CN213326899U - Fenton treatment device for sewage - Google Patents
Fenton treatment device for sewage Download PDFInfo
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- CN213326899U CN213326899U CN202022009210.0U CN202022009210U CN213326899U CN 213326899 U CN213326899 U CN 213326899U CN 202022009210 U CN202022009210 U CN 202022009210U CN 213326899 U CN213326899 U CN 213326899U
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Abstract
The utility model discloses a fragrant processing apparatus of sewage belongs to sewage treatment technical field. The treatment device comprises a Fenton treatment tower, a water inlet pump, a quantitative dosing device, an ozone generator and a PLC (programmable logic controller); the upper part and the lower part of the Fenton treatment tower are communicated through a circulating water pipe with a circulating water pump to form a circulating loop; the water inlet pump is communicated with the bottom of the Fenton treatment tower through a water inlet pipeline; the quantitative dosing device comprises a medicament tank and a dosing pipeline with a dosing pump, and the medicament tank is communicated with the water inlet pipeline through the dosing pipeline; the ozone generator is communicated with a circulating pipeline between the circulating water pump and the Fenton treatment tower through a pipeline; the circulating water pump, the water inlet pump, the dosing pump and the ozone generator are connected with and controlled by the PLC. The utility model discloses a combine ozone oxidation and fenton oxidation and form circulation circuit, effectively improved the treatment effect, and the processing time is short, the treatment effeciency is high.
Description
Technical Field
The utility model relates to a sewage treatment technical field, concretely relates to fragrant processing apparatus of sewage.
Background
With the development of the ink jet technology in the last two decades and the rise of the digital printing technology in China in recent years, the production value of the ink jet industry increases year by year and simultaneously brings about a plurality of problems in the aspect of environmental protection. The ink-jet ink inevitably generates sewage in the manufacturing process, and the sewage treatment is a problem which is difficult to solve in the ink-jet production industry. The sewage in the ink-jet industry has the characteristics of deep chromaticity, high organic matter content, complex components, less discharge amount, easy influence on the surrounding water environment and the like, so the sewage can be discharged after being subjected to advanced treatment and reaching the standard.
The advanced treatment of sewage refers to further removing refractory organic pollutants, suspended matters, chromaticity and the like in the sewage after primary and secondary treatment of urban sewage or industrial wastewater. The deep treatment method comprises the following steps: flocculation precipitation, sand filtration, activated carbon, membrane separation, ion exchange, fenton oxidation, and the like. For the nondegradable toxic and harmful pollutants discharged in industrial production, advanced oxidation methods are generally adopted for advanced treatment, wherein the Fenton oxidation method is mainly adopted. The fenton oxidation reaction is a series of radical reactions taking ferrous ions as catalysts, and HO (hydroxyl radical) is continuously generated, so that the whole system has strong oxidizing property, and can oxidize substances which are difficult to be oxidized by common oxidants. However, the current fenton oxidation type sewage treatment device has large equipment investment, complex process, long treatment time, high energy consumption, high operation and investment cost and poor treatment effect, the treated water quality is difficult to reach the national discharge standard, and the treated sewage and the comprehensive wastewater must be collected to a large sewage treatment plant for centralized treatment.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to provide a sewage Fenton treatment device, which effectively improves the treatment effect by combining ozone oxidation and Fenton oxidation and forming a circulation loop, and has short treatment time and high treatment efficiency.
In order to solve the above problem, the utility model discloses the technical scheme who adopts as follows:
a sewage Fenton treatment device comprises a Fenton treatment tower, a water inlet pump, a quantitative dosing device, an ozone generator and a PLC (programmable logic controller); the upper part and the lower part of the Fenton treatment tower are communicated through a circulating water pipe with a circulating water pump to form a circulating loop; the water inlet pump is communicated with the bottom of the Fenton treatment tower through a water inlet pipeline; the quantitative dosing device comprises a medicament tank and a dosing pipeline with a dosing pump, and the medicament tank is communicated with the water inlet pipeline through the dosing pipeline; the ozone generator is communicated with a circulating pipeline between the circulating water pump and the Fenton treatment tower through a pipeline; the circulating water pump, the water inlet pump, the dosing pump and the ozone generator are connected with the PLC and controlled by the PLC.
As a preferred embodiment of the present invention, a sludge discharge pipe is disposed at the bottom of the fenton processing tower; a cofferdam is arranged at the top of the Fenton treatment tower, an overflow area is formed between the cofferdam and the outer wall of the Fenton treatment tower, and the overflow area is communicated with the sludge discharge pipe through a floating sludge discharge pipe.
As the preferred embodiment of the utility model, the bottom of the Fenton treatment tower is provided with a micropore aeration disc.
As the preferred embodiment of the present invention, the outer side of the fenton treatment tower is provided with an upper liquid level device and a lower liquid level device.
As the utility model discloses preferred embodiment, be provided with the circulation solenoid valve on the circulating water pipe between circulating water pump and the fenton treating column, the circulation solenoid valve is connected with the PLC controller and is controlled by it.
As the utility model discloses preferred embodiment, be connected with drainage pipe on the circulating water pipe between circulating water pump and the circulation solenoid valve, be provided with the drainage solenoid valve on the drainage pipe, the drainage solenoid valve is connected with the PLC controller and is controlled by it.
Compared with the prior art, the beneficial effects of the utility model reside in that:
the sewage Fenton treatment device of the utility model is provided with the circulating water pipe and the circulating water pump in the Fenton treatment tower, so that sewage in the Fenton treatment tower forms a circulating loop, the improvement of the sewage treatment efficiency is facilitated, the ozone oxidation and the Fenton oxidation are combined, the oxidation effect is enhanced, the pollutant oxidative decomposition and degradation speed is accelerated, the sewage treatment effect is effectively improved, the treatment aging is shortened by 50%, the sewage COD degradation is improved to 80-90% from 30% of the original equipment, the chroma degradation capability is improved by 90%, the treatment time is short, and the treatment efficiency is high; the quantitative dosing device is controlled by the PLC to ensure that the medicament is added at a constant speed and in a quantitative manner, and then the medicament and the sewage are uniformly mixed by the circulating loop, so that the medicament can completely play a role, and the medicament waste is effectively avoided. The bottom through at the fenton treating column installs micropore aeration dish, has improved the air supporting ability, and the solid suspended solid is discharged to the mud floating discharge pipe in rethread overflow district to effectively improved the throughput of SS, made the SS concentration greatly reduced in the sewage, further improved the treatment effect.
To sum up, the utility model provides a traditional fenton handles the big difficult problem that the energy consumption is high, the effect is poor, inefficiency and reaction time are long, reaches innoxious, purification, energy-conserving clean environmental protection's purpose under the low energy consumption condition, and the treatment effect is good, the treatment effeciency is high, and degree of automation is high.
Drawings
Fig. 1 is a schematic structural view of a sewage fenton treatment device according to the present invention;
fig. 2 is a sectional view of a fenton tower according to the present invention;
fig. 3 is a top view of a fenton tower according to the present invention;
the reference numbers illustrate: 1. a Fenton treatment tower; 2. a water inlet pump; 3. an ozone generator; 4. a PLC controller; 5. a water inlet pipe; 6. a water circulating pump; 7. a circulating water pipe; 8. a circulating solenoid valve; 9. a water discharge pipeline; 10. a water discharge electromagnetic valve; 11. an upper liquid level device; 12. a lower liquid level device; 13. a microporous aeration disc; 14. a sludge discharge pipe; 15. cofferdam; 16. a floating mud discharge pipe; 17. a medicament canister; 18. a dosing pump; 19. a medicine feeding pipeline.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 to 3, the sewage-treating device provided by the present invention mainly comprises a fenton treatment tower 1 as a main body of sewage treatment, a water inlet pump 2 for delivering sewage, a quantitative dosing device for providing a fenton reagent, an ozone generator 3 for ozone, and a PLC controller 4 for controlling the water inlet pump 2, the quantitative dosing device, and the ozone generator 3; preferably, the PLC controller 4 is preferably of the SMRAT200 model.
Specifically, intake pump 2 passes through intake pipe 5 and the bottom intercommunication of fenton treatment tower 1 to carry sewage, intake pump 2 is connected with PLC controller 4 and is controlled by PLC controller 4, presets the influent treatment volume of sewage through PLC controller 4, can adjust sewage treatment volume according to the nature of sewage like this, in order to reach best treatment effect. The upper part and the lower part of the Fenton treatment tower 1 are communicated through a circulating water pipe 7 with a circulating water pump 6 to form a circulating loop, the circulating water pump 6 is connected with the PLC 4 and is controlled by the PLC 4, and the circulating times are controlled by the PLC 4, so that the optimal treatment effect can be achieved with the lowest energy consumption; the sewage is circularly treated in the Fenton treatment tower 1 in an all-around dead angle-free manner, so that the treatment effect of the sewage is favorably improved. More specifically, along the circulation direction of the water flow, a circulation electromagnetic valve 8 is arranged on a circulation water pipe 7 between a circulation water pump 6 and the Fenton treatment tower 1, and the circulation electromagnetic valve 8 is connected with and controlled by the PLC 4; a water drainage pipeline 9 is connected to the circulating water pipe 7 between the circulating water pump 6 and the circulating electromagnetic valve 8, a water drainage electromagnetic valve 10 is arranged on the water drainage pipeline 9, and the water drainage electromagnetic valve 10 is connected with and controlled by the PLC 4; the PLC 4 controls the circulating electromagnetic valve 8 and the water discharging electromagnetic valve 10, the water inlet, running and water discharging functions are automatically switched, and the operation is convenient and fast. The outer side of the Fenton treatment tower 1 is provided with a transparent pipe for observing the liquid level condition in the tower, the upper part and the lower part of the outer side of the transparent pipe are respectively provided with an upper liquid level device 11 and a lower liquid level device 12, and the signal output ends of the upper liquid level device 11 and the lower liquid level device 12 are respectively connected with the signal input end of the PLC controller 4 through signals. The bottom of the Fenton treatment tower 1 is provided with a micropore aeration disc 13, so that the air floatation capacity is improved. The bottom of the fenton tower 1 is provided with a sludge discharge pipe 14 with a discharge switch for discharging the generated sludge to the next process. A cofferdam 15 is arranged at the top of the Fenton treatment tower 1, an overflow area is formed between the cofferdam 15 and the outer wall of the Fenton treatment tower 1, and the overflow area is communicated with a sludge discharge pipe 14 through a floating sludge discharge pipe 16; the floating mud discharge pipe 16 through the overflow district discharges the suspended solid to effectively improved the disability of SS, made the SS concentration greatly reduced in the sewage, for the fenton reaction provides good environment, the hydroxyl free radical and the micromolecule organic matter reaction that the fenton reagent produced effectively reduce the quantity of ozone and fenton reagent, further improved the treatment effect. The quantitative dosing device comprises at least two groups of agent tanks 17, a dosing pipeline 19 with a dosing pump 18 is arranged on each group of agent tanks 17, the agent tanks 17 are communicated with the water inlet pipeline 5 through the dosing pipeline 19, the dosing pump 18 is connected with the PLC controller 4 and is controlled by the PLC controller 4, so that the agent is added at a constant speed and quantitatively, the agent and sewage are uniformly mixed through a circulation loop, the agent can fully play a role, and the agent waste is effectively avoided. Ozone generator 3 passes through the pipeline and is located the circulating line intercommunication between circulating water pump 6 and the fenton treatment tower 1, ozone generator 3 is connected with PLC controller 4 and is controlled by PLC controller 4, combine together through ozone oxidation and fenton oxidation and aeration, the oxidation effect has been strengthened greatly, pollutant oxidative decomposition and degradation speed have been accelerated, thereby effectively improve the treatment effect of sewage, and the treatment ageing shortens 50%, sewage COD degradation is improved 80 ~ 90% by 30% of former equipment, the colour degradation ability improves 90%, the process time is short, the treatment effeciency is high.
It is visible by above-mentioned scheme, the utility model discloses a fragrant processing apparatus of sewage effectively solves the fragrant big difficult problem that handles the energy consumption height of tradition, the effect is poor, inefficiency and reaction time is long, reaches innoxious, purifies, the purpose of energy-conserving clean environmental protection under the low energy consumption condition, and the treatment effect is good, the treatment effeciency is high, and degree of automation is high.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.
Claims (6)
1. The utility model provides a sewage fenton processing apparatus which characterized in that: comprises a Fenton treatment tower, a water inlet pump, a quantitative dosing device, an ozone generator and a PLC controller; the upper part and the lower part of the Fenton treatment tower are communicated through a circulating water pipe with a circulating water pump to form a circulating loop; the water inlet pump is communicated with the bottom of the Fenton treatment tower through a water inlet pipeline; the quantitative dosing device comprises a medicament tank and a dosing pipeline with a dosing pump, and the medicament tank is communicated with the water inlet pipeline through the dosing pipeline; the ozone generator is communicated with a circulating pipeline between the circulating water pump and the Fenton treatment tower through a pipeline; the circulating water pump, the water inlet pump, the dosing pump and the ozone generator are connected with the PLC and controlled by the PLC.
2. A sewage fenton treatment apparatus according to claim 1, wherein: a sludge discharge pipe is arranged at the bottom of the Fenton treatment tower; a cofferdam is arranged at the top of the Fenton treatment tower, an overflow area is formed between the cofferdam and the outer wall of the Fenton treatment tower, and the overflow area is communicated with the sludge discharge pipe through a floating sludge discharge pipe.
3. A sewage fenton treatment apparatus according to claim 1 or 2, wherein: and a microporous aeration disc is arranged at the bottom of the Fenton treatment tower.
4. A sewage fenton treatment apparatus according to claim 1 or 2, wherein: and an upper liquid level device and a lower liquid level device are arranged on the outer side of the Fenton treatment tower.
5. A sewage fenton treatment apparatus according to claim 1 or 2, wherein: and a circulating electromagnetic valve is arranged on a circulating water pipe between the circulating water pump and the Fenton treatment tower, and the circulating electromagnetic valve is connected with and controlled by the PLC controller.
6. A sewage Fenton's treatment apparatus according to claim 5, characterised in that: and a drainage pipeline is connected to the circulating water pipe between the circulating water pump and the circulating electromagnetic valve, a drainage electromagnetic valve is arranged on the drainage pipeline, and the drainage electromagnetic valve is connected with and controlled by the PLC controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022009210.0U CN213326899U (en) | 2020-09-14 | 2020-09-14 | Fenton treatment device for sewage |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022009210.0U CN213326899U (en) | 2020-09-14 | 2020-09-14 | Fenton treatment device for sewage |
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| CN213326899U true CN213326899U (en) | 2021-06-01 |
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| CN202022009210.0U Active CN213326899U (en) | 2020-09-14 | 2020-09-14 | Fenton treatment device for sewage |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113562903A (en) * | 2021-08-16 | 2021-10-29 | 天津海派特环保科技有限公司 | Multi-cycle oxidation device and treatment process for high-salt degradation-resistant COD sewage treatment |
| CN117383684A (en) * | 2023-10-20 | 2024-01-12 | 天津高能时代水处理科技有限公司 | High-efficient intelligent circulation type heterogeneous photocatalytic oxidation reaction device |
-
2020
- 2020-09-14 CN CN202022009210.0U patent/CN213326899U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113562903A (en) * | 2021-08-16 | 2021-10-29 | 天津海派特环保科技有限公司 | Multi-cycle oxidation device and treatment process for high-salt degradation-resistant COD sewage treatment |
| CN117383684A (en) * | 2023-10-20 | 2024-01-12 | 天津高能时代水处理科技有限公司 | High-efficient intelligent circulation type heterogeneous photocatalytic oxidation reaction device |
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