CN221191917U - System for handle battery waste water ammonia nitrogen pollutant - Google Patents
System for handle battery waste water ammonia nitrogen pollutant Download PDFInfo
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- CN221191917U CN221191917U CN202322679832.8U CN202322679832U CN221191917U CN 221191917 U CN221191917 U CN 221191917U CN 202322679832 U CN202322679832 U CN 202322679832U CN 221191917 U CN221191917 U CN 221191917U
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- ammonia nitrogen
- wastewater
- medicine
- barrel
- regulating tank
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- 239000002351 wastewater Substances 0.000 title claims abstract description 73
- 239000003344 environmental pollutant Substances 0.000 title claims abstract description 12
- 231100000719 pollutant Toxicity 0.000 title claims abstract description 12
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 title description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Substances N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title description 3
- 229910052757 nitrogen Inorganic materials 0.000 title description 3
- 239000003814 drug Substances 0.000 claims abstract description 63
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 43
- 230000003647 oxidation Effects 0.000 claims abstract description 35
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 35
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 claims abstract description 29
- 230000001105 regulatory effect Effects 0.000 claims abstract description 23
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 18
- 238000005273 aeration Methods 0.000 claims description 18
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 14
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 12
- 239000011780 sodium chloride Substances 0.000 claims description 7
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 238000007667 floating Methods 0.000 claims description 5
- 239000000523 sample Substances 0.000 claims description 5
- 239000004809 Teflon Substances 0.000 claims description 4
- 229920006362 Teflon® Polymers 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 239000000356 contaminant Substances 0.000 claims 8
- 239000002957 persistent organic pollutant Substances 0.000 abstract description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 229910052744 lithium Inorganic materials 0.000 description 7
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 4
- 229910052719 titanium Inorganic materials 0.000 description 4
- 239000010936 titanium Substances 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 238000006056 electrooxidation reaction Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000002791 soaking Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 238000004065 wastewater treatment Methods 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 238000005276 aerator Methods 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 150000001805 chlorine compounds Chemical class 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012851 eutrophication Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- HTXDPTMKBJXEOW-UHFFFAOYSA-N iridium(IV) oxide Inorganic materials O=[Ir]=O HTXDPTMKBJXEOW-UHFFFAOYSA-N 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 150000004965 peroxy acids Chemical class 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000003053 toxin Substances 0.000 description 1
- 231100000765 toxin Toxicity 0.000 description 1
- 108700012359 toxins Proteins 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The utility model discloses a system for treating ammonia nitrogen pollutants in battery wastewater, which comprises a medicine storage barrel, a wastewater regulating tank, a cartridge filter, an electrocatalytic oxidation device and a direct current power supply, wherein the medicine storage barrel is connected with the wastewater regulating tank, the water outlet end of the wastewater regulating tank is communicated with the water inlet end of the cartridge filter, the water outlet end of the cartridge filter is connected with the water inlet of the electrocatalytic oxidation device, and the direct current power supply is used for providing power for the electrocatalytic oxidation device. The utility model has strong capability of resisting the impact of the ammonia nitrogen in the wastewater, can remove the high ammonia nitrogen and other organic pollutants in the wastewater in a shorter time, reduces the adding cost of the medicament and lightens the labor burden.
Description
Technical Field
The utility model relates to the technical field of wastewater treatment, in particular to a system for treating ammonia nitrogen pollutants in battery wastewater.
Background
In order to solve the problem of energy shortage, development and application of new energy gradually draw attention to governments around the world. Among them, lithium batteries have become an important item for new energy development. The lithium battery is used as an emerging energy industry, has rapid development, and brings about huge production wastewater discharge while the lithium battery industry develops. Although the yield of lithium batteries in China is first in the world, the mature and effective treatment process is lacking for the treatment of the lithium battery production wastewater, the overall treatment effect of the lithium battery production wastewater is not ideal, and the water ecological environment around many lithium battery production enterprises is polluted and destroyed to different degrees. According to the current research, when the battery wastewater biochemical treatment system is impacted by high-concentration wastewater, the nitrification capacity in the biochemical system can be firstly inhibited, the ammonia nitrogen of the effluent rapidly rises from below the standard line to 250-300ppm, severe ammonia nitrogen load impact can be caused on the system, and the biochemical system needs to be re-cultivated for a certain time to recover the standard of the effluent. The high-concentration ammonia nitrogen wastewater is discharged into the water body to cause serious eutrophication of the water body, so that not only can death of aquatic organisms be caused, but also water quality is deteriorated, toxins can be enriched in a human body through a food chain, and on the other hand, a large amount of economic loss can be caused. At present, the treatment technology for low-concentration ammonia nitrogen wastewater is mature, but the treatment cost is higher and the treatment effect is poorer for ammonia nitrogen wastewater with the concentration of more than 100 mg/L.
Disclosure of utility model
The utility model aims to overcome the defects of the prior art, and provides a method for treating the battery wastewater with serious exceeding ammonia nitrogen after front-end treatment by using electrocatalytic oxidation, wherein the electrocatalytic process is used for directly oxidizing ammonia nitrogen pollutants and generating hydroxyl free radicals, chlorine compounds and the like to indirectly oxidize the ammonia nitrogen. The whole system has strong capability of resisting the impact of the ammonia nitrogen in the wastewater, can remove high ammonia nitrogen and other organic pollutants in the wastewater in a shorter time, reduces the adding cost of the medicament, and reduces the manual burden of the system for treating the ammonia nitrogen pollutants in the battery wastewater.
The utility model is realized by the following technical scheme: the utility model provides a system for handle battery waste water ammonia nitrogen pollutant, includes medicine storage bucket, waste water equalizing basin, cartridge filter, electrocatalytic oxidation device, DC power supply, medicine storage bucket with the waste water equalizing basin is connected, the play water end of waste water equalizing basin with cartridge filter's inlet end intercommunication, cartridge filter's play water end with electrocatalytic oxidation device's water inlet is connected, DC power supply is used for electrocatalytic oxidation device provides the power.
Further: the medicine storage barrel comprises a first medicine barrel, a second medicine barrel and a third medicine barrel, wherein the first medicine barrel, the second medicine barrel and the third medicine barrel are connected with the waste water regulating tank through medicine inlet pipes respectively, the first medicine barrel is used for storing sodium chloride, the second medicine barrel is used for storing sodium hydroxide, and the third medicine barrel is used for storing sulfuric acid.
Further: the electrocatalytic oxidation device comprises a box body, an electrode group and an aeration pipe, wherein an air outlet is formed in the top side of the box body, the water inlet is formed in the side wall of the upper portion of the box body, a water outlet and an emptying port are formed in the side wall of the lower portion of the box body, the electrode group and the aeration pipe are arranged in the box body, the aeration pipe is located below the electrode group, the aeration pipe is connected with an external blower, and the electrode group is connected with a direct-current power supply through a wire.
Further: a floating ball liquid level meter, a stirrer and a pH meter probe are arranged in the wastewater regulating tank.
Further: the electrode group comprises a support and an electrode plate, the support is arranged in the box body through a support column, the electrode plate is arranged on the support, and the electrode plate is formed by alternately arranging a plurality of anode plates and a plurality of cathode plates in parallel.
Further: the spacing between two adjacent anode plates and cathode plates is 5mm-30mm.
Further: and wiring points are respectively arranged on the upper side, the lower side, the left side and the right side of the electrode plate, and are connected with the direct current power supply through the lead wires.
Further: a plurality of through holes which are distributed at intervals are formed in the aeration pipe.
Further: the box is made of stainless steel materials, and a Teflon coating is arranged on the inner wall of the box.
Compared with the prior art, the utility model has the following beneficial effects:
The medicine storage barrel is connected with the waste water regulating tank, the water outlet end of the waste water regulating tank is communicated with the water inlet end of the cartridge filter, the water outlet end of the cartridge filter is connected with the water inlet of the electrocatalytic oxidation device, the direct current power supply is used for providing power for the electrocatalytic oxidation device, the medicine storage barrel comprises a first medicine barrel, a second medicine barrel and a third medicine barrel, the first medicine barrel is used for storing sodium chloride, the second medicine barrel is used for storing sodium hydroxide, the third medicine barrel is used for storing sulfuric acid, and the system only needs to add cheap and easily obtained salt as electrolyte and has lower cost of medicine; the system is simple to operate, can realize automatic operation, has stable wastewater treatment effect, and can not cause unstable effluent to influence standard emission because of high-concentration ammonia nitrogen wastewater impact; the inner electrode of the electrocatalytic oxidation device is made of titanium-based materials with corrosion resistance and low potential, the service life is long, the multi-end connecting wires on the electrode plate can lead the current to be transmitted on the surface of the electrode in a balanced way, the catalytic oxidation efficiency of pollutants in different parts in the wastewater is increased, the number of electrode groups can be freely combined according to the quality of the treated water, and the electrodes are convenient to detach and replace; the aeration pipe is arranged in the box body of the electrocatalytic oxidation device, and the airflow and the water flow form cross flow, so that the exchange of the wastewater in the box body can be increased, the contact time of the wastewater and the electrode can be prolonged, the electrocatalytic oxidation effect can be improved, and the removal of ammonia nitrogen and the degradation of organic matters can be facilitated; the electrocatalytic oxidation electrode adopts reversed pole and hydrochloric acid washing, so that scaling on the surface of the electrode can be removed, the service life of the electrode is prolonged, and the reaction energy consumption is reduced.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the structure of an electrode assembly according to the present utility model;
fig. 3 is a schematic structural view of an electrode plate according to the present utility model.
Reference numerals illustrate: 1-medicine storage barrel, 2-waste water regulating tank, 3-cartridge filter, 4-electrocatalytic oxidation device, 5-DC power supply, 6-water inlet, 7-first medicine barrel, 8-second medicine barrel, 9-third medicine barrel, 10-medicine inlet pipe, 11-box, 12-electrode group, 13-aeration pipe, 14-air outlet, 15-water outlet, 16-evacuation mouth, 17-blower, 18-wire, 19-floating ball level gauge, 20-stirrer, 21-pH meter probe, 22-bracket, 23-electrode plate, 24-support column, 25-anode plate, 26-cathode plate, 27-junction, 28-through hole, 29-threaded hole and 30-connecting rod.
Detailed Description
Fig. 1 to 3 are schematic structural views of an embodiment of a system for treating ammonia nitrogen pollutants in battery wastewater, which comprises a medicine storage barrel 1, a wastewater regulating tank 2, a cartridge filter 3, an electrocatalytic oxidation device 4 and a direct current power supply 5, wherein the medicine storage barrel 1 is connected with the wastewater regulating tank 2, the water outlet end of the wastewater regulating tank 2 is communicated with the water inlet end of the cartridge filter 3, the water outlet end of the cartridge filter 3 is connected with the water inlet 6 of the electrocatalytic oxidation device 4, and the direct current power supply 5 is used for providing power for the electrocatalytic oxidation device 4.
The medicine storage barrel 1 comprises a first medicine barrel 7, a second medicine barrel 8 and a third medicine barrel 9, wherein the first medicine barrel 7, the second medicine barrel 8 and the third medicine barrel 9 are respectively connected with the waste water regulating tank 2 through medicine inlet pipes 10, the first medicine barrel 7 is used for storing sodium chloride, the second medicine barrel 8 is used for storing sodium hydroxide, and the third medicine barrel 9 is used for storing sulfuric acid.
The electrocatalytic oxidation device 4 comprises a box body 11, an electrode group 12 and an aeration pipe 13, wherein an air outlet 14 is formed in the top side of the box body 11, a water inlet 6 is formed in the upper side wall of the box body 11, a water outlet 15 and an emptying port 16 are formed in the lower side wall of the box body 11, the electrode group 12 and the aeration pipe 13 are arranged in the box body 11, the aeration pipe 13 is located below the electrode group 12, the aeration pipe 13 is connected with an external blower 17, and the electrode group 12 is connected with the direct-current power supply 5 through a wire 18.
A floating ball liquid level meter 19, a stirrer 20 and a pH meter probe 21 are arranged in the wastewater regulating tank 2.
The waste water enters the waste water regulating tank 2 and is battery waste water treated at the front end, the concentration of ammonia-nitrogen-containing pollutant in the waste water is 150-300ppm, the waste water enters the waste water regulating tank 2, the water quantity in the tank is monitored by a floating ball liquid level meter 19, sodium chloride is added according to the water quantity of the waste water, the sodium chloride enters the waste water regulating tank 2 from a first medicine barrel 7 through a medicine inlet pipe 10, a stirrer 20 is started for uniform mixing, and the waste water after uniform mixing contains 0.05-0.5mol/L of sodium chloride. The effect of electro-oxidation can be influenced by the waste water peracid or alkali, the pH meter probe 21 in the waste water regulating tank 2 monitors the waste water in real time, sodium hydroxide or sulfuric acid is added to regulate the pH of the waste water to be 6-8, sodium hydroxide enters from the second medicine barrel 8 through the medicine inlet pipe 10, sulfuric acid enters from the third medicine barrel 9 through the medicine inlet pipe 10, and then the effluent of the waste water regulating tank 2 enters the security filter 3, so that tiny impurities in the waste water are filtered, the subsequent electro-oxidation load is lightened, and the blocking risk is reduced. The wastewater filtered by the cartridge filter 3 enters the electrocatalytic oxidation device 4 from the water inlet 6, the current density is controlled to be 10-40 mA/cm 2 in the electrocatalytic oxidation process by adjusting the direct current power supply 5, and the treated water is discharged from the water outlet 15 at the bottom of the device.
After electrocatalytic oxidation works for a period of time, calcium and magnesium deposits are formed on the surface of the cathode plate 26, the cell voltage is increased, energy waste is caused, the electrocatalytic oxidation efficiency is reduced, the electrode surface is required to be descaled, the device uses the reversed electrode to perform descaled treatment, when the electrode group 12 works for 5-10 hours, the electrode is reversed, the power supply anode is switched to be connected with the cathode group, the power supply cathode is switched to be connected with the anode group, the reversed electrode current density is 25-50 mA/cm 2, the duration is 5-10 minutes, and scaling on the electrode surface gradually falls off; for the stubborn dirt attached to the electrode, dilute hydrochloric acid can be added into the electrocatalytic oxidation device 4 for soaking and removing, the concentration of the dilute hydrochloric acid is controlled to be 1-5%, and the soaking time is 10-30 min.
The electrode group 12 includes a holder 22, and an electrode plate 23, the holder 22 being disposed in the case 11 via a support column 24, the electrode plate 23 being disposed on the holder 22, the electrode plate 23 being constituted by alternately arranging a plurality of anode plates 25 and a plurality of cathode plates 26 in parallel.
The support 22 is rectangular in structure, connecting rods 30 with threaded holes 29 are arranged on the periphery of the support 22, and the support 22 is fixed with the support columns 24 through screws and the threaded holes 29. And the electrode group 12 is convenient to be overhauled and replaced by subsequent disassembly.
The water inlet 6 is arranged on the upper side wall of the box body 11, the aeration pipe 13 is arranged below the electrode group 12, so that the electrocatalytic oxidation device 4 can form cross flow with air bubbles rising from the upper water inlet and the bottom aeration pipe 13, the exchange of wastewater in the electrocatalytic oxidation device 4 can be increased, the contact time of the wastewater with the anode plate 25 and the cathode plate 26 can be prolonged, the electrocatalytic oxidation effect can be improved, the removal of ammonia nitrogen and the degradation of organic matters can be facilitated, the treated water is discharged from the water outlet 15, the air outlet 14 is used for collecting hydrogen generated by the cathode plate 26 in the electrolysis process, the internal pressure of the box body 11 is unbalanced, and explosion can be avoided. The electrocatalytic oxidation electrode adopts reversed pole and hydrochloric acid washing, so that scaling on the surface of the electrode can be removed, the service life of the electrode is prolonged, and the reaction energy consumption is reduced.
The bottom of the box 11 is also provided with a drain outlet, and dirt in the electrocatalytic oxidation device 4 can be discharged from the drain outlet and collected in the same way.
The number of anode plates 25 and cathode plates 26 can be adjusted according to the process requirements and the amount of water. The anode plate 25 can be a titanium plate with RuO 2-IrO2 coating on the surface, the cathode electrode is a pure titanium net, the electrode is made of titanium-based material with corrosion resistance and low potential, and the service life is long.
The spacing between adjacent anode plates 25 and cathode plates 26 is 5mm to 30mm.
The upper, lower, left and right sides of the electrode plate 23 are respectively provided with a wiring point 27, and the wiring points 27 are connected with the direct current power supply 5 through the lead wires 18.
By arranging the wiring points 27 on the upper, lower, left and right sides of the electrode plate 23, the current can be transmitted on the surface of the electrode in a balanced manner, and the catalytic oxidation efficiency of pollutants in different parts of the wastewater can be increased.
The aerator pipe 13 is provided with a plurality of through holes 28 which are distributed at intervals.
By providing a plurality of through holes 28 spaced apart, uniform gas outlet is ensured.
The case 11 is made of stainless steel, and the inner wall of the case 11 is provided with a teflon coating.
By arranging a Teflon coating on the inner wall of the box body 11, the anti-corrosion and insulating effects can be achieved.
The foregoing detailed description is directed to embodiments of the utility model which are not intended to limit the scope of the utility model, but rather to cover all modifications and variations within the scope of the utility model.
Claims (9)
1. A system for treating ammonia nitrogen pollutants in battery wastewater, which is characterized in that: the device comprises a medicine storage barrel, a waste water regulating tank, a cartridge filter, an electrocatalytic oxidation device and a direct current power supply, wherein the medicine storage barrel is connected with the waste water regulating tank, the water outlet end of the waste water regulating tank is communicated with the water inlet end of the cartridge filter, the water outlet end of the cartridge filter is connected with the water inlet of the electrocatalytic oxidation device, and the direct current power supply is used for providing power for the electrocatalytic oxidation device.
2. A system for treating ammonia nitrogen contaminants in battery wastewater according to claim 1, wherein: the medicine storage barrel comprises a first medicine barrel, a second medicine barrel and a third medicine barrel, wherein the first medicine barrel, the second medicine barrel and the third medicine barrel are connected with the waste water regulating tank through medicine inlet pipes respectively, the first medicine barrel is used for storing sodium chloride, the second medicine barrel is used for storing sodium hydroxide, and the third medicine barrel is used for storing sulfuric acid.
3. A system for treating ammonia nitrogen contaminants in battery wastewater according to claim 1, wherein: the electrocatalytic oxidation device comprises a box body, an electrode group and an aeration pipe, wherein an air outlet is formed in the top side of the box body, the water inlet is formed in the side wall of the upper portion of the box body, a water outlet and an emptying port are formed in the side wall of the lower portion of the box body, the electrode group and the aeration pipe are arranged in the box body, the aeration pipe is located below the electrode group, the aeration pipe is connected with an external blower, and the electrode group is connected with a direct-current power supply through a wire.
4. A system for treating ammonia nitrogen contaminants in battery wastewater according to claim 2, wherein: a floating ball liquid level meter, a stirrer and a pH meter probe are arranged in the wastewater regulating tank.
5. A system for treating ammonia nitrogen contaminants in battery wastewater according to claim 3, wherein: the electrode group comprises a support and an electrode plate, the support is arranged in the box body through a support column, the electrode plate is arranged on the support, and the electrode plate is formed by alternately arranging a plurality of anode plates and a plurality of cathode plates in parallel.
6. A system for treating ammonia nitrogen contaminants in battery wastewater as recited in claim 5, wherein: the spacing between two adjacent anode plates and cathode plates is 5mm-30mm.
7. A system for treating ammonia nitrogen contaminants in battery wastewater as recited in claim 6, wherein: and wiring points are respectively arranged on the upper side, the lower side, the left side and the right side of the electrode plate, and are connected with the direct current power supply through the lead wires.
8. A system for treating ammonia nitrogen contaminants in battery wastewater as recited in claim 7, wherein: a plurality of through holes which are distributed at intervals are formed in the aeration pipe.
9. A system for treating ammonia nitrogen contaminants in battery wastewater as recited in claim 8, wherein: the box is made of stainless steel materials, and a Teflon coating is arranged on the inner wall of the box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322679832.8U CN221191917U (en) | 2023-09-28 | 2023-09-28 | System for handle battery waste water ammonia nitrogen pollutant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322679832.8U CN221191917U (en) | 2023-09-28 | 2023-09-28 | System for handle battery waste water ammonia nitrogen pollutant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221191917U true CN221191917U (en) | 2024-06-21 |
Family
ID=91522928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322679832.8U Active CN221191917U (en) | 2023-09-28 | 2023-09-28 | System for handle battery waste water ammonia nitrogen pollutant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221191917U (en) |
-
2023
- 2023-09-28 CN CN202322679832.8U patent/CN221191917U/en active Active
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