CN220012391U - Treatment device for ammonia nitrogen and total nitrogen in wastewater - Google Patents
Treatment device for ammonia nitrogen and total nitrogen in wastewater Download PDFInfo
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- CN220012391U CN220012391U CN202321190041.2U CN202321190041U CN220012391U CN 220012391 U CN220012391 U CN 220012391U CN 202321190041 U CN202321190041 U CN 202321190041U CN 220012391 U CN220012391 U CN 220012391U
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- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 title claims abstract description 43
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title claims abstract description 38
- 239000002351 wastewater Substances 0.000 title claims abstract description 36
- 229910052757 nitrogen Inorganic materials 0.000 title claims abstract description 19
- 238000003756 stirring Methods 0.000 claims abstract description 93
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 37
- 238000006243 chemical reaction Methods 0.000 claims abstract description 25
- 238000004062 sedimentation Methods 0.000 claims abstract description 21
- 239000003513 alkali Substances 0.000 claims abstract description 19
- 230000001105 regulatory effect Effects 0.000 claims abstract description 17
- 230000001276 controlling effect Effects 0.000 claims description 4
- 239000000523 sample Substances 0.000 claims description 4
- 229910052567 struvite Inorganic materials 0.000 abstract description 11
- MXZRMHIULZDAKC-UHFFFAOYSA-L ammonium magnesium phosphate Chemical compound [NH4+].[Mg+2].[O-]P([O-])([O-])=O MXZRMHIULZDAKC-UHFFFAOYSA-L 0.000 abstract description 10
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 abstract description 6
- 159000000003 magnesium salts Chemical class 0.000 abstract description 6
- 239000002244 precipitate Substances 0.000 abstract description 6
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 abstract description 5
- 239000000047 product Substances 0.000 abstract description 4
- 238000004064 recycling Methods 0.000 abstract description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 3
- 229910019142 PO4 Inorganic materials 0.000 abstract description 3
- 229910052799 carbon Inorganic materials 0.000 abstract description 3
- 229960002261 magnesium phosphate Drugs 0.000 abstract description 3
- 239000010452 phosphate Substances 0.000 abstract description 3
- 229910000029 sodium carbonate Inorganic materials 0.000 abstract description 3
- 239000003153 chemical reaction reagent Substances 0.000 abstract description 2
- 230000000712 assembly Effects 0.000 abstract 2
- 238000000429 assembly Methods 0.000 abstract 2
- 238000000034 method Methods 0.000 description 10
- 239000007788 liquid Substances 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 229910017958 MgNH Inorganic materials 0.000 description 5
- 239000011777 magnesium Substances 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 4
- 238000004065 wastewater treatment Methods 0.000 description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000003814 drug Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- QDHHCQZDFGDHMP-UHFFFAOYSA-N Chloramine Chemical compound ClN QDHHCQZDFGDHMP-UHFFFAOYSA-N 0.000 description 2
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 2
- JLVVSXFLKOJNIY-UHFFFAOYSA-N Magnesium ion Chemical compound [Mg+2] JLVVSXFLKOJNIY-UHFFFAOYSA-N 0.000 description 2
- -1 ammonium ions Chemical class 0.000 description 2
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 229910001425 magnesium ion Inorganic materials 0.000 description 2
- 239000000395 magnesium oxide Substances 0.000 description 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000006228 supernatant Substances 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010170 biological method Methods 0.000 description 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 1
- 231100000357 carcinogen Toxicity 0.000 description 1
- 239000003183 carcinogenic agent Substances 0.000 description 1
- 238000009388 chemical precipitation Methods 0.000 description 1
- 238000005660 chlorination reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- BNIILDVGGAEEIG-UHFFFAOYSA-L disodium hydrogen phosphate Chemical compound [Na+].[Na+].OP([O-])([O-])=O BNIILDVGGAEEIG-UHFFFAOYSA-L 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 239000008394 flocculating agent Substances 0.000 description 1
- 230000003311 flocculating effect Effects 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 229910001629 magnesium chloride Inorganic materials 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910000403 monosodium phosphate Inorganic materials 0.000 description 1
- 235000019799 monosodium phosphate Nutrition 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 150000003017 phosphorus Chemical class 0.000 description 1
- 238000000053 physical method Methods 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- AJPJDKMHJJGVTQ-UHFFFAOYSA-M sodium dihydrogen phosphate Chemical compound [Na+].OP(O)([O-])=O AJPJDKMHJJGVTQ-UHFFFAOYSA-M 0.000 description 1
- 239000001488 sodium phosphate Substances 0.000 description 1
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 description 1
- 229910000406 trisodium phosphate Inorganic materials 0.000 description 1
- 235000019801 trisodium phosphate Nutrition 0.000 description 1
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- Removal Of Specific Substances (AREA)
Abstract
The utility model relates to a treatment device for ammonia nitrogen and total nitrogen in wastewater, which comprises a raw water inlet tank, an alkali regulating tank, a primary sedimentation tank, a primary dosing tank, a secondary dosing tank, a main reaction tank, a tertiary dosing tank, a secondary sedimentation tank and a water collecting tank which are sequentially communicated, wherein a primary stirring assembly is arranged in the alkali regulating tank, secondary stirring assemblies are respectively arranged in the secondary dosing tank and the main reaction tank, and corrugated rods are symmetrically arranged on primary stirring shafts of the primary stirring assemblies. Adding magnesium salt and phosphate into ammonia nitrogen wastewater to enable the ammonia nitrogen wastewater and NH4 < + > to generate magnesium ammonium phosphate precipitate which is difficult to dissolve in water, removing ammonia nitrogen from the wastewater, and recycling products; after the high ammonia nitrogen wastewater passes through the integrated system, ammonia nitrogen and total nitrogen are removed, so that reagents such as sodium carbonate and carbon sources are saved for the subsequent advanced treatment of the wastewater, the operation expenditure is saved, and the occupied area is reduced.
Description
Technical Field
The utility model relates to the technical field of ammonia nitrogen wastewater treatment, in particular to a treatment device for ammonia nitrogen and total nitrogen in wastewater.
Background
Along with the deepening of industrialization, the total amount of high ammonia nitrogen wastewater generated by various chemical enterprises, pharmaceutical enterprises and heavy industrial enterprises is larger and larger, and the concentration is higher and higher. Enterprises are in order to deal with the increasingly serious environmental protection problem, the requirements on the treatment of discharged wastewater are also higher and higher, and the investment is higher and higher. The traditional high ammonia nitrogen wastewater treatment modes mainly comprise three kinds of physical methods, chemical methods and biological methods.
The physical purging method needs a special ammonia nitrogen stripping tower, and has the advantages of huge equipment investment, high failure rate and high labor cost; the break point chlorination method: the method can only treat wastewater with lower ammonia nitrogen concentration, the ammonia nitrogen concentration is increased, the required dosage is large, the treatment efficiency of the dosage is reduced along with the increase of the dosage, chloramine is generated in the reaction process, and the chloramine is 3 types of carcinogens published by the international cancer research institutions of the world health organization, so that the method has great potential safety hazards to operators; traditional biological nitrification and denitrification method: the system occupies large area and has high investment; the wastewater with higher concentration cannot be treated, the system is easy to be impacted, and the stability is poor. The conventional means has higher running cost and lower extraction efficiency of total nitrogen of ammonia nitrogen.
Therefore, how to provide an efficient, energy-saving and environment-friendly high ammonia nitrogen industrial wastewater treatment system is a problem to be solved by the technicians in the field.
Disclosure of Invention
In order to solve the defects in the prior art, the utility model provides the treatment device for ammonia nitrogen and total nitrogen in wastewater, which treats the ammonia nitrogen and total nitrogen in wastewater by a chemical precipitation method, reduces equipment investment and improves the removal efficiency of the ammonia nitrogen and total nitrogen.
The utility model aims to achieve the aim, and the aim is achieved by the following technical scheme: the utility model provides a processing apparatus of ammonia nitrogen and total nitrogen in waste water, includes raw water intake pool, alkali regulating tank, one-level sedimentation tank, one-level dosing tank, second grade dosing tank, main reaction tank, tertiary dosing tank, second grade sedimentation tank and the catch basin that the intercommunication set up in proper order, is provided with one-level stirring subassembly in the alkali regulating tank, is provided with second grade stirring subassembly in two-level dosing tank, the main reaction tank respectively, and the symmetry is provided with the ripple pole on one-level (mixing) shaft of one-level stirring subassembly.
Preferably, the primary stirring assembly further comprises a primary driving motor for driving the primary stirring shaft to rotate, and two ends of the primary stirring shaft are respectively connected with two sides of the alkali regulating tank in a rotating manner through bearings.
Preferably, the primary sedimentation tank can be externally hung with an online pH probe for controlling the adding amount of the alkali in the dosing tank.
Preferably, the secondary stirring assembly comprises a primary stirring part, wherein the primary stirring part comprises a secondary stirring shaft, a plurality of active stirring blades and a secondary driving motor for driving the secondary stirring shaft to rotate, and the active stirring She Duichen is arranged on two sides of the secondary stirring shaft in the radial direction.
Preferably, the secondary stirring assembly further comprises an auxiliary stirring part arranged on one side of the main stirring part, the auxiliary stirring part comprises a passive rotating shaft and passive stirring blades symmetrically arranged on the passive rotating shaft, the passive stirring blades are arranged with the active stirring She Duiying, and the passive stirring blades are positioned in the rotating track of the active stirring blades.
Preferably, the active stirring blade and the passive stirring blade are respectively provided with a water passing groove.
Compared with the prior art, the utility model has the beneficial effects that:
adding magnesium salt and phosphate into ammonia nitrogen wastewater to enable the ammonia nitrogen wastewater and NH4 < + > to generate magnesium ammonium phosphate precipitate which is difficult to dissolve in water, removing ammonia nitrogen from the wastewater, and recycling the product;
after the high ammonia nitrogen wastewater passes through the integrated system, ammonia nitrogen and total nitrogen are removed, so that reagents such as sodium carbonate and carbon sources are saved for the subsequent advanced treatment of the wastewater, the operation expenditure is saved, and the occupied area is reduced;
the recycled magnesium ammonium phosphate is widely applied to the fields of chemical industry, medicine, construction and the like, is an efficient slow-release fertilizer, and realizes the circular economy advocated by the nation;
the ammonia nitrogen in the wastewater is treated by a chemical method, the range of the ammonia nitrogen concentration of the wastewater which can be dealt with is wide, and the method is also applicable to low-concentration and high-concentration ammonia nitrogen;
the magnesium ammonium phosphate solid can be effectively separated, the purity is high, the recycling effect is good, and the economic value is high;
the equipment with different numbers can be arranged according to different water quantities for parallel use, and the large-scale production and transportation are facilitated.
Drawings
FIG. 1 is a schematic view of a first perspective structure of the present utility model;
FIG. 2 is a schematic view of a second perspective structure of the present utility model;
FIG. 3 is a schematic diagram of the cross-sectional structure of FIG. 2A in accordance with the present utility model;
FIG. 4 is a schematic view of the cross-sectional structure of FIG. 2B in accordance with the present utility model.
The reference numbers shown in the drawings: 1. a raw water inlet tank; 2. an alkali regulating pool; 3. a first-stage sedimentation tank; 4. a first-stage dosing tank; 5. a secondary dosing tank; 6. a main reaction tank; 7. a third-stage dosing tank; 8. a secondary sedimentation tank; 9. a water collecting tank; 10. a primary driving motor; 11. a primary stirring shaft; 12. a corrugated rod; 13. a secondary stirring shaft; 14. actively stirring the leaves; 15. a secondary drive motor; 16. a passive rotation shaft; 17. passive stirring blades; 18. and (5) passing through a water tank.
Detailed Description
The utility model is further illustrated by the following specific examples, as shown in fig. 1-4, a treatment device for ammonia nitrogen and total nitrogen in wastewater comprises a raw water inlet tank 1, an alkali regulating tank 2, a primary sedimentation tank 3, a primary dosing tank 4, a secondary dosing tank 5, a main reaction tank 6, a tertiary dosing tank 7, a secondary sedimentation tank 8 and a water collecting tank 9 which are sequentially communicated, wherein the primary sedimentation tank 3 can be externally hung with an online pH probe for controlling the dosing amount of alkali in the dosing tank.
Primary stirring components are respectively arranged in the raw water inlet tank 1 and the alkali regulating tank 2, secondary stirring components are respectively arranged in the secondary dosing tank 5 and the main reaction tank 6, and corrugated rods 12 are symmetrically arranged on primary stirring shafts 11 of the primary stirring components. The primary stirring assembly further comprises a primary driving motor 10 for driving the primary stirring shaft 11 to rotate, and two ends of the primary stirring shaft 11 are respectively connected with two sides of the alkali regulating tank 2 in a rotating mode through bearings. The primary stirring component is used for improving the stirring and mixing effects of the alkaline agent and the raw water in the alkali regulating tank 2.
The secondary stirring assembly comprises a main stirring part, the main stirring part comprises a secondary stirring shaft 13, a plurality of active stirring blades 14 and a secondary driving motor 15 for driving the secondary stirring shaft 13 to rotate, and the active stirring blades 14 are symmetrically arranged on two sides of the radial direction of the secondary stirring shaft 13. The secondary stirring component is used for improving the dissolution rate of the liquid after the reaction of the phosphorus salt in the secondary dosing tank 5 and the previous working procedure, improving the flocculation of the flocculant in the main reaction tank 6 and the magnesium ammonium phosphate generated by the main reaction tank, improving the volume of the flocs and shortening the subsequent solid-liquid separation time.
The secondary stirring assembly comprises an auxiliary stirring part arranged on one side of the main stirring part, and the auxiliary stirring parts are respectively arranged on two sides of the main stirring part in the embodiment. The auxiliary stirring part comprises a passive rotating shaft 16 and passive stirring blades 17 symmetrically arranged on the passive rotating shaft 16, the passive stirring blades 17 are arranged corresponding to the active stirring blades 14, the passive stirring blades 17 are positioned in the rotating track of the active stirring blades 14, and the passive stirring blades 17 are used for passively rotating under the driving of the active stirring blades 14, so that the mixing efficiency of the area where the active stirring blades 14 cannot contact is improved. The two ends of the passive rotating shaft 16 arranged in the secondary dosing tank 5 are respectively and rotatably connected with the two sides of the secondary dosing tank 5 through bearings, and the two ends of the passive rotating shaft 16 arranged in the main reaction tank 6 are respectively and rotatably connected with the two sides of the main reaction tank 6 through bearings.
The active stirring blade 14 and the passive stirring blade 17 are respectively provided with a water passing groove 18, and the water passing groove 18 is used for improving the stirring effect of the mixed solution.
The primary sedimentation tank 3 is positioned between the raw water inlet tank 1 and the primary dosing tank 4, the secondary sedimentation tank 8 is positioned between the water collecting tank 9 and the tertiary dosing tank 7, and the lower parts of the primary sedimentation tank 3 and the secondary sedimentation tank 8 are respectively funnel-shaped and are used for cleaning sediment substances periodically.
The processing steps are as follows:
s1, ammonia nitrogen wastewater is raw water, the raw water is put into a raw water inlet tank 1, and the raw water flows into an alkali regulating tank 2 through the raw water inlet tank 1;
s2, adding an alkaline agent into the alkali regulating tank 2, and regulating the pH value of raw water to 8-9;
s3, reacting the impurities in the regulated raw water with an alkaline agent, wherein the alkaline agent comprises sodium hydroxide, calcium oxide and magnesium oxide, generating partial precipitate such as calcium sulfate, settling in a primary sedimentation tank 3, separating solid from liquid, enabling supernatant containing ammonia nitrogen to flow into a primary dosing tank 4, enabling the sediment to sink into a mud bucket, discharging at a fixed time, and enabling the primary sedimentation tank 3 to be externally hung with an online pH probe for controlling the dosing amount of alkali in the dosing tank;
s4, adding magnesium salt into the primary dosing tank 4 after impurity removal, wherein the magnesium salt is magnesium oxide and magnesium chloride, providing magnesium ions required by reaction into water, and flowing into the secondary dosing tank 5;
s5, adding phosphate salt such as sodium dihydrogen phosphate, disodium hydrogen phosphate and trisodium phosphate into the wastewater added with the magnesium salt in the secondary dosing tank 5, and providing phosphate ions required by the reaction into the water, wherein the secondary dosing tank 5 is communicated with the main reaction tank 6;
s6, flowing water in the secondary dosing tank 5 into the main reaction tank 6, and reacting ammonium ions, magnesium ions and phosphate ions in the water to produce a magnesium ammonium phosphate compound, wherein the reaction time is 15-30min;
s7, flowing water in the main reaction tank 6 into the three-stage dosing tank 7, adding a flocculating agent, flocculating with magnesium ammonium phosphate generated by the main reaction tank, improving the volume of the floccule, and shortening the subsequent solid-liquid separation time;
s8, flowing water in the three-stage dosing tank 7 into a second-stage sedimentation tank 8, performing solid-liquid separation on the reacted wastewater, settling magnesium ammonium phosphate solids into a mud bucket for collection, discharging and dehydrating, recycling, and overflowing supernatant to a subsequent water collecting tank 9;
s9, a water collecting tank 9 is used for collecting overflow clear liquid of the secondary sedimentation tank 8.
The principle of the utility model is that magnesium salt and phosphate are added into ammonia nitrogen wastewater to generate magnesium ammonium phosphate precipitate which is indissolvable in water with NH4+, ammonia nitrogen is removed from the wastewater, and the product is recycled. The main chemical reactions that occur are as follows:
Mg 2+ +PO 4 3- +NH 4+ +6H 2 O→MgNH 4 PO 4 ·6H 2 O
Mg 2+ +HPO 4 2- +NH 4+ +6H 2 O→MgNH 4 PO 4 ·6H 2 O+H+
Mg 2+ +H 2 PO 4 - +NH 4+ +6H 2 O→MgNH 4 PO 4 ·6H 2 O+2H+
when the pH value is<9, the time is: PO in solution 4 3- Has low concentration and is unfavorable for MgNH 4 PO 4 ·6H 2 O precipitates and mainly Mg (H) 2 PO 4 ) 2 ；
When the pH value is>11, the time is: this reaction will produce a specific MgNH in a strongly alkaline solution 4 PO 4 ·6H 2 O is more poorly soluble in water Mg 3 (PO 4 ) 2 Is a precipitate of (a) and (b). At the same time, NH in solution 4+ Will volatilize into free ammonia.
The accurate control of the dosage and the reaction pH can effectively improve the reaction efficiency and the ammonia nitrogen removal rate, and the recyclable magnesium ammonium phosphate product can be produced.
After the high ammonia nitrogen wastewater passes through the integrated system, ammonia nitrogen and total nitrogen are removed, medicaments such as sodium carbonate and carbon sources are saved for subsequent advanced wastewater treatment, operation expenditure is saved, and the recycled magnesium ammonium phosphate is widely applied to the fields of chemical industry, medicine, construction and the like.
It is to be understood that these examples are illustrative of the present utility model and are not intended to limit the scope of the present utility model. Further, it will be understood that various changes and modifications may be made by those skilled in the art after reading the teachings of the utility model, and equivalents thereof fall within the scope of the utility model as defined by the claims.
Claims (6)
1. The utility model provides a processing apparatus of ammonia nitrogen and total nitrogen in waste water, its characterized in that, including raw water intake pool (1), alkali regulating tank (2), one-level sedimentation tank (3), one-level dosing tank (4), second grade dosing tank (5), main reaction tank (6), tertiary dosing tank (7), second grade sedimentation tank (8) and catch basin (9) that communicate in proper order, be provided with one-level stirring subassembly in alkali regulating tank (2), be provided with second grade stirring subassembly in second grade dosing tank (5), main reaction tank (6) respectively, the symmetry is provided with ripple pole (12) on one-level (11) of one-level stirring subassembly.
2. The device for treating ammonia nitrogen and total nitrogen in wastewater according to claim 1, wherein: the primary stirring assembly further comprises a primary driving motor (10) for driving the primary stirring shaft (11) to rotate, and two ends of the primary stirring shaft (11) are respectively connected with two sides of the alkali regulating tank (2) in a rotating mode through bearings.
3. The device for treating ammonia nitrogen and total nitrogen in wastewater according to claim 1, wherein: the primary sedimentation tank (3) can be externally hung with an online pH probe for controlling the adding amount of the alkali in the dosing tank.
4. The device for treating ammonia nitrogen and total nitrogen in wastewater according to claim 1, wherein: the secondary stirring assembly comprises a main stirring part, the main stirring part comprises a secondary stirring shaft (13), a plurality of active stirring blades (14) and a secondary driving motor (15) for driving the secondary stirring shaft (13) to rotate, and the active stirring blades (14) are symmetrically arranged on two sides of the radial direction of the secondary stirring shaft (13).
5. The device for treating ammonia nitrogen and total nitrogen in wastewater according to claim 4, wherein: the secondary stirring assembly comprises an auxiliary stirring part arranged on one side of the main stirring part, the auxiliary stirring part comprises a passive rotating shaft (16) and passive stirring blades (17) symmetrically arranged on the passive rotating shaft (16), the passive stirring blades (17) are arranged corresponding to the active stirring blades (14), and the passive stirring blades (17) are positioned in the rotating track of the active stirring blades (14).
6. The device for treating ammonia nitrogen and total nitrogen in wastewater according to claim 5, wherein: the active stirring blade (14) and the passive stirring blade (17) are respectively provided with a water passing groove (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321190041.2U CN220012391U (en) | 2023-05-15 | 2023-05-15 | Treatment device for ammonia nitrogen and total nitrogen in wastewater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321190041.2U CN220012391U (en) | 2023-05-15 | 2023-05-15 | Treatment device for ammonia nitrogen and total nitrogen in wastewater |
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| Publication Number | Publication Date |
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| CN220012391U true CN220012391U (en) | 2023-11-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321190041.2U Active CN220012391U (en) | 2023-05-15 | 2023-05-15 | Treatment device for ammonia nitrogen and total nitrogen in wastewater |
Country Status (1)
| Country | Link |
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| CN (1) | CN220012391U (en) |
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2023
- 2023-05-15 CN CN202321190041.2U patent/CN220012391U/en active Active
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