CN212770309U - Domestic sewage treatment system - Google Patents
Domestic sewage treatment system Download PDFInfo
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- CN212770309U CN212770309U CN202020553793.0U CN202020553793U CN212770309U CN 212770309 U CN212770309 U CN 212770309U CN 202020553793 U CN202020553793 U CN 202020553793U CN 212770309 U CN212770309 U CN 212770309U
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Abstract
The utility model relates to a municipal works technical field specifically discloses a domestic sewage treatment system, wherein, include: the system comprises a sedimentation well, an aeration tank and an ecological wetland, wherein the aeration tank is connected with the sedimentation well, and the ecological wetland is connected with the aeration tank; the settling well is used for settling the domestic sewage and forming an anaerobic environment, and primarily degrading the domestic sewage; the aeration tank is used for carrying out sunshine and oxidation on the domestic sewage treated by the settling well and carrying out secondary degradation on the domestic sewage; the ecological wetland is used for degrading the domestic sewage treated by the aeration tank for three times through the biological purification effect. The utility model provides a domestic sewage treatment system area is little, construction cost is low, and the later stage operation is through mode automatic completions such as gravity flow and natural degradation, and artifical maintenance cost is low, and the processing procedure forms closed loop, environment friendly, the better improvement the not enough in the aspect of rural area handles domestic sewage.
Description
Technical Field
The utility model relates to a municipal works technical field especially relates to a domestic sewage treatment system.
Background
For the vast rural areas, the residences are scattered and far away from towns, and are connected to sewage treatment plants in the towns, so that the construction and operation costs are high, and the residences in the rural areas, particularly the houses built by themselves, and domestic sewage cannot be effectively treated for a long time. At present, domestic sewage in rural areas is generally discharged into soil and ponds directly by pipelines or open ditches, or into soil and underground water by seepage wells. Although the domestic sewage has less pollution to the environment compared with the industrial sewage, the domestic sewage has serious harm to soil, ponds and underground water, is easy to cause soil salinization, and has serious pollution to the ponds and the underground water.
Disclosure of Invention
The utility model provides a domestic sewage treatment system, which solves the problem of serious domestic sewage pollution existing in the correlation technique.
As an aspect of the utility model, a domestic sewage treatment system is provided, wherein, include: the system comprises a sedimentation well, an aeration tank and an ecological wetland, wherein the aeration tank is connected with the sedimentation well, and the ecological wetland is connected with the aeration tank;
the settling well is used for settling the domestic sewage, forming an anaerobic environment and primarily degrading the domestic sewage;
the aeration tank is used for performing sunshine and oxidation on the domestic sewage treated by the settling well and performing secondary degradation on the domestic sewage;
the ecological wetland is used for degrading the domestic sewage treated by the aeration tank for three times through biological purification.
Further, the sediment well includes well lid, bottom plate and lateral wall, the bottom of lateral wall is connected the bottom plate, the top of lateral wall is connected the well lid, lateral wall, bottom plate and well lid enclose into the sedimentation space, set up sediment well import and sediment well export on the lateral wall respectively, the height that highly is less than of sediment well export sediment well import.
Further, the bottom plate includes a first wrapping layer and a first inner core layer, the first inner core layer being wrapped by the first wrapping layer except for a surface opposite the well lid.
Further, the first inner core layer is made of C20 concrete.
Furthermore, the aeration tank comprises a tank bottom wall and a tank side wall connected with the tank bottom wall, the tank bottom wall and the tank side wall enclose an oxidative degradation area, a tank water inlet is formed in the tank side wall, and the height of the tank side wall connected with the ecological wetland is lower than the height of other tank side walls.
Further, the pool bottom wall comprises a second wrapping layer and a second inner core layer, and the second inner core layer is wrapped by the second wrapping layer except for the surface facing the oxidative degradation area.
Further, the manufacturing material of the second inner core layer comprises C20 concrete.
Furthermore, the sedimentation well is connected with the aeration tank through a CN200 pipeline, and the aeration tank is in butt joint with the ecological wetland.
The utility model provides a domestic sewage treatment system carries out the solid matter liner and forms anaerobic environment through depositing the well to the domestic sewage of discharge in the sewage pipeline, clears up the harmful substance in the domestic sewage, then carries out sunlight irradiation and oxidation to the domestic sewage after depositing the well through the aeration tank to further clear up domestic sewage, realize the biological purification effect to sewage through ecological wetland at last. The domestic sewage treatment system has the advantages of small occupied area, low construction cost, automatic completion of later-stage operation in modes of gravity flow, natural degradation and the like, low manual maintenance cost, closed loop formation in the treatment process, environmental friendliness and better improvement on the aspect of domestic sewage treatment in rural areas.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
Figure 1 is the utility model provides a domestic sewage treatment system's top view.
Figure 2 is the utility model provides a domestic sewage treatment system's cross-sectional view.
Fig. 3a is a cross-sectional view of the settling well of fig. 1 taken along the line a-a'.
Fig. 3B is a cross-sectional view of the settling well of fig. 1 taken along line B-B'.
Fig. 3c is a top view of the settling well provided by the present invention.
Fig. 4a is a cross-sectional view of the aeration tank of fig. 1 taken along the direction C-C'.
Fig. 4b is a cross-sectional view of the aeration tank of fig. 1 taken along direction D-D'.
Fig. 5a is a cross-sectional view of the ecological wetland in fig. 1 from the direction of E-E'.
Fig. 5b is a sectional view of the ecological wetland in fig. 1 from the direction of F-F'.
Detailed Description
It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged under appropriate circumstances for purposes of describing the embodiments of the invention herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In this embodiment, a domestic sewage treatment system is provided, fig. 1 is a top view of a domestic sewage treatment system provided according to an embodiment of the present invention, fig. 2 is a cross-sectional view of a domestic sewage treatment system provided by an embodiment of the present invention, as shown in fig. 1 and fig. 2, including: the system comprises a sedimentation well 100, an aeration tank 200 and an ecological wetland 300, wherein the aeration tank 200 is connected with the sedimentation well 100, and the ecological wetland 300 is connected with the aeration tank 200;
the settling well 100 is used for settling domestic sewage, forming an anaerobic environment and performing primary degradation on the domestic sewage;
the aeration tank 200 is used for performing sunshine and oxidation on the domestic sewage treated by the settling well and performing secondary degradation on the domestic sewage;
the ecological wetland 300 is used for degrading the domestic sewage treated by the aeration tank for three times through biological purification.
The utility model provides a domestic sewage treatment system carries out the solid matter liner and forms anaerobic environment through depositing the well to the domestic sewage of discharge in the sewage pipeline, clears up the harmful substance in the domestic sewage, then carries out sunlight irradiation and oxidation to the domestic sewage after depositing the well through the aeration tank to further clear up domestic sewage, realize the biological purification effect to sewage through ecological wetland at last. The domestic sewage treatment system has the advantages of small occupied area, low construction cost, automatic completion of later-stage operation in modes of gravity flow, natural degradation and the like, low manual maintenance cost, closed loop formation in the treatment process, environmental friendliness and better improvement on the aspect of domestic sewage treatment in rural areas.
Specifically, as shown in fig. 3a to 3c, the sediment trap 100 includes a well lid 110, a bottom plate 130 and a side wall 120, the bottom end of the side wall 20 is connected to the bottom plate 130, the top end of the side wall 120 is connected to the well lid 110, the side wall 120, the bottom plate 130 and the well lid 110 enclose a sediment space, a sediment trap inlet 140 and a sediment trap outlet 150 are respectively disposed on the side wall 120, and the height of the sediment trap outlet 150 is lower than the height of the sediment trap inlet 140.
In further detail, the bottom plate 130 includes a first wrapping layer 131 and a first inner core layer 132, and the first inner core layer 132 is wrapped by the first wrapping layer 131 except for a surface opposite to the well lid 110.
Preferably, the material of the first inner core layer 132 includes C20 concrete.
It should be understood that the settling well 100 is connected with a domestic sewage pipeline and connected with the aeration tank 200, the settling well 100 can dilute domestic sewage and settle solid matters in the domestic sewage, and the anaerobic environment formed by the settling well 100 is beneficial to digesting harmful substances in the domestic sewage. As shown in fig. 3a to 3c, when the sewage treatment system is used for a single household, the length and width of the settling well 100 may be 2000mm and 1000mm (without wall thickness), respectively, the distance from the bottom plate 130 of the settling well 100 to the well lid 110 may be 2000mm, and the total length of the well lid 110 of the settling well 100 is 2000mm and the total width thereof is 1250 mm. The bottom plate 130 is cast in situ by C20 concrete and is wrapped by impervious coiled materials; the side walls 120 are bricked and subjected to anti-seepage treatment. As shown in fig. 3c, the manhole cover 110 can be prefabricated by reinforced concrete, and is composed of five blocks, so that the installation and sludge removal are facilitated.
Specifically, as shown in fig. 4a and 4b, the aeration tank 200 comprises a tank bottom wall 220 and a tank side wall 210 connected with the tank bottom wall 220, the tank bottom wall 220 and the tank side wall 210 enclose an oxidative degradation area, a tank water inlet 230 is arranged on the tank side wall 210, and the height of the tank side wall 210 connected with the ecological wetland 300 is lower than the height of the other tank side walls 210.
Further specifically, the pool bottom wall 220 comprises a second wrapping layer 221 and a second inner core layer 222, and the second inner core layer 222 is wrapped by the second wrapping layer 221 except for the surface facing the oxidative degradation region.
Preferably, the material of the second inner core layer 222 includes C20 concrete.
It should be understood that the aeration tank 200 is connected with the sedimentation well 100 and the ecological wetland 300, the primarily treated sewage is discharged into the aeration tank 200, the sunlight irradiation and the oxidation act on the sewage to further digest the sewage, and the harmful substances in the sewage are degraded again. Referring to fig. 4a and 4b, the structure of the aeration tank, when the sewage treatment system is used for a single household, the length and width of the aeration tank 200 may be 2000mm (without wall thickness), the height of the side wall of the aeration tank 200 connected to the ecological wetland 300 may be 800mm, and the height of the side wall of the other side may be 1000 mm. The bottom wall 220 of the aeration tank 200 is cast-in-situ by C20 concrete and is wrapped by impervious coiled materials; the tank sidewall 210 is bricked and subjected to an anti-seepage treatment.
Specifically, the sedimentation well 100 is connected with the aeration tank 200 through a CN200 pipeline, and the aeration tank 200 is in butt joint with the ecological wetland 300.
It should be understood that the aeration tank 200 is connected to the ecological wetland 300, and sludge, plant roots and various microorganisms are arranged in the ecological wetland 300, which all have good purification effect on sewage. As shown in fig. 5a and 5b, which are layout views of the ecological wetland 300, when the domestic sewage treatment system is only used for a single household, the length and width of the ecological wetland 300 can be 4000mm, and wetland plants are planted in the wetland.
Specifically, the settling well 100 and the aeration tank 200 can be connected by a DN200 pipeline. The aeration tank 200 is in butt joint with the ecological wetland 300. The top surface of the well lid of the settling well 100 may be specifically 0.4m lower than the indoor floor. The top surface of the well lid of the settling well 100 may be 0.4m higher than the ground. The ecological wetland 300 can be specifically 0.2m lower than the ground. After the domestic sewage treatment system is built and used, sludge in the settling well is cleared every half year.
The construction requirements of sewage treatment facilities are well known to those skilled in the art and will not be described in detail here.
To sum up, the embodiment of the utility model provides a domestic sewage treatment system, area is little, construction cost is low, and later stage operation is through mode automatic completions such as gravity flow and natural degradation, and artifical maintenance cost is low, and the processing procedure forms closed loop, environment friendly, better improvement the not enough in the aspect of rural area handles domestic sewage.
As another embodiment of the present invention, there is provided a domestic sewage treatment method using the domestic sewage treatment system described above, including:
receiving domestic sewage, precipitating solid substances in the domestic sewage, generating an anaerobic environment capable of digesting harmful substances, and primarily degrading the domestic sewage;
carrying out sunshine and oxidation on the domestic sewage after precipitation, and carrying out secondary degradation on harmful substances in the domestic sewage;
and carrying out three-time degradation on the domestic sewage after oxidation and secondary degradation through biological purification.
The embodiment of the utility model provides a domestic sewage treatment method has adopted the domestic sewage treatment system in the preamble, carries out the solid matter liner and forms anaerobic environment through depositing the well to the domestic sewage of discharge in the domestic sewage pipeline, clears up the harmful substance in the domestic sewage, then carries out sunlight irradiation and oxidation to the domestic sewage after depositing the well through the aeration tank to further clear up domestic sewage, realize the biological purification effect to sewage through ecological wetland at last. The domestic sewage treatment system has the advantages of small occupied area, low construction cost, automatic completion of later-stage operation in modes of gravity flow, natural degradation and the like, low manual maintenance cost, closed loop formation in the treatment process, environmental friendliness and better improvement on the aspect of domestic sewage treatment in rural areas.
For the specific implementation of the domestic sewage treatment method, reference may be made to the foregoing description of the domestic sewage treatment system, and details thereof are not repeated herein.
It is to be understood that the above embodiments are merely exemplary embodiments that have been employed to illustrate the principles of the present invention, and that the present invention is not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and substance of the invention, and these modifications and improvements are also considered to be within the scope of the invention.
Claims (8)
1. A domestic sewage treatment system, comprising: the system comprises a sedimentation well, an aeration tank and an ecological wetland, wherein the aeration tank is connected with the sedimentation well, and the ecological wetland is connected with the aeration tank;
the settling well is used for settling the domestic sewage, forming an anaerobic environment and primarily degrading the domestic sewage;
the aeration tank is used for performing sunshine and oxidation on the domestic sewage treated by the settling well and performing secondary degradation on the domestic sewage;
the ecological wetland is used for degrading the domestic sewage treated by the aeration tank for three times through biological purification.
2. The domestic sewage treatment system of claim 1, wherein the settling well comprises a well lid, a bottom plate and side walls, the bottom end of each side wall is connected with the bottom plate, the top end of each side wall is connected with the well lid, the side walls, the bottom plate and the well lid enclose a settling space, a settling well inlet and a settling well outlet are respectively arranged on the side walls, and the height of the settling well outlet is lower than that of the settling well inlet.
3. The domestic sewage treatment system of claim 2 wherein said bottom plate comprises a first wrapper and a first inner core, said first inner core being wrapped by said first wrapper except for a surface opposite said well lid.
4. The domestic sewage treatment system of claim 3 wherein said first inner core layer is made of a material comprising C20 concrete.
5. The domestic sewage treatment system of claim 1, wherein the aeration tank comprises a tank bottom wall and a tank side wall connected with the tank bottom wall, the tank bottom wall and the tank side wall enclose an oxidative degradation area, a tank water inlet is formed in the tank side wall, and the height of the tank side wall connected with the ecological wetland is lower than that of the tank side wall which is not connected with the ecological wetland.
6. The domestic sewage treatment system of claim 5 wherein said tank bottom wall comprises a second coating layer and a second inner core layer, said second inner core layer being coated by said second coating layer except for a surface facing said oxidative degradation region.
7. The domestic sewage treatment system of claim 6 wherein the second inner core layer is made of a material comprising C20 concrete.
8. The domestic sewage treatment system of claim 1 wherein said settling well is connected to said aeration tank by a CN200 pipeline, and said aeration tank is flush-jointed to said ecological wetland.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020553793.0U CN212770309U (en) | 2020-04-15 | 2020-04-15 | Domestic sewage treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020553793.0U CN212770309U (en) | 2020-04-15 | 2020-04-15 | Domestic sewage treatment system |
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| Publication Number | Publication Date |
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| CN212770309U true CN212770309U (en) | 2021-03-23 |
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| CN202020553793.0U Active CN212770309U (en) | 2020-04-15 | 2020-04-15 | Domestic sewage treatment system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111348811A (en) * | 2020-04-15 | 2020-06-30 | 无锡市政设计研究院有限公司 | Domestic sewage treatment system and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111348811A (en) * | 2020-04-15 | 2020-06-30 | 无锡市政设计研究院有限公司 | Domestic sewage treatment system and method |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 214072 West floor, Lianchuang building, 901-2 yinxiu Road, Binhu District, Wuxi City, Jiangsu Province Patentee after: Huaxin Design Group Co.,Ltd. Address before: 214072 West floor, Lianchuang building, 901-2 yinxiu Road, Binhu District, Wuxi City, Jiangsu Province Patentee before: WUXI MUNICIPAL DESIGN INSTITUTE Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |