CN219991373U - Domestic sewage treatment system - Google Patents
Domestic sewage treatment system Download PDFInfo
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- CN219991373U CN219991373U CN202321387073.1U CN202321387073U CN219991373U CN 219991373 U CN219991373 U CN 219991373U CN 202321387073 U CN202321387073 U CN 202321387073U CN 219991373 U CN219991373 U CN 219991373U
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- 239000010865 sewage Substances 0.000 title claims abstract description 158
- 238000001914 filtration Methods 0.000 claims abstract description 6
- 239000012535 impurity Substances 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 63
- 238000004062 sedimentation Methods 0.000 claims description 30
- 239000004576 sand Substances 0.000 claims description 15
- 238000005273 aeration Methods 0.000 claims description 8
- 239000010802 sludge Substances 0.000 claims description 8
- 238000004891 communication Methods 0.000 claims description 6
- 238000004659 sterilization and disinfection Methods 0.000 claims description 5
- 230000000249 desinfective effect Effects 0.000 claims description 2
- 239000013505 freshwater Substances 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 12
- 238000012423 maintenance Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 238000006297 dehydration reaction Methods 0.000 description 3
- 230000001954 sterilising effect Effects 0.000 description 3
- 230000018044 dehydration Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 239000010806 kitchen waste Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000010813 municipal solid waste Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
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- Treatment Of Biological Wastes In General (AREA)
Abstract
The utility model discloses a domestic sewage treatment system, relates to the technical field of sewage treatment, and can at least partially solve the problems of poor effect caused by independent sewage treatment and easy blockage of a conveying pipeline caused by centralized treatment in the prior art. The domestic sewage treatment system of the embodiment of the utility model comprises: the sewage disposal system comprises a pretreatment module, a post-treatment module and a sewage disposal main pipe; the pretreatment module comprises a plurality of pretreatment units which are arranged in a distributed manner, each pretreatment unit is arranged close to the sewage source, the pretreatment units are used for carrying out preliminary impurity filtering pretreatment on the sewage of the sewage source, and the sewage discharge ends of the pretreatment units are communicated with the sewage discharge main pipe; the post-treatment module is used for intensively treating the pretreatment sewage discharged by the pretreatment unit, and is communicated with one end of the sewage main pipe, which is far away from the pretreatment unit.
Description
Technical Field
The utility model relates to the technical field of sewage treatment, in particular to a domestic sewage treatment system.
Background
Various dirty substances such as household garbage, greasy dirt and the like exist in the domestic sewage, and the domestic sewage can be discharged after reaching the standard, otherwise, the domestic environment is seriously polluted. At present, the domestic sewage treatment of the village and town settlement points is usually carried out separately and then discharged, and the domestic sewage can be conveyed to the treatment points by utilizing the sewage pipeline for centralized treatment and then discharged for the region with denser settlement points.
The decentralized individual treatment is easy to be discharged when the treatment is not up to standard compared with the centralized treatment when the sewage is conveyed to a treatment point by a sewage pipeline, and the subsequent maintenance work is difficult because the treatment system is distributed scattered; the solution of centralized treatment of sewage by utilizing a sewage pipeline to convey the sewage to a treatment point is that although the treatment efficiency is high and the treatment effect is controllable, the problem of pipeline blockage is often easy to exist in the transportation process before sewage treatment, particularly under the condition of lower environmental temperature in winter, the oil stains can appear a condensation phenomenon, the mixed sundries can more easily block the sewage conveying pipeline, once the blockage phenomenon appears, the influence range is larger compared with that of independent treatment, and the maintenance pressure is large.
In view of this, the present utility model has been made.
Disclosure of Invention
In view of the above, the present utility model is to provide a domestic sewage treatment system, which can ensure the whole sewage treatment efficiency and treatment effect through distributed pretreatment and centralized post-treatment, and simultaneously reduce maintenance pressure, so as to solve the problems of poor effect caused by independent sewage treatment and easy blockage of a conveying pipeline caused by centralized treatment in the prior art.
In order to solve the technical problems, the utility model adopts the following scheme:
the present utility model provides a domestic sewage treatment system comprising:
the sewage disposal system comprises a pretreatment module, a post-treatment module and a sewage disposal main pipe;
the pretreatment module comprises a plurality of pretreatment units which are arranged in a distributed manner, each pretreatment unit is arranged close to the sewage source, the pretreatment units are used for carrying out preliminary impurity filtering pretreatment on the sewage of the sewage source, and the sewage discharge ends of the pretreatment units are communicated with the sewage discharge main pipe;
the post-treatment module is used for intensively treating the pretreatment sewage discharged by the pretreatment unit, and is communicated with one end of the sewage main pipe, which is far away from the pretreatment unit.
By arranging the pretreatment module and the post-treatment module, and the pretreatment units of the pretreatment module are arranged close to the sewage source in a dispersed manner, the problem of troublesome maintenance caused by direct on-site independent treatment is avoided, the maintenance pressure can be reduced, and simultaneously, the blockage of a sewage channel can be avoided; the pretreatment unit is used for carrying out preliminary treatment on sewage, the subsequent advanced treatment process of the sewage is completed by the post-treatment module, and the treatment efficiency and the treatment effect of the sewage can be ensured, so that the advantages of independent treatment and centralized treatment can be combined and utilized through the pretreatment process of the pretreatment module and the post-treatment process of the post-treatment module, the treatment operation effect of the domestic sewage treatment system in the prior art is improved, and the problems that the effect is poor due to independent treatment of the sewage in the prior art and the conveying pipeline is easy to block due to centralized treatment are solved.
Preferably, the pretreatment unit comprises a water collecting well, a coarse mesh grid arranged in the water collecting well and a sewage pump arranged in the water collecting well, wherein the output end of the sewage pump is communicated with the sewage main pipe, and the water inlet end of the water collecting well is communicated with the sewage source.
Preferably, the sewage source comprises a toilet sewage net and a kitchen sewage net, the water inlet ends of the water collecting wells are communicated with the sewage draining ends of the toilet sewage net and the kitchen sewage net, and the water collecting wells are arranged close to the toilet sewage net and the kitchen sewage net.
Preferably, the sewage source further comprises a septic tank which is directly communicated with the water inlet end of the water collecting well or is arranged between the toilet sewage net and the water collecting well.
Preferably, the pretreatment module further comprises a sand sedimentation tank which is arranged close to the pretreatment unit, the water inlet end of the sand sedimentation tank is communicated with the sewage discharge end of the pretreatment unit, and the sewage discharge end of the sand sedimentation tank is communicated with the water inlet end of the post-treatment module.
Preferably, the post-treatment module comprises an anaerobic tank, an anoxic tank and an aerobic tank which are sequentially communicated, wherein the water inlet end of the anaerobic tank is communicated with the sewage discharge end of the sewage discharge main pipe.
Preferably, the post-treatment module further comprises a blower and an aeration structure arranged in the aerobic tank, and the aeration structure is communicated with the air outlet end of the blower.
Preferably, the post-treatment module further comprises a secondary sedimentation tank, wherein the water inlet end of the secondary sedimentation tank is communicated with the water outlet end of the aerobic tank, and the secondary sedimentation tank comprises a sewage discharge end which is arranged in the middle of the secondary sedimentation tank and is communicated with the sewage discharge main pipe.
Preferably, the post-treatment module further comprises a dehydration chamber for dehydrating the sludge, and the secondary sedimentation tank further comprises a sludge discharge end which is arranged at the bottom position of the secondary sedimentation tank and is communicated with the dehydration chamber.
Preferably, the post-treatment module further comprises a disinfection tank for disinfecting clean water, and the secondary sedimentation tank further comprises a clean water discharge end which is arranged at the top position of the secondary sedimentation tank and is communicated with the disinfection tank.
The utility model has the beneficial effects that:
the utility model can effectively combine the decentralized treatment and the centralized treatment of sewage, can lighten the operation and maintenance pressure, simultaneously reduce the range of influence of blockage when the blockage phenomenon occurs, and can also intensively and deeply treat the sewage to ensure the sewage treatment effect.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present utility model.
Reference numerals illustrate:
100-pretreatment module, 10-pretreatment unit, 101-water collecting well, 102-coarse screen grid, 103-sewage pump, 11-toilet sewage net, 12-kitchen sewage net, 13-septic tank, 14-pollution discharge branch pipe, 15-sand settling tank, 200-post-treatment module, 21-blower, 22-aeration structure, 23-secondary sedimentation tank, 24-dehydration room, 25-disinfection tank and 3-pollution discharge main pipe.
Detailed Description
The present utility model will be described in further detail with reference to examples and drawings, but embodiments of the present utility model are not limited thereto.
In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "longitudinal", "lateral", "horizontal", "inner", "outer", "front", "rear", "top", "bottom", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present utility model and for simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be construed as limiting the present utility model.
In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "configured," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
The utility model is described in detail below by reference to the attached drawings and in connection with the embodiments:
as shown in fig. 1, the present embodiment provides a domestic sewage treatment system, including:
a pretreatment module 100, a post-treatment module 200 and a sewage main pipe 3;
the pretreatment module 100 comprises a plurality of pretreatment units 10 which are arranged in a dispersed manner, each pretreatment unit 10 is arranged close to a sewage source, the pretreatment unit 10 is used for carrying out preliminary impurity filtering pretreatment on sewage of the sewage source, and the sewage discharge ends of the pretreatment units 10 are communicated with the sewage discharge main pipe 3;
the post-treatment module 200 is used for intensively treating the pretreated sewage discharged from the pretreatment unit 10, and the post-treatment module 200 is communicated with one end of the main sewage pipe 3 far away from the pretreatment unit 10.
By arranging the pretreatment module 100 and the post-treatment module 200, and the pretreatment units 10 of the pretreatment module 100 are arranged near the sewage source in a dispersed manner, the problem of troublesome maintenance caused by direct on-site independent treatment is avoided, the maintenance pressure can be reduced, and the blockage of a sewage channel can be avoided; the pretreatment unit 10 is used for primarily treating sewage, the subsequent advanced treatment process of the sewage is completed by the post-treatment module 200, so that the treatment efficiency and the treatment effect of the sewage can be ensured, and therefore, the advantages of separate treatment and centralized treatment can be combined and utilized through the pretreatment process of the pretreatment module 100 and the post-treatment process of the post-treatment module 200, thereby improving the treatment operation effect of the domestic sewage treatment system in the prior art, and solving the problems that the effect is poor due to separate treatment of the sewage and the conveying pipeline is easy to block due to centralized treatment in the prior art.
In a preferred exemplary embodiment, the pretreatment unit 10 comprises a water collection well 101, a coarse screen grid 102 arranged in the water collection well 101, and a sewage pump 103 arranged in the water collection well 101, wherein the output end of the sewage pump 103 is communicated with the sewage main pipe 3, and the water inlet end of the water collection well 101 is communicated with a sewage source. The coarse mesh grid 102 in this embodiment is provided with two layers, so that the filtering effect can be improved, and the coarse mesh grid 102 can filter clustered dirt and avoid blocking the travelling channel of the sewage.
In a preferred exemplary embodiment, the sewage source comprises a toilet sewage net 11 and a kitchen sewage net 12, the water inlet ends of the water collection well 101 are communicated with the sewage ends of the toilet sewage net 11 and the kitchen sewage net 12, and the water collection well 101 is disposed close to the toilet sewage net 11 and the kitchen sewage net 12. In this embodiment, the sewage draining end of the kitchen sewage net 12 is further provided with a filter net for filtering kitchen waste in kitchen sewage.
In a preferred example embodiment, the sewage source further comprises a septic tank 13, the septic tank 13 being in direct communication with the water intake end of the water collection well 101 or being arranged between the toilet sewage net 11 and the water collection well 101. In this embodiment, as shown in fig. 1, the septic tank 13 is disposed between the toilet sewage net 11 and the water collecting well 101, and its water inlet pipe and sewage discharge end are respectively communicated with the toilet sewage net 11 and the water collecting well 101.
In a preferred exemplary embodiment, the pretreatment module 100 further includes a sand basin 15 disposed adjacent to the pretreatment unit 10, the water inlet end of the sand basin 15 being in communication with the blowdown end of the pretreatment unit 10, the blowdown end of the sand basin 15 being in communication with the water inlet end of the post-treatment module 200. By providing the sand sedimentation tank 15, it is possible to perform concentrated sand sedimentation treatment on the sewage discharged from the pretreatment unit 10, and to concentrate the sewage to the post-treatment module 200 for advanced treatment after the sand sedimentation treatment. In some preferred example embodiments, both the water inlet end and the water outlet end of the grit chamber 15 are provided with fine mesh grids; in some preferred embodiments, the mesh size of the fine mesh grid provided at the water outlet end of the sand basin 15 is smaller than the mesh size of the fine mesh grid provided at the water inlet end of the sand basin 15.
Specifically, as shown in fig. 1, the post-treatment module 200 includes an anaerobic tank, an anoxic tank and an aerobic tank which are sequentially communicated, and the water inlet end of the anaerobic tank is communicated with the sewage draining end of the sewage draining main pipe 3.
Specifically, the post-treatment module 200 further includes a blower 21 and an aeration structure 22 disposed in the aerobic tank, where the aeration structure 22 is communicated with an air outlet end of the blower 21. The aeration structure 22 and the blower 21 in this embodiment are conventional, and are not described in detail herein.
In a preferred example embodiment, a return pipe is also arranged between the anoxic tank and the aerobic tank for feeding part of the oxygenated sewage in the aerobic tank into the anoxic tank.
Specifically, the post-treatment module 200 further includes a secondary sedimentation tank 23, the water inlet end of the secondary sedimentation tank 23 is communicated with the water discharge end of the aerobic tank, and the secondary sedimentation tank 23 includes a sewage discharge end disposed in the middle position thereof and communicated with the sewage main pipe 3.
In a preferred exemplary embodiment, the post-treatment module 200 further includes a dewatering space 24 for dewatering sludge, and the secondary sedimentation tank 23 further includes a sludge discharge end disposed at a bottom position thereof and communicating with the dewatering space 24. By providing the dewatering room 24, the sludge in the secondary sedimentation tank 23 can be dewatered, the dewatered sludge cake can be used as a raw material of the compound fertilizer, and sewage generated in the dewatering process is treated in the anaerobic tank again.
Specifically, the post-treatment module 200 further includes a sterilizing tank 25 for sterilizing clean water, and the secondary sedimentation tank 23 further includes a clean water discharge end disposed at a top position thereof and communicating with the sterilizing tank 25. The clean water discharged from the clean water discharge end can be directly discharged or used as greening water.
It is to be understood that the above embodiments are merely illustrative of the application of the principles of the present utility model, but not in limitation thereof. Various modifications and improvements may be made by those skilled in the art without departing from the spirit and substance of the utility model, and are also considered to be within the scope of the utility model.
Claims (10)
1. Domestic sewage treatment system, its characterized in that includes:
a pretreatment module (100), a post-treatment module (200) and a sewage main pipe (3);
the pretreatment module (100) comprises a plurality of pretreatment units (10) which are arranged in a dispersed manner, each pretreatment unit (10) is arranged close to a sewage source, the pretreatment unit (10) is used for carrying out preliminary impurity filtering pretreatment on sewage of the sewage source, and the sewage discharge ends of the pretreatment units (10) are communicated with the sewage discharge main pipe (3);
the post-treatment module (200) is used for intensively treating the pretreated sewage discharged by the pretreatment unit (10), and the post-treatment module (200) is communicated with one end of the sewage main pipe (3) far away from the pretreatment unit (10).
2. The domestic sewage treatment system according to claim 1, wherein the pretreatment unit (10) comprises a water collecting well (101) and a coarse screen grid (102) arranged in the water collecting well (101), and a sewage pump (103) arranged in the water collecting well (101), wherein an output end of the sewage pump (103) is communicated with the sewage main pipe (3), and a water inlet end of the water collecting well (101) is communicated with a sewage source.
3. The domestic sewage treatment system according to claim 2, wherein the sewage source comprises a toilet sewage network (11) and a kitchen sewage network (12), the water inlet ends of the water collecting well (101) are communicated with the sewage discharge ends of the toilet sewage network (11) and the kitchen sewage network (12), and the water collecting well (101) is arranged close to the toilet sewage network (11) and the kitchen sewage network (12).
4. A domestic sewage treatment system according to claim 3, wherein the sewage source further comprises a septic tank (13), the septic tank (13) being in direct communication with the water intake end of the water collection well (101) or being arranged between the toilet sewage network (11) and the water collection well (101).
5. The domestic sewage treatment system according to claim 1, wherein the pretreatment module (100) further comprises a sand sedimentation tank (15) arranged close to the pretreatment unit (10), the water inlet end of the sand sedimentation tank (15) is communicated with the sewage discharge end of the pretreatment unit (10), and the sewage discharge end of the sand sedimentation tank (15) is communicated with the water inlet end of the post-treatment module (200).
6. The domestic sewage treatment system according to claim 1, wherein the post-treatment module (200) comprises an anaerobic tank, an anoxic tank and an aerobic tank which are sequentially communicated, and the water inlet end of the anaerobic tank is communicated with the sewage discharge end of the main sewage discharge pipe (3).
7. The domestic sewage treatment system according to claim 6, wherein the post-treatment module (200) further comprises a blower (21) and an aeration structure (22) arranged in the aerobic tank, and the aeration structure (22) is communicated with an air outlet end of the blower (21).
8. The domestic sewage treatment system according to claim 6, wherein the post-treatment module (200) further comprises a secondary sedimentation tank (23), the water inlet end of the secondary sedimentation tank (23) is communicated with the water outlet end of the aerobic tank, and the secondary sedimentation tank (23) comprises a sewage discharge end which is arranged at the middle position of the secondary sedimentation tank and is communicated with the sewage main pipe (3).
9. The domestic sewage treatment system according to claim 8, wherein the post-treatment module (200) further comprises a dewatering room (24) for dewatering sludge, and the secondary sedimentation tank (23) further comprises a sludge discharge end provided at a bottom position thereof and communicating with the dewatering room (24).
10. The domestic sewage treatment system according to claim 8, wherein the post-treatment module (200) further comprises a disinfection tank (25) for disinfecting the fresh water, and wherein the secondary sedimentation tank (23) further comprises a fresh water discharge end arranged at a top position thereof and in communication with the disinfection tank (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321387073.1U CN219991373U (en) | 2023-06-02 | 2023-06-02 | Domestic sewage treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321387073.1U CN219991373U (en) | 2023-06-02 | 2023-06-02 | Domestic sewage treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219991373U true CN219991373U (en) | 2023-11-10 |
Family
ID=88605158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321387073.1U Active CN219991373U (en) | 2023-06-02 | 2023-06-02 | Domestic sewage treatment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219991373U (en) |
-
2023
- 2023-06-02 CN CN202321387073.1U patent/CN219991373U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 610000 No. 121, floor 1, unit 2, building 10, Longzhao community, Wuhou District, Chengdu, Sichuan Patentee after: Sichuan Zhengweihe Environmental Protection Technology Co.,Ltd. Address before: 610000 No. 121, floor 1, unit 2, building 10, Longzhao community, Wuhou District, Chengdu, Sichuan Patentee before: Sichuan Zhengweihe Environmental Protection Engineering Co.,Ltd. |