CN216785833U - Rural domestic sewage treatment plant of energy-conserving AAO of improvement - Google Patents
Rural domestic sewage treatment plant of energy-conserving AAO of improvement Download PDFInfo
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- CN216785833U CN216785833U CN202220378417.1U CN202220378417U CN216785833U CN 216785833 U CN216785833 U CN 216785833U CN 202220378417 U CN202220378417 U CN 202220378417U CN 216785833 U CN216785833 U CN 216785833U
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Abstract
The utility model belongs to the technical field of sewage treatment, and particularly relates to an improved energy-saving AAO rural domestic sewage treatment device which comprises an anaerobic tank, an anoxic tank and an aerobic tank, wherein the anaerobic tank is communicated with the anoxic tank through a first connecting pipe, the anoxic tank is communicated with a second connecting pipe of the aerobic tank, a water inlet pipe is arranged on the anaerobic tank, a water outlet pipe is arranged on the aerobic tank, the water outlet pipe is communicated with a settling tank, a return pipe is communicated with the anaerobic tank, the tail end of the return pipe is communicated with a sludge recovery tank, and a sludge transmission pipe is communicated between the sludge recovery tank and the settling tank; according to the utility model, the anaerobic tank, the anoxic tank, the aerobic tank, the sedimentation tank and the sludge recovery tank are arranged at different heights, so that sewage can normally circulate under the action of gravity, the use of electric power equipment is reduced, the purpose of energy conservation is achieved, the sludge generated in each link can be uniformly treated, and the sludge treatment device is convenient and practical and is worth of being widely popularized.
Description
Technical Field
The utility model belongs to the technical field of sewage treatment, and particularly relates to an improved energy-saving AAO rural domestic sewage treatment device.
Background
The rural domestic sewage problem becomes one of the causes for aggravating agricultural pollution, and the rural domestic sewage has small pollution scale, complex components, high volatility and high concentration of suspended matters and is restricted by local social and economic conditions. According to investigation, the national small-scale sewage treatment has no drainage channel and sewage treatment system, and sewage is discharged randomly, so that serious river water and environmental pollution are caused. However, with the development of society, the treatment capacity of small-scale organized sewage will inevitably increase, and the consumed energy will increase, so how to reasonably arrange and optimize the utilization of energy has great significance for the development of society.
The AAO process treatment is a common sewage treatment process, can be used for secondary sewage treatment or tertiary sewage treatment and reclaimed water recycling, has good denitrification and dephosphorization effects, requires certain cost investment, consumes more electric energy for keeping operation, and is a burden for rural areas with poor economic development.
In view of the above situation, an improved energy-saving AAO rural domestic sewage treatment device is provided, which is more energy-saving and environment-friendly to reduce the energy consumption required for maintaining the operation of equipment to a great extent, and is beneficial to popularization in rural areas.
SUMMERY OF THE UTILITY MODEL
To solve the problems set forth in the background art described above. The utility model provides an improved energy-saving AAO rural domestic sewage treatment device which has the characteristics of energy conservation, environmental protection and strong practicability.
In order to achieve the purpose, the utility model provides the following technical scheme: an improved energy-saving AAO rural domestic sewage treatment device comprises an anaerobic tank, an anoxic tank and an aerobic tank, wherein the anaerobic tank is communicated with the anoxic tank through a first connecting pipe, the anoxic tank is communicated with a second connecting pipe of the aerobic tank, a water inlet pipe is arranged on the anaerobic tank, a water outlet pipe is arranged on the aerobic tank, the water outlet pipe is communicated with a settling tank, a backflow pipe is communicated on the anaerobic tank, the tail end of the backflow pipe is communicated with a sludge recovery tank, a sludge transmission pipe is communicated between the sludge recovery tank and the settling tank, the bottoms of the anaerobic tank, the anoxic tank and the aerobic tank are communicated with a sludge discharge pipe, the anaerobic tank, the anoxic tank and the aerobic tank are consistent in size, the anaerobic tank, the anoxic tank and the aerobic tank are arranged in a staggered mode, the horizontal height of the anoxic tank is half of the horizontal height of the anaerobic tank, the horizontal height of the aerobic tank is half of the horizontal height of the anoxic tank, the horizontal height of the settling tank is one third of that of the aerobic tank, sludge pumps are arranged on the sludge discharge pipe and the sludge transmission pipe, and a water pump is arranged on the return pipe.
Preferably, all be provided with the solenoid valve on inlet tube, the first connecting pipe and the second connecting pipe, just the solenoid valve is the check valve.
Preferably, the first connecting pipe is communicated with the lower middle position of the anaerobic tank and the upper position of the anoxic tank, the second connecting pipe is communicated with the lower middle position of the anoxic tank and the upper position of the aerobic tank, the water inlet pipe is communicated with the upper position of the anaerobic tank, the water outlet pipe is communicated with the lower middle position of the aerobic tank and the top of the settling tank, and the sludge conveying pipe is communicated with the lower part of the settling tank and the upper part of the sludge recovery tank.
Preferably, be provided with the infiltration baffle in the sludge recycling bin, the back flow intercommunication sludge recycling bin's position is located the left side of infiltration baffle.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, the anaerobic tank, the anoxic tank, the aerobic tank, the sedimentation tank and the sludge recovery tank are arranged at different heights, so that sewage can normally circulate under the action of gravity, the use of electric power equipment is reduced, the purpose of energy conservation is achieved, the sludge generated in each link can be uniformly treated, and the sludge treatment device is convenient and practical and is worth of being widely popularized.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:
FIG. 1 is a schematic front sectional view of the present invention;
FIG. 2 is a front view of the present invention;
in the figure: 1. an anaerobic tank; 2. an electromagnetic valve; 3. a first connecting pipe; 4. an anoxic tank; 5. a second connecting pipe; 6. an aerobic tank; 7. a water outlet pipe; 8. a settling tank; 9. a sewage pump; 10. a sludge conveying pipe; 11. a sludge discharge pipe; 12. a sludge recovery tank; 13. a water seepage partition plate; 14. a return pipe; 15. a water pump; 16. and (4) a water inlet pipe.
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.
Examples
Referring to fig. 1-2, the present invention provides the following technical solutions: an improved energy-saving AAO rural domestic sewage treatment device comprises an anaerobic tank 1, an anoxic tank 4 and an aerobic tank 6, wherein the anaerobic tank 1 is communicated with the anoxic tank 4 through a first connecting pipe 3, the anoxic tank 4 is communicated with a second connecting pipe 5 of the aerobic tank 6, a water inlet pipe 16 is arranged on the anaerobic tank 1, a water outlet pipe 7 is arranged on the aerobic tank 6, the water outlet pipe 7 is communicated with a settling tank 8, the settling tank 8 is externally connected with a drainage pipe, the connecting position is positioned at the upper part of the settling tank 8, a return pipe 14 is communicated on the anaerobic tank 1, the tail end of the return pipe 14 is communicated with a sludge recovery tank 12, a sludge transmission pipe 10 is communicated between the sludge recovery tank 12 and the settling tank 8, the bottoms of the anaerobic tank 1, the anoxic tank 4 and the aerobic tank 6 are communicated with a sludge discharge pipe 11, and the sizes of the anaerobic tank 1, the anoxic tank 4 and the aerobic tank 6 are consistent, the anaerobic tank 1, the anoxic tank 4 and the aerobic tank 6 are arranged in a height staggered manner, the horizontal height of the anoxic tank 4 is one half of that of the anaerobic tank 1, the horizontal height of the aerobic tank 6 is one half of that of the anoxic tank 4, the horizontal height of the settling tank 8 is one third of that of the aerobic tank 6, sludge pumps are arranged on the sludge discharge pipe 11 and the sludge transmission pipe 10, and a water pump 15 is arranged on the return pipe 14.
Specifically, all be provided with solenoid valve 2 on inlet tube 16, first connecting pipe 3 and the second connecting pipe 5, just solenoid valve 2 is the check valve.
Specifically, the first connecting pipe 3 is communicated with the lower middle position of the anaerobic tank 1 and the upper position of the anoxic tank 4, the second connecting pipe 5 is communicated with the lower middle position of the anoxic tank 4 and the upper position of the aerobic tank 6, the water inlet pipe 16 is communicated with the upper position of the anaerobic tank 1, the water outlet pipe 7 is communicated with the lower middle position of the aerobic tank 6 and the top of the settling tank 8, and the sludge conveying pipe 10 is communicated with the lower part of the settling tank 8 and the upper part of the sludge recovery tank 12.
Specifically, be provided with infiltration baffle 13 in the sludge recycling tank 12, back flow 14 intercommunication sludge recycling tank 12's position is located the left side of infiltration baffle 13.
The working principle and the using process of the utility model are as follows: when in use, sewage enters the anaerobic tank 1 from the water inlet pipe 16, then enters the anoxic tank 4 from the anaerobic tank 1 through the first connecting pipe 3, then enters the aerobic tank 6 from the anoxic tank 4 through the second connecting pipe 5, finally enters the settling tank 8 from the aerobic tank 6 through the water outlet pipe 7, clear water is discharged after settling, sludge generated in the anaerobic tank 1, the anoxic tank 4, the aerobic tank 6 and the settling tank 8 is pumped and conveyed into the right side position of the water seepage partition plate 13 in the sludge recovery tank 12 from the sludge conveying pipe 11 and the sludge conveying pipe 10 by the sludge pump, partial water contained in the sludge passes through the water seepage partition plate 13 and is pumped to the anaerobic tank 1 for secondary treatment by the return pipe 14, a worker only needs to jack up and clean the sludge in the sludge recovery tank 12, and the worker can set a switch at a proper position for connecting and controlling the electromagnetic valve 2, the sludge pump and the water pump 15, and can be specifically designed according to the actual environment, the utility model sets a plurality of tanks to different heights, the utility model achieves the purpose of sewage circulation, reduces the application of electric power equipment, thereby reducing the small consumption of electric power energy, achieving the purpose of environmental protection and energy saving, and is suitable for rural areas with poor development conditions.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. The utility model provides an energy-conserving AAO rural domestic sewage treatment plant of improvement, includes anaerobism case (1), oxygen deficiency case (4) and aerobic tank (6), its characterized in that: anaerobism case (1) with oxygen deficiency case (4) are linked together through first connecting pipe (3), oxygen deficiency case (4) with good oxygen case (6) second connecting pipe (5) are linked together, be provided with inlet tube (16) on anaerobism case (1), be provided with outlet pipe (7) on good oxygen case (6), outlet pipe (7) intercommunication has setting tank (8), the intercommunication has back flow (14) on anaerobism case (1), the terminal intercommunication mud collection box (12) of back flow (14), mud collection box (12) with intercommunication has mud transmission pipe (10) between setting tank (8), the bottom of anaerobism case (1), oxygen deficiency case (4) and good oxygen case (6) all communicates mud pipe (11), anaerobism case (1), oxygen deficiency case (4) and good oxygen case (6) size unanimity, anaerobism case (1): well, The anaerobic tank (4) and the aerobic tank (6) are arranged in a height staggered manner, the level of the anaerobic tank (4) is one half of that of the anaerobic tank (1), the level of the aerobic tank (6) is one half of that of the anaerobic tank (4), the level of the settling tank (8) is one third of that of the aerobic tank (6), sludge pumps are arranged on the sludge discharge pipe (11) and the sludge transmission pipe (10), and a water pump (15) is arranged on the return pipe (14).
2. The improved energy-saving AAO rural domestic sewage treatment device of claim 1, wherein: all be provided with solenoid valve (2) on inlet tube (16), first connecting pipe (3) and second connecting pipe (5), just solenoid valve (2) are the check valve.
3. The improved energy-saving AAO rural domestic sewage treatment device of claim 1, wherein: the first connecting pipe (3) is communicated with the lower middle position of the anaerobic tank (1) and the upper position of the anoxic tank (4), the second connecting pipe (5) is communicated with the lower middle position of the anoxic tank (4) and the upper position of the aerobic tank (6), the water inlet pipe (16) is communicated with the upper position of the anaerobic tank (1), the water outlet pipe (7) is communicated with the lower middle position of the aerobic tank (6) and the top of the settling tank (8), and the sludge conveying pipe (10) is communicated with the lower part of the settling tank (8) and the upper part of the sludge recovery tank (12).
4. The improved energy-saving AAO rural domestic sewage treatment device of claim 1, wherein: be provided with infiltration baffle (13) in sludge recycling case (12), back flow (14) intercommunication the position of sludge recycling case (12) is located the left side of infiltration baffle (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220378417.1U CN216785833U (en) | 2022-02-24 | 2022-02-24 | Rural domestic sewage treatment plant of energy-conserving AAO of improvement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220378417.1U CN216785833U (en) | 2022-02-24 | 2022-02-24 | Rural domestic sewage treatment plant of energy-conserving AAO of improvement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216785833U true CN216785833U (en) | 2022-06-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220378417.1U Active CN216785833U (en) | 2022-02-24 | 2022-02-24 | Rural domestic sewage treatment plant of energy-conserving AAO of improvement |
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| Country | Link |
|---|---|
| CN (1) | CN216785833U (en) |
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- 2022-02-24 CN CN202220378417.1U patent/CN216785833U/en active Active
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