CN206511996U - Biological cleaning dam - Google Patents
Biological cleaning dam Download PDFInfo
- Publication number
- CN206511996U CN206511996U CN201621035633.7U CN201621035633U CN206511996U CN 206511996 U CN206511996 U CN 206511996U CN 201621035633 U CN201621035633 U CN 201621035633U CN 206511996 U CN206511996 U CN 206511996U
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- Prior art keywords
- biomembrane
- biological
- gabion
- aggregate
- water
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- 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.)
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Biological Treatment Of Waste Water (AREA)
Abstract
The utility model is related to a kind of biological cleaning dam, including the dam body being horizontally installed in the lake of river, the gabion filter layer for being stacked and being constituted by gabion units is equipped with land side in the side that meets water of dam body, the biological aggregate of filling in gabion units, the inner side of gabion filter layer is provided with the filtrate packed layer being made up of the biological aggregate filling, and biological aggregate includes building waste aggregate and the biomembrane formed by microbial bacterial agent adhered on the outside of it.Microorganism is fabricated to biomembrane and is attached to carrier surface by the utility model, the vertical river direction arrangement of microorganism carrier will be carried, one of check dam is formed in river course, when river flows through check dam layer, microorganism starts effect in biomembrane, purification decontamination is carried out to river, the effective ammonia nitrogen and organic pollution removed in water body, strengthen the self-purification capacity in river, the environment of self-purification can be provided for the water body in river course, or aquatic animal provides necessary habitat, body eutrophication is prevented, the landscape effect in river course is improved.
Description
Technical field
The utility model is related to hoisting connecting piece, and in particular to a kind of biological cleaning water simple in construction, low manufacture cost
Dam.
Background technology
With the fast development of national economy, sewage collecting and treatment facility are seriously delayed, cause large amount of sewage directly to enter
River, major part river is as black and odorous water at present, and water standard can not meet the requirement of section examination, therefore need to take measures
Administered.
Existing frequently-used river water cleaning treatment measures mainly have pipeline to cut dirt, disperse to build Miniature Sewage Farm and magnetic point
From interim pollution treatment measure these three.But still suffered from existing three of the above sewage water treatment method pipeline cut dirty pipe network investment compared with
Greatly, city or the intensive region removal amount of other buildings are larger, need to typically implement with regional planning, realize planning cycle compared with
The deficiency such as long.Scattered treating stations of building have the disadvantage that investment and operational and administrative expenses are larger, and occupation of land problem is also not easily solved.Magneto separate
Technology is only capable of removing the insoluble pollutant of a part, and the clearance of ammonia nitrogen and total phosphorus is extremely low, and effluent quality remains as bad V classes water
Matter, much can not meet the water quality requirement of examination, and easily produces substantial amounts of chemical sludge and cause secondary pollution to environment.
Therefore the characteristics of how making full use of river course, a kind of construction cost of research and development and operating cost are low, it is simple to implement,
The river lake sewage purification system for being adapted to urban rivers and lakes use and no pollution is very important.
Utility model content
The purpose of this utility model is to provide a kind of biological cleaning dam, with construction cost and operating cost it is low, decontamination
The biological cleaning dam for the advantages of effect is substantially, beneficial microbe growth and breeding is rapid.
The purpose of this utility model is to be achieved through the following technical solutions：
A kind of biological cleaning dam, including the dam body being horizontally installed in the lake of river, in meet water side and the backwater of the dam body
Side is equipped with the biological aggregate of filling in the gabion filter layer for being stacked and being constituted by gabion units, the gabion units, the gabion mistake
The inner side of filtering layer is provided with the filtrate packed layer being made up of the biological aggregate filling, and the biological aggregate includes building waste aggregate
And the biomembrane formed by microbial bacterial agent adhered on the outside of it.
In preferred embodiments, gabion of the both sides of the dam body provided with met water described in connection side and land side is filtered
The articulamentum of layer, the articulamentum is stacked by the gabion units and constituted.
In preferred embodiments, the bottom of the dam body is provided with the basal layer being laid on ground, the basal layer
It is assemblied to form by gabion units.
In preferred embodiments, the shape of cross section of the gabion filter layer is in rectangle, trapezoidal or triangle
Any one.
In preferred embodiments, some gabion units mutually stacked, institute are provided with the filtrate packed layer
State filtrate packed layer and be fixedly connected with the gabion filter layer by gabion units.
In preferred embodiments, the biomembrane includes at least one microorganism life that can remove Organic substance in water
Thing film, it is described can remove Organic substance in water microbial biofilm be：
The filar structure bacterial biof iotalms such as Sphaerotilus biomembrane, Beggiatoa biomembrane；
The photosynthetic bacteria biomembranes such as Rhodopseudomonas biomembrane, Rhodospirillum biomembrane；
Saccharomycete biomembrane, mould biomembrane, Mucor biomembrane, the fungal organism film such as mould biomembrane；
The metazoa biomembranes such as wheel animalcule biomembrane, nematode biomembrane；
The biology enzyme biomembranes such as cellulase biomembrane, protease biological film, amylase biomembrane；And,
Bacillus biomembrane.
In preferred embodiments, the biomembrane includes nitrobacteria biomembrane, proteus biomembrane, false unit cell
Bacterium biomembrane etc. is at least one can to remove the microbial biofilm of nitrogen in water removal, the microorganism biological for removing nitrogen in water removal
Film is attached to the appearance of building waste aggregate, obtains that the biological aggregate of nitrogen in water removal can be removed.
In preferred embodiments, the biomembrane includes acinetobacter calcoaceticus biomembrane, pseudomonas biological film, gas unit cell
Bacterium biomembrane etc. is at least one can to remove the microbial biofilm of phosphorus element in water removal by suction type, described to go phosphorus element in water removal
Microbial biofilm be attached to the appearance of building waste aggregate, obtain that the biological aggregate of phosphorus element in water removal can be removed.
In preferred embodiments, the biomembrane includes silk bacillus biomembrane, many Yeasts biomembranes, taken off
Sulphur vibrios biomembrane etc. is at least one can to remove the microbial biofilm that underwater gold belongs to element, the removal by suction type
The microbial biofilm that underwater gold belongs to element is attached to the appearance of building waste aggregate, obtains that underwater gold can be removed and belongs to element
Biological aggregate.
In preferred embodiments, the building waste aggregate includes rubble, block stone, dust, circle gravel, quartz sand, work
Property charcoal, haydite, volcanic rock, manganese sand, sponge iron, anthracite, cobblestone, fibrous nodules, diatomite, cellular glass, zeolite, new brick,
At least one of novel concrete, middle sand, coarse sand and discarded building waste, the building waste aggregate is by sorting, broken, sieve
The particle size range obtained after point is 1-80mm nutty structure.
The beneficial effects of the utility model are：
Microorganism is fabricated to biomembrane and is attached to carrier surface by the utility model, will be carried microorganism carrier and is hung down
Straight river direction arrangement, forms one of check dam in river course, when river flows through check dam layer, and microorganism starts in biomembrane
Effect, carries out purification decontamination to river, the effective ammonia nitrogen and organic pollution removed in water body, enhancing river from net energy
Power, can provide the environment of self-purification for the water body in river course, or aquatic animal provides necessary habitat, prevents water
Body eutrophication, improves the landscape effect in river course.
There is the utility model the building waste aggregate surface of good adsorption effect to adhere to floor height effect purifying water micrcxDrganism, greatly
The big contact for improving biomembrane and material in water, the removal effect such as organic matter, nitrogen, phosphorus element is good, makes the water quality of water outlet good, can
To stably reach surface water IV class standards, II class water quality standards are partly reached, whole sewage treatment process does not produce discarded, used heat,
Low-carbon environment-friendly, is controlled by the flow velocity to current and residence time, is increased the oxygen-enriched effect of air of river, is microorganism
Fully growth provides advantage, and this technology is obvious to the purification scavenging effect of river sewage, utilizes microbial cleaning processing side
Formula, will not cause secondary pollution to environment.
Brief description of the drawings
The utility model is described in further detail below according to accompanying drawing.
Fig. 1 is the overlooking structure figure of the biological cleaning dam described in the utility model embodiment 1；
Fig. 2 is the overlooking structure figure of the biological cleaning dam described in the utility model embodiment 2；
Fig. 3 is the cut-away view of the biological cleaning dam described in the utility model embodiment 3；
Fig. 4 is the cut-away view of the biological cleaning dam described in the utility model embodiment 3, wherein gabion filter layer
Cross section is trapezoidal or triangular form；
Fig. 5 is the cut-away view of the biological cleaning dam described in the utility model embodiment 4；
Fig. 6 is the structural representation of suspension ball described in the utility model embodiment.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that retouched
The embodiment stated is a part of embodiment of the utility model, rather than whole embodiments.Generally here described in accompanying drawing and
The component of the utility model embodiment shown can be arranged and designed with a variety of configurations.Therefore, below to attached
The detailed description of the embodiment of the present utility model provided in figure is not intended to limit claimed scope of the present utility model,
But it is merely representative of selected embodiment of the present utility model.Based on the embodiment in the utility model, ordinary skill people
The every other embodiment that member is obtained under the premise of creative work is not made, belongs to the model of the utility model protection
Enclose.
Embodiment of the present utility model is described below in detail, the example of embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the utility model, and it is not intended that to limit of the present utility model
System.
The utility model is further described with specific embodiment below with reference to accompanying drawings.
Embodiment 1
As shown in figure 1, a kind of biological cleaning dam of the utility model embodiment, including the dam being horizontally installed in the lake of river
Body, is equipped with the gabion filter layer for being stacked and being constituted by gabion units, gabion units with land side in the side that meets water of dam body and fills
Fixed between biological aggregate, gabion units by steel wire bundle, the gabion that the middle part of dam body is located at meet water side and land side is filtered
(i.e. the inner side of gabion filter layer) is provided between layer fills the filtrate packed layer 2 constituted, the height of filtrate packed layer 2 by biological aggregate
Degree is less than gabion filter layer.
Embodiment 2
As shown in Fig. 2 embodiment 2 is improved on the basis of embodiment 1, the both sides of dam body meet water provided with connection
The articulamentum 3 of the gabion filter layer of side and land side, articulamentum 3 is stacked by gabion units to be constituted, between articulamentum 3 and riverbank 7
Provided with waterproof geotextiles 4, for reinforcing the gabion filter layer of face water side and land side, and increase inside and outside gabion filter layer
Anti- bang, i.e., the impact of anti-external water and the extruding of internal filtrate packed layer 2, while increasing gabion packed layer and riverbank 7
Contact area, makes the connection between gabion packed layer and riverbank 7 more consolidate, articulamentum 3 is stacked by gabion units to be constituted, therefore
Articulamentum 3 can carry out biological cleaning to water.
Embodiment 3
As shown in figure 3, embodiment 3 is improved on the basis of embodiment 1 or embodiment 2, the bottom of dam body is set
There is the basal layer 5 being laid on ground, basal layer 5 is assemblied to form by gabion units, tightened between gabion units by steel wire, use
In reinforcing face water side and the gabion filter layer of land side, and increase the steadiness of gabion filter layer bottom, while basal layer 5 is by stone
Cage unit spliced is constituted, and can carry out biological cleaning to river lake water.
As shown in figure 4, the shape of cross section of gabion filter layer is any one in rectangle, trapezoidal or triangle, wherein
Preferably trapezoidal or triangle, the face water side and land side for making gabion filter layer are inclined plane, can lay down river positive
Impulsive force, realize dam body can directly flood discharge, be conducive to reducing investment outlay.
Embodiment 4
As shown in figure 5, being improved on embodiment 1-3 basis, for the big river lake of current scour amount, to biology
The impulsive force for purifying dykes and dams is just big, it is therefore desirable to firmer dam body, will mutually be stacked provided with some in filtrate packed layer
The biological aggregate of filling in gabion units, gabion units, filtrate packed layer 2 is solid by gabion units and the gabion filter layer 1 of both sides
Fixed connection, improves the steady type of dam body, can withstand washing away for mass-flow.
The emergent aquactic plant 6 of the well developed root systems such as top plantation calamus, the Lythrum salicaria of gabion filter layer and/or filtrate packed layer 2,
Increase clean-up effect and landscape effect, transmission and release using root system of plant to oxygen, make to present successively in the environment around it
Go out aerobic, anoxic and anaerobic state, make full use of high-efficiency aerobic microorganism, anaerobe, dephosphorization bacterial, nitrite bacteria and nitre
Change the effect purification sewage of the microorganisms such as bacterium, it is ensured that nitrogen, phosphorus in river can not only be used as battalion by plant and microorganism
Form point and directly absorb, but also can by nitrification, denitrification and microorganism to the excess accumulation effect of phosphorus by its
Removed from water body.
Biological aggregate includes building waste aggregate and the biomembrane formed by microbial bacterial agent adhered on the outside of it, microorganism
Microbial inoculum is except organic matter quasi-microorganism microbial inoculum, denitrogenates at least one of quasi-microorganism microbial inoculum, dephosphorization quasi-microorganism microbial inoculum, is being built
The biological reagent that is added on building refuse aggregate simultaneously forms biomembrane, passes through between the microorganism and building waste aggregate in biomembrane
Microorganism is fixed on building waste aggregate by the modes such as physical absorption, ions binding, covalent bond and biologic specificity absorption
Bred.
Microbial bacterial agent include it is at least one can remove the microorganism of Organic substance in water, Organic substance in water can be removed
Microorganism building waste aggregate appearance formation remove organic matter biomembrane, obtain with water removal in organics function biology
Aggregate, the microorganism that can remove Organic substance in water is：
The filar structure bacterium such as Sphaerotilus, Beggiatoa, the surface for being attached to building waste aggregate forms football shirt
The filar structure bacterial biof iotalms such as Pseudomonas biomembrane, Beggiatoa biomembrane；
The photosynthetic bacterias such as Rhodopseudomonas, Rhodospirillum, the surface for being attached to building waste aggregate forms red false unit cell
The photosynthetic bacteria biomembranes such as Pseudomonas biomembrane, Rhodospirillum biomembrane；
Saccharomycete, mould, Mucor, the fungi such as mould, be attached to building waste aggregate surface formed saccharomycete biomembrane,
Mould biomembrane, Mucor biomembrane, the fungal organism film such as mould biomembrane；
The metazoas such as wheel animalcule, nematode, the surface for being attached to building waste aggregate forms wheel animalcule biomembrane, nematode biomembrane
Deng metazoa biomembrane；
The biology enzymes such as cellulase, protease, amylase, the surface for being attached to building waste aggregate forms cellulase life
The biology enzyme biomembranes such as thing film, protease biological film, amylase biomembrane；
Bacillus etc. can remove the microorganism of Organic substance in water, and the surface for being attached to building waste aggregate forms bud
Spore Bacillus biomembrane etc. can remove the microbial biofilm of Organic substance in water.
Immobilized microorganism has stronger disposal ability to organic matter, wherein insoluble organic matter passes through precipitation and biological mistake
Filter can dam to get off from waste water quickly, be used by microorganism；Dissolved organic matter then can by the absorption of aggregate and
The metabolic process of microorganism is removed, and it by heterotroph microorganism conversion is micro- life that the final home to return to of most of organic matter, which is, in waste water
Thing cell and CO2 and H2O.
Microbial bacterial agent includes that nitrobacteria, proteus, pseudomonad etc. are at least one can to remove nitrogen in water removal
Microorganism, is attached to the surface of building waste aggregate, forms nitrobacteria biomembrane, proteus biomembrane, pseudomonad life
Thing film etc. can remove the biological aggregate for removing nitrogen biomembrane, obtaining nitrogen in can going to remove water of nitrogen in water removal.
Microbial bacterial agent includes at least one such as acinetobacter calcoaceticus, pseudomonad, Aeromonas can be by suction type
The microorganism of phosphorus element in water removal is gone, the surface of building waste aggregate is attached to, acinetobacter calcoaceticus biomembrane, pseudomonas biological is formed
What film, Aeromonas biomembrane etc. can go phosphorus element in water removal by suction type removes phosphorus element biomembrane, obtains going water removal
The biological aggregate of middle phosphorus element.
Microbial bacterial agent includes at least one such as silk bacillus, many Yeasts, desulfovibrio can be by absorption side
Formula removes the microorganism that underwater gold belongs to element, is attached on building waste aggregate and forms silk bacillus biomembrane, many primary yeasts
Bacterium biomembrane, desulfovibrio biomembrane etc. can remove the microbial biofilm that underwater gold belongs to element by suction type, obtain
The biological aggregate that underwater gold belongs to element can be removed.
Building waste aggregate includes rubble, block stone, dust, circle gravel, quartz sand, activated carbon, haydite, volcanic rock, manganese sand, sea
Continuous iron, anthracite, cobblestone, fibrous nodules, diatomite, cellular glass, zeolite, new brick, novel concrete, middle sand, coarse sand and discarded
At least one of building waste, building waste aggregate obtains that particle size range is 1-80mm after sorting, broken, screening
Granular texture.
As shown in fig. 6, biological aggregate can be filled in suspension ball, then suspension ball is filled in gabion units, it is main to rise
The effect of biofilm carrier, while the effect of retention suspension is had concurrently, with biological attachment power is strong, specific surface area is big, porosity
High, chemistry and Biostatic performance are good, durable in use, not dissolution nuisance, the advantage for not causing secondary pollution.
Finally it should be noted that：Each embodiment above is merely to illustrate the technical solution of the utility model, rather than to it
Limitation；Although the utility model is described in detail with reference to the foregoing embodiments, one of ordinary skill in the art should
Understand：It can still modify to the technical scheme described in previous embodiment, or to which part or whole technologies
Feature carries out equivalent substitution；And these modifications or substitutions, the essence of appropriate technical solution is departed from each reality of the utility model
Apply the scope of a technical scheme.
Claims (10)
1. a kind of biological cleaning dam, including the dam body being horizontally installed in the lake of river, it is characterised in that：In meeting water for the dam body
Side is equipped with the biological aggregate of filling in the gabion filter layer for being stacked and being constituted by gabion units, the gabion units, institute with land side
The inner side for stating gabion filter layer is provided with the filtrate packed layer being made up of the biological aggregate filling, and the biological aggregate includes building
Garbage aggregate and the biomembrane formed by microbial bacterial agent adhered on the outside of it.
2. biological cleaning dam according to claim 1, it is characterised in that：The both sides of the dam body are provided with described in connection and met
The articulamentum of the gabion filter layer of water side and land side, the articulamentum is stacked by the gabion units and constituted.
3. biological cleaning dam according to claim 1, it is characterised in that：The bottom of the dam body is provided with and is laid in ground
On basal layer, the basal layer is assemblied to form by gabion units.
4. biological cleaning dam according to claim 1, it is characterised in that：The shape of cross section of the gabion filter layer is
Any one in rectangle, trapezoidal or triangle.
5. biological cleaning dam according to claim 1, it is characterised in that：Provided with some mutual in the filtrate packed layer
The gabion units stacked, the filtrate packed layer is fixedly connected with the gabion filter layer by gabion units.
6. the biological cleaning dam according to any one in claim 1-5, it is characterised in that the biomembrane is included extremely
It is few it is a kind of can remove the microbial biofilm of Organic substance in water, it is described to remove the microbial biofilm of Organic substance in water
For：
The filar structure bacterial biof iotalms such as Sphaerotilus biomembrane, Beggiatoa biomembrane；
The photosynthetic bacteria biomembranes such as Rhodopseudomonas biomembrane, Rhodospirillum biomembrane；
Saccharomycete biomembrane, mould biomembrane, Mucor biomembrane, the fungal organism film such as mould biomembrane；
The metazoa biomembranes such as wheel animalcule biomembrane, nematode biomembrane；
The biology enzyme biomembranes such as cellulase biomembrane, protease biological film, amylase biomembrane；And,
Bacillus biomembrane.
7. the biological cleaning dam according to any one in claim 1-5, it is characterised in that：The biomembrane includes nitre
Change bacterial biof iotalm, proteus biomembrane, pseudomonas biological film etc. are at least one can to go the microorganism of nitrogen in water removal
Biomembrane, the appearance for going the microbial biofilm of nitrogen in water removal to be attached to building waste aggregate obtains that water removal can be gone
The biological aggregate of middle nitrogen.
8. the biological cleaning dam according to any one in claim 1-5, it is characterised in that：The biomembrane is included not
At least one such as lever bacterium biomembrane, pseudomonas biological film, Aeromonas biomembrane can be gone in water removal by suction type
The microbial biofilm of phosphorus element, the appearance for going the microbial biofilm of phosphorus element in water removal to be attached to building waste aggregate, is obtained
To can go water removal in phosphorus element biological aggregate.
9. the biological cleaning dam according to any one in claim 1-5, it is characterised in that：The biomembrane includes silk
At least one such as bacillus biomembrane, many Yeasts biomembranes, desulfovibrio biomembrane can be removed by suction type
Underwater gold belongs to the microbial biofilm of element, and the microbial biofilm that the removal underwater gold belongs to element is attached to building waste bone
The appearance of material, obtains that the biological aggregate that underwater gold belongs to element can be removed.
10. the biological cleaning dam according to any one in claim 1-5, it is characterised in that：The building waste bone
Material includes rubble, block stone, dust, circle gravel, quartz sand, activated carbon, haydite, volcanic rock, manganese sand, sponge iron, anthracite, goose ovum
In stone, fibrous nodules, diatomite, cellular glass, zeolite, new brick, novel concrete, middle sand, coarse sand and discarded building waste at least
One kind, the nutty structure that the particle size range that the building waste aggregate is obtained after sorting, broken, screening is 1-80mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621035633.7U CN206511996U (en) | 2016-08-31 | 2016-08-31 | Biological cleaning dam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621035633.7U CN206511996U (en) | 2016-08-31 | 2016-08-31 | Biological cleaning dam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206511996U true CN206511996U (en) | 2017-09-22 |
Family
ID=59860895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621035633.7U Expired - Fee Related CN206511996U (en) | 2016-08-31 | 2016-08-31 | Biological cleaning dam |
Country Status (1)
| Country | Link |
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| CN (1) | CN206511996U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106430617A (en) * | 2016-08-31 | 2017-02-22 | 鑫源鑫（北京）水利工程有限公司 | Biological purification dam |
| CN109650654A (en) * | 2018-12-25 | 2019-04-19 | 花王生态工程股份有限公司 | A kind of river channel ecology harnessing project |
-
2016
- 2016-08-31 CN CN201621035633.7U patent/CN206511996U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106430617A (en) * | 2016-08-31 | 2017-02-22 | 鑫源鑫（北京）水利工程有限公司 | Biological purification dam |
| CN109650654A (en) * | 2018-12-25 | 2019-04-19 | 花王生态工程股份有限公司 | A kind of river channel ecology harnessing project |
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Address after: Room 1713, floor 4, building 2, District 4, Sanshan Xinxinjiayuan, Konggang street, Shunyi District, Beijing Patentee after: Xinyuanxin (Beijing) Environmental Protection Engineering Co.,Ltd. Address before: Two 101399 street Beijing city Shunyi District town north of Nanfaxin Jinguan No. three hospital No. two building 7 layer 702 Patentee before: XINYUANXIN (BEIJING) WATER CONSERVANCY PROJECT Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170922 Termination date: 20210831 |