CN211734101U - Rural sewage nitrogen and phosphorus removal integrated treatment system - Google Patents
Rural sewage nitrogen and phosphorus removal integrated treatment system Download PDFInfo
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- CN211734101U CN211734101U CN201922297836.3U CN201922297836U CN211734101U CN 211734101 U CN211734101 U CN 211734101U CN 201922297836 U CN201922297836 U CN 201922297836U CN 211734101 U CN211734101 U CN 211734101U
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Abstract
The utility model relates to a rural sewage denitrification and dephosphorization integrated treatment system, which comprises a denitrification tank, a first aerobic tank, a first anoxic tank, a second aerobic tank, a second anoxic tank, a third aerobic tank, a sedimentation tank, a disinfection and clear water tank and an artificial wetland which are connected in sequence, the sedimentation tank is connected with a sludge tank, the artificial wetland comprises a barrel-shaped water storage tank and a filler arranged in the barrel-shaped water storage tank, the top of the water storage tank is provided with a water inlet pipe, the bottom of the water storage tank is provided with a water outlet, the filler comprises a covering layer, a filler layer, a filter layer and a drainage layer which are sequentially distributed from top to bottom, plants are planted on the covering layer, the filler layer comprises ceramsite for intercepting suspended microorganisms in the sewage to form a biological membrane, a first aeration pipe is arranged in the drainage layer and communicated with a micro fan through a connecting pipe.
Description
Technical Field
The utility model relates to a sewage treatment field especially relates to a rural sewage nitrogen and phosphorus removal integration processing system.
Background
CN201610641844.3 discloses a method and a device for treating sewage in villages and small towns with high nitrogen and phosphorus removal efficiency, wherein after the sewage enters the device, the sewage is subjected to the action of different types of microorganisms in sequence to complete anoxic denitrification, anaerobic phosphorus release, aerobic phosphorus absorption, anoxic denitrification and aerobic phosphorus absorption, but the content of nitrogen and phosphorus elements in the water treated by the treatment system still needs to be further reduced.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model aims at providing a rural sewage nitrogen and phosphorus removal integration processing system, the utility model discloses can high-efficiently get rid of organic matter, nitrogen element and phosphorus element, go out water stable in water quality.
The utility model discloses a rural sewage nitrogen and phosphorus removal integration processing system, including the denitrification tank that connects gradually, first good oxygen pond, first oxygen deficiency pond, good oxygen pond of second, second oxygen deficiency pond, good oxygen pond of third, the sedimentation tank, disinfection and clean water basin and constructed wetland, the sedimentation tank is connected with the sludge impoundment, constructed wetland includes tubbiness aqua storage tank and the filler of setting in tubbiness aqua storage tank, the top of aqua storage tank is provided with the inlet tube, the bottom of aqua storage tank is provided with the delivery port, filler including the overburden that from top to bottom distributes in proper order, the packing layer, filter layer and drainage blanket, plant the plant on the overburden, the packing layer is including the haydite that is used for holding back suspension microorganism in the sewage in order to form the biomembrane, be provided with first aeration pipe in the drainage blanket, first aeration pipe is linked together through connecting pipe and a.
Furthermore, perforated aeration pipes are arranged in the denitrification tank, the first aerobic tank, the first anoxic tank, the second aerobic tank, the second anoxic tank and the third aerobic tank.
Furthermore, a plurality of biological rope fillers are arranged in the denitrification tank, the first aerobic tank, the first anoxic tank, the second aerobic tank, the second anoxic tank and the third aerobic tank, the biological rope fillers are arranged along the vertical direction, and the top ends of the biological rope fillers are connected with floating balls.
Furthermore, the sedimentation tank is provided with a plurality of inclined tube fillers which are arranged in a W shape along the length direction of the sedimentation tank.
Further, the side wall of the settling tank is inclined toward the inside of the settling tank.
Furthermore, a plurality of drain holes are distributed on the pipe diameter of the water inlet pipe, and liquid entering the water inlet pipe flows out of the drain holes.
Furthermore, the drain holes are distributed at equal intervals along the pipe diameter extension direction of the water inlet pipe and are positioned on one side of the water inlet pipe close to the filler.
Further, the water inlet pipe is coiled into a spiral shape at the top of the water storage tank.
Further, the cover layer comprises a plurality of cobbles with a diameter of 9-11 mm.
Further, the filter layer comprises volcanic rocks for intercepting the biofilm, and the diameter of the volcanic rocks is 19-21 mm.
Borrow by above-mentioned scheme, the utility model discloses at least, have following advantage:
the utility model discloses a set up a plurality of oxygen deficiency ponds and good oxygen pond, fully accomplish to the oxygen deficiency denitrification of sewage, the anaerobism is released phosphorus, good oxygen and is inhaled phosphorus, oxygen deficiency denitrification and good oxygen and inhale the phosphorus process, fully reduce the nitrogen and the phosphorus content in the sewage. And simultaneously, the utility model discloses still combined constructed wetland, utilized the biofilm carrier high efficiency to hold back decomposition characteristic and unique operation then, further realized getting rid of the high efficiency of organic matter, nitrogen and phosphorus.
The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.
Drawings
FIG. 1 is a schematic structural view of the integrated denitrification and dephosphorization treatment system for rural sewage of the utility model;
FIG. 2 is a schematic structural view of a bio-rope packing;
FIG. 3 is a schematic view of the structure of a sedimentation tank;
FIG. 4 is a schematic structural view of the constructed wetland;
FIG. 5 is a schematic view of the structure of the water inlet pipe;
description of reference numerals:
1-a denitrification tank; 2-a first aerobic tank; 3-a first anoxic tank; 4-a second aerobic tank; 5-a second anoxic tank; 6-a third aerobic tank; 7-a sedimentation tank; 8-disinfection and clean water tank; 9-artificial wetland; 10-a sludge tank; 11-bio-rope packing; 12-a floating ball; 70-inclined tube packing; 90-plants; 91-an aerator pipe; 92-a micro fan; 93-a water storage tank; 94-a cover layer; 95-a filler layer; 96-a filter layer; 97-a drainage layer; 98-water outlet; 99-water inlet pipe.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
Examples
Referring to the attached drawings, the utility model discloses a rural sewage nitrogen and phosphorus removal integration processing system of a preferred embodiment, including denitrification tank 1, first good oxygen pond 2, first oxygen deficiency pond 3, second good oxygen pond 4, second oxygen deficiency pond 5, third good oxygen pond 6, sedimentation tank 7, disinfection and clear water basin 8 and constructed wetland 9 that connect gradually, sedimentation tank 7 is connected with sludge impoundment 10. Perforated aeration pipes 91 are arranged in the denitrification tank 1, the first aerobic tank 2, the first anoxic tank 3, the second aerobic tank 4, the second anoxic tank 5 and the third aerobic tank 6. The perforated aeration pipe 91 is intermittently opened to perform the functions of aeration, stirring and mixing. A plurality of biological rope fillers 11 are arranged in the denitrification tank 1, the first aerobic tank 2, the first anoxic tank 3, the second aerobic tank 4, the second anoxic tank 5 and the third aerobic tank 6, the biological rope fillers 11 are arranged along the vertical direction, and the top ends of the biological rope fillers 11 are connected with floating balls 12. Therefore, the biological ropes can be suspended in the pool in the vertical direction, and the treatment effect is improved.
A plurality of inclined tube fillers 70 are arranged in the sedimentation tank 7, the inclined tube fillers 70 are arranged in a W shape along the length direction of the sedimentation tank 7, the arrangement mode increases the contact area of sewage and the fillers, the sedimentation time can be reduced, and the sedimentation speed is accelerated. The side wall of the sedimentation tank 7 inclines towards the inside, and due to the action of gravity, sludge is not easy to accumulate on the side wall after falling, so that the sewage treatment effect is further improved.
The constructed wetland 9 comprises a barrel-shaped water storage tank 93 and filler arranged in the barrel-shaped water storage tank 93, wherein a water inlet pipe 99 is arranged at the top of the water storage tank 93, the water inlet pipe 99 is coiled into a spiral shape at the top of the water storage tank 93 for improving the water distribution uniformity of sewage entering the water storage tank 93, and one end of the water inlet pipe 99 is opened while the other end is closed along the pipe diameter extending direction of the water inlet pipe 99. A plurality of drain holes are distributed on the pipe diameter of the water inlet pipe 99, and the liquid entering the water inlet pipe 99 flows out of the drain holes. The drain holes are distributed at equal intervals along the pipe diameter extension direction of the water inlet pipe 99, and in order to avoid the blockage of the drain holes by solid pollutants, the drain holes are positioned on one side of the water inlet pipe 99 close to the filler, namely, positioned at the bottom of the water inlet pipe 99.
The filler comprises a covering layer 94, a filler layer 95, a filter layer 96 and a drainage layer 97 which are sequentially distributed from top to bottom, plants 90 are planted on the covering layer 94, the filler layer 95 comprises ceramsite used for intercepting suspended microorganisms in the sewage to form a biological membrane, a first aeration pipe 91 is arranged in the drainage layer 97, and the first aeration pipe 91 is communicated with a micro-fan 92 through a connecting pipe. The cover 94 comprises a plurality of cobbles having a diameter of 9-11 mm. The filter layer 96 includes volcanic rock having a diameter of 19-21mm for trapping biofilm. The drainage layer 97 comprises a plurality of volcanic stone layers with the diameter of 28-32mm, the drainage layer 97 is connected with a water outlet 98, and treated water is discharged from the water outlet 98.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The utility model provides a rural sewage nitrogen and phosphorus removal integration processing system which characterized in that: including the denitrification pond, first good oxygen pond, first oxygen deficiency pond, second good oxygen pond, second oxygen deficiency pond, third good oxygen pond, sedimentation tank, disinfection and clean water basin and constructed wetland that connect gradually, the sedimentation tank is connected with the sludge impoundment, constructed wetland includes tubbiness aqua storage tank and sets up filler in the tubbiness aqua storage tank, the top of aqua storage tank is provided with the inlet tube, the bottom of aqua storage tank is provided with the delivery port, filler including overburden, packing layer, filter layer and the drainage blanket that from top to bottom distributes in proper order, plant the plant on the overburden, the packing layer is including the haydite that is used for holding back suspension microorganism in the sewage in order to form the biomembrane, be provided with first aeration pipe in the drainage blanket, first aeration pipe is linked together through connecting pipe and a micro-fan.
2. The rural sewage nitrogen and phosphorus removal integrated treatment system of claim 1, which is characterized in that: perforated aeration pipes are arranged in the denitrification tank, the first aerobic tank, the first anoxic tank, the second aerobic tank, the second anoxic tank and the third aerobic tank.
3. The rural sewage nitrogen and phosphorus removal integrated treatment system of claim 1, which is characterized in that: a plurality of biological rope fillers are arranged in the denitrification tank, the first aerobic tank, the first anoxic tank, the second aerobic tank, the second anoxic tank and the third aerobic tank, the biological rope fillers are arranged along the vertical direction, and the top ends of the biological rope fillers are connected with floating balls.
4. The rural sewage nitrogen and phosphorus removal integrated treatment system of claim 1, which is characterized in that: the sedimentation tank is provided with a plurality of inclined tube fillers which are arranged in a W shape along the length direction of the sedimentation tank.
5. The rural sewage nitrogen and phosphorus removal integrated treatment system of claim 1, which is characterized in that: the side wall of the sedimentation tank inclines towards the interior of the sedimentation tank.
6. The rural sewage nitrogen and phosphorus removal integrated treatment system of claim 1, which is characterized in that: a plurality of drain holes are distributed on the pipe diameter of the water inlet pipe, and liquid entering the water inlet pipe flows out of the drain holes.
7. The rural sewage nitrogen and phosphorus removal integrated treatment system of claim 6, wherein: the drain holes are distributed at equal intervals along the pipe diameter extension direction of the water inlet pipe and are positioned on one side of the water inlet pipe close to the filler.
8. The rural sewage nitrogen and phosphorus removal integrated treatment system of claim 1, which is characterized in that: the water inlet pipe is coiled into a spiral shape at the top of the water storage tank.
9. The rural sewage nitrogen and phosphorus removal integrated treatment system of claim 1, which is characterized in that: the blanket comprises a plurality of cobbles having a diameter of 9-11 mm.
10. The rural sewage nitrogen and phosphorus removal integrated treatment system of claim 1, which is characterized in that: the filter layer comprises volcanic rocks used for intercepting the biological membrane, and the diameter of the volcanic rocks is 19-21 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922297836.3U CN211734101U (en) | 2019-12-19 | 2019-12-19 | Rural sewage nitrogen and phosphorus removal integrated treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922297836.3U CN211734101U (en) | 2019-12-19 | 2019-12-19 | Rural sewage nitrogen and phosphorus removal integrated treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211734101U true CN211734101U (en) | 2020-10-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201922297836.3U Active CN211734101U (en) | 2019-12-19 | 2019-12-19 | Rural sewage nitrogen and phosphorus removal integrated treatment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211734101U (en) |
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2019
- 2019-12-19 CN CN201922297836.3U patent/CN211734101U/en active Active
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