CN216039159U - Rural sewage treatment system of solar energy oxygenation composite ecological pond - Google Patents

Rural sewage treatment system of solar energy oxygenation composite ecological pond Download PDF

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CN216039159U
CN216039159U CN202122359376.XU CN202122359376U CN216039159U CN 216039159 U CN216039159 U CN 216039159U CN 202122359376 U CN202122359376 U CN 202122359376U CN 216039159 U CN216039159 U CN 216039159U
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water
ecological pond
composite ecological
pond
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许华诚
徐佳燕
范燕芸
陈漳钒
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Quanzhou Lanshen Environmental Protection Research Institute Co ltd
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Quanzhou Lanshen Environmental Protection Research Institute Co ltd
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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
    • Y02A20/20—Controlling water pollution; Waste water treatment
    • Y02A20/208—Off-grid powered water treatment
    • Y02A20/212—Solar-powered wastewater sewage treatment, e.g. spray evaporation

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Abstract

The utility model discloses a rural sewage treatment system of a solar oxygen-increasing composite ecological pond, which comprises a grid well, a biological hydrolysis reactor and a composite ecological pond, wherein an artificial grid is arranged in the grid well, the grid well is provided with a sewage inlet, a water outlet of the grid well is connected with a water inlet of the biological hydrolysis reactor, and a water outlet of the biological hydrolysis reactor is connected with the composite ecological pond through a pipeline; the composite ecological pond comprises a near-shore area, a shallow water area and a deep water area; the near-shore area is planted with the hygrophytes; aquatic plants are planted in the shallow water area; the water surface of the deep water area is provided with a solar aerator, the water surface of the deep water area is also provided with an ecological floating bed, and aquatic plants are arranged on the ecological floating bed. Compared with the prior art, the utility model pretreats sewage by arranging the grid well and the biological hydrolysis reactor, degrades organic matters in the water body by plants and microorganisms in the composite ecological pond, and achieves the effects of nitrogen and phosphorus removal by utilizing the absorption of aquatic plants.

Description

Rural sewage treatment system of solar energy oxygenation composite ecological pond
Technical Field
The utility model relates to the field of sewage treatment, in particular to a rural sewage treatment system of a solar oxygen increasing composite ecological pond.
Background
Rural domestic sewage is a large amount of sewage, and in recent years, with the construction and development of beautiful villages in China, the discharge amount of rural domestic sewage is continuously increased, so that rural area-source pollution is increasingly aggravated. The existing rural distributed domestic sewage treatment method mainly comprises primary treatment, biological treatment and ecological treatment, wherein the ecological treatment mainly comprises processes such as land treatment, artificial wetland, traditional oxidation pond and the like. Most of the methods have the characteristics of unstable operation, long retention time, poor treatment effect in winter and poor removal effect of nitrogen and phosphorus in sewage.
The conventional oxidation pond has the following problems: large occupied area and long hydraulic retention time; bottom sludge siltation is serious; the traditional aeration technology has the advantages of low efficiency, high power consumption and the like, and simultaneously generates a large amount of bubbles, so that the foam on the surface of a water body is overflowed, and the attractiveness is seriously influenced.
The ecological floating island technology is characterized in that a soilless culture technology is used, and the purpose of purifying water quality is achieved by utilizing absorption of nutrient elements such as nitrogen and phosphorus by aquatic plants and degradation of pollutants by root microorganisms. However, the decontamination capability of the traditional ecological floating island technology is easily limited by seasons and the amount of plants in the floating island, and the purification effect is difficult to further improve.
In view of the above, the present inventors have made extensive studies on the above-mentioned drawbacks of the prior art, and have made this invention.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a rural sewage treatment system of a solar oxygen-increasing composite ecological pond, which has the characteristic of improving the treatment effect of rural domestic sewage, can effectively degrade organic matters in sewage and perform nitrogen and phosphorus removal on a water body.
In order to achieve the above purpose, the solution of the utility model is:
a rural sewage treatment system of a solar oxygen-increasing composite ecological pond comprises a grating well, a biological hydrolysis reactor and a composite ecological pond, wherein an artificial grating is arranged in the grating well, the grating well is provided with a sewage inlet, a water outlet of the grating well is connected with a water inlet of the biological hydrolysis reactor, and a water outlet of the biological hydrolysis reactor is connected with the composite ecological pond through a pipeline;
the composite ecological pond comprises a near-shore area, a shallow water area and a deep water area; the near-shore area is planted with hygrophytes; the slope coefficient of the shallow water area is 1: (1.5-3.0), wherein aquatic plants are planted in the shallow water area; the water depth of the deep water area is 1.5-2.5m, the water surface of the deep water area is provided with a solar aerator, the water surface of the deep water area is also provided with an ecological floating bed, and aquatic plants are arranged on the ecological floating bed.
Further, the biological hydrolysis reactor is filled with biological filler, and the specific surface area of the filler of the biological filler is not less than 1250m2/m3And the filling rate of the filler is not less than 60 percent.
Further, the hygrophytes include juncus effusus, arundo donax or saxifrage; the aquatic plant in the shallow water region comprises Phragmites communis, canna indica, Acorus calamus, Typha orientalis, Ecliptae herba, Scirpus tabaci or Zizania latifolia.
Further, the solar aerator comprises a photovoltaic panel, a battery, a control system, an intelligent aerator, an aeration disc, a support and a floating boat; the photovoltaic plate, the battery, the control system, the intelligent aerator and the aeration disc are fixed on the pontoon through the bracket, and the pontoon floats on the water surface of the composite ecological pond.
Further, the ecological floating bed comprises a floating bed body, a fixing device and a plant planting basket; the floating bed body is fixed through a fixing device, the plant planting baskets are installed on the floating bed body, and the plant planting baskets are planted with aquatic plants without soil.
Furthermore, the number of the ecological floating beds is one or more, and the ecological coverage area accounts for 20-35% of the area of the pond.
After the structure is adopted, the rural sewage treatment system of the solar oxygenation composite ecological pond has at least the following beneficial effects:
firstly, collecting rural domestic sewage, sequentially entering a grating well and a biological hydrolysis reactor for primary treatment, separating large solid impurities, primarily degrading organic matters in the sewage and precipitating to remove most suspended matters in the sewage; and (3) the sewage passing through the biological hydrolysis reactor enters a composite ecological pond, and the effluent is discharged into a nearby natural water body after reaching the standard by utilizing the absorption of nutrient elements such as nitrogen and phosphorus by aquatic plants and the degradation of pollutants by root microorganisms.
And plants are respectively arranged in the near-shore area, the shallow water area and the deep water area, so that respective advantages of different plants are exerted, organic pollutants and nitrogen and phosphorus are better removed, and meanwhile, a better landscape matching effect is achieved.
And thirdly, the solar oxygen increasing machine is arranged in the deep water area, so that the concentration of dissolved oxygen in the pond is kept to be 1.0-3.0mg/L, the content of dissolved oxygen in the composite ecological pond is suitable for the growth and the propagation of microorganisms, and the sewage treatment effect is favorably improved.
Fourthly, through setting up ecological bed of floating for the aquatic plant can be planted to the deep water district surface of water, makes greatly increased the planting region of plant, compares in traditional ecological pond, improves sewage treatment effect and efficiency.
Compared with the prior art, the utility model pretreats sewage by arranging the grid well and the biological hydrolysis reactor, degrades organic matters in the water body by plants and microorganisms in the composite ecological pond, and achieves the effects of nitrogen and phosphorus removal by utilizing the absorption of aquatic plants.
Drawings
FIG. 1 is a schematic structural view of a rural sewage treatment system of a solar oxygen-increasing composite ecological pond.
In the figure:
a grid well 1; a biological hydrolysis reactor 2;
a composite ecological pond 3; the near shore region 31; a hygrophyte 311; a shallow water region 32; a deepwater zone 33;
a solar aerator 4;
an ecological floating bed 5; a floating bed body 51; and a fixture 52.
Detailed Description
In order to further explain the technical solution of the present invention, the present invention is explained in detail by the following specific examples.
As shown in fig. 1, the rural sewage treatment system of the solar oxygenation composite ecological pond 3 comprises a grid well 1, a biological hydrolysis reactor 2 and a composite ecological pond 3, wherein an artificial grid is arranged in the grid well 1, the grid well 1 is provided with a sewage inlet, a water outlet of the grid well 1 is connected with a water inlet of the biological hydrolysis reactor 2, and a water outlet of the biological hydrolysis reactor 2 is connected with the composite ecological pond 3 through a pipeline;
the composite ecological pond 3 comprises an inshore area 31, a shallow water area 32 and a deep water area 33; the near-shore region 31 is planted with hygrophytes 311; the slope coefficient of the shallow water region 32 is 1: (1.5-3.0), the shallow water area 32 is planted with aquatic plants; the water depth of the deep water area 33 is 1.5-2.5m, the water surface of the deep water area 33 is provided with a solar aerator 4, the water surface of the deep water area 33 is also provided with an ecological floating bed 5, and aquatic plants are arranged on the ecological floating bed 5.
Therefore, when the rural sewage treatment system of the solar oxygen-increasing composite ecological pond is used, rural domestic sewage is collected and sequentially enters the grid well 1 and the biological hydrolysis reactor 2 for primary treatment, large solid impurities are separated, organic matters in sewage are primarily degraded, and most suspended matters in the sewage are precipitated and removed; the sewage passing through the biological hydrolysis reactor 2 enters a composite ecological pond 3, and the effluent is discharged into a nearby natural water body after reaching the standard by utilizing the absorption of nutrient elements such as nitrogen, phosphorus and the like by aquatic plants and the degradation of pollutants by root microorganisms.
Preferably, the biological hydrolysis reactor 2 is filled with biological filler, and the specific surface area of the filler of the biological filler is not less than 1250m2/m3And the filling rate of the filler is not less than 60 percent. The sewage is pretreated by the biological filler, so that the content of pollutants in the sewage is reduced.
Preferably, the hygrophytes 311 include juncus effusus, arundo donax or saxifrage; the aquatic plants in the shallow water region 32 include Phragmites communis, canna, Acorus calamus, Typha orientalis, Ecliptae herba, Scirpus validus or Zizania latifolia. The plants are respectively arranged in the near-shore area 31, the shallow water area 32 and the deep water area 33, so that respective advantages of different plants are exerted, organic pollutants and nitrogen and phosphorus are better removed, and meanwhile, a better landscape matching effect is achieved.
Preferably, the solar aerator 4 comprises a photovoltaic panel, a battery, a control system, an intelligent aerator, an aeration disc, a bracket and a floating boat; the photovoltaic plate, the battery, the control system, the intelligent aerator and the aeration disc are fixed on the pontoon through the bracket, and the pontoon floats on the water surface of the composite ecological pond 3. The solar oxygen increasing machine 4 is arranged in the deep water area 33, so that the concentration of dissolved oxygen in the pond is kept to be 1.0-3.0mg/L, the content of the dissolved oxygen in the composite ecological pond 3 is suitable for the growth and the propagation of microorganisms, and the sewage treatment effect is favorably improved. The solar energy is adopted to supply power to the aerator, so that the trouble of wiring in the pond is avoided, and the sewage treatment system is more convenient to arrange and install.
Preferably, the ecological floating bed 5 comprises a floating bed body 51, a fixing device 52 and a plant growing basket; the floating bed body 51 is fixed through a fixing device 52, the plant planting baskets are installed on the floating bed body 51, and the plant planting baskets are planted with aquatic plants without soil. Through setting up ecological bed 5 that floats for the aquatic plant can be planted to deep water district 33 surface of water, makes greatly increased the planting region of plant, compares in traditional ecological pond, improves sewage treatment effect and efficiency.
Preferably, the number of the ecological floating beds 5 is one or more, and the ecological coverage area accounts for 20-35% of the area of the pond.
Example 3 of composite ecological pond: the composite ecological pond 3 is divided into an inshore area 31, a shallow water area 32 and a deep water area 33, wherein the inshore area 31 is planted with metasequoia and hygrophytes 311 such as rush, mullet and the like; the coefficient of the shallow water area 32 slope is 1: 2.0, planting a reed, cattail and droguet combined aquatic plant according to the matching ratio of 1:0.8: 1; the depth of the water body in the deep water area 33 is 2.0m, a set of solar oxygen increasing machine 4 is configured, and the concentration of dissolved oxygen in the pond is kept to be 1.0-3.0 mg/L.
The deep water area 33 of the composite ecological pond 3 is provided with an ecological floating bed 5, and the coverage area of the ecological floating bed 5 accounts for 30 percent of the pond area. The aquatic plants of the ecological floating bed 5 consist of canna and droughhaired bevel grass, the weight percentage of each plant is 50 percent, and the planting density is 16 plants/m 2.
Under the conditions that the average COD concentration of inlet water quality of rural sewage is 230mg/L, the average BOD concentration is 120mg/L, the average ammonia nitrogen concentration is 28mg/L, and the average total phosphorus concentration is 3mg/L, the average COD concentration of outlet water quality is reduced to 48mg/L, the average BOD concentration is reduced to 13mg/L, the average ammonia nitrogen concentration is reduced to 4.6mg/L, and the average total phosphorus concentration is reduced to 0.43mg/L, the outlet water quality can stably reach the first-level B standard of pollutant discharge Standard of municipal wastewater treatment plant (GB18918-2002), the removal rates of ammonia nitrogen and total phosphorus reach 83.5% and 85.7% respectively, the device has the advantages of effectively removing organic pollutants, simultaneously achieving good effect of synchronous denitrification and dephosphorization treatment, having good landscape effect, providing all power required by operation by solar energy, saving operation cost and energy, and being suitable for rural sewage treatment.
Compared with the prior art, the utility model pretreats sewage by arranging the grid well 1 and the biological hydrolysis reactor 2, degrades organic matters in a water body by plants and microorganisms in the composite ecological pond 3, and achieves the effects of nitrogen and phosphorus removal by utilizing the absorption of aquatic plants.
The above embodiments and drawings are not intended to limit the form and style of the present invention, and any suitable changes or modifications thereof by those skilled in the art should be considered as not departing from the scope of the present invention.

Claims (6)

1. A rural sewage treatment system of a solar oxygen-increasing composite ecological pond is characterized by comprising a grating well, a biological hydrolysis reactor and a composite ecological pond, wherein an artificial grating is arranged in the grating well, the grating well is provided with a sewage inlet, a water outlet of the grating well is connected with a water inlet of the biological hydrolysis reactor, and a water outlet of the biological hydrolysis reactor is connected with the composite ecological pond through a pipeline;
the composite ecological pond comprises a near-shore area, a shallow water area and a deep water area; the near-shore area is planted with hygrophytes; the slope coefficient of the shallow water area is 1: (1.5-3.0), wherein aquatic plants are planted in the shallow water area; the water depth of the deep water area is 1.5-2.5m, the water surface of the deep water area is provided with a solar aerator, the water surface of the deep water area is also provided with an ecological floating bed, and aquatic plants are arranged on the ecological floating bed.
2. The rural sewage treatment system of solar oxygen-increasing composite ecological pond of claim 1, wherein the biological hydrolysis reactor is filled with biological filler, and the filler specific surface area of the biological filler is not less than 1250m2/m3And the filling rate of the filler is not less than 60 percent.
3. The rural sewage treatment system of solar energy oxygenation composite ecological pond of claim 1, wherein the hygrophytes comprise juncus effuses, arundo donax or saxifrage; the aquatic plant in the shallow water region comprises Phragmites communis, canna indica, Acorus calamus, Typha orientalis, Ecliptae herba, Scirpus tabaci or Zizania latifolia.
4. The rural sewage treatment system of solar energy oxygenation composite ecological pond of claim 1, wherein the solar energy oxygenation machine comprises photovoltaic panels, batteries, a control system, an intelligent aerator, an aeration disc, a bracket and a pontoon; the photovoltaic plate, the battery, the control system, the intelligent aerator and the aeration disc are fixed on the pontoon through the bracket, and the pontoon floats on the water surface of the composite ecological pond.
5. The rural sewage treatment system of solar energy oxygenation composite ecological pond of claim 1, wherein the ecological floating bed comprises a floating bed body, a fixing device and a plant planting basket; the floating bed body is fixed through a fixing device, the plant planting baskets are installed on the floating bed body, and the plant planting baskets are planted with aquatic plants without soil.
6. The rural sewage treatment system of solar oxygen-increasing composite ecological pond of claim 1, wherein the number of the ecological floating beds is one or more, and the ecological coverage area occupies 20-35% of the pond area.
CN202122359376.XU 2021-09-28 2021-09-28 Rural sewage treatment system of solar energy oxygenation composite ecological pond Active CN216039159U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122359376.XU CN216039159U (en) 2021-09-28 2021-09-28 Rural sewage treatment system of solar energy oxygenation composite ecological pond

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122359376.XU CN216039159U (en) 2021-09-28 2021-09-28 Rural sewage treatment system of solar energy oxygenation composite ecological pond

Publications (1)

Publication Number Publication Date
CN216039159U true CN216039159U (en) 2022-03-15

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CN202122359376.XU Active CN216039159U (en) 2021-09-28 2021-09-28 Rural sewage treatment system of solar energy oxygenation composite ecological pond

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