CN214829743U - Nitrogen and phosphorus removal integrated reaction device suitable for rural domestic sewage treatment - Google Patents
Nitrogen and phosphorus removal integrated reaction device suitable for rural domestic sewage treatment Download PDFInfo
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- CN214829743U CN214829743U CN202120330913.5U CN202120330913U CN214829743U CN 214829743 U CN214829743 U CN 214829743U CN 202120330913 U CN202120330913 U CN 202120330913U CN 214829743 U CN214829743 U CN 214829743U
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- horizontal box
- domestic sewage
- aerobic reaction
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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Abstract
The utility model discloses a nitrogen and phosphorus removal integration reaction unit who is fit for rural domestic sewage treatment, the division board that is provided with vertical extension in the horizontal box separates into the horizontal box and is located left oxygen deficiency denitrification district and the aerobic reaction district that is located the right side of mutual UNICOM, the bottom in aerobic reaction district is provided with the aerator, the upper portion in oxygen deficiency denitrification district is provided with the water inlet, the right side in aerobic reaction district is provided with vertical fender stream board, it is gapped between the lower extreme of this vertical fender stream board and the bottom plate of horizontal box, the interval is provided with two three-phase separators from top to bottom between the right side wall of this vertical fender stream board and horizontal box, regional component dephosphorization agent mixed reaction district between these two three-phase separators, the region that is located the top of the three-phase separator of top is the settling zone. The device has the advantages of small occupied area, less equipment investment and low operation cost, can realize denitrification and dephosphorization integrally, and is suitable for treating domestic sewage dispersedly discharged in rural areas.
Description
Technical Field
The utility model relates to a nitrogen and phosphorus removal integrated reaction device suitable for rural domestic sewage treatment, which belongs to the field of water treatment.
Background
In recent years, the treatment problem of rural domestic sewage is increasingly remarkable, most of the rural domestic sewage is directly discharged into peripheral water bodies on the spot, so that the pollution of ponds and rivers is caused, and the method is a great potential safety hazard of rural life. The unstable treatment efficiency and the low standard reaching rate of nutrient elements such as nitrogen, phosphorus and the like in rural domestic sewage are the difficulties faced by the existing treatment process.
At present, an anoxic denitrification tank, an aerobic tank, a sedimentation tank (sludge-water separation), a flocculation reaction tank and a final sedimentation tank (phosphorus removal) are required to be constructed in the water treatment nitrogen and phosphorus removal process, the occupied area is large, the cost is high, and the process is not suitable for treating and using rural domestic sewage which is dispersedly discharged, so that more treatment equipment which is high in efficiency, simple, low in cost and small in occupied area and suitable for treating the rural domestic sewage are required.
SUMMERY OF THE UTILITY MODEL
To the technical problem, an object of the utility model is to provide a nitrogen and phosphorus removal integration reaction unit who is fit for rural domestic sewage treatment, area is little, and the energy consumption is low, and the treatment effeciency is high.
In order to realize the purpose, the technical scheme of the utility model is that: the utility model provides a nitrogen and phosphorus removal integration reaction unit who is fit for rural domestic sewage treatment, includes horizontal box, its characterized in that: the horizontal box body is divided into an anoxic denitrification zone at the left side and an aerobic reaction zone at the right side which are communicated with each other by a vertically extending partition plate arranged in the horizontal box body, an aerator is arranged at the bottom of the aerobic reaction zone, a water inlet is arranged at the upper part of the anoxic denitrification zone, a vertical flow baffle is arranged at the right side of the aerobic reaction zone, a gap is arranged between the lower end of the vertical flow baffle and the bottom plate of the horizontal box body, two three-phase separators are arranged between the vertical flow baffle and the right side wall of the horizontal box body at intervals from top to bottom, a region between the two three-phase separators forms a phosphorus removing agent mixing reaction zone, a phosphorus removing agent feeding pipe extends from the top end of the horizontal box body to the phosphorus removing agent mixing reaction zone, the region above the upper three-phase separator is a settling zone, an annular water outlet groove is arranged at the upper part of the settling zone, and the aerator is also arranged close to the upper side of the three-phase separator below, conical mud discharging hoppers are distributed below the three-phase separators located above, all the conical mud discharging hoppers are provided with mud discharging ports connected with mud discharging pipes, and gas-liquid discharge pipes of the two three-phase separators penetrate through the vertical flow baffle and extend to the position above the water surface of the aerobic reaction area on the left side of the vertical flow baffle.
By adopting the scheme, the wastewater enters from the water inlet and reacts in the anoxic denitrification area, the denitrifying bacteria reduce nitrate and release molecular nitrogen (N) under the anoxic condition2) Or dinitrogen monoxide (N)2O). Then enters an aerobic reaction zone to further degrade organic matters. Then, under the action of a three-phase separator at the lower side, gas-solid-liquid separation is preliminarily realized, liquid enters a phosphorus removing agent mixing reaction zone, phosphorus is further removed under the action of a phosphorus removing agent, and then clear water is discharged from an annular water outlet groove after the gas-solid-liquid separation is realized through a three-phase separator at the upper part. The gas-liquid mixture of the three-phase separator is led out to the water surface of the aerobic reaction zone through a gas-liquid outlet pipe, the gas is directly discharged, and the liquid is directly dischargedAnd then the sludge is returned to the aerobic reaction zone, and the sludge in the lower three-phase separator is precipitated to the aerobic zone without backflow.
In the scheme, the method comprises the following steps: and a water outlet pipe is arranged on the water outlet groove.
In the scheme, the method comprises the following steps: the bottom of the aerobic reaction zone is provided with a mixed liquid return pipe which is connected with a mixed liquid mixing port at the upper part of the anoxic denitrification zone, and the mixed liquid return pipe is provided with a mixed liquid return pump.
In the above scheme, the aerators are all installed on the aeration pipe, and the aeration pipe is provided with the air regulating valve.
Has the advantages that: the utility model discloses a nitrogen and phosphorus removal integration reaction unit who is fit for rural domestic sewage treatment, area, equipment investment is few, and the running cost is low, can integrate and realize nitrogen and phosphorus removal, is fit for rural decentralized domestic sewage's of discharging treatment.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The invention will be further described by way of examples with reference to the accompanying drawings:
in example 1, as shown in fig. 1, the integrated reaction apparatus for nitrogen and phosphorus removal suitable for rural domestic sewage treatment is composed of a horizontal box 1, a partition plate 2, an anoxic denitrification zone 3, an aerobic reaction zone 4, an aerator 5, a water inlet 6, a vertical flow baffle 7, a three-phase separator 8, a phosphorus removal agent mixing reaction zone 9, a settling zone 10, an annular water outlet tank 11, a conical sludge discharge hopper 12, a sludge discharge pipe 13, a gas-liquid discharge pipe 14, a mixed liquid reflux pump 15, a gas regulating valve 16 and a phosphorus removal agent dosing pipe 17.
A vertically extending partition plate 2 is arranged in the horizontal box body 1 to divide the horizontal box body into an anoxic denitrification zone 3 positioned at the left side and an aerobic reaction zone 4 positioned at the right side which are communicated with each other, an aerator 5 is arranged at the bottom of the aerobic reaction zone 4, a water inlet 6 is arranged at the upper part of the anoxic denitrification zone 3, a vertical flow baffle 7 is arranged at the right side of the aerobic reaction zone 4, a gap is reserved between the lower end of the vertical flow baffle 7 and the bottom plate of the horizontal box body 1, two three-phase separators 8 are arranged between the vertical flow baffle 7 and the right side wall of the horizontal box body 1 at an interval from top to bottom, one of the three-phase separators is positioned at the lower end of the vertical flow baffle 7, the other is positioned at the middle part, the area between the two three-phase separators 8 forms a phosphorus removing agent mixing reaction zone 9, a phosphorus removing agent feeding pipe 17 extends to the phosphorus removing agent mixing reaction zone 9 from the top end of the box body 1, and the area above the three-phase separator 8 is a settling zone 10, an annular water outlet groove 11 is arranged at the upper part of the settling zone 10, and a water outlet pipe is arranged on the annular water outlet groove 11.
An aerator 5 is also arranged on the upper side of the three-phase separator 8 which is close to the lower side, conical sludge discharge hoppers 12 are distributed below the three-phase separator 8 which is positioned above, the openings of the conical sludge discharge hoppers 12 face upwards and are used for receiving sludge falling from the three-phase separator 8 which is positioned above, all the conical sludge discharge hoppers 12 are provided with sludge discharge ports which are connected with sludge discharge pipes 13, and gas-liquid discharge pipes 14 of the two three-phase separators 8 penetrate through the vertical flow baffle 7 to extend to the upper part of the water surface of the aerobic reaction zone 9 which is positioned on the left side of the vertical flow baffle 7.
The bottom of the aerobic reaction zone 4 is provided with a mixed liquid return pipe which is connected with the mixed liquid mixed flow port at the upper part of the anoxic denitrification zone 3, and the mixed liquid return pipe is provided with a mixed liquid return pump 15. The aerators 5 are all arranged on aeration pipes, and the aeration pipes are provided with air adjusting valves 16.
The present invention is not limited to the above embodiments, and those skilled in the art can understand that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (4)
1. The utility model provides a nitrogen and phosphorus removal integration reaction unit who is fit for rural domestic sewage treatment, includes horizontal box, its characterized in that: the horizontal box body is divided into an anoxic denitrification area on the left side and an aerobic reaction area on the right side which are communicated with each other by a vertically extending partition plate arranged in the horizontal box body, a water inlet is arranged at the upper part of the anoxic denitrification area, an aerator is arranged at the bottom of the aerobic reaction area, a vertical flow baffle is arranged at the right side of the aerobic reaction area, a gap is arranged between the lower end of the vertical flow baffle and the bottom plate of the horizontal box body, two three-phase separators are arranged between the vertical flow baffle and the right side wall of the horizontal box body at intervals from top to bottom, a region between the two three-phase separators forms a phosphorus removing agent mixing reaction region, a phosphorus removing agent feeding pipe extends from the top end of the horizontal box body to the phosphorus removing agent mixing reaction region, the region above the upper three-phase separator is a settling region, an annular water outlet groove is arranged at the upper part of the settling region, and the aerator is also arranged close to the upper side of the three-phase separator below, conical mud discharging hoppers are distributed below the three-phase separators located above, all the conical mud discharging hoppers are provided with mud discharging ports connected with mud discharging pipes, and gas-liquid discharge pipes of the two three-phase separators penetrate through the vertical flow baffle and extend to the position above the water surface of the aerobic reaction area on the left side of the vertical flow baffle.
2. The integrated denitrification and dephosphorization reactor suitable for rural domestic sewage treatment according to claim 1, wherein: and a water outlet pipe is arranged on the water outlet groove.
3. The integrated denitrification and dephosphorization reactor suitable for rural domestic sewage treatment according to claim 2, wherein: the bottom of the aerobic reaction zone is provided with a mixed liquid return pipe which is connected with a mixed liquid mixing port at the upper part of the anoxic denitrification zone, and the mixed liquid return pipe is provided with a mixed liquid return pump.
4. The integrated denitrification and dephosphorization reactor suitable for rural domestic sewage treatment according to any one of claims 1-3, wherein: the aerator is arranged on the aeration pipe, and the aeration pipe is provided with an air regulating valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120330913.5U CN214829743U (en) | 2021-02-05 | 2021-02-05 | Nitrogen and phosphorus removal integrated reaction device suitable for rural domestic sewage treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120330913.5U CN214829743U (en) | 2021-02-05 | 2021-02-05 | Nitrogen and phosphorus removal integrated reaction device suitable for rural domestic sewage treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214829743U true CN214829743U (en) | 2021-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120330913.5U Active CN214829743U (en) | 2021-02-05 | 2021-02-05 | Nitrogen and phosphorus removal integrated reaction device suitable for rural domestic sewage treatment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214829743U (en) |
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2021
- 2021-02-05 CN CN202120330913.5U patent/CN214829743U/en active Active
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