CN112374610A - Biological ecological coupling's rural sewage treatment device - Google Patents
Biological ecological coupling's rural sewage treatment device Download PDFInfo
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- CN112374610A CN112374610A CN202011262632.7A CN202011262632A CN112374610A CN 112374610 A CN112374610 A CN 112374610A CN 202011262632 A CN202011262632 A CN 202011262632A CN 112374610 A CN112374610 A CN 112374610A
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- 239000010865 sewage Substances 0.000 title claims abstract description 39
- 230000008878 coupling Effects 0.000 title claims description 7
- 238000010168 coupling process Methods 0.000 title claims description 7
- 238000005859 coupling reaction Methods 0.000 title claims description 7
- 230000007062 hydrolysis Effects 0.000 claims abstract description 69
- 238000006460 hydrolysis reaction Methods 0.000 claims abstract description 69
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 53
- 239000004033 plastic Substances 0.000 claims abstract description 9
- 229920003023 plastic Polymers 0.000 claims abstract description 9
- 239000000945 filler Substances 0.000 claims abstract description 8
- 238000004062 sedimentation Methods 0.000 claims abstract description 8
- 239000010802 sludge Substances 0.000 claims description 14
- 238000010992 reflux Methods 0.000 claims description 8
- 238000005273 aeration Methods 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 4
- 239000002893 slag Substances 0.000 claims description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 12
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 abstract description 12
- 239000000969 carrier Substances 0.000 abstract description 12
- 229910052698 phosphorus Inorganic materials 0.000 abstract description 12
- 239000011574 phosphorus Substances 0.000 abstract description 12
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 8
- CKUAXEQHGKSLHN-UHFFFAOYSA-N [C].[N] Chemical compound [C].[N] CKUAXEQHGKSLHN-UHFFFAOYSA-N 0.000 abstract description 7
- 239000002121 nanofiber Substances 0.000 abstract description 7
- 229920002635 polyurethane Polymers 0.000 abstract description 7
- 239000004814 polyurethane Substances 0.000 abstract description 7
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 6
- 239000002245 particle Substances 0.000 abstract description 6
- 229910052717 sulfur Inorganic materials 0.000 abstract description 6
- 239000011593 sulfur Substances 0.000 abstract description 6
- 238000001179 sorption measurement Methods 0.000 abstract description 5
- 239000011149 active material Substances 0.000 abstract description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract 1
- 229910052799 carbon Inorganic materials 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 10
- 238000012856 packing Methods 0.000 description 6
- 239000002028 Biomass Substances 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 238000011161 development Methods 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 239000013049 sediment Substances 0.000 description 4
- 241000894006 Bacteria Species 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 230000000813 microbial effect Effects 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- 238000011144 upstream manufacturing Methods 0.000 description 3
- 230000001651 autotrophic effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 206010021143 Hypoxia Diseases 0.000 description 1
- YUWBVKYVJWNVLE-UHFFFAOYSA-N [N].[P] Chemical compound [N].[P] YUWBVKYVJWNVLE-UHFFFAOYSA-N 0.000 description 1
- MMDJDBSEMBIJBB-UHFFFAOYSA-N [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] Chemical compound [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] MMDJDBSEMBIJBB-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009440 infrastructure construction Methods 0.000 description 1
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- 238000000746 purification Methods 0.000 description 1
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- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Hydrology & Water Resources (AREA)
- Microbiology (AREA)
- Environmental & Geological Engineering (AREA)
- Biodiversity & Conservation Biology (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Biotechnology (AREA)
- Botany (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The invention discloses biological and ecological coupled rural sewage treatment equipment which is sequentially provided with a hydrolysis tank, a primary anoxic tank, a primary aerobic tank, a secondary anoxic tank, a secondary aerobic tank, a sedimentation tank and an ecological tank from left to right. According to the bio-ecological coupled rural sewage treatment equipment, a hydrolysis tank is divided into two tanks, intermittent centralized water inflow can be realized, the condition that one-time water inflow cannot penetrate through a hydrolysis unit is ensured, polyurethane sponge biological carriers, nanofiber carriers, iron-carrying scraps and sulfur particles are loaded in anoxic tank fillers, the biological denitrification effect is enhanced on rural domestic sewage with a low carbon-nitrogen ratio, meanwhile, multi-point segmented water inflow is realized, a carbon source in water is fully utilized for denitrification, an ecological tank utilizes aquatic plants to further remove nitrogen and phosphorus, suspended matters in water are intercepted, and a plastic grid filler layer is used for fixing the root system of the aquatic plants; the surface of the modified ceramsite is loaded with an active material, so that the adsorption and interception of phosphorus are enhanced; the water distribution gravel layer is used as a cushion layer for supporting the modified ceramsite and uniformly distributing water.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to a biological and ecological coupled rural sewage treatment device.
Background
With the continuous development of rural economy and the continuous improvement of the requirements of people on the quality of rural living environment, the new rural construction gradually promoted by governments at all levels greatly improves the living environment of farmers. But the contradiction between the relative lag of infrastructure construction in rural areas and the pollution of rural scattered point sources is increasingly prominent, and the problem of rural water environment pollution is urgently solved. The rural sewage treatment technology which is limited by various factors such as regional economic conditions, climatic conditions, village land resources and the like, low in development investment, small in occupied area, stable and reliable in treated water quality, low in running cost and simple in operation is an important development trend in the field of current water treatment, and meanwhile, due to the fact that technical personnel are lack and economic strength is weak in rural areas, development of the rural sewage treatment technology is limited. Particularly, in rural areas, sewage treatment facilities are lacked, and rural domestic sewage has a low carbon-nitrogen ratio and is different from urban sewage to a certain extent, so that the treatment mode is different correspondingly, the treatment effect is poor and the mode is inflexible in the prior art of denitrification and dephosphorization, and aiming at the defects, it is necessary to design a rural sewage treatment device with biological and ecological coupling.
Disclosure of Invention
The invention aims to provide biological and ecological coupled rural sewage treatment equipment which has the advantages of multi-format design, flexible operation mode and good treatment effect and can solve the problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: a biological ecological coupling rural sewage treatment device comprises a first hydrolysis tank, wherein a first water inlet is formed in the middle of the left side of the first hydrolysis tank, a second hydrolysis tank is arranged on the right side of the first hydrolysis tank, water pipes penetrate through the middle of the right sides of the first hydrolysis tank and the second hydrolysis tank, a guide pipe is arranged in the second hydrolysis tank, a guide pipe in the second hydrolysis tank is communicated with the water pipes in the first hydrolysis tank, a first-stage anoxic tank is arranged on the right side of the second hydrolysis tank, a guide pipe is arranged in the first-stage anoxic tank and communicated with the water pipes in the second hydrolysis tank, a first-stage first aerobic tank and a first-stage second aerobic tank are sequentially arranged on the right side of the first-stage anoxic tank, a guide pipe is arranged in the first-stage first aerobic tank and the first-stage second aerobic tank, and the two guide pipes are communicated with the upper parts of the tanks adjacent to the first-stage aerobic tank, a second-stage anoxic tank is arranged on the right side of the first-stage second aerobic tank, a flow guide pipe is arranged in the second-stage anoxic tank and communicated with the upper part of the first-stage second aerobic tank, a second water inlet is also arranged above the flow guide pipe in the second-stage anoxic tank, a second-stage first aerobic tank, a second-stage second aerobic tank and a second-stage third aerobic tank are sequentially arranged on the right side of the second-stage anoxic tank, flow guide pipes are arranged in the second-stage first aerobic tank, the second-stage second aerobic tank and the second-stage third aerobic tank and communicated with the upper part of the tank on the adjacent left side of the tank where the flow guide pipes are arranged, a sedimentation tank is arranged on the right side of the second-stage third aerobic tank and communicated with the upper part of the second-stage third aerobic tank, the right side of the sedimentation tank is communicated with the ecological tank, and the bottom of the sedimentation tank is simultaneously connected with the bottom of the first hydrolysis tank, and a sludge reflux pump is arranged on the pipeline.
Preferably, the bottom of each of the first hydrolysis tank and the second hydrolysis tank is provided with a sludge discharge port, and the top of each of the first hydrolysis tank and the second hydrolysis tank is provided with a slag outlet.
Preferably, the first water inlet and the second water inlet are both connected with a lift pump through pipelines.
Preferably, the bottoms of the first-stage first aerobic tank, the first-stage second aerobic tank, the second-stage first aerobic tank, the second-stage second aerobic tank and the second-stage third aerobic tank are all connected with aeration blowers.
Preferably, the bottom of the second-stage third aerobic tank is communicated with the first-stage anoxic tank by a pipeline, and a mixed liquid reflux pump is arranged on the pipeline.
Preferably, the ecological groove is sequentially filled with a water distribution gravel layer, a modified ceramsite layer and a plastic grid filler layer from bottom to top in a layered manner.
Compared with the prior art, the invention has the following beneficial effects:
the biological ecological coupling rural sewage treatment equipment has the advantages that when the hydrolysis tank is divided into two tanks and is arranged in an intermittent centralized water inlet operation mode, the hydrolysis unit can not be penetrated by primary water inlet, sewage enters the flow guide pipe from the upper middle position of the upstream hydrolysis tank and flows out from the lower middle position of the downstream unit, the design avoids disturbance on top dross and bottom sediment, polyurethane sponge biological carriers and nanofiber carriers are loaded in the filler of the primary anoxic tank, and iron chips and sulfur particles are also loaded in the secondary anoxic tank besides the polyurethane sponge biological carriers and the nanofiber carriers, so that for rural domestic sewage with low carbon-nitrogen ratio, the iron chips and the elemental sulfur promote the growth and enrichment of autotrophic denitrifying bacteria, the biological denitrification effect is enhanced, the ecological tank further removes nitrogen and phosphorus by using aquatic plants, intercepts suspended matters in water, and deeply purifies the sewage treated by the biological tank, the ecological groove is filled with a water distribution gravel layer (200mm), a modified ceramsite layer (600mm) and a plastic grid packing layer (200mm) in a layered manner from bottom to top, and the plastic grid packing layer is used for fixing the root system of the aquatic plant; the surface of the modified ceramsite is loaded with an active material, so that the adsorption and interception of phosphorus are enhanced; the water distribution gravel layer is used as a cushion layer for supporting the modified ceramsite and uniformly distributing water, and the sludge in the settling tank is regularly returned to the hydrolysis tank, so that the microbial biomass is supplemented for the unit, the anaerobic stability of the sludge is implemented, and the nitrogen and phosphorus removal effect is greatly improved due to the combination of the biological tank and the ecological tank for the rural domestic sewage with low carbon-nitrogen ratio.
Drawings
FIG. 1 is a schematic view of the structure of a bio cell according to the present invention;
fig. 2 is a schematic structural view of the ecological tank of the present invention.
In the figure: 1. a first hydrolysis tank; 2. a second hydrolysis tank; 3. a first-stage anoxic tank; 4. a first aerobic tank; 5. a first-stage second aerobic tank; 6. a secondary anoxic tank; 7. a second-stage first aerobic tank; 8. a second-stage aerobic tank; 9. a second-stage third aerobic tank; 10. a settling tank; 11. a sludge discharge port; 12. a water pipe; 13. a sludge reflux pump; 14. a mixed liquid reflux pump; 15. a first water inlet; 16. a second water inlet; 17. an aeration blower; 18. a lift pump; 19. a slag outlet; 20. an ecological groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, a biological and ecological coupling rural sewage treatment device comprises a first hydrolysis tank 1, a first water inlet 15 is arranged in the middle of the left side of the first hydrolysis tank 1, a second hydrolysis tank 2 is arranged on the right side of the first hydrolysis tank 1, a water pipe 12 penetrates through the middle of the right side of each of the first hydrolysis tank 1 and the second hydrolysis tank 2, a guide pipe is arranged in the second hydrolysis tank 2, the guide pipe in the second hydrolysis tank 2 is communicated with the water pipe 12 in the first hydrolysis tank 1, a sludge discharge port 11 is arranged at the bottom of each of the first hydrolysis tank 1 and the second hydrolysis tank 2, a slag discharge port 19 is arranged at the top of each of the first hydrolysis tank 1 and the second hydrolysis tank 2, the hydrolysis tanks are divided into two tanks, and when an intermittent centralized water inlet operation mode is adopted, primary water inlet cannot penetrate through the hydrolysis units, sewage enters the guide pipe from the upper position of the middle of the upstream hydrolysis tank and flows out from the lower position, such a design avoids disturbance to the top dross and the bottom sediment. The right side of the second hydrolysis tank 2 is provided with a first-stage anoxic tank 3, a draft tube is arranged in the first-stage anoxic tank 3, the draft tube in the first-stage anoxic tank 3 is communicated with a water passing pipe 12 in the second hydrolysis tank 2, a polyurethane sponge biological carrier and a nanofiber carrier are loaded in a filler of the first-stage anoxic tank 3, the right side of the first-stage anoxic tank 3 is sequentially provided with a first-stage first aerobic tank 4 and a second-stage aerobic tank 5, draft tubes are arranged in the first-stage first aerobic tank 4 and the second-stage aerobic tank 5, the two draft tubes are communicated with the upper parts of the tanks on the adjacent left sides of the tanks, the right side of the first-stage second aerobic tank 5 is provided with a second-stage anoxic tank 6, the draft tubes are arranged in the second-stage anoxic tank 6 and are communicated with the upper parts of the first-stage second aerobic tank 5, and a second water inlet 16 is, the first water inlet 15 and the second water inlet 16 are connected with a lift pump 18 through pipelines, the second-stage anoxic tank 6 is loaded with scrap iron and sulfur particles besides polyurethane sponge biological carriers and nano-fiber carriers, the scrap iron and the sulfur particles promote the growth and enrichment of autotrophic denitrifying bacteria and enhance the biological denitrification effect for rural domestic sewage with low carbon-nitrogen ratio, the right side of the second-stage anoxic tank 6 is sequentially provided with a second-stage first aerobic tank 7, a second-stage second aerobic tank 8 and a second-stage third aerobic tank 9, guide pipes are arranged inside the second-stage first aerobic tank 7, the second-stage second aerobic tank 8 and the second-stage third aerobic tank 9, the three guide pipes are communicated with the upper parts of the tanks on the adjacent left side of the tank, the tank bottoms of the first-stage first aerobic tank 4, the first-stage second aerobic tank 5, the second-stage first aerobic tank 7, the second-stage second aerobic tank 8 and the second-stage third aerobic tank 9 are connected with an aeration blower 17, biological rope carrier that modified fibre made is arranged to good oxygen groove, increase the biomass, use the pipeline to be linked together between the bottom of second grade third good oxygen groove 9 and the one-level oxygen deficiency groove 3, be equipped with mixed liquid backwash pump 14 on its pipeline, the right of second grade third good oxygen groove 9 is provided with precipitation tank 10, the inside honeycomb duct that is equipped with of precipitation tank 10, its honeycomb duct and the upper portion phase intercommunication of second grade third good oxygen groove 9, the right side and the ecological groove 20 of precipitation tank 10 are linked together, ecological groove 20 utilizes aquatic plant further to get rid of nitrogen phosphorus, carry out deep purification to the sewage that the biological groove has handled, hold back aquatic suspended solid, ecological groove 20 from the bottom up layering loads water distribution gravel layer (200mm), modified haydite layer (600mm) and plastics net packing layer (200 mm). The plastic grid packing layer is used for fixing the root system of the aquatic plant; the surface of the modified ceramsite is loaded with an active material, so that the adsorption and interception of phosphorus are enhanced; the water-distributed gravel layer is used as a cushion layer, supports the modified ceramsite and is uniformly distributed. The bottom of the settling tank 10 is connected with the bottom of the first hydrolysis tank 1 and the bottom of the second hydrolysis tank 2 through pipelines, and meanwhile, a sludge reflux pump 13 is arranged on the pipelines to periodically reflux the sludge in the settling tank 10 to the hydrolysis tanks, so that on one hand, the unit is supplemented with microbial biomass, and on the other hand, anaerobic stabilization of the sludge is implemented.
The working principle is as follows: the sewage is lifted from the regulating tank and enters the hydrolysis tank, particulate matters in the sewage are precipitated in the hydrolysis tank to form sediment, the light substances float upwards to form scum, and the sediment and the scum are discharged out of the system through regular suction. Organic matters in the sewage are hydrolyzed and acidified in the unit and are converted into micromolecular organic matters easy to biodegrade, the biodegradability of the sewage is improved, nitrate nitrogen in mixed liquor of an anoxic tank and organic matters in outlet water of a hydrolysis tank and sulfur in biological fillers are subjected to denitrification, a biological rope carrier made of modified fibers is arranged in an aerobic tank, the biomass is increased, the ecological tank 20 utilizes aquatic plants to further remove nitrogen and phosphorus, phosphorus removal materials are attached to the surfaces of modified ceramsite, the adsorption and interception of phosphorus are strengthened, and suspended matters in the water are intercepted.
In summary, in the bio-ecological coupled rural sewage treatment equipment, when the hydrolysis tank is divided into two tanks and an intermittent centralized water inlet operation mode can be adopted, it is ensured that primary water inlet cannot penetrate through the hydrolysis unit, sewage enters the draft tube from the upper middle position of the upstream hydrolysis tank and flows out from the lower middle position of the downstream unit, in order to avoid disturbance to top dross and bottom dross, polyurethane sponge biological carriers and nanofiber carriers are loaded in the filler of the primary anoxic tank 3, besides polyurethane sponge biological carriers and nanofiber carriers, iron filings and sulfur particles are loaded in the secondary anoxic tank 6, for rural domestic sewage with low carbon-nitrogen ratio, the growth and enrichment of iron filings denitrifying bacteria are promoted by elemental sulfur, the biological denitrification effect is enhanced, the ecological tank 20 further removes nitrogen and phosphorus by using aquatic plants, and deeply purifies the sewage treated by the biological tank, suspended matters in water are intercepted, and a water distribution gravel layer (200mm), a modified ceramic particle layer (600mm) and a plastic grid packing layer (200mm) are filled in the ecological groove 20 from bottom to top in layers. The plastic grid packing layer is used for fixing the root system of the aquatic plant; the surface of the modified ceramsite is loaded with an active material, so that the adsorption and interception of phosphorus are enhanced; the water distribution gravel layer is used as a cushion layer for supporting the modified ceramsite and uniformly distributing water, and the sludge in the settling tank 10 is regularly returned to the hydrolysis tank, so that the microbial biomass is supplemented for the unit, the anaerobic stability of the sludge is implemented, and the nitrogen and phosphorus removal effect is greatly improved due to the combination of the biological tank and the ecological tank for rural domestic sewage with low carbon-nitrogen ratio.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A rural sewage treatment equipment of biological ecological coupling, includes first hydrolysis tank (1), its characterized in that: a first water inlet (15) is arranged in the middle of the left side of the first hydrolysis tank (1), a second hydrolysis tank (2) is arranged on the right side of the first hydrolysis tank (1), water pipes (12) penetrate through the middle parts of the right sides of the first hydrolysis tank (1) and the second hydrolysis tank (2), a guide pipe is arranged in the second hydrolysis tank (2), the guide pipe in the second hydrolysis tank (2) is communicated with the water pipes (12) in the first hydrolysis tank (1), a first-stage anoxic tank (3) is arranged on the right side of the second hydrolysis tank (2), a guide pipe is arranged in the first-stage anoxic tank (3), the guide pipe in the first-stage anoxic tank (3) is communicated with the water pipes (12) in the second hydrolysis tank (2), a first-stage first aerobic tank (4) and a second-stage aerobic tank (5) are sequentially arranged on the right side of the first-stage anoxic tank (3), guide pipes are arranged in the first-stage first-aerobic tank (4) and the second-stage aerobic tank (5, two diversion pipes are communicated with the upper part of the groove on the adjacent left side of the groove, a second-stage anoxic groove (6) is arranged on the right side of the first-stage second aerobic groove (5), a diversion pipe is arranged in the second-stage anoxic groove (6) and is communicated with the upper part of the first-stage second aerobic groove (5), a second water inlet (16) is also arranged above the diversion pipe in the second-stage anoxic groove (6), a second-stage first aerobic groove (7), a second-stage second aerobic groove (8) and a second-stage third aerobic groove (9) are sequentially arranged on the right side of the second-stage anoxic groove (6), the diversion pipes are arranged in the second-stage first aerobic groove (7), the second-stage second aerobic groove (8) and the second-stage third aerobic groove (9), the three diversion pipes are communicated with the upper part of the groove on the adjacent left side of the groove, a sedimentation groove (10) is arranged on the right side of the second-stage third aerobic, the sedimentation tank (10) is internally provided with a flow guide pipe which is communicated with the upper part of the second-stage third aerobic tank (9), the right side of the sedimentation tank (10) is communicated with the ecological tank (20), the bottom of the sedimentation tank (10) is simultaneously connected with the bottom of the first hydrolysis tank (1) and the bottom of the second hydrolysis tank (2) by using a pipeline, and meanwhile, the pipeline is provided with a sludge reflux pump (13).
2. The bio-ecologically coupled rural sewage treatment plant of claim 1, wherein: the bottom of the first hydrolysis tank (1) and the bottom of the second hydrolysis tank (2) are both provided with a sludge discharge port (11), and the top of the first hydrolysis tank is provided with a slag outlet (19).
3. The bio-ecologically coupled rural sewage treatment plant of claim 1, wherein: the first water inlet (15) and the second water inlet (16) are both connected with a lift pump (18) through pipelines.
4. The bio-ecologically coupled rural sewage treatment plant of claim 1, wherein: the tank bottoms of the first-stage first aerobic tank (4), the first-stage second aerobic tank (5), the second-stage first aerobic tank (7), the second-stage second aerobic tank (8) and the second-stage third aerobic tank (9) are all connected with an aeration blower (17).
5. The bio-ecologically coupled rural sewage treatment plant of claim 1, wherein: the bottom of the second-stage third aerobic tank (9) is communicated with the first-stage anoxic tank (3) by a pipeline, and a mixed liquid reflux pump (14) is arranged on the pipeline.
6. The bio-ecologically coupled rural sewage treatment plant of claim 1, wherein: the ecological groove (20) is sequentially filled with a water distribution gravel layer, a modified ceramsite layer and a plastic grid filler layer from bottom to top in a layered manner.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011262632.7A CN112374610B (en) | 2020-11-12 | 2020-11-12 | Biological ecological coupling rural sewage treatment equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011262632.7A CN112374610B (en) | 2020-11-12 | 2020-11-12 | Biological ecological coupling rural sewage treatment equipment |
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| CN112374610A true CN112374610A (en) | 2021-02-19 |
| CN112374610B CN112374610B (en) | 2024-04-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115246694A (en) * | 2022-01-06 | 2022-10-28 | 山东建筑大学 | Treatment system for organic matters difficult to degrade in sewage |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103979763A (en) * | 2014-05-09 | 2014-08-13 | 陕西省环境科学研究院 | Unpowered mixing and low temperature resistant biochemical treatment device for rural (community) sewage mud liquid |
| WO2017005154A1 (en) * | 2015-07-07 | 2017-01-12 | 洪胜男 | High-efficiency wastewater denitrification and dephosphorization process and system |
| CN210945001U (en) * | 2019-07-08 | 2020-07-07 | 赵峰 | Flow-reducing delay baffling type anaerobic treatment device |
| WO2020199363A1 (en) * | 2019-03-29 | 2020-10-08 | 云南合续环境科技有限公司 | Device for deep dephosphorization and denitrification of sewage treatment |
| CN213680026U (en) * | 2020-11-12 | 2021-07-13 | 上海交通大学 | Biological ecological coupling's rural sewage treatment device |
-
2020
- 2020-11-12 CN CN202011262632.7A patent/CN112374610B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103979763A (en) * | 2014-05-09 | 2014-08-13 | 陕西省环境科学研究院 | Unpowered mixing and low temperature resistant biochemical treatment device for rural (community) sewage mud liquid |
| WO2017005154A1 (en) * | 2015-07-07 | 2017-01-12 | 洪胜男 | High-efficiency wastewater denitrification and dephosphorization process and system |
| WO2020199363A1 (en) * | 2019-03-29 | 2020-10-08 | 云南合续环境科技有限公司 | Device for deep dephosphorization and denitrification of sewage treatment |
| CN210945001U (en) * | 2019-07-08 | 2020-07-07 | 赵峰 | Flow-reducing delay baffling type anaerobic treatment device |
| CN213680026U (en) * | 2020-11-12 | 2021-07-13 | 上海交通大学 | Biological ecological coupling's rural sewage treatment device |
Non-Patent Citations (1)
| Title |
|---|
| 吴迪;赵秋;高贤彪;赵琳娜;: "厌氧―3级好氧/缺氧生物膜工艺处理农村生活污水", 中国给水排水, no. 07, 1 April 2010 (2010-04-01) * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115246694A (en) * | 2022-01-06 | 2022-10-28 | 山东建筑大学 | Treatment system for organic matters difficult to degrade in sewage |
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| CN112374610B (en) | 2024-04-26 |
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