CN219174299U - MAP precipitation nitrogen and phosphorus removal reactor - Google Patents
MAP precipitation nitrogen and phosphorus removal reactor Download PDFInfo
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- CN219174299U CN219174299U CN202223458627.0U CN202223458627U CN219174299U CN 219174299 U CN219174299 U CN 219174299U CN 202223458627 U CN202223458627 U CN 202223458627U CN 219174299 U CN219174299 U CN 219174299U
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- 238000001556 precipitation Methods 0.000 title claims abstract description 48
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title claims abstract description 38
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 title claims abstract description 23
- 229910052698 phosphorus Inorganic materials 0.000 title claims abstract description 23
- 239000011574 phosphorus Substances 0.000 title claims abstract description 23
- 229910052757 nitrogen Inorganic materials 0.000 title claims abstract description 19
- 239000010865 sewage Substances 0.000 claims abstract description 42
- 230000007246 mechanism Effects 0.000 claims abstract description 22
- 238000004062 sedimentation Methods 0.000 claims description 14
- 238000007789 sealing Methods 0.000 claims description 6
- 238000003756 stirring Methods 0.000 abstract description 22
- 238000002156 mixing Methods 0.000 abstract description 20
- 238000006243 chemical reaction Methods 0.000 abstract description 19
- 238000000034 method Methods 0.000 abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 11
- 230000007774 longterm Effects 0.000 abstract description 9
- 239000000203 mixture Substances 0.000 abstract description 9
- 238000012423 maintenance Methods 0.000 abstract description 6
- 238000005260 corrosion Methods 0.000 abstract description 5
- 230000007797 corrosion Effects 0.000 abstract description 5
- 239000002244 precipitate Substances 0.000 description 6
- 239000003795 chemical substances by application Substances 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000011259 mixed solution Substances 0.000 description 2
- 230000001376 precipitating effect Effects 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910000389 calcium phosphate Inorganic materials 0.000 description 1
- 239000001506 calcium phosphate Substances 0.000 description 1
- 235000011010 calcium phosphates Nutrition 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 description 1
- AAKBLFQBZDFKMP-UHFFFAOYSA-H trimagnesium azane diphosphate Chemical compound N.[Mg+2].[Mg+2].[Mg+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O AAKBLFQBZDFKMP-UHFFFAOYSA-H 0.000 description 1
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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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- Removal Of Specific Substances (AREA)
Abstract
The utility model discloses a MAP precipitation nitrogen and phosphorus removal reactor, which comprises a reactor main body, wherein two feeding pipes for feeding sewage and a precipitant are arranged on the upper surface of the reactor main body, a water outlet pipe is arranged on the lower surface of the reactor main body, an electromagnetic valve is arranged on the water outlet pipe, a circulating mechanism for conveying the sewage from the bottom to the upper part is arranged on the reactor main body, a detachable precipitation device is arranged in the reactor main body, a mixture of the sewage and the precipitant is conveyed back to the upper part from the bottom of the reactor main body through the circulating mechanism, the mixture is continuously circulated, thus the mixing of the sewage and the precipitant is completed, the stirring mechanism or other mechanisms are not required in the mixing process, the corrosion, precipitation adhesion and the like caused by arranging the stirring mechanism or other mechanisms in the reactor main body are avoided, the long-term mixing treatment is influenced, the MAP precipitation nitrogen and phosphorus removal reaction is suitable for the long-term sewage, the sewage treatment cost is reduced, and the maintenance times are reduced.
Description
Technical Field
The utility model relates to the technical field of sewage treatment, in particular to a MAP precipitation nitrogen and phosphorus removal reactor.
Background
The phosphorus recovery route in the wastewater mainly comprises a precipitation method of calcium phosphate and Magnesium Ammonia Phosphate (MAP). MAP precipitation is a promising approach to phosphorus recovery because it can achieve both efficient removal and efficient recovery of ammonia and phosphorus.
In the process of recycling phosphorus by adopting the MAP precipitation method, the mixing degree of the precipitant and the phosphating wastewater directly influences the dephosphorization effect of the reactor, and meanwhile, enough precipitation time is needed to ensure the separation effect of the slurry-water mixed solution after the reaction.
The utility model patent of China with application number 202122426720.2 discloses a MAP denitrification and dephosphorization reactor for sewage with high ammonia nitrogen and high total phosphorus, which comprises a reaction tank, wherein a driving motor is fixedly arranged on the upper surface of the reaction tank, a rotating rod is fixedly arranged at the output end of the driving motor, a lower stirring rod is fixedly arranged on the outer surface of the rotating rod, a plurality of limiting blocks are fixedly arranged on the outer surface of the rotating rod at equal intervals, sliding grooves are formed between every two adjacent limiting blocks, two hydraulic telescopic columns are fixedly arranged on the upper surface of the reaction tank, connecting blocks are fixedly arranged on the lower surface of each hydraulic telescopic column, rotating blocks are rotatably arranged in the connecting blocks, a plurality of tooth blocks are equidistantly arranged on the outer surface of each rotating block, the tooth blocks are meshed and arranged in the sliding grooves, two fixing rods are fixedly arranged on the lower surface of each rotating block, a stirring plate is arranged between the two fixing rods, a dissolving agent is thrown into the reaction tank through a dissolving agent throwing port when the stirring plate is used, then the rotating block, the fixing rods and the stirring plate are driven by stretching of the hydraulic telescopic columns according to the height of sewage in the reaction tank, after the adjustment, the driving motor is connected with a power supply to work through a wire, the driving motor drives the rotating rod and the lower stirring plate through the rotating block and the stirring plate, and the stirring plate are driven by the rotating block and the stirring plate through the rotating block and the stirring plate to dissolve agent.
Although the stirring effect is better in theory, the corresponding stirring and mixing can be carried out according to the water level of the treated sewage, but the mode of driving two stirring plates adopts a limiting block and a tooth block which are similar to the meshing of gears, and the treated sewage and sediment and the like are corrosive, if a metal gear is used, the corrosion and the damage of the components are easy to cause, the long-term stirring and mixing can not be carried out, even if a plastic gear which is not easy to corrode is used, various reactants are easy to be stained between gears in the sewage treatment process, the phenomena of meshing or slipping and the like are not easy to occur, and the phenomena of high sewage treatment cost and frequent maintenance are also not easy to use for a long time, so the MAP precipitation nitrogen and phosphorus removal reaction is not suitable for; meanwhile, the precipitate generated after the reaction and the sewage liquid are not easy to separate and discharge, and the use is inconvenient.
Disclosure of Invention
The utility model aims to overcome the existing defects, and provides the MAP precipitation nitrogen and phosphorus removal reactor, the mixture of sewage and precipitant is conveyed back to the upper part from the bottom of the reactor main body through the circulating mechanism, so that the mixture of the sewage and the precipitant is continuously circulated, stirring is not needed in the mixing process, the long-term mixing treatment caused by corrosion, precipitation adhesion and the like due to the arrangement of a stirring mechanism or other mechanisms in the mixing process is avoided, and the problems in the background art can be effectively solved.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the MAP precipitation nitrogen and phosphorus removal reactor comprises a reactor main body, wherein two feeding pipes for feeding sewage and precipitating agents are arranged on the upper surface of the reactor main body, a water outlet pipe is arranged on the lower surface of the reactor main body, an electromagnetic valve is arranged on the water outlet pipe, a circulating mechanism for conveying the sewage from the bottom to the upper part is arranged on the reactor main body, and a detachable precipitation device is arranged in the reactor main body.
As a preferable technical scheme of the utility model, the circulating mechanism comprises two circulating pipes symmetrically arranged on two sides of the reactor main body, an inlet of each circulating pipe is arranged on the side surface of the bottom of the reactor main body, an outlet of each circulating pipe is arranged on the upper surface of the reactor main body, and a circulating pump is arranged on each circulating pipe.
As a preferable technical scheme of the utility model, the sedimentation device comprises an annular sedimentation plate arranged in a reactor main body, a sedimentation net is arranged at the bottom of the sedimentation plate, a clamping groove is formed in the lower part of the side surface of the reactor main body, an arc-shaped fixing plate is clamped in the clamping groove, and the inner side surface of the fixing plate is fixedly connected with the sedimentation plate.
Compared with the prior art, the utility model has the beneficial effects that: the mixture of the sewage and the precipitant is conveyed back to the upper part from the bottom of the reactor main body through the circulation mechanism, and the mixture is continuously circulated to complete the mixing of the sewage and the precipitant, so that stirring is not needed in the mixing process, the influence on long-term mixing treatment caused by corrosion, precipitation adhesion and the like due to the arrangement of the stirring mechanism or other mechanisms in the mixing process is avoided, the method is suitable for long-term MAP precipitation nitrogen and phosphorus removal reaction of the sewage, the sewage treatment cost is reduced, and the maintenance times are reduced; the detachable precipitation device is used for receiving the precipitate generated in the reaction process, and after the reaction is completed and the corresponding precipitation time is reached, the sewage and the precipitate can be respectively discharged, so that the separation is convenient and the operation is simple.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of a partial cross-sectional structure of the present utility model;
FIG. 3 is a schematic side view of the structure of FIG. 2 of the present utility model;
FIG. 4 is a schematic diagram of a settling device according to the present utility model;
fig. 5 is a schematic top view of a partial cross-sectional structure of the present utility model.
In the figure: 1 a reactor main body, 2 a feeding pipe, 3 a circulating pipe, 4 a circulating pump, 5 a water outlet pipe, 6 a fixing plate, 7 a handle, 8 a fixing bolt, 9 a sedimentation plate, 10 a sedimentation net, 11 a sealing gasket and 12 an electromagnetic valve.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-5, the present utility model provides a technical solution: the MAP precipitation nitrogen and phosphorus removal reactor comprises a reactor main body 1, wherein two feeding pipes 2 used for feeding sewage and precipitating agents respectively are arranged on the upper surface of the reactor main body, a water outlet pipe 5 used for discharging sewage after solid-liquid separation is arranged on the lower surface of the reactor main body 1, and an electromagnetic valve 12 used for controlling the switch of the water outlet pipe 5 is arranged on the water outlet pipe 5.
The reactor is characterized in that a circulating mechanism for conveying sewage from the bottom to the upper part is arranged on the reactor main body 1, a mixture of the sewage and the precipitant is conveyed back to the upper part from the bottom of the reactor main body through the circulating mechanism, the mixture of the sewage and the precipitant is continuously circulated, stirring is not needed in the mixing process, corrosion, precipitation adhesion and the like caused by the arrangement of a stirring mechanism or other mechanisms are avoided, long-term mixing treatment is affected, and the reactor is suitable for long-term MAP precipitation nitrogen and phosphorus removal reaction of the sewage, the sewage treatment cost is reduced, and the maintenance times are reduced.
The inside of the reactor main body 1 is provided with a detachable precipitation device for receiving the precipitate generated in the reaction process, and after the reaction is completed and the corresponding precipitation time is reached, sewage and the precipitate can be respectively discharged, so that the separation is convenient and the operation is simple.
Optionally, a filter screen is arranged at the water outlet pipe 5 for filtering sediment.
Preferably, the circulation mechanism comprises two circulation pipes 3 symmetrically arranged at two sides of the reactor main body 1, an inlet of each circulation pipe 3 is arranged on the side surface of the bottom of the reactor main body 1, an outlet of each circulation pipe 3 is arranged on the upper surface of the reactor main body 1, and each circulation pipe 3 is provided with a circulation pump 4, after sewage, precipitant and the like are discharged into the reactor main body 1 through the feed pipe 2, the circulation pumps 4 transport the mixed solution at the bottom to the upper part through the circulation pipes 3 and enter the reactor main body 1 again, if circulation is repeated, the mixing of the sewage and the precipitant is completed in the circulation process, so that the mixing speed and the sewage treatment efficiency are improved, stirring is not needed in the mixing process, the maintenance is not needed, the reactor is not required to be opened for maintenance, the sewage treatment cost is reduced, and the circulation mechanism is suitable for long-term MAP precipitation nitrogen and phosphorus removal reaction.
Further, referring to fig. 5, the two feeding pipes 2 and the two circulating pipes 3 are alternately and uniformly arranged on the reactor main body 1, and the parts of the two feeding pipes 2 and the two circulating pipes 3 extending into the reactor main body 1 from the upper part are all inclined, that is, the outlets of the feeding pipes 2 and the outlets of the circulating pipes 3 are all inclined, and the four outlets are arranged in a clockwise or anticlockwise rotation mode, and the inclination range is preferably 15-30 degrees, so that sewage discharged from the outlets of the feeding pipes 2 and the outlets of the circulating pipes 3 and the like continuously impact the sewage in the reactor main body 1 in an inclined downward direction in the feeding and circulating process, so that the sewage rotates, the solid-liquid mixture is stirred, the mixing efficiency can be improved by self-mixing by impact force, and the working efficiency is further improved.
The circulation pump 4 and the electromagnetic valve 12 are electrically connected with an external control switch, and are all electronic components commonly used in the prior art, and the specific structure, the working principle, the circuit connection and the like are all known techniques and are not described herein.
Preferably, the precipitation device comprises an annular precipitation plate 9 arranged in the reactor main body 1, a precipitation net 10 is arranged at the bottom of the precipitation plate 9, the mesh size of the precipitation net 10 is 100-300 meshes, the precipitation device can be arranged according to the specific particle size of a precipitation product, the precipitation generated by the reaction in the reactor main body 1 is gathered and fixed on the precipitation net 10, and the solid and liquid can be separated when sewage is discharged, so that the operation is simple and the use is convenient.
Further, the lower part of the side surface of the reactor main body 1 is provided with a clamping groove, an arc-shaped fixing plate 6 is clamped in the clamping groove, the inner side surface of the fixing plate 6 is fixedly connected with a precipitation plate 9, namely, the precipitation plate 9 and a precipitation net 10 are detachably arranged on the reactor main body 1 through the fixing plate 6, after one or several precipitation reactions are completed and sewage is discharged, the fixing plate 6 is taken out to take the precipitation plate 9 and the precipitation net 10 out, and precipitates on the precipitation net 10 can be cleaned, and the concentrated treatment is carried out so as to facilitate the next continuous reaction for dephosphorization.
Preferably, the outside surface fixing of fixed plate 6 is provided with handle 7, is provided with anti-skidding line on the handle 7, and the staff of being convenient for operates dismouting fixed plate 6.
Preferably, screw holes are formed in the side surfaces of the two ends of the fixing plate 6 and the corresponding positions on the outer wall of the reactor main body 1, fixing bolts 8 are connected in the screw holes in a threaded mode, the fixing plate 6 is in an arc shape of more than 190 degrees, the clamping groove is in an arc shape of 180 degrees, two ends of the fixing plate 6 have certain elasticity and can be clamped on the outer side of the reactor main body 1, and two ends of the fixing plate are fixedly connected with the outer wall of the reactor main body 1 through the fixing bolts 8.
Further preferably, the contact parts of the upper and lower side surfaces of the fixing plate 6 and the clamping groove are provided with sealing gaskets 11, in addition, the contact parts of the fixing plate 6 and the side surfaces of the clamping groove are also provided with sealing gaskets 11, and the sealing gaskets 11 can play a role in sealing and leakage prevention after the sedimentation device is installed.
The non-disclosed parts of the utility model are all prior art, and the specific structure, materials and working principle thereof are not described in detail. Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a MAP deposits nitrogen removal dephosphorization reactor, includes reactor main part (1), the upper surface of reactor main part is provided with two inlet pipes (2) that are used for advancing sewage and precipitant respectively, and the lower surface of reactor main part (1) is provided with outlet pipe (5), is provided with solenoid valve (12) on outlet pipe (5), its characterized in that: the reactor is characterized in that a circulating mechanism for conveying sewage from the bottom to the upper part is arranged on the reactor main body (1), and a detachable sedimentation device is arranged in the reactor main body (1).
2. A MAP precipitation nitrogen and phosphorus removal reactor according to claim 1, wherein: the circulating mechanism comprises two circulating pipes (3) symmetrically arranged on two sides of the reactor main body (1), an inlet of each circulating pipe (3) is arranged on the side surface of the bottom of the reactor main body (1), an outlet of each circulating pipe (3) is arranged on the upper surface of the reactor main body (1), and a circulating pump (4) is arranged on each circulating pipe (3).
3. A MAP precipitation nitrogen and phosphorus removal reactor according to claim 1, wherein: the sedimentation device comprises an annular sedimentation plate (9) arranged in a reactor main body (1), a sedimentation net (10) is arranged at the bottom of the sedimentation plate (9), a clamping groove is formed in the lower portion of the side surface of the reactor main body (1), an arc-shaped fixing plate (6) is clamped in the clamping groove, and the inner side surface of the fixing plate (6) is fixedly connected with the sedimentation plate (9).
4. A MAP precipitation nitrogen and phosphorus removal reactor according to claim 3, wherein: the outer side surface of the fixing plate (6) is fixedly provided with a handle (7).
5. A MAP precipitation nitrogen and phosphorus removal reactor according to claim 3, wherein: screw holes are formed in the surfaces of the two end sides of the fixing plate (6) and the corresponding positions on the outer wall of the reactor main body (1), and fixing bolts (8) are connected in the screw holes in a threaded mode.
6. A MAP precipitation nitrogen and phosphorus removal reactor according to claim 3, wherein: sealing gaskets (11) are arranged at the contact positions of the upper side surface and the lower side surface of the fixing plate (6) and the clamping groove.
7. A MAP precipitation nitrogen and phosphorus removal reactor according to claim 2, wherein: the two feeding pipes (2) and the two circulating pipes (3) are alternately and uniformly arranged on the reactor main body (1), and the parts of the two feeding pipes (2) and the two circulating pipes (3) which extend into the reactor main body (1) from the upper part are obliquely arranged, wherein the inclination range is 15-30 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223458627.0U CN219174299U (en) | 2022-12-23 | 2022-12-23 | MAP precipitation nitrogen and phosphorus removal reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223458627.0U CN219174299U (en) | 2022-12-23 | 2022-12-23 | MAP precipitation nitrogen and phosphorus removal reactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219174299U true CN219174299U (en) | 2023-06-13 |
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ID=86668929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223458627.0U Active CN219174299U (en) | 2022-12-23 | 2022-12-23 | MAP precipitation nitrogen and phosphorus removal reactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219174299U (en) |
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2022
- 2022-12-23 CN CN202223458627.0U patent/CN219174299U/en active Active
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