CN208492764U - A kind of medical air sterilizing and purifying device and its air disinfection and purification system - Google Patents
A kind of medical air sterilizing and purifying device and its air disinfection and purification system Download PDFInfo
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- CN208492764U CN208492764U CN201721505749.7U CN201721505749U CN208492764U CN 208492764 U CN208492764 U CN 208492764U CN 201721505749 U CN201721505749 U CN 201721505749U CN 208492764 U CN208492764 U CN 208492764U
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Abstract
The utility model discloses a kind of medical air sterilizing and purifying device and its air disinfection and purification systems, wherein medical air sterilizing and purifying device includes shell and is mounted on the intracorporal filter core of shell, shell includes mounting bracket, multiple spaced grooves are formed in mounting bracket, filter core is arranged in the groove of mounting bracket, filter core includes at least antimicrobial filtering layer, antimicrobial filtering layer includes aluminium alloy ontology, the outer surface of aluminium alloy ontology is formed with multiaperture pellumina, antibacterial metal layer is deposited in the duct of multiaperture pellumina, when air and antimicrobial filtering layer contact, antimicrobial filtering layer can kill the bacterium in air with virus to provide clean air.In the medical air sterilizing and purifying device of the utility model, Antibacterial aluminum alloy has good anti-microbial property, on aluminium alloy layer in medical air sterilizing and purifying device, the antibiotic and sterilizing acting duration of antibacterial metal depositing homogeneous, firm stable, aluminium alloy is long and antibiotic and sterilizing rate is up to 99.99%.
Description
Technical field
The utility model belongs to medical air sterilizing and purifying device technical field, more particularly to a kind of with antibacterial, sterilization
The medical air sterilizing and purifying device and its air disinfection and purification system of function.
Background technique
A set of independent air processing system that air disinfection and purification system is made of supply air system and exhaust system, including
Pipeline type air disinfection and purification system and without pipeline air disinfection and purification system both of which.Pipeline type air disinfection and purification system
It is made of medical air sterilizing and purifying device and pipe fitting, is entered by medical air sterilizing and purifying device clean room outer space conductance
Room air is discharged by pipeline for interior；No pipeline air disinfection and purification system is made of medical air sterilizing and purifying device,
Interior is equally entered by medical air sterilizing and purifying device clean room outer space conductance.Comparatively pipeline type air disinfection and purification system
Since project amount is more suitable for greatly industry or the use of large area Office Area, and without pipeline air disinfection and purification system because of installation side
Just, it is more suitable for family's use.
In air disinfection and purification system, medical air sterilizing and purifying device is a kind of effective air cleaning facility, energy
So that room air is generated circulation, outdoor on the one hand is discharged in the air of foul indoor, on the other hand outdoor ozone
After the measures such as filtering, sterilization, disinfection, then it is input to interior, to remove main bacteria and air pollutants, such as PM2.5, powder
Bacterium, anaphylactogen of dirt, pollen, peculiar smell, formaldehyde etc etc., allow all be all the time in room fresh clean air.
Common air purifying process has: adsorption technology, negative (just) ion technology, catalysis technique, photocatalyst technology, superjunction
Structure light mineralising technology, HEPA high efficiency filter technology, electrostatic precipitation technology etc.；Material technology mainly has: photocatalyst, active carbon, conjunction
At fiber, the efficient material of HEAP, anion generator etc..
Although existing medical air sterilizing and purifying device can filter main particle, dust, bacterium, virus are resisted
Ability is poor, and medical air sterilizing and purifying device can adhere to a large amount of harmful bacteria and virus, Medical air after a period of use
The breeding ground that filter core in gas sterilizing and purifying device becomes bacterium indirectly, virus is bred, influences room air, damages human health.
Contaminated filter core not only will increase indoor humidity, at the same also can become fungi, spore, bacteria breed breeding ground, it is both right in this way
Health is unfavorable, can also generate niff, and the air of foul indoor can also allow people to generate feeling of fatigue.Interior peculiar smell, bacterium etc.
Toxic and harmful gas will directly endanger our health, suck these pernicious gases, can make one to feel headache, dizzy, chest
Bored, Nausea and vomiting, or even induce respiratory disease.
Therefore, this field needs to research and develop a kind of medical air sterilizing and purifying device of included disinfection function and air disappears
Malicious purification system makes medical air sterilizing and purifying device have efficient, lasting sterilization poison resistance.
Utility model content
To solve above-mentioned the problems of the prior art, the utility model provide a kind of medical air sterilizing and purifying device and
Its air disinfection and purification system, to improve and improve the antibacterial of medical air sterilizing and purifying device and its air disinfection and purification system
Antivirus performance, to provide more clean air for user.
To achieve the above object, the medical air sterilizing and purifying device of the utility model and its air disinfection and purification system
Specific technical solution is as follows:
A kind of medical air sterilizing and purifying device, including shell include installation branch with the intracorporal filter core of shell, shell is mounted on
Frame is formed with multiple spaced grooves in mounting bracket, and filter core is arranged in the groove of mounting bracket, and filter core includes at least
Antimicrobial filtering layer, antimicrobial filtering layer include aluminium alloy ontology, and the outer surface of aluminium alloy ontology is formed with multiaperture pellumina, porous
Antibacterial metal layer is deposited in the duct of pellumina, when air is contacted with antimicrobial filtering layer, antimicrobial filtering layer can kill sky
Bacterium and virus in gas is to provide clean air.
Further, duct unit born of the same parents' quantity in multiaperture pellumina on unit area is 70-100 × 109/cm2, unit
Duct parameter in born of the same parents are as follows: 1-100 microns of hole depth, aperture is 10-50 microns, is deposited in the duct of multiaperture pellumina anti-
Bacterium metal, the partial size for being deposited on the antibacterial metal in multiaperture pellumina duct is 1-100 nanometers.
Further, duct unit born of the same parents' quantity on multiaperture pellumina unit area is 80-90 × 109/cm2, unit born of the same parents
In hole parameter are as follows: hole depth be 60-80 micron, aperture be 40-50 microns, the antibacterial being deposited in multiaperture pellumina duct
The partial size of metal is 20-50 nanometers.
Further, the antibacterial metal of deposition includes silver, silver oxide, copper and copper oxide, wherein silver element and copper
Mass ratio is 6-7:2-3.
Further, the groove formed in mounting bracket is V-groove, and filter core includes multiple V-type filters, multiple V of filter core
Type filter is assembled into respectively in the V-groove of mounting bracket.
Further, the groove formed in mounting bracket be V-groove, filter core in triangle it is corrugated, filter core include it is multiple each other
Connected V-type filter.
Further, the filtering surface of antimicrobial filtering layer is grid-shaped or honeycomb is netted, and antimicrobial filtering layer includes side frame and inserts
Contact pin, the side of insert-connecting plate are formed with multiple spaced ridges, gap, multiple insert-connecting plates pair are formed between adjacent ridge
Eye-splice is installed in side frame to form antimicrobial filtering layer after closing.
Further, filter core further includes the first filter layer for filtering suspended particulates and for the second of filtering noxious gas
Filter layer, the first filter layer, the second filter layer and antimicrobial filtering layer are cascading, and air is filtered out through the first filter layer
Enter in the second filter layer after suspended particulates, and in the filtering noxious gas of the second filter layer, air is through the first filter layer and the
Enter in antimicrobial filtering layer after the filtering of two filter layers and carries out sterilizing.
Further, the structure of the first filter layer and the second filter layer, shape are identical as antimicrobial filtering layer.
Another aspect according to the present utility model provides a kind of air disinfection and purification system, the air disinfection and purification system
System includes above-mentioned medical air sterilizing and purifying device and air exhausting device, medical air sterilizing and purifying device and air exhausting device respectively with
Indoor connection, outdoor air enter the room after medical air sterilizing and purifying device filtration, purification, then pass through air exhausting device
From indoor discharge.
In the medical air sterilizing and purifying device of the utility model, Antibacterial aluminum alloy has good anti-microbial property, medical
Air disinfection and purification equipment and its air disinfection and purification system structure are simple, low in cost.In medical air sterilizing and purifying device
Aluminium alloy layer on, the antibiotic and sterilizing acting duration of antibacterial metal depositing homogeneous, firm stable, aluminium alloy is long and antibacterial is killed
Bacterium rate is up to 99.99%.Multiaperture pellumina improves the corrosion resistance of aluminium alloy, and the long-time service of electrolytic deposition liquid will not
Insoluble deposition is precipitated, it is highly stable.
The medical air sterilizing and purifying device and its air disinfection and purification system of the utility model are particularly suitable for hospital, vehicle
It stands or other flows of the people are big, hygienic requirements is high environment.In medical air sterilizing and purifying device, outermost is located at by setting
HEPA filter mesh layer, the solid impurities such as dust, pollen, the abrasive grains in air can be filtered out first；By being arranged in centre
Active carbon layer, may filter that moisture content, coal smoke, ozone, peculiar smell, oxycarbide, the SO in air2、CO2Deng new to indoor offer
Fresh air avoids indoor occupant from sucking pernicious gas；By the way that the silver-colored catalyst layer of inside is arranged in, strong bactericidal disinfecting, deodorizing is provided
Performance guarantees indoor air clean without breeding bacterium.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the air disinfection and purification system of the utility model；
Fig. 2 is the perspective view of the medical air sterilizing and purifying device of the utility model；
Fig. 3 is the structural schematic diagram for the filter core being arranged in medical air sterilizing and purifying device mounting bracket；
Fig. 4 is the top view of filter core in Fig. 3；
Fig. 5 is the filtering surface structural schematic diagram for being located at first filter layer in outside in filter core shown in Fig. 4；
Fig. 6 is to be located in the middle the second filtering surface structural schematic diagram for coming layer shown in Fig. 4 in filter core；
Fig. 7a-7c is the structural schematic diagram for being located at the antimicrobial filtering layer first embodiment of inside in filter core shown in Fig. 4；
Fig. 7 d is the structural schematic diagram for being located at the antimicrobial filtering layer second embodiment of inside in filter core shown in Fig. 4；
Fig. 8 be medical air sterilizing and purifying device in antimicrobial filtering layer, antimicrobial filtering layer include aluminium alloy ontology and its
The multiaperture pellumina that surface anodization is formed；
Fig. 9 is the multiaperture pellumina for being deposited with antibacterial metal；
Figure 10 is the method for manufacturing medical air sterilizing and purifying device and its aluminium alloy in air disinfection and purification system
Flow chart；
Figure 11-13 is the AC/DC pulse Current Voltage figure used in antibacterial metal deposition step；
Figure 14 is the aluminium alloy section high resolution scanning Electronic Speculum of deposition Ag-Cu in the porous oxide film of the utility model preparation
Figure；
Figure 15 is the X-ray energy point with the aluminium alloy of deposition Ag-Cu in porous oxide film of the utility model preparation
Dissipate spectrum；
Figure 16 is the relation schematic diagram of antibacterial metal partial size and antibacterial effect.
Specific embodiment
In order to be best understood from the purpose of this utility model, structure and function, with reference to the accompanying drawing, to the utility model
Medical air sterilizing and purifying device and its air disinfection and purification system do further detailed description.
As shown in Figure 1, the air disinfection and purification system of the utility model includes medical air sterilizing and purifying device 100 and row
Wind apparatus, medical air sterilizing and purifying device 100 and air exhausting device are connected to indoor respectively, and outdoor air disappears by medical air
Malicious cleaning equipment 100 enters the room after purifying, then from indoor discharge under the driving of air exhausting device, thus outer space in forming chamber
Gas circulates, for indoor constantly improve clean air.Above-mentioned medical air sterilizing and purifying device 100 is preferably provided at room
Outside, air exhausting device is preferably provided with indoors.
As shown in Fig. 2, medical air sterilizing and purifying device 100 includes shell and filter core 101, filter core 101 is mounted on installation
On bracket, shell is the cuboid of remaining face closure of being open on one side, after filter core 101 is assembled into mounting bracket, then will installation
Bracket and shell assembling are to form medical air sterilizing and purifying device 100.
As shown in figure 3, being formed with multiple spaced V-grooves in mounting bracket, filter core 101 is also V-shaped, multiple V-types
Filter core 101 is assembled into respectively in the V-groove of mounting bracket, is then covered bracket cover and is just completed to assemble.Preferably, as shown in figure 4,
Filter core 101 can also be in gear-like or corrugated, as triangle is corrugated namely filter core 101 includes multiple V-types being connected with each other
Portion.
As shown in figs. 4-7, filter core 101 includes a variety of filter layers for being stacked and being used cooperatively, such as the first filter layer,
Second filter layer and antimicrobial filtering layer etc..Outside air initially passes through the first filter layer and the second filter layer is micro- to remove dust
Grain, pollen etc., finally again by antimicrobial filtering layer, remaining a large amount of bacteriums and disease in air are resisted and killed to antimicrobial filtering layer
Poison more cleans reliable air to provide for user.
Specifically, filter core 101 includes the antimicrobial filtering layer 102, activated carbon filter layer 103 and (HEPA) being cascading
Particle filter layer 104, antimicrobial filtering layer 102, activated carbon filter layer 103 and (HEPA) particle filter layer 104 are from inside to outside successively
Arrangement, air successively pass sequentially through (HEPA) particle filter layer 104, activated carbon filter layer 103 and antimicrobial filtering layer 102,
Middle particle filter layer 104 filters out the solid impurities such as dust, pollen, abrasive grains in air, and activated carbon filter layer 103 can be inhaled
Moisture content, coal smoke, ozone, peculiar smell, oxycarbide, SO in attached air2、CO2Deng remaining thin in 102 pairs of air of antimicrobial filtering layer
Bacterium, virus are killed, by 3 filter layer mating reactions being rationally arranged, to provide the sky for more cleaning health for user
Gas.
Above-mentioned particle filter layer 104 is common HEPA filter screen, and structure is in V-character wave wave type, and particle filter layer 104 can
99% or more partial size is received to be greater than 0.3-1 microns of suspended particulates, it is main to remove airborne particulates pollutant, and can not
Filter out pernicious gas.Activated carbon filter layer 103 is netted in honeycomb, active carbon particle is provided on activated carbon filter layer 103, with mistake
Filter formaldehyde adsorption, SO2, some pernicious gases such as oxycarbide.
As alternative embodiment, filter core 101 includes the antimicrobial filtering layer 102 being stacked, HEPA filter mesh layer 103 and filter
Paper layer 104, antimicrobial filtering layer 102, HEPA filter mesh layer 103 and filter paper layer 104 are successively arranged from inside to outside, and air successively successively leads to
Filter paper layers 104, HEPA filter mesh layer 103 and antimicrobial filtering layer 102, wherein filter paper layer 104 filters out dust, flower in air
The solid impurities such as powder, abrasive grains, HEPA filter mesh layer 103 filter out the pernicious gases such as formaldehyde, oxycarbide in air, antibacterial
Filter layer 102 kills bacterium remaining in air, virus, by 3 filter layer mating reactions being rationally arranged, thus
The air for more cleaning health is provided for user.
The structure of above-mentioned filter paper layer 104 is in V-character wave wave type, the mainly removal airborne particulates pollution of filter paper layer 104
Object.It is provided with air adsorbent on HEPA filter mesh layer 103, may filter that some pernicious gases such as formaldehyde adsorption, oxycarbide.
As shown in Fig. 7a-7c, the first embodiment of antimicrobial filtering layer 102 is shown, wherein antimicrobial filtering layer 102 is in grid
Shape (such as square grid shape), antimicrobial filtering layer 102 include side frame and insert-connecting plate 1021, and insert-connecting plate 1021 is substantially in the shape of comb
Shape, the side of insert-connecting plate 1021 are formed with multiple spaced ridges 1022, are formed with gap between each ridge 1022, will
Multiple insert-connecting plates 1021 be divided into two rows and by array to eye-splice close to formed it is latticed, if square grid shape is (referring to figure
7c), multiple insert-connecting plates 1021 are installed in side frame after closing to eye-splice, so that antimicrobial filtering layer 102 be made.
Further, formed fluted on the inner sidewall of side frame, the insert-connecting plates 1021 of multiple parallel arrangements forms first and inserts
Contact pin array, the first insert-connecting plate array snap fit onto the groove of side frame, and the insert-connecting plates 1021 of multiple parallel arrangements is formed and the
The intersection of one grafting chip arrays or the second vertical grafting chip arrays, the second insert-connecting plate array snap fit onto the groove of side frame, side
Groove on scuncheon wall can fix the first grafting chip arrays and the second grafting chip arrays, the first grafting chip arrays and second
The grid formed between grafting chip arrays is criss-cross or diamond shape.
Preferably, antimicrobial filtering layer 102 includes multiple sub- filter layers being stacked, wherein every sub- filter layer is by the
One grafting chip arrays and the second grafting chip arrays are mutually inserted to be formed, and the grid formed before each sub- filter layer can be grid
Shape or diamond shape, the grid between adjacent sub- filter layer can be aligned or be arranged in a staggered manner, wherein air can be significantly increased by being arranged in a staggered manner
When flowing through with the contact area of antimicrobial filtering layer 102 and time.Multiple sub- filter layers are arranged on antimicrobial filtering layer 102 as a result, can
The out-of-date contact area and time with antimicrobial filtering layer 102 of air stream is improved, to further increase the sterilization of antimicrobial filtering layer
Performance.
As shown in figure 7d, the second embodiment of antimicrobial filtering layer 102 is shown, antimicrobial filtering layer 102 is netted in honeycomb, resists
The surface that bacterium filter layer 102 is contacted with air is formed with multiaperture pellumina 20, and multiaperture pellumina 20 after contacting with the air can
Remaining a large amount of bacteriums and virus in air are resisted and killed, more cleans reliable air to provide for user.
As Figure 8-9, in filter core 101, antimicrobial filtering layer 102 is aluminium alloy layer, and antimicrobial filtering layer 102 is closed including aluminium
Golden ontology 10, the outer surface of aluminium alloy ontology 10 are formed with multiaperture pellumina 20, sink in the duct 21 of multiaperture pellumina 20
Product has antibacterial metal layer 22.Most of antibacterial metal is deposited on the surface of the inner sidewall in duct 21 securely in antibacterial metal layer 22
On, a part penetrates into the inside of inner sidewall, and multiaperture pellumina 20 has the antibiotic and sterilizing performance of high-efficient and lasting.
Duct unit born of the same parents in aluminum oxide film layer are evenly distributed, and unit born of the same parents' quantity in aluminum oxide film layer on unit area is
70-100×109/cm2, preferably 80-90 × 109/cm2Or 86 × 109/cm2, the unit born of the same parents in aluminum oxide film layer are evenly distributed,
Hole parameter in unit born of the same parents are as follows: 1-100 microns of hole depth, preferably 60-80 microns or 70 microns, aperture (hole width) is 10-
50 microns, preferably 40-50 microns or 45 microns.
Further, it is attached in the duct of aluminum oxide film layer, the quantity of the unit born of the same parents formed is deposited by antibacterial metal are as follows:
70-100×109/cm2, preferably 80-90 × 109/cm2Or 86 × 109/cm2, the antibacterial metal that is deposited in aluminium oxide fenestra
The partial size of silver or copper is 1-100 nanometers, preferably 20-50 nanometers or 40 nanometers.Partial size is the antibacterial metal of 1-100 nanometer range
Silver or copper are securely uniformly adhered in aluminium oxide fenestra, keep the antibacterial of antiseptic aluminum, sterilizing function duration long.Antibacterial gold
The Nano Particle parameter area for belonging to unit born of the same parents equally distributed quantity and antibacterial metal on unit area, so that antibacterial metal
Antibiotic and sterilizing performance it is strong, antibiotic and sterilizing rate reaches 99.99%.
As shown in Figure 10, the medical air sterilizing and purifying device of the utility model and its resisting in air disinfection and purification system
The manufacturing method of bacterium filter layer 102 includes the following steps:
Step 1: aluminium alloy anode oxide:
Using pretreated aluminium alloy as anode, graphite, aluminium or lead etc. are used as cathode, carry out anodic oxygen in the electrolytic solution
Change to prepare the aluminium alloy with multiaperture pellumina.Wherein electrolyte includes: the sulfuric acid of 120-200g/L, and zinc oxide is careless sweet
Phosphine, it is also an option that the Al of 5~20g/L is added in property2(SO4)3·18H2O.The condition of oxidization electrolysis are as follows: 5 DEG C -35 DEG C of temperature, lead to
Direct current (DC) 6-24V, anodizing time are 10min~60min.After the completion of oxidation, aluminium alloy is taken out, after washing clear
The electrolyte on removal surface is impregnated in water to get the aluminium alloy with multiaperture pellumina.
The pretreatment of aluminium alloy mainly includes following operation: alkali electroless oil removing, sodium hydroxide solution oxide film dissolving, dilute nitre
Sour ash disposal, washing etc., aluminium alloy are convenient for anodic oxidation after pretreatment and form pellumina.
It should be noted that the multiaperture pellumina itself due to aluminum alloy surface does not have electric conductivity, in the electrolytic solution plus
Entering zinc oxide can make multiaperture pellumina obtain good electric conductivity, deposit antibacterial metal convenient for subsequent alumina eltrolysis.With
Glyphosate is added simultaneously in this in the electrolytic solution, and the hole for forming anodic oxidation has systemic action, and antibacterial metal can be promoted abundant
It deposits in the hole of aluminium oxide, antibacterial metal is firmly attached on the hole inner wall for being deposited on pellumina, to make unit area
The quantity of upper antibacterial metal deposition block is consistent with duct unit born of the same parents' quantity on multiaperture pellumina unit area.
As Figure 8-9, in the multiaperture pellumina that anodic oxidation is formed, unit born of the same parents' quantity on unit area is 70-
100×109/cm2, preferably 80-90 × 109/cm2Or 86 × 109/cm2, the unit born of the same parents in pellumina are evenly distributed, unit
Hole parameter in born of the same parents are as follows: 1-100 microns of hole depth, preferably 60-80 microns or 70 microns, aperture (hole width) is that 10-50 is micro-
Rice, preferably 40-50 microns or 45 microns.
Step 2: aluminium alloy electrolytic deposition:
Two electricity of the composition such as aluminium alloy with multiaperture pellumina and graphite, aluminium, lead or stainless steel that step 1 is obtained
Pole carries out electrolytic deposition in deposition liquid.Wherein deposition liquid includes: the silver nitrate of 7-25g/L, the verdigris of 1.5-5g/L, 5-
Ten water magnesium sulfate (the MgSO of 30g/L4·10H2O), the complexing agent of 2-10g/L (can be selected in a-amino acid or organic hydroxy-acid
One kind), be also optionally added the H of 15-20g/L2SO4.The condition of electrolytic deposition are as follows: 5 DEG C -35 DEG C of temperature, alternating current-direct current
(AC/DC) 5-30V, electrolytic deposition time 3-30min.After the completion of deposition, take out aluminium alloy, after washing in clear water impregnate with
Remove the electrolyte on surface.
Above-mentioned a-amino acid uses one of glycine, alanine.The hydroxyl of organic hydroxy-acid in organic hydroxy-acid
One of malic acid, lactic acid, gluconic acid can be used in the position α or β of carbochain, organic hydroxy-acid in base.
Complexing agent preferably uses a-amino acid, and the four-coordination that a-amino acid complexing agent can form five rings with silver ion cooperates
Object, a-amino acid complex compound therefore can joined α-ammonia more effectively with silver ion complexation than organic hydroxy-acid's class complexing agent
The electrolytic deposition liquid of base acid is highly stable, prepares and will not generate sediment in electrolyting precipitation process, therefore is conducive to antibacterial
Metal uniform deposition on pellumina, deposition coloring effect are excellent.
The volume Blend proportion of each solution in the electrolyte of aluminium alloy electrolytic deposition are as follows: 5 parts of the silver nitrate of 7-25g/L,
5 parts of the verdigris of 1.5-5g/L, 4 parts of ten water magnesium sulfate of 5-30g/L, 6 parts of the complexing agent of 2-10g/L.In addition, can also be added appropriate
15-20g/L H2SO4。
Further, AC/DC pulse power supply is connected in electrolyting precipitation process.As figs 11-13, it is used in electrolytic deposition
Alternating-current pulse 3 kinds of embodiments, be wherein jagged waveform-shaped current shown in Figure 11, the peak value of waveform-shaped current is 10-
50A, the period of waveform-shaped current are 0.01-3 seconds；It is smooth waveform voltage, the positive negative peak of waveform voltage shown in Figure 12
For 12-24 volt, the period of waveform voltage is 0.01-3 seconds；It is the waveform voltage and pulse current of smooth transition shown in Figure 13
Superposition, wherein the peak value of voltage is 12-24 volt, and the peak value of electric current is 10-50A, and the period of superimposed voltage current impulse is
0.01-6 seconds.
Specifically, in jagged waveform-shaped current shown in Figure 11, T1 is 0.06-1.8 seconds, and T2 is 0.04-1.2 seconds；Figure 12
In shown smooth waveform voltage, T3 is 0.01-3 seconds；In superimposed voltage electric current shown in Figure 13, T4 is 0.01-6 seconds, and T5 is
0.005-0.5 seconds, T6 was 0.005-0.5 seconds.
It should be noted that the zinc oxide of addition has multiaperture pellumina well in Anodizing Process
Electric conductivity, facilitate enough antibacterial metal particle to carry out electrolytic deposition；The glyphosate of addition enables porous oxide film to attract
Antibacterial metal particle deposition is into the hole of pellumina, to promote antibacterial metal (mainly silver and copper) particle secured and uniform
Ground is attached on the hole inner wall of alumina layer；At the same time, AC wave shape pulse is used in electrolyting precipitation process, promotes antibacterial golden
Belong to fast deposition.
As shown in figure 9, on the micropore platform for the pellumina that anodic oxidation is formed, in above-mentioned three aspects (zinc oxide, grass
Sweet phosphine and waveform-shaped current voltage pulse) synergistic effect under so that antibacterial metal deposition block quantity are as follows: 70-100 ×
109/cm2, preferably 80-90 × 109/cm2Or 86 × 109/cm2, the antibacterial metal silver or the copper that are deposited in aluminium oxide fenestra
Partial size is 1-100 nanometers, preferably 20-50 nanometers or 40 nanometers.Partial size is antibacterial metal silver or the copper jail of 1-100 nanometer range
Gu and be uniformly adhered in aluminium oxide fenestra, keep the antibacterial of antiseptic aluminum, sterilizing function duration long.Antibacterial metal unit born of the same parents
The Nano Particle parameter area of equally distributed quantity and antibacterial metal on unit area, so that the antibacterial of antibacterial metal is killed
Bacterium performance is strong, and antibiotic and sterilizing rate reaches 99.99%, hence it is evident that is better than the anti-microbial property of fine silver and other plating silver products.
Table 1-1 is the sterilizing ability contrast table of the Antibacterial aluminum alloy of the utility model and fine silver in identical 4 hours:
The sterilizing ability of table 1-1 Antibacterial aluminum alloy and fine silver
| Bacterial species | Antibacterial aluminum alloy | Fine silver |
| Listeria | 99.99% | About 51% |
| Anti- erysipelothrix rhusiopathiae | 99.99% | About 51% |
| Paratuberculosis bacillus | 99.99% | About 51% |
| The false unicellular bacterium of fluorescence | 99.99% | About 51% |
| Yersinia enterocolitica | 99.99% | About 61% |
| Staphylococcus aureus | 99.99% | About 63% |
| Escherichia coli | 99.99% | About 65% |
The antibacterial effect of antibacterial metal (silver and/or copper) is related with the partial size of metallic, by taking silver as an example, in general, silver-colored
Or the anti-microbial property of silver oxide enhances with the reduction of particle size (referring to Figure 16), but when silver ion partial size is too small, resists
Bacterium performance can weaken instead.By the way that conduction-enhancing agent and interior suction reagent is added in the utility model, the pulse of electrolytic deposition is controlled
Voltage and current, and reach the crystal grain for controlling silver or silver oxide by the dimensional parameters in control pellumina duct, make partial size
Control keeps certain dispersibility in 5-50 nanometer range, and the significant anti-microbial property of silver ion can just brought into play, from
And other anti-biotic materials are substantially better than, it is also significantly better than fine silver or plating silver products.
Further, high resolution scanning Electronic Speculum (Figure 14) shows that miniature spherical particle is silver-bearing copper particle in duct, and uniformly
It deposits in duct, antibacterial metal depositing homogeneous, stabilization, the antibacterial metal of deposition includes silver, silver oxide, copper and copper oxide.X
Ray energy dispersion spectrum (attached drawing 15) test further confirms there is silver and copper in duct.High resolution scanning Electronic Speculum and X-ray
Power dissipation spectrum test shows the duct for making silver, copper equably deposit to pellumina using waveform voltage current source Energy Deposition
It is interior, therefore uniform coloring, stabilization are deposited, wherein the mass ratio of silver element and copper is preferably 6-7:2-3.
Step 3: the resulting aluminium alloy of step 2 is carried out boiling water Seal treatment to get coloring stabilized and have persistently high
Imitate the aluminium alloy of sterilizing function.In step 3, for the corrosion resistance for further increasing aluminium alloy, Process on Aluminum Alloy Oxidation Film can be immersed
Carrying out sealing of hole in pore-sealing liquid, pore-sealing liquid is the aqueous solution containing nano-titanium dioxide, 70~100 DEG C of sealing of hole temperature, the sealing of hole time 1
~20min immerses aluminium alloy in clear water to remove surface residual attachment after sealing of hole.
Embodiment one:
It first will be through the pretreated aluminium alloy such as degreasing, oxide film dissolving, ash disposal, washing as anode, graphite, aluminium or lead
Deng be used as cathode, in the electrolytic solution carry out DC anodizing to prepare the aluminium alloy with multiaperture pellumina.Then it incites somebody to action
Two electrodes of composition such as aluminium alloy with multiaperture pellumina and graphite, aluminium, lead or stainless steel for arriving, in the nitric acid of 7-25g/L
Silver, the verdigris of 1.5-5g/L, ten water magnesium sulfates (MgSO410H2O) of 5-30g/L, in the deposition liquid of the complexing agent of 2-10g/L
Carry out electrolytic deposition, the condition of electrolytic deposition are as follows: 5 DEG C -35 DEG C of temperature, alternating current-direct current (AC/DC) 5-30V, electrolytic deposition time 3-
30min.After the completion of deposition, aluminium alloy is taken out, is impregnated in clear water after washing to remove the electrolyte on surface, carries out hot water envelope
Processing is closed, to obtain antiseptic aluminum product.
The following table 2 gives the face of the aluminium alloy attachment of the pressure electrolytic deposition antibacterial metal of pulsed current electricity shown in Figure 11-13
Color.
The coloring effect that 2 identical frequency of table, the pulsed current electricity in period are depressed
Embodiment two:
It first will be through the pretreated aluminium alloy such as degreasing, oxide film dissolving, ash disposal, washing as anode, graphite, aluminium or lead
Deng be used as cathode, in the electrolytic solution carry out DC anodizing to prepare the aluminium alloy with multiaperture pellumina.Then it incites somebody to action
Two electrodes of composition such as aluminium alloy with multiaperture pellumina and graphite, aluminium, lead or stainless steel for arriving, in the nitric acid of 7-25g/L
Silver, the verdigris of 1.5-5g/L, ten water magnesium sulfates (MgSO410H2O) of 5-30g/L, in the deposition liquid of the complexing agent of 2-10g/L
Carry out electrolytic deposition, the condition of electrolytic deposition are as follows: 5 DEG C -35 DEG C of temperature, alternating current-direct current (AC/DC) 5-30V, electrolytic deposition time 3-
30min.After the completion of deposition, aluminium alloy is taken out, is impregnated in clear water after washing to remove the electrolyte on surface, carries out hot water envelope
Processing is closed, to obtain antiseptic aluminum product.
The following table 3 gives zinc oxide and glyphosate whether are added in Anodizing Process to electrolytic deposition antibacterial gold
The influence of the alloy colouring of category.
The coloring effect after zinc oxide and glyphosate is added in 3 anode oxidation process of table
In the utility model, when (silver ion and/or copper ion, say by taking silver ion as an example micro antibacterial metal ions below
It is bright) when reaching microbial cell film, because cell membrane has negative electrical charge, silver ion can securely be adsorbed on cell membrane by attractive coulombic force
On, and silver ion can also penetrate further into cell wall and enter in bacterium and react with the thin base in bacterium, make the albumen of bacterium
Matter solidification, destroys the activity of the cell synzyme of bacterium, makes cell loss division growth ability and dead.When thallus loses activity
Afterwards, silver ion again can from thallus separate out, repeat fungicidal property, thus antibacterial effect high-efficient and lasting.
It should be noted that aluminium alloy prepared by the manufacturing method of Antibacterial aluminum alloy can be used as antibiotic and sterilizing material, have non-
It is often widely applied, may be used in numerous areas.
It is appreciated that the utility model is described by some embodiments, what those skilled in the art knew,
In the case where the spirit and scope for not departing from the utility model, these features and embodiment can be carried out with various changes or equivalent
Replacement.In addition, can modify under the introduction of the utility model these features and embodiment to adapt to particular situation
And material is without departing from the spirit and scope of the utility model.Therefore, the utility model is not by specific reality disclosed herein
The limitation of example is applied, the embodiment within the scope of fallen with claims hereof belongs to the range that the utility model is protected
It is interior.
Claims (10)
1. a kind of medical air sterilizing and purifying device, including shell and it is mounted on the intracorporal filter core of shell, which is characterized in that shell packet
Mounting bracket is included, filter core is installed in mounting bracket, filter core includes at least antimicrobial filtering layer, and antimicrobial filtering layer includes aluminium alloy sheet
Body, the outer surface of aluminium alloy ontology are formed with multiaperture pellumina, antibacterial metal layer are deposited in the duct of multiaperture pellumina,
When air and antimicrobial filtering layer contact, antimicrobial filtering layer can kill the bacterium in air with virus to provide clean air.
2. medical air sterilizing and purifying device according to claim 1, which is characterized in that unit plane in multiaperture pellumina
Duct unit born of the same parents' quantity in product is 70-100 × 109/cm2, duct parameter in unit born of the same parents are as follows: and 1-100 microns of hole depth, hole
Diameter is 10-50 microns, is deposited with antibacterial metal in the duct of multiaperture pellumina, is deposited on anti-in multiaperture pellumina duct
The partial size of bacterium metal is 1-100 nanometers.
3. medical air sterilizing and purifying device according to claim 2, which is characterized in that multiaperture pellumina unit area
On duct unit born of the same parents' quantity be 80-90 × 109/cm2, hole parameter in unit born of the same parents are as follows: hole depth is 60-80 microns, and aperture is
40-50 microns, the partial size for being deposited on the antibacterial metal in multiaperture pellumina duct is 20-50 nanometers.
4. medical air sterilizing and purifying device according to claim 2, which is characterized in that the antibacterial metal of deposition includes
Silver, silver oxide, copper and copper oxide, wherein the mass ratio of silver element and copper is 6-7:2-3.
5. medical air sterilizing and purifying device according to claim 1, which is characterized in that be formed in mounting bracket multiple
Spaced groove, filter core are arranged in the groove of mounting bracket, and the groove formed in mounting bracket is V-groove, filter core packet
Multiple V-type filters are included, multiple V-type filters of filter core are assembled into respectively in the V-groove of mounting bracket.
6. medical air sterilizing and purifying device according to claim 1, which is characterized in that be formed in mounting bracket multiple
Spaced groove, filter core are arranged in the groove of mounting bracket, and the groove formed in mounting bracket is V-groove, and filter core is in
Triangle is corrugated, and filter core includes multiple is connected with each other and integrally formed V-type filter.
7. medical air sterilizing and purifying device according to claim 1, which is characterized in that the filtering surface of antimicrobial filtering layer is in
Latticed or honeycomb is netted, and antimicrobial filtering layer includes side frame and insert-connecting plate, and the side of insert-connecting plate is formed with multiple interval settings
Ridge, gap is formed between adjacent ridge, multiple insert-connecting plates are installed in side frame to form antibacterial after closing eye-splice
Filter layer.
8. medical air sterilizing and purifying device according to claim 5 or 6, which is characterized in that filter core further includes being used for
The first filter layer and the second filter layer for filtering noxious gas for filtering suspended particulates, the first filter layer, the second filter layer with
And antimicrobial filtering layer is cascading, air enters in the second filter layer after the first filter layer filters out suspended particulates, and
And in the filtering noxious gas of the second filter layer, air enters in antimicrobial filtering layer after the first filter layer and the filtering of the second filter layer
Carry out sterilizing.
9. medical air sterilizing and purifying device according to claim 8, which is characterized in that the first filter layer and the second filtering
Structure, the shape of layer are identical as antimicrobial filtering layer.
10. a kind of air disinfection and purification system, including medical air sterilizing and purifying of any of claims 1-9 are set
It is standby, which is characterized in that further include air exhausting device, medical air sterilizing and purifying device and air exhausting device are connected to indoor respectively, room
Outer air enters the room after medical air sterilizing and purifying device filtration, purification, then passes through air exhausting device from indoor discharge.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112619289A (en) * | 2020-12-03 | 2021-04-09 | 广东工业大学 | Ag-loaded aluminum alloy air filter material and preparation method and application thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112619289A (en) * | 2020-12-03 | 2021-04-09 | 广东工业大学 | Ag-loaded aluminum alloy air filter material and preparation method and application thereof |
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