CN105439289A - Ecological restoration apparatus for slightly-polluted river water body - Google Patents

Ecological restoration apparatus for slightly-polluted river water body Download PDF

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Publication number
CN105439289A
CN105439289A CN201510971589.4A CN201510971589A CN105439289A CN 105439289 A CN105439289 A CN 105439289A CN 201510971589 A CN201510971589 A CN 201510971589A CN 105439289 A CN105439289 A CN 105439289A
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China
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framework
gravel
river water
water
water body
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CN201510971589.4A
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Chinese (zh)
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CN105439289B (en
Inventor
于鲁冀
柏义生
陈涛
刘国强
徐艳红
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Zhengzhou University
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Zhengzhou University
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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/32Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/32Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
    • C02F3/327Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae characterised by animals and plants
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/34Biological treatment of water, waste water, or sewage characterised by the microorganisms used
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/007Contaminated open waterways, rivers, lakes or ponds
    • 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
    • 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
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00Technologies for wastewater treatment
    • Y02W10/10Biological treatment of water, waste water, or sewage

Abstract

The invention relates to an ecological restoration apparatus for slightly-polluted river water body, and effectively solves the restoration problem of the slightly-polluted river water body. According to the technical scheme, the center of a frame is provided with a fixing plate through a bolt, uniformly-distributed water-permeable planting grooves are arranged on the frame, and emergent plant is planted in the water-permeable planting grooves; the upper part of the frame is paved with an artificially-synthesized matrix layer, and a wet-land dwarf cold-resistant plant is planted on the matrix layer and is apart with emergent plant; a vertical connection rope is tied to the lower part of the frame, uniformly-distributed biological membrane fillers are disposed on the vertical connection rope and are in serial connection, and the vertical connection rope is fixedly disposed on first gravel at the bottom of the water body; the frame is transversely fixedly connected with a timber pile on the river slope via a haulage rope, the frame is floated on the water surface; and multiple unit restoration apparatuses are in uniform serial connection and form a restoration apparatus array. The apparatus can enable the slightly-polluted water body to be subjected to omnibearing area purification, and is good in landscape effect, high in stability and impact resistance, also convenient to transport, easy to assembly and simple to run, and free combination can be realized.

Description

A kind of micro-polluted river water ecological restoration device
Technical field
The present invention relates to river ecological environment remediation, particularly a kind of micro-polluted river water ecological restoration device.
Background technology
At present, due to the fast development in industrialization city, water resources is overused, and a large amount of industrial and life contaminated water enters river, makes most of river water overproof water quality, Ecology functional deterioration.Especially urban river, water environment pollution is serious, and river course hardening, even foul smelling phenomenon, affects landscape environment.And artificial floating bed technology is based on waterplant, use cultivation technique without soil principle, with macromolecular material etc. for carrier, appliable plant absorbs pollution substance in water body, to cut down the pollution load in water body, beautifies the environment simultaneously.Described micro-polluted river refers to that the COD concentration of river water is 35 ~ 50mg/L, and ammonia nitrogen concentration is 3 ~ 7mg/L.
After before 20 years, German BESTMAN company develops first man work floating bed, take Japan as Pollution abatement and the restoration of the ecosystem that artificial floating bed is successfully applied to surface water body by the countries and regions of representative.In recent years, the artificial floating bed technological development of China and application are just in time in fast-developing period.Particularly be widely used in the Ecological Recovery of Water in urban river lake, but artificial floating bed technology has obvious superiority compared with other river system repair technology, but also have a lot of deficiency: too much utilize floating bed plant to adsorb and absorb water body pollution of surface material, not middle to water body and bottom pollutent has an impact; What floating bed plant great majority adopted is cultivation technique without soil, seldom uses matrix and matrix biopolymers membrane interaction; Artificial floating bed majority is difficult to resist wind, rain and more anxious current, and result of use is also unsatisfactory, and therefore, how repairing micro-polluted river ecotope, is the technical problem that must conscientiously solve.
Summary of the invention
For above-mentioned situation, overcome the defect of prior art, the object of the present invention is just to provide a kind of micro-polluted river water ecological restoration device, effectively can solve the problem of micro-polluted river water restoration of the ecosystem.
The technical scheme that the present invention solves is, comprise framework, waterplant, pin down rope and timber, frame center is equipped with retaining plate through bolt, there is the mounting flange for strengthening at the center on framework four limit, framework is provided with uniform permeable planting groove, plant in permeable planting groove and be implanted with emergent, the root system of emergent stretches into water surface bottom through permeable planting groove, framework upper is equipped with the hypothallus of synthetic, hypothallus is equipped with layer of fine sand, fine sand is planted and is implanted with the short raw hardy plant of the alternate wetland opened with emergent, framework lower part series has vertical connection cord, on vertical connection cord, series connection is evenly equipped with biofilm packing, vertical connection cord stretches into bottom in water body, be connected to be placed in water bottom the first gravel on fixing, first gravel (large gravel) is filled with the second gravel (little gravel) that granularity is less than the first gravel around, the timber of framework on traction rope and slope, river is laterally fixed together, make on framework bubbles through the water column, multiple unit prosthetic device is evenly serially connected, form prosthetic device row group, on the slope, river on both sides, riverbank, alternately dislocation is cared for through traction rope and is floated on prosthetic device row group uniform on the river water surface, by artificial substratum layer, plant, fish, the physics of microorganism, chemistry, biological triple synergy, eliminate hardening river water body pollutent, improve water ecological setting, realize river water restoration of the ecosystem.
The present invention can make micropollutant water obtain, and comprehensive area decontamination, landscape effect are good, steadiness and anti-impact force strong, simultaneously convenient transportation, be easy to splicing install, run easy, can independent assortment, be conducive to the restoration of the ecosystem of landscape layout, have significant economic and social benefit.
Accompanying drawing explanation
Fig. 1 is sectional front view of the present invention.
Fig. 2 is framework vertical view of the present invention.
Fig. 3 of the present inventionly installs and uses state graph (in figure arrow instruction water (flow) direction).
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is elaborated.
Shown in Fig. 1-3, the present invention includes framework, waterplant, pin down rope and timber, in framework 5, the heart channel of Hang-Shaoyin bolt 16 is equipped with retaining plate 15, there is the mounting flange 17 for strengthening at the center on framework four limit, framework is provided with uniform permeable planting groove 18, plant in permeable planting groove and be implanted with emergent 1, the root system 6 of emergent stretches into the water surface 19 bottom through permeable planting groove 18, framework upper is equipped with the hypothallus 4 of synthetic, hypothallus 4 is equipped with layer of fine sand 3, fine sand is planted and is implanted with the short raw hardy plant 2 of the wetland opened alternate with emergent 1, framework lower part series has vertical connection cord 8, on vertical connection cord 8, series connection is evenly equipped with biofilm packing 7, vertical connection cord 8 stretches into bottom in water body, be connected to be placed in water bottom the first gravel 10 on fixing, first gravel (large gravel) is filled with the second gravel (little gravel) 9 that granularity is less than the first gravel around, the timber 12 of framework 5 on traction rope 11 and slope, river 13 is laterally fixed together, framework is made to bubble through the water column on 19, multiple unit prosthetic device is evenly serially connected, form prosthetic device row and organize 20, on the slope, river 13 on both sides, riverbank, alternately dislocation is cared for through traction rope 11 and is floated on prosthetic device row uniform on the river water surface and organize 20, by artificial substratum layer, plant, fish, the physics of microorganism, chemistry, biological triple synergy, eliminate hardening river water body pollutent, improve water ecological setting, realize river water restoration of the ecosystem.
In order to ensure result of use and easy to use, described framework 5 be by polystyrene or ethylene-vinyl acetate copolymer make identical four unit frameworks A, B, C, D through framework be connected tooth 14 overlap and form together square, long 5m, wide 2.5m, high 20cm, and four unit frameworks to be integrally fixed structure by the mounting flange 17 in the middle part of periphery and center retaining plate 15, bolt 16.
Described hypothallus 4 is the spherical porous structure that the complex body of artificial synthetic zeolite or gravel or zeolite or gravel and carbon source is made, and is filled with the meal made as the corn cob of carbon source, straw or trees, matrix thickness 2 ~ 5cm in hole;
The laying depth of described fine sand is 1 ~ 2cm.
Described biofilm packing 7 makes square, circular for stereo-elastic light material polyethylene or long filament is spherical, and series connection is distributed on vertical connection cord 8.
The first described gravel 10, second gravel 9 forms the Improvement of Ecological Environment plot structure of perching for water body Mesichthyes and hydrocoles.
Described emergent 1 is cattail, calamus, Canna generalis Bailey and Spiked Loosestrife etc.
The short raw hardy plant 2 of described wetland is the short raw tuber of dwarf lilyturf, short raw crape myrtle, leaf of Hedge Bamboo and rye grass etc.
From the above, the composite structure that massive planting thing of the present invention, synthetic hypothallus, biofilm packing, Gravels and framework are formed, combines acting in conjunction by plant, synthetic hypothallus, biofilm packing and Gravels, reaches the reparation of river ecological.The whole framework of device is connected tooth by four unit frameworks by framework and is mutually connected and forms, and is fixed at heart place in the frame by retaining plate and bolt, and simultaneously in the edge of framework, namely the joining place of four assembled units uses mounting flange to reinforce.Framework is provided with permeable planting groove, so that emergent root system stretches into water body, synthetic hypothallus is laid on device frame top, it lays one deck fine sand, fine sand is planted the short raw hardy plant of wetland.Framework lower part series has vertical connection cord, arranged in series filler on vertical connection cord, stretches into water bottom and is connected on gravel, reach the effect of vertical stationary installation, be laid with the gravel that particle diameter is less around gravel.Whole device carries out transverse direction by the timber pining down rope and river sloping bank and fixedly bubbles through the water column, and multiple device connection is alternately put in the river of sluggish flow.
Transplant emergent 1 in permeable planting groove on framework, its root system stretches into water body.Lay the thick synthetic matrix 4 of 2 ~ 5cm and the thick fine sand 3 of 1 ~ 2cm above framework, fine sand is planted the short raw hardy plant 2 of wetland.The short raw hardy plant of wetland and emergent symbiosis, build near-nature forest plant-growth group, not only reduce water pollutant content, improve water quality, the O of root system of plant release simultaneously 2enter in water body, improve DO in water body, framework lower part series has vertical arranged in series biofilm packing 7, stretches into be connected to particle diameter bottom river water and to be about on the gravel 10 of 0.5m, be laid with the gravel 9 of particle diameter less (about 10 ~ 20cm) around gravel, form Gravels structure.The DO that on biofilm packing, microorganism utilizes root system of plant to provide carries out aerobic nitrification denitrogenation, and bottom microorganism carries out anaerobic denitrifying strengthened denitrification.
Synthetic matrix particle diameter about 2 ~ 5mm, spherical porous structure is made into by zeolite or gravel, carbon source is filled in hole, carbon source is discharged in operational process, low C/N in balance micropollutant water, is conducive to Microbial denitrogenation, simultaneously all right attached microbial of synthetic stromal surface, release in the matrix pores after carbon source and also can adhere to anaerobism or anoxic microorganism, thus in matrix, define nitration denitrification effect denitrogenation.
Whole device carries out transverse direction by the timber 12 of river sloping bank and fixedly bubbles through the water column, and multiple device can be connected and alternately be put in river, strengthen scavenging effect.
That is, the present invention is made up of Eco-Island bed body, matrix, emergent, bionic plant, biomembrane carrier and cobble block etc.Carry out purified in situ from water body top layer to water bottom is comprehensive, water environmental function is restored.It has concentrated multi-functional effect: 1. have plant and microorganism synergistic effect, hang in water body by biomembrane carrier by island body, plays the effect of microorganism colonization intensive treatment water body; 2. the filler matrix of water remediation can be carried out, degradation water surface pollution substance as plant vector by screening; 3. the landscape plant on the body of island, simultaneously bionic plant, increase landscape effect in winter; 4. cobble block lays bottom of river channel, plays fixing biomembrane carrier, changes water body fluidised form simultaneously, improves hydrobiological living environment, for hydrobiont provides habitat.
A kind of water body ecological repairing device of the present invention, can be used for micro-polluted river water, is particularly suitable for having hydrocoles to survive in water body, improve dissolved oxygen, reduce organic pollutant, nitrogen, phosphorus and SS, such that water is clear, water is alive, water is beautiful, keep excellent ecotope.
The present invention has following outstanding substantive distinguishing features:
(1) device frame is connected tooth by four unit frameworks by framework and is mutually connected and forms, and is convenient to transport and installs, adopting polystyrene or ethylene-vinyl acetate copolymer to make and bubble through the water column.
(2) plant on device is adsorbed by root system and absorbs the growth of Water, phosphorus recycling and photosynthesis, reduces water pollutant content, thus improves water quality, the O of root system of plant release simultaneously 2enter in water body, improve DO in water body, for microorganism on biofilm packing builds aerobic nitrification environment.
(3) the short raw hardy plant of the wetland of device being planted and emergent symbiosis, build near-nature forest plant-growth group, for the animal habitat such as birds, insect.
(4) device frame is laid artificially's matrix, this matrix is artificial synthetic zeolite or gravel (the i.e. combination of zeolite or gravel and carbon source, zeolite or gravel are made into spherical porous structure, carbon source is filled in hole, carbon source is corn cob, straw or trees and so on mainly, is made into Powdered being filled in zeolite or gravel hole.This synthetic matrix discharges carbon source in operational process, low C/N in balance micropollutant water, be conducive to Microbial denitrogenation, the all right attached microbial of synthetic stromal surface simultaneously, release in the matrix pores after carbon source and also can adhere to anaerobism or anoxic microorganism, thus in matrix, also form nitration denitrification denitrogenation subenvironment.
(5) what microbial film 3 D elastic filler adopted is that the snappiness long filament that polyethylene is made is spherical, be connected on biofilm on vertical connection cord, stretch into water bottom and be connected to gravel, play the effect of vertical stationary installation framework, after biofilm packing is vertically fixed simultaneously, increase flow resistance, be conducive to the aging microbial film washed away on filler, upgrade microbial film.Filler top microorganism utilizes the DO of water body and Plant emission, carries out aerobic reaction, and eliminate Organic Pollutants In Water, and carry out aerobic nitrification, on bottom to underwater fill material, microbial film is that anaerobism or anoxic microorganism carry out denitrification denitrogenation.
(6) gravel of water bottom and little Gravels, is that in water body, hydrocoles builds habitat, forms upgrading area, habitat.
Through to apply on the spot and test, micro-polluted river water ecological restoration device of the present invention can realize the comprehensive strengthened purification of water pollution object area, and monomer can realize water pollutant and cut down COD0.54t/a, ammonia nitrogen 0.04t/a.Effectively improve aquatic organism ecotope, for hydrobiont provides habitat, and Urban Segment of Lhasa hardening River Landscape effect can be improved, realize the ecotope reparation in river, have significant economic and social benefit.

Claims (8)

1. a micro-polluted river water ecological restoration device, comprise framework, waterplant, pin down rope and timber, it is characterized in that, in framework (5), the heart channel of Hang-Shaoyin bolt (16) is equipped with retaining plate (15), there is the mounting flange (17) for strengthening at the center on framework four limit, framework is provided with uniform permeable planting groove (18), plant in permeable planting groove and be implanted with emergent (1), the root system (6) of emergent stretches into the water surface (19) bottom through permeable planting groove (18), framework upper is equipped with the hypothallus (4) of synthetic, hypothallus (4) is equipped with layer of fine sand (3), fine sand is planted and is implanted with the short raw hardy plant (2) of the wetland opened alternate with emergent (1), framework lower part series has vertical connection cord (8), the upper series connection of vertical connection cord (8) is evenly equipped with biofilm packing (7), vertical connection cord (8) stretches into bottom in water body, be connected to the first gravel (10) being placed in water bottom upper fixing, the second gravel (9) that granularity is less than the first gravel is filled with around first gravel, the timber (12) of framework (5) on traction rope (11) He Hepo (13) is laterally fixed together, framework is made to bubble through the water column on (19), multiple unit prosthetic device is evenly serially connected, form prosthetic device row's group (20), the upper alternately dislocation in slope, river (13) on both sides, riverbank is cared for through traction rope (11) and is floated on prosthetic device row group (20) uniform on the river water surface, by artificial substratum layer, plant, fish, the physics of microorganism, chemistry, biological triple synergy, eliminate hardening river water body pollutent, improve water ecological setting, realize river water restoration of the ecosystem.
2. micro-polluted river water ecological restoration device according to claim 1, it is characterized in that, described framework (5) be by polystyrene or ethylene-vinyl acetate copolymer make identical four unit frameworks A, B, C, D through framework be connected that tooth (14) overlaps and form together square, long 5m, wide 2.5m, high 20cm, and four unit frameworks to be integrally fixed structure by the mounting flange (17) in the middle part of periphery and center retaining plate (15), bolt (16).
3. micro-polluted river water ecological restoration device according to claim 1, it is characterized in that, the spherical porous structure that the complex body that described hypothallus (4) is artificial synthetic zeolite or gravel or zeolite or gravel and carbon source is made, the meal made as the corn cob of carbon source, straw or trees is filled with, matrix thickness 2 ~ 5cm in hole.
4. micro-polluted river water ecological restoration device according to claim 1, is characterized in that, the laying depth of described fine sand is 1 ~ 2cm.
5. micro-polluted river water ecological restoration device according to claim 1, is characterized in that, described biofilm packing (7) is made square or circular for stereo-elastic light material polyethylene, and series connection is distributed on vertical connection cord (8).
6. micro-polluted river water ecological restoration device according to claim 1, is characterized in that, described the first gravel (10), the second gravel (9) form the Improvement of Ecological Environment plot structure of perching for water body Mesichthyes and hydrocoles.
7. micro-polluted river water ecological restoration device according to claim 1, is characterized in that, described emergent (1) is cattail, calamus, Canna generalis Bailey and Spiked Loosestrife.
8. micro-polluted river water ecological restoration device according to claim 1, is characterized in that, the short raw hardy plant of described wetland (2) is the short raw tuber of dwarf lilyturf, short raw crape myrtle, leaf of Hedge Bamboo and rye grass.
CN201510971589.4A 2015-12-22 2015-12-22 A kind of micro- polluted river water ecological restoration device Active CN105439289B (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106007173A (en) * 2016-05-30 2016-10-12 大连民族大学 Scattered household sewage and river water environment purifying system
CN106396121A (en) * 2016-12-07 2017-02-15 郑州大学 Ecological floating bed device for in-situ enhanced denitrification of micro-polluted river
CN106554087A (en) * 2017-01-05 2017-04-05 江苏龙腾工程设计股份有限公司 River water body biological and ecological cleaning treatment system and its processing method
CN107117715A (en) * 2017-03-03 2017-09-01 珠江水利委员会珠江水利科学研究院 Ecosystem restoration system after the desilting of lake storehouse
CN109205935A (en) * 2018-09-28 2019-01-15 上海泽耀环保科技有限公司 River discharge outlet sewage shuts off the artificial swamp of processing
CN113003731A (en) * 2021-03-12 2021-06-22 中国科学院水生生物研究所 Ecological -based aquatic organism habitat restoration method
CN113367060A (en) * 2021-06-15 2021-09-10 张红峰 River course purifies green planting system for hydraulic engineering

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CN201873574U (en) * 2010-11-23 2011-06-22 苏州天泽环境科学有限公司 Integrated type artificial ecological floating island module
KR101309593B1 (en) * 2013-05-06 2013-09-17 (주)에코원 Artificial plant island for preventing water bloom and purifying water
CN104671417A (en) * 2015-02-15 2015-06-03 河北省环境科学研究院 Novel combined bio-floating bed

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Publication number Priority date Publication date Assignee Title
CN201873574U (en) * 2010-11-23 2011-06-22 苏州天泽环境科学有限公司 Integrated type artificial ecological floating island module
CN102010068A (en) * 2011-01-13 2011-04-13 郑州大学 Double-layered composite artificial floating island
KR101309593B1 (en) * 2013-05-06 2013-09-17 (주)에코원 Artificial plant island for preventing water bloom and purifying water
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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106007173A (en) * 2016-05-30 2016-10-12 大连民族大学 Scattered household sewage and river water environment purifying system
CN106396121A (en) * 2016-12-07 2017-02-15 郑州大学 Ecological floating bed device for in-situ enhanced denitrification of micro-polluted river
CN106396121B (en) * 2016-12-07 2023-02-28 郑州大学 Micro-polluted river in-situ enhanced denitrification ecological floating bed device
CN106554087A (en) * 2017-01-05 2017-04-05 江苏龙腾工程设计股份有限公司 River water body biological and ecological cleaning treatment system and its processing method
CN107117715A (en) * 2017-03-03 2017-09-01 珠江水利委员会珠江水利科学研究院 Ecosystem restoration system after the desilting of lake storehouse
CN109205935A (en) * 2018-09-28 2019-01-15 上海泽耀环保科技有限公司 River discharge outlet sewage shuts off the artificial swamp of processing
CN113003731A (en) * 2021-03-12 2021-06-22 中国科学院水生生物研究所 Ecological -based aquatic organism habitat restoration method
CN113367060A (en) * 2021-06-15 2021-09-10 张红峰 River course purifies green planting system for hydraulic engineering

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CP02 Change in the address of a patent holder

Address after: 450001 Zhengzhou science and Technology Development Zone, Henan, No. 100 science Avenue

Patentee after: Zhengzhou University

Address before: 450001 science avenue of Zhengzhou high tech Development Zone, Zhengzhou, Henan Province, No.

Patentee before: Zhengzhou University