CN217996982U - Biological desulfurization is fenton processing system in coordination - Google Patents
Biological desulfurization is fenton processing system in coordination Download PDFInfo
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- CN217996982U CN217996982U CN202221621304.6U CN202221621304U CN217996982U CN 217996982 U CN217996982 U CN 217996982U CN 202221621304 U CN202221621304 U CN 202221621304U CN 217996982 U CN217996982 U CN 217996982U
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- processing system
- pipeline
- fenton
- reaction tank
- spray column
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- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 19
- 230000023556 desulfurization Effects 0.000 title claims abstract description 19
- 238000006243 chemical reaction Methods 0.000 claims abstract description 48
- 238000005273 aeration Methods 0.000 claims abstract description 33
- 239000007921 spray Substances 0.000 claims abstract description 28
- 239000007788 liquid Substances 0.000 claims abstract description 27
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000002253 acid Substances 0.000 claims abstract description 8
- 239000010842 industrial wastewater Substances 0.000 claims abstract description 4
- 239000002351 wastewater Substances 0.000 claims abstract description 4
- 238000005507 spraying Methods 0.000 claims description 27
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 15
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 12
- 230000001105 regulatory effect Effects 0.000 claims description 10
- 239000011790 ferrous sulphate Substances 0.000 claims description 5
- 235000003891 ferrous sulphate Nutrition 0.000 claims description 5
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 claims description 5
- 229910000359 iron(II) sulfate Inorganic materials 0.000 claims description 5
- 230000001590 oxidative effect Effects 0.000 claims description 4
- 239000003513 alkali Substances 0.000 claims description 3
- 239000003054 catalyst Substances 0.000 claims description 3
- 239000007800 oxidant agent Substances 0.000 claims description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract description 21
- 239000010865 sewage Substances 0.000 abstract description 10
- 235000011149 sulphuric acid Nutrition 0.000 abstract description 5
- 239000001117 sulphuric acid Substances 0.000 abstract description 4
- 239000002699 waste material Substances 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 8
- -1 hydroxyl radicals Chemical class 0.000 description 5
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 239000008399 tap water Substances 0.000 description 3
- 235000020679 tap water Nutrition 0.000 description 3
- 230000007935 neutral effect Effects 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 238000007259 addition reaction Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910001448 ferrous ion Inorganic materials 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- XLYOFNOQVPJJNP-ZSJDYOACSA-N heavy water Substances [2H]O[2H] XLYOFNOQVPJJNP-ZSJDYOACSA-N 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The utility model relates to a biological desulfurization is fragrant processing system in coordination, including the spray column, the aeration reaction pond, transfer sour pond and fragrant processing system, the spray column is connected with the bleed pipeline that is used for leading-in air and marsh gas, the downside at the spray column is connected to the bleed pipeline, the spray column still is connected with and sprays liquid input pipeline, the downside of spray column is connected with the drain pipe, the drain pipe is connected with the aeration reaction pond, the aeration reaction pond is connected with the acid regulation pond through transferring sour feed liquor pipe, transfer sour pond through transferring sour drain pipe and fragrant processing system and be connected, it is connected with the leading-in pipeline of waste water that is used for leading into the industrial waste water and transfers sour pond to transfer sour pond, the play water piping connection of fragrant processing system has the back flow that will handle up to standard liquid input aeration reaction pond. The beneficial effects of the utility model are that, utilize the waste liquid of biological desulfurization emission to replace sulphuric acid, transfer sour, practice thrift the sulphuric acid quantity, reduce the treatment cost of sewage as follows.
Description
Technical Field
The utility model relates to a sewage treatment technical field, specific is a biological desulfurization is fenton processing system in coordination.
Background
The essence of the Fenton method is that a chain reaction between ferrous ions (Fe 2 +) and hydrogen peroxide catalyzes to generate hydroxyl radicals, and the Fenton method has strong oxidizing capability, and the oxidation potential of the Fenton method is only second to that of fluorine and is as high as 2.80V. In addition, the hydroxyl free radical has high electronegativity or electrophilicity, the electron affinity of the hydroxyl free radical is as high as 569.3kJ, and the hydroxyl free radical has strong addition reaction characteristics, so most organic matters in water can be oxidized indiscriminately, and the hydroxyl free radical is particularly suitable for the oxidation treatment of organic wastewater which is difficult to degrade biologically or to perform effective chemical oxidation. However, in the fenton method, sulfuric acid needs to be added to adjust the sewage in the sewage treatment process, and the use cost of the sulfuric acid is high, which results in high cost of the sewage.
SUMMERY OF THE UTILITY MODEL
In order to overcome one or more defects among the prior art, the embodiment of the utility model provides a biological desulfurization is fenton processing system in coordination utilizes the waste liquid of biological desulfurization emission to replace directly adding sulphuric acid, transfers acid, practices thrift the sulphuric acid quantity, reduces the treatment cost of sewage.
The utility model discloses a: the utility model provides a biological desulfurization is fragrant processing system in coordination, includes spray column, aeration reaction tank, accent sour pond and fragrant processing system, the spray column is connected with the bleed pipeline that is used for leading-in air and marsh gas, the bleed pipe connection be in the downside of spray column, the spray column still is connected with spray input pipeline, the downside of spray column is connected with the drain pipe, the drain pipe with aeration reaction tank connects, aeration reaction tank through transfer sour feed liquor pipe with it connects to transfer sour pond, it is connected with fragrant processing system through transfer sour drain pipe to transfer sour pond, it is used for leading-in industrial waste water to transfer sour pond's waste water introduction pipeline to transfer sour pond, fragrant processing system's play water piping connection will handle up to standard liquid input aeration reaction tank's back flow.
Furthermore, the spraying liquid input pipeline is connected with a spraying pipeline, the spraying pipeline comprises a plurality of spraying pipes which are connected with each other and spraying holes which are formed in the lower ends of the spraying pipes, and a regulating valve for regulating the pressure or flow of the spraying liquid is connected between the spraying pipeline and the spraying liquid input pipeline.
Furthermore, a microporous aeration disc is arranged at the bottom of the aeration reaction tank, and the microporous aeration disc is connected with an induced draft fan for introducing air.
Further, fenton processing system includes reaction tank and equalizing basin, the reaction tank pass through the pipeline with the equalizing basin intercommunication, the delivery port of adjusting sour drain pipe with the reaction tank intercommunication, the outlet pipe with the equalizing basin intercommunication.
Further, the reaction tank is connected with a catalyst dosing device for adding ferrous sulfate.
Further, the reaction tank is connected with an oxidant dosing device for adding hydrogen peroxide.
Further, the regulating reservoir is connected with an alkali source dosing device for adding sodium hydroxide.
The utility model has the advantages that the waste liquid discharged by biological desulfurization is used to replace sulfuric acid for acid adjustment, so that the sulfuric acid consumption is saved, and the sewage treatment cost is reduced; in addition, the water outlet pipe of the Fenton treatment system is connected with a return pipe for inputting the standard-reaching liquid to be treated into the aeration reaction tank, so that the using amount of tap water can be reduced, and the cost of sewage treatment is further reduced.
In order to make the aforementioned and other objects, features and advantages of the invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic diagram of a biological desulfurization and Fenton treatment system.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, the utility model provides a biological desulfurization is fragrant processing system in coordination in a preferred embodiment, including spray column 1, aeration reaction tank 2, transfers sour pond 3 and fenton processing system 4, spray column 1 is connected with the bleed pipeline 11 that is used for leading-in air and marsh gas, bleed pipeline 11 is connected the downside of spray column 1, spray column 1 still is connected with spray input pipeline 12, spray column 1's downside is connected with drain pipe 13, drain pipe 13 with aeration reaction tank 2 is connected, aeration reaction tank 2 through transfer sour feed liquor pipe 21 with transfer sour pond 3 to connect, transfer sour pond 3 to be connected with fenton processing system 4 through transfer sour drain pipe 31, transfer sour pond 3 to be connected with and be used for leading-in industrial waste water transfer into pipeline 5 of transferring sour pond 3, the outlet pipe 41 of fenton processing system 4 is connected with the back flow 6 that will handle up to standard liquid input of aeration reaction tank 2. Through the technical scheme: the waste liquid discharged by biological desulfurization can be used for replacing sulfuric acid to regulate acid, so that the use amount of sulfuric acid is saved, and the treatment cost of sewage is reduced; in addition, the water outlet pipe 41 of the Fenton treatment system 4 is connected with the return pipe 6 which inputs the liquid reaching the standard to be treated into the aeration reaction tank 2, so that the consumption of tap water can be reduced, and the cost of sewage treatment is further reduced.
In the practical implementation process, H in the marsh gas 2 S reacts with oxygen in the spray tower 1 to generate sulfuric acid and a small amount of SThe elemental sulfur enters the aeration tank along with the circulation of the spray liquid, and reacts to generate sulfuric acid under the aeration condition, wherein the reaction formula is as follows:
H2S+2O2→H2SO4
2H2S+O2→2S+2H2O
2S+3O2+2H20→2H2SO4
the effluent of the Fenton reaction is neutral and can be discharged, the effluent of the Fenton reaction is guided into the aeration reaction tank 2 by using the return pipe 6 to replace tap water, and the pH of the acid liquid in the aeration tank can be adjusted up to 1-2 points, so that the liquid in the aeration reaction tank 2 tends to be neutral.
In the above embodiment, the spraying liquid input pipeline 12 is connected to a spraying pipeline 121, the spraying pipeline 121 includes a plurality of spraying pipes 122 connected to each other and spraying holes 123 opened at the lower ends of the spraying pipes 122, and a regulating valve 124 for regulating the pressure or flow of the spraying liquid is connected between the spraying pipeline 121 and the spraying liquid input pipeline 12. In actual practice, the spray tower 1 is further connected to an exhaust pipe 14 for exhausting excess air and reaction-completed gas. In practical implementation, the bleed air duct 11 includes a first pipeline 111 and a second pipeline 112, the first pipeline 111 is connected to the spray tower 1, the second pipeline 112 is connected to the first pipeline 111, the first pipeline 111 is used for inputting biogas, and the second pipeline 112 is used for inputting air.
In the above embodiment, in order to improve the reaction efficiency, a microporous aeration disc 22 is arranged at the bottom of the aeration reaction tank 2, and an induced draft fan 23 for introducing air is connected to the microporous aeration disc 22. S in the liquid discharged from the liquid outlet pipe reacts in the aeration tank to generate H 2 SO4, the pH is lowered to 2 or less to obtain a reaction solution, and then the reaction solution is introduced into the fenton treatment system 4 through the acid adjusting outlet pipe 31.
In the above embodiment, the fenton treatment system 4 includes a reaction tank 42 and a regulation tank 43, the reaction tank 42 is communicated with the regulation tank 43 through a pipeline, a water outlet of the acid adjusting liquid outlet pipe 31 is communicated with the reaction tank 42, and the water outlet pipe 41 is communicated with the regulation tank 43.
In the above embodiment, the reaction tank 42 is connected to a catalyst adding device for adding ferrous sulfate. In practical implementation, the ferrous sulfate solution is added into the reaction tank through the ferrous sulfate dosing tube 421.
In the above embodiment, the reaction tank 42 is connected to an oxidant adding device for adding hydrogen peroxide. In the actual implementation process, hydrogen peroxide is added into the reaction tank through a hydrogen peroxide dosing pipe 421.
In the above embodiment, the regulating reservoir 43 is connected to an alkali source dosing device for adding sodium hydroxide. In actual practice, sodium hydroxide is added to the reaction cell through sodium hydroxide feed tube 431 and the pH is adjusted to 7.0.
The present invention has been explained by using specific embodiments, and the explanation of the above embodiments is only used to help understand the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be changes in the specific embodiments and the application range, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (7)
1. The utility model provides a biological desulfurization is fenton processing system in coordination which characterized in that: including spray column, aeration reaction tank, accent sour pond and fenton processing system, the spray column is connected with the bleed pipeline that is used for leading-in air and marsh gas, the bleed pipeline is connected the downside of spray column, the spray column still is connected with the spray input pipeline, the downside of spray column is connected with the drain pipe, the drain pipe with aeration reaction tank connects, aeration reaction tank through transfer sour feed liquor pipe with transfer sour pond and connect, transfer sour pond through transfer sour drain pipe and fenton processing system connection, transfer sour pond and be connected with and be used for leading-in industrial waste water transfer into the pipeline of waste water of transfer sour pond, the play water piping connection of fenton processing system will handle up-to-standard liquid input aeration reaction tank's back flow.
2. The biological desulfurization in coordination with fenton's processing system of claim 1, characterized in that: the spraying liquid input pipeline is connected with a spraying pipeline, the spraying pipeline comprises a plurality of mutually connected spraying pipes and spraying holes formed in the lower ends of the spraying pipes, and an adjusting valve for adjusting the pressure or flow of the spraying liquid is connected between the spraying pipeline and the spraying liquid input pipeline.
3. The biological desulfurization in coordination with fenton's processing system of claim 1, characterized in that: the bottom of the aeration reaction tank is provided with a micropore aeration disc, and the micropore aeration disc is connected with an induced draft fan for introducing air.
4. The biological desulfurization in coordination with fenton's processing system of claim 1, characterized in that: the Fenton processing system comprises a reaction tank and a regulating tank, wherein the reaction tank is communicated with the regulating tank through a pipeline, a water outlet of the acid adjusting liquid outlet pipe is communicated with the reaction tank, and a water outlet pipe is communicated with the regulating tank.
5. The biological desulfurization and Fenton's processing system according to claim 4, characterized in that: the reaction tank is connected with a catalyst dosing device for adding ferrous sulfate.
6. The biological desulfurization and Fenton's processing system according to claim 5, characterized in that: the reaction tank is connected with an oxidant dosing device for adding hydrogen peroxide.
7. The biological desulfurization and Fenton's processing system according to claim 4, characterized in that: the regulating reservoir is connected with an alkali source dosing device for adding sodium hydroxide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221621304.6U CN217996982U (en) | 2022-06-27 | 2022-06-27 | Biological desulfurization is fenton processing system in coordination |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221621304.6U CN217996982U (en) | 2022-06-27 | 2022-06-27 | Biological desulfurization is fenton processing system in coordination |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217996982U true CN217996982U (en) | 2022-12-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221621304.6U Active CN217996982U (en) | 2022-06-27 | 2022-06-27 | Biological desulfurization is fenton processing system in coordination |
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| Country | Link |
|---|---|
| CN (1) | CN217996982U (en) |
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- 2022-06-27 CN CN202221621304.6U patent/CN217996982U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240406 Address after: No. 1007, Xinghuo maker space, Nanjing National Agricultural Innovation Park, No. 20, Yuhe Road, Pukou District, Nanjing, Jiangsu Province, 210000 Patentee after: Nanjing amine cloud Chemical Technology Co.,Ltd. Country or region after: China Patentee after: Modern energy (Wuhe) Co.,Ltd. Address before: 214423 Zhouxi Industrial Park, Zhouzhuang Town, Jiangyin City, Wuxi City, Jiangsu Province (behind youjieba Village) Patentee before: Jiangyin Longyun Sewage Treatment Co.,Ltd. Country or region before: China Patentee before: Modern energy (Wuhe) Co.,Ltd. |
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| TR01 | Transfer of patent right |