CN212356958U - Rural domestic sewage treatment system capable of realizing zero emission of pollutants - Google Patents
Rural domestic sewage treatment system capable of realizing zero emission of pollutants Download PDFInfo
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- CN212356958U CN212356958U CN202021761563.XU CN202021761563U CN212356958U CN 212356958 U CN212356958 U CN 212356958U CN 202021761563 U CN202021761563 U CN 202021761563U CN 212356958 U CN212356958 U CN 212356958U
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Abstract
The utility model discloses a rural domestic sewage treatment system capable of realizing zero emission of pollutants, which comprises a grid tank, a regulating tank, a pressure type acidification tank and an improved A2The system comprises an O tank, a secondary sedimentation tank and an artificial wetland, wherein the regulating tank is connected with a pressure type acidification tank through a lifting water pump and a pipeline, and the pressure type acidification tank is connected with an improved A through a pipeline2the/O tank is connected with an improved A2the/O tank is connected with a secondary sedimentation tank through a pipeline, the secondary sedimentation tank is connected with the artificial wetland through a pipeline, the sewage treatment system is externally connected with a power generation system, and the power generation system provides power for the sewage treatment system, so that the sewage treatment system can be used for treating sewageWell meet the treatment and resource utilization requirements of rural sewage, and the treated sewage can be used for irrigation, greening and other recycling purposes.
Description
Technical Field
The utility model relates to a blowdown field, especially a rural domestic sewage treatment system that can realize pollutant zero release.
Background
In recent years, a large number of rural sewage treatment facilities are built all over the country, the sewage treatment rate is greatly improved, but the condition that the effluent quality of the sewage treatment facilities does not reach the standard or the treatment facilities are built but not used generally exists, and the solar energy sunning project is formed, so that the rural water environment is not fundamentally improved, and the investment waste is caused.
Rural sewage refers to rural resident domestic sewage, and village domestic sewage mainly comes from bathing sewage, kitchen sewage and the like in village life process. Because the rural sewage is discharged randomly, is not easy to be treated in a centralized way and lacks of professional operation management, the rural sewage treatment and operation are general problems restricting the vogue of the country in China for a long time, and the rural sewage is treated scientifically and effectively.
The prior art generally adopts a septic tank, a biological treatment tank and a filtering tank, and the septic tank is used for pretreating sewage in the prior art, so that the treatment efficiency of a subsequent biological treatment unit is improved; the biological treatment tank can remove most organic matters, ammonia nitrogen, total phosphorus and the like; the filtering unit (advanced treatment unit) can further remove suspended matters, kill bacteria and the like.
It has the following disadvantages:
1. the treatment effect is unstable, the effluent quality can not reach the standard stably, and the sewage resource utilization can not be realized;
2. the sludge yield is large, the water content of the sludge is high, and the potential hazard of secondary pollution exists;
3. the operation cost is high, so that the capital pressure exists in the owner.
Based on the above series of problems, the following technical solutions have been developed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the aforesaid not enough, provide a rural domestic sewage treatment system that can realize the pollutant zero release, can satisfy rural sewage's processing resourceization needs well, the sewage after the processing can be used for retrieval and utilization usage such as irrigation, afforestation.
The utility model discloses a realize that the technical scheme that above-mentioned purpose adopted is:
a rural domestic sewage treatment system capable of realizing zero discharge of pollutants comprises a grating tank, an adjusting tank, a pressure type acidification tank and an improved type A2First and second sinks in/O poolThe artificial wetland comprises a pool and an artificial wetland, wherein the adjusting pool is connected with a pressure type acidification pool through a lifting water pump and a pipeline, and the pressure type acidification pool is connected with an improved type A through a pipeline2the/O tank is connected with an improved A2the/O tank is connected with a secondary sedimentation tank through a pipeline, the secondary sedimentation tank is connected with the artificial wetland through a pipeline, and the sewage treatment system is externally connected with a power generation system which provides power for the sewage treatment system.
Furthermore, the water outlet of the grating pool is provided with a water filtering grid, and large particle suspended matters in sewage are filtered through the water filtering grid, so that subsequent water pumps and pipelines are prevented from being blocked.
Furthermore, a water distribution system is arranged at the bottom of the pressure type acidification tank, pressure type water distribution is adopted, a large number of microorganisms are arranged in the tank and are used for opening and breaking macromolecules or refractory substances into micromolecular substances, the change impact capacity of water resistance and water quality is improved, the biodegradability of sewage is improved, and the subsequent organic matter degradation and nitrogen and phosphorus removal processes are facilitated.
Further, the modified form A2the/O pool is internally provided with biological fillers and high-efficiency strains, a pressure type acidification pool and an improved A2the/O pools are connected through pipelines to form a combination for use and are used for removing organic matters, nitrogen and phosphorus without edema.
Furthermore, a backflow water pump is arranged in the secondary sedimentation tank, one end of the backflow water pump faces the bottom of the secondary sedimentation tank, the other end of the backflow water pump faces the pressure type acidification tank, and the residual sludge separated by the secondary sedimentation tank flows back to the pressure type acidification tank at the front end through the backflow water pump to be digested again.
Further, the power generation system comprises a solar power generation system and a wind power generation system.
The utility model discloses with prior art contrast beneficial effect be:
the utility model provides a pair of can realize rural domestic sewage treatment system of pollutant zero release, process flow is simple, and the treatment effeciency is high, and the energy consumption is extremely low, does not have secondary pollution's such as foul smell, mud problem, can satisfy rural sewage's processing resourceful needs well, and sewage after the processing can be used for retrieval and utilization usage such as irrigation, afforestation.
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 description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only 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 schematic view of the sewage treatment system of the present invention;
FIG. 2 is a schematic diagram of the composition of a sewage treatment system of the prior art,
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The utility model provides a rural domestic sewage treatment system capable of realizing zero emission of pollutants. The technical solution provided by the present invention will be explained in more detail with reference to fig. 1-2.
As shown in figure 1, a rural domestic sewage treatment system capable of realizing zero emission of pollutants comprises a grating tank, a regulating tank, a pressure type acidification tank and an improved type A2The system comprises an O tank, a secondary sedimentation tank and an artificial wetland, wherein the regulating tank is connected with a pressure type acidification tank through a lifting water pump and a pipeline, and the pressure type acidification tank is connected with an improved A through a pipeline2the/O tank is connected with an improved A2the/O pool is connected with a secondary sedimentation pool through a pipeline, the secondary sedimentation pool is connected with the artificial wetland through a pipeline, the sewage treatment system is externally connected with a power generation system, the power generation system provides power for the sewage treatment system, and the effluent of the artificial wetland pool reaches the recycling standardThe method is accurate.
Preferably, the water outlet of the grating pool is provided with a water filtering grid, and large-particle suspended matters in sewage are filtered through the water filtering grid, so that subsequent water pumps and pipelines are prevented from being blocked.
Preferably, the adjusting tank can be used for adjusting the water quantity and the water quality of the incoming water, and is beneficial to the stable operation of the treatment system
Preferably, the pressure type acidification tank bottom is equipped with the water distribution system, adopts pressure type water distribution, has a large amount of microorganisms in the pond for open loop with macromolecule or difficult degradation material breaks and forms the micro molecule material, improves the change impact ability of water resistance quality of water, improves the biodegradability of sewage, is favorable to follow-up organic matter degradation and nitrogen and phosphorus removal process.
Preferably, modification A2the/O pool is provided with biological filler and is added with high-efficiency microorganism strains, the types of microorganisms formed in the pool are various, the method is suitable for treating rural sewage, and the method has the characteristics of high efficiency, low energy consumption, no pollution generation, simple and convenient operation and management and the like.
The utility model discloses a biofilm carrier, the microorganism kind is many, forms ecological food chain between the microorganism, and whole sewage treatment system is basically not produced by mud, no secondary pollution's problem.
The combined use of the acidification tank and the high-efficiency biological treatment tank can greatly remove pollutants such as different organic matters, nitrogen, phosphorus and the like in sewage, simultaneously does not generate odor, has low sludge yield, avoids secondary pollution and realizes zero emission of pollutants.
Preferably, a backflow water pump is arranged in the secondary sedimentation tank, one end of the backflow water pump faces the bottom of the secondary sedimentation tank, the other end of the backflow water pump faces the pressure type acidification tank, and the residual sludge separated by the secondary sedimentation tank flows back to the pressure type acidification tank at the front end through the backflow water pump to be digested again.
The effluent of the secondary sedimentation tank enters an artificial wetland, the artificial wetland is used as an advanced treatment process, the artificial wetland can remove residual suspended matters, total nitrogen, total phosphorus, organic matters and the like in the sewage, and the further treated sewage can be directly recycled.
Preferably, the power generation system comprises a solar power generation system and a wind power generation system.
As shown in fig. 2, in the sewage treatment system in the prior art, external power sources are mostly ready-made power supply components, which are not environment-friendly, cannot utilize natural free energy, and increase the cost for rural sewage treatment projects.
The utility model provides a pair of can realize rural domestic sewage treatment system of pollutant zero release, process flow is simple, and the treatment effeciency is high, and the energy consumption is extremely low, does not have secondary pollution's such as foul smell, mud problem, can satisfy rural sewage's processing resourceful needs well, and sewage after the processing can be used for retrieval and utilization usage such as irrigation, afforestation.
The above description is only the specific implementation manner of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is familiar with the technical scope of the present invention, and according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.
Claims (6)
1. A rural domestic sewage treatment system capable of realizing zero emission of pollutants is characterized by comprising a grating tank, an adjusting tank, a pressure type acidification tank and an improved type A2The system comprises an O tank, a secondary sedimentation tank and an artificial wetland, wherein the regulating tank is connected with a pressure type acidification tank through a lifting water pump and a pipeline, and the pressure type acidification tank is connected with an improved A through a pipeline2the/O tank is connected with an improved A2the/O tank is connected with a secondary sedimentation tank through a pipeline, the secondary sedimentation tank is connected with the artificial wetland through a pipeline, and the sewage treatment system is externally connected with a power generation system which provides power for the sewage treatment system.
2. The rural domestic sewage treatment system capable of realizing zero emission of pollutants according to claim 1, wherein the water outlet of the grating tank is provided with a water filtering grid, and large particle suspended matters in sewage are filtered through the water filtering grid, so that subsequent water pumps and pipelines are prevented from being blocked.
3. The rural domestic sewage treatment system capable of realizing zero emission of pollutants according to claim 1, wherein a water distribution system is arranged at the bottom of the pressure type acidification tank, pressure type water distribution is adopted, and a large number of microorganisms are arranged in the tank and are used for carrying out ring opening on macromolecules or refractory substances to form micromolecule substances, so that the change impact capacity of water quantity and water quality resistance is improved, the biodegradability of sewage is improved, and the subsequent organic matter degradation and nitrogen and phosphorus removal processes are facilitated.
4. The rural domestic sewage treatment system capable of realizing zero emission of pollutants according to claim 1, wherein the improved type A is2the/O pool is internally provided with biological fillers and high-efficiency strains, a pressure type acidification pool and an improved A2the/O pools are connected through pipelines to form a combination for use and are used for removing organic matters, nitrogen and phosphorus without edema.
5. The rural domestic sewage treatment system capable of realizing zero emission of pollutants according to claim 1, wherein a return water pump is arranged in the secondary sedimentation tank, one end of the return water pump faces to the bottom of the secondary sedimentation tank, the other end of the return water pump faces to the pressure type acidification tank, and the residual sludge separated by the secondary sedimentation tank flows back to the pressure type acidification tank at the front end through the return water pump for re-digestion.
6. The rural domestic sewage treatment system capable of realizing zero emission of pollutants according to claim 1, wherein the power generation system comprises a solar power generation system and a wind power generation system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021761563.XU CN212356958U (en) | 2020-08-21 | 2020-08-21 | Rural domestic sewage treatment system capable of realizing zero emission of pollutants |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021761563.XU CN212356958U (en) | 2020-08-21 | 2020-08-21 | Rural domestic sewage treatment system capable of realizing zero emission of pollutants |
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| CN212356958U true CN212356958U (en) | 2021-01-15 |
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| CN202021761563.XU Active CN212356958U (en) | 2020-08-21 | 2020-08-21 | Rural domestic sewage treatment system capable of realizing zero emission of pollutants |
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