CN212403854U - Domestic sewage treatment system - Google Patents
Domestic sewage treatment system Download PDFInfo
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- CN212403854U CN212403854U CN202020437223.5U CN202020437223U CN212403854U CN 212403854 U CN212403854 U CN 212403854U CN 202020437223 U CN202020437223 U CN 202020437223U CN 212403854 U CN212403854 U CN 212403854U
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Abstract
The utility model discloses in design a domestic sewage treatment system, a serial communication port, include: the device comprises a grating, an adjusting tank, a primary sedimentation tank, a contact oxidation tank, a secondary sedimentation tank, a filter, a disinfection tank, a clean water tank and a sludge tank; wherein the equalizing basin sets up and links to each other with the sewer line export at domestic sewage treatment system body foremost, the equalizing basin entrance is equipped with the grid, the equalizing basin export with one sink the pond entry linkage, one sink the pond and be equipped with pipeline and contact oxidation pond entry linkage, one sink the pond still to be equipped with the pipeline and be connected with the mud delivery pump, contact oxidation pond export and two sink pond entry linkage, two sink the bottom of the pool portion and be equipped with the pipeline and be connected with the sludge impoundment, two sink pond upper portions and be equipped with the pipeline and be connected with the filter, filter export and disinfection pond entry linkage, the export of disinfection pond is connected with the clean water basin.
Description
Technical Field
The utility model relates to a sewage treatment technical field especially relates to a domestic sewage treatment system.
Background
With the continuous development of urbanization in China, the contradiction between urban environmental pollution and economic development becomes increasingly prominent, wherein water pollution becomes a public nuisance for the sustainable development of towns. The source of water pollution can be divided into two categories of point source pollution and surface source pollution, and the point source pollution formed by the emission of large and medium-sized enterprises belongs to the treatment range in the enterprises; the treatment difficulty is higher for town domestic sewage, a small amount of sewage discharged by small-sized enterprises, agricultural fertilization and non-point source pollution caused by pesticide use; at present, most of cities and countryside of China are suffering from non-point source sewage pollution of different degrees, including pollution of urban domestic sewage, sewage discharged by small enterprises, farmland non-point source sewage and the like.
At present, most local sewage in China is collected and treated in a centralized collection and treatment mode, an unreasonable sewage treatment system is used, the quality of system outlet water cannot reach the reuse standard, the environment is polluted, and great water resource waste is caused.
SUMMERY OF THE UTILITY MODEL
In view of the above, an object of the present invention is to provide a domestic sewage treatment system.
The utility model provides a technical scheme that relevant technical problem adopted is: a domestic sewage treatment system, comprising: the device comprises a grating, an adjusting tank, a primary sedimentation tank, a contact oxidation tank, a secondary sedimentation tank, a filter, a disinfection tank, a clean water tank and a sludge tank; wherein the equalizing basin sets up and links to each other with the sewer line export at domestic sewage treatment system body foremost, the equalizing basin entrance is equipped with the grid, the equalizing basin export with one sink the pond entry linkage, one sink the pond and be equipped with pipeline and contact oxidation pond entry linkage, one sink the pond still to be equipped with the pipeline and be connected with the mud delivery pump, contact oxidation pond export and two sink pond entry linkage, two sink the bottom of the pool portion and be equipped with the pipeline and be connected with the sludge impoundment, two sink pond upper portions and be equipped with the pipeline and be connected with the filter, filter export and disinfection pond entry linkage, the export of disinfection pond is connected with the clean water basin.
Furthermore, a stirrer is respectively installed at the opposite angles of the adjusting tank, and the stirrers are correspondingly provided with lifting devices.
Further, the contact oxidation pond includes anaerobism pond, one-level contact oxidation pond and second grade contact oxidation pond, the anaerobism pond entry with a heavy pond exit linkage, the anaerobism pond export with one-level contact oxidation pond entry linkage, one-level contact oxidation pond export with second grade contact oxidation pond entry linkage, second grade contact oxidation pond export and two heavy pond entry linkage.
Further, sludge pipes are added in the anaerobic tank, the primary contact oxidation tank and the secondary contact oxidation tank, and the sludge pipes are connected with the sludge delivery pump; the first-stage contact oxidation pond and the second-stage contact oxidation pond are connected with an external fan.
Further, an intermediate water tank is further arranged between the secondary sedimentation tank and the filter, an inlet of the intermediate water tank is connected with an outlet of the secondary sedimentation tank, and an outlet of the intermediate water tank is connected with the filter.
Further, the filter includes quartz sand filter and active carbon filter, quartz sand filter entry with middle pond exit linkage, quartz sand filter export with active carbon filter entry linkage, active carbon filter export and disinfection pond entry linkage.
Furthermore, back washing devices are arranged in the quartz sand filter and the activated carbon filter, each back washing device comprises a lifting pump, and the lifting pumps are arranged in the clean water tank.
Furthermore, an overflow pipe is arranged between the sludge tank and the adjusting tank.
The utility model has the advantages that:
the utility model discloses in designed a domestic sewage treatment system, adopted two sedimentation tanks to make and filter clean effect better to the sludge pipe has all been added to anaerobism pond, one-level contact oxidation pond and second grade contact oxidation pond between two sedimentation tanks, has reduced the burden of back equipment and connecting tube. The filter adopts the dual filtration of quartz sand filter and active carbon filter, and the filter effect is better to quartz sand filter and active carbon filter have still adopted back flush unit, utilize the water in the clean water basin to carry out the back flush, rivers after the washing flow into the regulation pond, have not only prolonged the life of filter and have reduced water waste simultaneously. The utility model discloses select reasonable equipment and overall arrangement for use, optimized the system flow, promoted system's equipment treatment performance to reach system health, steady operation, go out water quality of water qualified and retrieve smoothly, reduce the water wasting of resources.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a flow chart of a domestic sewage treatment system of the present invention;
FIG. 2 is a schematic structural view of a domestic sewage treatment system of the present invention;
wherein:
1. a grid; 2. a regulating tank; 3. a blender; 4. a lifting device; 5. a primary sedimentation tank; 6. an anaerobic tank; 7. a primary contact oxidation tank; 8. a secondary contact oxidation pond; 9. a secondary sedimentation tank; 10. a disinfection tank; 11. a sludge tank; 12. a sludge delivery pump; 13. a middle water tank; 14. a quartz sand filter; 15. an activated carbon filter; 16. a backwashing device; 17. a fan; 18. a clean water tank;
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
A domestic sewage treatment system as shown in fig. 1 and 2, comprising: the device comprises a grating 1, an adjusting tank 2, a primary sedimentation tank 5, a contact oxidation tank, a secondary sedimentation tank 9, a filter, a disinfection tank 10, a clean water tank 18 and a sludge tank 11; wherein equalizing basin 2 sets up and links to each other with the sewer line export at domestic sewage treatment system body foremost, 2 entrances of equalizing basin are equipped with grid 1, 2 exports of equalizing basin and the 5 entry linkage in the heavy pond of one, one sink pond 5 and be used for the sewage sedimentation separation, one sink pond 5 is equipped with pipeline and contact oxidation pond entry linkage, one sink pond 5 still is equipped with the pipeline and is connected with sludge pump 12, contact oxidation pond export and the 9 entry linkage in the heavy pond of two, two sink pond 9 are used for the sewage sedimentation separation after will reacting, two sink 9 bottoms in the pond be equipped with the pipeline and be connected with sludge impoundment 11, two heavy 9 upper portions in the pond are equipped with the pipeline and are connected with the filter, filter export and disinfection pond 10 entry linkage, disinfection pond 10 export is connected with clean water basin 18.
And a stirrer 3 is respectively arranged at the opposite angles of the adjusting tank 2, and a lifting device 4 is correspondingly arranged on the stirrer 3.
The contact oxidation pond includes anaerobism pond 6, one-level contact oxidation pond 7 and second grade contact oxidation pond 8, 6 entries in anaerobism pond with 5 exit linkage in the primary sedimentation pond, 6 exports in anaerobism pond with 7 entry linkage in one-level contact oxidation pond, 7 exports in one-level contact oxidation pond with 8 entry linkage in second grade contact oxidation pond, 8 exports in second grade contact oxidation pond and the 9 entry linkages in secondary sedimentation pond. The anaerobic tank 6 is used for killing aerobic bacteria; the primary contact oxidation pond 7 and the secondary contact oxidation pond 8 are used for removing anaerobic bacteria.
Sludge pipes are respectively added into the anaerobic tank 6, the primary contact oxidation tank 7 and the secondary contact oxidation tank 8, the sludge pipes are connected with the sludge delivery pump 12, and the sludge delivery pump 12 is used for discharging sludge; the primary contact oxidation pond 7 and the secondary contact oxidation pond 8 are connected with an external fan 17.
The secondary sedimentation tank 9 and an intermediate water tank 13 is also arranged between the filters, an inlet of the intermediate water tank 13 is connected with an outlet of the secondary sedimentation tank 9, and an outlet of the intermediate water tank 13 is connected with the filters.
The filter includes quartz sand filter 14 and active carbon filter 15, quartz sand filter 14 entry with middle pond 13 exit linkage, quartz sand filter 14 export with active carbon filter 15 entry linkage, active carbon filter 15 export and 10 entry linkage in disinfection pond, dual filtering's setting makes the filter effect better.
The quartz sand filter 14 and the activated carbon filter 15 are both provided with a back washing device 16, the back washing device 16 comprises a lift pump, and the lift pump is arranged in a clean water tank 18 so as to achieve the maximum resource utilization.
An overflow pipe is also arranged between the sludge tank 11 and the adjusting tank 2.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (8)
1. A domestic sewage treatment system, comprising: the device comprises a grating, an adjusting tank, a primary sedimentation tank, a contact oxidation tank, a secondary sedimentation tank, a filter, a disinfection tank, a clean water tank and a sludge tank; wherein the equalizing basin sets up and links to each other with the sewer line export at domestic sewage treatment system body foremost, the equalizing basin entrance is equipped with the grid, the equalizing basin export with one sink the pond entry linkage, one sink the pond and be equipped with pipeline and contact oxidation pond entry linkage, one sink the pond still to be equipped with the pipeline and be connected with the mud delivery pump, contact oxidation pond export and two sink pond entry linkage, two sink the bottom of the pool portion and be equipped with the pipeline and be connected with the sludge impoundment, two sink pond upper portions and be equipped with the pipeline and be connected with the filter, filter export and disinfection pond entry linkage, the export of disinfection pond is connected with the clean water basin.
2. The domestic sewage treatment system of claim 1, wherein: and the opposite corners of the adjusting tank are respectively provided with a stirrer, and the stirrers are correspondingly provided with lifting devices.
3. The domestic sewage treatment system of claim 1, wherein: the catalytic oxidation pond includes anaerobism pond, one-level catalytic oxidation pond and second grade catalytic oxidation pond, the anaerobism pond entry with one sink the pond exit linkage, the anaerobism pond export with one-level catalytic oxidation pond entry linkage, one-level catalytic oxidation pond export with second grade catalytic oxidation pond entry linkage, second grade catalytic oxidation pond export and two sink pond entry linkage.
4. A domestic sewage treatment system according to claim 3 wherein: sludge pipes are added in the anaerobic tank, the primary contact oxidation tank and the secondary contact oxidation tank, and the sludge pipes are connected with the sludge delivery pump; the first-stage contact oxidation pond and the second-stage contact oxidation pond are connected with an external fan.
5. The domestic sewage treatment system of claim 1, wherein: the secondary sedimentation tank and the filter are also provided with an intermediate water tank, an inlet of the intermediate water tank is connected with an outlet of the secondary sedimentation tank, and an outlet of the intermediate water tank is connected with the filter.
6. The domestic sewage treatment system of claim 5, wherein: the filter comprises a quartz sand filter and an activated carbon filter, an inlet of the quartz sand filter is connected with an outlet of the middle water tank, an outlet of the quartz sand filter is connected with an inlet of the activated carbon filter, and an outlet of the activated carbon filter is connected with an inlet of the disinfection tank.
7. The domestic sewage treatment system of claim 6, wherein: the back washing device is arranged in each of the quartz sand filter and the activated carbon filter and comprises a lifting pump, and the lifting pump is arranged in the clean water tank.
8. The domestic sewage treatment system of claim 1, wherein: an overflow pipe is also arranged between the sludge tank and the adjusting tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020437223.5U CN212403854U (en) | 2020-03-30 | 2020-03-30 | Domestic sewage treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020437223.5U CN212403854U (en) | 2020-03-30 | 2020-03-30 | Domestic sewage treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212403854U true CN212403854U (en) | 2021-01-26 |
Family
ID=74378509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020437223.5U Active CN212403854U (en) | 2020-03-30 | 2020-03-30 | Domestic sewage treatment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212403854U (en) |
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2020
- 2020-03-30 CN CN202020437223.5U patent/CN212403854U/en active Active
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