CN212924722U - Rural household toilet sewage treatment device - Google Patents
Rural household toilet sewage treatment device Download PDFInfo
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- CN212924722U CN212924722U CN202020833398.8U CN202020833398U CN212924722U CN 212924722 U CN212924722 U CN 212924722U CN 202020833398 U CN202020833398 U CN 202020833398U CN 212924722 U CN212924722 U CN 212924722U
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Abstract
The utility model provides a rural household toilet sewage treatment device. The rural household toilet sewage treatment device comprises a treatment box, and a primary anaerobic zone, a secondary anaerobic zone, an aerobic zone, a sedimentation zone and a reuse zone in the treatment box; a water inlet is formed in the top surface of the primary anaerobic zone, and a primary water outlet is formed in the side wall of the secondary anaerobic zone; a secondary water outlet is formed in the side wall of the secondary anaerobic zone close to the aerobic zone; an aeration device and a suspended filler are arranged in the aerobic zone, and an aerobic water outlet is arranged on the side wall close to the settling zone; a plurality of inclined plates which are parallel to each other are arranged in the sedimentation area, and a sedimentation water outlet is arranged on the side wall close to the reuse area; the recycling area is internally provided with a recycling pump, the drainage end of the recycling pump is connected with a pipeline which penetrates to the outside of the treatment box, and the side wall which is not close to the settling area is provided with an overflow port. The utility model provides a rural house lavatory sewage treatment plant has solved the problem that prior art's rural lavatory sewage treatment device can not reach the retrieval and utilization standard.
Description
Technical Field
The utility model relates to a sewage treatment field, concretely relates to rural house lavatory sewage treatment plant.
Background
The sanitary condition of the toilet is directly related to the health and environmental conditions of people, the actual condition of changing the rural toilet into the real condition is gradually mature since the work of changing the rural toilet into the real condition is developed, the toilet changing mode is gradually formed, the sanitary condition of the rural toilet is obviously improved, and the life quality of farmers is obviously improved. With the promotion of rural toilet improvement and the progress of beautiful rural projects, the water-flushing toilet is popularized. But the sewage quantity in rural areas is greatly increased, especially the sewage in toilets. Aiming at the problem, the integrated sewage treatment equipment which is short in process flow, low in capital construction and operation cost, good and stable in water outlet effect and convenient in later-stage pipe maintenance is adopted for treatment, and the sewage in the toilets of farmers is collected, treated and reused for flushing the toilets, so that the integrated sewage treatment equipment has very important significance for realizing the resource treatment of the rural sewage, improving the current situation of the rural water environment and improving the living environment of rural people. However, the conventional three-grid septic tank only carries out preliminary anaerobic treatment on the toilet flushing wastewater, and the treated water needs to be discharged into a sewer for centralized biochemical treatment or is connected into a biochemical treatment unit on site, so that the standard for toilet flushing recycling cannot be met.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem that the rural toilet sewage treatment equipment in the prior art can not reach the recycling standard, the utility model provides a rural household toilet sewage treatment device which solves the problem.
A rural household toilet sewage treatment device comprises a treatment box, wherein the interior of the treatment box is sequentially partitioned into a primary anaerobic zone, a secondary anaerobic zone, an aerobic zone, a settling zone and a recycling zone by a plurality of parallel partition plates; a water inlet is formed in the top surface of the primary anaerobic zone, and a primary water outlet penetrating through the side wall is formed in the position, close to the top, of the side wall of the secondary anaerobic zone; a secondary water outlet penetrating through the side wall is formed in the position, close to the bottom, of the side wall of the secondary anaerobic zone, close to the bottom of the aerobic zone; an aeration device and a suspended filler are arranged in the aerobic zone, and an aerobic water outlet penetrating through the side wall is arranged at a position close to the top of the side wall of the settling zone; a plurality of inclined plates which are parallel to each other are arranged at the bottom in the sedimentation area, and a sedimentation water outlet which penetrates through the side wall is arranged at the position, close to the top, of the side wall of the reuse area; the recycling area is internally provided with a recycling pump, the drainage end of the recycling pump is connected with a pipeline, the top of the treatment box penetrates out of the treatment box, and an overflow port penetrating through the side wall is arranged at the position, close to the top, of any side wall of the settling area and not close to the top.
The utility model provides a rural house lavatory sewage treatment plant's a preferred embodiment, be equipped with the pipeline intercommunication in the one-level outlet the one-level anaerobic zone the second grade anaerobic zone, the pipeline leans on the one end downwardly extending in one-level anaerobic zone the one-level anaerobic zone bottom.
Be equipped with the pipeline intercommunication in the good oxygen outlet good oxygen district the settling zone, the pipeline leans on the one end downwardly extending of settling zone is pressed close to the settling zone bottom the swash plate.
The heights of the primary water outlet and the aerobic water outlet are the same, and the heights of the aerobic water outlet, the sedimentation water outlet and the overflow port are sequentially increased.
In a preferred embodiment of the sewage treatment device for rural household toilets provided by the utility model, a mixed liquid reflux mechanism is further arranged between the aerobic zone and the secondary anaerobic zone; and a sludge backflow mechanism is also arranged between the settling zone and the primary anaerobic zone.
The utility model provides a rural house lavatory sewage treatment plant in a preferred embodiment, aeration equipment is including being responsible for, aeration dish, the top of being responsible for runs through the top to the outside in aerobic zone, the bottom is connected aeration dish, aeration dish is hollow disc, its inside in top surface central authorities with be responsible for the intercommunication, be equipped with a large amount of aeration holes around the top surface.
A plurality of the suspended fillers are suspended on the top surface in the aerobic zone through the same rope; the multiple groups of the suspended fillers are arranged in a circular or concentric circle by taking the aeration device as the center of a circle.
In the utility model, in a preferred embodiment of the sewage treatment device for rural domestic toilets, the top of each area partitioned by the partition plate in the treatment tank is provided with a trap door.
In a preferred embodiment of the sewage treatment device for rural household toilets provided by the utility model, the effective volume of the treatment box is 1.5-1.8m3The effective volume of the first-stage anaerobic zone is 0.4-0.5m3The effective volume of the secondary anaerobic zone is 0.1-0.15m3The effective volume of the aerobic zone is 0.4-0.5m3Said settling zone having an effective volume of about 0.3 to about 0.35m3The effective volume of the recycling area is 0.2-0.3m3. The treatment box is cubic, and the length is less than or equal to 2 meters, and the height is less than or equal to 1.3 meters.
Compared with the prior art, the utility model provides a rural family lavatory sewage treatment plant has adopted the structural design who is fit for rural single family to use, has guaranteed the convenience of good operational effect and transportation simultaneously, and the pit excavation degree of depth is no more than two meters during the installation. The occupied space is small, and the main effluent indexes (COD and BOD 5) can reach GB18918-2002 first-grade B standard or local standard domestic sewage discharge standard, and can be directly recycled to toilet flushing or used as farmyard manure. The device has simple principle, convenient operation and maintenance and small required workload, and belongs to fool operation.
Drawings
FIG. 1 is a sectional view of the sewage treatment device for rural household toilets provided by the utility model.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely 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.
Please refer to fig. 1, which is a cross-sectional view of a sewage treatment device 1 for rural household toilets provided by the present invention, comprising a treatment tank 11 and a partition plate 12. The treatment box 11 is a cubic structure with the length of 2000mm, the width of 800mm and the height of 1200mm, and the actual internal volume is about 1.8m3. The inner part of the anaerobic tank is provided with the baffle plates 12 at the positions of 600mm, 170mm, 500mm, 430mm and 300mm in sequence from one end in the length direction, thereby separating the anaerobic tank into a primary anaerobic zone 2 and a secondary anaerobic zoneZone 3, aerobic zone 4, settling zone 5, and recycling zone 6. The top of each treatment area is provided with a trap door 7, and the top of the primary anaerobic area 2 is also provided with a water inlet and an air outlet (not shown in the drawing).
The first-stage anaerobic zone 2 is provided with a first-stage water outlet penetrating through the side wall at a position close to the top of the side wall of the second-stage anaerobic zone 3, anaerobic pipelines 21 communicating the treatment zones at two sides are arranged in the water outlet, and one end of each pipeline close to the first-stage anaerobic zone 2 extends downwards to the bottom.
And a secondary water outlet penetrating through the side wall is arranged at the position, close to the bottom, of the side wall of the aerobic zone 4, of the secondary anaerobic zone 3. An aeration device 41 and a suspended filler 42 are arranged in the aerobic zone 4. The aeration apparatus 41 includes a main pipe 43 vertically disposed and an aeration plate 44 disposed at a bottom end thereof. The top end of the main pipe 43 penetrates the treatment tank 11 and is connected to a pressurizing device. The aeration plate 44 is a hollow disc, the center of the top surface thereof is connected to the bottom end of the main pipe 43, so that the inside thereof is communicated with the inside of the main pipe 2, and a large number of aeration holes are formed around the top surface thereof. Four sets of the floating packings 42 are arranged around the main pipe 43, each set including seven of the floating packings 42 suspended from the same rope.
The aerobic zone 4 is provided with an aerobic water outlet penetrating through the side wall at a position close to the top of the side wall of the settling zone 5, and the height of the primary water outlet is the same as that of the aerobic water outlet. An aerobic pipeline 52 communicated with the treatment areas at two sides is arranged in the aerobic drainage port, one end of the pipeline close to the sedimentation area 5 extends downwards to the bottom, and a plurality of PVC inclined plates 51 which are parallel to each other are arranged at the bottom below the pipeline, so that the inclined plate sedimentation effect is formed. And a settling and water draining port penetrating through the side wall is arranged at the position, close to the top, of the side wall of the reuse area 6.
A recycling pump 61 is arranged in the recycling area 6, the water discharging end of the recycling area is connected with a pipeline, and the top of the recycling area 6 penetrates to the outside of the treatment box 11. An overflow port penetrating through the side wall is arranged on the side wall of one side of the sedimentation zone 5, which is far away from the sedimentation zone, and the position of the side wall is close to the top. The heights of the aerobic water outlet, the sedimentation water outlet and the overflow port are increased in sequence.
In addition, a backflow mechanism of mixed liquid can be arranged between the aerobic zone 4 and the secondary anaerobic zone 3 according to the situation, and a backflow port is arranged above the secondary water outlet and slightly lower than the primary water outlet; optionally, a sludge return mechanism may be provided between the bottom of the settling zone 5 and the primary anaerobic zone. Those skilled in the art can select a suitable backflow mechanism according to the circumstances, and the detailed description of the technical solution is omitted here.
In specific implementation, toilet drainage enters the primary anaerobic zone 2 from the water inlet, and excrement is collected and stored to perform primary anaerobic reaction; after one week of operation, special active bacteria are thrown to improve the anaerobic biological treatment effect, pathogenic microorganisms, viruses and parasitic ova in the sewage are reduced through acidification precipitation and anaerobic fermentation, so that the harmlessness of the excrement is realized, the sewage is subjected to anaerobic treatment to reduce pollutants, and the function of converting the excrement into solid suspended matters is realized.
The anaerobic pipeline 21 is arranged to avoid short flow of sewage, sewage at the lower part of the primary anaerobic zone 2 enters the secondary anaerobic zone 3 under the pressure of liquid level difference, and pollutants in the sewage are further degraded by utilizing the adsorption and decomposition effects of anaerobic microorganisms.
The sewage in the secondary anaerobic zone 3 goes in and out from the top and enters the aerobic zone 4 from the secondary anaerobic zone 3, and the organic matters in the sewage are removed by utilizing the adsorption and decomposition effects of aerobic microorganisms by combining the aeration device 41 and the suspended filler 42. If a mixed liquid reflux mechanism is arranged, the denitrification function can be further realized.
And sewage in the aerobic zone 4 enters from bottom to top, and enters the settling zone 5 from the aerobic zone 4 to remove suspended matters in the sewage. The aerobic conduit 52 is arranged to divert the sewage entering the settling zone to the lower part. The inclined plate 51 is arranged at the bottom of the sedimentation zone 5, so that the inclined plate sedimentation effect is formed. If a sludge backflow mechanism is arranged, the dephosphorization function is further realized.
The supernatant of the settling zone 5 enters the recycling zone 6, can be continuously recycled for flushing a toilet or led to a vegetable garden and a farmland to be used as farmyard manure, and the redundant sewage overflows to be discharged.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes made by the present specification can be changed, or directly or indirectly applied to other related technical fields, and all the same principles are included in the protection scope of the present invention.
Claims (10)
1. A rural household toilet sewage treatment plant which is characterized in that: comprises a treatment box, wherein the interior of the treatment box is sequentially partitioned into a primary anaerobic zone, a secondary anaerobic zone, an aerobic zone, a precipitation zone and a reuse zone by a plurality of mutually parallel partition plates; a water inlet is formed in the top surface of the primary anaerobic zone, and a primary water outlet penetrating through the side wall is formed in the position, close to the top, of the side wall of the secondary anaerobic zone; a secondary water outlet penetrating through the side wall is formed in the position, close to the bottom, of the side wall of the secondary anaerobic zone, close to the bottom of the aerobic zone; an aeration device and a suspended filler are arranged in the aerobic zone, and an aerobic water outlet penetrating through the side wall is arranged at a position close to the top of the side wall of the settling zone; a plurality of inclined plates which are parallel to each other are arranged at the bottom in the sedimentation area, and a sedimentation water outlet which penetrates through the side wall is arranged at the position, close to the top, of the side wall of the reuse area; the recycling area is internally provided with a recycling pump, the drainage end of the recycling pump is connected with a pipeline, the top of the treatment box penetrates out of the treatment box, and an overflow port penetrating through the side wall is arranged at the position, close to the top, of any side wall of the settling area and not close to the top.
2. The rural household toilet sewage treatment device of claim 1, which is characterized in that: and a pipeline is arranged in the first-stage water outlet and is communicated with the first-stage anaerobic zone and the second-stage anaerobic zone, and one end of the pipeline close to the first-stage anaerobic zone extends downwards to the bottom of the first-stage anaerobic zone.
3. The rural household toilet sewage treatment device of claim 1, which is characterized in that: be equipped with the pipeline intercommunication in the good oxygen outlet good oxygen district the settling zone, the pipeline leans on the one end downwardly extending of settling zone is pressed close to the settling zone bottom the swash plate.
4. The rural household toilet sewage treatment device of claim 1, which is characterized in that: the heights of the primary water outlet and the aerobic water outlet are the same, and the heights of the aerobic water outlet, the sedimentation water outlet and the overflow port are sequentially increased.
5. The rural household toilet sewage treatment device of claim 1, which is characterized in that: a mixed liquid reflux mechanism is also arranged between the aerobic zone and the secondary anaerobic zone; and a sludge backflow mechanism is also arranged between the settling zone and the primary anaerobic zone.
6. The rural household toilet sewage treatment device of claim 1, which is characterized in that: the aeration device comprises a main pipe and an aeration disc, wherein the top end of the main pipe penetrates through the top to the outside of the aerobic zone, the bottom end of the main pipe is connected with the aeration disc, the aeration disc is a hollow disc, the interior of the aeration disc is communicated with the main pipe in the center of the top surface, and a large number of aeration holes are formed in the periphery of the top surface.
7. The rural household toilet sewage treatment device of claim 1, which is characterized in that: a plurality of the suspended fillers are suspended on the top surface in the aerobic zone through the same rope; the multiple groups of the suspended fillers are arranged in a circular or concentric circle by taking the aeration device as the center of a circle.
8. The rural household toilet sewage treatment device of claim 1, which is characterized in that: the top of each area separated by the partition board in the treatment box is provided with a trap door.
9. The rural household toilet sewage treatment device according to any one of claims 1 to 8, characterized in that: the effective volume of the treatment box is 1.5-1.8m3The effective volume of the first-stage anaerobic zone is 0.4-0.5m3The effective volume of the secondary anaerobic zone is 0.1-0.15m3The effective volume of the aerobic zone is 0.4-0.5m3The effective volume of the settling zone is 0.3-0.35m3The effective volume of the recycling area is 0.2-0.3m3。
10. The rural household toilet sewage treatment device of claim 9, wherein: the treatment box is cubic, and the length is less than or equal to 2 meters, and the height is less than or equal to 1.3 meters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020833398.8U CN212924722U (en) | 2020-05-19 | 2020-05-19 | Rural household toilet sewage treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020833398.8U CN212924722U (en) | 2020-05-19 | 2020-05-19 | Rural household toilet sewage treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212924722U true CN212924722U (en) | 2021-04-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020833398.8U Active CN212924722U (en) | 2020-05-19 | 2020-05-19 | Rural household toilet sewage treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212924722U (en) |
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2020
- 2020-05-19 CN CN202020833398.8U patent/CN212924722U/en active Active
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