CN221275561U - Fenton-like reactor and sewage treatment system - Google Patents
Fenton-like reactor and sewage treatment system Download PDFInfo
- Publication number
- CN221275561U CN221275561U CN202323353635.3U CN202323353635U CN221275561U CN 221275561 U CN221275561 U CN 221275561U CN 202323353635 U CN202323353635 U CN 202323353635U CN 221275561 U CN221275561 U CN 221275561U
- Authority
- CN
- China
- Prior art keywords
- pipeline
- fenton
- reactor
- tank
- water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000010865 sewage Substances 0.000 title claims abstract description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 36
- 238000010926 purge Methods 0.000 claims abstract description 21
- 239000003054 catalyst Substances 0.000 claims abstract description 17
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 18
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 18
- 238000001514 detection method Methods 0.000 claims description 11
- 238000004062 sedimentation Methods 0.000 claims description 11
- 230000001112 coagulating effect Effects 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 8
- 238000012856 packing Methods 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 229920011532 unplasticized polyvinyl chloride Polymers 0.000 claims description 3
- 238000011010 flushing procedure Methods 0.000 claims description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 20
- 238000007664 blowing Methods 0.000 abstract description 11
- 229910052742 iron Inorganic materials 0.000 abstract description 10
- 239000000945 filler Substances 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 7
- 239000002351 wastewater Substances 0.000 description 5
- 239000002253 acid Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 231100000086 high toxicity Toxicity 0.000 description 3
- 239000003513 alkali Substances 0.000 description 2
- 238000005842 biochemical reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000002920 hazardous waste Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000011272 standard treatment Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The utility model discloses a Fenton-like reactor and a sewage treatment system, and belongs to the field of sewage treatment. Comprises a tank body, a porous supporting plate and a gas blowback component. At least one water inlet pipeline is arranged at the bottom of the tank body, and a water outlet pipeline is arranged at the top of the tank body; the porous supporting plate is arranged at the bottom or the middle part in the tank body and is suitable for placing Fenton-like fillers and/or catalysts; the air back-blowing assembly comprises a blowing pipeline horizontally arranged at the bottom of the porous supporting plate, a plurality of through holes arranged on the blowing pipeline, and a plurality of water distributors arranged on the porous supporting plate. According to the utility model, the bottom of the porous supporting plate is provided with the air back-blowing component, so that the purge air uniformly passes through the water distributor and fully back-blowing the catalyst is realized, and the iron mud adsorbed on the surface of the filler and/or the catalyst is removed.
Description
Technical Field
The utility model belongs to the field of sewage treatment, and particularly relates to a Fenton-like reactor and a sewage treatment system.
Background
Most of the chemical pharmaceutical industry production wastewater has complex components, high COD and high toxicity and is difficult to degrade. The waste water needs to be pretreated to degrade harmful components, and the B/C of the waste water is improved to be more than 0.3 so as to enter the next treatment process. For the pretreatment process of high COD and high toxicity refractory wastewater, the conventional Fenton process is one of the main stream processes at present. However, the conventional Fenton technology has limited contribution to the improvement of the B/C value of the high-toxicity refractory wastewater. In addition, the conventional Fenton technology reduces COD and simultaneously generates a large amount of iron mud, the iron mud is used as hazardous waste to treat, secondary pollution and production management cost are greatly increased, and the iron mud is adsorbed on the surface of a filler and/or a catalyst to influence the treatment effect of the Fenton reactor.
Disclosure of utility model
In order to overcome the technical defects, the utility model provides a Fenton-like reactor and a sewage treatment system, which are used for solving the problems related to the background technology.
The utility model provides a Fenton-like reactor and a sewage treatment system, comprising:
The water tank comprises a tank body, wherein at least one water inlet pipeline is arranged at the bottom of the tank body, and a water outlet pipeline is arranged at the top of the tank body;
The porous supporting plate is arranged at the bottom or the middle part in the tank body and is suitable for placing Fenton-like fillers and/or catalysts;
The air back-blowing assembly comprises a blowing pipeline horizontally arranged at the bottom of the porous supporting plate, a plurality of through holes arranged on the blowing pipeline, and a plurality of water distributors arranged on the porous supporting plate.
Preferably or alternatively, the purging pipeline is formed into a grid-shaped structure by sealing and overlapping UPVC pipelines with the diameter of 40 mm.
Preferably or optionally, a pair of through holes with diameters of 4-6 mm are formed at intervals of 100mm at the upper end of the purging pipeline, and the connecting angles between the two through holes and the central axis of the pipe are 45 degrees respectively.
Preferably or optionally, a plurality of support tubes are arranged at the bottom of the porous support plate, and the support tubes are fixed with the porous support plate by the bottom of the tank body through the purging pipeline.
Preferably or optionally, the top of the tank is further provided with an overflow pipe.
Preferably or optionally, a pipeline mixer is arranged on the water inlet pipeline, and a hydrogen peroxide pipeline, a sulfuric acid pipeline and a sewage liquid inlet pipeline are connected to the liquid inlet end of the pipeline mixer.
Preferably or alternatively, the hydrogen peroxide pipeline, the sulfuric acid pipeline and the sewage inlet pipeline are all provided with flow control valves.
Preferably or alternatively, the bottom of the tank is also provided with a pH on-line detection device, and the top of the tank is provided with an ORP on-line detection device.
The utility model also provides a sewage treatment system comprising the Fenton-like reactor, which comprises:
the collecting tank is used for collecting the production sewage;
the Fenton-like reactor is characterized in that a water inlet pipeline of the Fenton-like reactor is connected with the collecting tank;
the coagulation sedimentation tank is connected with an outlet pipeline of the Fenton-like reactor;
and the liquid inlet of the biochemical system is connected with the water outlet of the coagulating sedimentation tank.
The utility model relates to a Fenton-like reactor and a sewage treatment system, which have the following beneficial effects compared with the prior art: according to the utility model, the bottom of the porous supporting plate is provided with the air back-blowing component, so that the purge air uniformly passes through the water distributor and fully back-blowing the catalyst is realized, and the iron mud adsorbed on the surface of the filler and/or the catalyst is removed. And then the sewage containing the iron mud after the stripping enters a coagulating sedimentation tank to remove suspended matters in the water, and the pretreated sewage is sent into a biochemical reaction system, so that the sewage is finally continuous, stable and standard-reaching treatment.
Drawings
FIG. 1 is a schematic diagram of the Fenton-like reactor structure in the present utility model.
Fig. 2 is a schematic diagram of the arrangement of the air blowback assembly in the present utility model.
Fig. 3 is a schematic view of the arrangement of the through holes in the present utility model.
Fig. 4 is a schematic view showing the arrangement of the porous support plate in the present utility model.
FIG. 5 is a schematic diagram of a sewage treatment system according to the present utility model.
The reference numerals are: 100. a collecting tank; 200. a feed pump; 300. a mixer; 310. a hydrogen peroxide pipeline; 320. a sulfuric acid pipeline; 330. a sewage inlet pipe; 400. fenton-like reactor; 500. a coagulating sedimentation tank; 600. a biochemical system; 410. a tank body; 411. a water inlet pipe; 412. a water outlet pipe; 413. an overflow pipe; 420. a porous support plate; 430. a gas blowback assembly; 440. fillers and/or catalysts; 431. purging the pipeline; 432. a through hole; 433. a water distributor; 450. a support tube; 451. reinforcing ribs; 460. and a pH on-line detection device.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present utility model. It will be apparent, however, to one skilled in the art that the utility model may be practiced without one or more of these details. In other instances, well-known features have not been described in detail in order to avoid obscuring the utility model.
Example 1
Referring to fig. 1 to 4, this embodiment provides a Fenton-like reactor 400 comprising: a tank 410, a porous support plate 420, and a blowback assembly 430.
The tank 410 is provided with at least one water inlet pipe 411 at the bottom of the tank 410, a water outlet pipe 412 at the top of the tank 410, and an overflow pipe 413 at the top of the tank 410. The porous support plate 420 is disposed at a bottom or middle position within the tank 410 and is adapted to hold Fenton-like packing and/or catalyst 440; the back-flushing assembly 430 includes a purge pipe 431 horizontally disposed at the bottom of the porous support plate 420, a plurality of through holes 432 disposed on the purge pipe 431, and a plurality of water distributors 433 disposed on the porous support plate 420. In this embodiment, by disposing the air blowback component 430 at the bottom of the porous support plate 420, the purge air uniformly passes through the water distributor 433 and implements sufficient blowback of the catalyst, so as to remove the iron mud adsorbed on the surface of the filler and/or the catalyst 440.
In a further embodiment, the purge pipe 431 is a mesh structure formed by sealing and overlapping a UPVC pipe having a diameter of 40 mm. A pair of through holes 432 with the diameter of 4-6 mm are formed at the upper end of the purging pipeline 431 by 100mm, and the connecting angles between the two through holes 432 and the central axis of the pipe are 45 degrees respectively. Providing sufficient strength for the air backwash to remove iron mud adsorbed on the packing and/or the surface of the catalyst 440. At the same time, excessive air backwash strength is avoided and the packing and/or catalyst 440 is blown out of the porous support plate 420. Wherein the upper limit of the strength of the gas backwash is dependent on the material and size of the packing and/or catalyst 440.
In a further embodiment, a plurality of support tubes 450 are disposed at the bottom of the porous support plate 420, and a layer of glass fiber reinforced material is further coated on the outer surface of the support tubes 450, so as to improve the corrosion resistance of the support tubes 450. The support pipe 450 is fixed to the porous support plate 420 by the bottom of the tank 410 through the purge pipe 431, and the support pipe 450 not only can fix the support pipe 450, but also can fix the purge pipe through the reinforcing ribs 451, thereby realizing the fixation of the purge pipe.
In a further embodiment, the water inlet pipe 411 is provided with a pipe mixer 300, and the liquid inlet end of the pipe mixer 300 is connected with a hydrogen peroxide pipe 310, a sulfuric acid pipe 320 and a sewage liquid inlet pipe 330; flow control valves are arranged on the hydrogen peroxide pipeline 310, the sulfuric acid pipeline 320 and the sewage inlet pipeline 330; the bottom of the tank 410 is also provided with a pH on-line detection device 460, the top of the tank 410 is provided with an ORP on-line detection device, the pH value and the ORP value are analyzed by detecting the water blowing port through the pH on-line detection device 460 and the ORP on-line detection device, and the mixing proportion of the sulfuric acid and the hydrogen peroxide fed is timely adjusted.
In order to facilitate understanding of the technical scheme of the Fenton-like reactor 400, a brief description will be made of the working principle thereof: in the sewage treatment, the pH value and the ORP value are detected by the pH on-line detection device 460 and the ORP on-line detection device, and the mixing proportion of the sulfuric acid and the hydrogen peroxide fed into the sewage treatment is adjusted in time. During the purging process, sufficient air backwash strength is provided by the air backwash assembly 430 to uniformly pass the purge air through the water distributor 433 and achieve sufficient backwash of the catalyst to remove iron mud adsorbed on the surface of the packing and/or catalyst 440.
Example 2
On the basis of embodiment 1, this embodiment provides a sewage treatment system, referring to fig. 5, including: a collecting tank 100, a feeding pump 200, a mixer 300, a Fenton-like reactor 400, a coagulating sedimentation tank 500 and a biochemical system 600. The collecting tank 100 is used for collecting production sewage, and the collecting tank 100 guides the sewage into a water inlet pipe 411 of the Fenton-like reactor 400 through a feed pump 200; the coagulating sedimentation tank 500 is connected with the water outlet pipeline 412 of the Fenton-like reactor 400; the liquid inlet of the biochemical system 600 is connected with the water outlet of the coagulating sedimentation tank 500. And then the sewage containing the iron mud after the stripping enters a coagulating sedimentation tank 500 to remove suspended matters in the water, and the pretreated sewage is sent into a biochemical reaction system, so that the sewage is continuous, stable and standard treatment is finally realized.
The sewage treatment system does not need to add a large amount of acid to reduce the PH value of the inlet water. Thus, the dosage of acid is reduced, and the alkali dosage of the coagulating sedimentation process is also reduced, so that the salt rising caused by adding acid and alkali in the sewage treatment process is avoided, and the biochemical treatment effect is prevented from being influenced.
In addition, the specific features described in the above embodiments may be combined in any suitable manner without contradiction. The various possible combinations of the utility model are not described in detail in order to avoid unnecessary repetition.
Claims (9)
1. Fenton-like reactor (400), characterized in that it comprises:
The water tank comprises a tank body (410), wherein at least one water inlet pipeline (411) is arranged at the bottom of the tank body (410), and a water outlet pipeline (412) is arranged at the top of the tank body (410);
a porous support plate (420) disposed at a bottom or middle position within the tank (410) and adapted to hold a Fenton-like packing and/or catalyst (440);
The air back-flushing assembly (430) comprises a purging pipeline (431) horizontally arranged at the bottom of the porous supporting plate (420), a plurality of through holes (432) arranged on the purging pipeline (431), and a plurality of water distributors (433) arranged on the porous supporting plate (420).
2. The Fenton-like reactor (400) according to claim 1, wherein the purge line (431) is formed in a grid-like structure with a 40mm diameter UPVC pipe seal lap joint.
3. The Fenton-like reactor (400) according to claim 1, wherein a pair of through holes (432) with the diameters of 4-6 mm are formed at the upper end of the purging pipeline (431) at a distance of 100mm, and the connecting angles between the two through holes (432) and the central axis of the pipeline are 45 degrees respectively.
4. The Fenton-like reactor (400) according to claim 1, wherein a plurality of support tubes (450) are arranged at the bottom of the porous support plate (420), and the support tubes (450) are fixed with the porous support plate (420) by the bottom of the tank (410) through the purge pipe (431).
5. The Fenton-like reactor (400) according to claim 1, characterized in that the top of the tank (410) is further provided with an overflow pipe (413).
6. The Fenton-like reactor (400) according to claim 1, wherein a pipeline mixer (300) is arranged on the water inlet pipeline (411), and a hydrogen peroxide pipeline (310), a sulfuric acid pipeline (320) and a sewage water inlet pipeline (330) are connected to the liquid inlet end of the pipeline mixer (300).
7. The Fenton-like reactor (400) according to claim 6, wherein flow control valves are provided on the hydrogen peroxide pipeline (310), the sulfuric acid pipeline (320) and the sewage feed-in pipeline (330).
8. The Fenton-like reactor (400) according to claim 1, wherein the bottom of the tank (410) is further provided with a pH on-line detection device (460), and the top of the tank (410) is provided with an ORP on-line detection device.
9. A sewage treatment system comprising a Fenton-like reactor (400), comprising:
A collection tank (100) for collecting production sewage;
The Fenton-like reactor (400) of any of claims 1 to 8, wherein a water inlet conduit (411) is connected to the collection tank (100);
The coagulating sedimentation tank (500) is connected with an outlet pipeline (412) of the Fenton-like reactor (400);
and the liquid inlet of the biochemical system (600) is connected with the water outlet of the coagulating sedimentation tank (500).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323353635.3U CN221275561U (en) | 2023-12-11 | 2023-12-11 | Fenton-like reactor and sewage treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323353635.3U CN221275561U (en) | 2023-12-11 | 2023-12-11 | Fenton-like reactor and sewage treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221275561U true CN221275561U (en) | 2024-07-05 |
Family
ID=91692147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323353635.3U Active CN221275561U (en) | 2023-12-11 | 2023-12-11 | Fenton-like reactor and sewage treatment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221275561U (en) |
-
2023
- 2023-12-11 CN CN202323353635.3U patent/CN221275561U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107162158B (en) | Fenton fluidized bed reactor and method | |
| CN205019930U (en) | A chemical absorption device for volatile organic contaminant | |
| CN104140170B (en) | Heterogeneous effect Sewage advanced treatment reactor | |
| CN105776536A (en) | Online-maintenance up-flow anaerobic reactor | |
| CN109384336B (en) | Method for treating high-concentration organic wastewater by using dielectric barrier discharge-wastewater treatment combined equipment | |
| CN221275561U (en) | Fenton-like reactor and sewage treatment system | |
| CN108033558A (en) | Strengthen the method for dyeing waste water hydrolysis acidification performance | |
| CN211367132U (en) | Processing apparatus of high concentration ethylene glycol waste water | |
| CN105859031B (en) | A kind of cassava preparing alcohol advanced waste treatment system | |
| CN210001643U (en) | Plug flow type reactor based on multiphase oxidation water treatment technology | |
| CN209522649U (en) | A kind of circulation water distribution mud discharging device for anaerobic reactor | |
| CN210528631U (en) | High ammonia nitrogen landfill leachate front end gets rid of ammonia nitrogen processing system | |
| CN208104026U (en) | Anaerobic baffled reactor | |
| CN203976535U (en) | The waste water advanced treatment reactor of heterogeneous effect | |
| CN110015807B (en) | Enhanced denitrification reactor for deep denitrification and deep denitrification method thereof | |
| CN110627212A (en) | Treatment device and application method of high-concentration ethylene glycol wastewater | |
| CN210419434U (en) | Anoxic reactor | |
| CN205294954U (en) | Dull and stereotyped membrane aeration equipment of MBR that becomes more meticulous | |
| CN216890306U (en) | Novel denitrification filter | |
| CN109607892A (en) | A kind of electrochemistry pulse Fenton water treatment facilities | |
| CN212269735U (en) | Laboratory wastewater treatment machine adopting organic solvent adsorption separation and electrolytic oxidation technology | |
| CN216687593U (en) | Sodium hypochlorite feeding device for enhancing mixing effect | |
| CN208980477U (en) | A kind of advanced waste treatment system | |
| CN215480006U (en) | Water distribution device of UASB (upflow anaerobic sludge blanket) reactor | |
| CN211813612U (en) | Unpowered waste water charge device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |