CN208814707U - Ultraviolet optical coupling titanium dioxide sterilization and disinfection device - Google Patents
Ultraviolet optical coupling titanium dioxide sterilization and disinfection device Download PDFInfo
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- CN208814707U CN208814707U CN201820589259.8U CN201820589259U CN208814707U CN 208814707 U CN208814707 U CN 208814707U CN 201820589259 U CN201820589259 U CN 201820589259U CN 208814707 U CN208814707 U CN 208814707U
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- titanium dioxide
- reactor
- ultraviolet
- optical coupling
- disinfection device
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Abstract
The utility model discloses a kind of ultraviolet optical coupling titanium dioxide sterilization and disinfection devices, it is characterized by comprising reactors, the vertical setting of reactor, the upper and lower part of the reactor is respectively equipped with water outlet and water inlet, the inner wall of the reactor is equipped with nanometer titanium dioxide coating, ultraviolet lamp is equipped in the reactor, the ultraviolet lamp extends along the axis direction of reactor.The ultraviolet optical coupling titanium dioxide sterilization and disinfection device of the utility model, it is acted synergistically using ultraviolet light and titanium dioxide, sterilizing efficiency is effectively improved, solves the problems, such as that shadow region disinfection is not thorough, the toxic compound of viral internal that ultraviolet light can not decompose directly is decomposed into carbon dioxide and water.
Description
Technical field
The utility model relates to technical field of waste water processing, and in particular to a kind of for handling the ultraviolet optocoupler of hospital wastewater
Close titanium dioxide sterilization and disinfection device.
Background technique
Hospital wastewater (or sewage) refers to the sewage that hospital discharges to natural environment or urban duct, contains in hospital wastewater
The sewage of the contagious wards such as the pathogenic microorganisms such as communicable egg parasitoid, pathogen and virus, especially hepatitis discharge, must be through
It could be discharged after disinfection.The common sterilization method of Hospitals at Present waste water has ozonization, ultraviolet disinfection and chlorination etc..Mesh
For these preceding processing modes with respective limitation, ozonization capital cost is high, and ton water is at high cost；The mode of chlorination
Have certain oxidation to Humus in hospital wastewater and Hydrocarbon Organic, generate more carcinogenic substance, mutagenesis class it is halogenated
Hydrocarbon Organic, therefore most of hospitals, in the selection of tail water sterilizing method, majority is using uv disinfection disinfection
Method.But there is certain deficiency in uv disinfection chlorination equipment currently on the market, ultraviolet sterilization is by ultraviolet light to micro-
The institutional framework (DNA) that the irradiation of biology changes and destroy microorganism leads to structural mutation, germ lose duplication fertility from
And achieve the purpose that disinfection and sterilization, but ultraviolet light can not handle the toxic compound inside germ.Meanwhile ultraviolet light cabinet
When installation, mostly horizontal installation causes in long-term operational process, the SS in water under the effect of gravity, in ultraviolet lamp tube table
Fouling is assembled in face, and the projectiveness of ultraviolet lamp is made to be affected, and carries out influencing whole disinfection effect.In addition, traditional
Uv disinfection sterilizing equipment decontaminating apparatus uses submergence type body structure, is not easily achieved and radiates uniformly in entire processing space, there are photographs
The shadow region penetrated, is not thorough bactericidal effect.
Summary of the invention
The technical problem to be solved by the present invention is to provide a kind of ultraviolet optical coupling titanium dioxide sterilization and disinfection device, energy
The germicidal efficiency for enough effectively improving ultraviolet light has the characteristics that safe and efficient, energy saving；Solve ultraviolet lamp scale problems simultaneously
And irradiation shadow region problem.
In order to solve the above-mentioned technical problem, the utility model provides a kind of ultraviolet optical coupling titanium dioxide sterilizing dress
It sets, including reactor, the vertical setting of reactor, the upper and lower part of the reactor is respectively equipped with water outlet and water inlet
Mouthful, the inner wall of the reactor is equipped with nanometer titanium dioxide coating, ultraviolet lamp is equipped in the reactor, the ultraviolet lamp is along anti-
The axis direction of device is answered to extend.
It further comprise that the ultraviolet lamp is externally provided with quartz tube cover in one preferred embodiment of the utility model.
It further comprise that the bottom of the reactor is equipped with aeration head in one preferred embodiment of the utility model, it is described
The top of reactor is equipped with exhaust outlet.
It further comprise in the nanometer titanium dioxide coating as photocatalysis in one preferred embodiment of the utility model
The nano-titanium dioxide dosage that agent uses is 1~2g/L.
It further comprise that the nano-titanium dioxide carries out photochemical catalyst effect in one preferred embodiment of the utility model
Time be 15~30min.
In one preferred embodiment of the utility model, further comprise the ultraviolet light irradiation ultraviolet wavelength be 200
~400nm, irradiation intensity 16.5*100uW/cm2。
In one preferred embodiment of the utility model, further comprise the aeration head aeration quantity be 1L/min.
The ultraviolet optical coupling titanium dioxide sterilization and disinfection device of one, the utility model, utilizes ultraviolet light and titanium dioxide
Synergistic effect, effectively improves sterilizing efficiency, solves the problems, such as that shadow region disinfection is not thorough, the disease that ultraviolet light can not be decomposed
Malicious internal toxic compound is directly decomposed into carbon dioxide and water.
Secondly, Nano titanium dioxide have the function of absorb, reflection and scattering ultraviolet light, make the purple of 200nm~300nm
Outer light wave is reflected and is scattered in reactor, and germicidal efficiency is effectively increased；On the other hand, Nano titanium dioxide absorbs
Light-catalyzed reaction occurs for ultraviolet light wave, effectively improves disinfection effect, while will be inside germ not analysable in water
Toxic compound direct oxidation is water and carbon dioxide.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of sterilization and disinfection device in the preferred embodiment in the utility model.
Wherein: 2- reactor, 4- water outlet, 6- water inlet, 8- nanometer titanium dioxide layer, 10- ultraviolet lamp, 12- quartz ampoule
Cover, 14- aeration head, 16- exhaust outlet.
Specific embodiment
The utility model is described in further detail in the following with reference to the drawings and specific embodiments, so that those skilled in the art
The utility model may be better understood and can be practiced, but illustrated embodiment is not as the restriction to the utility model.
Embodiment
As shown in Figure 1, present embodiment discloses a kind of ultraviolet optical coupling titanium dioxide sterilization and disinfection device, including reactor
2, in the present embodiment technical solution, it is preferable to use cylindrical-shaped structures for above-mentioned reactor 2, whole to use 316 stainless steel materials.It is above-mentioned
The vertical setting of reactor 2, the upper and lower part of above-mentioned reactor 2 are respectively equipped with water outlet 4 and water inlet 6, above-mentioned reactor 2
Inner wall is equipped with nanometer titanium dioxide coating 8, is equipped with ultraviolet lamp 10 in above-mentioned reactor 2, above-mentioned ultraviolet lamp 10 is externally provided with quartz ampoule
Cover 12, above-mentioned ultraviolet lamp 10 extend along the axis direction of reactor 2.Above-mentioned ultraviolet lamp 10 is installed with 12 sealing vertical of quartz tube cover
In cylindrical reactor middle position.
Waste water to be treated enters reactor 2 from water inlet 6, the ultraviolet light pair that ultraviolet lamp 10 irradiates in reactor 2
Waste water sterilizing；Titanium dioxide nanoparticle in nanometer titanium dioxide layer 8 as photochemical catalyst absorbs ultraviolet light wave
Light-catalyzed reaction, the toxic compound in oxygenolysis waste water；Waste water after ultraviolet light coupled nanosecond titanium dioxide treatment from
It is exported in water outlet 4.
Reactor 2 is vertical to be arranged compared to traditional horizontal placement, and the fouling on ultraviolet lamp surface can be reduced.Meanwhile it is purple
Outer lamp 10 is sealingly disposed in quartz tube cover 12, avoids and waste water, quartz tube cover 12 can alleviate waste water to ultraviolet lamp 10
Impact force, while protecting 10 non flouling behaviour of ultraviolet lamp, extend the service life of ultraviolet lamp 10, reduce later maintenance cost.
It in the present embodiment technical solution, is acted synergistically using ultraviolet light and titanium dioxide, ultraviolet light itself is sterilized well
Effect, while the Nano titanium dioxide particle for including in nanometer titanium dioxide layer has absorption, reflection and scattering ultraviolet light
Effect, makes the ultraviolet light wave of 200nm~300nm be reflected and be scattered in reactor 2, effectively improves ultraviolet light to waste water
Germicidal efficiency.Meanwhile Nano titanium dioxide absorbs ultraviolet light wave and light-catalyzed reaction occurs, and effectively improves disinfection effect,
It is simultaneously water and carbon dioxide by toxic compound direct oxidation inside germ not analysable in water.
In the present embodiment, the nano-titanium dioxide dosage used in above-mentioned nanometer titanium dioxide coating as photochemical catalyst is
1~2g/L, 1~2g/L herein mean that the dosage of processing 1L waste water nano-titanium dioxide is 1~2g.When nano-titanium dioxide is used
When amount is 1~2g/L, light-catalyzed reaction rate can be accelerated to the greatest extent, and ensure the ultraviolet light that ultraviolet lamp 10 is irradiated to
It will not be lost in the form of irreflexive, ultraviolet light once loses the effective work that can be unfavorable for photon in the form of irreflexive
With.
The ultraviolet wavelength of ultraviolet light irradiation in 200~400nm with best sterilizing ability, wherein with 260nm's
Sterilizing power is most strong.In order to improve germicidal efficiency, in the present embodiment technical solution, the ultraviolet wavelength of above-mentioned ultraviolet light irradiation is
365nm, irradiation intensity 16.5*100uW/cm2, and the time of photochemical catalyst effect is 15~30min.
The bottom of above-mentioned reactor 2 is equipped with aeration head 14, above-mentioned reactor 2 as a further improvement of the utility model,
Top be equipped with exhaust outlet 16, be aerated by aeration head 14 into reactor 2, control aeration quantity be 1L/min, i.e., one minute exposure
1 liter of gas, exhaust outlet 16 is used to discharge undissolved gas, keeps pressure inside and outside reactor 2 consistent.It is aerated into reactor 2, a side
Souring is played in face of quartz tube cover 12, effectively prevent deposit in 12 surface scale of quartz tube cover, influences the throwing of ultraviolet light
Penetrating property.On the other hand, containing dissolved oxygen after aeration in waste water, dissolved oxygen directly acts on titanium dioxide nanoparticle surface, with
The light induced electron that titanium dioxide nanoparticle surface generates reacts, and generates the higher superoxide radical of activity and hydroxyl free
Base, with the increase of oxygen in reaction solution, the surface of Oxygen Adsorption to titanium dioxide nanoparticle is conducive to light induced electron e-'s
Transfer to inhibit that theirs is compound, is generated more therewith so that separation is effectively performed in both hole and electron W and light induced electron e-
Superoxide radical and hydroxyl radical free radical, accelerate the photocatalysis oxidation reaction rate of nano-titanium dioxide, while increasing reaction solution
Mixability.In the present embodiment technical solution, preferably aeration quantity is 1L/min, being capable of the optimal light for accelerating nano-titanium dioxide
While catalytic oxidation rate, the power consumption of aeration head 14 is minimum.
In addition, Oxygen Adsorption is more advantageous to superoxide radical and hydroxyl on nano-titanium dioxide surface while aeration aerating
The generation of free radical further strengthens the effect of sterilizing, keeps sterilization more thorough.
Using the ultraviolet optical coupling titanium dioxide sterilization and disinfection device of the above structure, waste water enters reactor from water inlet 6
2, in reactor 2, to waste water sterilizing, the ultraviolet wavelength for controlling ultraviolet light irradiation is the ultraviolet light that ultraviolet lamp 10 irradiates
200~400nm, irradiation intensity 16.5*100uW/cm2；As the nanometer titanium dioxide of photochemical catalyst in nanometer titanium dioxide layer 8
Titanium particle absorbs ultraviolet light wave and light-catalyzed reaction occurs, and the time for controlling light-catalyzed reaction is 15~30min, nano-titanium dioxide
Dosage is 1~2g/L, and the aeration head 14 of the toxic compound in oxygenolysis waste water, above-mentioned 2 bottom of reactor is aerated, and control exposes
Tolerance is that the light induced electron that the dissolved oxygen in 1L/min waste water is generated with nano-titanium dioxide surface reacts, and generates super oxygen certainly
By base and hydroxyl radical free radical, accelerate the reaction rate of light-catalyzed reaction；It is useless after ultraviolet light coupled nanosecond titanium dioxide treatment
Water is exported from water outlet 4.
It in the present embodiment technical solution, is acted synergistically using ultraviolet light and titanium dioxide, ultraviolet light itself is sterilized well
Effect, while the Nano titanium dioxide particle for including in nanometer titanium dioxide layer has absorption, reflection and scattering ultraviolet light
Effect, makes the ultraviolet light wave of 200nm~300nm be reflected and be scattered in reactor 2, effectively improves ultraviolet light to waste water
Germicidal efficiency.Meanwhile Nano titanium dioxide absorbs ultraviolet light wave and light-catalyzed reaction occurs, and effectively improves disinfection effect,
It is simultaneously water and carbon dioxide by toxic compound direct oxidation inside germ not analysable in water.
It is aerated into reactor 2, souring on the one hand is played to quartz tube cover 12, effectively prevent deposit in quartz ampoule
12 surface scales are covered, the projectiveness of ultraviolet light is influenced.On the other hand, contain dissolved oxygen after aeration in waste water, dissolved oxygen is directly made
For titanium dioxide nanoparticle surface, the light induced electron generated with titanium dioxide nanoparticle surface reacts, and generates work
The higher superoxide radical of property and hydroxyl radical free radical, with the increase of oxygen in reaction solution, Oxygen Adsorption to nano-titanium dioxide
The surface of particle is conducive to the transfer of light induced electron e-, so that separation is effectively performed in both hole and electron W and light induced electron e-, from
And inhibit that theirs is compound, more superoxide radicals and hydroxyl radical free radical are generated therewith, and the light of nano-titanium dioxide is accelerated to urge
Oxidation rate, while increasing the mixability of reaction solution.
At the same time, while aeration aerating, Oxygen Adsorption is more advantageous to superoxide radical on nano-titanium dioxide surface
With the generation of hydroxyl radical free radical, the effect of sterilizing is further strengthened, keeps sterilization more thorough.
Embodiment described above is only preferred embodiments for fully illustrating the utility model, the utility model
Protection scope it is without being limited thereto.Those skilled in the art made equivalent substitute or change on the basis of the utility model
It changes, both is within the protection scope of the present invention.The protection scope of the utility model is subject to claims.
Claims (6)
1. a kind of ultraviolet optical coupling titanium dioxide sterilization and disinfection device, it is characterised in that: including reactor, the reactor is vertical
Setting, the upper and lower part of the reactor are respectively equipped with water outlet and water inlet, and the inner wall of the reactor is equipped with nanometer two
Titania coating, the reactor is interior to be equipped with ultraviolet lamp, and the ultraviolet lamp extends along the axis direction of reactor；
The bottom of the reactor is equipped with aeration head, and the top of the reactor is equipped with exhaust outlet.
2. ultraviolet optical coupling titanium dioxide sterilization and disinfection device as described in claim 1, it is characterised in that: outside the ultraviolet lamp
Equipped with quartz tube cover.
3. ultraviolet optical coupling titanium dioxide sterilization and disinfection device as described in claim 1, it is characterised in that: the nano-silica
Changing the nano-titanium dioxide dosage used in titanium coating as photochemical catalyst is 1~2g/L.
4. ultraviolet optical coupling titanium dioxide sterilization and disinfection device as claimed in claim 3, it is characterised in that: the nano-silica
Change titanium and carries out the time of photochemical catalyst effect as 15~30min.
5. ultraviolet optical coupling titanium dioxide sterilization and disinfection device as described in claim 1, it is characterised in that: the ultraviolet lamp shines
The ultraviolet wavelength penetrated is 200~400nm, irradiation intensity 16.5*100uW/cm2。
6. ultraviolet optical coupling titanium dioxide sterilization and disinfection device as claimed in claim 2, it is characterised in that: the aeration head
Aeration quantity is 1L/min.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820589259.8U CN208814707U (en) | 2018-04-24 | 2018-04-24 | Ultraviolet optical coupling titanium dioxide sterilization and disinfection device |
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| CN201820589259.8U CN208814707U (en) | 2018-04-24 | 2018-04-24 | Ultraviolet optical coupling titanium dioxide sterilization and disinfection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108328694A (en) * | 2018-04-24 | 2018-07-27 | 苏州方舟环境发展有限公司 | Ultraviolet optical coupling titanium dioxide sterilization and disinfection device and its method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108328694A (en) * | 2018-04-24 | 2018-07-27 | 苏州方舟环境发展有限公司 | Ultraviolet optical coupling titanium dioxide sterilization and disinfection device and its method |
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