream, river, and general every 1km is provided with a balanced wicket 2-2-1 and the interception of width along the river river
Embodiment six: present embodiment is the further qualification to embodiment one to five, and the surface of described anaerobic biofilter formula city inland river dykes and dams treatment system 1 adopts thickness to form for the 20mm cement casting, forms the road surface.
Embodiment seven: present embodiment is the further qualification to embodiment one to six, and described upstream face 1-1 adopts the Steel Concrete cast to form.
The upstream face that the cast of the employing Steel Concrete of present embodiment forms, can guarantee in the city inland river moisture water-holding capacity, play the function of antiseepage.
Embodiment eight: present embodiment is the further qualification to embodiment six, and described anaerobic biofilter formula city inland river dykes and dams treatment system 1 comprises that also turf protects by 1-9, and described turf protects by 1-9 and is laid on the cement layer surface.
Embodiment nine: present embodiment is the further qualification to embodiment one to eight, described source drainage inlet (1-3) adopts the aperture plate form, aperture plate is divided into grille well, the solid waste that aperture plate is brought in order to the interception rainwash, and the grid well is in order to remove residue, control obstruction worry bed.
Embodiment ten: the unpowered city inland river pollution improvement method of present embodiment, it comprises that successively anaerobism is administered the dykes and dams process section and aerobic cobble ecological riverway water quality is administered two stages of section;
The process that described anaerobism is administered the dykes and dams process section is:
Sewage such as rainwater flow into from the source drainage inlet of anaerobic biofilter formula city inland river dykes and dams treatment system 1, in the process of the anaerobe filter dam body of the anaerobic biofilter formula of flowing through city inland river dykes and dams treatment system 1, utilize the anaerobe film on the rubble surface in the anaerobe filter dam body to handle the sewage that flows into the rubble gap, guarantee the rubble treatment zone water ratio at 30-40%; Sewage flows into the reservoir chamber in the anaerobic biofilter formula city inland river dykes and dams treatment system 1 from anaerobe filter dam body, when water level reaches height into the river course water port, flow out to aerobic ecological riverway treatment system 2 from going into the river course water port:
The process that described aerobic cobble ecological riverway water quality is administered section is: sewage is discharged in the aerobic ecological riverway treatment system 2 from going into the river course water port, the sewage following current gesture diffluence downstream of discharging, when river is flowed through aerobic ecological cobble riverbed 2-1 during this time, utilize the aerobic biologic membrane on the cobble surface of aerobic ecological cobble riverbed 2-1 that river is carried out the biochemical purification effect, when flowing to the 2-2 of balanced wicket system that is positioned at this inland river downstream end, river is blocked, the 2-2 of balanced wicket system can prolong the residence time of sewage in the river course, and then realization aerobic treatment effect, when the river water level reaches the waterpower elevation that the 2-2 of balanced wicket system opens, the 2-2 of balanced wicket system relies on hydraulic pressure to open automatically, form drop water aeration, river flows out to downstream river course from the balanced wicket upper edge of the 2-2 of balanced wicket system; During gate opening,, thereby form drop water aeration, utilize natural drop water aeration and then can realize unpowered oxygenation, can save running cost river because of the waterpower drop is bigger.Wherein, administer section in aerobic cobble ecological riverway water quality, the oxygenation mode of water body comprises natural atmosphere dissolved oxygen and drop formula gate system gravity oxygenation dual mode in the river course.
Unpowered city inland river pollution improvement method of the present invention, administer the dykes and dams process section in anaerobism, the city inland river embankment unit adopts rubble to pile up and forms, utilize the microbial film on rubble surface to handle the sewage that flows into the rubble gap, for requiring rubble to adopt reinforcing bar to be stranded bundle outward, proof strength fixes, the upstream face of river levee and back side adopt cement to fill, and prevent infiltration, guarantee the rubble treatment zone water ratio at 30-40%; In the aerobic improvement section of inland river drop water aeration, the amount of entering according to daily sewage in the city inland river, build balanced wicket, spacing and height by the control balanced wicket, and then control sewage in the residence time in interior Ha Noi, and realize handling effect, drop by high-order simultaneously, realize drop water aeration, be the river oxygenation.The waterpower fluidised form design of river anaerobic and aerobic section alternate treatment, the elevation cooperation by influent weir, effluent weir can realize that anaerobism arrives aerobic sewage alternative expression tupe.
Unpowered city inland river pollution governing system of the present invention and method, make sewage handle and hocket repeatedly and reach the purpose of purification of water quality through the filtration of dykes and dams anaerobe, ecological cobble riverbed, inland river aerobic biochemical, filter the apparent state that improves water quality by anaerobe, purify water, make the water quality view performance that enters in the city inland river good, further make water quality reach the view water quality standard by the ecological river bed aerobic Ecological Disposal of cobble in the river course.The dissolved oxygen mode of the aerobic Ecological Disposal of water quality has nature dissolved oxygen and drop water aeration dissolved oxygen dual mode in the riverbed, wherein the drop water aeration dissolved oxygen adopts the design of panel turnover sluice gate gate-type, when the river water level reaches the waterpower elevation of balanced wicket unlatching, balanced wicket relies on hydraulic pressure to open automatically, this moment, big waterpower drop formed drop water aeration, utilize natural drop water aeration and then realization to the unpowered oxygenation of river, can save running cost.
Claims (10)
1. unpowered city inland river pollution governing system, it is characterized in that it comprises anaerobic biofilter formula city inland river dykes and dams treatment systems (1) and aerobic ecological riverway treatment system (2) two portions, described anaerobic biofilter formula city inland river dykes and dams treatment systems (1) are built along the river, described aerobic ecological riverway treatment system (2) is made up of aerobic ecological cobble riverbed (2-1) and balanced wicket system (2-2), described aerobic ecological cobble riverbed (2-1) is arranged on the bottom, river course, and described balanced wicket system (2-2) is arranged on downstream, river and the interception of width along the river river.
2. unpowered city inland river pollution governing system according to claim 1 is characterized in that described anaerobic biofilter formula city inland river dykes and dams treatment systems (1) are mainly by upstream face (1-1), back side (1-2), source drainage inlet (1-3), anaerobe filter dam body (1-4), first waterwall (1-5-1), second waterwall (1-5-2), the first waterwall water port (1-6), reservoir chamber (1-7) and go into river course water port (1-8) and form; Described source drainage inlet (1-3) is arranged on the top of back side (1-2), the first waterwall water port (1-6) is arranged on the bottom of first waterwall (1-5-1), the metope of the metope of first waterwall (1-5-1) and second waterwall (1-5-2) is oppositely arranged, and form reservoir chamber (1-7) between first waterwall (1-5-1) and second waterwall (1-5-2), described upstream face (1-1) is sealed the top of first waterwall (1-5-1) and second waterwall (1-5-2), goes into river course water port (1-8) and is arranged on upstream face (1-1) and goes up and be positioned between first waterwall (1-5-1) and second waterwall (1-5-2).
3. unpowered city inland river pollution governing system according to claim 1, it is characterized in that described anaerobe filters dam body (1-4) and piled up, fixedly formed through binding reinforcing bars by rubble, have the space between the rubble, and the rubble surface has the anaerobe film of self-forming.
4. unpowered city inland river pollution governing system according to claim 1, it is characterized in that described aerobic ecological cobble riverbed (2-1) adopts cobble to be laid on the bottom surface, river course of city inland river, form non-smooth river course, the cobble surface has the aerobic biologic membrane of self-forming.
5. unpowered city inland river pollution governing system according to claim 1, it is characterized in that described balanced wicket system (2-2) is mainly by balanced wicket (2-2-1), buttress (2-2-2) and Protection Pier (2-2-3) are formed, described balanced wicket (2-2-1) is arranged on downstream, river and the interception of width along the river river, described buttress (2-2-2) is arranged on the downstream side of balanced wicket (2-2-1), balanced wicket (2-2-1) is gone up the position corresponding with buttress (2-2-2) and is provided with support arm, support arm is provided with hinge, buttress (2-2-2) is provided with free bearing, and described hinge is connected by hinge with free bearing.
6. unpowered city inland river pollution governing system according to claim 1 is characterized in that the surface of described anaerobic biofilter formula city inland river dykes and dams treatment systems (1) adopts thickness to form for the 20mm cement casting.
7. unpowered city inland river pollution governing system according to claim 1 is characterized in that described upstream face (1-1) adopts the Steel Concrete cast to form.
8. unpowered city inland river pollution governing system according to claim 6 is characterized in that described anaerobic biofilter formula city inland river dykes and dams treatment systems (1) comprise that also turf protects by (1-9), and described turf protects by (1-9) and is laid on the cement layer surface.
9. unpowered city inland river pollution governing system according to claim 1 is characterized in that described source drainage inlet (1-3) adopts the aperture plate form, and aperture plate is divided into grille well.
10. unpowered city inland river pollution improvement method is characterized in that it comprises that successively anaerobism is administered the dykes and dams process section and aerobic cobble ecological riverway water quality is administered two stages of section;
The process that described anaerobism is administered the dykes and dams process section is:
Sewage such as rainwater flow into from the source drainage inlet of anaerobic biofilter formula city inland river dykes and dams treatment systems (1), in the process of the anaerobe filter dam body of the anaerobic biofilter formula of flowing through city inland river dykes and dams treatment systems (1), utilize the anaerobe film on the rubble surface in the anaerobe filter dam body to handle the sewage that flows into the rubble gap; Sewage flows into the reservoir chamber in the anaerobic biofilter formula city inland river dykes and dams treatment systems (1) from anaerobe filter dam body, when water level reaches height into the river course water port, flow out to aerobic ecological riverway treatment system (2) from going into the river course water port;
The process that described aerobic cobble ecological riverway water quality is administered section is: sewage is discharged in the aerobic ecological riverway treatment system (2) from going into the river course water port, the sewage following current gesture diffluence downstream of discharging, when river is flowed through aerobic ecological cobble riverbed (2-1) during this time, utilize the aerobic biologic membrane on the cobble surface in aerobic ecological cobble riverbed (2-1) that river is carried out the biochemical purification effect, when flowing to the balanced wicket system (2-2) that is positioned at this inland river downstream end, river is blocked, when the river water level reaches the waterpower elevation that balanced wicket system (2-2) opens, balanced wicket system (2-2) relies on hydraulic pressure to open automatically, form drop water aeration, river flows out to downstream river course from the balanced wicket upper edge of balanced wicket system (2-2).
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| CN102219313A (en) * | 2011-02-23 | 2011-10-19 | 河海大学 | Method for improving water quality of steep-slope river by drop-aeration |
| CN104773897A (en) * | 2014-01-13 | 2015-07-15 | 中国科学院烟台海岸带研究所 | Coast lack-odor river channel water quality in-situ remediation system |
| CN105399224A (en) * | 2015-12-01 | 2016-03-16 | 中国科学院、水利部成都山地灾害与环境研究所 | Efficient drop water oxygen exposing system and method for purification of domestic wastewater |
| CN107285558A (en) * | 2017-06-30 | 2017-10-24 | 中电环保股份有限公司 | Sewage treatment unit based on drop type biological filtering tower combined working unit |
| CN107640826A (en) * | 2017-09-20 | 2018-01-30 | 浙江伍特环保科技有限公司 | Batch (-type) AO river regulation devices |
| CN108824352A (en) * | 2018-06-29 | 2018-11-16 | 中国冶集团有限公司 | Sponge type bank protection structure for port water in a canal system two sides |
| CN109024749A (en) * | 2018-09-20 | 2018-12-18 | 苏州希克曼物联技术有限公司 | Accrete clearing device and its dredging method are dug in small punching in the scouring type river bottom mud waterpower that drops |
| CN110372107A (en) * | 2019-08-27 | 2019-10-25 | 上海市城市建设设计研究总院（集团）有限公司 | River baffle guiding device |
| CN113955861A (en) * | 2021-12-01 | 2022-01-21 | 雷春义 | Multi-layer oxygenation restoration device for river channel and use method thereof |
| CN115323981A (en) * | 2022-08-01 | 2022-11-11 | 中国电建市政建设集团有限公司 | Medium and small river anti-blocking ecological filtering dam capable of carrying out flood and draining stagnant water and using method |
| CN110372107B (en) * | 2019-08-27 | 2024-05-03 | 上海市城市建设设计研究总院（集团）有限公司 | River channel blocking and guiding device |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102219313A (en) * | 2011-02-23 | 2011-10-19 | 河海大学 | Method for improving water quality of steep-slope river by drop-aeration |
| CN104773897B (en) * | 2014-01-13 | 2016-06-15 | 中国科学院烟台海岸带研究所 | A kind of water quality in-situ remediation system of strand black-odor riverway |
| CN104773897A (en) * | 2014-01-13 | 2015-07-15 | 中国科学院烟台海岸带研究所 | Coast lack-odor river channel water quality in-situ remediation system |
| CN105399224B (en) * | 2015-12-01 | 2018-04-06 | 中国科学院、水利部成都山地灾害与环境研究所 | A kind of efficient drop for purifying domestic sewage exposes oxygen system and method |
| CN105399224A (en) * | 2015-12-01 | 2016-03-16 | 中国科学院、水利部成都山地灾害与环境研究所 | Efficient drop water oxygen exposing system and method for purification of domestic wastewater |
| CN107285558A (en) * | 2017-06-30 | 2017-10-24 | 中电环保股份有限公司 | Sewage treatment unit based on drop type biological filtering tower combined working unit |
| CN107640826A (en) * | 2017-09-20 | 2018-01-30 | 浙江伍特环保科技有限公司 | Batch (-type) AO river regulation devices |
| CN108824352A (en) * | 2018-06-29 | 2018-11-16 | 中国冶集团有限公司 | Sponge type bank protection structure for port water in a canal system two sides |
| CN109024749A (en) * | 2018-09-20 | 2018-12-18 | 苏州希克曼物联技术有限公司 | Accrete clearing device and its dredging method are dug in small punching in the scouring type river bottom mud waterpower that drops |
| CN109024749B (en) * | 2018-09-20 | 2023-08-08 | 苏州希克曼物联技术有限公司 | Drop flushing type river bottom mud force medium and small flushing dredging device and dredging method thereof |
| CN110372107A (en) * | 2019-08-27 | 2019-10-25 | 上海市城市建设设计研究总院（集团）有限公司 | River baffle guiding device |
| CN110372107B (en) * | 2019-08-27 | 2024-05-03 | 上海市城市建设设计研究总院（集团）有限公司 | River channel blocking and guiding device |
| CN113955861A (en) * | 2021-12-01 | 2022-01-21 | 雷春义 | Multi-layer oxygenation restoration device for river channel and use method thereof |
| CN113955861B (en) * | 2021-12-01 | 2023-12-01 | 惠瑞工程集团有限公司 | Multi-layer oxygenation restoration device for river channel and application method thereof |
| CN115323981A (en) * | 2022-08-01 | 2022-11-11 | 中国电建市政建设集团有限公司 | Medium and small river anti-blocking ecological filtering dam capable of carrying out flood and draining stagnant water and using method |
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| CN101948213B (en) | 2012-07-04 |
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