A kind of Fenton oxidation reaction tower apparatus
Technical field
The utility model is related to a kind of Fenton oxidations to react tower apparatus, belong to technical field of sewage.
Background technology
With the continuous propulsion of process of industrialization, the wastewater discharge containing high concentration bio-refractory organic pollution
Increased with swifter and more violent speed, the type of high concentrated organic wastewater pollutant is on the increase, and intractability is also continuously increased, work
The presence of a large amount of metal ions and surfactant, limits the use of bioanalysis in industry waste water.In contrast, the advanced oxygen of chemistry
Change method processing industrial wastewater solves the deficiency of other techniques, under the present art, Fenton to a certain extent(It is fragrant
)Method is increasingly becoming the prefered method of processing hardly degraded organic substance, in sewage treatment field quilt as a kind of high-level oxidation technology
Recalcitrant chemicals in sewage can be effectively treated in extensive use, this technology, improve effluent index.
Fenton oxidation, basic principle are to generate the hydroxyl radical free radical (OH) with strong oxidizing property by chemically reacting
Oxygenolysis organic pollution.Hydroxyl radical free radical (OH) can be with simultaneous oxidation gas chromatography, selection strong with degradation capability
Property it is low, reaction rate is fast, infrastructure and it is easy to operate, reagent is non-toxic, be easy to control, investment it is smaller the features such as.But it is existing
With the presence of traditional Fenton's reaction device is of high cost, dioxygen water use efficiency is not high, iron containing sludge yield is big, easily causes secondary pollution
The problems such as, in order to improve the utilization rate of Fenton oxidation reaction, it would be highly desirable to be improved to Fenton oxidation reaction tower apparatus.
Utility model content
To solve the deficiencies in the prior art, the purpose of this utility model is to provide a kind of Fenton oxidations to react tower apparatus,
The efficient utilization for realizing hydrogen peroxide, reduces the generation of iron cement, water treatment efficiency is optimized while cost-effective.
In order to realize above-mentioned target, the utility model adopts the following technical scheme:
A kind of Fenton oxidation reaction tower apparatus, includes the reacting tank body that bottom is equipped with supporting leg, under the reacting tank body includes
The intersection of the inlet segment in portion and the conversion zone on top, the inlet segment and conversion zone is provided with aerator, the aerator by
Several concentric circles endless tubes are constituted, and solarization air cap is formed on the concentric circles endless tube;Water inlet is connected on the side wall of the inlet segment
It is provided with evacuation port on ring tube, bottom wall, cock body is provided at the evacuation port, is formed with into water on the water inlet ring tube
Hole;The conversion zone is from top to bottom disposed with hydrogen peroxide uniform device, ferrous sulfate uniform device and sulfuric acid uniform device, described double
It is provided with water outlet baffle plate above oxygen water uniform device, the first water outlet, the water outlet baffle plate top are formed in the water outlet baffle plate
One sawtooth weir is set, and sawtooth weir end is provided with the second water outlet.
Preferably, aforementioned number of legs is three, utilizes the stability of gusseted principle, it is ensured that reaction tower consolidates
Property.
More preferably, previous reaction section be cylindrical structure, the inlet segment be inverted cone structure, the conversion zone with
Inlet segment is an integral structure.
It is highly preferred that aforementioned aerator is made of 3 concentric circles endless tubes, the donut bottom of the tube has been evenly distributed
Several to solarization air cap, each pair of solarization air cap is alternately distributed in bottom centerline both sides and is radially oliquely downward arranged, and perpendicular
Histogram is to structure angle at 45 °, and a diameter of 4 ~ 6mm of solarization air cap, such structure setting can ensure equably air inlet, with dirt
Water mixing carries out subsequent reactions.
More preferably, aforementioned water inlet ring tube is monocycle, and it is several right that the water inlet annulus bottom of the tube has been equally distributed
Inlet opening, each pair of inlet opening is alternately distributed in bottom centerline both sides and is radially oliquely downward arranged, with vertical direction
Structure angle at 45 °, a diameter of 4 ~ 6mm in inlet opening, pending sewage enter from inlet opening inside reaction tower, it is ensured that
It is even, gently intake.
It is further preferred that aforementioned hydrogen peroxide uniform device, ferrous sulfate uniform device are identical with the structure of sulfuric acid uniform device,
" rice " font structure is constituted by 4 cloth tubes, 5 pairs of cloth holes are both provided on every cloth tube, medicament can be made equably to divide
Cloth can make medicament and sewage be uniformly mixed, fully react in reacting tank body in the state of not stirring, reduce equipment at
This, and improve medicament utilization rate.
It is highly preferred that pH meter and thermometer are provided between aforementioned sulfuric acid uniform device and concentric circles aeration tube, to reacting item
Part is monitored in real time, and reaction condition is adjusted in combination with reaction requirement.
Still further preferably, aforementioned water outlet baffle plate is in conical structure, and first water outlet is close to conical structure
Sawtooth weir is arranged in the bottom of side above water outlet baffle plate, is conducive to the sewage after reaction and is uniformly and stably discharged.
It is further preferred that previous reaction tank body is made of carbon steel liner tetrafluoro material, the water inlet ring tube, dioxygen
Water uniform device, ferrous sulfate uniform device, sulfuric acid uniform device and aerator are made of PP materials, can be assigned to the optimization of material
The corrosion resistant performance of the better strong alkali-acid resistance of device.
The utility model has done traditional Fenton oxidation method and has significantly improved, and solves of high cost, medicine in traditional handicraft
Agent utilization rate is not high, iron containing sludge yield is big, easily causes secondary pollution problems.The device design science of the utility model, cloth
Water cloth medicine is uniform, ingenious to utilize air floating principle, does not need additionaling power and is stirred, and saves operation power charge, reduces and set
Standby cost, reduces hydrogen peroxide decomposition caused by vigorous agitation, reduces dioxygen water consumption, and due to utilizing air aeration,
Oxygen in air is full of in sewage, is had certain inhibiting effect at oxygen to decomposing hydrogen dioxide solution, is further reduced double
The decomposition of oxygen water substantially increases hydrogen peroxide and generates hydroxyl radical free radical(OH conversion) improves dioxygen water use efficiency.
The utility model is beneficial in that:
(1)Using the uniform device of " rice " font, every discharge nozzle is equipped with symmetrically to be divided the reaction tower apparatus of the utility model
5 pairs of discharge holes of cloth have the advantages that uniform cloth, medicament utilization rate height, without stirring;
(2)Using concentric circles aerator, aeration agitation strength is small, in the case where ensureing that medicament is uniformly mixed, reduces
The decomposition rate of hydrogen peroxide, and the oxygen in air inhibits the decomposition reaction of hydrogen peroxide, is conducive to hydroxyl radical free radical (OH)
Generation, improve the utilization rate of hydrogen peroxide, to reduce the usage amount of ferrous sulfate, reduce the generation of iron cement;
(3)Apparatus structure is ingenious in design to be rationally stirred without additionaling power, and operating cost has been saved, and is reduced double
Oxygen water decomposition caused by vigorous agitation reduces dioxygen water consumption, has superior treatment effect;
(4)Inlet segment bottom is provided with evacuation port, can will empty, be convenient for inside reacting tank body when running the when of breaking down
Maintenance.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of Fenton oxidation reaction tower apparatus of the utility model;
Fig. 2 is the partial enlargement structural representation of Fig. 1;
Fig. 3 is the structural schematic diagram of the uniform device in Fig. 1;
Fig. 4 is the structural schematic diagram of the aerator in Fig. 1;
Fig. 5 is the A1-A1 schematic cross-sections of the aerator in Fig. 4;
Fig. 6 is the A2-A2 schematic cross-sections of the aerator in Fig. 4;
Fig. 7 is the structural schematic diagram of the water inlet ring tube in Fig. 1;
Fig. 8 is the B1-B1 schematic cross-sections of the water inlet ring tube in Fig. 7;
Fig. 9 is the B2-B2 schematic cross-sections of the water inlet ring tube in Fig. 7.
The meaning of reference numeral in figure:1, reacting tank body, 2, supporting leg, 3, water inlet ring tube, 31, inlet opening, 4, hydrogen peroxide
Uniform device, 5, ferrous sulfate uniform device, 6, sulfuric acid uniform device, 7, aerator, 71, concentric circles endless tube, 72, solarization air cap, 8, second
Water outlet, 9, water outlet baffle plate, the 91, first water outlet, 10, sawtooth weir, 11, evacuation port, 12, cloth hole.
Specific implementation mode
Specific introduce is made to the utility model below in conjunction with the drawings and specific embodiments.
In the description of the present invention, it should be understood that term "center", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate
Or imply that signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore cannot understand
For limitations of the present invention.In addition, term " first ", " second " are used for description purposes only, and should not be understood as instruction or
Imply relative importance.
Referring to Fig. 1, the Fenton oxidation of the utility model reacts tower apparatus, including bottom is equipped with the reacting tank body 1 of supporting leg 2,
2 quantity of supporting leg is preferably three, the ingenious stability using gusseted principle, it is ensured that the stability of reaction tower.Reacting tank body 1
The conversion zone of inlet segment and top including lower part, wherein conversion zone is cylindrical structure, and inlet segment is inverted cone structure,
And conversion zone is an integral structure with inlet segment.
Connect monocyclic shown in Fig. 7 water inlet ring tube 3 on the side wall of inlet segment, pending sewage is from water inlet annulus
The inlet opening 31 of pipe 3 enters inside reacting tank body 1, several to be distributed at inlet opening 31 into the bottom of water ring tube 3,
Each pair of inlet opening 31 is alternately distributed in bottom centerline both sides and is radially oliquely downward arranged, as shown in Figure 8 and Figure 9
One of a pair of of inlet opening 31 respectively, with vertical direction structure angle at 45 °, 31 a diameter of 4 ~ 6mm of inlet opening, rationally
Cleverly structure setting can ensure uniformly, gently intake, the inside of reacting tank body 1 to be avoided excessive turbulent water occur.
The intersection of inlet segment and conversion zone is provided with aerator 7, as shown in figure 4, the aerator 7 is by 3 concentric circles
Endless tube 71 is constituted, and certainly, according to unit type and size, can flexibly increase or reduce the quantity of concentric circles endless tube 71.
Solarization air cap 72 is formed on concentric circles endless tube 71, the set-up mode of solarization air cap 72 is similar to inlet opening 31, several to solarization air cap 72
It is evenly distributed in 71 bottom of concentric circles endless tube, each pair of solarization air cap 72 is alternately distributed in bottom centerline both sides and radially
Oliquely downward it is arranged, as shown in Figure 5 and Figure 6 is one of a pair of of inlet opening 31 respectively, at 45 ° with vertical direction structure
Angle, 72 a diameter of 4 ~ 6mm of solarization air cap, such structure setting can ensure equably air inlet, the effect floated using air,
Subsequent reactions are carried out after being sufficiently mixed with sewage again, greatly optimize wastewater treatment efficiency.
As shown in Figure 1, conversion zone is from top to bottom disposed with hydrogen peroxide uniform device 4, ferrous sulfate uniform device 5 and sulfuric acid
Uniform device 6 is respectively used to three kinds of uniformly distributed hydrogen peroxide, ferrous sulfate and sulfuric acid medicaments as its name suggests.The structure phase of three uniform devices
Together, all it is to constitute " rice " font structure by 4 cloth tubes, specifically as shown in figure 3, being both provided with 5 pairs of clothes on every cloth tube
Hole 12 makes medicament be more evenly distributed in retort using diffusion and the vertical foam shallow in aerator 7 of medicament
In body 1, medicament can be made to be uniformly mixed with sewage, fully react in the state of not stirring, reduce equipment cost, and improve
Medicament utilization rate.In reaction process, the temperature and pH value of controlling reaction solution can make reaction condition reach best, in view of
This, installs pH meter and thermometer on 1 inner wall of reacting tank body between sulfuric acid uniform device 6 and concentric circles aeration tube, to reacting item
Part is monitored in real time, and reaction condition is adjusted in combination with reaction requirement.
Processed sewage flows out at the top of reaction tower, and water outlet baffle plate 9 is provided with above hydrogen peroxide uniform device 4, is discharged
The first water outlet 91 is formed on baffle 9, water outlet baffle plate 9 is in conical structure, as shown in Fig. 2, the first water outlet 91 is close to circle
The bottom of cone structure side.A sawtooth weir 10 is also set up above water outlet baffle plate 9,10 end of sawtooth weir is provided with the second water outlet
Mouth 8 is conducive to the sewage after reaction and is uniformly and stably discharged, rationally controls out water speed in this way.
In order to extend the service life of system, reacting tank body 1 is made of carbon steel liner tetrafluoro material, water inlet ring tube 3, double
Oxygen water uniform device 4, ferrous sulfate uniform device 5, sulfuric acid uniform device 6 and aerator 7 are made of PP materials, and it is better to assign device
The corrosion resistant performance of strong alkali-acid resistance, anti-aging and good physical properties.
As further improvement of this embodiment, reaction tower is overhauled for convenience, is additionally provided on the bottom wall of inlet segment
Evacuation port 11 is provided with cock body at evacuation port 11, and cock body can be pulled out when running the when of breaking down, will 1 inside emptying of reacting tank body,
Maintenance easy to repair.
To sum up, the reaction tower apparatus design science of the utility model, cloth water cloth medicine is uniform, ingenious former using air floating
Reason, does not need additionaling power and is stirred, and saves operation power charge, reduces equipment cost, reduces hydrogen peroxide because vigorous agitation is made
At decomposition, reduce dioxygen water consumption, and due to utilizing air aeration, the oxygen in air is full of in sewage, to double
Oxygen water, which resolves into oxygen, has certain inhibiting effect, further reduces the decomposition of hydrogen peroxide, substantially increases dioxygen aquatic products
Raw hydroxyl radical free radical(OH conversion) improves dioxygen water use efficiency, to reduce the usage amount of ferrous sulfate, reduces
The generation of iron cement optimizes Fenton oxidation water treatment efficiency.
The basic principles and main features and advantage of the utility model have been shown and described above.The technical staff of the industry
It should be appreciated that above-described embodiment does not limit the utility model in any form, it is all by the way of equivalent substitution or equivalent transformation
The technical solution obtained, all falls in the scope of protection of the utility model.