CN1262224C - Shoe inside purifying method and device thereof, mixing catalyst and honey comb structure thereof - Google Patents

Shoe inside purifying method and device thereof, mixing catalyst and honey comb structure thereof Download PDF

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Publication number
CN1262224C
CN1262224C CNB2004100283276A CN200410028327A CN1262224C CN 1262224 C CN1262224 C CN 1262224C CN B2004100283276 A CNB2004100283276 A CN B2004100283276A CN 200410028327 A CN200410028327 A CN 200410028327A CN 1262224 C CN1262224 C CN 1262224C
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China
Prior art keywords
footwear
catalyst
mentioned
ozone
casing
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CNB2004100283276A
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CN1530052A (en
Inventor
田原修
尾松宏治
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Carle technologies KK
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Shimadzu Corp
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Priority claimed from JP2003040849A external-priority patent/JP4615190B2/en
Priority claimed from JP2003334216A external-priority patent/JP2005095804A/en
Application filed by Shimadzu Corp filed Critical Shimadzu Corp
Publication of CN1530052A publication Critical patent/CN1530052A/en
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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
    • A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/02—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
    • A61L2/08—Radiation
    • A61L2/10—Ultra-violet radiation
    • 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
    • A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/26—Accessories or devices or components used for biocidal treatment
    • 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
    • A61L2202/00—Aspects relating to methods or apparatus for disinfecting or sterilising materials or objects
    • A61L2202/10—Apparatus features
    • A61L2202/11—Apparatus for generating biocidal substances, e.g. vaporisers, UV lamps

Abstract

To provide a lumbar supporter that can effectively prevent displacement to an upper trunk and integrally fix a lumbar vertebrae and a pelvis, and further has a good appearance, a lumbar fixed belt 2 that mainly holds a lumbar and a pelvic fixed belt 5 that mainly holds the pelvis are integrally provided, and the pelvic fixed belt 5 is inclined to the lumbar fixed belt 2 at 20 DEG to 30 DEG toward a lumboabdominal region, correspondingly to a physiological pelvic angle of inclination theta.A lumbar fixed belt that mainly holds a lumbar and a pelvic fixed belt that mainly holds the pelvis are integrally provided, and the pelvic fixed belt is inclined to the lumbar fixed belt 2 at 20 DEG to 30 DEG toward a lumboabdominal region, correspondingly to a physiological pelvic angle of inclination theta.

Description

Purifier in the footwear
Technical field
The present invention relates to shoe inside purifying method and device to inner sterilization, deodorizing or the dry decontamination of footwear things such as leather shoes, sport footwear, boots, boot, safety shoe and slippers.
The present invention relates to fields such as deodorizing, sterilization, bleaching, decomposition and purification, specifically, relate in odor removal, air cleaner, harmful substance and remove the mixed catalyst that uses in device, ozonolysis equipment, the sterilizing unit and use the honeycomb of this catalyst.
Background technology
From plum rains season to summer, it is worried especially that the stink in the footwear makes us, boot (boots) etc. is the root of stench.
In addition, from winter to plum rains season, drench footwear inside because of snowing or rain waiting, therefore must carry out drying and wish a kind of device that can realize deodorizing and drying at short notice.
The method of purification of footwear from clear and fifties been reported ozone sterilization method (seeing patent document 1,2), ultraviolet sterilization method (seeing patent document 3,4), hot-air seasoning (seeing patent document 5,6) are arranged, since self-balancing becomes 9 years also report have photochemical catalyst and the coefficient bactericidal assay of ultraviolet ray (UV) (seeing patent document 7,8).
These methods are roughly divided into and the footwear clarifier are directly inserted the type (referring to patent documentation 4,6,7,8,9,10) that only purifies footwear inside in the footwear and make that being shaped as of footwear clarifier is box-like to be collected in this box footwear from the type (referring to patent document 1,2,3,4) of the external purification footwear of footwear.Because the former is at the inner heaters such as ultraviolet germicidal lamp, ozone generator or infrared lamp that insert of footwear, thus directly sterilization, and dry footwear inside.And the latter carries out sterilization and dry with ultraviolet germicidal lamp, ozone generator or hot blast to the footwear in the box from footwear are outside.
Patent document 1: open flat 5-78240 communique in fact
Patent document 2: the spy opens the 2001-314250 communique
Patent document 3: open clear 60-41967 communique in fact
Patent document 4: the spy opens the 2001-286543 communique
Patent document 5: the spy opens flat 2-293579 communique
Patent document 6: utility model is registered communique No. 2561174
Patent document 7: the spy opens flat 11-56979 communique
Patent document 8: the spy opens the 2002-706 communique
Patent document 9: the spy opens the 2001-37848 communique
Patent document 10: the spy opens flat 11-104223 communique
If consider the reason that stench takes place in the footwear, as shown in Figure 2, the temperature of the pin in the footwear and by the caused high humility of the sweat of pin, make and exist the bacterium (staphylococcus or the like) in the footwear that the environment that is easy to breed has been arranged, thisly make organic aliphatic acid in the sweat help bacterium to breed rapidly, so the odor pollutant (mainly being isovaleric acid) that is considered to be taken place is the main cause of stench in the boots.
Therefore the sterilization in the footwear be prevent stench this, and also favourable to the bacterial infection that prevents sole (suppress by other people infection of ringworm of the foot bacterium and the bacterial skin disease of own pin).
The inventor distributes with regard to the bacterium in the footwear and carried out investigation, its result as shown in Figure 3, distinguish for the bacterial number from root behind the pin to arch of the foot seldom, be 1/10 of tiptoe.This shows that the part from the heel to the arch of the foot exchanges air because of the bellows phenomenon that produces when the walking easily, and bacterial reproduction is few, and because of the closer to tiptoe, temperature and humidity is high more, and bacterial reproduction is many more.That is to say, if, then just can not obtain to prevent the effect of stench not near the emphasis of the depths the front end of footwear as sterilization and drying.
As from viewpoint, just can not carry out the sterilization of footwear depths with record method in patent document 1～6 grade.In addition, the moisture in the footwear is the overslaugh bactericidal effect not only, and moisture to wear the comfortableness of footwear when high also poor, so drying also is an important link.Yet the drying machine (referring to patent document 5,6) that only with the drying is purpose does not have bactericidal effect.
The inventor is in order to confirm these actual conditions, and with its typical example the drying machine (referring to patent document 6) and the ultraviolet sterilization machine (referring to patent document 4) of market sale tested.
Its result is shown among Fig. 4, in Fig. 4, by having 10cm 2The bacterial number inspection kit (commercial goods name: ペ ん チ エ Star Network (registration mark), Rong Yan equipment Co., Ltd. system) that the culture medium of area is formed compresses to be attached in the footwear adopts bacterium at the end, cultivates back number clump count.Kind and the condition of culture of bacterium are as follows:
(a) general viable bacteria:
Use ペ ん チ エ Star Network 1010, under 35 ℃, carry out cultivating in 24 hours with the standard agar medium.
(b) staphylococcus:
Use ぺ ん チ エ Star Network 4010, under 35 ℃, carry out cultivating in 48 hours with sweet mellow wine (マ Application ニ Star ト) salt agar medium with yolk.
(c) fungi:
Use ペ ん チ エ Star Network 7010, carry out cultivating in 24 hours at 25 ℃ with Saab sieve (サ Block ロ-) agar medium.
In Fig. 4, blank space is both not have the dry occasion that does not also have sterilization, compares with the device performance of aftermentioned embodiment.Confirm according to its result: the bactericidal effect that does not have footwear inside with commercially available drying machine and ultraviolet sterilization machine.
In addition, though the sterilization machine (referring to patent document 7,8) of use photochemical catalyst etc. utilizes ultraviolet bactericidal effect height, but the foul smell in the footwear only removes not fall with ultraviolet ray, if make fresh air replace the foul smell in the footwear or move it by ventilation, then in the short time of reality, can not make the footwear deodorizing.
In addition, the light and the high-concentrated ozone that need strong ultraviolet germicidal lamp with the mode that footwear is placed on formula in the box from the method for footwear external purification, such high light and high-concentrated ozone make that the footwear exterior material is rotten, variable color etc. becomes not attractive in appearance, has very big problem in practical application.
As mentioned above, the photochemical catalyst that uses in air cleaning, deodorizing and sterilization etc. is to penetrate the material that causes redox reaction by illumination.When photochemical catalyst receives when being equivalent to the luminous energy of band gap (band gap, バ Application De ギ ヤ Star プ) more than the energy, the electronics on the electric charge band just transits on the conduction band.Therefore produce the hole (hole) that electronics is extracted out on the surface of photochemical catalyst, transit to the electrons spread on the conduction band.By these holes and electron reaction, make outside material oxidation or reduction, but hydrogen and oxygen preferential reaction generate hydroxyl (OH) or superoxide ion (O in environment 2 -).These active oxygens that photochemical catalyst generated are with multiple material oxidation Decomposition.
The titanium dioxide of past known road Detitanium-ore-type is to the photooxidation degrading activity height below the 400nm, by it can be brought into play air cleaning, deodorizing, sterilization, function such as antifouling as photochemical catalyst.Antifouling scavenging material, fluorescent lamp, the account that such photochemical catalyst also is applied in air cleaner, remove air cleaning, concrete, wallpaper, coating, ceramic tiles etc. such as foul smell is fluffy, on the curtain etc.For example open in the 2001-324212 communique, disclose air cleaner with photochemical catalyst structure the spy.
In addition, except the effect of air cleaning, deodorizing, sterilization, function such as antifouling, for example in fact also used adsorbents such as zeolite and activated carbon or ozone etc. to be used in combination, with these functions of further raising with photochemical catalyst.
Yet, with the occasion of ozone and usefulness because its harmfulness (operating environment standard: 0.1ppm is following), and can not make it be discharged into the device outside.Therefore must have the decomposition method of ozone decomposition, as the decomposition method of ozone, thermal decomposition is the most effective.But, adopt with activated carbon or manganese dioxide metal oxide catalyst as main body so for example duplicator is general aspect civilian because thermal decomposition needs energy.
For example open in the 2002-136579 communique the spy, disclose have on the surface of activated carbon, scribble as the light honeycomb of the titanium dioxide of photochemical catalyst and otherwise carrier band air cleaner as the ozone decomposition alveolate texture of the activated carbon of ozone decomposition catalyst is arranged., it is believed that cheap activated carbon with the reaction of ozone in cause the consumption of catalyst and poor durability.
Therefore, existing trend uses manganese dioxide as ozone decomposition catalyst.For example open in the 7-213912 communique, disclose and make manganese dioxide carrier band has ozone decomposition catalyst containing on the ozone decomposition catalyst paper of manganese carbonate further the spy.In addition, for example in No. 2552175 communique of special permission, the ozone decomposition catalyst that is dispersed in the ceramic fibre is disclosed with making the activated manganese dioxide uniform high-efficiency.
Patent document 1: the spy opens the 2001-324212 communique
Patent document 2: the spy opens the 2002-136579 communique
Patent document 3: the spy opens flat 7-213912 communique
Patent document 4: specially permit communique No. 2552175
Past separately uses photochemical catalyst and ozone decomposition catalyst, and the honeycomb that applies photochemical catalyst and ozone decomposition catalyst respectively can make cost increase and complex operation, also makes simultaneously to comprise that the device construction that is used for alveolate texture becomes complicated.
The 1st purpose of the present invention is: a kind of method and apparatus is provided, and this method and apparatus well can suppress the bacterium of footwear inside again or also can keep happy comfortable footwear environment when the foul smell in the footwear takes place because of making the comfortableness of wearing footwear.
The 2nd purpose of the present invention is to provide a kind of both mixed catalysts with photochemical catalyst function and ozone capacity of decomposition.
The present inventor finds: in order to reach above-mentioned the 1st purpose, in sterilization, in drying and three key elements of deodorizing, at least 2 key elements that solve sterilization and drying or dry and deodorizing sometimes are important in order to carry out actual footwear to purify.
The mode that realizes the shoe inside purifying method of the present invention of sterilization and drying is to ventilate by the depths at the footwear in being housed in casing to carrying out dry footwear, carries out sterilization with ultraviolet ray irradiation footwear depths simultaneously.
Be used to realize that purifier comprises in the footwear of the present invention of shoe inside purifying method of this mode: the casing that can collect footwear, be arranged on ventilation in this casing with nozzle, be contained in the ultraviolet germicidal lamp and the ventilation unit of above-mentioned ventilation usefulness spray nozzle front end portion, wherein said ventilation is arranged in this casing with nozzle, have ejiction opening at leading section, its leading section is inserted in the inside of footwear; Described ventilation unit comprises pressure fan and making footwear inner dry by the air of supplying with nozzle to above-mentioned ventilation in the above-mentioned casing, makes the air circulation in the casing simultaneously.
In this mode, by from the air dry footwear inside of ventilation, and utilize and be installed in ventilation and carry out the interior sterilization processing of footwear with the ultraviolet ray that the front end or near the ultraviolet germicidal lamp it of nozzle sends with the ejection of the blow vent of spray nozzle front end.
Though ultraviolet germicidal lamp is to use the ultraviolet lamp that the sterilization ray is 254nm taking place at least, also can use the ultraviolet lamp of the wavelength of generation ozone as 185nm simultaneously.Make the occasion of the ultraviolet germicidal lamp of the wave-length coverage that ozone takes place in use, except with the ultraviolet sterilization, also can utilize the bactericidal action of ozone, thereby make bactericidal effect higher.At this moment because ozone decomposition catalyst is housed in the air circulation stream in advance, can utilize ozone catalytic agent ozone decomposition in utilizing the casing of ventilation unit,, can not have the foul smell of ozone to scatter around everywhere so this method is very safe.There is problem on the environmental sanitation in ozonization equipment in the past because of being scattered with ozone around everywhere, but does not have such problem in embodiments of the present invention.
Can use manganese dioxide (MnO as the ozone decomposition catalyst 2), cupric oxide (CuO), iron oxide (FeO) etc.
Can also in utilizing the casing of ventilation unit, dispose on the air circulation stream in addition photochemical catalyst is set, and have the air deodorization function that makes this circulation.The Device for drying shoes in past exists because of foul smell in the footwear scatters the indoor smelly problem that makes towards periphery, but does not have such problem in this mode of the present invention.
Can use titanium dioxide (TiO as such photochemical catalyst 2) monomer or be main component and mixture other metal or metal oxide with titanium dioxide.
Though use the occasion of photochemical catalyst to need a kind of light source that is used for photochemical catalyst, but with different because of the constant temperature catalyzing agent of limited essential activated carbon of changing of life-span or zeolite etc. or adsorbent etc., the advantage of photochemical catalyst is to have self-cleaning action and do not have the restriction in life-span and do not need to change.
In addition, if the occasion that ozone takes place ultraviolet germicidal lamp, the best double as ozone decomposition catalyst of photochemical catalyst.Photochemical catalyst as the ozone decomposition catalyst of holding concurrently can use and TiO 2And MnO 2, at least a mixed catalyst among CuO and the FeO.In addition, the weight ratio of the photochemical catalyst of this mixed catalyst and ozone decomposition catalyst preferably 30/70 to 70/30.
For the mode of the shoe inside purifying method of the present invention of two key elements realizing dry and deodorizing is to be blown into air in the depths of the footwear in being housed in casing to make the footwear drying, simultaneously, the air that is blown into to the depths of footwear is circulated in above-mentioned casing, and in its circulation way, carry out deodorizing.
For purifier in the footwear of the present invention of the shoe inside purifying method of realizing this mode comprises: the casing, ventilation that can collect footwear is with the deodorizing photoactivation agent on nozzle, ventilation unit and the air circulation stream in utilizing the above-mentioned casing of above-mentioned ventilation unit, wherein said ventilation is arranged in this casing with nozzle, have blow vent at leading section, its front end inserts the inside of footwear; Described ventilation unit comprises pressure fan and comes dry footwear inside by the air in the above-mentioned casing being supplied with above-mentioned ventilation with nozzle, simultaneously, makes the air circulation in the casing.
In this mode, utilization is from the dry footwear of the air inside of the blow vent ejection of the front end of aeration jet, and the photochemical catalyst that utilization is configured on the interior air circulation stream of casing carries out the deodorizing processing.
As the photochemical catalyst that in this mode, uses, as mentioned above, also can use the titanium dioxide monomer or be main component and mixture other metal or metal oxide etc. with titanium dioxide.
In the present invention, preferably include hot blast unit to the air heat of supplying with aeration jet.At this moment because can dry at short notice footwear with the inside of heated-air drying footwear.
Ventilation with nozzle can double as the effect of footwear in the collection casing.
In order to reach above-mentioned the 2nd purpose, the photochemical catalyst of the embodiment of mixed catalyst of the present invention mixes with the weight ratio of (photochemical catalyst/normal temperature oxidation catalyst)=30/70～70/30 with the normal temperature oxidation catalyst with ozone capacity of decomposition.
In the present invention, the above-mentioned photochemical catalyst of above-mentioned mixed catalyst titanium dioxide preferably.
In addition, in the present invention, the above-mentioned normal temperature oxidation catalyst of above-mentioned mixed catalyst is preferably chosen at least a from manganese dioxide, cupric oxide and iron oxide.
The embodiment of honeycomb of the present invention has the coating of above-mentioned mixed catalyst.
In the present invention, above-mentioned honeycomb preferably applies with adhesive.
In this embodiment, can provide both mixed catalysts that keep photochemical catalyst function and ozone capacity of decomposition.The honeycomb that is coated with such mixed catalyst can reduce and saves time than the cost in past, and can simplify the structure of the device that is used to dispose honeycomb.
Description of drawings
Fig. 1 is the rough structure figure of an embodiment of expression
Fig. 2 is the concept map that the mechanism of stench takes place in the expression footwear
Fig. 3 is the bacterium distribution map in the expression footwear
Fig. 4 represents present embodiment with commercially available drying machine, the performance comparison diagram of ultraviolet sterilization machine.
Fig. 5 is the block diagram of the basic conception of an embodiment of expression.
Fig. 6 is the sterilization speed curve map of this embodiment of expression
Fig. 7 is the detergent power curve map of this embodiment of expression
Fig. 8 is the sterilization lasting effect curve map of this embodiment of expression.
The specific embodiment
Figure 5 illustrates the basic conception figure of one embodiment of the present of invention.
Housing 1 is represented whole box body, is provided with sterili-sation unit 2 in this casing 1, deodorizing unit 3, ventilation unit 4 and the blowing unit 5 that casing 1 interior air is circulated between these unit.
Sterili-sation unit 2 is the devices that carry out sterilization in ultraviolet direct irradiation footwear inside, and its ultraviolet ray also can be the ultraviolet ray that takes place in the ozone wave-length coverage.
Deodorizing unit 3 carries out the foul smell that shoe lining produces the odorless processing and disposes photochemical catalyst.When ozone took place sterili-sation unit 2, the catalyst of ozone decomposition was also attached on the deodorizing unit 3.
Ventilation unit 4 is equipped with heater and temperature control equipment, supplies with footwear inside after the air heat that blowing unit 5 is sent into.
In Fig. 1, briefly showed an embodiment.Casing is by box-like body 10 and footwear are taken out the Qianmen 11 pack into constitute.The right side is positive in the drawings.Qianmen 11 has fulcrum on top, by forwards drawing, open along the counter clockwise direction of figure, with the place ahead and top open big after, footwear S just can take out or pack into.But fulcrum is arranged at the bottom at Qianmen 11, below open big after, also can pack into and take out footwear S.
An example of casing size is width 250mm.Long 250mm.High 400mm.
At box house the nozzle 51 of ventilation is set uprightly vertically, has hot air blow port 52 at the front end of this nozzle 51.At nozzle 51 places, because of putting footwear S, so do not need to be provided with in addition the structure of taking in footwear S.For the air in the casing is inputed to nozzle 51, make this air from blow vent 52 ejection, and form the cavity 13 that is communicated with the bottom of nozzle 51 from the inwall of casing and to the bottom surface.Upper position in this cavity 13 is provided with blow vent 14, and nozzle 51 is introduced and flowed to the air in the casing from this blow vent 14.In cavity 13, ring-type fan 53 is set in order to make air circulation as multiblade blower.
The size of nozzle 51 for example highly is 300mm, and the size of its front end blow-off outlet 52 for example is 10mm * 30mm.
Multiple-blade ring-type fan 53 for example is the polypropylene manufacturing, and diameter is 50mm, highly is 15mm, and revolution is about 4000rpm, can be with about 0.1m 3/ minute the air quantity circulation of ventilating.
In the front portion of 2 nozzles 51 2 ultraviolet germicidal lamp 2a are installed respectively in order to purify a pair of shoes simultaneously.Ultraviolet germicidal lamp 2a for example is the cold cathode low-voltage mercury vapor lamp, and power is about 3W, is of a size of diameter 6mm, and length is the lamp of 110mm, and the radiation wavelength is the ultraviolet ray of 185nm and 254nm.The ultraviolet ray of being emitted can be radiated at the dark inside of footwear S, carries out sterilization.Sterilizing time be 5-30 minute proper.
For the air heat that will spray from the blow-off outlet of nozzle 51 becomes hot blast, and in the bottom of casing, the 13 li spiral helicine nichrome wires of configuration in the cavity that is communicated with in the lower end with nozzle 51 are as heater 41, heater 41 power under 100V voltage is 100W, and near the downstream heater 41 is disposing thermostat 42.Control the energising of carrying out to heater 41 by thermostat 42, thereby can regulate the hot blast temperature that nozzle 51 is supplied with.In order to prevent footwear distortion, and by heater 41, thermostat 42 will be set in from the hot blast temperature of blow-off outlet 52 ejections of nozzle 40～55 ℃ proper.
From the ultraviolet ray that ultraviolet germicidal lamp 2a sends, ozone is taken place.In cavity 13, for when the air to circulation carries out deodorizing, ozone is decomposed, and configuration honeycombed catalyst 30.The size of catalyst monolith structure 30, for example length 50mm, wide 130mm, height is 30mm, having diameter is the poroid material of 2mm.On the surface of this honeycomb, will as photochemical catalyst titanium dioxide with as at least a catalyst that mixes in manganese dioxide, cupric oxide and the iron oxide of ozone decomposition catalyst, be to modulate coating at 1: 1 with the weight ratio of photochemical catalyst and ozone catalytic agent.
Between the lower end and bottom half at Qianmen 11, microswitch 12 is installed, as safety switch, when opening Qianmen 11 in moving, is cut off the electricity supply by microswitch 12, work just stops in the case.
In the present embodiment, footwear S is enclosed within the leading section of nozzle 51, starts working after closing Qianmen 11, after 53 startings of multiple-blade ring-type fan, the air in the casing flows into from blow vent 14, by cavity 13, pass-out mouth 52 ejections from nozzle 51 front ends make it air circulation.Make heater 41 energisings simultaneously,, in footwear S, spray 40～55 ℃ hot blast on one side on one side by thermostat 42 control temperature, ultraviolet germicidal lamp 2a lighted set 5-30 minute, when carrying out sterilization in to footwear S by ultraviolet ray, also produce ozone, carry out sterilization by ozone., carry out deodorizing by the photochemical catalyst that is coated in the honeycombed catalyst 30, and carry out the decomposition of ozone by ozone decomposition catalyst by empty 13 inside at the air that comes out from footwear S inside.Like this, because of stench and ozone are cleaned in casing 10, and the indoor environment that positive entrance hall that can prevent the room etc. is located is contaminated.
Present embodiment has sterilization, deodorizing and three kinds of dry functions.With regard to mode of operation, be not limited only to make the occasion of these three kinds of function operations, also can select necessary function to carry out possible switching working mode according to different purposes.As the mode of operation of this occasion, can enumerate following three examples.
1. make sterilization, deodorizing and dry three kinds of patterns that function is worked simultaneously.
The pattern that two kinds of functions of sterilization and deodorizing are worked simultaneously.
3. only make the pattern of functions/drying work.
The selection of above-mentioned pattern can be switched by the power switch of unit separately and be carried out simply.Above-mentioned pattern can use LED display elements such as (light emitting diodes) to show, also can push selector switch etc. by the user, carries out model selection.
Secondly, the user can set the working time with timer.1. and 2. set 15 minutes as above-mentioned mode of operation, 3. mode of operation is set at 30 minutes.Also can preestablish actuation time according to different patterns.
Below, the effect of this embodiment is specifically described.
Fig. 6 is the data of expression sterilization speed.The sterilizing time of ultraviolet germicidal lamp is long more, and sterilizing rate is high more.Carry out 15 minutes sterilization processing, reached the sterilizing rate more than 99%.The embodiment data of representing in Fig. 4 are to represent through after 15 minutes the sterilization processing number of various mushrooms.
Fig. 7 is the figure of expression detergent power.By coming before the comparison deodorizing with the main component isovaleric acid concentration of the stench of pin and according to the odor strength after the work in 15 minutes of this embodiment.As can be seen from the results, utilize the device of present embodiment, can decompose isovaleric acid effectively.Odor strength before the deodorizing is approximately 4, for the intensity that strong odor is arranged, drop to finally after the deodorizing slightly can perception odor strength 1.Ozone concentration also can decompose below the 0.025ppm.
Fig. 8 represents the sterilization lasting effect figure of present embodiment.The transverse axis of Fig. 8 represents to wear the time of footwear, and the longitudinal axis is a bacterial population alive of representing this moment with clump count.Various bacterial populations when top dotted line is represented not carry out sterilization.Below the curve device work representing to make present embodiment after 15 minutes, the various bacterial populations after getting on one's shoes again.Though bacterial population has increase slightly after one hour, after this descend soon.From whole structure, lasting bactericidal effect is arranged.
Though photochemical catalyst is in applying after 1: 1 the ratio modulation, being not limited in this to the weight ratio of ozone decomposition catalyst on the honeycombed catalyst in the above-described embodiment.In the mixed catalyst photochemical catalyst to the weight ratio of ozone decomposition catalyst be (photochemical catalyst)/(ozone decomposition catalyst) in 30/70～70/30 scope, just can obtain the effect of photochemical catalyst and ozone decomposition catalyst two aspects.
Below, with regard to mixed catalyst of the present invention and use this catalyst monolith structure to describe.Mixed catalyst photochemical catalyst of the present invention and the normal temperature oxidation catalyst that the ozone capacity of decomposition is arranged are to mix by the weight ratio of photochemical catalyst/normal temperature oxidation catalyst=30/70～70/30.By mix the catalytic effect that just can obtain photochemical catalyst and normal temperature oxidation catalyst two aspects with the weight ratio in this scope.If be lower than aforementioned proportion 30/70, the effect of photochemical catalyst significantly descends.If greater than aforementioned proportion 70/30, the ozone capacity of decomposition will reduce.
In addition, for the present invention, above-mentioned ratio is preferably in 40/60～60/40 scope.
Employed photochemical catalyst among the present invention generates electronics and hole behind light absorbing energy under the irradiation of light, make its surface have strong oxidability, has organic effects such as the formed polluter of decomposition.Can enumerate as its representative species of photochemical catalyst: titanium oxide (rutile-type, Detitanium-ore-type, brookite type), other can also enumerate gallium phosphide (GaP), GaAs (GaAs), cadmium sulfide (Cds), strontium titanates (SrTiO 3), barium titanate (BaTiO 3), zinc oxide (ZnO), vanadic anhydride (V 2O 5), tin ash (SnO 2) etc.
The normal temperature oxidation catalyst with ozone decomposition ability of Shi Yonging is the material that at normal temperatures ozone is had decomposition in the present invention.Can enumerate manganese dioxide, cupric oxide, metal oxides such as iron oxide as the oxidation catalyst that has the ozone decomposition ability at normal temperatures.This this metal oxide both can use separately, also can be use mixing two or more.In the present invention, can use mixture based on the metal oxide of manganese dioxide.The mixture of for example available 60 weight portion manganese dioxide and 40 weight portion cupric oxide in addition, also can use after this mixture adds the iron oxide of trace.
In photochemical catalyst reaction, its reaction structure is, because of the existence that ozone is arranged promotes the oxidation Decomposition of polluter or harmful substance etc. then to need to decompose harmful unreacted ozone.If with the ozone decomposition catalyst among the present invention, just do not need special energy as thermal decomposition, and can as activated carbon, not cause the consumption of catalyst yet, can be very easy and unreacted ozone is decomposed be processed into harmless oxygen.
Mixed catalyst of the present invention, owing to have the function of photochemical catalyst and ozone decomposition catalyst two aspects, for example, paint carrier and when using, can pass through primary coating, give carrier and have photochemical catalyst and two kinds of functions of ozone decomposition catalyst, thereby can reduce troublesome operation and cost than past.And when the carrier of giving such function being used on device etc., can help device construction than miniaturization in the past and simplification.
Mixed catalyst of the present invention can become practical by being applied as appropriate carriers.The present invention also provides the honeycomb with above-mentioned mixed catalyst coating.As the honeycomb blank, can exemplify paper delivery, pottery, metal etc.Except the blank of such honeycomb, can also use the carriers such as ceramic filter of paper, nonwoven, three-dimensional structure.Preferably make the powder of spent mixed catalyst and with the method for adhesive as coating method.Can enumerate silica (SiO as concrete grammar with adhesive 2) method etc. of sol method or organic bond.When using the reasonable blank of hear resistance to do carrier, also can enclose catalyst in addition by ablation.The catalyst of these practicability can be used in the devices such as interior purifier of above-mentioned footwear or air cleaner effectively.
Because what honeycomb of the present invention used is, has the mixed catalyst of photo-catalysis function and ozone capacity of decomposition, so for example do not need as in the past loaded down with trivial details operation and cost that photochemical catalyst and ozone decomposition catalyst are applied respectively.In other words, need have photochemical catalyst honeycomb and ozone decomposition catalyst honeycomb respectively in the past, and just can finish with a honeycomb now with said function.In addition, in the time of on being used in air cleaner etc., make that device construction is oversimplified more, miniaturization.
Embodiment
Embodiment 1
On the papery honeycomb, use the sol method coating catalyst
(composition of coating liquid)
1.6 liters of isopropyl alcohols
0.4 liter in water
7.5 milliliters of hydrochloric acid
15 milliliters of positive tetraethyl orthosilicic acid
TiO 2(Japanese エ ア ロ ジ Le (strain) system P25),
MnO 2(ズ-De ケ ミ-catalyst (strain) system, N-840)
Use the weight concentration shown in the table 1 respectively about titanium dioxide and manganese dioxide.The catalyst concentration (TiO in table 1 2Concentration, MnO 2Concentration and TiO 2And MnO 2Total concentration) show with the scale of the total amount of per 1 liter of isopropyl alcohol and water.
Coating process
After paper honeycomb structure (25H * 250W * 110W, aperture 4) soaked in the coating liquid of the above-mentioned composition that becomes by abundant hybrid modulation, dry at normal temperatures more than 24 hours, so just make honeycomb with catalyst coat.
The method of effect is removed in evaluation with acetic acid
The honeycomb that utilization is had catalyst coat carries out the acetic acid deodorizing, promptly estimates the effect of removing with acetic acid.Configuration honeycomb in the cell (chamber) of 1 upright square meter, so that pass through 2 square metres/minute ventilation, the acetic acid initial concentration of putting down in writing by table 1 (weight PPm) injects acetic acid in cell, after 30 minutes, calculates the rate of removing of acetic acid.
Table 1
TiO 2Concentration (g/L) MnO 2Concentration (g/L) Total concentration (g/L) Honeycomb weight (g) Coating amount (g) The acetic acid deodorizing
Before the coating After the coating Initial concentration ppm) Concentration after the deodorizing (ppm) Remove rate (%)
1 (comparison) 0 30 30 93.81 96.17 2.36 55 20.5 63
2 15 30 45 94.21 97.38 3.17 60 23 62
3 15 15 30 94.53 96.35 1.82 71.3 27.2 62
4 30 15 45 95.12 97.83 2.71 62.6 32 49
5 30 30 60 92.96 96.87 3.91 65.1 12 82
Can confirm from the 5th hurdle of table 1,, can remove 82% acetic acid by with the total concentration of 60 grams per liters and the mixed catalyst that mixes with the weight ratio of preferable range of the present invention.
Embodiment 2
Represent TiO in the table 2 except being used in respectively 2, MnO 2Beyond the concentration,, make the honeycomb of catalyst coat by carrying out operation similarly to Example 1.In addition, the catalyst concn (TiO in table 2 2Concentration, MnO 2Concentration and TiO 2And MnO 2Total concentration) show with the scale of the total amount of per 1 liter of isopropyl alcohol and water.Also the same with embodiment 1, estimate the effect of removing acetic acid by honeycomb with catalyst coat.
Table 2
TiO 2Concentration (g/L) MnO 2Concentration (g/L) Total concentration (g/) Honeycomb weight (g) Coating amount (g) The acetic acid deodorizing
Before the coating After the coating Initial concentration (ppm) Concentration after the deodorizing (ppm) Remove rate (%)
6 (comparisons) 0 50 50 92.58 95.36 2.78 70 35 50
7 25 50 75 93.43 98.15 4.72 60 20 67
8 25 25 50 94.30 97.96 3.66 61.3 24 61
9 50 25 75 93.72 98.08 4.36 67.5 28.5 58
10 50 50 100 93.71 99.63 5.92 57.5 10 83
Confirm as by having removed 83% acetic acid from the 10th hurdle of table 2 with the total concentration of 100 grams per liters and with the catalyst that the weight ratio of preferable range of the present invention is mixed.
Embodiment 3
On paper honeycomb structure, carry out the coating of catalyst with organic bond.
The composition of coating liquid
1.6 liters of isopropyl alcohols
0.4 liter in water
Methylcellulose 40 grams
TiO 2(Japanese エ ア ロ ジ Le (strain) system P25) 20 grams
MnO 2(ズ-De ケ ミ-catalyst (strain) system, N-840) 20 grams
Coating process
After paper honeycomb structure (25H * 250W * 110W, aperture 4) soaked in the coating liquid of the above-mentioned composition that becomes by abundant hybrid modulation, dry at normal temperatures more than 24 hours, so just make honeycomb with catalyst coat.
The method of effect is removed in evaluation with acetic acid
Similarly to Example 1, estimate and utilize the acetic acid of the honeycomb with catalyst coat to remove effect, the clearance of acetic acid is 85%.
Ozone decomposes the Evaluation on effect method
Estimate the ozone that utilizes honeycomb and decompose effect,, confirm that foul smell disappears by to foul smell induction test with catalyst coat.According to the concentration of measuring ozone with the method for detector tube, results verification decomposes the effect that reaches (it is following to detect boundary) below the 0.025ppm with the ozone of 0.3ppm.
As mentioned above, because shoe inside purifying method of the present invention and device have and possess the sterilization of solution and drying in the three elements of sterilization, drying and deodorizing, or the function of at least two key elements of dry and deodorizing, so when good comfort being arranged except footwear, the sterilization of footwear inside and the generation that suppresses foul smell in the footwear can also be carried out, thereby comfortable footwear environment can be kept.
In addition, because mixed catalyst of the present invention is the function with photocatalysis and ozone decomposition catalysis two aspects, so scribble the honeycomb of this mixed catalyst, can reduce cost than in the past and can also reduce troublesome operation, and be used in the device construction of honeycomb, make equipment miniaturization.

Claims (6)

1. the interior purifier of footwear is characterized in that, comprising:
Can collect the casing of footwear;
Be arranged in the above-mentioned casing, and have ejiction opening at front end, its leading section is inserted into the ventilation nozzle of the inside of footwear;
Pass the ejiction opening of ventilation with spray nozzle front end, the circulation stream with regulation is so that the ventilation unit of the interior air circulation of casing;
Be installed in front end or near it the ultraviolet germicidal lamp of above-mentioned ventilation with nozzle;
The mixed catalyst that in above-mentioned circulation stream, comprises photochemical catalyst or ozone decomposition catalyst or photochemical catalyst and ozone decomposition catalyst.
2. purifier in the footwear as claimed in claim 1 is characterized in that in above-mentioned mixed catalyst, the weight ratio of described deodorizing photoactivation agent and ozone decomposition catalyst is 30/70 to 70/30.
3. purifier in the footwear as claimed in claim 1 is characterized in that above-mentioned ultraviolet germicidal lamp is the bactericidal lamp of ozoniferous ultraviolet wavelength.
4. as purifier in claim 1, the 2 or 3 described footwear, it is characterized in that above-mentioned mixed catalyst is applied on the honeycomb.
5. purifier in the footwear as claimed in claim 1 is characterized in that, in by the air circulation stream in the above-mentioned casing of above-mentioned ventilation unit, comprises the hot blast unit.
6. purifier in the footwear as claimed in claim 5 is characterized in that above-mentioned hot blast unit comprises heater and temperaturecontrol sensor.
CNB2004100283276A 2003-02-19 2004-02-19 Shoe inside purifying method and device thereof, mixing catalyst and honey comb structure thereof Expired - Fee Related CN1262224C (en)

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
JP000768/2003 2003-02-19
JP040849/2003 2003-02-19
JP040849/03 2003-02-19
JP2003000768 2003-02-19
JP2003040849A JP4615190B2 (en) 2003-02-19 2003-02-19 Shoe purification method and apparatus
JP000768/03 2003-02-19
JP2003334216A JP2005095804A (en) 2003-09-25 2003-09-25 Mixed catalyst and honeycomb using it
JP334216/03 2003-09-25
JP334216/2003 2003-09-25

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CN1262224C true CN1262224C (en) 2006-07-05

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101214383B (en) * 2007-12-29 2012-05-16 郭声光 Drying sterilizing and disinfecting device for shoe cabinet
KR101663371B1 (en) * 2014-09-03 2016-10-06 전북대학교산학협력단 Sterilizer for hat with TiO2 photocatalytic reaction
CN105852775A (en) * 2016-04-18 2016-08-17 金勇� Bactericidal device for shoes
WO2018006189A1 (en) * 2016-07-02 2018-01-11 宋英楠 Smart shoe cabinet and maintenance method thereof
CN106993894A (en) * 2017-05-22 2017-08-01 福州卫康智能科技有限公司 A kind of intelligent shoe cabinet
KR101881521B1 (en) * 2018-01-25 2018-07-24 조권환 Sterilizing device for physiological cup

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