CN107176647A - A kind of microwave and photo catalysis ceramic membrane couples purifier - Google Patents
A kind of microwave and photo catalysis ceramic membrane couples purifier Download PDFInfo
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- CN107176647A CN107176647A CN201710453961.1A CN201710453961A CN107176647A CN 107176647 A CN107176647 A CN 107176647A CN 201710453961 A CN201710453961 A CN 201710453961A CN 107176647 A CN107176647 A CN 107176647A
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 57
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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
-
- 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
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
-
- 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
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/34—Organic compounds containing oxygen
-
- 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
- C02F2101/38—Organic compounds containing nitrogen
-
- 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
- C02F2101/40—Organic compounds containing sulfur
-
- 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
- C02F2201/32—Details relating to UV-irradiation devices
- C02F2201/326—Lamp control systems
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/10—Photocatalysts
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)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physical Water Treatments (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The present invention provides a kind of microwave and photo catalysis ceramic membrane coupling purifier, is related to water-treatment technology field.A kind of microwave and photo catalysis ceramic membrane coupling purifier includes：Waste water circulation system, microwave instrument, waste water reaction room and microwave and photo catalysis ceramic membrane reactor.Microwave and photo catalysis ceramic membrane reactor includes ceramic-film tube, the electrodeless ultraviolet lamp in ceramic-film tube passage and the photochemical catalyst for being coated in ceramic-film tube inner surface.Waste water is acted on by microwave field, ultraviolet light, photochemical catalyst and ceramic membrane simultaneously, and waste water, in microwave and photo catalysis ceramic membrane reactor internal circulation flow, reaches good water purifying effect by waste water circulation system.The present invention is combined by microwave and photo catalysis and ceramic membrane, microwave field, ultraviolet light and catalyst three synergy, and Ceramic Membranes Separating Technique is combined, there is obvious action to the removal of the organic pollution of difficult degradation in waste water, available for numerous areas such as waste water and drinking water treatments, water quality safety is ensured.
Description
Technical field
The present invention relates to water treatment field, and more particularly to a kind of microwave and photo catalysis-ceramic membrane coupling purifier.
Background technology
With developing rapidly for industrial or agricultural, the industry such as printing and dyeing, papermaking, coking, plastics, synthetic fibers generates more and more
The organic matter of difficult degradation, causes serious problem of environmental pollution.This pollutant includes engine dyeing material, surfactant, resisted
Raw element etc., it has, and toxicity is big, complicated component, chemical oxygen consumption (COC) are high, the characteristics of degraded difficulty is high.
Photocatalysis technology turns into one of study hotspot of processing organic wastewater with difficult degradation thereby.In the irradiation of ultraviolet light or sunshine
Under, semiconductor catalyst can produce hole, hole and hydrone effect, produce the hydroxyl radical free radical of strong oxidizing property, effective oxygen
Change each type organic in waste water.Inventor's research finds that the treatment effeciency of photocatalysis technology is difficult to reach practical application all the time
Level.This is due to using wide bandgap semiconductor materials as photochemical catalyst, it is necessary to which valence band can just be excited by absorbing larger energy
Electron transition, thus quantum efficiency is not high in traditional photocatalysis.
The content of the invention
It is an object of the invention to provide a kind of microwave and photo catalysis-ceramic membrane coupling purifier, this device passes through microwave
Field, ultraviolet light and the reaction of catalyst Synergistic degradation, and the separation effect of nanofiltration ceramic membrane is combined, reach good Water warfare effect
Really.
The present invention is solved its technical problem and realized using following technical scheme.
The present invention proposes a kind of microwave and photo catalysis-ceramic membrane coupling purifier, including：
Waste water circulation system, for forming waste water circulation loop；
Microwave instrument, for producing microwave；
In waste water reaction room, the chamber for being installed in microwave instrument, waste water reaction room be provided be used for waste water enter water inlet with
And the discharge outlet for discharging the waste water after purification；
Microwave and photo catalysis ceramic membrane reactor, is installed in waste water reaction room, including ceramic-film tube, and located at ceramic membrane
Electrodeless ultraviolet lamp in the passage of pipe, the inner surface of ceramic-film tube is coated with photochemical catalyst；
Waste water is by waste water circulation system in microwave and photo catalysis ceramic membrane reactor internal circulation flow.
The beneficial effect of the microwave and photo catalysis of the embodiment of the present invention-ceramic membrane coupling purifier is：
Apply microwave irradiation in reaction unit, both can be used for lighting electrodeless ultraviolet lamp, additionally it is possible to utilize microwave and its
He acts synergistically in the formation of wastewater degradation means, shortens the reaction time, improves reaction efficiency.
Using the pattern radiated in ultraviolet light, directly electrodeless ultraviolet lamp pipe is placed in every ceramic-film tube, and in ceramics
Membrane tube inwall coats photochemical catalyst, every ceramic-film tube is turned into an independent microwave and photo catalysis ceramic membrane reactor, device
Light collecting effect more preferably, catalyst can receive more sufficient ultraviolet light, and photocatalysis efficiency is higher.
Waste water circulation system makes waste water constantly be circulated in microwave and photo catalysis ceramic membrane reactor, reaches good purification effect
Really.
The microwave and photo catalysis of the present invention-ceramic membrane coupling purifier carries out microwave and photo catalysis and UF membrane to waste water simultaneously
Processing, a variety of degraded means Synergistics reach splendid treatment effeciency.And the design can be in set of device while realize micro-
The glistening light of waves is catalyzed and ceramic membrane separation, and device integration is high, high treating effect, in waterworks, sewage plant, aquaculture, poultry
There is preferable application prospect in the fields such as cultivation, hospital and pharmaceutical factory.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be attached to what is used required in embodiment
Figure is briefly described, it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, therefore is not construed as pair
The restriction of scope, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this
A little accompanying drawings obtain other related accompanying drawings.
Fig. 1 couples the structural representation of purifier for microwave and photo catalysis-ceramic membrane of the embodiment of the present invention；
Fig. 2 be Fig. 1 in waste water reaction room top view.
Reference is summarized as follows：100- microwave and photo catalysis-ceramic membrane coupling purifier；10- waste water circulation systems；
11- storage tanks；12- circulating pumps；13- outlet pipelines；14- inlet pipelines；15- valves；20- microwave instrument；21- magnetrons；30- gives up
Water reative cell；31- water inlets；32- discharge outlet；33- cloth stream plates；34- through holes；35- cover plates；36- delivery ports；37- flanges；40-
Microwave and photo catalysis ceramic membrane reactor；41- ceramic-film tubes；42- electrodeless ultraviolet lamps；43- photochemical catalysts.
Embodiment
To make the purpose, technical scheme and advantage of embodiment of the present invention clearer, below in conjunction with present invention implementation
Accompanying drawing in mode, the technical scheme in embodiment of the present invention is clearly and completely described, it is clear that described reality
The mode of applying is a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ability
The every other embodiment that domain those of ordinary skill is obtained under the premise of creative work is not made, belongs to the present invention
The scope of protection.Therefore, the detailed description of embodiments of the present invention below to providing in the accompanying drawings, which is not intended to limit, wants
The scope of the present invention of protection is sought, but is merely representative of the selected embodiment of the present invention.Based on the embodiment in the present invention,
The every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, belongs to this
Invent the scope of protection.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer ", " up time
The orientation or position relationship of the instruction such as pin ", " counterclockwise " are, based on orientation shown in the drawings or position relationship, to be for only for ease of
The description present invention and simplified description, rather than indicate or imply that the equipment or element of meaning must have specific orientation, Yi Te
Fixed azimuth configuration and operation, therefore be not considered as limiting the invention.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or it " under "
Can directly it be contacted including the first and second features, it is not direct contact but by it that can also include the first and second features
Between other characterisation contact.Moreover, fisrt feature second feature " on ", " top " and " above " to include first special
Levy directly over second feature and oblique upper, or be merely representative of fisrt feature level height higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " following " fisrt feature that includes are immediately below second feature and obliquely downward, or be merely representative of
Fisrt feature level height is less than second feature.
In the present invention, unreceipted actual conditions person in embodiment, the condition advised according to normal condition or manufacturer is entered
OK.Agents useful for same or the unreceipted production firm person of instrument, are the conventional products that can be obtained by commercially available purchase.
Microwave and photo catalysis-ceramic membrane coupling purifier of the embodiment of the present invention is specifically described below.
Shown referring to Figures 1 and 2, the embodiment of the present invention provides a kind of microwave and photo catalysis-ceramic membrane coupling purifier
100, including：Waste water circulation system 10, microwave instrument 20, waste water reaction room 30 and microwave and photo catalysis ceramic membrane reactor 40.
Waste water circulation system 10 includes storage tank 11, circulating pump 12, outlet pipeline 13 and inlet pipeline 14, useless for being formed
The circulation loop of water.Circulating pump 12 is arranged on the upper of inlet pipeline 14 or outlet pipeline 13, for being provided for waste water circulation flowing
Power.Valve 15 is provided with outlet pipeline 13.After valve 15 is opened, the effect of waste water in storage tank 11 in circulating pump 12
Under flow through outlet pipeline 13, subsequently into microwave and photo catalysis ceramic membrane reactor 40.From microwave and photo catalysis ceramic membrane reactor
Waste water in 40 out is entered back into inlet pipeline 14, is returned in storage tank 11, is circulated.
Make waste water formation circulation, waste water carries out dynamic filtration process, can accelerate the degradation rate of pollutant, and be circulated throughout
Journey can make waste water carry out multiple degradation process, it is ensured that good water purifying effect.
Microwave instrument 20 is microwave generating apparatus, for providing microwave for reaction system.Specifically, magnetic is provided with microwave instrument 20
Keyholed back plate 21 so that the chamber of microwave instrument 20 turns into the resonator of microwave.The frequency of microwave has about in 300MHz-300GHz
The property of electromagnetic wave.Apply microwave irradiation, be on the one hand to be used to light electrodeless ultraviolet lamp 42, the power supply dress other without setting up
Put, it is ensured that ultraviolet source is stable to be exported.On the other hand, microwave field is formed in microwave and photo catalysis ceramic membrane reactor 40, strengthened
To the degradation effect of waste water.
Waste water reaction room 30 is installed in the chamber of microwave instrument 20, for containing waste water, forms the container of Water warfare reaction.
In an embodiment of the present invention, waste water reaction room 30 is transparent vessel, is easy to observe water treatment procedure, effective monitoring was reacted
Journey.It is further preferred that waste water reaction room 30 is lucite reative cell.Lucite be in transparent material quality it is most excellent,
The optimum material of price, its asepsis environment-protecting, with good chemical stability and weatherability, can fully meet Water warfare
Demand.
Waste water reaction room 30 has water inlet 31 and discharge outlet 32, and water inlet 31 is used to make waste water enter waste water reaction room
In 30, discharge outlet 32 is used to that the water discharge completed will to be purified.Preferably, discharge outlet 32 is arranged on to the side of waste water reaction room 30
Wall, is easy to discharge in time after the completion of purification of waste water.Water inlet 31 is arranged on the bottom of waste water reaction room 30, in circulating pump 12
In the presence of enter waste water reaction room 30 in.Further, waste water reaction room 30 is overall cylindrical, can be fully effectively sharp
Use space.
Microwave and photo catalysis ceramic membrane reactor 40 is installed in waste water reaction room 30, including ceramic-film tube 41, without extreme ultraviolet
Lamp 42 and photochemical catalyst 43.Electrodeless ultraviolet lamp 42 is installed in the passage of ceramic-film tube 41, the inner surface coating of ceramic-film tube 41
There is photochemical catalyst 43.
The light source of microwave and photo catalysis ceramic membrane reactor 40 is used as using electrodeless ultraviolet lamp 42.In an embodiment of the present invention,
Electrodeless ultraviolet lamp 42 does not set metal electrode, without by being electrically excited, but by microwave-excitation, and without electrode.With conventional ultra-violet
Lamp is compared, and microwave electrodeless lamp luminous tube is minimized, light intensity is big, light efficiency is high, long lifespan, low manufacture cost, and design is certainly
Big by degree, required repair and replacement number of times is few, it is adaptable to maintenance difficult occasion.In addition, electrodeless ultraviolet lamp 42 directly passes through microwave
Excite, simplify structure, reduction production cost, be improved the security performance of device.Particularly, microwave electrodeless lamp exists
The radiation efficiency of ultraviolet region is very high, hence it is evident that have electrode low pressure mercury lamp better than common.Electrodeless ultraviolet lamp can be sent out under microwave-excitation
Main launch wavelength is projected in UV-C wave bands and the ultraviolet light of VUV wave bands.The ultraviolet radiation of short wavelength has higher energy, energy
It is enough directly to destroy contaminant molecule structure, effectively remove pollutant.Preferably, in the present embodiment, it is main in electrodeless ultraviolet lamp 42
Fill low-pressure mercury vapour.
Meanwhile, it is set directly at by the electrodeless ultraviolet lamp 42 of microwave-excitation in the passage of ceramic-film tube 41.Compared to existing
, it is necessary to set quartz socket tube outside uviol lamp in technology, the setting in the embodiment of the present invention causes in water treatment procedure, electrodeless
Uviol lamp 42 is directly immersed in waste water, promotes absorption of the waste water to ultraviolet light.In addition, the waste water formation nothing in ceramic-film tube 41
The heat sink of extreme ultraviolet lamp 42, is effectively ensured the service life of device.
Further, in preferred embodiments of the present invention, electrodeless ultraviolet lamp 42 has prolonging beyond waste water reaction room 30
Extending portion.Further, the length of extension is 3~5cm.Extension is not in contact with liquid, it is ensured that electrodeless ultraviolet lamp 42 receives
Sufficient microwave irradiation, can stablize and light.Simultaneously, it is to avoid competing absorption microwave by waste water and electrodeless ultraviolet lamp 42 causes lamp can not
Light or cause the low phenomenon of uviol lamp brightness to occur.
Further, in preferred embodiments of the present invention, the ceramic membrane in ceramic-film tube 41 is nanofiltration ceramic membrane, aperture
Less than or equal to 2nm.Ceramic membrane can be effectively to carrying out UF membrane, in the presence of external force, most impurity quilt to waste water
Ceramic membrane interception.And the ceramic membrane of nanofiltration level can retain the organic matter and salt of small-molecular-weight, while also having good remove
Bacterium acts on.
Further, in preferred embodiments of the present invention, ceramic-film tube 41 is single channel ceramic-film tube, ceramic-film tube 41
Internal diameter be preferably 1~8cm, more preferably 2~6cm.
Further, in preferred embodiments of the present invention, electrodeless ultraviolet lamp 42 is located substantially at the axle center of ceramic-film tube 41
Position.The radial distance of the inwall of surface distance ceramic-film tube 41 of electrodeless ultraviolet lamp 42 is 1~3cm.
Further, in preferred embodiments of the present invention, the material of photochemical catalyst 43 is selected from TiO2, ZnO, CdS, doping
TiO2Conductor photocatalysis material in one or more.Further, photochemical catalyst 43 is coated on the whole of ceramic-film tube 41
Individual inner surface.From above-mentioned photochemical catalyst 43, more preferable catalytic effect can be reached.Particularly, TiO2、ZnO、CdS、ZrO2
For nano level semiconductor light-catalyst, the inner surface of ceramic-film tube 41 is coated on, except performance photochemical catalyst 43 light of itself
Outside catalysis, also cause inner surface one layer of NF membrane of formation of ceramic-film tube 41 so that ceramic-film tube 41 reaches nanofiltration rank,
So as to effectively be purified to waste water.
Electrodeless ultraviolet lamp 42 is arranged on to the shaft core position of ceramic-film tube 41, photochemical catalyst 43 is coated in ceramic-film tube 41
Inner surface.Ensure that waste water and photochemical catalyst 43 in ceramic-film tube 41 can fully receive the radiation of electrodeless ultraviolet lamp 42.Light is urged
Position where agent 43 can be irradiated by ultraviolet light, ultraviolet irradiation efficiency high, light-catalyzed reaction efficiency high.
Inventor's research finds that the distance of ceramic-film tube 41 and electrodeless ultraviolet lamp 42 can significantly affect light-catalyzed reaction effect
Rate.Both hypotelorisms, then make it that the wastewater flow rate entered in microwave and photo catalysis ceramic membrane reactor 40 is very few, Water warfare cost
It is high.Both hypertelorisms, then can greatly reduce the ultraviolet irradiation efficiency of waste water and photochemical catalyst 43, influence Water warfare efficiency.When
When the radial distance of the inwall of surface distance ceramic-film tube 41 of electrodeless ultraviolet lamp 42 is 1~3cm, it is ensured that microwave ultraviolet is efficiently worn
Saturating waste water, and good radiation is formed to photochemical catalyst 43, Water warfare efficiency reaches most preferably.
The effect of Synergistic can occur with microwave for photochemical catalyst 43, and in the presence of microwave field, photochemical catalyst 43 is produced
Raw more defects.Due to trap effect, the trap center as electronics or hole is lowered the compound of electronics and hole by defect
Rate.Meanwhile, microwave can promote the surface OH of photochemical catalyst 43 generation, improve photocatalysis efficiency.Microwave field is to photochemical catalyst
43 have polarization, can effectively strengthen the light absorbs on the surface of photochemical catalyst 43.In addition, the intermolecular hydrogen bond quilt of microwave field reclaimed water
Interrupt, suppress absorption of the waste water on the surface of photochemical catalyst 43, improve the activity of photochemical catalyst 43.
Further, in preferred embodiments of the present invention, microwave and photo catalysis ceramic membrane reactor 40 is vertically provided at useless
In water reative cell 30, waste water enters ceramic-film tube in the presence of circulating pump 12 from the water inlet 31 of the bottom of waste water reaction room 30
In 41 passage, waste water does shuttling movement in the channels, therefore, inner surface formation cross-flow of the waste water in ceramic-film tube 41
Filter.
During cross-flow filtration, a part of waste water is filtered out with tangent line by way of, and another part waste water is in ceramic membrane
Turbulent flow is formed in the passage of pipe 41, the inner surface of ceramic-film tube 41 is constantly rinsed, the solid content being attached on a small quantity on film is taken away,
Effectively prevent the blocking of ceramic membrane, it is ensured that membrane separating process is smoothed out.
Further, in preferred embodiments of the present invention, 5~9 microwave and photo catalysis are provided with waste water reaction room 30
Ceramic membrane reactor 40, more preferably 7.It is further preferable that two neighboring microwave and photo catalysis ceramic membrane reactor 40
Spacing is equal.The spacing of two neighboring microwave and photo catalysis ceramic membrane reactor 40 is preferably 2~5cm.
Further, in preferred embodiments of the present invention, waste water reaction room 30 is provided with cloth stream plate close to the position of bottom
33.Microwave and photo catalysis ceramic membrane reactor 40 is arranged on cloth stream plate 33, and cloth stream plate 33 is to microwave and photo catalysis ceramic membrane reactor
40 form supporting role, and cloth stream plate 33 turns into the water inlet end of microwave and photo catalysis ceramic membrane reactor 40.Opened up on cloth stream plate 33
There is the through hole 34 for making waste water enter in ceramic-film tube 41.
Cloth stream plate 33 only opens up through hole 34 in the bottom of ceramic-film tube 41, and waste water can be made to enter microwave and photo catalysis ceramic membrane
Reactor 40.Cloth stream plate 33 is enclosed construction elsewhere.Under this structure, waste water reaction room 30 forms 3 regions, positioned at useless
The waste water of the bottom of water reative cell 30 enters area I, the waste water reaction area II in microwave and photo catalysis ceramic membrane reactor 40, is located at
The purified water accommodating area III of the periphery of microwave and photo catalysis ceramic membrane reactor 40.Waste water enters area I and is only connected with waste water reaction area II
Logical, waste water reaction area II waste water permeation ceramic membrane pipe 41 enters purified water accommodating area III.Waste water enters area I and the purification water capacity
Area III is put to be isolated from each other.Ensure that permeation ceramic membrane pipe 41 completes the water of purification and the waste water into waste water reaction room 30 does not occur
Mixing.
Further, through hole 34 is multiple, is only opened in the bottom of ceramic-film tube 41.The aperture of through hole 34 be 0.5~
1cm.Waste water passes through enters waste water reaction room 30, and the through hole 34 by only being opened up in the bottom of ceramic-film tube 41 by water inlet 31
Into in each microwave and photo catalysis ceramic membrane reactor 40.
Further, in preferred embodiments of the present invention, the top of waste water reaction room 30 is provided with cover plate 35, and cover plate 35 is
The water side of microwave and photo catalysis ceramic membrane reactor 40.The delivery port for making waste water flow out ceramic-film tube 41 is offered on cover plate 35
36.Delivery port 36 and the position of microwave and photo catalysis ceramic membrane reactor 40 and number are mutually corresponding.Multiple microwave and photo catalysis ceramics
The presence of membrane reactor 40 so that the delivery port 36 of dispersiveness is formed on cover plate 35.Each delivery port 36 is connected to outlet pipe
Road 13, waste water enters outlet pipeline 13 from the delivery port 36 on the top of microwave and photo catalysis ceramic membrane reactor 40, returns to storage tank 11
In, subsequently into next circulation.
Further, in preferred embodiments of the present invention, cover plate 35 and waste water reaction room 30 are detachably connected.In this reality
Apply in example, cover plate 35 and waste water reaction room 30 are connected by flange 37.It is understood that in the other embodiment of the present invention
In, the mode of being detachably connected, which may also be, to be snapped connection, is hinged, but is not limited to this.
Cover plate 35 and waste water reaction room 30 are detachably connected, and are easy to disassembly, cleaning and the Inspection and maintenance of device, easy to use,
Maintenance cost is low.
Further, the wall contact position of cover plate 35, ceramic-film tube 41 and waste water reaction room 30 is carried out using rubber ring
Sealing.
Further, in preferred embodiments of the present invention, according to the degraded difficulty control valve 15 of waste water, waste water is adjusted
Residence time in microwave and photo catalysis ceramic membrane reactor 40, reach preferably treatment effect.When waste strength is less than 0.4g/
During L, the flow velocity of waste water is 12~15L/min；When waste strength is more than or equal to 0.4g/L, less than 0.8g/L, the stream of waste water
Speed is 8~12L/min；When waste strength is more than or equal to 0.8g/L, the flow velocity of waste water is 4~8L/min.
Use above-mentioned microwave and photo catalysis-ceramic membrane coupling purifier 100 carry out the reaction process of Water warfare for：
By in a certain amount of wastewater tank 11, Open valve 15 and circulating pump 12, waste water pass sequentially through inlet pipeline 14,
The water inlet 31 and cloth stream plate 33 of waste water reaction room 30 enter in the passage of ceramic-film tube 41.Treat waste water by a circulation again
When importing in storage tank 11, microwave instrument 20 is opened, calculating reacting time is started after the stabilization of electrodeless ultraviolet lamp 42 is lighted.It is pending
Waste water in every ceramic-film tube 41 vertical upflow, partial reaction liquid permeation ceramic membrane pipe 41 enters waste water reaction room 30
In, and discharged by the discharge outlet 32 of waste water reaction room 30.Remaining waste water continue tube wall along ceramic-film tube 41 upwardly through point
The mouth of a river 36 that sheds is discharged, and is imported in storage tank 11, is circulated again by outlet pipeline 13.
To sum up, Water warfare is carried out using microwave and photo catalysis-ceramic membrane coupling purifier 100, ceramic-film tube 41 is set
Into single channel form, electrodeless ultraviolet lamp 42 is equipped with the passage of ceramic-film tube 41, and coat in the inner surface of ceramic-film tube 41
Photocatalyst layer.Every ceramic-film tube 41 forms independent microwave and photo catalysis ceramic membrane reactor 40, and light collecting effect more preferably, urge by light
Agent can receive more fully ultraviolet light, and photocatalysis effect is significantly improved.And in the ceramic film reaction of microwave and photo catalysis
The pattern of ultraviolet interior radiation is formed in device 40, photochemical catalyst 43 can receive more sufficient ultraviolet light, and photocatalysis efficiency is high.
Microwave and it is ultraviolet there is cooperative effect, can accelerate the formation of hydroxyl radical free radical in course of reaction, improve photocatalysis
The surface-active of agent.Microwave and it is ultraviolet can act on reactant simultaneously, aggravation reactant molecule motion, reduction reaction activation
Can, accelerate reaction speed.Microwave can also induce waste water catalytic oxidation, with oxidation it is quick, do not bring new pollutant into,
Time-saving energy-saving, the advantage simplified procedures.
Microwave field, ultraviolet light, catalyst and membrane separation technique synergy, solve traditional photochemical catalyst quantum efficiency not
High the problem of, promote the production of OH in the UV Absorption and reaction system of photochemical catalyst, shorten the reaction time, improve pollution
Thing degradation effect.Waste water passes through microwave field, ultraviolet radioactive, photocatalysis, nanofiltration ceramic membrane separation, and constantly progress circulation degraded,
Reach good water purifying effect.
The embodiment of the present invention also provides a kind of process for purifying water based on microwave and photo catalysis-ceramic membrane coupling, including following step
Suddenly：
S1：Waste water is set to be circulated between storage tank 11 and microwave and photo catalysis ceramic membrane reactor 40；
S2：Waste water in S1 carries out microwave field, ultraviolet light and catalyst association in microwave and photo catalysis ceramic membrane reactor 40
Same degradation reaction, and ceramic membrane separation process is carried out simultaneously；
S4：Wastewater fraction permeation ceramic membrane in S3 completes purification, and remaining waste water is from the ceramic film reaction of microwave and photo catalysis
Device 40 enters storage tank 11 after flowing out.
Specifically, above-mentioned process for purifying water is realized using above-mentioned microwave and photo catalysis-ceramic membrane coupling purifier 100.It is useless
Water is being circulated by waste water circulation system 10 between storage tank 11 and microwave and photo catalysis ceramic membrane reactor 40.Waste water passes through
Cloth stream plate 33 realizes filtering, subsequently into microwave and photo catalysis ceramic membrane reactor 40.Waste water is in the ceramic film reaction of microwave and photo catalysis
Microwave field, ultraviolet light and the reaction of catalyst Synergistic degradation are carried out in device 40, and carries out ceramic membrane separation process simultaneously.Wastewater fraction
Purification is completed by ceramic membrane separation to discharge from discharge outlet 32, remaining waste water enters water storage after the outflow of distributing delivery port 36
Case 11.
Further, in wastewater purification, the power output of microwave is 300~700W.Further, microwave is exported
Power is 400~500W.It under the power output, on the one hand ensure that the stabilization of inorganic UV lamp 42 is lighted, reach good
Water purifying effect.And ensure that under the power under the effect of good clearance, it is to avoid waste excessive energy consumption.
Further, in wastewater purification, with the rise of microwave power, ultraviolet light intensity is increased, above-mentioned micro-
It under wave power, ensure that under enough ultraviolet light intensities, preferably water purifying effect can be reached.
Test example
By 500 μ g/L sulfamethoxazole solution of initial concentration as reaction solution, water treatment procedure is simulated.Using
When microwave, ultraviolet irradiation and photochemical catalyst Synergistic degradation, when microwave power is 400W, the μ W/cm of ultraviolet light intensity 2402, reaction
140s, the clearance of sulfamethoxazole can reach 96.7%.And only with ultraviolet light irradiation, do not apply in reaction unit
The clearance of sulfamethoxazole is 75.24% under microwave field, similarity condition.
Embodiments described above is a part of embodiment of the invention, rather than whole embodiments.The reality of the present invention
The detailed description for applying example is not intended to limit the scope of claimed invention, but is merely representative of the selected implementation of the present invention
Example.Based on the embodiment in the present invention, what those of ordinary skill in the art were obtained under the premise of creative work is not made
Every other embodiment, belongs to the scope of protection of the invention.
Claims (10)
1. a kind of microwave and photo catalysis-ceramic membrane coupling purifier, it is characterised in that including：
Waste water circulation system, for forming waste water circulation loop；
Microwave instrument, for producing microwave；
In waste water reaction room, the chamber for being installed in the microwave instrument, the waste water reaction room, which is provided with, is used for the water inlet that waste water enters
Mouth and the discharge outlet for discharging the waste water after purification；
Microwave and photo catalysis ceramic membrane reactor, is installed in the waste water reaction room, including ceramic-film tube, and located at the pottery
Electrodeless ultraviolet lamp in the passage of porcelain membrane tube, the inner surface of the ceramic-film tube is coated with photochemical catalyst；
Waste water is by the waste water circulation system in the microwave and photo catalysis ceramic membrane reactor internal circulation flow.
2. microwave and photo catalysis according to claim 1-ceramic membrane coupling purifier, it is characterised in that the microwave light
Catalytic ceramics membrane reactor is vertically arranged, provided with the ceramic film reaction of 5~9 microwave and photo catalysis in the waste water reaction room
Device.
3. microwave and photo catalysis according to claim 1-ceramic membrane coupling purifier, it is characterised in that the ceramic membrane
Manage as single channel ceramic-film tube, the electrodeless ultraviolet lamp is located substantially at the shaft core position of the ceramic-film tube.
4. microwave and photo catalysis according to claim 3-ceramic membrane coupling purifier, the surface of the electrodeless ultraviolet lamp away from
Radial distance from the ceramic-film tube inwall is 1~3cm.
5. microwave and photo catalysis according to claim 1-ceramic membrane coupling purifier, it is characterised in that the electrodeless purple
Outer lamp has the extension beyond the waste water reaction room.
6. microwave and photo catalysis according to claim 1-ceramic membrane coupling purifier, it is characterised in that the waste water is anti-
Room is answered to be provided with cloth stream plate close to the position of bottom, the cloth stream plate is formed at the water inlet of the microwave and photo catalysis ceramic membrane reactor
End, the cloth stream plate offers the through hole for making waste water enter in the ceramic-film tube.
7. microwave and photo catalysis according to claim 1-ceramic membrane coupling purifier, it is characterised in that the water inlet
The bottom of the waste water reaction room is arranged on, the discharge outlet is arranged on the side wall of the waste water reaction room.
8. microwave and photo catalysis according to claim 1-ceramic membrane coupling purifier, it is characterised in that the waste water is anti-
Room is answered to be provided with cover plate, the cover plate is formed at the water side of the microwave and photo catalysis ceramic membrane reactor, and the cover plate is offered
Waste water is made to flow out the delivery port of the ceramic-film tube.
9. microwave and photo catalysis according to claim 1-ceramic membrane coupling purifier, it is characterised in that the waste water is followed
Loop system includes storage tank, circulating pump, is connected to the outlet pipeline and inlet pipeline of the storage tank, and waste water passes through the circulation
Pump flows through the microwave and photo catalysis ceramic membrane reactor from the outlet pipeline, then enters the storage by the water inlet light path
Water tank, forms waste water circulation loop.
10. microwave and photo catalysis according to claim 1-ceramic membrane coupling purifier, it is characterised in that the photocatalysis
The material of agent is selected from TiO2, ZnO, CdS, doping TiO2Conductor photocatalysis material in one or more.
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