CN110002576A - A kind of catalytic ozonation reactor and its sewage water treatment method - Google Patents
A kind of catalytic ozonation reactor and its sewage water treatment method Download PDFInfo
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- CN110002576A CN110002576A CN201910336272.1A CN201910336272A CN110002576A CN 110002576 A CN110002576 A CN 110002576A CN 201910336272 A CN201910336272 A CN 201910336272A CN 110002576 A CN110002576 A CN 110002576A
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- ozone
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- catalyst layer
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 95
- 230000003197 catalytic effect Effects 0.000 title claims abstract description 37
- 238000006385 ozonation reaction Methods 0.000 title claims abstract description 29
- 239000010865 sewage Substances 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 title claims abstract description 11
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims abstract description 124
- 239000003054 catalyst Substances 0.000 claims abstract description 76
- 239000002351 wastewater Substances 0.000 claims abstract description 61
- 238000005273 aeration Methods 0.000 claims abstract description 51
- 238000007599 discharging Methods 0.000 claims abstract description 42
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000010453 quartz Substances 0.000 claims abstract description 12
- 238000006243 chemical reaction Methods 0.000 claims abstract description 6
- 238000007254 oxidation reaction Methods 0.000 claims description 24
- 239000003344 environmental pollutant Substances 0.000 claims description 20
- 231100000719 pollutant Toxicity 0.000 claims description 20
- 239000002808 molecular sieve Substances 0.000 claims description 14
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical group [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims description 14
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 10
- 239000002893 slag Substances 0.000 claims description 6
- 230000000903 blocking effect Effects 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 claims description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 239000006004 Quartz sand Substances 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 230000009471 action Effects 0.000 claims description 3
- 239000011449 brick Substances 0.000 claims description 3
- 239000000470 constituent Substances 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 229910052748 manganese Inorganic materials 0.000 claims description 3
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims description 3
- 229910052753 mercury Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 229910000314 transition metal oxide Inorganic materials 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 2
- 230000002195 synergetic effect Effects 0.000 abstract description 5
- 238000012545 processing Methods 0.000 abstract description 4
- 238000011001 backwashing Methods 0.000 abstract description 3
- 230000003647 oxidation Effects 0.000 description 16
- 230000000694 effects Effects 0.000 description 13
- 239000007789 gas Substances 0.000 description 8
- 238000006555 catalytic reaction Methods 0.000 description 6
- 239000005416 organic matter Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000007800 oxidant agent Substances 0.000 description 4
- 230000001590 oxidative effect Effects 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 229910018162 SeO2 Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 description 1
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000002153 concerted effect Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 238000004332 deodorization Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- VASIZKWUTCETSD-UHFFFAOYSA-N manganese(II) oxide Inorganic materials [Mn]=O VASIZKWUTCETSD-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- JPJALAQPGMAKDF-UHFFFAOYSA-N selenium dioxide Chemical compound O=[Se]=O JPJALAQPGMAKDF-UHFFFAOYSA-N 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
- 239000003403 water pollutant Substances 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
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
-
- 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
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
-
- 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
- C02F2201/782—Ozone generators
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
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)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
- Physical Water Treatments (AREA)
Abstract
The invention belongs to technical field of waste water processing, it is related to a kind of catalytic ozonation reactor and its sewage water treatment method, waste water to be processed enters microbubble generator to be mixed with the ozone that ozone generator generates, quartz burner is set gradually in reactor body from top to bottom, aeration plate, catalyst layer and water-distributing device, the second ozone exhaust pipe and the first ozone exhaust pipe are separately connected between ozone generator and aeration plate and microbubble generator, microbubble generator is connect with water-distributing device by water inlet pipe, backwash water inlet pipe is also connected on water-distributing device, the connection of reactor body top is respectively with water discharging valve and the drainpipe for backwashing water discharging valve, the tail gas discharging pipe of connecting band vent ozone destructor at the top of reactor body, the catalytic ozonation reactor passes through reasonable topology layout, so that ozone is shed with micro-bubble, it is filled with waste water Tap touching, and multi-point adding, improve ozone utilization rate and reaction efficiency under the catalytic action of catalyst and the synergistic effect of ultraviolet light.
Description
Technical field
The invention belongs to technical field of waste water processing, it is related to a kind of catalytic ozonation reactor and its sewage treatment side
Method.
Background technique
As the increasingly raising and environmental requirement of national environmental standard are increasingly stringent, the importance of wastewater treatment is increasingly convex
It is aobvious, processed waste water effluent quality is required to step up.Ozone has extremely strong oxidability, its redox in water
Current potential 2.07eV.Ozone can aoxidize most of inorganic matter and organic matter, be used to processing industrial wastewater, can effectively remove in waste water
Organic matter, reduce waste water in BOD and COD, and to decoloration, deodorization have remarkable result.When ozone direct oxidation organic matter, one
Kind is ozone direct oxidation, and the oxidation process is slow and has obvious selectivity；Another kind is to generate hydroxyl after ozone is catalytically decomposed
Base free radical is acted on Organic substance in water indirectly, this reaction is quite fast, and without selectivity.Both ozone oxidations are smelly
Oxygen catalysis oxidation is due to its high treating effect, easy to operate and obtained faster development, no matter ozone oxidation or ozone catalytic
Oxidation has industrialization case running.
Ozone is mainly passed through dirt by the way of perforated pipe or micro-pore aeration at present by ozone oxidation or catalytic ozonation
In water, since to form bubble in sewage larger for ozone, and dissolution rate is lower, outlet tail gas low so as to cause ozone utilization rate
Middle ozone content is more.
Dirt is carried out to improve ozone utilization rate and sewage treating efficiency, the mode for generalling use catalytic ozonation at present
Water process.Catalytic ozonation has been successfully applied to advanced treatment of wastewater, reusing sewage, the pretreatment of high concentration difficulty biochemical sewage etc.
Aspect, ozone utilization rate and the more independent ozone oxidation of sewage treating efficiency improve a lot.However current catalytic ozonation
Research be concentrated mainly on catalyst research and development aspect, have developed different carriers and load different activities component catalyst, such as with
Active carbon, activated alumina, molecular sieve etc. are carrier, and load MnO, CuO, ZnO, TiO2, CeO2, SeO2 etc. up to more than ten is living
Property component, carry out the catalyst developed of various combination；The catalyst application range developed is different, and treatment effect respectively has difference
It is different.Research Emphasis is placed on exploitation effective catalyst to improve ozone utilization rate and sewage treating efficiency by current each research institution
On, and few ozone utilization rate and sewage treating efficiencies of being improved by studying, designing and developing high efficiency reactor.It grinds at present
The reactor studied carefully and applied is mainly two kinds, first is that sewage ozone co-flow, pass through reaction from bottom to top by reactor bottom
Catalytic oxidation occurs for device catalyst bed；Another kind be sewage ozone reverse flow, sewage from top to bottom, ozone under
And it is upper by reactor catalyst bed, catalytic oxidation occurs.
Summary of the invention
In view of this, the present invention seldom improves ozone utilization rate by exploitation high efficiency reactor to solve the prior art
And the problem of sewage treating efficiency, a kind of catalytic ozonation reactor and its sewage water treatment method are provided.
In order to achieve the above objectives, the present invention provides a kind of catalytic ozonation reactor, from left to right successively includes pipeline
Ozone generator, microbubble generator, reactor body and the vent ozone destructor of connection, waste water to be processed enter microbubble
Device is mixed with the ozone that ozone generator generates, be disposed with from top to bottom in reactor body quartz burner, aeration plate,
Catalyst layer and water-distributing device, are connected with the second ozone exhaust pipe between ozone generator and aeration plate, ozone generator with it is micro-
Be connected between bubble generator the first ozone exhaust pipe, microbubble generator and water-distributing device by with water inlet valve into
Water pipe connection, is also connected with the backwash water inlet pipe with back flush valves on water-distributing device, and reactor body top is connected with point
The not drainpipe with water discharging valve and backwash water discharging valve, reactor body top are connected with tail gas discharging pipe, exhaust emissions
The end of pipe is connected with vent ozone destructor.
The beneficial effect of this base case is: ozone generator is used to generate ozone, and microbubble generator is used for wait locate
Reason waste water be sufficiently mixed with ozone, the catalyst in reactor body inner catalyst layer for catalysis ozone progress oxidation reaction into
And the pollutant in waste water is decomposed into removal.Ultraviolet light, the aeration plate of quartz burner generation disperse ozone out and play collaboration
In catalyst layer in ozone Decomposition Wastewater pollutant effect.Backwash water inlet pipe with back flush valves is drained with backwash
The drainpipe coordinated of valve plays the role of cleaning catalyst layer in reactor body, prevents catalyst layer from blocking.
Further, catalyst layer with a thickness of the 1/2~2/3 of reactor body, the aeration plate is located at catalyst layer top
0.5~1.0m of portion, aeration plate are uniformly distributed in reactor body.The utility model has the advantages that aeration plate is evenly distributed on reactor body
At the top of interior catalyst, the effect that the ozone of aeration plate outflow is evenly dispersed is played.
Further, backwash water inlet pipe is communicated with water inlet pipe and is opened respectively by back flush valves and water inlet valve control
It closes.The utility model has the advantages that backwash water inlet pipe is communicated with the water inlet pipe of reactor, pass through control back flush valves and water inlet valve
It opens, plays the role of being respectively washed reactor body and microbubble generator.
Further, water-distributing device is close to body bottom portion, and water-distributing device is using strainer head, short-handled filter head or perforation water distributing plate
One of.The utility model has the advantages that strainer head, short-handled filter head or perforation water distributing plate help to disperse the waste water of ozone uniformly from down toward
On into the catalyst layer of reactor body.
Further, ultraviolet lamp tube is uniformly mounted on reactor body inner wall and is located above aeration plate at 0.3~1m, purple
Outside line fluorescent tube uses low pressure mercury lamp.The utility model has the advantages that wavelength is the ultraviolet catalyzed better effect of 250~280nm.
Further, reactor body top connects a drainpipe, on drainpipe perforation connection respectively band water discharging valve and
Backwash two drainpipe branches of water discharging valve.The utility model has the advantages that by control water discharging valve and backwashing opening for water discharging valve
The trend for opening control draining, facilitates and collects respectively.
Further, the catalyst in catalyst layer is molecular sieve catalyst, and catalyst selects quartz sand, brick slag, steel slag, work
Property one of charcoal, molecular sieve or aluminium oxide, active constituent is selected from one or more of Mn, Fe, Cu transition metal oxide
Combination.The utility model has the advantages that molecular sieve catalyst can play the best catalytic effect of catalyst.
Further, aeration plate use microporous aeration disc or micro-nano generator, aeration plate disperse bubble diameter 30 out~
100um.The utility model has the advantages that aeration plate, which disperses micro bubbles out, can be uniformly dispersed in synergistic oxidation waste water in reactor body
Middle pollutant improves the discomposing effect of Pollutants in Wastewater.
A kind of sewage water treatment method based on catalytic ozonation reactor, comprising the following steps:
A, the ozone one generated to microbubble generator, ozone generator is added in waste water to be processed after booster pump is pressurized
Part enters microbubble generator along the first ozone exhaust pipe, and another part enters aeration plate along the second ozone exhaust pipe,
After waste water to be processed mixes in microbubble generator with ozone, ozone is dissolved in waste water with the micro-bubble of 30~100um, is beaten
It drives aqueduct valve into, closes back flush valves, the waste water after dissolved ozone enters catalyst layer along water-distributing device, in catalyst
Catalytic ozonation reaction occurs in layer under the action of molecular sieve catalyst, removes the pollutant in waste water；
B, disperse the waste water that ozone out is also dissolved in catalyst layer in the form of the micro-bubble of 30~100um from aeration plate
In, while the pollutant on aeration plate in the ultraviolet light co-treating wastewater of the generation of quartz burner, so that being polluted in waste water
Object sufficiently occurs oxidation reaction and degrades；
C, open the water discharging valve of drainpipe branch road, close backwash water discharging valve, remove the waste water of pollutant along
Drainpipe branch discharge with water discharging valve is collected, and the ozone of oxidation reaction does not occur along the tail at the top of reactor body
Gas delivery pipe is discharged into atmosphere after entering vent ozone destructor；
D, it after reactor body is run 6~7 days, for the blocking of anti-catalyst layer, needs to carry out catalyst layer backwash, catalysis
When oxidant layer backwash, close water inlet valve and water discharging valve, open back flush valves and backwash water discharging valve, from backwash into
Water pipe pours clean water, and the drainpipe branch with backwash water discharging valve collects waste water after cleaning.
The beneficial effects of the present invention are:
1, catalytic ozonation reactor disclosed in this invention, by the way that reasonable topology layout is arranged so that ozone with
The microbubble of 30~100um of diameter enters in reactor body, improves residence time of the ozone in waste water；Waste water is by catalysis
Oxidant layer is dissolved in the microbubble ozone in waste water under the catalytic action of catalyst, generates more oxidizing substance degrading waste waters
In pollutant；After catalyst layer aoxidizes, the organic matter of undegradable organic matter or non-complete oxidation disperses through aeration plate
The synergistic effect of microbubble ozone and ultraviolet light out, is further removed, and is launched ozone by multiple spot, is increased in waste water
The time of contact of pollutant and ozone improves the oxidation efficiency of ozone, solves the problems, such as that ozone utilization rate is low in the prior art.
2, catalytic ozonation reactor disclosed in this invention, rationally, the ozone that ozone generator generates is divided to two for design
Secondary addition makes full use of the ozone dissolved in waste water and aeration plate to disperse ozone out into reactor body, and contains ozone
Waste water transmit from bottom to up, the ozone in aeration plate transmits from top to bottom, and ozone in the waste water profit reduction and reserving time is long, treatment effect
It is good, the deep reaction of useless ozone in water, more traditional catalyst oxidation reactor are improved, ozone utilization rate improves 30%, can
For fields such as the advanced treating of sewage, wastewater ocean disposal and high concentration difficulty biochemical sewage pretreatments.
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 catalytic ozonation reactor of the present invention.
Appended drawing reference: ozone generator 1, the first ozone exhaust pipe 2, the second ozone exhaust pipe 3, microbubble generator 4, into
Water pipe 5, water inlet valve 6, water-distributing device 7, back flush valves 8, backwash water inlet pipe 9, reactor body 10, catalyst layer
11, aeration plate 12, quartz burner 13, drainpipe 14, water discharging valve 15, backwash water discharging valve 16, tail gas discharging pipe 17, tail
Gas destructor 18.
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.
A kind of catalytic ozonation reactor as shown in Figure 1 from left to right successively includes the ozone generation of pipeline connection
Device 1, microbubble generator 4, reactor body 10 and vent ozone destructor 18, reactor body 10 are closed cylinder precursor reactant
Device, waste water to be processed enters microbubble generator 4 to be mixed with the ozone that ozone generator 1 generates, from upper in reactor body 10
Quartz burner 13, aeration plate 12, catalyst layer 11 and water-distributing device 7 are disposed under, ultraviolet lamp tube is uniformly mounted on
On 10 inner wall of reactor body and it is located at 12 0.3~1m of top of aeration plate, quartz burner 13 uses low pressure mercury lamp, ultraviolet light
Effective wavelength be 250~280nm.Wavelength is the ultraviolet catalyzed better effect of 250~280nm.The thickness of catalyst layer 11
It is the 1/2~2/3 of reactor body 10, the catalyst in catalyst layer 11 is molecular sieve catalyst, the hole of molecular sieve catalyst
Diameter is 2~8mm, and catalyst selects one of quartz sand, brick slag, steel slag, active carbon, molecular sieve or aluminium oxide, active constituent
It is combined selected from one or more of Mn, Fe, Cu transition metal oxide.Aperture is that the molecular sieve catalyst of 2~8mm can be sent out
Wave the best catalytic effect of catalyst.Aeration plate 12 is located at 0.5~1.0m at the top of catalyst layer, and aeration plate 12 is in reactor body
It is uniformly distributed in 10.Aeration plate 12 is evenly distributed in reactor body 10 at the top of catalyst, plays and flows out aeration plate 12
The evenly dispersed effect of ozone.Aeration plate 12 uses microporous aeration disc or micro-nano generator, and the bubble for dividing aeration plate to shed is straight
30~100um of diameter.Aeration plate 12 disperses micro bubbles out, and can be uniformly dispersed in reactor body 10 synergistic oxidation useless
Water pollutant improves the discomposing effect of Pollutants in Wastewater.Water-distributing device 7 uses long handle close to body bottom portion, water-distributing device 7
One of filter, short-handled filter head or perforation water distributing plate.Strainer head, short-handled filter head or perforation water distributing plate help to disperse ozone
Waste water uniformly from bottom to up into reactor body 10 catalyst layer in.
The second ozone exhaust pipe 3 is connected between ozone generator 1 and aeration plate 12, ozone generator 1 and microbubble are sent out
The first ozone exhaust pipe 2 is connected between raw device 4, microbubble generator 4 and water-distributing device 7 pass through the water inlet with water inlet valve
Pipe 5 connects, and the backwash water inlet pipe 5 with back flush valves 8, the connection of 10 top of reactor body are also connected on water-distributing device 7
A piece drainpipe 14, perforation connection two drainpipes with water discharging valve 15 and backwash water discharging valve 16 respectively on drainpipe 14
Branch.By the trend of control water discharging valve 15 and the unlatching control draining for backwashing water discharging valve 16, facilitates and collect respectively.Instead
Water inlet pipe 9 is rinsed to communicate with water inlet pipe 5 and respectively by back flush valves 8 and the control opening and closing of water inlet valve 6.Backwash water inlet pipe
It is communicated with the water inlet pipe of reactor, by controlling the unlatching of back flush valves and water inlet valve, plays and be respectively washed reactor
The effect of ontology and microbubble generator.Tail gas discharging pipe 17, the end of tail gas discharging pipe 17 are connected at the top of reactor body 10
Portion is connected with vent ozone destructor 18.
Ozone generator 1 is used to generate ozone, and microbubble generator 4 is sufficiently mixed for waste water to be processed with ozone, instead
The catalyst in 10 inner catalyst layer 11 of device ontology is answered to carry out oxidation reaction in turn for the pollutant in waste water for catalysis ozone
Decompose removal.Quartz burner 13 generate ultraviolet light, aeration plate 12 disperse ozone out play it is smelly in concerted catalysis oxidant layer 11
The effect of oxygen solution Pollutants in Wastewater.Backwash water inlet pipe 9 with back flush valves 8 and the row with backwash water discharging valve 16
14 coordinated of water pipe plays the role of cleaning catalyst layer 11 in reactor body 10, prevents catalyst layer 11 from blocking.Pass through
Reasonable topology layout is set, so that ozone is shed with micro-bubble, is come into full contact with waste water, and multi-point adding, in catalyst
Catalytic action and ultraviolet light synergistic effect under improve ozone utilization rate and reaction efficiency.
Embodiment:
A kind of sewage water treatment method based on catalytic ozonation reactor, comprising the following steps:
A, the ozone generated to microbubble generator 4, ozone generator 1 is added in waste water to be processed after booster pump is pressurized
2/3, which enters microbubble generator 4,1/3 along the first ozone exhaust pipe 2, enters aeration plate 12 along the second ozone exhaust pipe 3, to
After processing waste water mixes in microbubble generator 4 with ozone, ozone is dissolved in waste water with the micro-bubble of 30~100um, away from
Waste water is uniformly distributed in reactor body 10 by the water-distributing device 7 at 10 bottom 0.5m of reactor body, and water-distributing device 7 is selected
Strainer head.5 valve of water inlet pipe is opened, back flush valves 8 are closed, the waste water after dissolved ozone enters along water-distributing device 7 urges
Catalytic ozonation reaction occurs in catalyst layer 11, removes in waste water for agent layer 11 under the action of molecular sieve catalyst
Pollutant, wherein catalyst selects molecular sieve catalyst, and aeration plate 12 is mounted at 11 top 0.5m of catalyst layer, aeration plate 12
Using microporous aeration disc；
B, disperse ozone out from aeration plate 12 and be also dissolved in the useless of catalyst layer 11 in the form of the micro-bubble of 30~100um
In water, while the pollutant on aeration plate 12 in the ultraviolet light co-treating wastewater of the generation of quartz burner 13, so that waste water
Middle pollutant sufficiently occurs oxidation reaction and degrades；
C, the water discharging valve 15 of 14 roads of drainpipe is opened, backwash water discharging valve 16 is closed, removes the useless of pollutant
Water is collected along 14 branch of the drainpipe discharge with water discharging valve 15, and the ozone of oxidation reaction does not occur along reactor sheet
The tail gas discharging pipe 17 at 10 top of body is discharged into atmosphere after entering vent ozone destructor 18；
D, it after reactor body 10 is run 6~7 days, for the blocking of anti-catalyst layer 11, needs to carry out catalyst layer 11 instead
It washes, when 11 backwash of catalyst layer, closes 5 valve of water inlet pipe and water discharging valve 15, open back flush valves 8 and backwash drain valve
Door 16 pours clean water from backwash water inlet pipe 9, and the drainpipe branch with backwash water discharging valve 16 collects waste water after cleaning.
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 (9)
1. a kind of catalytic ozonation reactor, which is characterized in that successively include ozone generator, the microbubble hair of pipeline connection
Raw device, reactor body and vent ozone destructor, waste water to be processed enter the ozone that microbubble generator and ozone generator generate
It mixes, is disposed with quartz burner, aeration plate, catalyst layer and water-distributing device, ozone from top to bottom in reactor body
It is connected with the second ozone exhaust pipe between generator and aeration plate, first is connected between ozone generator and microbubble generator
Ozone exhaust pipe, microbubble generator and water-distributing device are connected by the water inlet pipe with water inlet valve, are also connected on water-distributing device
It is connected to the backwash water inlet pipe with back flush valves, reactor body top is connected with band water discharging valve respectively and backwash draining
The drainpipe of valve, reactor body top are connected with tail gas discharging pipe, and the end of tail gas discharging pipe is connected with vent ozone destructor.
2. catalytic ozonation reactor as described in claim 1, which is characterized in that the catalyst layer with a thickness of reaction
The 1/2~2/3 of device ontology, the aeration plate are located at 0.5~1.0m at the top of catalyst layer, and aeration plate is uniform in reactor body
Distribution.
3. catalytic ozonation reactor as described in claim 1, which is characterized in that the backwash water inlet pipe and water inlet pipe
It communicates and respectively by back flush valves and water inlet valve control opening and closing.
4. catalytic ozonation reactor as described in claim 1, which is characterized in that the water-distributing device is close to ontology bottom
Portion, water-distributing device is using one of strainer head, short-handled filter head or perforation water distributing plate.
5. catalytic ozonation reactor as described in claim 1, which is characterized in that the ultraviolet lamp tube is uniformly mounted on instead
It answers in device inner body wall and is located above aeration plate at 0.3~1m, the quartz burner uses low pressure mercury lamp.
6. catalytic ozonation reactor as described in claim 1, which is characterized in that the reactor body top connection one
Root drainpipe, perforation connection two drainpipe branches with water discharging valve and backwash water discharging valve respectively on drainpipe.
7. catalytic ozonation reactor as described in claim 1, which is characterized in that the catalyst in the catalyst layer is
Molecular sieve catalyst, catalyst select one of quartz sand, brick slag, steel slag, active carbon, molecular sieve or aluminium oxide, catalyst
Middle active constituent is selected from the combination of one or more of Mn, Fe, Cu transition metal oxide.
8. catalytic ozonation reactor as described in claim 1, which is characterized in that the aeration plate uses microporous aeration disc
Or micro-nano generator, aeration plate disperse 30~100um of bubble diameter out.
9. a kind of sewage water treatment method based on catalytic ozonation reactor, which comprises the following steps:
A, waste water to be processed is added to microbubble generator after booster pump is pressurized, ozone a part that ozone generator generates
Enter microbubble generator along the first ozone exhaust pipe, another part enters aeration plate along the second ozone exhaust pipe, wait locate
Reason waste water mixed in microbubble generator with ozone after, ozone is dissolved in waste water with the micro-bubble of 30~100um, open into
Aqueduct valve closes back flush valves, and the waste water after dissolved ozone enters catalyst layer along water-distributing device, in catalyst layer
Catalytic ozonation reaction occurs under the action of molecular sieve catalyst, removes the pollutant in waste water；
B, from the waste water that aeration plate disperses that ozone out is also dissolved in catalyst layer in the form of the micro-bubble of 30~100um, together
When aeration plate on quartz burner generation ultraviolet light co-treating wastewater in pollutant so that Pollutants in Wastewater is abundant
Oxidation reaction occurs to degrade；
C, the water discharging valve of drainpipe branch road is opened, backwash water discharging valve is closed, the waste water for removing pollutant is arranged along band
The drainpipe branch discharge of penstock is collected, and the ozone that oxidation reaction does not occur is arranged along the tail gas at the top of reactor body
It puts after pipe enters vent ozone destructor and is discharged into atmosphere；
D, it after reactor body is run 6~7 days, for the blocking of anti-catalyst layer, needs to carry out backwash, catalyst layer to catalyst layer
When backwash, water inlet valve and water discharging valve are closed, opens back flush valves and backwash water discharging valve, from backwash water inlet pipe
Clean water is poured, the drainpipe branch with backwash water discharging valve collects waste water after cleaning.
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| CN112047454A (en) * | 2020-09-25 | 2020-12-08 | 北京首创股份有限公司 | Ozone catalytic oxidation device and treatment method |
| CN112125387A (en) * | 2020-11-04 | 2020-12-25 | 中冶赛迪技术研究中心有限公司 | Ozone catalytic oxidation treatment device and process for wastewater |
| CN112551775A (en) * | 2020-11-11 | 2021-03-26 | 安徽科技学院 | Ultraviolet ozone catalytic oxidation sewage treatment device and method |
| CN113184975A (en) * | 2021-06-10 | 2021-07-30 | 青岛派尼尔环保技术有限公司 | Advanced catalytic oxidation process for ozone |
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| CN114590943A (en) * | 2022-03-21 | 2022-06-07 | 蔡同春 | Multi-component phase catalytic sewage treatment equipment and treatment method thereof |
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| CN110668551B (en) * | 2019-11-11 | 2023-05-26 | 南京大学盐城环保技术与工程研究院 | Ozone catalytic device and method |
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