CN214693652U - High-efficient fenton fluidized bed reaction unit - Google Patents
High-efficient fenton fluidized bed reaction unit Download PDFInfo
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- CN214693652U CN214693652U CN202120594767.7U CN202120594767U CN214693652U CN 214693652 U CN214693652 U CN 214693652U CN 202120594767 U CN202120594767 U CN 202120594767U CN 214693652 U CN214693652 U CN 214693652U
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Abstract
The utility model relates to a high-efficient fenton fluidized bed reaction unit. The device comprises two reaction tanks arranged in parallel, a dosing box, an acid medicament tank, a hydrogen peroxide medicament tank, a ferrous sulfate medicament tank and a flocculating agent tank, wherein the dosing box is arranged below the reaction tanks; the dosing tank is connected with the two reaction tanks through a circulating pipe, the circulating pipe is provided with a circulating pump, the acid agent tank is connected with the dosing tank through a pipeline, the pipeline is provided with an acid dosing pump, the hydrogen peroxide agent tank is connected with the dosing tank through a pipeline, the pipeline is provided with a hydrogen peroxide dosing pump, the ferrous sulfate agent tank is connected with the dosing tank through a pipeline, the pipeline is provided with a ferrous sulfate dosing pump, the flocculating agent tank is connected with the dosing tank through a pipeline, and the pipeline is provided with a flocculating agent dosing pump; the reaction tanks are internally provided with particle baskets with particles, and outlets at the bottoms of the two reaction tanks are connected with the dosing tank through a return pipe. The utility model has the advantages of reasonable design, be convenient for control reaction process, be favorable to intensive mixing and reaction between sewage and the medicament.
Description
Technical Field
The utility model belongs to the technical field of the environmental protection equipment, especially, relate to a high-efficient fenton fluidized bed reaction unit.
Background
The Fenton reaction is an inorganic chemical reaction and comprises the following specific processes: hydrogen peroxide (H)2O2) With ferrous iron ion Fe2+The mixed solution of (a) oxidizes many known organic compounds such as carboxylic acids, alcohols, esters into an inorganic state. The reaction has high capability of removing organic pollutants which are difficult to degrade, and is widely applied to the treatment of sewage such as oil-containing sewage, phenol-containing sewage, nitrobenzene-containing sewage and the like. 1mol of H2O2With 1mol of Fe2+After the reaction, 1mol of Fe is generated3+The simultaneous generation of 1mol of OH-plus 1mol of hydroxyl radicals is the presence of hydroxyl radicals, which makes the Fenton agent have strong oxidizing ability. In addition, the hydroxyl free radical has high electronegativity or electrophilicity, the electron affinity is as high as 569.3kJ, and the Fenton agent has strong addition reaction characteristic, so that the Fenton agent can indiscriminately oxidize most organic matters in water and is particularly suitable for difficultly biodegrading organismsOr oxidation treatment of organic sewage where general chemical oxidation is difficult to be effective.
The fenton reaction is usually carried out in a fluidized bed apparatus, which generally comprises a tank in which a granular layer is disposed, the granules being uniformly spread and forming a bed. If the fluid passes through the bed from top to bottom, the particles do not move, and the bed layer becomes a solid bed; if the fluid passes through the bed layer from top to bottom, the condition is the same as that of a solid bed when the flow rate is low, the particles move to expand the bed layer when the flow rate is increased, the particles can move away from each other and move in the fluid when the flow rate is further increased, and the movement is more violent when the flow rate is higher and the particles move in all directions in the bed layer. The last case is called the fluidized solid state, and the bed of particles after the fluidized state is called the fluidized bed. In the process of performing the Fenton reaction, the Fenton reagent is added into the tank body, the Fenton reaction is completed under the circulating continuous reaction condition, and organic pollutants contained in the sewage are removed.
In order to ensure the normal operation of the reaction, the existing fluidized bed reactor usually needs to be equipped with an oxidation tower having a fenton oxidation zone and an iron-carbon reaction zone, a sieve plate and a filler arranged in the oxidation tower, a water inlet and distribution zone, a water outlet tank, a circulating device, a dosing pipe, a water inlet pipe and the like, which complicates the structure of the reactor tank and is not beneficial to controlling the reaction process. On the other hand, the medicament is directly added into the reaction tank body, so that the medicament is not beneficial to fully reacting with the sewage, and the dosage ratio control between the medicaments and between the medicament and the sewage is also not beneficial. Above defect leads to current fluidized bed reaction unit can't realize the high-efficient fenton reaction of sewage and handles, consequently needs carry out optimal design in order to solve the problem among the background art to reaction unit's structure.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the technical problem that exists among the known art and provide a structural design is reasonable, be convenient for control the reaction process, be favorable to fully mixing and the high-efficient fenton fluidized bed reaction unit who reacts between sewage and the medicament, promote the fenton reaction rate of sewage, promote the treatment effeciency of sewage and guarantee the treatment result.
The utility model discloses a solve the technical scheme that technical problem that exists among the well-known technique took and be: a high-efficiency Fenton fluidized bed reaction device comprises two reaction tanks which are arranged in parallel, a dosing box is arranged below the reaction tanks, and the high-efficiency Fenton fluidized bed reaction device also comprises an acid medicament tank, a hydrogen peroxide medicament tank, a ferrous sulfate medicament tank and a flocculating agent tank; the dosing tank is connected with the two reaction tanks through a circulating pipe, the circulating pipe is provided with a circulating pump, the acid agent tank is connected with the dosing tank through a pipeline, the pipeline is provided with an acid dosing pump, the hydrogen peroxide agent tank is connected with the dosing tank through a pipeline, the pipeline is provided with a hydrogen peroxide dosing pump, the ferrous sulfate agent tank is connected with the dosing tank through a pipeline, the pipeline is provided with a ferrous sulfate dosing pump, the flocculating agent tank is connected with the dosing tank through a pipeline, and the pipeline is provided with a flocculating agent dosing pump; the reactor comprises a reaction tank, a particle basket, a water injection pipe, water outlet pipes and exhaust pipes, wherein the particle basket is internally provided with particles, and outlets at the bottoms of the two reaction tanks are connected with a dosing tank through a return pipe; a discharge pipe is arranged on the dosing tank.
The utility model has the advantages that:
the utility model provides a high-efficient fenton fluidized bed reaction unit that structural design is reasonable, compare with current fenton retort equipment, the utility model discloses in through with retort and dosing tank, sour medicament jar, hydrogen peroxide medicament jar, ferrous sulfate medicament jar and flocculating agent jar components of a whole that can function independently setting, and adopt the pipeline to connect between the corresponding jar body and set up the dosing pump on the pipeline, make the mixing operation between sewage and the medicament go on in the dosing tank outside the retort, consequently only need set up the filler subassembly in the retort, and need not to set up other structures such as water distribution district, go out basin isotructure, the structure of retort has been simplified, make the mobile mode of sewage in the retort single relatively, be favorable to controlling the reaction process.
On the other hand, the mixing operation between the sewage and the medicament is transferred to an external dosing tank for carrying out, so that dosing mixing and dosage proportioning between the sewage and the medicament are easier to control. Because the pumping action that dosing pump, circulating pump etc. provided, sewage and medicament in the dosing tank can be faster, more fully mix, and this has accelerated the going on of fenton's reaction, has both promoted the speed of reaction, has promoted the sufficiency of fenton's reaction again, has promoted the treatment effeciency of sewage and has guaranteed the result of handling.
Preferably: reaction tank stirrers are arranged at the tops of the two reaction tanks, and a dosing tank stirrer is arranged on the dosing tank.
Preferably: the reaction tank comprises a tank body, wherein the top of the tank body is provided with a cover plate, and the bottom of the tank body is provided with a conical bottom; a plurality of supporting plates are arranged on the inner wall of the tank body, and the particle basket is positioned among the supporting plates; the middle part of the particle basket is provided with a vertically through central cylinder, and a stirring shaft of the reaction tank stirrer passes through the central cylinder.
Preferably: the reactor also comprises an overflow pipe, wherein the overflow pipe is connected to the tops of the side walls of the two reaction tanks.
Preferably: pipeline filters are respectively arranged on the circulating pipe, the pipeline between the acid medicament tank and the dosing box, the pipeline between the hydrogen peroxide medicament tank and the dosing box, the pipeline between the ferrous sulfate medicament tank and the dosing box and the pipeline between the flocculating agent tank and the dosing box.
Drawings
Fig. 1 is a schematic structural view of the present invention, from a front perspective;
fig. 2 is a schematic structural view of the present invention, from the back side;
FIG. 3 is a partial sectional structural view of the reaction tank of FIG. 1.
In the figure:
1. a water outlet pipe; 2. an overflow pipe; 3. an acid agent tank; 4. a reaction tank; 4-1, a cover plate; 4-2, a tank body; 4-3, a support plate; 4-4, a particle basket; 4-5, conical bottom; 5. exhausting; 6. a reaction tank stirrer; 6-1, a stirring motor; 6-2, stirring impellers; 7. a water injection pipe; 8. a medicine adding box stirrer; 9. a hydrogen peroxide agent canister; 10. a ferrous sulfate medicament tank; 11. a circulation pipe; 12. a hydrogen peroxide dosing pump; 13. a circulation pump; 14. a ferrous sulfate dosing pump; 15. an acid dosing pump; 16. a flocculant tank; 17. a return pipe; 18. a flocculant dosing pump; 19. a dosing box; 20. a discharge pipe.
Detailed Description
For further understanding of the contents, features and effects of the present invention, the following embodiments are described in detail.
Referring to fig. 1 and 2, the high-efficiency fenton fluidized bed reactor of the present invention includes two parallel reaction tanks 4, a dosing tank 19 is further disposed below the reaction tanks 4, and further includes an acid agent tank 3, a hydrogen peroxide agent tank 9, a ferrous sulfate agent tank 10, and a flocculant tank 16.
The reaction tank 4 is used for providing a fluidized bed function and promoting mixing and Fenton reaction between sewage and reagents, the dosing tank 19 is used for adding specific reagents into the sewage, specifically, the reagents comprise a sulfuric acid solution for adjusting the pH value of the sewage, a hydrogen peroxide solution and a ferrous sulfate solution for performing the Fenton reaction, and a flocculant solution for promoting flocculation of components in the sewage, and the various solutions are configured according to process requirements and are added in proportion according to the amount of the sewage during dosing.
As shown in the figure, the two reaction tanks 4 are at the high position, the feed tank 19 is at the low position, and the sewage introduced into the reaction tanks 4 is gravity-fed into the feed tank 19 after the fenton reaction, and is again introduced into the reaction tanks 4 from the feed tank 19 by the circulation line to form a circulation flow, thereby promoting the efficient progress of the fenton reaction.
The two reaction tanks 4 are arranged in parallel and have the following functions: two reaction tanks 4 are made one for one use and one for standby, so that when one reaction tank 4 is out of order or needs to be cleaned and maintained, the current reaction tank 4 can be stopped and the other reaction tank 4 can be put into use. Of course, when the sewage treatment capacity is large, the two reaction tanks 4 can be opened simultaneously, so that the treatment capacity of the Fenton fluidized bed reaction device is improved.
Referring to fig. 3, it can be seen that:
the reaction tank 4 comprises a tank body 4-2, a cover plate 4-1 is arranged at the top of the tank body 4-2, and a conical bottom 4-5 is arranged at the bottom. The inner wall of the tank body 4-2 is provided with a plurality of supporting plates 4-3, particle baskets 4-4 are arranged between the supporting plates 4-3, and particles are arranged in the particle baskets 4-4, so that a particle layer is formed at the middle upper part of the inner cavity of the tank body 4-2 of the reaction tank 4 as shown in the figure, when sewage flows from top to bottom, the particles can leave each other and move in sewage fluid, the movement is more violent as the flow speed is higher, and the particles move in all directions in the bed layer, namely, a solid fluidized state is formed. The Fenton reaction is carried out in the solid fluidized state, so that the reaction rate of the Fenton reaction is improved, and the reaction sufficiency is improved.
Specifically, the support plate 4-3 is a plurality of strip-shaped metal plates which are circumferentially arranged at equal angular intervals, and the outer edges of the metal plates are welded and fixed with the inner wall of the tank 4-2. The inner side edge of the metal plate is in a step shape, the particle baskets 4-4 are made of metal hole plates, the top of each particle basket is open, the bottom of each particle basket is sealed, and the particle baskets 4-4 are placed on the steps of the support plates 4-3 during installation. The particles in the particle basket 4-4 are loaded to the middle upper part (not full) of the inner space of the particle basket 4-4, and a metal orifice plate can be arranged at the top of the particles for pressing, so that the particles are prevented from falling out of the particle basket 4-4 under the scouring action of sewage water flow.
As mentioned above, the inner wall of the tank 4-2 may be provided with an inert coating to prevent the components and chemicals in the sewage from reacting with the material of the tank 4-2, specifically, the tank 4-2 may be a stainless steel tank, and an inert material coating, such as a ceramic coating, a carbon material coating, etc., may be sprayed on the inner wall of the stainless steel tank, and similarly, the surface of the particle basket 4-4 may be provided with the inert material coating, and the inner wall of the dosing tank 19 may be provided with the inert material coating.
In order to monitor the sewage level in the reaction tank 4, an observation window, that is, a liquid level window may be provided on the sidewall of the tank body 4-2 of the reaction tank 4 to reflect the liquid level condition in a straight pipe manner.
In order to further promote the mixing between the sewage and the chemical, stirring means may be provided for the two reaction tanks 4 and the chemical dosing tank 19, and specifically, a reaction tank stirrer 6 is attached to the top of each of the two reaction tanks 4, and a chemical dosing tank stirrer 8 is attached to the chemical dosing tank 19, and both are used to provide a stirring action to the sewage in the reaction tanks 4 and the sewage in the chemical dosing tank 19, respectively, and to increase the mixing and reaction rate between the sewage and the chemical.
As shown in the figure, the reaction tank stirrer 6 comprises a stirring motor 6-1 arranged on a cover plate 4-1, a stirring shaft of the stirring motor 6-1 extends to the middle lower part of the inner cavity of the tank body 4-2, and a stirring impeller 6-2 is arranged at the lower end of the stirring shaft. On the other hand, a vertically penetrating central cylinder is provided in the middle of the particle basket 4-4, and the stirring shaft of the reactor stirrer 6 passes through the central cylinder, that is, the stirring impeller 6-2 is located in the space below the particle basket 4-4.
In the same way, the dosing tank stirrer 8 is also composed of a motor, a stirring shaft and an impeller, the motor is installed and fixed on the top wall of the dosing tank 19, and the stirring shaft and the impeller are located in the inner cavity of the dosing tank 19. As shown in the figure, since the dosing tank 19 is a rectangular parallelepiped box, a plurality of dosing tank stirrers 8 may be provided for the dosing tank 19 in order to ensure a good stirring action at each position of the inner cavity.
Referring to fig. 1 and 2, it can be seen that:
the dosing tank 19 is connected with the two reaction tanks 4 through the circulating pipe 11, the circulating pipe 11 is provided with the circulating pump 13, under the pumping action of the circulating pump 13, sewage in the dosing tank 19 flows upwards through the circulating pipe 11 to enter the two reaction tanks 4 and then flows back from the reaction tanks 4 to enter the dosing tank 19, so that circulating flow is formed, and the Fenton reaction is promoted to be carried out. As shown in FIG. 3, the end of the circulation pipe 11 located in the tank 4-2 is located above the granule basket 4-4, and the sewage flowing circularly flows directly into the granule basket 4-4.
The acid agent tank 3 is connected with the dosing tank 19 through a pipeline, the pipeline is provided with an acid dosing pump 15, the hydrogen peroxide agent tank 9 is connected with the dosing tank 19 through a pipeline, the pipeline is provided with a hydrogen peroxide dosing pump 12, the ferrous sulfate agent tank 10 is connected with the dosing tank 19 through a pipeline, the pipeline is provided with a ferrous sulfate dosing pump 14, the flocculating agent tank 16 is connected with the dosing tank 19 through a pipeline, and the pipeline is provided with a flocculating agent dosing pump 18.
Under the pumping action of the acid dosing pump 15, the sulfuric acid solution in the acid dosing tank 3 enters the dosing tank 19 to be mixed with the sewage. Under the pumping action of the hydrogen peroxide dosing pump 12, the hydrogen peroxide solution in the hydrogen peroxide dosing tank 9 enters the dosing tank 19 to be mixed with the sewage, and under the pumping action of the ferrous sulfate dosing pump 14, the ferrous sulfate solution in the ferrous sulfate dosing tank 10 enters the dosing tank 19 to be mixed with the sewage. Under the pumping action of the flocculant dosing pump 18, the flocculant solution in the flocculant tank 16 enters the dosing tank 19 to be mixed with the sewage.
It should be noted that the acid dosing pump 15 and its dosing pipeline, the hydrogen peroxide dosing pump 12 and its dosing pipeline, the ferrous sulfate dosing pump 14 and its dosing pipeline, and the flocculant dosing pump 18 and its dosing pipeline all use pumps and pipelines matched with the chemicals to avoid the reaction between the chemicals and the pump components and pipelines.
The bottom outlets of the two reaction tanks 4 are connected to the dosing tank 19 via the return pipe 17, and therefore, the sewage in the reaction tanks 4 flows downward via the return pipe 17 and enters the dosing tank 19.
And further includes water injection pipes 7 connected to the tops of the two reaction tanks 4, water outlet pipes 1 connected to the bottoms of the two reaction tanks 4, and exhaust pipes 5 connected to the tops of the two reaction tanks 4. Wherein, the water injection pipe 7 is used for injecting sewage into the reaction tank 4 in an initial state, when the reaction tank 4 needs to be cleaned, clear water can be injected into the tank body 4-2 through the water injection pipe 7, the water outlet pipe 1 is used for discharging the sewage in the reaction tank 4, and when cleaning operation is carried out, the cleaning water in the tank body 4-2 is discharged downwards through the water outlet pipe 1.
The exhaust pipe 5 is for communicating the inner cavity of the reaction tank 4 with the external environment, maintaining the internal pressure approximately equal to the pressure of the external environment, and generating a certain amount of gas when the fenton reaction is performed in the reaction tank 4, and the gas is exhausted through the exhaust pipe 5. It should be noted that, because the gas generated inside usually carries pollutant components (such as volatile components of organic pollutants), the exhaust pipe 5 usually cannot directly discharge the gas into the environment, and the exhaust pipe 5 should be connected to an exhaust gas treatment device to perform absorption, filtration and other treatments on the generated exhaust gas.
In this embodiment, an overflow pipe 2 is further included, and the overflow pipe 2 is connected to the tops of the side walls of the two reaction tanks 4. The overflow pipe 2 is used for automatically overflowing and discharging the sewage in the reaction tank 4 when the sewage reaches a certain liquid level and returning the sewage to a sewage source, so that the Fenton reaction in the reaction tank 4 is prevented from being influenced by the overload of the water in the reaction tank 4.
The dosing tank 19 is provided with a discharge pipe 20, and the discharge pipe 20 is used for discharging the sewage which is added with the flocculant solution in the dosing tank 19 and is uniformly mixed to a sedimentation tank, and after standing, the pollutant components in the sewage are subjected to flocculation sedimentation.
As shown in the drawing, a valve is provided between the circulation pipe 11 and the two reaction tanks 4, a valve is provided between the return pipe 17 and the two reaction tanks 4, a valve is provided between the water injection pipe 7 and the two reaction tanks 4, and a valve is provided between the water outlet pipe 1 and the two reaction tanks 4. Thus, by opening or closing the valves at the corresponding positions, the corresponding pipelines can be opened or closed, and the two reaction tanks 4 can be used one by one or can be put into use at the same time.
Pipeline filters are respectively arranged on the circulating pipe 11, a pipeline between the acid medicament tank 3 and the dosing box 19, a pipeline between the hydrogen peroxide medicament tank 9 and the dosing box 19, a pipeline between the ferrous sulfate medicament tank 10 and the dosing box 19, and a pipeline between the flocculating agent tank 16 and the dosing box 19, and are used for filtering the added medicament solution and filtering out particle impurities contained in the solution.
The working process is as follows:
injecting the prepared sulfuric acid solution into an acid medicament tank 3, injecting the hydrogen peroxide medicament into a hydrogen peroxide medicament tank 9, injecting the ferrous sulfate medicament into a ferrous sulfate medicament tank 10 and injecting the flocculating agent into a flocculating agent tank 16;
injecting sewage into the reaction tank 4 through the water injection pipe 7, observing the amount of the sewage inside through a liquid level window on the reaction tank 4, wherein under normal conditions, the liquid level of the sewage reaches the position below the bottom edge of the particle basket 4-4, and at the moment, the dosing tank 19 is basically filled with the sewage; starting a reaction tank stirrer 6 and a dosing box stirrer 8;
starting the circulating pump 13 to establish the circulating flow of the sewage between the reaction tank 4 and the dosing tank 19; starting an acid dosing pump 15 to inject a sulfuric acid solution with a proper proportion (namely the mass ratio of the sewage to the added medicament) into a dosing tank 19, and adjusting the pH value of the sewage to 3.0-5.0;
after running for a certain time, starting the hydrogen peroxide dosing pump 12 and the ferrous sulfate dosing pump 14, and simultaneously injecting hydrogen peroxide solution and ferrous sulfate solution with proper proportioning into the dosing tank 19; the sewage is kept to circularly flow, in the process of the circular flow, Fenton reaction occurs in the reaction tank 4, and organic matter components in the sewage are oxidized into an inorganic state;
after the reactor is operated for a certain time, the circulating pump 13 is closed, the valve on the return pipe 17 is closed, and the reactor stirrer 6 and the dosing tank stirrer 8 are kept in a continuous operation state; then, starting a flocculating agent dosing pump 18, injecting a flocculating agent solution into a dosing tank 19, opening a valve on a discharge pipe 20 after a certain time, discharging the sewage in the dosing tank 19 to a sedimentation tank for flocculation sedimentation, closing the valve on the discharge pipe 20 and opening a valve on a return pipe 17 when all the sewage in the dosing tank 19 is discharged, so that the sewage in the reaction tank 4 flows into the dosing tank 19 again, and repeating the operation of adding the flocculating agent solution and the operation of discharging the sewage to the sedimentation tank until all the sewage in the reaction tank 4 and the dosing tank 19 is completely discharged; and injecting sewage into the device through the water injection pipe 7 again, and starting the next operation.
Claims (5)
1. The utility model provides a high-efficient fenton fluidized bed reaction unit which characterized by: comprises two reaction tanks (4) which are arranged in parallel, a dosing box (19) is arranged below the reaction tanks (4), and the device also comprises an acid medicament tank (3), a hydrogen peroxide medicament tank (9), a ferrous sulfate medicament tank (10) and a flocculating agent tank (16); the dosing tank (19) is connected with the two reaction tanks (4) through a circulating pipe (11), a circulating pump (13) is arranged on the circulating pipe (11), the acid agent tank (3) is connected with the dosing tank (19) through a pipeline, an acid dosing pump (15) is arranged on the pipeline, the hydrogen peroxide agent tank (9) is connected with the dosing tank (19) through a pipeline, a hydrogen peroxide dosing pump (12) is arranged on the pipeline, the ferrous sulfate agent tank (10) is connected with the dosing tank (19) through a pipeline, a ferrous sulfate dosing pump (14) is arranged on the pipeline, the flocculating agent tank (16) is connected with the dosing tank (19) through a pipeline, and a flocculating agent dosing pump (18) is arranged on the pipeline;
particle baskets (4-4) with particles inside are arranged in the reaction tanks (4), outlets at the bottoms of the two reaction tanks (4) are connected with a dosing tank (19) through a return pipe (17), and the reactor also comprises water injection pipes (7) connected to the tops of the two reaction tanks (4), water outlet pipes (1) connected to the bottoms of the two reaction tanks (4) and exhaust pipes (5) connected to the tops of the two reaction tanks (4); a discharge pipe is installed on the dosing tank (19).
2. A high efficiency fenton fluidized bed reactor as claimed in claim 1 wherein: reaction tank stirrers (6) are arranged at the tops of the two reaction tanks (4), and a dosing tank stirrer (8) is arranged on the dosing tank (19).
3. A high efficiency fenton fluidized bed reactor according to claim 2, wherein: the reaction tank (4) comprises a tank body (4-2), the top of the tank body (4-2) is provided with a cover plate (4-1), and the bottom is provided with a conical bottom (4-5); a plurality of supporting plates (4-3) are arranged on the inner wall of the tank body (4-2), and the particle basket (4-4) is positioned among the supporting plates (4-3); a vertically through central cylinder is arranged in the middle of the particle basket (4-4), and a stirring shaft of a reaction tank stirrer (6) passes through the central cylinder.
4. A high efficiency fenton fluidized bed reactor according to claim 3 wherein: the reactor also comprises an overflow pipe (2), wherein the overflow pipe (2) is connected to the tops of the side walls of the two reaction tanks (4).
5. A high efficiency Fenton fluidized bed reactor according to claim 4, wherein: pipeline filters are respectively arranged on the circulating pipe (11), a pipeline between the acid medicament tank (3) and the dosing box (19), a pipeline between the hydrogen peroxide medicament tank (9) and the dosing box (19), a pipeline between the ferrous sulfate medicament tank (10) and the dosing box (19), and a pipeline between the flocculating agent tank (16) and the dosing box (19).
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114212854A (en) * | 2021-12-27 | 2022-03-22 | 南京信息工程大学 | Automatic device for photo-Fenton oxidation treatment of organic wastewater |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114212854A (en) * | 2021-12-27 | 2022-03-22 | 南京信息工程大学 | Automatic device for photo-Fenton oxidation treatment of organic wastewater |
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