CN110510728A - Fluidizing type catalytic ozonation reactor - Google Patents
Fluidizing type catalytic ozonation reactor Download PDFInfo
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- CN110510728A CN110510728A CN201910871640.2A CN201910871640A CN110510728A CN 110510728 A CN110510728 A CN 110510728A CN 201910871640 A CN201910871640 A CN 201910871640A CN 110510728 A CN110510728 A CN 110510728A
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- water
- guide shell
- reactor
- reactor body
- ozone
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- 230000003197 catalytic effect Effects 0.000 title claims abstract description 21
- 238000006385 ozonation reaction Methods 0.000 title claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 113
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims abstract description 56
- 239000003054 catalyst Substances 0.000 claims abstract description 37
- 239000007788 liquid Substances 0.000 claims abstract description 28
- 238000010992 reflux Methods 0.000 claims description 19
- 238000005273 aeration Methods 0.000 claims description 9
- 239000004744 fabric Substances 0.000 claims description 5
- 238000005260 corrosion Methods 0.000 claims description 3
- 230000007797 corrosion Effects 0.000 claims description 3
- 239000000725 suspension Substances 0.000 claims description 3
- 239000008188 pellet Substances 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 abstract description 8
- 239000007787 solid Substances 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 238000004065 wastewater treatment Methods 0.000 abstract description 3
- 230000035807 sensation Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 28
- 239000002351 wastewater Substances 0.000 description 18
- 230000009471 action Effects 0.000 description 8
- 238000007254 oxidation reaction Methods 0.000 description 6
- 239000000243 solution Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000005416 organic matter Substances 0.000 description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 229910001069 Ti alloy Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002808 molecular sieve Substances 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000006004 Quartz sand Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000004332 deodorization Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- -1 hydroxyl radical free radical Chemical class 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000033116 oxidation-reduction process Effects 0.000 description 1
- 238000010525 oxidative degradation reaction Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/725—Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/78—Details relating to ozone treatment devices
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/78—Details relating to ozone treatment devices
- C02F2201/784—Diffusers or nozzles for ozonation
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The present invention relates to a kind of fluidizing type catalytic ozonation reactors, belong to field of waste water treatment.The reactor includes ozone generator, reactor body, the guide shell being arranged in reactor body inner cavity, solid-liquid gas separating device, distribution device and water-distributing device；Wherein guide shell and recirculation water are circularly set, and including can making reactor, under the collective effect of outer circulation, make it have higher reaction efficiency and impact resistance, guarantee directional stream-guidance of the microbubble ozone in reactor, and can energy saving.The setting of solid-liquid gas separating device extends the ozone microbubble residence time, and can retain catalyst, prevents catalyst loss.Generally speaking, this programme makes to bring about the desired sensation by reasonable topology layout, superior hydrodynamic performance, solid, liquid three is alternate good mass-transfer, it is ensured that catalyst comes into full contact with ozone microbubble, improves ozone utilization rate.
Description
Technical field
The invention belongs to field of waste water treatment, and in particular to a kind of fluidizing type catalytic ozonation reactor.
Background technique
As environmental requirement is increasingly stringent, the importance of wastewater treatment is increasingly prominent, requires to step up to effluent quality.
Ozone has extremely strong oxidability, its oxidation-reduction potential 2.07eV in water.Ozone can aoxidize major part
Inorganic matter and organic matter are used to processing industrial wastewater, can effectively remove the organic matter in waste water, reduce the BOD in waste water
And COD, and have remarkable result to decoloration, deodorization.
When ozone oxidation organic matter, one is ozone direct oxidations, slowly and have obvious selectivity；Another kind is that ozone exists
It is decomposed under the action of catalyst and generates hydroxyl radical free radical, acted on indirectly with Organic substance in water, this reaction is quite fast, and does not have
Selectivity.Ozone is during catalytic oxidation, the problem of there is also catalyst losses, and ozone cannot be abundant with catalyst
Contact, so that the utilization rate of ozone is low.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of fluidizing type catalytic ozonation reactor, it is current to solve
The problem that catalyst loss, catalyst cannot be sufficiently utilized and ozone utilization rate is low.
In order to achieve the above objectives, the invention provides the following technical scheme:
A kind of fluidizing type catalytic ozonation reactor, including ozone generator and reactor body further include that setting exists
Guide shell, solid-liquid gas separating device, distribution device and water-distributing device in reactor body inner cavity；
Solid-liquid gas separating device is arranged in the top of guide shell and is blocked with the top to guide shell, and distribution device setting exists
The bottom of guide shell, guide shell inside are filled with pellet type catalyst；Guide shell and solid-liquid gas separating device, distribution device thereon
With the inner wall of reactor body it is spaced apart with formed guide shell suspension be arranged；The setting of water-distributing device face interval
In the lower section of distribution device；
Reactor body is closed barrel, and the water distributor of water inlet pipe across reactor body and thereon is located at the side of guide shell
Between wall and reactor body, ozone generator is connected by passing through the ozone exhaust pipe of reactor body with distribution device, cloth
Water installations are connected with the reflux water pipe for passing through reactor body, and reflux water pipe upper end is connected in the top of reactor body, reactor
Bodies top is also connected with outlet pipe and exhaust pipe.
Further, the water distributor of water inlet pipe is circumferentially positioned at the sidewall periphery of guide shell, water distribution along guide shell central axis
It is equipped at intervals with several water distribution through-holes on pipe, water distribution through-hole is towards reactor body bottom.
Further, water distribution mouth on reactor body bottom, water-distributing device is arranged towards water conservancy diversion tube inner chamber in water-distributing device.
Further, water-distributing device is the water distributor of arrangement annular in shape.
Further, distribution device is the gas distribution pipe of arrangement annular in shape.
Further, corrosion resistant aeration plate is installed, aeration plate is towards water conservancy diversion tube inner chamber on gas distribution pipe.
Further, reflux water pipe is equipped with reflux water pump.
Further, exhaust pipe is equipped with vent ozone destructor.
Further, reactor body and guide shell are the rounded cylinder of transversal cross-section, the transversal cross-section face of guide shell
Product accounts for the 60%~85% of the lateral cross-sectional area of reactor body；Guide shell bottom and reactor body bottom interval 0.5~
1m, solid-liquid gas separating device top and 1~2m of reactor body head clearance.
Further, reactor body and guide shell are the rounded cylinder of transversal cross-section, guide shell side wall and reactor
The lateral cross-sectional area ratio that transversal cross-section is circular descending area area of section and guide shell is formed by between ontology is
1.5:1~4.5:1.
The beneficial effects of the present invention are:
This programme makes to bring about the desired sensation by reasonable topology layout, superior hydrodynamic performance, solid, liquid three is alternate good biography
Matter, it is ensured that catalyst comes into full contact with ozone microbubble, improves ozone utilization rate.Guide shell and recirculation water are circularly set, and can be made
Including reactor, under the collective effect of outer circulation, higher reaction efficiency and impact resistance are made it have, and energy can be saved
Consumption.The setting of solid-liquid gas separating device extends the ozone microbubble residence time, and can retain catalyst, prevents catalyst loss.
Waste water circulation rate can be improved in the setting of guide shell, and the more effective directional stream-guidance for controlling microbubble ozone in reactor promotes
Waste water-ozone-catalyst mass transfer improves reaction efficiency.
Other advantages, target and feature of the invention will be illustrated in the following description to a certain extent, and
And to a certain extent, based on will be apparent to those skilled in the art to investigating hereafter, Huo Zheke
To be instructed from the practice of the present invention.Target of the invention and other advantages can be realized by following specification and
It obtains.
Detailed description of the invention
To make the objectives, technical solutions, and advantages of the present invention clearer, the present invention is made below in conjunction with attached drawing excellent
The detailed description of choosing, in which:
Fig. 1 is the structural schematic diagram of fluidizing type catalytic ozonation reactor；
Fig. 2 is the Section A-A figure of Fig. 1.
Appended drawing reference:
Ozone generator 1, ozone exhaust pipe 2, reflux water pipe 3, water-distributing device 4, distribution device 5, reflux water pump 6, decline
Area 7, reactor body 8, guide shell 9, catalyst 10, solid-liquid gas separating device 11, recycling effluent mouth 12, outlet pipe 13, tail gas row
Tracheae 14, vent ozone destructor 15.
Specific embodiment
Illustrate embodiments of the present invention below by way of specific specific example, those skilled in the art can be by this specification
Other advantages and efficacy of the present invention can be easily understood for disclosed content.The present invention can also pass through in addition different specific realities
The mode of applying is embodied or practiced, the various details in this specification can also based on different viewpoints and application, without departing from
Various modifications or alterations are carried out under spirit of the invention.It should be noted that diagram provided in following embodiment is only to show
Meaning mode illustrates basic conception of the invention, and in the absence of conflict, the feature in following embodiment and embodiment can phase
Mutually combination.
Wherein, the drawings are for illustrative purposes only and are merely schematic diagrams, rather than pictorial diagram, should not be understood as to this
The limitation of invention；Embodiment in order to better illustrate the present invention, the certain components of attached drawing have omission, zoom in or out, not
Represent the size of actual product；It will be understood by those skilled in the art that certain known features and its explanation may be omitted and be in attached drawing
It is understood that.
The same or similar label correspond to the same or similar components in the attached drawing of the embodiment of the present invention；It is retouched in of the invention
In stating, it is to be understood that if there is the orientation or positional relationship of the instructions such as term " on ", "lower", "left", "right", "front", "rear"
To be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description of the present invention and simplification of the description, rather than indicate or
It implies that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore is described in attached drawing
The term of positional relationship only for illustration, is not considered as limiting the invention, for the ordinary skill of this field
For personnel, the concrete meaning of above-mentioned term can be understood as the case may be.
FIG. 1 to FIG. 2 is please referred to, is a kind of fluidizing type catalytic ozonation reactor, including ozone generator 1 and reactor
Ontology 8 further includes the guide shell 9 being arranged in 8 inner cavity of reactor body, solid-liquid gas separating device 11, distribution device 5 and water distribution
Device 4.
Solid-liquid gas separating device 11 is the top that guide shell 9 is arranged in, by solid-liquid gas separating device 11 to 9 top of guide shell
Closure prevents catalyst loss, and distribution device 5 is arranged in the bottom of guide shell 9, is filled with particulate catalytic inside guide shell 9
Agent；Guide shell 9 and solid-liquid gas separating device 11, distribution device 5 thereon are spaced apart with the inner wall of reactor body 8
To form the suspension setting of guide shell 9；4 face of water-distributing device is arranged at intervals on the lower section of distribution device 5.
Reactor body 8 is closed barrel, and the water distributor of water inlet pipe across reactor body 8 and thereon is located at guide shell 9
Side wall and reactor body 8 between, ozone generator 1 pass through pass through reactor body ozone exhaust pipe 2 and distribution device 5
It is connected, water-distributing device 4 is connected with the reflux water pipe 3 for passing through reactor body, and reflux 3 upper end of water pipe is connected in reactor body 8
Top, reactor body top are also connected with outlet pipe 13 and exhaust pipe 14.
In the reactor, it is suspended in the guide shell 9 inside reactor body 8 and reactor body 8 is separated into two regions,
It wherein, is gas (ozone) in guide shell, the rising area of solid (catalyst), liquid (water flow), under solution (water flow) outside guide shell 9
Area 7 drops.Specifically, water inlet pipe accesses to the region between reactor body and guide shell side wall from the top of reactor body 8
Interior, water inlet water flow flows to the bottom of reactor body from top to bottom, that is, forms the descending area of water flow, and the cloth being arranged below
Device of air 5 and corresponding gas distribution and the water distribution into guide shell 9 of water-distributing device 4, under the action of distribution device and water-distributing device,
Catalyst, water flow and ozone in guide shell 9 move upwards, that is, form the rising area of gas, solid, liquid.
Under the action of each section, water flow can be divided into recirculation water, interior recirculated water, waste water and clean water, wherein waste water is logical
It crosses water inlet pipe and accesses to descending area 7, under the water after reacting in guide shell is gone successively to by 11 a part of solid-liquid gas separating device
Area is dropped as interior recirculated water, to dilute waste water, a part is discharged as clean water by outlet pipe, it is a part of then as recirculation water
Enter water-distributing device by reflux water pipe 3.Water-distributing device receives recirculation water, interior recirculated water and waste water, recirculation water and interior circulation
Water can be diluted waste water, be sent into guide shell and catalyst and ozonization finally by the jet-action of water-distributing device.
The setting of inner-outer circulation flowing ensure that entire reaction process has superior hydrodynamic performance, and gas, solid, liquid three-phase can be made good
Good mass transfer, it is ensured that catalyst comes into full contact with ozone microbubble, improves ozone utilization rate.Meanwhile guide shell 9 is by reactor sheet
Body 8 is separated into the setting in two regions so that the sectional area in each region is smaller, not only makes it have higher reaction efficiency and anti-
Impact capacity more reduces power, has saved energy consumption.
Distribution device herein may make ozone to shed with micron-sized bubble form, guarantee itself and the water inside guide shell
Stream comes into full contact with, and catalyst is in fluidized state then under mixing wastewater with air hydraulic action always, and this greatly improves catalyst
With the adequacy of ozone and waste water, and then treatment effeciency is improved.Solid-liquid gas separating device 11 at the top of guide shell is set
Catalyst loss can be prevented with effectively catching catalyst.
Quartz sand, brick slag, steel slag, active carbon, molecular sieve or aluminium oxide can be selected in the catalyst 10 being seated in guide shell 9
One of, active constituent is selected from the combination of one or more of oxides of transition metal such as Mn, Fe, Cu.
As a further improvement of the foregoing solution, the water distributor on water inlet pipe is circumferentially positioned at along 9 central axis of guide shell
The sidewall periphery of guide shell, i.e. water distributor are the structure type of helix, and multiple water distribution through-holes are equipped at intervals on water distributor, and
Water distribution through-hole is towards 8 bottom of reactor body.Water distribution can make waste water enter descending area in the form of multichannel in this way, thus under inflow
Recirculated water in drop area is sufficiently mixed dilution, and then improves the adequacy contacted between catalyst, ozone, improves processing effect
Rate.
In 8 bottom of reactor body, water-distributing device 4 is the perforation cloth of arrangement annular in shape for the above-mentioned setting of water-distributing device 4
Water pipe, water distribution mouth thereon will be discharged (recirculation water, interior recirculated water and waste water) and spray into guide shell towards 9 inner cavity of guide shell
It is interior, so that water outlet even water distribution in guide shell 9.It is to be noted that the water distribution mouth bore on perforation water distributor is less than
Catalyst particle size.
Above-mentioned distribution device 5 is the gas distribution pipe of arrangement annular in shape.Corrosion resistant aeration plate is installed on gas distribution pipe, it can
Titanium alloy aeration plate is selected, aeration plate is towards water conservancy diversion tube inner chamber, with as spraying into ozone microbubble in guide shell, which dissipates
Ozone microbubble diameter out is in 30~100um.
As a further improvement of the foregoing solution, reflux water pipe 3 is equipped with reflux water pump 6, and it is dynamic to provide reflux for recirculation water
Power.
As a further improvement of the foregoing solution, exhaust pipe 14 is equipped with vent ozone destructor 15, and unreacted is complete
Full ozone layer destroying decomposes.
Preferably, reactor body 8 and guide shell 9 are the rounded cylinder of transversal cross-section, the transversal cross-section of guide shell
Area SDAccount for the lateral cross-sectional area A of reactor bodyF60%~85%；Guide shell bottom and reactor body bottom interval
0.5~1m, solid-liquid gas separating device top and 1~2m of reactor body head clearance.Also or, guide shell side wall and reactor sheet
It is circular descending area area of section S that transversal cross-section is formed by between bodyXWith the lateral cross-sectional area S of guide shellDThan for
1.5:1~4.5:1；Wherein AF=SX+AF.It can get preferably effect in this way.
The cyclic process and action principle of the reactor are as follows:
The ozone that ozone generator 1 generates accesses distribution device 5 by ozone exhaust pipe 2, and distribution device 5 sheds micron
The bubble of grade.Waste water accesses descending area 7 by water inlet pipe, and the water distributor on water inlet pipe is annular in shape to be arranged in 9 surrounding of guide shell, cloth
Water pipe uses perforated pipe, and water distribution through-hole is towards reactor body bottom.Waste water is mixed with the interior recirculated water that guide shell comes out, then into
Enter guide shell.Recirculation water accesses the water-distributing device 4 of reactor body bottom, water-distributing device by reflux water pump 6 and the water pipe 3 that flows back
4 also use perforated pipe, are arranged in guide shell lower part with form of annular rings, outer circulation water (recirculation water) may make to be evenly distributed in this way
In guide shell.
Under gas-liquid mixed hydraulic action, catalyst is in fluidized state, promotes waste water-ozone-catalyst mass transfer, smelly
Oxygen microbubble comes into full contact with catalyst 10, under the catalytic action of catalyst, oxidizing substance is generated, in oxidative degradation waste water
Organic matter.After ozone-waste water-catalyst rises in guide shell, under the action of solid-liquid gas separating device 11: catalyst returns
It flows in guide shell；Effluent part and ozone bubbles enter descending area, the circular response in reactor body；After oxidation reaction,
The outlet pipe 13 of the reacted device body upper part of part clean water is discharged；Part water outlet is discharged through reflux water pipe 3, then through water circulating pump
6 pressurizations, are back in reactor body and react again.Other gases generated in unreacted ozone and reaction process are anti-by being located at
It answers the exhaust pipe 14 of device bodies top to drain into vent ozone destructor 15, after the decomposition of vent ozone destructor 15, is discharged into atmosphere.
Embodiment 1
The gas that ozone generator 1 generates accesses distribution device 5 by ozone exhaust pipe 2, the gas distribution pipe on distribution device
It is annular in shape to be arranged in guide shell lower part, titanium alloy aeration plate is installed on gas distribution pipe, aeration plate disperses the bubble of 30~50um out.
The recirculation water flowed out from the recycling effluent mouth 12 at the top of reactor body enters water-distributing device 4, water-distributing device by reflux water pipe 3
4 are arranged in 5 lower part of distribution device using perforated pipe annular shape, will be discharged and be uniformly distributed in guide shell 9, water-distributing device 4
Upward, orifice diameter is 8~10mm to water outlet.Guide shell 9 is located at the lumen centers of reactor body 8, the transverse direction of guide shell
Sectional area accounts for the 64% of the lateral cross-sectional area of reactor body 8, and guide shell bottom is away from reactor body bottom 0.6m, guide shell top
Portion is away from 1.5m at the top of reactor body.Molecular sieve catalyst is loaded in guide shell, under gas-liquid mixed hydraulic action, catalyst is in
Fluidized state.Waste water mixes in reactor with ozone microbubble, catalyst, and oxidation reaction occurs.After reacting, through water conservancy diversion
The solid-liquid gas separating device 11 on cylinder top acts on, and catalyst is back in guide shell, the unreacted ozone in part and guide shell water outlet
It is recycled to descending area, is mixed with waste water to be processed, is entered back into and oxidation reaction occurs in guide shell.Waste water to be processed passes through water inlet
Pipe accesses the descending area 7 of reactor body 8, and the water distributor of water inlet pipe is annularly arranged in 9 periphery of guide shell, and water distributor is used and worn
Kong Guan, hole mouth down.Clean water after reaction is partially discharged by outlet pipe 13, and outlet pipe is located at reactor body upper portion side wall；
Part is discharged by recycling effluent mouth 12, is pressurizeed through water circulating pump 6, is reacted again in circulating reflux to reactor body.Reactor sheet
Unreacted ozone is discharged into vent ozone destructor 15 by the exhaust pipe 14 at the top of body, is discharged into atmosphere after destructor decomposes.
Finally, it is stated that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although referring to compared with
Good embodiment describes the invention in detail, those skilled in the art should understand that, it can be to skill of the invention
Art scheme is modified or replaced equivalently, and without departing from the objective and range of the technical program, should all be covered in the present invention
Scope of the claims in.
Claims (10)
1. a kind of fluidizing type catalytic ozonation reactor, including ozone generator and reactor body, it is characterised in that: also wrap
Include the guide shell being arranged in reactor body inner cavity, solid-liquid gas separating device, distribution device and water-distributing device；
Solid-liquid gas separating device is arranged in the top of guide shell and is blocked with the top to guide shell, and distribution device is arranged in water conservancy diversion
The bottom of cylinder, guide shell inside are filled with pellet type catalyst；Guide shell and solid-liquid gas separating device thereon, distribution device with
The suspension setting spaced apart to form guide shell of the inner wall of reactor body；Water-distributing device face is arranged at intervals on cloth
The lower section of device of air；
Reactor body is closed barrel, water inlet pipe passes through reactor body and water distributor thereon be located at guide shell side wall and
Between reactor body, ozone generator is connected by passing through the ozone exhaust pipe of reactor body with distribution device, water distribution dress
It sets and is connected with the reflux water pipe for passing through reactor body, reflux water pipe upper end is connected in the top of reactor body, reactor body
Top is also connected with outlet pipe and exhaust pipe.
2. fluidizing type catalytic ozonation reactor according to claim 1, it is characterised in that: the water distributor edge of water inlet pipe
Guide shell central axis is circumferentially positioned at the sidewall periphery of guide shell, several water distribution through-holes, water distribution are equipped at intervals on water distributor
Through-hole is towards reactor body bottom.
3. fluidizing type catalytic ozonation reactor according to claim 1, it is characterised in that: water-distributing device is arranged anti-
Device body bottom portion is answered, the water distribution mouth on water-distributing device is towards water conservancy diversion tube inner chamber.
4. fluidizing type catalytic ozonation reactor according to claim 3, it is characterised in that: water-distributing device is in annulus
The water distributor of shape arrangement.
5. fluidizing type catalytic ozonation reactor according to claim 1, it is characterised in that: distribution device is in annulus
The gas distribution pipe of shape arrangement.
6. fluidizing type catalytic ozonation reactor according to claim 5, it is characterised in that: be equipped on gas distribution pipe resistance to
The aeration plate of corrosion, aeration plate is towards water conservancy diversion tube inner chamber.
7. fluidizing type catalytic ozonation reactor according to claim 1, it is characterised in that: reflux water pipe is equipped with back
Flowing water pump.
8. fluidizing type catalytic ozonation reactor according to claim 1, it is characterised in that: exhaust pipe is equipped with
Vent ozone destructor.
9. any fluidizing type catalytic ozonation reactor according to claim 1~8, it is characterised in that: reactor sheet
Body and guide shell are the rounded cylinder of transversal cross-section, and the lateral cross-sectional area of guide shell accounts for the transversal cross-section of reactor body
The 60%~85% of area；Guide shell bottom and 0.5~1m of reactor body bottom interval, at the top of solid-liquid gas separating device with react
Device bodies top 1~2m of interval.
10. any fluidizing type catalytic ozonation reactor according to claim 1~8, it is characterised in that: reactor sheet
Body and guide shell are the rounded cylinder of transversal cross-section, are formed by transversal cross-section between guide shell side wall and reactor body
Lateral cross-sectional area ratio for circular descending area area of section and guide shell is 1.5:1~4.5:1.
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| CN114940552A (en) * | 2022-06-28 | 2022-08-26 | 电子科技大学中山学院 | Countercurrent aeration internal circulation coupling precipitation separation ozone oxidation reactor |
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