CN107619099A - Internal-circulation type Fenton reactor - Google Patents
Internal-circulation type Fenton reactor Download PDFInfo
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- CN107619099A CN107619099A CN201710966981.9A CN201710966981A CN107619099A CN 107619099 A CN107619099 A CN 107619099A CN 201710966981 A CN201710966981 A CN 201710966981A CN 107619099 A CN107619099 A CN 107619099A
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 246
- 238000003756 stirring Methods 0.000 claims abstract description 106
- 206010001497 Agitation Diseases 0.000 claims abstract description 87
- 238000013019 agitation Methods 0.000 claims abstract description 87
- 239000010865 sewage Substances 0.000 claims abstract description 54
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 29
- 238000004062 sedimentation Methods 0.000 claims abstract description 8
- 238000004891 communication Methods 0.000 claims description 7
- 239000002245 particle Substances 0.000 description 34
- 230000000694 effects Effects 0.000 description 10
- 239000003814 drug Substances 0.000 description 7
- 230000008021 deposition Effects 0.000 description 6
- 239000007789 gas Substances 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 230000005484 gravity Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000004065 wastewater treatment Methods 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 239000011261 inert gas Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- 239000013589 supplement Substances 0.000 description 3
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 238000006555 catalytic reaction Methods 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 239000010842 industrial wastewater Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229910001448 ferrous ion Inorganic materials 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 238000005243 fluidization Methods 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000010517 secondary reaction Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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Abstract
The present invention provides a kind of internal-circulation type Fenton reactor, including once stirring and evenly mixing reaction tank, secondary agitation mixes reaction tank, sedimentation basin and effluent weir, once stir and evenly mix reaction tank connection water inlet, this, which is once stirred and evenly mixed in reaction tank, is provided with the first agitating device, secondary agitation mixes in reaction tank and is provided with the second agitating device, reaction tank is once stirred and evenly mixed to connect by least two connected entrances with secondary agitation mixing reaction tank, and first agitating device and the second agitating device steering it is opposite, sewage is set to circulate once stirring and evenly mixing between reaction tank and secondary agitation mix reaction tank.When the reactor is run, two agitating devices turn to opposite, two reaction tanks are effectively connected as an entirety by least two connected entrances, it is achieved thereby that sewage circulating in two reaction tanks, reaction compartment and the time of sewage are effectively increased, substantially increases the sewage treatment capacity and reaction efficiency of reactor.
Description
Technical field
The invention belongs to field of waste water treatment, and in particular to a kind of internal-circulation type Fenton reactor.
Background technology
As environmental requirement is increasingly strict, the importance of Industrial Wastewater Treatment increasingly highlights.Fenton reactor is as processing
A kind of visual plant of waste water, using more and more extensive in Industrial Wastewater Treatment.
Fenton reactor produces the superpower hydroxyl free of oxidisability by the use of ferrous ion as catalyst, catalysis hydrogen peroxide
Base, it can be used to handle many used water difficult to degradate without most of organic matters in the oxidized waste water of selection.In Fenton reactor
Active particle is added, caused iron cement in Fenton's reaction can be crystallized to the iron cement on filler surface, on the one hand reducing reaction
Yield, heterogeneous catalytic reaction point position on the other hand is provided for Fenton's reaction, improve catalyst use efficiency, reduce wastewater treatment
Expense.
When water process is carried out in Fenton reactor, it is often desirable that fully contact and mix between raw water, medicament and active particle
Close.Mixing is more uniform, and water treatment efficiency is higher, and operation is also more stable.At present, traditional Fenton reactor is generally by setting cloth
Water installations realize raw water, medicament being uniformly distributed in the reactor.And realized by external circulating system active in reactor
The fluidisation of particle, so as to realize the abundant contact of raw water, medicament, active particle, to improve original sub-block effect.In Practical Project
In practice, to improve the sewage treatment capacity of device need to increase the diameter of reactor, and increase the recycle stream of external circulating system
Amount.And restricted by field condition, raw water generally enters from reactor side, and for large-diameter cylinder body, water-distributing device is generally difficult to
Raw water being uniformly distributed in the reactor is realized, phenomena such as short stream, channel, dead band easily occurs;Simultaneously as external circulating system
Presence, cause partial flocculation thing to block circulation line and cloth water-bound in outer loop process, and as external circulating system follows
The increase of circulation, its energy consumption also dramatically increase.
The content of the invention
The deficiencies in the prior art in view of the above, it is an object of the invention to provide a kind of internal-circulation type Fenton's reaction
Device, improve the sewage treatment capacity and reaction efficiency of reactor.
In order to achieve the above objects and other related objects, technical solution of the present invention is as follows:
A kind of internal-circulation type Fenton reactor, including reaction tank, sedimentation basin and effluent weir, the reaction tank include once stirring
Mix and mix reaction tank and secondary agitation mixing reaction tank, described once to stir and evenly mix reaction tank connection water inlet, this is once stirred
Mixing and the first agitating device is provided with reaction tank, secondary agitation mixes and the second agitating device is provided with reaction tank, and described one
It is secondary stir and evenly mix reaction tank and secondary agitation and mix reaction tank connected by least two connected entrances, and the first agitating device and the
The steering of two agitating devices is on the contrary, make sewage once stir and evenly mix recycle stream between reaction tank and secondary agitation mixing reaction tank
Dynamic, the sedimentation basin is located at secondary agitation and mixed above reaction tank, is connected with effluent weir.
The present invention, when the reactor is run, control once stirs and evenly mixs reaction tank with being stirred in secondary agitation mixing reaction tank
Device is mixed to turn on the contrary, making once to stir and evenly mix sewage a part of connected entrance inflow secondary agitation mixing therefrom in reaction tank
Reaction tank, the sewage that secondary agitation is mixed in reaction tank flows into from another part connected entrance once stirs and evenly mixs reaction tank, by two
Reaction tank is effectively connected as an entirety, it is achieved thereby that sewage is once stirring and evenly mixing reaction tank and secondary agitation mixing instead
Ying Chizhong's circulates, and two reaction tanks enter to stir and evenly mix respectively, effectively increases reaction compartment and the time of sewage,
Substantially increase the sewage treatment capacity and reaction efficiency for adding reactor.
Further, the reaction tank that once stirs and evenly mixs is located at secondary agitation mixing reaction tank side, described at least two
Connected entrance is in arrangement up and down or left and right arrangement.
Further, it is described once stir and evenly mix reaction tank and secondary agitation and mix reaction tank be arranged side by side, and pass through baffle plate
Separate, the baffle plate top and bottom are respectively equipped with opening, described once to stir and evenly mix reaction tank bottom and secondary agitation mixing
By the open communication of lower section, sewage edge, which once stirs and evenly mixs reaction tank bottom and flows into secondary agitation and mix, reacts for reaction tank bottom
Chi Zhong, once stirs and evenly mixs reaction tank top and secondary agitation mixes open communication of the reaction tank by top.
Using said structure, under agitating device effect, two are flowed into because sewage edge once stirs and evenly mixs reaction tank bottom
It is secondary to stir and evenly mix in reaction tank, it can effectively prevent active particle from mixing stirring efficiency in the deposition of two reaction tank bottoms, raising.
Further, the secondary agitation mixes in reaction tank and is provided with guide shell above the second agitating device.It is logical
Cross and guide shell is set above agitating device, raw water is smoothly entered in precipitation reaction pond.
Further, the secondary agitation mixes reaction tank bottom surface and once stirs and evenly mixs reaction tank bottom surface and tilted to be continuous
Face, and once stir and evenly mix reaction tank bottom surface and mix reaction tank bottom surface less than secondary agitation.
Inclined bottom surface enables particle to be moved down under gravity along inclined-plane, and is once stirred and evenly mixed by sewage edge
The mobilization force that reaction tank bottom flows into secondary agitation mixing reaction tank gets up particle from bottom belt, and particle can be prevented in bottom
Deposition.
Further, described once stir and evenly mix is provided with air distribution plate at the low level of reaction tank bottom, once stirs and evenly mixs reaction
Steam vent is provided with the top of pond.
Because particle can be concentrated to lower under gravity, there is gas distribution at the low level for once stirring and evenly mixing reaction tank
Plate, is passed through inert gas and can will be moved to the particle of lower and raise up, and can effectively prevent accumulation of the particle in reaction tank bottom,
And the stirring intensity for once stirring and evenly mixing reaction tank can be increased.
Further, it is described once stir and evenly mix reaction tank top and secondary agitation and mix reaction tank be provided with charge door, one
The secondary relatively low position in reaction tank bottom that stirs and evenly mixs is provided with sewage draining exit.Periodically discharged by sewage draining exit deactivated particle and
Flocculate, and active particle is supplemented by charge door on reaction tank, it is ensured that reaction tank endoparticle activity, realize the company of reactor
Reforwarding row.
Further, it is described once stir and evenly mix reaction tank and secondary agitation and mix reaction tank be provided with charge door, described one
Secondary reaction tank bottom and the secondary agitation mixing reaction tank bottom of stirring and evenly mixing is provided with sewage draining exit.
Further, reaction tank bottom and the secondary agitation mixing reaction tank bottom of once stirring and evenly mixing is flat or had
Jog, and air distribution plate is provided with, once stir and evenly mix reaction tank and secondary agitation mixes and is provided with steam vent at the top of reaction tank.
Further, the height of the secondary agitation mixing reaction tank once stirs and evenly mixs reaction tank higher than described.Due to one
It is secondary to stir and evenly mix reaction tank mainly as mixing and pre-process, therefore can be slightly smaller, reduce reactor cost.
The beneficial effects of the present invention are:
1st, by controlling once, secondary agitation mix the steering of agitating paddle in reaction tank, and set between two reaction tanks
Connected entrance at least two, two reaction tanks are effectively connected as an entirety, sewage is once being stirred and evenly mixed reaction tank and two
It is secondary to stir and evenly mix circulating in reaction tank, substantially increase the sewage treatment capacity and efficiency of reaction tank.
2nd, raw water, medicament, the mixing of active particle, reaction are realized by mechanical agitation;Therefore complexity is no longer needed
External circulating system and water-distributing device, fundamentally solve water distribution inequality existing for traditional Fenton fluidized reactor, easily block
Deng technical barrier.
3rd, by once stirring and evenly mixing close to the position of sewage draining exit setting air distribution plate at reaction tank low level, and it is passed through gas
It can effectively prevent particle in the deposition of reactor bottom, it is ensured that active particle is in fluidized state in pond.And it can increase once
Stir and evenly mix the stirring intensity of reaction tank.
4th, sewage draining exit is set in reaction tank bottom, charge door is provided with the top of reaction tank, can blowdown in time and supplement work
Property particle, ensure reaction tank endoparticle activity, realize the continuous operation of reactor.
Brief description of the drawings
Fig. 1 is the structural representation of the preferred embodiment of the present invention.
Piece mark explanation
1- once stirs and evenly mixs reaction tank;2- water inlets;3- dosing mouths;4- charge doors;5- sewage draining exits;6- air distribution plates;7-
First agitating device;8- steam vents;9- baffle plates;10- secondary agitations mix reaction tank;The agitating devices of 11- second;12- sedimentation basins;
13- guide shells;14- charge doors;15- effluent weirs;16- delivery ports.
Embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation
Content disclosed by book understands other advantages and effect of the present invention easily.
Embodiment
As shown in figure 1, a kind of internal-circulation type Fenton reactor, including reaction tank, water inlet 2, dosing mouth 3, sedimentation basin 12,
Effluent weir 15 and delivery port 16, wherein, reaction tank includes once stirring and evenly mixing reaction tank 1 and secondary agitation mixes reaction tank 10,
Once stir and evenly mix reaction tank 1 to connect by least two connected entrances with secondary agitation mixing reaction tank 10, and form recycle stream
;Water inlet 2 and dosing mouth are connected with once stirring and evenly mixing reaction tank 1, once stir and evenly mix and first is provided with reaction tank 1 stirs
Device 7 is mixed, secondary agitation mixes and the second agitating device 11 is provided with reaction tank 10, and the first agitating device 7 and the second stirring
The steering of device 11 is on the contrary, make sewage once stir and evenly mix recycle stream between reaction tank 1 and secondary agitation mixing reaction tank 10
Dynamic, sedimentation basin 12 is located at secondary agitation and mixes the top of reaction tank 10, is connected with effluent weir 15, effluent weir 15 connects delivery port 16.
When the reactor is run, control once stirs and evenly mixs reaction tank 1 and filled with stirring in secondary agitation mixing reaction tank 10
Put turn on the contrary, make once to stir and evenly mix sewage in reaction tank 1 therefrom a part of connected entrance flow into secondary agitation mix it is anti-
Pond 10 is answered, the sewage that secondary agitation is mixed in reaction tank 10 flows into from another part connected entrance once stirs and evenly mixs reaction tank 1, will
Two reaction tanks are effectively connected as an entirety, it is achieved thereby that sewage is mixed with secondary agitation once stirring and evenly mixing reaction tank 1
Circulating in even reaction tank 10, and two reaction tanks enter to stir and evenly mix respectively, effectively increase the reaction compartment of sewage
And the time, substantially increase the sewage treatment capacity and reaction efficiency for adding reactor.
Wherein, once stir and evenly mix reaction tank 1 and be mainly used in raw water, medicament, effective mixing of active particle and raw water
Initial reaction, to reduce the concentration for entering raw water in secondary agitation homogeneous reaction pond 10, mitigate secondary agitation and mix reaction tank 10
Live load;Secondary agitation mix reaction tank 10 be mainly used in by once stir and evenly mix 1 reacted raw water of reaction tank,
Active particle carries out effectively mixing and further reaction, so as to realize the final process to sewage.
Raw water, medicament, the mixing of active particle, reaction are realized by mechanical agitation;Therefore the outer of complexity is no longer needed
The circulatory system and water-distributing device, fundamentally solve water distribution inequality existing for traditional Fenton fluidized reactor, easily block etc.
Technical barrier.
Wherein the first agitating device 7 and the second agitating device 11 include rotating shaft and the agitating paddle in rotating shaft, turn
Axle is installed in rotation on reaction tank bottom, and sealing structure is set between reaction tank bottom.Driven and rotated by actuating unit.
To ensure that raw water smoothly can enter in precipitation reaction pond, secondary agitation mixes in reaction tank 10 and is provided with guide shell
13.Guide shell 13 is located at the top of the second agitating device 11, is the columnar structured of upper and lower opening.Precipitation reaction pond position is circle
Structure.
The side of reaction tank 10 is mixed preferably, once stirring and evenly mixing reaction tank 1 and being located at secondary agitation, described at least two
Connected entrance is in arrangement up and down or left and right arrangement.
Two reaction tanks can use a variety of mode of communicating, and by taking two connected entrances as an example, two connected entrances use to be distributed up and down
Or left and right distribution mode.Reaction tank 1 is once stirred and evenly mixed with the sewage in secondary agitation mixing reaction tank 10 using a left side to enter
The right side goes out, and the right side is entered a left side and gone out, upper entering and lower leaving, the mode of bottom in and top out.Sewage as once stirred and evenly mixed reaction tank 1 it is left (under) connected entrance
Flow into secondary agitation and mix reaction tank 10, secondary agitation mix sewage in reaction tank 10 by it is right (on) connected entrance flows into and once stirs
Mix and mix reaction tank 1, vice versa.
In this example preferably, it is described once stir and evenly mix reaction tank 1 and secondary agitation and mix reaction tank 10 be arranged side by side,
And separated by baffle plate 9, the top of baffle plate 9 and bottom are respectively equipped with opening, once stir and evenly mix the bottom of reaction tank 1 and secondary agitation
Open communication of the bottom of reaction tank 10 by lower section is mixed, the top of reaction tank 1 is once stirred and evenly mixed and secondary agitation mixes reaction
The open communication that pond 10 passes through top.Sewage flows into secondary agitation mixing reaction tank 10 along the bottom of reaction tank 1 is once stirred and evenly mixed
In, and mix to return in reaction tank 10 from secondary agitation by the top of baffle plate 9 and once stir and evenly mix in reaction tank 1.So as to realize
Sewage is once stirring and evenly mixing reaction tank 1 and secondary agitation mixes circulating in reaction tank 10, because sewage is along once
Stir and evenly mix the bottom of reaction tank 1 to flow into secondary agitation mixing reaction tank 10, can effectively prevent active particle in two reaction tanks
The deposition of bottom, improve and mix stirring efficiency.Once stir and evenly mix reaction tank 1 and mix stirring dress in reaction tank 10 with secondary agitation
Put the steering of agitating paddle on the contrary, streamflow regime as shown by the arrows in Figure 1.
In one embodiment, the secondary agitation mixes the bottom surface of reaction tank 10 and once stirs and evenly mixs the bottom of reaction tank 1
Face is inclined plane, and is connected to form the inclined plane being continuously gradually increasing.The bottom surface of reaction tank 1 is wherein once stirred and evenly mixed to be less than
Secondary agitation mixes the bottom surface of reaction tank 10.
Inclined bottom surface enables particle to be moved down under gravity along inclined-plane, and under the effect of the first agitating device 7
By impulsive force of the sewage along the flowing for once stirring and evenly mixing the bottom of reaction tank 1 to secondary agitation and mixing reaction tank 10 by particle from
Bottom is raised up, and particle can be prevented in the deposition of bottom.
As preferable scheme, the top of reaction tank 1 and the secondary agitation mixing upper part of reaction tank 10 are once being stirred and evenly mixed
Charge door 4 and charge door 14 are not provided with, are once stirred and evenly mixed the relatively low position in the bottom of reaction tank 1 and are provided with sewage draining exit 5.Pass through
Sewage draining exit 5 periodically discharges deactivated particle and flocculate, and supplements activity by charge door on reaction tank 4 and charge door 14
Particle, it is ensured that reaction tank endoparticle activity, realize the continuous operation of reactor.
Further preferred scheme is to be provided with air distribution plate 6 once stirring and evenly mixing the bottom of reaction tank 1, and once stirring is mixed
The even top of reaction tank 1 is provided with steam vent 8.
Specifically, air distribution plate 6 is arranged at the low level for once stirring and evenly mixing reaction tank 1, i.e., along the minimum position of ramped bottom surface
Put.And air distribution plate 6 is close to the sewage draining exit 5.
Because particle can be concentrated to lower under gravity, there is gas distribution at the low level for once stirring and evenly mixing reaction tank 1
Plate 6, is passed through inert gas and can will be moved to the particle of lower and raise up, and can effectively prevent particle in the heap of reaction tank bottom
Product, and the stirring intensity for once stirring and evenly mixing reaction tank 1 can be increased.
To be cost-effective, in this example, the height that secondary agitation mixes reaction tank 10 once stirs and evenly mixs reaction higher than described
Pond 1., therefore can be somewhat shorter due to once stirring and evenly mixing reaction tank 1 mainly as mixing and pretreatment, reduce reactor into
This.
In one embodiment, once stir and evenly mix reaction tank 1 and secondary agitation mix reaction tank 10 be it is flat,
Bottom surface sets air distribution plate, and top sets steam vent.Two reaction tank bottoms set sewage draining exit, and top sets the He of charge door 4 respectively
Charge door 14.
In one embodiment, once stir and evenly mix reaction tank 1 and secondary agitation mixes reaction tank 10 with convex
That rises is used to install the installation base of agitating device;Two reaction tank bottom surfaces set air distribution plate less than the position of installation base, and two
Steam vent is set at the top of individual reaction tank.Two reaction tank tops are respectively arranged with charge door 4 and charge door 14, and bottom is positioned at stirring
Sewage draining exit is provided with below device.
The present invention, once stir and evenly mix between reaction tank 1 and secondary agitation mixing reaction tank 10 by baffle plate top and bottom
Open communication, both agitating devices turn to opposite so that the water in reactor enters from the bottom of reaction tank 1 is once stirred and evenly mixed
Secondary agitation is mixed in reaction tank 10, and is returned to once stirring from secondary agitation mixing reaction tank 10 by baffle plate open top and mixed
In even reaction tank 1;It is achieved thereby that circulation of the sewage in once stirring and evenly mixing reaction tank 1 and mixing reaction tank 10 with secondary agitation
Flowing, reaction compartment and the time of sewage are effectively increased, substantially increase the sewage treatment capacity that adds reactor and anti-
Answer efficiency.Simultaneously as sewage is flowed into secondary agitation mixing reaction tank 10 along the bottom of reaction tank 1 is once stirred and evenly mixed, can have
Effect prevents active particle in the deposition of reaction tank bottom.Meanwhile it is provided with cloth near the sewage draining exit of reaction tank 1 once stirring and evenly mixing
Gas plate, accumulation of the particle in reactor bottom can effectively be prevented by being passed through inert gas, and can be increased and once be stirred and evenly mixed reaction tank 1
Stirring intensity.In addition, steam vent is provided with once stirring and evenly mixing the top of reaction tank 1, for discharging the gas in reactor.
The present invention mainly realizes raw water, medicament, the mixing of active particle, reaction by churned mechanically mode;Therefore no longer need
Complicated external circulating system and water-distributing device, fundamentally solve water distribution inequality existing for traditional Fenton fluidized reactor, hold
The easily technical barrier such as blocking.Meanwhile the present invention stirs and evenly mixs multiple reaction tank and effectively connected, greatly strengthen reactor
Sewage treatment capacity and reaction efficiency.In less space, larger sewage treatment capacity can be achieved.Determined by sewage draining exit
Phase discharges deactivated particle and flocculate, and supplements active particle by charge door on reaction tank, it is ensured that in reaction tank
Seed activity, realize the continuous operation of reactor.
Any person skilled in the art can all be carried out under the spirit and scope without prejudice to the present invention to above-described embodiment
Modifications and changes.Therefore, such as those of ordinary skill in the art without departing from disclosed spirit with
All equivalent modifications completed under technological thought or change, it should be covered by the claim of the present invention.
Claims (10)
1. a kind of internal-circulation type Fenton reactor, including reaction tank, sedimentation basin and effluent weir, it is characterised in that:The reaction tank
Reaction tank is mixed including once stirring and evenly mixing reaction tank and secondary agitation, it is described once to stir and evenly mix reaction tank connection water inlet,
This, which is once stirred and evenly mixed in reaction tank, is provided with the first agitating device, and secondary agitation, which mixes, is provided with the second stirring dress in reaction tank
Put, the reaction tank that once stirs and evenly mixs is connected with secondary agitation mixing reaction tank by least two connected entrances, and first stirs
The steering of device and the second agitating device is mixed on the contrary, making sewage once stir and evenly mix reaction tank and secondary agitation mixing reaction tank
Between circulate, the sedimentation basin be located at secondary agitation mix reaction tank above, be connected with effluent weir.
2. internal-circulation type Fenton reactor according to claim 1, it is characterised in that:It is described once to stir and evenly mix reaction tank
Reaction tank side is mixed positioned at secondary agitation, at least two connected entrances are in arrangement up and down or left and right arrangement.
3. internal-circulation type Fenton reactor according to claim 1, it is characterised in that:It is described once to stir and evenly mix reaction tank
Reaction tank is mixed with secondary agitation to be arranged side by side, and is separated by baffle plate, and the baffle plate top and bottom are respectively equipped with opening, institute
State and once stir and evenly mix reaction tank bottom and secondary agitation mixing open communication of the reaction tank bottom by lower section, sewage is along once
Stir and evenly mix reaction tank bottom to flow into secondary agitation mixing reaction tank, once stir and evenly mix reaction tank top and secondary agitation mixes
The open communication that even reaction tank passes through top.
4. internal-circulation type Fenton reactor according to claim 1, it is characterised in that:The secondary agitation mixes reaction tank
Inside it is located above the second agitating device and is provided with guide shell.
5. internal-circulation type Fenton reactor according to claim 3, it is characterised in that:The secondary agitation mixes reaction tank
Bottom surface and once to stir and evenly mix reaction tank bottom surface be continuous inclined plane, and once stir and evenly mix reaction tank bottom surface and stirred less than secondary
Mix and mix reaction tank bottom surface.
6. internal-circulation type Fenton reactor according to claim 5, it is characterised in that:It is described once to stir and evenly mix reaction tank
Air distribution plate is provided with the low level of bottom, once stirs and evenly mixs and is provided with steam vent at the top of reaction tank.
7. internal-circulation type Fenton reactor according to claim 5, it is characterised in that:It is described once to stir and evenly mix reaction tank
Reaction tank top is mixed with secondary agitation and is respectively arranged with charge door, is once stirred and evenly mixed the relatively low position in reaction tank bottom and is set
There is sewage draining exit.
8. internal-circulation type Fenton reactor according to claim 1, it is characterised in that:It is described once to stir and evenly mix reaction tank
Reaction tank, which is mixed, with secondary agitation is provided with charge door, it is described once to stir and evenly mix reaction tank bottom and secondary agitation mixing reaction
Bottom of pond portion is provided with sewage draining exit.
9. internal-circulation type Fenton reactor according to claim 8, it is characterised in that:It is described once to stir and evenly mix reaction tank
Bottom and secondary agitation mix reaction tank bottom and are flat or have jog, and are provided with air distribution plate, once stir and evenly mix anti-
Ying Chi and secondary agitation mix and are provided with steam vent at the top of reaction tank.
10. internal-circulation type Fenton reactor according to claim 1, it is characterised in that:The secondary agitation mixes reaction
The height in pond once stirs and evenly mixs reaction tank higher than described.
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CN206502646U (en) * | 2016-11-22 | 2017-09-19 | 山西宝晟源机电设备有限公司 | Efficient micro-electrolysis reactor |
CN207391088U (en) * | 2017-10-17 | 2018-05-22 | 中冶赛迪技术研究中心有限公司 | Internal-circulation type Fenton reactor |
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