CN103508639A - Pond bottom coupling composite type constructed wetland water purification system with small occupied area - Google Patents
Pond bottom coupling composite type constructed wetland water purification system with small occupied area Download PDFInfo
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- CN103508639A CN103508639A CN201310482785.6A CN201310482785A CN103508639A CN 103508639 A CN103508639 A CN 103508639A CN 201310482785 A CN201310482785 A CN 201310482785A CN 103508639 A CN103508639 A CN 103508639A
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Abstract
The invention relates to a pond bottom coupling composite type constructed wetland water purification system with a small occupied area. The water purification system comprises an efficient upstream flow alga pond, a submerged plant pond and a horizontal subsurface flow wet land, wherein the efficient upstream flow alga pond, the submerged plant pond and the horizontal subsurface flow wet land are circular constructions which are nested with one another, that is, the efficient upstream flow alga pond, the submerged plant pond and the horizontal subsurface flow wet land are arranged from inside to outside in sequence; porous water distribution tubes for feeding sewage are arranged at the bottom of the efficient upstream flow alga pond; the bottom of the submerged plant pond is filled with a thin layer medium, and submerged plants are planted at the bottom of the submerged plant pond; emergent aquatic plants are planted on the horizontal subsurface flow wet land. The characteristic that circular constructions occupy small lands is fully used to construct the the composite water purification system for linkage of pond bottoms, various pollutants can be effectively eliminated, the sewage purification efficiency is improved, and a novel sewage treatment system which is efficient, stable and energy-saving is formed.
Description
Technical field
The invention belongs to compound water cleaning systems field, particularly a kind of floor space little pool bed is coupled composite type artificial wetland water cleaning systems.
Background technology
In the water environment pollution situation facing in current China, multiple pollutant depositing often.Wherein, more outstanding water pollutant is nitrogen, phosphorus, easily biodegradable organics, heavy metal, suspended substance etc.Along with the propelling of Ecological Civilization Construction, in water surrounding field in the urgent need to effectively removing the water surrounding recovery technique of multiple pollutant simultaneously.Artificial swamp (CWs), as sewage disposal and the water surrounding ecological reestablishment of a kind of low cost, ecology, is widely used in processing various wastewater and water surrounding restoration of the ecosystem in the world.Removal and the conversion of pollutent in CWs combines physics, chemistry and biology process, comprise that biochemical degradation, plant assimilation that filtration, absorption, precipitation, volatilization, microorganism participate in absorb etc., CWs to multiple pollutant time removal ability come from synergistic mechanism wherein.
Using High-Rate Algae Pond is the improved form of a kind of traditional stabilization pond of getting up of development in recent years, its significant physicochemical characteristics is the variation round the clock of pH value and DO in the pool, by the algae-bacteria symbiotic system of obvious strengthening, strengthen pollutent by the Synergistic degradation absorption process of algea and bacteria, organism, nitrogen, phosphorus and heavy metal are all had to good removal effect.Compare with traditional two stage biological treatment technology, Using High-Rate Algae Pond has the feature low, economic operating cost of investing.But the algae that contains some amount in Using High-Rate Algae Pond water outlet, directly enters receiving water body if do not removed, can make in receiving water body algae concentration higher, polluted-water.Therefore must carry out separation to the algae in Using High-Rate Algae Pond water outlet.Wherein utilize waterplant allelopathic effect algae in water surrounding to be removed and suppress and have relevant applied research, some submerged plants not only have a gram algae effect, and there is photosynthetic reoxygenation effect and whole absorption pollutent effects (being different from only Root Absorption of emergent) of plant materialss, the dead organism of algae can supplement water body organic carbon source again to a certain extent simultaneously, so utilize the highly-efficient treatment algae pool water outlet of the submerged plant pool and intake and be expected to the Ecological regulation of the system that realizes as CWs.
For the sewage treatment facility of middle and small scale, ubiquity complex structure, the problem such as management is inconvenient, and processing efficiency is low, operation cost height, and there is the limitation that floor space is large in artificial wetland process.Therefore, compound water cleaning systems field needs a kind of floor space little, simple in structure, the water cleaning systems that processing efficiency is high.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of floor space little pool bed and is coupled composite type artificial wetland water cleaning systems, this system makes full use of the feature that henge floor space is little, by the metabolism syntaxial system of algae-bacterium-submerged plant and the synergistic purification process of horizontal drowned flow artificial wet land, effectively remove multiple pollutant simultaneously, improve wastewater purification efficiency, form a kind of efficient, stable, energy-conservation New Type of Sewage Treatment System.
A kind of floor space little of the present invention pool bed is coupled composite type artificial wetland water cleaning systems, and described water cleaning systems comprises up stream Using High-Rate Algae Pond, the submerged plant pool and horizontal drowned flow artificial wet land; Described up stream Using High-Rate Algae Pond, the submerged plant pool and horizontal drowned flow artificial wet land are mutually nested henge, are up stream Using High-Rate Algae Pond, the submerged plant pool and horizontal drowned flow artificial wet land from the inside to surface successively; Described up stream Using High-Rate Algae Pond bottom is equipped with for injecting the porous water distributor of sewage; Bottom, the submerged plant pool is filled with thin-layer matrix, and kind is implanted with submerged plant; In described horizontal drowned flow artificial wet land, plant and be implanted with emergent.
In described up stream Using High-Rate Algae Pond, stop the sewage of certain hour, by overflow, enter the submerged plant pool; In the described submerged plant pool, stop the sewage of certain hour, by overflow, enter horizontal drowned flow artificial wet land, and by water outlet after further synergistic purification.
The bottom of described up stream Using High-Rate Algae Pond is equipped with four porous water distributors, is 90 degree angles between water distributor.
Algae in described up stream Using High-Rate Algae Pond all can self-sow, cultivates one or more for microcystic aeruginosa, Anabaena variabilis, the algae that quivers, Anacystis, scenedesmus obliquus, water are continuous, in an algae without regularly inoculation and professional.Algae is removed to effect to nitrogen phosphorus nutrition thing in sewage and organic picked-up, and the contaminant degradation ability powerful with bacterium combines effectively, forms the metabolism cogeneration system of algea and bacteria complexity, can promote dirty water purification.
Described matrix is one or more in zeolite, shale, gravel, ceramic filter material, and its filling thickness is 10～20cm.Matrix can supply plant-growth, microorganic adhesion, and has the effects such as filtration, precipitation, Adsorption and flocculation, the nutritive substances such as the suspended substance in water body, nitrogen, phosphorus effectively can be removed.
Described submerged plant is one or more in hornwort, watermifoil, eel grass, hydrilla verticillata.Submerged plant can enter water body by releasing oxygen on the one hand, its cauline leaf can be as the carrier that adheres to of bacterium on the other hand, for the biochemical action of bacterium provides oxygen enrichment place, and submerged plant integral body can be assimilated and absorbed inorganic nutrient salt and water outlet removes algae to up stream Using High-Rate Algae Pond by allelopathy.
In the described submerged plant pool, be provided with diaphragm, it can suppress the short stream of sewage, promotes better current to mix and guarantees that water distribution is even.
Described horizontal drowned flow artificial wet land comprises a body, Chuan Ti both sides are gravel area, be respectively inlet gravel area and water outlet gravel area, centre is packing area, between gravel area and packing area, be provided with perforation guide water board, the gravel of 60～80cm thickness is filled in gravel area, and grain size of gravel is 2～4cm, the zeolite of 60～80cm thickness is filled in packing area, and zeolite particle diameter is 10～20mm.
Described emergent is one or more in reed, aquatic Canna generalis Bailey, calamus, Scirpus tabernaemontani.
A kind of floor space little of the present invention pool bed is coupled composite type artificial wetland water cleaning systems, and described compound water cleaning systems is comprised of up stream Using High-Rate Algae Pond, the submerged plant pool and horizontal drowned flow artificial wet land.Up stream Using High-Rate Algae Pond bottom is equipped with porous water distributor, by intake pump, sewage is noted by up stream Using High-Rate Algae Pond bottom.In up stream Using High-Rate Algae Pond, stop the sewage of certain hour, by overflow, enter the submerged plant pool; Submerged plant pool bottom is filled with thin-layer matrix, and plants and be implanted with submerged plant, and the allelopathy by submerged plant remove algae and water body is done to further purification; In the submerged plant pool, stop the sewage of certain hour, by overflow, enter horizontal drowned flow artificial wet land, and by water outlet after further synergistic purification.
Water cleaning systems of the present invention utilizes the metabolism syntaxial system of algae-bacterium-submerged plant and the synergistic purification process of horizontal drowned flow artificial wet land effectively to remove multiple pollutant simultaneously, has strengthened water body purification effect.By intake pump, sewage is injected by up stream Using High-Rate Algae Pond bottom, in the pool, algae photosynthesis can improve pH and DO, and strengthens the biochemical degradation of organic pollutant, nitrogen, phosphorus and assimilation absorbs and to the absorption of heavy metal and precipitation by helotisn effect in the pool.
Beneficial effect:
(1) the present invention has built the pool bed that a kind of floor space is little, simple in structure, running cost is low and easy and simple to handle and has been coupled composite type artificial wetland water cleaning systems, forms the metabolism syntaxial system of algae-bacterium-submerged plant and the synergistic purification process of horizontal drowned flow artificial wet land;
(2) the present invention utilizes the principle of helotisn metabolism can not only effectively remove conventional pollution substance (SS, BOD, COD, TN, TP etc.) simultaneously, also can realize the removal of counterweight metal species pollutent, therefore can be used for restoration of the ecosystem, pollution of area source control, landscape water processing aspect to polluted-water, form a kind of efficient, stable, energy-conservation New Type of Sewage Treatment System.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is plan structure schematic diagram of the present invention;
In figure, water-in 1, intake pump 2, up stream Using High-Rate Algae Pond 3, porous water distributor 4, the submerged plant pool 5, diaphragm 6, submerged plant 7, matrix 8, horizontal drowned flow artificial wet land 9, emergent 10, inlet gravel area 11,12， packing area, water outlet gravel area 13, water outlet 14.
Embodiment
Below in conjunction with specific embodiment, further set forth the present invention.Should be understood that these embodiment are only not used in and limit the scope of the invention for the present invention is described.In addition should be understood that those skilled in the art can make various changes or modifications the present invention after having read the content of the present invention's instruction, these equivalent form of values fall within the application's appended claims limited range equally.
By intake pump 2, sewage is imported to up stream Using High-Rate Algae Pond 3 by water-in 1, and by the porous water distributor 4(diameter of phi=60mm of up stream Using High-Rate Algae Pond 3 bottoms) inject, sewage mixes and can improve DO and pH value in the pool through spray from the bottom to top, strengthens to the biochemical degradation of organic pollutant, nitrogen, phosphorus and assimilation absorption and to the absorption of heavy metal and precipitation; The sewage of the interior stop certain hour of up stream Using High-Rate Algae Pond 3, enters the submerged plant pool 5 by overflow; 5 bottoms, the submerged plant pool are filled with the matrix 8 that thickness is 20cm, and plant and to be implanted with submerged plant 7, and the allelopathy by submerged plant 7 remove algae and water body is done to further purification; The sewage of the interior stop certain hour in the submerged plant pool 5, by overflow, enter horizontal drowned flow artificial wet land 9, wet 9 ground of horizontal drowned flow artificial comprise a body, Chuan Ti both sides are gravel area, be respectively inlet gravel area 11 and water outlet gravel area 12, middle for being provided with perforation guide water board between 13， gravel area, packing area and packing area 13, the gravel of 80cm thickness is filled in gravel area, and grain size of gravel is 2～4cm.The zeolite of 80cm thickness is filled in packing area, and zeolite particle diameter is 10～20mm, and top, packing area kind is implanted with emergent, by the further purifying water body of synergistic purification process of horizontal drowned flow artificial wet land 9.
Be of a size of: (1) up stream Using High-Rate Algae Pond 3: radius ￠=1m, height h=2.5m, useful volume 7.5m
3; (2) the submerged plant pool 5: radius ￠=1.5m, height h=2.1m, useful volume 7.6m
3; The filling thickness of submerged plant pool cobble-stone (Φ 1～2cm) is 20cm, the submerged plants such as plantation hornwort, watermifoil and eel grass.(3) horizontal drowned flow artificial wet land 9: radius ￠=2.5m, height h=1.2m, useful volume 7.7m
3; The filling thickness of gravel area, horizontal drowned flow artificial wet land both sides cobble-stone (Φ 2～4cm) is 80cm, and the filling thickness of packing area mesolite (Φ 10～20mm) is 80cm, the emergents such as plantation reed, Canna generalis Bailey.
At inlet COD concentration, be 120～200mg/L, NH
4 +-N concentration is 10～25mg/L, PO
4 3--P concentration is 1.5～3.0mg/L, and the concentration of Cu, Zn, Cr is respectively 1.43～2.45mg/L, 4.31～5.22mg/L, 1.08～2.37mg/L, and water temperature is that the condition Xia， pool bed of 25～32 ℃ is coupled composite type artificial wetland water cleaning systems to COD, NH
4 +-N, PO
4 3-the average removal rate of-P, TP, TN, Cu, Zn and Cr is respectively 92.20%, 98.85%, 74.93%, 82.69%, 90.27%, 97.67%, 98.85% and 94.14%; The submerged plant pool is 91.63% to the clearance of up stream Using High-Rate Algae Pond water outlet Chl-a.
Claims (9)
1. floor space little pool bed is coupled a composite type artificial wetland water cleaning systems, it is characterized in that: described water cleaning systems comprises up stream Using High-Rate Algae Pond (3), the submerged plant pool (5) and horizontal drowned flow artificial wet land (9); Described up stream Using High-Rate Algae Pond (3), the submerged plant pool (5) and horizontal drowned flow artificial wet land (9) are mutually nested henge, are up stream Using High-Rate Algae Pond (3), the submerged plant pool (5) and horizontal drowned flow artificial wet land (9) from the inside to surface successively; Described up stream Using High-Rate Algae Pond (3) bottom is equipped with for injecting the porous water distributor (4) of sewage; Bottom, the submerged plant pool (5) is filled with thin-layer matrix (8), and kind is implanted with submerged plant (7); In described horizontal drowned flow artificial wet land (9), plant and be implanted with emergent (10).
2. a kind of floor space little according to claim 1 pool bed is coupled composite type artificial wetland water cleaning systems, it is characterized in that: in described up stream Using High-Rate Algae Pond (3), stop the sewage of certain hour, by overflow, enter the submerged plant pool (5); In the described submerged plant pool (5), stop the sewage of certain hour, by overflow, enter horizontal drowned flow artificial wet land (9), and by water outlet after further synergistic purification.
3. a kind of floor space little according to claim 1 pool bed is coupled composite type artificial wetland water cleaning systems, it is characterized in that: described up stream Using High-Rate Algae Pond (3) bottom is equipped with four porous water distributors (4), is 90 degree angles between water distributor.
4. a kind of floor space little according to claim 1 pool bed is coupled composite type artificial wetland water cleaning systems, it is characterized in that: the algae in described up stream Using High-Rate Algae Pond (3) is microcystic aeruginosa, Anabaena variabilis, the algae that quivers, Anacystis, scenedesmus obliquus, water continuous, one or more in silk algae.
5. a kind of floor space little according to claim 1 pool bed is coupled composite type artificial wetland water cleaning systems, it is characterized in that: described matrix (8) is one or more in zeolite, shale, gravel, ceramic filter material, and its filling thickness is 10～20cm.
6. a kind of floor space little according to claim 1 pool bed is coupled composite type artificial wetland water cleaning systems, it is characterized in that: described submerged plant (7) is one or more in hornwort, watermifoil, eel grass, hydrilla verticillata.
7. a kind of floor space little according to claim 1 pool bed is coupled composite type artificial wetland water cleaning systems, it is characterized in that: in the described submerged plant pool (5), be provided with diaphragm (6).
8. a kind of floor space little according to claim 1 pool bed is coupled composite type artificial wetland water cleaning systems, it is characterized in that: described horizontal drowned flow artificial wet land (9) comprises a body, Chuan Ti both sides are gravel area, are respectively inlet gravel area (11) and water outlet gravel area (12); In the middle of bed body, be packing area (13), gravel area and packing area are provided with perforation guide water board between (13); The gravel of 60～80cm thickness is filled in gravel area, and grain size of gravel is the zeolite that 60～80cm thickness is filled in 2～4cm， packing areas (13), and zeolite particle diameter is 10～20mm.
9. a kind of floor space little according to claim 1 pool bed is coupled composite type artificial wetland water cleaning systems, it is characterized in that: described emergent (10) is one or more in reed, aquatic Canna generalis Bailey, calamus, Scirpus tabernaemontani.
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105036343A (en) * | 2015-07-02 | 2015-11-11 | 东南大学 | Ecological engineering method capable of efficiently removing lipophilic trace organic substances in low-pollution water |
| CN105198086A (en) * | 2015-09-18 | 2015-12-30 | 同济大学 | High-nitrogen low-carbon sewage treatment device and method |
| CN105217793A (en) * | 2015-10-15 | 2016-01-06 | 山东大学 | The artificial wet land system of the annual stabilizing treatment sanitary sewage of built-up type and operation method |
| CN106977062A (en) * | 2017-05-26 | 2017-07-25 | 湖南农业大学 | A kind of method that utilization Plant Pond+artificial swamp+adsorption tank efficiently removes heavy metal in farmland irrigating water |
| CN108341495A (en) * | 2018-03-12 | 2018-07-31 | 山东大学 | The efficient oxygenating wet land system of three-phase overflow |
| CN108675464A (en) * | 2018-08-03 | 2018-10-19 | 江西省科学院 | A method of micro heavy and trace F-53B in removal electroplating wastewater processing water outlet |
| CN110092543A (en) * | 2019-05-14 | 2019-08-06 | 自然资源部海岛研究中心 | A kind of algae pool-environmentally friendly processing method of artificial swamp-ecological pond of urban wastewater treatment firm tail water |
| CN110436635A (en) * | 2019-08-15 | 2019-11-12 | 广东省建筑设计研究院 | A kind of countryside sewage treatment equipment and operation dimension Guan Fangfa |
| CN112479482A (en) * | 2020-11-02 | 2021-03-12 | 广州鑫泓设备设计有限公司 | Ammonia nitrogen wastewater treatment system based on constructed wetland |
| CN113277625A (en) * | 2021-06-08 | 2021-08-20 | 深圳市水务规划设计院股份有限公司 | Artificial wetland modular device for sewage treatment and treatment method |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105036343A (en) * | 2015-07-02 | 2015-11-11 | 东南大学 | Ecological engineering method capable of efficiently removing lipophilic trace organic substances in low-pollution water |
| CN105198086A (en) * | 2015-09-18 | 2015-12-30 | 同济大学 | High-nitrogen low-carbon sewage treatment device and method |
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| CN108675464A (en) * | 2018-08-03 | 2018-10-19 | 江西省科学院 | A method of micro heavy and trace F-53B in removal electroplating wastewater processing water outlet |
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| CN110092543A (en) * | 2019-05-14 | 2019-08-06 | 自然资源部海岛研究中心 | A kind of algae pool-environmentally friendly processing method of artificial swamp-ecological pond of urban wastewater treatment firm tail water |
| CN110092543B (en) * | 2019-05-14 | 2022-11-18 | 自然资源部海岛研究中心 | Environment-friendly treatment method for tail water of urban sewage treatment plant by using algae pond, artificial wetland and ecological pond |
| CN110436635A (en) * | 2019-08-15 | 2019-11-12 | 广东省建筑设计研究院 | A kind of countryside sewage treatment equipment and operation dimension Guan Fangfa |
| CN110436635B (en) * | 2019-08-15 | 2024-06-11 | 广东省建筑设计研究院 | Rural sewage treatment device and operation pipe maintaining method |
| CN112479482A (en) * | 2020-11-02 | 2021-03-12 | 广州鑫泓设备设计有限公司 | Ammonia nitrogen wastewater treatment system based on constructed wetland |
| CN113277625A (en) * | 2021-06-08 | 2021-08-20 | 深圳市水务规划设计院股份有限公司 | Artificial wetland modular device for sewage treatment and treatment method |
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Inventor after: Ding Yi Inventor after: Song Xinshan Inventor after: Wang Wei Inventor after: Gong Juan Inventor after: Wang Yuhui Inventor before: Ding Yi Inventor before: Song Xinshan Inventor before: Wang Wei Inventor before: Wang Yuhui |
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Application publication date: 20140115 |