CN211620268U - Energy-efficient rural domestic sewage biological treatment system - Google Patents
Energy-efficient rural domestic sewage biological treatment system Download PDFInfo
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- CN211620268U CN211620268U CN201922095662.2U CN201922095662U CN211620268U CN 211620268 U CN211620268 U CN 211620268U CN 201922095662 U CN201922095662 U CN 201922095662U CN 211620268 U CN211620268 U CN 211620268U
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Abstract
The utility model discloses an efficient and energy-saving rural domestic sewage biological treatment system, which comprises a grit chamber, an anaerobic tank, a micro-power degradation tank, a suspended matter sedimentation tank, an artificial wetland system and a clean water tank; a water inlet pipe is arranged at the top of the grit chamber; the anaerobic tank is connected with the grit chamber through a sewage lifting mechanism; the bottom of the micro-power degradation tank is connected with the bottom of the anaerobic tank through a first connecting pipe; the bottom of the micro-power degradation tank is provided with an aeration fan; the bottom of the suspended matter sedimentation tank is connected with the bottom of the suspended matter sedimentation tank through a second connecting pipe; the top of the sedimentation tank is connected with the artificial wetland system through a third connecting pipe; the artificial wetland system is connected with the clean water tank through a fourth connecting pipe; a sewage disinfection mechanism is arranged in the clean water tank. The utility model discloses greatly reduced system operation expense on the basis of the energy saving, the system flow is simple, and operation management is comparatively convenient.
Description
Technical Field
The utility model relates to the technical field of sewage treatment, in particular to a high-efficiency energy-saving rural domestic sewage biological treatment system.
Background
Domestic rural domestic sewage is discharged at will, and the environmental pollution caused by the domestic rural domestic sewage is not only a potential safety hazard of a rural water source area, but also aggravates the crisis of fresh water resources, so that the farmland irrigation cannot be effectively guaranteed, and the survival and development of farmers are harmed. Therefore, rural domestic sewage becomes an important pollution source influencing the water body environment quality, and most of natural and artificial water bodies in China are eutrophicated at present. The current rural domestic sewage treatment modes, such as a stabilization pond, an artificial wetland, land infiltration, a biological membrane and an integrated device, particularly a combined process, achieve a certain sewage treatment effect in practical application, but have a certain distance from standard discharge, particularly poor nitrogen and phosphorus removal effect, large operation energy consumption and high operation cost.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an energy-efficient rural domestic sewage biological treatment system has greatly reduced the system operating cost on the basis of the energy saving, and the system flow is simple, and operation management is comparatively convenient.
In order to achieve the aim, the utility model provides a high-efficiency energy-saving biological treatment system for rural domestic sewage, which comprises a grit chamber, an anaerobic tank, a micro-power degradation tank, a suspended matter sedimentation tank, an artificial wetland system and a clean water tank; a water inlet pipe is arranged at the top of the grit chamber; the anaerobic tank is connected with the grit chamber through a sewage lifting mechanism; the sewage lifting mechanism comprises a lifting pump and a lifting pipe; the lifting pump is arranged at the bottom of the grit chamber; one end of the lifting pipe is connected with the lifting pump, and the other end of the lifting pipe is arranged at the top of the anaerobic tank; the bottom of the micro-power degradation tank is connected with the bottom of the anaerobic tank through a first connecting pipe; an aeration fan is arranged at the bottom of the micro-power degradation tank; the bottom of the suspended matter sedimentation tank is connected with the bottom of the suspended matter sedimentation tank through a second connecting pipe; the top of the sedimentation tank is connected with the artificial wetland system through a third connecting pipe; the artificial wetland system is connected with the clean water tank through a fourth connecting pipe; and a sewage disinfection mechanism is arranged in the clean water tank.
Preferably, the sewage disinfection mechanism is an ultraviolet disinfection mechanism. Can sterilize and disinfect the water in the clean water tank.
Preferably, the solar photovoltaic power generation system is further included; the solar photovoltaic power generation system comprises a solar photovoltaic panel; the solar photovoltaic panel is arranged above the anaerobic tank; the aeration fan and the lifting pump are electrically connected with the solar photovoltaic power generation system. The electric energy generated and stored by the solar photovoltaic power generation system can be used for the aeration fan and the whole system, so that the energy consumption and the operating cost of the system are greatly saved.
Preferably, the bottom of the grit chamber and the bottom of the suspended matter sedimentation tank are connected with a sludge tank through a sludge return pipe. And sludge and silt at the bottoms of the grit chamber and the suspended matter sedimentation tank are discharged into a sludge tank for concentration.
Preferably, the top of the sludge tank is connected with the grit chamber through a sludge supernatant pipe. And discharging the supernatant to a grit chamber, and periodically transporting the concentrated sludge.
Preferably, the bottom of the clean water tank is provided with a water outlet pipe.
Compared with the prior art, the beneficial effects of the utility model are that:
the method comprises the following steps of (1) settling and removing large impurities and fine impurities by arranging a grit chamber; by arranging the anaerobic tank, macromolecular organic matters which are difficult to degrade in the sewage are converted into micromolecular organic matters which are easy to degrade by utilizing the hydrolysis and acid production functions of anaerobic bacteria, insoluble organic matters are converted into soluble organic matters, and the biodegradability of the sewage is further improved; by arranging the micro-power degradation tank, the aeration fan provides micro-oxygenation conditions for the micro-power degradation tank, and organic matters in the sewage are further decomposed under the micro-oxygenation conditions; SS (solid suspended matter) in the sewage is removed by arranging a suspended matter sedimentation tank; by arranging the artificial wetland system, pollutants such as COD (chemical oxygen demand), ammonia nitrogen and the like are removed through plant absorption; through setting up sewage disinfection mechanism, can disinfect the disinfection to the water in the clean water basin.
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 structural diagram of a high-efficiency energy-saving biological treatment system for rural domestic sewage.
Wherein: 1. a grit chamber; 101. a water inlet pipe; 2. an anaerobic tank; 3. a micro-power degradation tank; 31. an aeration fan; 4. a suspended matter sedimentation tank; 5. an artificial wetland system; 6. a clean water tank; 7. a sewage lifting mechanism; 71. a lift pump; 72. a riser tube; 8. a first connecting pipe; 9. a second connecting pipe; 10. a third connecting pipe; 11. a fourth connecting pipe; 12. a solar photovoltaic panel; 13. a sludge tank; 14. and (5) discharging a water pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in 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 following description of the embodiments of the present invention will be made with reference to the accompanying drawings.
Referring to fig. 1, a high-efficiency energy-saving rural domestic sewage biological treatment system is shown, which comprises a grit chamber 1, an anaerobic chamber 2, a micro-power degradation chamber 3, a suspended matter sedimentation chamber 4, an artificial wetland system 5 and a clean water chamber 6; the top of the grit chamber 1 is provided with a water inlet pipe 101; the anaerobic tank 2 is connected with the grit chamber 1 through a sewage lifting mechanism 7; the sewage lifting mechanism 7 comprises a lifting pump 71 and a lifting pipe 72; the lift pump 71 is arranged at the bottom of the grit chamber 1; one end of the lifting pipe 72 is connected with the lifting pump 71, and the other end is arranged at the top of the anaerobic tank 2; the bottom of the micro-power degradation tank 3 is connected with the bottom of the anaerobic tank 2 through a first connecting pipe 8; the bottom of the micro-power degradation tank 3 is provided with an aeration fan 31; the bottom of the suspended matter sedimentation tank 4 is connected with the bottom of the suspended matter sedimentation tank 4 through a second connecting pipe 9; the top of the sedimentation tank is connected with the artificial wetland system 5 through a third connecting pipe 10; the artificial wetland system 5 is connected with the clean water tank 6 through a fourth connecting pipe 11; a sewage disinfection mechanism is arranged in the clean water tank 6.
In the above embodiment, the sewage sterilizing mechanism is an ultraviolet sterilizing mechanism. The water in the clean water tank 6 can be sterilized and disinfected.
In the embodiment, the solar photovoltaic power generation system is further included; the solar photovoltaic power generation system comprises a solar photovoltaic panel 12; the solar photovoltaic panel 12 is arranged above the anaerobic tank 2; the aeration fan 31 and the lift pump 71 are electrically connected with the solar photovoltaic power generation system. The electric energy generated and stored by the solar photovoltaic power generation system can be used for the aeration fan 31 and the whole system, so that the energy consumption and the operating cost of the system are greatly saved.
In the above embodiment, the bottoms of the grit chamber 1 and the suspended matter sedimentation tank 4 are connected to a sludge tank 13 through a sludge return pipe. Sludge and silt at the bottoms of the grit chamber 1 and the suspended matter sedimentation tank 4 are discharged into a sludge tank 13 for concentration.
In the above embodiment, the top of the sludge tank 13 is connected to the grit chamber 1 through a sludge supernatant pipe. The supernatant is discharged to a grit chamber 1, and the concentrated sludge is periodically transported outside for treatment.
In the above embodiment, the bottom of the clean water tank 6 is provided with the water outlet pipe 14.
The utility model discloses a theory of operation: after sewage got rid of great debris and tiny impurity through grit chamber 1, elevator pump 71 promoted to anaerobism pond 2, utilizes anaerobism bacterium hydrolysis, produces acid effect at anaerobism pond 2, turns into the micromolecule organic matter of easy degradation with the macromolecular organic matter of difficult degradation in the sewage, and insoluble organic matter becomes the dissolubility organic matter, further improves the biodegradability of sewage. Then the sewage automatically flows into the micro-power degradation tank 3 through the first connecting pipe 8, and organic matters in the sewage are further decomposed under the micro-oxygenation condition; the sewage of the micro-power degradation tank 3 automatically flows into the suspended matter sedimentation tank 4 through the second connecting pipe 9 to remove SS (solid suspended matters), the supernatant automatically flows into the artificial wetland system 5 through the third connecting pipe 10, the sewage is absorbed by plants to remove pollutants such as COD (chemical oxygen demand), ammonia nitrogen and the like, the sewage is treated, and finally flows into the clean water tank 6 through the fourth connecting pipe 11, and the sewage is subjected to ultraviolet disinfection and is discharged after reaching the standard in the clean water tank 6. Sludge and silt at the bottoms of the grit chamber 1 and the suspended matter sedimentation tank 4 are discharged into a sludge tank 13 for concentration, supernatant of the sludge tank 13 is discharged into a regulating tank, and the concentrated sludge is transported outside by a dung suction truck at regular intervals.
While the preferred embodiments of the present invention have been described, the present invention is not limited to the above embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are intended to be included within the scope of the present invention as defined by the appended claims.
Claims (6)
1. An efficient and energy-saving rural domestic sewage biological treatment system is characterized by comprising a grit chamber, an anaerobic tank, a micro-power degradation tank, a suspended matter sedimentation tank, an artificial wetland system and a clean water tank; a water inlet pipe is arranged at the top of the grit chamber; the anaerobic tank is connected with the grit chamber through a sewage lifting mechanism; the sewage lifting mechanism comprises a lifting pump and a lifting pipe; the lifting pump is arranged at the bottom of the grit chamber; one end of the lifting pipe is connected with the lifting pump, and the other end of the lifting pipe is arranged at the top of the anaerobic tank; the bottom of the micro-power degradation tank is connected with the bottom of the anaerobic tank through a first connecting pipe; an aeration fan is arranged at the bottom of the micro-power degradation tank; the bottom of the suspended matter sedimentation tank is connected with the bottom of the suspended matter sedimentation tank through a second connecting pipe; the top of the sedimentation tank is connected with the artificial wetland system through a third connecting pipe; the artificial wetland system is connected with the clean water tank through a fourth connecting pipe; and a sewage disinfection mechanism is arranged in the clean water tank.
2. The energy-efficient biological treatment system for rural domestic sewage according to claim 1, wherein said sewage disinfection mechanism is an ultraviolet disinfection mechanism.
3. The high-efficiency energy-saving rural domestic sewage biological treatment system according to claim 1, further comprising a solar photovoltaic power generation system; the solar photovoltaic power generation system comprises a solar photovoltaic panel; the solar photovoltaic panel is arranged above the anaerobic tank; the aeration fan and the lifting pump are electrically connected with the solar photovoltaic power generation system.
4. The high-efficiency energy-saving rural domestic sewage biological treatment system according to claim 1, wherein the bottoms of the grit chamber and the suspended solid sedimentation tank are connected with a sludge tank through sludge return pipes.
5. The high-efficiency energy-saving rural domestic sewage biological treatment system according to claim 4, wherein the top of the sludge tank is connected with the grit chamber through a sludge supernatant pipe.
6. The high-efficiency energy-saving rural domestic sewage biological treatment system according to claim 1, wherein a water outlet pipe is arranged at the bottom of the clean water tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922095662.2U CN211620268U (en) | 2019-11-28 | 2019-11-28 | Energy-efficient rural domestic sewage biological treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922095662.2U CN211620268U (en) | 2019-11-28 | 2019-11-28 | Energy-efficient rural domestic sewage biological treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211620268U true CN211620268U (en) | 2020-10-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922095662.2U Active CN211620268U (en) | 2019-11-28 | 2019-11-28 | Energy-efficient rural domestic sewage biological treatment system |
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| Country | Link |
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| CN (1) | CN211620268U (en) |
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2019
- 2019-11-28 CN CN201922095662.2U patent/CN211620268U/en active Active
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