CN109405116A - Air sterilization device - Google Patents
Air sterilization device Download PDFInfo
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- CN109405116A CN109405116A CN201811270445.6A CN201811270445A CN109405116A CN 109405116 A CN109405116 A CN 109405116A CN 201811270445 A CN201811270445 A CN 201811270445A CN 109405116 A CN109405116 A CN 109405116A
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- tank
- ozone
- sterilization device
- air
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/16—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by purification, e.g. by filtering; by sterilisation; by ozonisation
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L9/00—Disinfection, sterilisation or deodorisation of air
- A61L9/015—Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. ozone
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/20—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation
- F24F8/22—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation using UV light
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/40—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by ozonisation
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2209/00—Aspects relating to disinfection, sterilisation or deodorisation of air
- A61L2209/20—Method-related aspects
- A61L2209/21—Use of chemical compounds for treating air or the like
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2209/00—Aspects relating to disinfection, sterilisation or deodorisation of air
- A61L2209/20—Method-related aspects
- A61L2209/21—Use of chemical compounds for treating air or the like
- A61L2209/212—Use of ozone, e.g. generated by UV radiation or electrical discharge
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
Abstract
The present invention relates to air sterilization devices comprising: outer cover is formed with air flow circuit；Ozone generating unit generates ozone particle to supply to above-mentioned air flow circuit；Filter cylinder receives the ozone that generates in ozone generating unit the bubble containing ozone and hydroxyl radical free radical is discharged；Ultrasonic wave generating unit is connected to generate ultrasonic wave with filter cylinder；Blowing fan, for supplying air to the air flow circuit of outer cover；And power supply unit, for supplying the electric power for driving ozone generating unit, ultrasonic wave generating unit and blowing fan.
Description
Technical field
The present invention relates to the air sterilization devices with hydroxyl radical free radical generation device, in more detail, are related to passing through realization
Thus air sterilization device with the optimum condition for generating hydroxyl radical free radical (OH) simultaneously generates maximum hydroxyl within the unit time
Base free radical is various most effectively to remove carbon monoxide, sulfur dioxide, nitrogen dioxide as the polluter in air etc.
The air sterilization device of air pollutant or bacterium.
Background technique
With the development of industrialization and urbanization, the aggravation of population concentration phenomenon, the mankind breathe the dirt of required air daily
Dye problem is on the rise.The inevitable polluter being discharged to air to human hazard of the fossil fuel that the mankind use daily, virus
Or the aerial concentration such as pathogenicity fine material of bacterium etc. is also got higher, and people is caused to want that the hope for breathing clean air is got over
Hair is strong.The device used to meet this desire is air purifier or air sterilization device.
Include volatile organic compounds in contaminated air, and is attached in this volatile organic compounds mould
(ultra tiny bacterium class), bacterium usually inhabites in a humid environment as unicellular organism.If people's sucking is because from bacterium and mould
Volatile organic compounds and the spore of generation and the air being contaminated will then become the root of various diseases.Bacterium and mould
Allergy will be caused and cause systematic infection.Bacterium and mould cell wall, which play, avoids the outside by physical-chemical from attacking
The effect hit.
Mould or yeast has resistance to the Fungicidai mixtures between GramShi positive bacteria and GramShi negative bacteria.Together
The acarid class of sample, the external bone with chitin becomes indoor micronic dust in contaminated environment by inhabiting, thus to people
Body generates injury.The micronic dust of acarid class is in the research object for becoming field of biology always for centuries, so far,
Confirmation has 30000 kinds or more.
Polluter in air sucks and becomes the root of various diseases by people by breathing mostly, currently known
Play the role of most important being " hydroxyl radical free radical " during carrying out self-purification to polluter, hydroxyl radical free radical is
Eliminate the main decontamination agent (cleansing in the atmosphere of various pollutants matter such as carbon monoxide, sulfur dioxide, nitrogen dioxide
agent).Hydroxyl radical free radical in nature is present in sky with the density of 200~20,000,000 (every 1cc air, benchmark per second)
In gas.
In general, be currently being widely used air purifier and sterilizing unit be broadly divided into it is following several.
First way makes it by filter by the air of sucking purification object space and is inhaled by filter
Polluter in attached or decomposition air, this is the mode most generally used.In the case where this mode is used for a long time, need to determine
Phase is replaced with new filter, and this maintenance management is necessary, but due to the characteristic of filter and not perfect, thus adopts
The reliability of air purification ability in this way is not high.
The second way is to increase the mode of the ion concentration in air by using ion generating apparatus, currently employed
The air purifier of this mode only generates anion, although the effect for being purified and being sterilized by anion can reach centainly
Level, but anion discharge amount can not be accurately grasped, moreover, effect relevant to the planktonic bacteria in strength removal air
It is not high.
The third mode is the mode using plasmoid cluster ion (Plasma Cluster Ion, PCI) technology,
It here, will be using the plasma ions air purifying process by being carried out using plasma charge, that is, by being arranged into air
It puts anion and cation and carrys out decomposing harmful substances by the chemical reaction between the harmful substance in air or make nocuousness
Substance inactivation, to purify air.
But up to the present not yet accurately verify the plasma in the air purification process carried out in this way
The movable principles of chemistry of cluster ions moreover can not accurately analyze ion generation amount, thus the reliability of bactericidal effect
It is low, so far, positive effect, counter productive are not yet completely verified in microbiology angle.
There is following representative existing technical literature in air sterilization device field.
British patent Publication publication No. GB 2406275A1 (on 03 30th, 2005)
Japanese Laid-Open Patent Publication publication No. JP 2002-282346A (on October 02nd, 2002)
Summary of the invention
The present invention provides through the generation structure for realizing the optimum condition with generation hydroxyl radical free radical and thus in unit
Maximum hydroxyl radical free radical is generated in time most effectively to remove the carbon monoxide as the polluter in air, titanium dioxide
The air sterilization device of the various air pollutants such as sulphur, nitrogen dioxide or bacterium.
The air sterilization device of one embodiment of the invention includes: outer cover, is formed with air flow circuit；Ozone generating unit generates
Ozone particle to supply to above-mentioned air flow circuit；Filter cylinder receives the ozone that generates in above-mentioned ozone generating unit to be discharged containing smelly
The bubble of oxygen and hydroxyl radical free radical；Ultrasonic wave generating unit is connected to generate ultrasonic wave with above-mentioned filter cylinder；Blowing fan, for
The air flow circuit of above-mentioned outer cover supplies air；And power supply unit, for supplying for driving above-mentioned ozone generating unit, ultrasonic wave to produce
The electric power of life portion and blowing fan.
Outer cover includes: first flow path, for guiding the air supplied from said fan；Second flow path, for guiding filter
Gas in bubble caused by solution in cylinder；And third flow path, so that the air flowed in first flow path and second
Mixed gases in flow path.
The air sterilization device of one embodiment of the invention further include: photocatalytic material is coated on second flow path and third stream
At least one of road；And light source, it is configured at second flow path to irradiate 390nm ultraviolet light below to photocatalytic material.
The air sterilization device of one embodiment of the invention further includes being connected to supply to above-mentioned filter cylinder with ozone generating unit
The pump of a part of ozone.
Pump the portion of time that only works during the work of ozone generating unit, that is, only work per hour 5 minutes to 10 minutes.
The filter cylinder of the air sterilization device of one embodiment of the invention includes: tank, for accommodating solution；Diffuser, with pump phase
Connection carrys out the ozone supply into solution；And evaporation part, absorbent solution simultaneously make solution boils.
The filter cylinder of the air sterilization device of another embodiment of the present invention includes: the first tank, for accommodating solution；Second tank；
Diffuser, the lower part ozone supply being connected with pump to the first tank；Connecting tube, with the top of the first tank and the lower part of the second tank
The gas being connected into the solution that the second tank supplies the first tank；And evaporation part, the solution of the second tank is absorbed to make solution
Vaporization.
Tank includes the slot for accommodating ultrasonic wave generating unit.
Evaporation part selected from including one of cellulose, paper and sponge group by forming.
Filter cylinder further includes membrane filter, and above-mentioned membrane filter keeps the gas logical to being formed by through hole in tank and coated
It crosses, and solution can not then pass through.
A part of evaporation part is configured in tank, and remaining a part is configured at the outside of tank.
In order to cover the interior space of large area, air sterilization device of the invention is generated by a variety of reactions to be stablized, measures
Sufficient hydroxyl radical free radical in purification air and in terms of being sterilized shows the effect more more excellent than existing way, so as to
Comfortable living environment is presented.
Detailed description of the invention
Fig. 1 is the cross-sectional view for showing the internal structure of air sterilization device of one embodiment of the invention；
Fig. 2 is the upside perspective view of the internal structure of the air sterilization device of one embodiment of the invention from upside；
Fig. 3 is the underside perspective view of the internal structure of the air sterilization device of one embodiment of the invention from downside；
Fig. 4 is the perspective view of the filter cylinder of the air sterilization device of one embodiment of the invention；
Fig. 5 is the perspective view of the filter cylinder of the air sterilization device of another embodiment of the present invention；
The explanation of appended drawing reference
100: outer cover 110: first flow path
120: second flow path 130: third flow path
140: photocatalytic material 150: light source
200: ozone generating unit 300: filter cylinder
310: 311: the first tank of tank
312: the second tanks 330: evaporation part
360: membrane filter 400: ultrasonic wave generating unit
500: blowing fan 700: pump
710: ozone suction line 720: ozone supply pipe
Specific embodiment
Hereinafter, next centered on embodiment, the present invention will be described in detail.But the scope of the present invention is not limited to following
The attached drawing or embodiment referred in explanation.Attached drawing is used for the purpose of illustrating of the invention and progress show in various embodiments
The selection of example property.
In order to help to understand the present invention, each structural element and its shape in attached drawing etc. will be simplified or be amplified,
Structural element in actual product can be omitted without all showing.Therefore, attached drawing should be construed as improving to the present invention
Understanding.On the other hand, identical appended drawing reference is assigned to the element for playing phase same-action in attached drawing.
Throughout the manual, when indicating some part with other parts " being connected ", this not only includes " directly connecting
Connect " the case where, include the case where that other devices, which are arranged, in centre comes " electrical connection ".Also, when some part " comprising " of expression
When some structural element, as long as no the description especially to conflict, this, which will imply that, may also include other structures element, and not arrange
Except other structures element.
In the present specification, first, second, third, etc. can be used during being illustrated to various structures element
Term, it is not intended that this structural element is limited by above-mentioned term.The purpose of above-mentioned term is to a structure
Element and other structures element distinguish.For example, in the case where not departing from interest field of the invention, first structure element
It can be named as the second structural element or third structural element etc., similarly, the second structural element or third structural element can also
Exchange title.
Also, in the case where being recorded as some layer or structural element is located at " top " of another layer or structural element, this
Mean to include that some above-mentioned layer or structural element are configured in a manner of directly contacting with above-mentioned another layer or structural element
The case where and the case where configured in such a way that other layers are set therebetween.
Hereinafter, being illustrated referring to attached drawing to the air sterilization device of one embodiment of the invention.
Fig. 1 is the cross-sectional view for showing the internal structure of air sterilization device of one embodiment of the invention, and Fig. 2 is to see from upside
The upside perspective view of the internal structure of the air sterilization device of one embodiment of the invention is examined, Fig. 3 is the present invention one from downside
The underside perspective view of the internal structure of the air sterilization device of embodiment, Fig. 4 are the air sterilization device of one embodiment of the invention
Filter cylinder perspective view.
Referring to figs. 1 to Fig. 4, the air sterilization device of one embodiment of the invention includes: outer cover 100, is formed with air flow circuit；
Ozone generating unit 200, electrode generate ozone particle to supply to air flow circuit；Filter cylinder 300 is received and is produced in ozone generating unit 200
Raw ozone is discharged the bubble containing ozone and hydroxyl radical free radical；Ultrasonic wave generating unit 400 is connected to produce with filter cylinder 300
Raw ultrasonic wave；Blowing fan 500, for supplying air to the air flow circuit of outer cover 100；And power supply unit (not shown), for supplying
To for driving the electric power of ozone generating unit 200, ultrasonic wave generating unit 400 and blowing fan 500.
Outer cover 100 includes: first flow path 110, for guiding the air supplied from blowing fan 500；Second flow path 120 is used
It is guided in the gas in bubble generated in the pure water in pure water filter cylinder；And third flow path 130, so that
The mixed gases in air and second flow path 120 flowed in one flow path 110.The sectional area of first flow path 110 is with separate
Blowing fan gradually becomes smaller, the sectional area of second flow path 120 it is a part of constant, but become larger with close to first flow path 110.
The sectional area of third flow path 130 becomes larger with principle first flow path 110 and second flow path 120.Air is in first flow path 110
In flowed in a manner of sinuous flow (Turbulent Flow), flowed in a manner of laminar flow (Laminar Flow) in third flow path 130.
Produced by air in first flow path 110 is sucked by Venturi effect in the bubble in second flow path 120
Gas.
Photocatalytic material 140 is (for example, TiO2) it is coated at least one of second flow path 120 and third flow path 130
Inner wall.
Light source 150 (for example, ultraviolet LED (UV (Ultra Violet) LED)) is configured at second flow path 120
To irradiate 390nm ultraviolet light below to photocatalytic material, thus with the gas by second flow path 120 and third flow path 130
Included in hydrogen peroxide (H2O2) generate reaction, Lai Shengcheng hydroxyl radical free radical (2OH-).
Ozone generating unit 200 is connected with first flow path 110, is fed through high voltage to first flow path 110 always and generates
Ozone.
The air sterilization device of one embodiment of the invention may include for being dropped in 200 institute of ozone generating unit to filter cylinder 300
The pump 700 of a part of ozone generated.
Pump 700 is generated by the sucking of ozone suction line 710 being connected with ozone generating unit 200 in ozone generating unit 200
A part of ozone supplied to filter cylinder 300 by the ozone supply pipe 720 being connected with filter cylinder 300.
Pump 700 only works portion of time within the working time of ozone generating unit 200, for example, only working per hour 5 points
Clock was to 10 minutes, with this to 300 ozone supply of filter cylinder.Sufficient hydrogen peroxide can be generated in filter cylinder 300 as a result, can be prevented
The case where making the production quantity of hydroxyl radical free radical tail off because excessively putting into ozone to filter cylinder 300.
Referring to Fig. 4, the filter cylinder 300 of one embodiment of the invention includes: tank 310, for accommodating solution；Diffuser 320 is and smelly
Oxygen supply pipe 720 is connected the ozone supply into solution；And evaporation part 330, absorbent solution is to make solution boils and to
The flowing of two flow paths 120.
A part of evaporation part 330 is by being formed in the first through hole 340 of tank 310 come to the outside as tank 310
Expose in second flow path 120, remaining a part is configured in tank 310.
330 absorbent solution of evaporation part simultaneously supplies a part of solution to second flow path 120 with gaseous state.Evaporation part 330 by
Hygroscopic materials are formed, for example, by being formed selected from including one of cellulose, paper and sponge group.
Also, filter cylinder 300 may include by being formed in tank 310 come the slot 350 for accommodating ultrasonic wave generating unit 400.
Filter cylinder 300 may also include membrane filter 360, and membrane filter 360 is formed by the second through hole 341 in tank 310
It is coated pass through the gas in the bubble from solution, and solution can not then pass through.Filter cylinder 300 may include for putting into
Solution and the solution input port 342 being covered by lid.
The aquae hydrogenii dioxidi that the solution of filter cylinder 300 is pure water (DI:Deionized water) or concentration is 1%.In filter cylinder
In the insufficient situation of solution in 300, openable lid to supply pure water or hydrogen peroxide again by solution input port 342
Water.
Membrane filter 360 may include having about 1,400,000,000/cm2Stomata and by polytetrafluoroethylene (PTFE)
Multiple films that (polytetrafluoroethylene, ePTFE) is formed.For example, membrane filter 360 can be Golders.
Referring to Fig. 5, the filter cylinder 300 of another embodiment of the present invention includes: the first tank 311 and the second tank 312, molten for accommodating
Liquid；Diffuser 320, the lower part ozone supply being connected with ozone supply pipe 720 to the first tank 311；Connecting tube 321, with
The top of one tank 311 be connected with the lower part of the second tank 312 to the second tank 312 supply the first tank 311 solution in gas；
And evaporation part 330, the solution of the second tank 312 is absorbed to make solution boils and supply into second flow path 120.
A part of evaporation part 330 is by being formed in the first through hole 340 of the second tank 312 come to as the second tank 312
Outside second flow path 120 in expose, remaining a part is configured in the second tank 312.
Evaporation part 330 supplies a part of solution to second flow path 120 with gaseous state by absorbent solution.Evaporation part
330 are formed by hygroscopic materials, for example, by being formed selected from including one of cellulose, paper and sponge group.
Also, filter cylinder 300 may include being formed at least one of the first tank 311 and the second tank 312 to accommodate ultrasonic wave
The slot 350 of generating unit 400.
Filter cylinder 300 may also include membrane filter 360, and membrane filter 360 is formed by the second through hole in the second tank 312
341 are coated pass through the gas in the bubble from solution, and solution can not then pass through.Filter cylinder 300 may include being used for
The solution input port 342 for putting into solution at least one of the first tank 311 and the second tank 312 and being covered by lid.
Ultrasonic wave generating unit 400 is inserted in the slot 350 of filter cylinder 300 to generate ultrasonic wave.Ultrasonic wave generating unit 400 pass through to
Solution in tank applies ultrasonic wave to decompose the water as solution, to generate OH-/H+Deng free radical.Ultrasonic wave generating unit
400 applied by generating ultrasonic wave of the frequency between 15Khz~10Mhz into air, to make acarid, ferment, enzyme
Skeleton tender.
Hereinafter, illustrating that the air sterilization device of one embodiment of the invention generates the movement of hydroxyl radical free radical referring to attached drawing.
Table 1 is table relevant to the generating principle of hydroxyl radical free radical of air sterilization device generation through the invention.
Table 1
Referring to figs. 1 to Fig. 4, filter cylinder 300 includes the solution supplied by solution input port 342, such as pure water.Pump 700 is logical
The sucking of ozone suction line 710 is crossed to come through ozone supply pipe 720 in a part of ozone that ozone generating unit 200 generates to filter cylinder
300 supplies.
The ozone supplied to filter cylinder 300 20 DEG C at a temperature of be dissolved in as the pure of solution using the solubility of 570mg/L
Water.Pump 700 using the speed of 3mg/hr to filter cylinder 300 put into ozone come pure water in the solution as filter cylinder 300 to ozone into
In the case where 10 minutes foameds of row, the ozone entered in solution reaches 0.5mg.Solution in filter cylinder 300 is 50mL
In the case where, the ozone in solution reaches 0.5mg, and the ozone of 0.01mg is dissolved in the solution of every 1mL, molten in the water of every 1L
Solve the ozone of 0.01g.
If being dissolved in solution in 20 DEG C of at a temperature of 20 minutes ozone of investment with the amount of 0.25mg.In the case,
In the case that solution in filter cylinder 300 is 50mL, the concentration for being dissolved in the ozone of solution is up to 0.005mg/mL.This
Under state, if the concentration of ozone will halve by 20 minutes, reach 0.0025mg/mL, using 20 minutes, then ozone
Concentration will halve again, reach 0.00125mg/mL.After 1 hour, the concentration of the ozone dissolved is up to
1.25mg/l.This ozone concentration is reacted with water generation enough to generate the amount of hydrogen peroxide.
By reaction equation as described above, ozone generates hydroxyl radical free radical by reacting with water generation.
Reaction equation 1:O3+H2O→H2O2+O2
Reaction equation 2:O3+H2O2→OH-+HO2 ++O2
Indicate that two reactions are then with a reaction equation,
Reaction equation 3:2O3+H2O→2O2+OH-+HO2 +
Also, HO2 ++O2→2O2+OH-→3O3+H2O→4O2+2OH-
Filter cylinder 300 generates hydroxyl radical free radical by two chain reactions.
Firstly, ozone and water generate reaction to generate hydrogen peroxide and generate oxygen.Then, hydrogen peroxide generated and smelly
Oxygen generates reaction to generate two kinds of free radical OH-And HO2 +.In the peroxide that the desalted water as the solution in filter cylinder 300 includes 1%
In the case where changing hydrogen, above two free radical and oxygen are quickly generated by reacting with the ozone generation put into filter cylinder 300.
On the other hand, in the case where ozone and air are flowed into filter cylinder, air will include nitrogen, will be in solution and ozone
Generate differential responses.Firstly, nitrogen and impurity are oxidized to form nitric acid and be dissolved in the solution of filter cylinder 300.Then, smelly
Oxygen and water generate reaction to generate oxygen and hydroxyl radical free radical according to reaction equation.
Referring to Fig. 5, the filter cylinder 300 of another embodiment of the present invention includes: the first tank 311 and the second tank 312, molten for accommodating
Liquid；Diffuser 320, the lower part ozone supply being connected with ozone supply pipe 720 to the first tank 311；Connecting tube 321, with
The top of one tank 311 be connected with the lower part of the second tank 312 to the second tank 312 supply the first tank 311 solution in gas；
And evaporation part 330, the solution of the second tank 312 is absorbed to make solution boils and supply into second flow path 120.
Firstly, pump 700 sucks a part of ozone generated in ozone generating unit 200 by ozone suction line 710 to pass through
Ozone supply pipe 720 is supplied to the first tank 311 of filter cylinder 300, to generate foam.Nitrogen and impurity are reacted with ozone generation
Come so that the substance being oxidized is dissolved as nitric acid in the pure water of the solution as the first tank 311.
Then, the clean ozone being discharged from the first tank 311 is supplied by connecting tube 321 to the second tank 312.Remove impurity
Ozone generate oxygen and hydroxyl radical free radical (2O by reacting with the water generation in the second tank 3122+OH-+HO2+)。
By this process, as shown in table 1, generated in filter 300 through ozone, hydrogen peroxide and water generation
Free radical (O2+OH-+HO2+) (referring to the free radical recorded in the second row of third column the first row and third column).
Then, the evaporation part 330 of filter cylinder 300 is supplied by absorbing water vapour (and/or hydrogen peroxide) to second flow path 120
It gives.
Also, the membrane filter 360 of filter cylinder 300 is supplied to second flow path 120 as from by the molten of the second through hole 341
Oxygen, ozone and the free radical (OH of the gas generated in the bubble of liquid-、H+、O-、HO2 +)。
Water vapour (and/or hydrogen peroxide), oxygen and the ozone supplied to second flow path 120 passes through 140 (example of photocatalytic material
Such as, TiO2) and light source 150 (for example, ultraviolet LED) generate reaction to generate hydroxyl radical free radical (2OH-) (referring to note
The free radical of the first row and secondary series that are loaded in table 1).
Blowing fan 500 makes the air put into first flow path 110 and the ozone being discharged from ozone generating unit 200 mixed
It closes.The air mixed during through first flow path 110 with ozone generates text during by second flow path 120
Effect in mound, come mixed with water vapour (and/or hydrogen peroxide), ozone and the hydroxyl radical free radical in second flow path 120 and to
The supply of third flow path.
To third flow path 130 supply water vapour (and/or hydrogen peroxide) and ozone by photocatalytic material 140 (for example,
TiO2) and light source 150 (for example, ultraviolet LED) generate reaction to generate hydroxyl radical free radical (2OH-) (reference is recorded in
The free radical of first row and secondary series in table 1).
On the other hand, the ultrasonic wave generating unit 400 being inserted into the slot 350 of filter cylinder 100 decomposes filter by generating ultrasonic wave
Water in cylinder 300, thus generates OH-/H+Deng free radical, and by first flow path 110, second flow path 120 and third flow path
Water vapour (and/or hydrogen peroxide) is set to generate vibration in 130 to generate hydroxyl radical free radical (referring to the 6th column being recorded in table 1
Free radical).
The hydroxyl radical free radical and the external of the third flow path 130 in the same direction of air one generated by process as described above is discharged.
Air sterilization device of the invention generates ozone in ozone generating unit 200, but to being discharged outside third flow path 130
Ozone concentration will be controlled according to the regulation of UL 867 in dangerous item station range 0.001ppm~0.05ppm.
In particular, ozone generating unit 200 generate ozone by physical-chemical chain reaction come with filter cylinder 300 in it is molten
Liquid and ultraviolet light generate reaction, and ultrasonic wave generating unit 400 decomposes hydrone and empathizes, and pass through what is supplied from blowing fan 500
Air dilutes ozone, can be substantially reduced ozone concentration by means of the reaction that ultraviolet light source and photocatalytic material generate.
So that ozone is reaching 0.0001g from the position that the third flow path 130 of air sterilization device of the invention is separated by 5cm
The mode of the range of~0.5g adjusts blowing fan 500 and ozone generating unit 200.By adjust blowing fan 500 wind speed come so that
The mode that hydrogen peroxide number reaches 0.001g~0.5g range is vaporized, and discharges 500000~20000000 hydroxyls with every cc
The mode of free radical is adjusted.
According to the normal concentration benchmark (WEL) of hydroxyl radical free radical, every 1.4mg/m3The hydroxyl that the hydrogen peroxide of (1ppm) generates
The amount of base free radical is (1.4mg/m3)/(34g/mol)=0.0000411moles/m3。
Due to 0.0000411moles/m3×6.23×1023=2.56 × 1019molecules/m3If a thus mistake
It aoxidizes hydrogen molecule and generates two hydroxyl radical free radical molecules, then the maximum emission of hydroxyl radical free radical is 2.56 × 1019× 2=5.12
×1019/m3, that is, 5.12 × 1013/mL。
Air sterilization device of the invention produces (0.008mols) × (6.023 × 10 because of hydrogen peroxide23) × 2=
9.63×1021A hydroxyl radical free radical.If continuing working device 60 days, 1.6 × 10 will be obtained per per day20A hydroxyl
Free radical.
When the space for configuring air sterilization device of the invention is set as 300m3, due to hydrogen peroxide will generate 1.6 ×
1020A/1 day/300m3=5.33 × 1017A/1m3/ 1 day, it is equivalent to 5.33 × 1011ML/ days, this was far from reaching above-mentioned
Effluent standard limit.
Therefore, air sterilization device of the invention will generate a large amount of hydroxyl certainly by the ozone by a variety of coordinates measurements
By base.
Ozone generating unit 200 is generated by generating ozone by high voltage circuit and the ceramic electrode of controller driving
Ozone be led to inside filter cylinder 300 by pump 700, bubble will be generated in filter cylinder 300.Also, in order to because of ozone and
Reaction between water and caused by the hydroxyl radical free radical production quantity based on hydrogen peroxide supplemented, ozone generating unit 200 will be held
Continue to 110 ozone supply of first flow path.Also, ozone also is generated inside filter cylinder 300.
On the other hand, if the O being inhaled by the air stream in second flow path 120-Free radical and oxygen molecule and ozone exist
Second flow path 120 and third flow path 130 as the reaction compartment where photocatalytic material and LED light source are converged, then make
The ozone and aquae hydrogenii dioxidi that filter cylinder 300 generates more effectively play a role in terms of generating hydroxyl radical free radical.Also, in conduct
The sinuous flow (TurbulentFlow) of the air generated in the second flow path 120 and third flow path 130 of reaction compartment will be helpful to smelly
Oxygen and hydrogen peroxide are sufficiently mixed.
In order to play help in all hydroxyl radical free radical generating process, ultrasonic wave generating unit 400 converts electrical energy into machine
Tool can come to apply ultrasonic wave to filter cylinder 300.Apply ultrasonic wave by the solution into filter cylinder 300, so that water is resolved into work to generate
For OH-/H+Deng free radical strength oxidant physics-chemical reaction.
Thus obtained free radical with generated by the decomposable process of ozone other free radical groups (water vapour, oxidation water,
Ozone, oxygen etc. are along being vapor-deposited with photocatalytic material (TiO2) second flow path 120 and third flow path 130 and one cocurrent flow of air stream
The free radical for entering and being generated by the chain reaction between 390nm ultraviolet light below) it generates and reacts, and make to thus generate
Hydroxyl radical free radical be injected into air.
Air sterilization device of the invention is in order to enable hydroxyl radical free radical and anion generated together as far as possible to width
Wide space is scattered, to the outside drain of third flow path 130 in a manner of laminar flow.
Also, the surplus of the solution or water of air sterilization device of the invention in filter cylinder 300 reaches specified amount or more
In the case of work, if level below the prescribed amount, without working and showing caution sign.
For this purpose, although it is not shown, but air sterilization device of the invention can filter cylinder 300 further include light source, reflecting part and
The detecting means of reflecting part are set to, above-mentioned detecting means are detected to from light source sending and in the light that reflecting part reflects.
Light quantity will be made to reduce if light is reciprocal in the solution or water in filter cylinder, the case where solution in filter cylinder is reduced
Under, the received light quantity of detecting means will increase, and thus will remind need to put into again solution or need to change filter cylinder.
More than, it is merely preferred embodiments of the present invention, but the protection scope invented is not limited thereto, it is any ripe
Know those skilled in the art in the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of, should all contain
Lid is within protection scope of the present invention.Therefore, the scope of protection of the invention shall be subject to the scope of protection specified in the patent claim.
Claims (15)
1. a kind of air sterilization device characterized by comprising
Outer cover is formed with air flow circuit；
Ozone generating unit generates ozone particle to supply to above-mentioned air flow circuit；
Filter cylinder receives the ozone that generates in above-mentioned ozone generating unit the bubble containing ozone and hydroxyl radical free radical is discharged；
Ultrasonic wave generating unit is connected to generate ultrasonic wave with above-mentioned filter cylinder；
Blowing fan, for supplying air to the air flow circuit of above-mentioned outer cover；And
Power supply unit, for supplying for driving above-mentioned ozone generating unit, ultrasonic wave generating unit and the electric power of blowing fan.
2. air sterilization device according to claim 1, which is characterized in that above-mentioned outer cover includes:
First flow path, for guiding the air supplied from said fan；
Second flow path, for guiding the gas in bubble caused by the solution in above-mentioned filter cylinder；And
Third flow path, so that the mixed gases in the air and above-mentioned second flow path that are flowed in above-mentioned first flow path.
3. air sterilization device according to claim 2, which is characterized in that further include:
Photocatalytic material is coated at least one of above-mentioned second flow path and above-mentioned third flow path；And
Light source is configured at the ultraviolet light that above-mentioned second flow path to be less than to above-mentioned photocatalytic material illumination wavelength 390nm.
4. air sterilization device according to claim 1, which is characterized in that further include being connected with above-mentioned ozone generating unit
To supply the pump of a part of ozone to above-mentioned filter cylinder.
5. air sterilization device according to claim 4, which is characterized in that said pump works the phase in above-mentioned ozone generating unit
Between only work portion of time.
6. air sterilization device according to claim 4, which is characterized in that above-mentioned filter cylinder includes:
Tank, for accommodating solution；
Diffuser, be connected the ozone supply into solution with said pump；And
Evaporation part, absorbent solution simultaneously make solution boils.
7. air sterilization device according to claim 6, which is characterized in that above-mentioned tank includes for accommodating above-mentioned ultrasonic wave
The slot of generating unit.
8. air sterilization device according to claim 6, which is characterized in that above-mentioned evaporation part by selected from including cellulose,
One of group of paper and sponge is formed.
9. air sterilization device according to claim 6, which is characterized in that above-mentioned filter cylinder further includes membrane filter, above-mentioned
Membrane filter is passed the gas through to being formed by through hole in above-mentioned tank and coated, and solution can not then pass through.
10. air sterilization device according to claim 6, which is characterized in that a part of above-mentioned evaporation part is configured at
It states in tank, remaining a part is configured at the outside of above-mentioned tank.
11. air sterilization device according to claim 4, which is characterized in that above-mentioned filter cylinder includes:
First tank, for accommodating solution；
Second tank；
Diffuser, the lower part ozone supply being connected with said pump to above-mentioned first tank；
Connecting tube is connected to above-mentioned second tank supply above-mentioned the with the lower part on the top of above-mentioned first tank and above-mentioned second tank
Gas in the solution of one tank；And
Evaporation part absorbs the solution of above-mentioned second tank to make solution boils.
12. air sterilization device according to claim 11, which is characterized in that in above-mentioned first tank and above-mentioned second tank
At least one includes the slot for accommodating above-mentioned ultrasonic wave generating unit.
13. air sterilization device according to claim 11, which is characterized in that above-mentioned filter cylinder further includes membrane filter, on
It states membrane filter and passes the gas through to being formed by through hole in above-mentioned second tank and coated, and solution can not then pass through.
14. air sterilization device according to claim 11, which is characterized in that a part of above-mentioned filter cylinder is configured at above-mentioned
In second tank, remaining a part is configured at the outside of above-mentioned second tank.
15. air sterilization device according to claim 1, which is characterized in that generate frequency in above-mentioned ultrasonic wave generating unit
Ultrasonic wave between 15Khz~10Mhz.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811270445.6A CN109405116A (en) | 2018-10-29 | 2018-10-29 | Air sterilization device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811270445.6A CN109405116A (en) | 2018-10-29 | 2018-10-29 | Air sterilization device |
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| WO2002078754A1 (en) * | 2001-03-30 | 2002-10-10 | L2B Environmental Systems Inc. | Air purifier |
| CN102105403A (en) * | 2007-09-26 | 2011-06-22 | 财团法人北九州产业学术推进机构 | Process for producing water having redox activity and apparatus for producing water having redox activity |
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