CN209815914U - Single-family rural domestic sewage biochemical treatment tank - Google Patents
Single-family rural domestic sewage biochemical treatment tank Download PDFInfo
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- CN209815914U CN209815914U CN201920476503.4U CN201920476503U CN209815914U CN 209815914 U CN209815914 U CN 209815914U CN 201920476503 U CN201920476503 U CN 201920476503U CN 209815914 U CN209815914 U CN 209815914U
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Abstract
Rural domestic sewage biochemical treatment groove of single household type, including grid anaerobism pond, good oxygen pond, biological filter that connect gradually and add the medicine sedimentation tank, the bottom in grid anaerobism pond is equipped with the anaerobism and filters the draw-in groove, be equipped with in the grid anaerobism pond vertically wear to locate in the anaerobism filters the draw-in groove and with the grid hand-basket of anaerobism filter card groove intercommunication, the upper end salient of grid hand-basket just is the closed form in the anaerobism filter card groove, the circumference outside that just is located the grid hand-basket in the anaerobism filter card groove is equipped with the anaerobism filter material, the middle part is equipped with good oxygen filter card groove and is equipped with good oxygen filter material in good oxygen filter card groove in the good oxygen pond, good oxygen filter card groove's below is equipped with aeration equipment, the. The single-family rural domestic sewage biochemical treatment tank is suitable for small-family rural domestic sewage, solid-waste separation can be realized, sewage treatment can be recycled, and nitrogen and phosphorus removal is more efficient.
Description
Technical Field
The utility model belongs to the technical field of environmental treatment, especially a rural domestic sewage biochemical treatment groove of single household type.
Background
Along with the continuous acceleration of the urbanization process of China, the living standard of people in rural areas is continuously improved, the water consumption is gradually increased, and meanwhile, the discharge amount of rural domestic sewage is also gradually increased. If no corresponding sewage treatment system is used for treating the rural domestic sewage, a large amount of nutrients such as nitrogen, phosphorus and the like, pesticides and other organic matters are directly discharged into ditches, rivers and lakes, so that the algae in the water body can obtain rich nutrition and grow rapidly, the water body is seriously anoxic, the water quality is deteriorated, and the phenomenon of black and odorous water is generated, which causes great harm to the ecological environment and the human health. Therefore, the construction of a matched rural sewage treatment system is very important, and the method is also a key step for preventing natural water body pollution and preventing black and odorous phenomena.
Nitrogen and phosphorus are always recognized pollutants which are difficult to treat, the surrounding water body is seriously damaged due to the over-high content of the nitrogen and the phosphorus, the eutrophication of the water body is caused, and the rural domestic sewage is dispersed, the water quality components are complex, and the nitrogen and the phosphorus treatment is very difficult. At present, the rural domestic sewage treatment generally adopts A/O integrated buried equipment, the nitrogen and phosphorus removal is not ideal and the operation and management are difficult. Meanwhile, the existing integrated underground equipment is mainly used for integrated treatment equipment with multiple households and large tonnage, the minimum scale is about 5 tons/day generally, and the requirement of distributed treatment in rural areas cannot be met.
The traditional integrated underground equipment can not meet the requirement of decentralized treatment in rural areas, and has unsatisfactory denitrification and dephosphorization effects and incomplete sewage circulation treatment.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a single household rural domestic sewage biochemical treatment tank that is fit for the decentralized processing demand in rural area to solve above-mentioned problem.
A single-family rural domestic sewage biochemical treatment tank comprises a grating anaerobic tank, an aerobic tank, a biological filter and a dosing sedimentation tank which are connected in sequence, wherein an anaerobic filtering clamping groove is formed in the bottom of the grating anaerobic tank, a grating lifting basket which vertically penetrates through the anaerobic filtering clamping groove and is communicated with the anaerobic filtering clamping groove is arranged in the grating anaerobic tank, the upper end of the grating lifting basket protrudes out of the anaerobic filtering clamping groove and is in a closed shape, anaerobic filter materials are arranged in the anaerobic filtering clamping groove and on the circumferential outer side of the grating lifting basket, an aerobic filtering clamping groove is formed in the middle of the aerobic tank, aerobic filter materials are arranged in the aerobic filtering clamping groove, an aeration device is arranged below the aerobic filtering clamping groove, a biological filtering clamping groove is formed in the middle of the biological filter tank, biological filter materials are arranged in the biological filtering clamping groove, the bottom of the biological filter is communicated with the bottom of the aerobic tank, and a mixed liquid reflux device is arranged between the dosing sedimentation tank and the grid anaerobic tank.
Furthermore, a water inlet pipe communicated with the upper end of the grid lifting basket penetrates through the grid anaerobic tank.
Further, mixed liquid reflux unit includes a back flow to and the intake pipe one of being connected with the back flow, the one end of back flow sets up in the bottom that adds the medicine sedimentation tank, and the other end of back flow is connected in anaerobism filter card groove top and is located the outside of grid hand-basket.
Furthermore, the aeration device comprises at least one aeration pipe arranged at the bottom of the aerobic tank and a second air inlet pipe connected with the aeration pipe and one end of which extends to the outer side of the aerobic tank.
Furthermore, the first air inlet pipe and the second air inlet pipe are both connected with a fan.
Furthermore, a first flow guide channel is arranged in the aerobic tank, one end of the first flow guide channel is connected with the side wall of the upper end of the grid anaerobic tank, and the other end of the first flow guide channel is connected with the aerobic filter clamping groove.
Furthermore, a second flow guide channel is arranged in the biological filter, one end of the second flow guide channel is connected with the side wall of the upper end of the aerobic tank, and the other end of the second flow guide channel is connected with the biological filter clamping groove.
Furthermore, a conical barrel precipitation tank is arranged at the bottom of the dosing precipitation tank.
Further, be equipped with a draft tube in the medicine sedimentation tank, the one end and the biological filtration draw-in groove upper end lateral wall of draft tube are connected, and the other end sets up in the awl section of thick bamboo sedimentation tank.
Furthermore, the side wall of the upper end of the dosing sedimentation tank is connected with an overflow trough connected with the outside.
Compared with the prior art, the utility model provides a rural domestic sewage biochemical treatment groove of single household type has following several advantages:
1. the single-family rural domestic sewage biochemical treatment tank is simple in structure, light in facility and easy to disassemble and maintain.
2. The single-family rural domestic sewage biochemical treatment tank is suitable for decentralized rural domestic sewage treatment and meets the 1-2 family rural domestic sewage treatment standard.
3. The single-family rural domestic sewage biochemical treatment tank has higher removal rate on COD, ammonia nitrogen, total phosphorus and suspended matters, and has better sewage recycling treatment effect.
Drawings
FIG. 1 is a schematic plan view of the biochemical treatment tank for rural domestic sewage of single household.
FIG. 2 is a side view of the biochemical treatment tank for single household rural domestic sewage.
In the figure, 1, a grid anaerobic tank; 11. an anaerobic filter clamping groove; 12. anaerobic filter materials; 13. a grid basket; 2. an aerobic tank; 21. an aerobic filtering clamping groove; 22. aerobic filtering; 23. a first flow guide channel; 3. a biological filter; 31. a biological filtration card slot; 32. biological filter materials; 33. a second flow guide channel; 4. a dosing sedimentation tank; 41. a dosing container; 42. a conical barrel settling tank; 43. a draft tube; 5. an aeration device; 51. an aeration pipe; 52. a second air inlet pipe; 6. a mixed liquid reflux device; 61. a return pipe; 62. a first air inlet pipe; 7. a water inlet pipe; 8. a fan; 9. an overflow trough.
Detailed Description
Specific examples of the present invention will be described in further detail below. It should be understood that the description herein of embodiments of the invention is not intended to limit the scope of the invention.
As shown in fig. 1-2, the single-family rural domestic sewage biochemical treatment tank comprises a grating anaerobic tank 1, an aerobic tank 2, a biological filter 3 and a dosing sedimentation tank 4 which are connected in sequence, wherein domestic sewage flows in the biochemical treatment tank in a plug-flow manner, an anaerobic filtering clamping groove 11 is arranged at the bottom of the grating anaerobic tank 1, a grating basket 13 which is vertically arranged in the anaerobic filtering clamping groove 11 in a penetrating manner and is communicated with the anaerobic filtering clamping groove 11 is arranged in the grating anaerobic tank 1, the upper end of the grating basket 13 protrudes out of the anaerobic filtering clamping groove 11 and is in a closed shape, and a water inlet pipe 7 which is communicated with the upper end of the grating basket 13 is arranged in the grating anaerobic tank 1 in a penetrating manner.
Through inlet tube 7, in leading-in grid hand-basket 13 to the grid anaerobism pond 1 of domestic sewage, the bottom and the anaerobism of grid hand-basket 13 filter the draw-in groove 11 and communicate with each other, liquid outflows to the anaerobism in filtering the draw-in groove 11, and solid waste remains in grid hand-basket 13, accomplishes the back at biochemical treatment groove domestic sewage, can take out grid hand-basket 13, carries out further processing to solid waste.
Anaerobic filter materials 12 are arranged in the anaerobic filter clamping groove 11 and on the outer side of the periphery of the grating lifting basket 13.
Domestic sewage flows out to the anaerobic filter clamping groove 11 and is primarily filtered by the anaerobic filter material 12.
The structure ensures that the domestic sewage is fully contacted with the anaerobic filter material 12 in the anaerobic filter clamping groove 11, and the purification effect is high.
A first flow guide channel 23 is arranged in the aerobic tank 2, one end of the first flow guide channel 23 is connected with the side wall of the upper end of the grid anaerobic tank 1, and the other end of the first flow guide channel 23 is connected with the aerobic filter clamping groove 21.
An aerobic filter clamping groove 21 is arranged in the middle of the aerobic tank 2, and an aerobic filter material 22 is arranged in the aerobic filter clamping groove 21.
After the domestic sewage is filtered by the anaerobic filter material 12, the water level rises, the domestic sewage after primary filtration is guided into the aerobic filter clamping groove 21 in the aerobic tank 2 through the first diversion channel 23, and is filtered again through the aerobic filter material 22.
An aeration device 5 is arranged below the aerobic filter clamping groove 21. The aeration device 5 comprises at least one aeration pipe 51 arranged at the bottom of the aerobic tank 2 and a second air inlet pipe 52 which is connected with the aeration pipe 51 and one end of which extends to the outer side of the aerobic tank 2.
The aeration device 5 is arranged to aerate domestic sewage in the oxygen tank, so that enough dissolved oxygen is obtained in the water body. By adopting a tubular aeration mode, high oxygen conversion rate can be kept, and the effects of mixing and stirring can be achieved. And a self-closing hole structure is adopted, so that the micropores are not blocked.
A second flow guide channel 33 is arranged in the biological filter 3, one end of the second flow guide channel 33 is connected with the side wall of the upper end of the aerobic tank 2, and the other end of the second flow guide channel 33 is connected with the biological filter clamping groove 31.
The middle part in the biological filter 3 is provided with a biological filter clamping groove 31, a biological filter material 32 is arranged in the biological filter clamping groove 31, and the bottom of the biological filter 3 is communicated with the bottom of the aerobic tank 2.
After the domestic sewage is filtered by the aerobic filter material 22, the water level rises, the domestic sewage is guided into the biological filter clamping groove 31 in the biological filter 3 through the second diversion channel 33, and the domestic sewage is filtered for the third time through the biological filter material 32.
The middle part of the aerobic tank 2 and the middle part of the biological filter 3 are respectively provided with an aerobic filter clamping groove 21 and a biological filter clamping groove 31, the structure can ensure that the domestic sewage can rapidly flow in the whole device, and the domestic sewage can be treated by two processes of an aerobic filter material 22 and a biological filter material 32.
A guide shell 43 is arranged in the dosing sedimentation tank 4, one end of the guide shell 43 is connected with the side wall of the upper end of the biological filtration clamping groove 31, and the other end of the guide shell is arranged in the conical sedimentation tank 42.
After the domestic sewage is filtered by the biological filter material 32, the sewage is guided into the dosing sedimentation tank 4 in the biological filter 3 through the guide cylinder 43.
The top of the dosing sedimentation tank 4 is provided with a dosing container 41. The chemical agent is added into the dosing sedimentation tank 4 to neutralize nitrogen and phosphorus elements in the domestic sewage, so that flocculent sediments are generated.
Through multiple filtration, the deep treatment is specially carried out on ammonia nitrogen, total phosphorus and the like.
The bottom of the dosing sedimentation tank 4 is provided with a cone sedimentation tank 42. The cone settling tank 42 is easy to settle, slightly stirs after standing for layering, and is not easy to get turbid.
And a mixed liquid reflux device 6 is arranged between the dosing sedimentation tank 4 and the grid anaerobic tank 1.
The mixed liquid reflux device 6 comprises a reflux pipe 61 and a first air inlet pipe 62 connected with the reflux pipe 61, one end of the reflux pipe 61 is arranged at the bottom of the dosing sedimentation tank 4, and the other end of the reflux pipe 61 is connected above the anaerobic filter clamping groove 11 and positioned outside the grating basket 13.
And the mixed liquid in the dosing sedimentation tank 4 flows back to the grating filter tank in a gas stripping and backflow mode, so that the domestic sewage is circularly treated.
The side wall of the upper end of the dosing sedimentation tank 4 is connected with an overflow trough 9 connected with the outside.
The first air inlet pipe 62 and the second air inlet pipe 52 are both connected with a fan 8.
The blower 8 and the pump for providing water flow power in the embodiment can be connected with the automatic control unit, so that the automatic control treatment of the domestic sewage is realized.
The above description is only for the preferred embodiment of the present invention and should not be construed as limiting the scope of the present invention, and any modification, equivalent replacement or improvement within the spirit of the present invention is encompassed by the claims of the present invention.
Claims (10)
1. The single-family rural domestic sewage biochemical treatment tank is characterized in that: comprises a grating anaerobic tank, an aerobic tank, a biological filter and a dosing sedimentation tank which are connected in sequence, wherein the bottom of the grating anaerobic tank is provided with an anaerobic filtering clamping groove, a grating basket vertically penetrating the anaerobic filtering clamping groove and communicated with the anaerobic filtering clamping groove is arranged in the grating anaerobic tank, the upper end of the grating lifting basket protrudes out of the anaerobic filtering clamping groove and is in a closed shape, anaerobic filtering materials are arranged in the anaerobic filtering clamping groove and on the circumferential outer side of the grating lifting basket, an aerobic filter clamping groove is arranged in the middle of the aerobic tank, aerobic filter materials are arranged in the aerobic filter clamping groove, an aeration device is arranged below the aerobic filter clamping groove, a biological filter clamping groove is arranged in the middle part of the biological filter tank, a biological filter material is arranged in the biological filter clamping groove, the bottom of the biological filter is communicated with the bottom of the aerobic tank, the top of the dosing sedimentation tank is provided with a dosing container, and a mixed liquid reflux device is arranged between the dosing sedimentation tank and the grid anaerobic tank.
2. The biochemical treatment tank for the rural domestic sewage of the single household type according to claim 1, characterized in that: and a water inlet pipe communicated with the upper end of the grid lifting basket penetrates through the grid anaerobic tank.
3. The biochemical treatment tank for the rural domestic sewage of the single household type according to claim 1, characterized in that: the mixed liquid backflow device comprises a backflow pipe and a first air inlet pipe connected with the backflow pipe, one end of the backflow pipe is arranged at the bottom of the dosing sedimentation tank, and the other end of the backflow pipe is connected to the upper portion of the anaerobic filtering clamping groove and located on the outer side of the grid lifting basket.
4. The biochemical treatment tank for the rural domestic sewage of the single household type according to claim 3, characterized in that: the aeration device comprises at least one aeration pipe arranged at the bottom of the aerobic tank and a second air inlet pipe connected with the aeration pipe and one end of which extends to the outer side of the aerobic tank.
5. The biochemical treatment tank for the rural domestic sewage of the single household type according to claim 4, characterized in that: and the first air inlet pipe and the second air inlet pipe are both connected with a fan.
6. The biochemical treatment tank for the rural domestic sewage of the single household type according to claim 1, characterized in that: the aerobic tank is internally provided with a first flow guide channel, one end of the first flow guide channel is connected with the side wall of the upper end of the grid anaerobic tank, and the other end of the first flow guide channel is connected with the aerobic filter clamping groove.
7. The biochemical treatment tank for the rural domestic sewage of the single household type according to claim 1, characterized in that: and a second diversion channel is arranged in the biological filter, one end of the second diversion channel is connected with the side wall of the upper end of the aerobic tank, and the other end of the second diversion channel is connected with the biological filter clamping groove.
8. The biochemical treatment tank for the rural domestic sewage of the single household type according to claim 1, characterized in that: the bottom of the dosing sedimentation tank is provided with a cone-shaped sedimentation tank.
9. The biochemical treatment tank for the rural domestic sewage of the single household type according to claim 8, characterized in that: the dosing sedimentation tank is internally provided with a guide cylinder, one end of the guide cylinder is connected with the side wall of the upper end of the biological filtration clamping groove, and the other end of the guide cylinder is arranged in the conical sedimentation tank.
10. The biochemical treatment tank for the rural domestic sewage of the single household type according to claim 1, characterized in that: the side wall of the upper end of the dosing sedimentation tank is connected with an overflow trough connected with the outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920476503.4U CN209815914U (en) | 2019-04-10 | 2019-04-10 | Single-family rural domestic sewage biochemical treatment tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920476503.4U CN209815914U (en) | 2019-04-10 | 2019-04-10 | Single-family rural domestic sewage biochemical treatment tank |
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| Publication Number | Publication Date |
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| CN209815914U true CN209815914U (en) | 2019-12-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920476503.4U Active CN209815914U (en) | 2019-04-10 | 2019-04-10 | Single-family rural domestic sewage biochemical treatment tank |
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| CN (1) | CN209815914U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111762887A (en) * | 2020-05-25 | 2020-10-13 | 宏升塑胶（杭州）有限公司 | Rural domestic sewage treatment system |
| CN112209568A (en) * | 2020-09-29 | 2021-01-12 | 国河环境研究院(南京)有限公司 | Landscape type domestic sewage ecological treatment integrated facility and treatment method thereof |
-
2019
- 2019-04-10 CN CN201920476503.4U patent/CN209815914U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111762887A (en) * | 2020-05-25 | 2020-10-13 | 宏升塑胶（杭州）有限公司 | Rural domestic sewage treatment system |
| CN111762887B (en) * | 2020-05-25 | 2023-02-14 | 宏升塑胶（杭州）有限公司 | Rural area domestic sewage treatment system |
| CN112209568A (en) * | 2020-09-29 | 2021-01-12 | 国河环境研究院(南京)有限公司 | Landscape type domestic sewage ecological treatment integrated facility and treatment method thereof |
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