CN209338220U - A kind of sewage disposal system based on anaerobism-AO- combined artificial wetland - Google Patents

A kind of sewage disposal system based on anaerobism-AO- combined artificial wetland Download PDF

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Publication number
CN209338220U
CN209338220U CN201822029724.5U CN201822029724U CN209338220U CN 209338220 U CN209338220 U CN 209338220U CN 201822029724 U CN201822029724 U CN 201822029724U CN 209338220 U CN209338220 U CN 209338220U
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pond
disposal system
sewage disposal
input port
artificial
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张宇
郭行
潘涛
骆坚平
赵倩倩
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Guirui Test Technology (beijing) Co Ltd
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Guirui Test Technology (beijing) Co Ltd
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Abstract

The disclosure discloses a kind of sewage disposal system based on anaerobism-AO- combined artificial wetland, including anaerobic pond, anoxic pond, aerobic tank, sedimentation basin, ecological pond and artificial swamp.The disclosure is by increasing combined artificial wetland on the basis of traditional AO technique, construct the ecosystem of sewage treatment, utilize intergrowth of species, substance principle of recycling and regeneration and structure and orthofunction principle, promote the benign cycle of Pollutants in Wastewater matter, water body activity, control water pollution and degradation harmful substance can effectively be increased.

Description

A kind of sewage disposal system based on anaerobism-AO- combined artificial wetland
Technical field
The disclosure belongs to sewage treatment field, and in particular to a kind of sewage treatment based on anaerobism-AO- combined artificial wetland System.
Background technique
With the raising of China's life in the countryside level, the discharge of domestic sewage in rural areas is also being continuously increased, water pollution problems It is on the rise, and China's the vast rural areas sewage treatment facility falls behind, or even a large amount of sanitary sewage is not just straight by processing Run in and puts, it is serious to pollute receiving water body and periphery ecological environment, and there is sewage effluent water quality and quantity to fluctuate big, extensive row It puts, the features such as ingredient is increasingly complicated.And people in the countryside inhabitation relative distribution independence, large population base, small scale, density are low, because This, is only applicable to rural area according to people in the countryside distribution, sewage discharge and water quality characteristics, traditional rural domestic sewage treatment process The processing in general area, and higher lake, reservoir, waters sensitive strip, aquatic ecosystem are required frailly for effluent quality The major river valleys such as area, have not reached requirement, it is therefore desirable to further progress advanced treating.
Utility model content
In view of the deficiency of the prior art, the one kind that is designed to provide of the disclosure is based on anaerobism-AO- combined artificial The sewage disposal system of wetland cooperates combined artificial wetland by traditional AO treatment process, can effectively remove having in sewage Machine object, nitrogen and phosphorus realize qualified discharge and the recycling of sewage.
In order to achieve the above object, the technical solution of the disclosure is described as follows:
A kind of sewage disposal system based on anaerobism-AO- combined artificial wetland, comprising: anaerobic pond, anoxic pond, aerobic tank, Sedimentation basin, ecological pond and artificial swamp;Wherein,
The delivery outlet of the anaerobic pond is connected with the input port of the anoxic pond;
The delivery outlet of the anoxic pond is connected with the input port of the aerobic tank;
The delivery outlet of the aerobic tank is connected with the input port of the sedimentation basin;
The delivery outlet of the sedimentation basin is connected with the input port of the ecological pond;
The delivery outlet of the ecological pond is connected with the input port of the artificial swamp.
Preferably, following any adsorbent: active carbon, mineral powder, flyash and lime stone is added in the anaerobic pond.
Preferably, artificial floating bed is equipped in the ecological pond.
Preferably, the bottom hung of the artificial floating bed has biological carbon fiber.
Preferably, the artificial swamp is surface-flow or current wetland.
Preferably, the matrix of the artificial swamp includes following any: gravel by nature, lime stone and volcanic rock.
Compared with prior art, disclosure bring has the beneficial effect that
1, the operation of anaerobic stages is enhanced by adding medicament, improves the stability of microorganism concn and system, more has Conducive to the removal of organic matter;
2, combined artificial wetland can ensure the high efficiency and stability of present treatment system, both can increase water body activity or can Control water pollution;
3, disclosure process flow is simple, low energy consumption, save the cost.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of sewage disposal system based on anaerobism-AO- combined artificial wetland of the disclosure.
Specific embodiment
The technical solution of the disclosure is described in detail with reference to the accompanying drawings and examples.
As shown in Figure 1, the disclosure provides a kind of sewage disposal system based on anaerobism-AO- combined artificial wetland, comprising: Anaerobic pond, anoxic pond, aerobic tank, sedimentation basin, ecological pond and artificial swamp;Wherein, the delivery outlet of the anaerobic pond is lacked with described The input port in oxygen pond is connected;The delivery outlet of the anoxic pond is connected with the input port of the aerobic tank;The output of the aerobic tank Mouth is connected with the input port of the sedimentation basin;The delivery outlet of the sedimentation basin is connected with the input port of the ecological pond;The life The delivery outlet on the state pool is connected with the input port of the artificial swamp.
Above embodiments describe a kind of sewage disposal systems based on anaerobism-AO- combined artificial wetland, can effectively drop Solve the nitrogen and phosphorus in the organic matter and removal sewage in sewage.
The specific implementation process of the present embodiment are as follows:
Sewage flows into anaerobic pond, while one of active carbon, mineral powder, flyash or lime stone are added in anaerobic pond Or it is several, convenient for improving the stability of microorganism concn and system, be conducive to the removal of organic matter, by the anaerobism of certain time It decomposes, removes part BOD, part nitrogenous compound is made to be converted to N2And it discharges, the poly- phosphorus Microbiological release phosphorus in returned sludge; Then sewage flows into anoxic pond, and denitrifying bacteria is by the nitrate reduction come in aerobic tank by inner circulating reflux at N2;It connects The sewage that gets off flows into aerobic tank, and ammonia nitrogen carries out nitrification and generates nitrate, and organic matter is degraded, and microorganism inhales phosphorus, through heavy With rich phosphorus dirt discharge behind shallow lake, achieve the effect that dephosphorization;Bio-chemical effluent flows into combined artificial wetland, compound people after sedimentation tank filter Work wetland is made of ecological pond and artificial swamp, utilizes plant, microorganism, the physics of artificial dielectric, chemistry, the triple collaborations of biology Reaction, depth remove organic matter, nitrogen, phosphorus in water body.
In another embodiment, added in the anaerobic pond following any: active carbon, mineral powder, flyash and lime stone.
In the present embodiment, active carbon contains a large amount of micropores, have huge incomparable surface area, can be effectively removed coloration, Stink can remove most organic pollutants and certain inorganic matters in sewage;The Al contained in flyash2O3, CaO isoreactivity group Point, can produce complex with the fluorine in sewage or production have the colloidal ion of flocculation to fluorine, also containing zeolite, mullite, Carbon granule and silica gel etc. have inorganic ions commutativity and adsorption and decoloration;Mineral powder has cellular structure feature, porosity It is higher, it can not only suspended matter and organic matter in trap water, moreover it is possible to phosphorus in water body be fixed, there is dephosphorization function;Lime stone can As pH adjusting agent, underwater gold category ion precipitation can be made, the impurity such as oil removal can be removed while removing underwater gold category ion, it It itself is also equipped with chemical precipitation dephosphorization, has the function of Phosphate Sorption.
In another embodiment, artificial floating bed is equipped in the ecological pond.
In the present embodiment, artificial floating bed is based on water plant, with cultivation technique without soil, with high molecular material etc. It is established efficient for carrier using symbiosis between species and the principle for making full use of Water space ecological niche and Trophic Niche Artificial ecological system, have the effect of cut down water body in pollutional load.
In another embodiment, the bottom hung of the artificial floating bed has biological carbon fiber.
In the present embodiment, biological carbon fabric suspension has extra specific surface area below the artificial floating bed, using being adsorbed on carbon Oxidation operation in water body is decomposed, is reached by biological oxidation by the oxygen in biomembrane and water in fiberfill Purify purpose.
In another embodiment, the artificial swamp is surface-flow or current wetland.
In the present embodiment, waste water is in filler surface cross flow in surface-flow, and the degradation of most organic is by being located at leaching Microorganism in the biomembrane of plant basal part of stem not in waste water is completed;Current wetland is afforested by surface of water loving plant Object, using sandstone soil as filler, allow water naturally osmotic filter man-made tourist site.Above two artificial swamp can be as the case may be It is selected.
In another embodiment, the matrix of the artificial swamp includes following any: gravel by nature, lime stone and volcano Rock.
In the present embodiment, using materials such as gravel by nature, lime stone, volcanic rock as local combined artificial wetland matrix, The synergistic effect between air, water body, matrix, plant and microorganism can be strengthened, removal organic matter that can be more efficient, nitrogen and Phosphorus.
In the following, the technical effect of the technical solution of the disclosure is further described by experiment.
Suburb country sewage, raw water quality are as follows:
Project CODcr NH3-N TN TP
Content (mg/L) 400 35 40 5
After the processing of the technical solution of the disclosure, it is discharged COD≤30mg/L, NH3- N < 10mg/L, TN≤10mg/L, TP ≤ 0.2mg/L. effluent quality part index number can reach " water environment quality standard " IV class.
By above-mentioned experiment it is found that the technical solution of the disclosure can effectively degrade to the organic matter in sewage, energy Nitrogen and phosphorus in effective removal sewage, so that effluent quality is up to standard.
The foregoing is merely the preferred embodiment of the disclosure, it cannot be understood as the limitation to disclosure range, It should be pointed out that those skilled in the art, under the premise of not departing from disclosure design, can also make several Modification and improvement, these belong to the protection scope of the disclosure.

Claims (6)

1. a kind of sewage disposal system based on anaerobism-AO- combined artificial wetland, comprising: anaerobic pond, aerobic tank, sinks at anoxic pond Shallow lake pond, ecological pond and artificial swamp;Wherein,
The delivery outlet of the anaerobic pond is connected with the input port of the anoxic pond;
The delivery outlet of the anoxic pond is connected with the input port of the aerobic tank;
The delivery outlet of the aerobic tank is connected with the input port of the sedimentation basin;
The delivery outlet of the sedimentation basin is connected with the input port of the ecological pond;
The delivery outlet of the ecological pond is connected with the input port of the artificial swamp.
2. sewage disposal system according to claim 1, which is characterized in that add following any suction in the anaerobic pond Attached dose: active carbon, mineral powder, flyash and lime stone.
3. sewage disposal system according to claim 1, which is characterized in that be equipped with artificial floating bed in the ecological pond.
4. sewage disposal system according to claim 3, which is characterized in that the bottom hung of the artificial floating bed has biology Carbon fiber.
5. sewage disposal system according to claim 1, which is characterized in that the artificial swamp is surface-flow or undercurrent Wetland.
6. sewage disposal system according to claim 5, which is characterized in that the matrix of the artificial swamp includes following appoint One: gravel by nature, lime stone and volcanic rock.
CN201822029724.5U 2018-12-04 2018-12-04 A kind of sewage disposal system based on anaerobism-AO- combined artificial wetland Active CN209338220U (en)

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CN201822029724.5U CN209338220U (en) 2018-12-04 2018-12-04 A kind of sewage disposal system based on anaerobism-AO- combined artificial wetland

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111807611A (en) * 2020-06-20 2020-10-23 山东三加环保新材料有限公司 A2O process-based sewage nitrogen removal method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111807611A (en) * 2020-06-20 2020-10-23 山东三加环保新材料有限公司 A2O process-based sewage nitrogen removal method

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