CN203360215U - Anti-clogging device for constructed wetlands - Google Patents
Anti-clogging device for constructed wetlands Download PDFInfo
- Publication number
- CN203360215U CN203360215U CN2013202603841U CN201320260384U CN203360215U CN 203360215 U CN203360215 U CN 203360215U CN 2013202603841 U CN2013202603841 U CN 2013202603841U CN 201320260384 U CN201320260384 U CN 201320260384U CN 203360215 U CN203360215 U CN 203360215U
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- China
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- unit
- foam sponge
- clogging device
- constructed wetland
- sewage
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/40—Protecting water resources
- Y02A20/402—River restoration
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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
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
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- Biological Treatment Of Waste Water (AREA)
Abstract
The utility model relates to an anti-clogging device for constructed wetlands. The anti-clogging device comprises two series connection units of a unit A and a unit B, wherein the unit A is a filter unit which is filled with a foam sponge, and the foam sponge is easy to detach and wash; and the unit B is a biochemical reinforcing unit which is filled with a foam sponge or biological stuffing, and a micro aeration pipe network is arranged at the bottom of the biochemical reinforcing unit. Pollution-resistant floating plant or emerged plant is planted on the surfaces of the two units and can perform interception or biodegradation on large-grained suspended sediment and organic detritus in the physical and biochemical aspects, so that load of sewage on the wetlands is reduced, the water quality purification function of the constructed wetlands are enhanced, and the problem of clogging due to long-time use of the constructed wetlands is solved.
Description
Technical field
The utility model relates to environment-friendly engineering and water-treatment technology field, is mainly used in river course and ecological restoration of lakes and urban waters landscape design field.
Background technology
Artificial swamp is a comprehensive ecosystem, intergrowth of species, material cycle regeneration principle in its application ecosystem, structure and orthofunction principle, promoting under the eucyclic prerequisite of Pollutants in Wastewater matter, give full play to the production potential of resource, prevent polluting again of environment, obtain the optimum efficiency of sewage disposal and resource utilization.In recent years, along with deepening continuously to artificial swamp sewage purification mechanism research, Artificial Wetland Techniques is progressively full-fledged, and artificial swamp has been widely used in the aspects such as treating landscape water body in ecological management, Industrial Wastewater Treatment and high-end residential community, Ecological Park and the high-grade hotel in pollution of area source control, city domestic sewage processing, rural domestic sewage treatment, city river view lake.
Artificial swamp has very complicated purification mechanism to the processing of sewage, it is generally acknowledged, Constructed Wetland Ecology System is to make sewage purification by the triple synergies of physics, chemistry and biochemical reaction.Wetland is removed the mechanism of pollutent, according to the difference of object being treated, roughly can be summarized as following several process: utilize aerobic respiration and anoxic, anaerobic effect to remove organism; Absorption and biotransformation denitrogenation by plant; The precipitating action of matrix and the solidification of microorganism are removed phosphoric; It is precipitation and the adsorption that utilizes matrix that heavy metal is removed.
Water body, matrix, aquatic hygrophyte and microorganism are 4 fundamentals that form artificial marsh sewage treatment system.
Although artificial swamp is having utilization widely, the problem that still exists some to solve in engineering practice aspect sewage point-source pollution and pollution of area source processing.
Along with the processing of drowned flow artificial wet land to sewage, accumulated too much insoluble organism in wetland, can cause the wetland bad hydraulic permeability, the latch up phenomenon that the Pollutant Treatment effect is descended.In addition, organism more in water inlet also can cause microorganism hypertrophy in wetland, and microorganism and secretory product thereof cause Wetland clogging.
For solving the Wetland clogging problem, lot of domestic and international investigator has obtained certain achievement, use the diafiltration dam in the utility model patent " a kind of anti-blockage method of artificial swamp " of the application such as He Jian, and be provided with in the inner the filtration plate that textile materials is made, by biologic packing material filtering layer, the impervious end, tectum, formed, can solve the blockage problem of artificial wet land system to a certain extent, but also there is certain working life in the diafiltration dam, if through the long-time problems such as also there will be obstruction of not cleaning of using.
The utility model content
The utility model provides a kind of effective Anti-clogging device for constructed wetland, described preventing clogging up device mainly contains two units in series and realizes, continuous action by two unit, can physics and biochemical aspect the sewage before entering wetland is carried out to pre-treatment, to oarse-grained suspension bed sediment with organic debris is held back and biological degradation, alleviate the load of sewage to wetland, thereby promote the purification function of wetland to water quality.
To achieve these goals, wherein a kind of technical scheme of the present utility model is as follows:
Anti-clogging device for constructed wetland is realized that by two units in series the A unit is filtering unit, interior filled and process sponge, quick detachable flushing; The B unit is the biochemical unit of strengthening, interior filled and process sponge or conventional biologic packing material, and arrange micro-aeration pipe network in bottom, for the aerobic microbiological on biologic packing material provides more oxygen.The B unit of can directly connecting, A unit, under this state, the A unit connects water inlet portion, can be also B units in series A unit, and under this state, the B unit connects water inlet portion.
Foam sponge can monoblock, also can be broken for particulate state, or loads the particle foam sponge with mesh bag, can take out easily by its cleaning regeneration.The foam sponge material can be polyurethane material, polyethers or polyvinyl alcohol etc.A, B unit material used can be different, and physical dimension is different with pore size.
Water inlet portion comprises the water distributor of strengthening unit in order to sewage is evenly entered to follow-up filtering unit/biology, and water distributor is arranged on the bottom of suction culvert.
Two cell surface plantation resistance to soiling pleuston or emergents.
Compared with prior art, there is following advantage in the utility model:
At first, this way can be aspect physics and biochemical two to oarse-grained suspension bed sediment with organic debris is held back and biological degradation, alleviate the load of sewage to wetland, thereby promote the purification function of artificial swamp to water quality, solve the blockage problem that artificial swamp occurs because of life-time service.
Secondly, the size of A, two unit of B is mainly determined according to the ratio of size, wetland carrying capacity and suspended particle and the organic pollutant of the pollution level of sewage, wetland.The order of A, two unit of B also can be inverted.
Again, the polyurethane foam ball, special polyurethane foam material has a lot of advantages, such as, mesh bag can take out easily and rinse, and work-ing life is long etc., makes this device very convenient in use, and cost is low.
Another kind of technical scheme of the present utility model is: Anti-clogging device for constructed wetland only comprises the A unit.Particularly in the situation that organic concentration is not high.
The accompanying drawing explanation
Fig. 1 is a wherein embodiment schematic diagram of the present utility model.
Fig. 2 is the fragmentary detail view of this embodiment of the present utility model.
Embodiment
For technique means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
Embodiment mono-
Referring to Fig. 1, a kind of effective Anti-clogging device for constructed wetland, mainly comprise A, two unit of B, the size of A, two unit of B is mainly determined according to the ratio of size, wetland carrying capacity and suspended particle and the organic pollutant of the pollution level of sewage, wetland.At first sewage enter into bottom water distributor 1 from the outside, the Main Function of water distributor is that sewage is evenly entered to the A unit, the effect of A unit is mainly to hold back the macrobead inorganics in sewage by physical action, the polyurethane foam ball 3 of putting by bag becomes full is filled out in inside, its main body that is the A unit, polyurethane foam ball 7 and mesh bag 8, consist of, maximum advantage is can fast the macrobead inorganics be held back and can take out cleaning by bag.Pleuston 2 is also planted in the A unit, pleuston is mainly resistance to soiling stronger great Piao and Herba Eichhorniae, and major function is auxiliary main body 3, and its flourishing root system can not only the settling suspension particle, simultaneously also can the absorption portion pollutent, its roomy blade can reduce the injury of direct sunlight to the A unit.The sewage of holding back by the A unit flow to top, B unit by the overflow groove of bottom, the effect of B unit is by the organic pollutant removal in sewage by microbial film, inner filling out equally put the polyurethane foam ball 7 of being filled by mesh bag 8, described 7 is the polyurethane material through hydrophilic modifying, due to its hydrophilicity, can accelerate biomembranous formation.The B unit bottom is furnished with aeration webmaster 4, described aeration webmaster 4 the B unit carried out to aeration promote the aerobic microbiological set on polyurethane foam ball 7 intermittently, the same kind in B unit has the pleuston 2 of well developed root system, and described pleuston 2 is mainly the Herba azollae imbricatae with microorganisms symbiosis and well developed root system.Organic sewage overflow groove outflow from rear after microbiological deterioration by the B unit enters collecting gutter, and the effect of described collecting gutter is mainly that pretreated sewage is entered into to artificial wet land system by named pipe 6.
The utility model has the advantage of:
At first, because the advantage of polyurethane foam can be brought following advantage to whole device:
A1, polyurethane foam ball, cost is low, material price is low, places for a long time and also can not be out of shape in water or rot to cause secondary pollution, and can effectively cut down macrobead inorganic substance and the organic pollutant in sewage, plays the blockage problem that prevents that wetland from causing for a long time.
A2, polyurethane foam ball, for the polyurethane material through hydrophilic modifying, can be accelerated the biomembranous formation of material surface.
A2, the mesh bag that polyurethane foam ball (heavy water sponge ball) is housed can take out easily and rinse, and work-ing life is longer.
Secondly, two processing units, can determine its size according to the ratio of size, wetland carrying capacity and suspended particle and the organic pollutant of the pollution level of sewage, wetland.This way can be aspect physics and biochemical two to oarse-grained suspension bed sediment with organic debris is held back and biological degradation, alleviate the load of sewage to wetland, thereby promote the purification function of artificial swamp to water quality, solve the blockage problem that artificial swamp occurs because of life-time service.
Embodiment bis-
With embodiment mono-, compare, another kind of technical scheme of the present utility model is: Anti-clogging device for constructed wetland only comprises the A unit.Particularly in the situation that organic concentration is not high.
Such as, foam sponge part can adopt monoblock, particulate state, with mesh bag, load the particle foam sponge interior one kind of.Optimally, foam sponge partly adopts the polyurethane foam sponge.
Filtering unit is different with the stopping composition material of the foam sponge part that biological reinforcement unit adopts, and physical dimension is different with pore size.Stronger pleuston or the emergent of plantation resistance to soiling on filtering unit.
Claims (10)
1. an Anti-clogging device for constructed wetland, it is characterized in that, comprise the filtering unit for hold back sewage macrobead inorganics by physical action and strengthen unit for the biology of the organic pollutant removal by sewage, filtering unit is connected water inlet portion with a biological wherein unit of strengthening unit, after another unit connects described this unit, connect the part of catchmenting, the foam sponge part is set in described filtering unit, the biological reinforcement in unit arranges foam sponge partly or conventional biologic packing material.
2. Anti-clogging device for constructed wetland as claimed in claim 1, is characterized in that, foam sponge partly adopts and comprises monoblock, particulate state, with mesh bag, loads the one kind of of particle foam sponge.
3. Anti-clogging device for constructed wetland as claimed in claim 2, is characterized in that, foam sponge partly adopts the polyurethane foam sponge.
4. Anti-clogging device for constructed wetland as claimed in claim 2, is characterized in that, filtering unit is different with the stopping composition material of the foam sponge part that biological reinforcement unit adopts, and physical dimension is different with pore size.
5. according to the described Anti-clogging device for constructed wetland of right 1, it is characterized in that stronger pleuston or the emergent of plantation resistance to soiling on filtering unit, biological reinforcement one of them unit, unit.
6. according to the described Anti-clogging device for constructed wetland of right 1, it is characterized in that, the biological unit bottom of strengthening is laid micro-aeration pipe network of using the aerobic microbiological of thinking on foam sponge that more oxygen is provided.
7. Anti-clogging device for constructed wetland as claimed in claim 1, is characterized in that, water inlet portion comprises the water distributor of strengthening unit in order to sewage is evenly entered to follow-up filtering unit/biology, and water distributor is arranged on the bottom of suction culvert.
8. an effective Anti-clogging device for constructed wetland, it is characterized in that, comprise for hold back the filtering unit of sewage macrobead inorganics by physical action, filtering unit one end connects water inlet portion, the other end connects the part of catchmenting, and the foam sponge part is set in described filtering unit.
9. Anti-clogging device for constructed wetland as claimed in claim 8, is characterized in that, foam sponge partly comprises monoblock, particulate state, with mesh bag, loads the one kind of of particle foam sponge.
10. Anti-clogging device for constructed wetland as claimed in claim 8, is characterized in that, foam sponge partly adopts the polyurethane foam sponge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202603841U CN203360215U (en) | 2013-05-14 | 2013-05-14 | Anti-clogging device for constructed wetlands |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202603841U CN203360215U (en) | 2013-05-14 | 2013-05-14 | Anti-clogging device for constructed wetlands |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203360215U true CN203360215U (en) | 2013-12-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202603841U Expired - Lifetime CN203360215U (en) | 2013-05-14 | 2013-05-14 | Anti-clogging device for constructed wetlands |
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| CN (1) | CN203360215U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104891641A (en) * | 2015-06-15 | 2015-09-09 | 武汉中科水生环境工程股份有限公司 | Vegetation bed aeration tank sewage treatment device |
-
2013
- 2013-05-14 CN CN2013202603841U patent/CN203360215U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104891641A (en) * | 2015-06-15 | 2015-09-09 | 武汉中科水生环境工程股份有限公司 | Vegetation bed aeration tank sewage treatment device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170523 Address after: 201502, 80 tower, three village, tower town, Shanghai, Jinshan District Patentee after: SHANGHAI TONGRUI ENVIRONMENTAL PROTECTION ENGINEERING CO.,LTD. Address before: 200433, Shanghai, Shanghai, Yangpu District No. 10009, room 335 Patentee before: SHANGHAI TONGRUI ENVIRONMENTAL PROTECTION SCI. & TECH. Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131225 |
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| CX01 | Expiry of patent term |