CN220201680U - Urban domestic sewage treatment system - Google Patents
Urban domestic sewage treatment system Download PDFInfo
- Publication number
- CN220201680U CN220201680U CN202321469184.7U CN202321469184U CN220201680U CN 220201680 U CN220201680 U CN 220201680U CN 202321469184 U CN202321469184 U CN 202321469184U CN 220201680 U CN220201680 U CN 220201680U
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- domestic sewage
- treatment system
- sewage treatment
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- 239000010865 sewage Substances 0.000 title claims abstract description 62
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 145
- 238000004062 sedimentation Methods 0.000 claims abstract description 56
- 238000005273 aeration Methods 0.000 claims abstract description 38
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 30
- 230000007704 transition Effects 0.000 claims abstract description 21
- 238000004891 communication Methods 0.000 claims abstract description 19
- 239000000945 filler Substances 0.000 claims abstract description 19
- 238000005189 flocculation Methods 0.000 claims abstract description 12
- 230000016615 flocculation Effects 0.000 claims abstract description 12
- 238000005276 aerator Methods 0.000 claims abstract description 8
- 238000007689 inspection Methods 0.000 claims description 14
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- -1 polyethylene Polymers 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 239000003651 drinking water Substances 0.000 claims 2
- 235000020188 drinking water Nutrition 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 5
- 241000894006 Bacteria Species 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 230000001546 nitrifying effect Effects 0.000 description 4
- 208000028659 discharge Diseases 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000006213 oxygenation reaction Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 230000003116 impacting effect Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 230000001954 sterilising effect Effects 0.000 description 2
- 208000035473 Communicable disease Diseases 0.000 description 1
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- 238000003287 bathing Methods 0.000 description 1
- 239000000645 desinfectant Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 244000000010 microbial pathogen Species 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 244000052769 pathogen Species 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Landscapes
- Treatment Of Biological Wastes In General (AREA)
Abstract
The utility model discloses a town domestic sewage treatment system which comprises an anaerobic tank, a transition tank, an aeration tank, a disinfection tank and a sedimentation tank, wherein the aeration tank is communicated with the sedimentation tank through a communication port, the sedimentation tank is communicated with the disinfection tank through a water port, the disinfection tank is provided with a water outlet, the transition tank is communicated with the anaerobic tank through a water passing port, an aerator is arranged at the bottom of the aeration tank, active biological fillers are placed in the aeration tank in a bulk manner, a support frame is erected at the top of the aeration tank, a water diversion box is arranged at the top of the support frame, a plurality of water diversion holes are arranged at the bottom of the water diversion box, the water diversion box is communicated with a water suction pipe extending into the transition tank, the water suction pipe is connected with a water suction pump, and a plurality of biological flocculation bed layers are arranged on the support frame at the bottom of the water diversion box at intervals downwards. The town domestic sewage treatment system has high treatment efficiency and stable and reliable treatment effect, and can meet the requirement of standard discharge of town domestic sewage.
Description
Technical Field
The utility model relates to the technical field of domestic sewage treatment, in particular to a town domestic sewage treatment system.
Background
The urban domestic sewage mainly comprises kitchen water, washing water, bathing water and the like, the sewage is complex in structure, pollutants contained in the domestic sewage mainly comprise organic matters and a large number of pathogenic microorganisms, the organic matters existing in the domestic sewage are extremely unstable and are easy to decompose to generate malodor, and bacteria and pathogens propagate in a large quantity by taking the organic matters in the domestic sewage as nutrition, so that infectious diseases can be spread and epidemic. Therefore, the domestic sewage must be treated before being discharged.
The existing urban sewage treatment is mainly carried out by a large sewage treatment plant, and the urban sewage is directly discharged after reaching the standard by the sewage treatment plant. However, since the sewage generated in towns is far away from the sewage treatment plant, the cost of laying pipelines to convey the sewage to the sewage treatment plant is high, so that in order to reduce the treatment cost and facilitate the sewage recycling, a small sewage treatment system is arranged in a region with more concentrated sewage discharge, and most of the sewage treatment systems treat the sewage by an anaerobic tank, an aeration tank, a sedimentation tank and a disinfection tank and then discharge the sewage; however, the sewage treatment system has lower treatment efficiency and can not well meet the requirements of urban development sewage discharge treatment. Therefore, there is a need for an efficient town domestic sewage treatment system.
Disclosure of Invention
The utility model aims to provide a town domestic sewage treatment system with high treatment efficiency and stable and reliable treatment effect.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
a town domestic sewage treatment system comprises an anaerobic tank, a transition tank, an aeration tank, a disinfection tank and a sedimentation tank, wherein the aeration tank is communicated with the sedimentation tank through a communication port, the sedimentation tank is communicated with the disinfection tank through a water port, the disinfection tank is provided with a water outlet, the transition tank is communicated with the anaerobic tank through a water port, an aerator is installed at the bottom of the aeration tank, active biological fillers are placed in the aeration tank in bulk, a supporting frame is arranged at the top of the aeration tank, a water diversion tank is arranged at the top of the supporting frame, a plurality of water diversion holes are formed in the bottom of the water diversion tank, a water pumping pipe extending into the transition tank is communicated with a water pumping pump, and a plurality of biological flocculation beds are arranged on the supporting frame at the bottom of the water diversion tank at intervals downwards. When the device is used for the first time, a proper amount of nitrifying bacteria can be added into the transition pool, and the nitrifying bacteria are purchased for use in the market, so that nitrifying bacteria communities can be bred on the biological flocculation bed layer, ammonia nitrogen and nitrite dissolved in water can be decomposed, and the water is fully contacted with air for oxygenation and carbon dioxide removal in the trickling process.
Further preferred is: the lower part of the communication port in the aeration tank is provided with an inclined upward baffle plate, so that the aerated water flow is prevented from directly impacting the water passing port, and the water in the sedimentation tank is disturbed.
Further preferred is: the communication port in the aeration tank is provided with a grid net for preventing the active biological filler from passing through the communication port.
Further preferred is: an anaerobic pool inspection port is arranged at the top of the anaerobic pool; the top of the disinfection tank is provided with a disinfection tank inspection port; the top of sedimentation tank be provided with sedimentation tank inspection port. The arrangement of the inspection port can facilitate inspection and maintenance.
Further preferred is: the anaerobic tank is suspended with biological filler in the anaerobic tank, and biological treatment is performed by using the biological filler.
Further preferred is: the anaerobic tank in be provided with the water pipe, the one end of water pipe stretches out outside the anaerobic tank from the upper portion in anaerobic tank, the other end of water pipe stretches to the lower part in anaerobic tank and is connected with the distributive pipe, the distributive pipe is connected with many water distribution pipes, the bottom of water distribution pipe is provided with a plurality of water distribution holes. The arrangement of the water distribution pipe and the water distribution hole can uniformly distribute water at the bottom of the anaerobic tank, so that the entered water flow is stable, and the influence of the biological anaerobic treatment effect of the anaerobic tank caused by the water flow is reduced.
Further preferred is: the water inlet end of the water pipe is connected with a grating filter, and the grating filter filters impurities in water to avoid the impurities from affecting subsequent treatment work.
Further preferred is: the biological wadding layer is a cotton-shaped biological wadding bed made of polyethylene materials and is horizontally arranged on the supporting frame.
Further preferred is: the disinfection tank is internally provided with a disinfection tank overflow groove which is communicated with the water outlet, overflows and drains water, and can improve the water treatment quality.
Further preferred is: a sewage drain pipe is arranged at the inner bottom of the sedimentation tank, one end of the sewage drain pipe extends out of the sedimentation tank and is provided with a sewage suction pump, and a plurality of sewage suction holes are formed in the bottom of the sewage drain pipe positioned in the sedimentation tank; an inclined tube sedimentation area is arranged in the sedimentation tank above the communication port, a sedimentation tank overflow groove is arranged in the sedimentation tank above the inclined tube sedimentation area, and the sedimentation tank overflow groove is communicated with the water communication port.
The town domestic sewage treatment system has the advantages that:
1. the aerator is arranged at the bottom of the aeration tank, active biological fillers are placed in the aeration tank in a bulk manner, a supporting frame is arranged at the top of the aeration tank, a water diversion box is arranged at the top of the supporting frame, a plurality of water diversion holes are formed in the bottom of the water diversion box, water suction pipes extending into the transition tank are communicated with the water suction pipes, the water suction pipes are connected with water suction pumps, a plurality of layers of biological flocculation beds are arranged on the supporting frame at the bottom of the water diversion box at intervals downwards, water is pumped into the water diversion box through the water suction pumps and the water suction pipes, drops downwards through the water diversion holes of the water diversion box, falls into the aeration tank after passing through the biological flocculation beds, and fully contacts with air for oxygenation and removing carbon dioxide in the process of dripping, and the active biological fillers are aerated and pushed to roll in the aeration tank through the aerator, so that the biological adsorption treatment of the active biological fillers is fully utilized, and the treatment efficiency is improved.
2. The anaerobic tank is internally provided with a water pipe, one end of the water pipe extends out of the anaerobic tank from the upper part of the anaerobic tank, the other end of the water pipe extends to the lower part of the anaerobic tank and is connected with a water distribution pipe, the water distribution pipe is connected with a plurality of water distribution pipes, and a plurality of water distribution holes are formed in the bottom of the water distribution pipe. The arrangement of the water distribution pipes and the water distribution holes can uniformly distribute water at the bottom of the anaerobic tank, so that the entered water flow is stable, the influence of the water flow on the biological anaerobic treatment effect of the anaerobic tank is reduced, and the pressure of the subsequent aeration treatment is also reduced.
3. The water treatment device is provided with a transition pool, water treated by the anaerobic pool enters the transition pool, water in the transition pool is pumped to the water diversion box through the water suction pump and the water suction pipe, and the transition pool is arranged, so that the biological filler treatment effect of the anaerobic pool is reduced when water is pumped.
Drawings
FIG. 1 is a schematic layout view of the present town domestic sewage treatment system;
FIG. 2 is a schematic view of the arrangement of the water distribution pipe;
FIG. 3 is a schematic view of a drain pipe;
FIG. 4 is a schematic view of the mounting arrangement of the bio-batt and water distribution tanks on the support frame;
the part name of the serial number in the figure is:
1. a grille filter; 2. an anaerobic tank; 3. an anaerobic pool inspection port; 4. biological filler of anaerobic tank; 5. a water passing port; 6. a transition pool; 7. a water pumping pipe; 8. a support frame; 9. a biological batt layer; 10. a water diversion box; 11. an aeration tank; 12. an active biological filler; 13. a sedimentation tank inspection port; 14. a water-through port; 15. a sterilizing pool inspection port; 16. a water outlet; 17. an overflow tank of the disinfection tank; 18. a sterilizing pool; 19. an overflow tank of the sedimentation tank; 20. a pipe chute sedimentation zone, 21 and a sedimentation tank; 22. a blow-down pipe; 23. a communication port; 24. a baffle; 25. a grid mesh; 26. an aerator; 27. a water pump; 28. a water distribution hole; 29. a water distribution pipe; 30. a water diversion pipe; 31. a water pipe; 32. dirt sucking holes; 33. a soil pick-up pump; 34. and a water diversion hole.
Detailed Description
For a more detailed description of the utility model, the present town domestic sewage treatment system will be further described below with reference to examples and drawings.
Example 1
A town domestic sewage treatment system comprises an anaerobic tank 2, a transition tank 6, an aeration tank 11, a disinfection tank 18 and a sedimentation tank 21, wherein the aeration tank 11 is communicated with the sedimentation tank 21 through a communication port 23, the sedimentation tank 21 is communicated with the disinfection tank 18 through a water port 14, the disinfection tank 18 is provided with a water outlet 16, the transition tank 6 is communicated with the anaerobic tank 2 through a water port 5, an aerator 26 is arranged at the bottom of the aeration tank 11, active biological fillers 12 are placed in bulk in the aeration tank 11, a supporting frame 8 is erected at the top of the aeration tank 11, a water diversion box 10 is arranged at the top of the supporting frame 8, a plurality of water diversion holes 34 are formed at the bottom of the water diversion box 10, the water diversion box 10 is communicated with a water suction pipe 7 extending into the transition tank 6, the water suction pipe 7 is connected with a water suction pump 27, and a plurality of biological flocculation beds 9 are arranged on the supporting frame 8 at the bottom of the water diversion box 10 at intervals downwards.
The lower part of the communication port 23 in the aeration tank 11 is provided with an inclined upward baffle 24, so that the aerated water flow is prevented from directly impacting the water passing port 23, and the water in the sedimentation tank 21 is disturbed.
The communication port 23 in the aeration tank 11 is provided with a grid net 25 for preventing the active biological filler 12 from passing through the communication port 23.
An anaerobic tank inspection port 3 is arranged at the top of the anaerobic tank 2; a disinfection tank inspection port 15 is arranged at the top of the disinfection tank 18; the top of the sedimentation tank 21 is provided with a sedimentation tank inspection opening 13.
An anaerobic tank biological filler 4 is suspended in the anaerobic tank 2. The anaerobic tank 2 in be provided with the water pipe 31, the one end of water pipe 31 stretches out outside the anaerobic tank 2 from the upper portion of anaerobic tank 2, the other end of water pipe 31 stretches to the lower part of anaerobic tank 2 and is connected with water diversion pipe 30, water diversion pipe 30 is connected with many water distribution pipes 29, the bottom of water distribution pipe 29 is provided with a plurality of water distribution holes 28.
The water inlet end of the water pipe 31 is connected with a grille filter 1.
The biological flocculation bed layer 9 is a cotton-shaped biological flocculation bed made of polyethylene material and is horizontally arranged on the supporting frame 8.
The disinfection tank 18 is internally provided with a disinfection tank overflow groove 17, and the disinfection tank overflow groove 17 is communicated with the water outlet 16.
A drain pipe 22 is arranged at the inner bottom of the sedimentation tank 21, one end of the drain pipe 22 extends out of the sedimentation tank 21 and is provided with a sewage suction pump 33, and a plurality of sewage suction holes 32 are arranged at the bottom of the drain pipe 22 in the sedimentation tank 21; a sloped tube sedimentation zone 20 is arranged in the sedimentation tank 21 above the communication port 23, a sedimentation tank overflow groove 19 is arranged in the sedimentation tank 21 above the sloped tube sedimentation zone 20, and the sedimentation tank overflow groove 19 is communicated with the water through port 14.
The working process of the town domestic sewage treatment system is as follows: after passing through sundries through the grid filter 1, urban domestic sewage is guided by the water pipe 31 and is distributed to the water distribution pipe 29 through the water distribution pipe 30, then the sewage enters the anaerobic tank 2 from the water distribution hole of the water distribution pipe 29, sewage in the anaerobic tank 2 is adsorbed and treated by the biological filler 4 of the anaerobic tank, flows through the water passing hole 5 into the transition tank 6, is pumped into the water distribution box 10 through the water suction pump 27 and the water suction pipe 7, drops downwards through the water distribution hole 34 and then drops onto the biological flocculation bed 9 below in sequence, passes through the biological flocculation bed 9 and then falls into the aeration tank 11, the aerator 26 works for aeration and oxygenation, the water flow pushes the active biological filler 12 to turn in the aeration tank 11 to adsorb organic matters in the decomposed water, the water in the aeration tank 11 enters the sedimentation tank 21 from the communication hole 23, is precipitated by the inclined pipe sedimentation area 20, overflows from the sedimentation tank overflow groove 19, then enters the disinfection tank 18 from the water passing hole 14, and is discharged from the water outlet 16 after reaching the standard after ultraviolet disinfection or disinfectant. Sludge deposited at the bottom of the sedimentation tank 21 is sucked by a sewage suction pump 33, and the sludge enters the sewage discharge pipe 22 from the sewage suction hole 32 and is discharged. When in first use, nitrifying bacteria can be put in the transition pool 6.
The above description is not intended to limit the utility model to the particular embodiments disclosed, but to limit the utility model to the particular embodiments disclosed, as many variations, modifications, additions and substitutions are possible, without departing from the scope of the utility model as disclosed in the accompanying claims.
Claims (10)
1. The utility model provides a town domestic sewage treatment system, includes anaerobic tank (2), aeration tank (11), disinfection pond (18) and sedimentation tank (21), aeration tank (11) communicate with sedimentation tank (21) through communication port (23), sedimentation tank (21) communicate with disinfection pond (18) through water port (14), disinfection pond (18) are provided with outlet (16), its characterized in that: still including transition pond (6), transition pond (6) are through crossing mouth of a river (5) and anaerobic tank (2) intercommunication, aerator (26) are installed to the bottom of aeration tank (11), active biological filler (12) have been placed in bulk in aeration tank (11), support frame (8) have been erect at the top of aeration tank (11), the top of support frame (8) is provided with shunt case (10), the bottom of shunt case (10) is provided with a plurality of water knockout holes (34), shunt case (10) intercommunication has and stretches to drinking-water pipe (7) in transition pond (6), drinking-water pipe (7) are connected with suction pump (27), be down the interval arrangement on support frame (8) of shunt case (10) bottom and install multilayer biological wadding bed (9).
2. The town domestic sewage treatment system of claim 1, wherein: the lower part of the communication port (23) in the aeration tank (11) is provided with an inclined baffle (24).
3. The town domestic sewage treatment system of claim 1 or 2, wherein: the communication port (23) in the aeration tank (11) is provided with a grid net (25) for preventing the active biological filler (12) from passing through the communication port (23).
4. The town domestic sewage treatment system of claim 1, wherein: an anaerobic tank inspection port (3) is arranged at the top of the anaerobic tank (2); a disinfection pool inspection port (15) is arranged at the top of the disinfection pool (18); the top of the sedimentation tank (21) is provided with a sedimentation tank inspection opening (13).
5. The town domestic sewage treatment system of claim 1 or 4, wherein: the anaerobic tank (2) is internally suspended with an anaerobic tank biological filler (4).
6. The town domestic sewage treatment system of claim 5, wherein: the anaerobic tank (2) in be provided with water pipe (31), the one end of water pipe (31) stretches out outside anaerobic tank (2) from the upper portion of anaerobic tank (2), the other end of water pipe (31) stretches to the lower part of anaerobic tank (2) and is connected with shunt tubes (30), shunt tubes (30) are connected with many water distribution pipes (29), the bottom of water distribution pipe (29) is provided with a plurality of water distribution holes (28).
7. The town domestic sewage treatment system of claim 6, wherein: the water inlet end of the water pipe (31) is connected with a grille filter (1).
8. The town domestic sewage treatment system of claim 1, wherein: the biological flocculation bed layer (9) is a cotton-shaped biological flocculation bed made of polyethylene material and is horizontally arranged on the supporting frame (8).
9. The town domestic sewage treatment system of claim 1, wherein: the disinfection tank (18) is internally provided with a disinfection tank overflow groove (17), and the disinfection tank overflow groove (17) is communicated with the water outlet (16).
10. The town domestic sewage treatment system of claim 1, wherein: a drain pipe (22) is arranged at the inner bottom of the sedimentation tank (21), one end of the drain pipe (22) extends out of the sedimentation tank (21), a sewage suction pump (33) is arranged, and a plurality of sewage suction holes (32) are formed in the bottom of the drain pipe (22) in the sedimentation tank (21); an inclined tube sedimentation zone (20) is arranged in the sedimentation tank (21) above the communication port (23), a sedimentation tank overflow groove (19) is arranged in the sedimentation tank (21) above the inclined tube sedimentation zone (20), and the sedimentation tank overflow groove (19) is communicated with the water through port (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321469184.7U CN220201680U (en) | 2023-06-09 | 2023-06-09 | Urban domestic sewage treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321469184.7U CN220201680U (en) | 2023-06-09 | 2023-06-09 | Urban domestic sewage treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220201680U true CN220201680U (en) | 2023-12-19 |
Family
ID=89149634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321469184.7U Active CN220201680U (en) | 2023-06-09 | 2023-06-09 | Urban domestic sewage treatment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220201680U (en) |
-
2023
- 2023-06-09 CN CN202321469184.7U patent/CN220201680U/en active Active
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