CN100355461C - Upright type photocatalytic air sterilizing purifying device - Google Patents

Upright type photocatalytic air sterilizing purifying device Download PDF

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Publication number
CN100355461C
CN100355461C CNB2005100962144A CN200510096214A CN100355461C CN 100355461 C CN100355461 C CN 100355461C CN B2005100962144 A CNB2005100962144 A CN B2005100962144A CN 200510096214 A CN200510096214 A CN 200510096214A CN 100355461 C CN100355461 C CN 100355461C
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photocatalysis
wind wheel
scavenging solution
upright type
housing
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CN1768865A (en
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张宗权
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Shaanxi Normal University
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Shaanxi Normal University
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Abstract

The present invention relates to a vertical air sterilization and purification device with photocatalysis. The lower part in a casing is provided with a power chamber in which a speed regulation motor and a transmission gear box connected with the speed regulation motor are arranged, an ultraviolet lamp, a photocatalysis net, at least one photocatalysis wind wheel connected with the transmission gear box, a liquid level indicator, purged liquid and an ultraviolet lamp of the purged liquid in the purged liquid, wherein an axial flow fan and an activated carbon filter net are arranged in the middle in the casing; the upper part in the casing is provided with a negative ion generator connected with a power supply of the negative ion generator by a conducting wire; the upper part of the casing is provided with a control panel and a blind of a wind outlet; the side at the lower part of the casing is provided with a filter net for the wind outlet, an inlet blind, a charging valve for the purged liquid, and a discharging valve for the purged liquid. The present invention has the advantages of reasonable design, simple structure, high purification speed, high efficiency, no secondary pollution, air freshness, etc. and can be popularized and used in the places such as hospitals, office buildings, conference rooms, classrooms, theatres, households, etc.

Description

Upright type photocatalytic air sterilizing purifying device
Technical field
The invention belongs to the air purifying process field, be specifically related to upright type photocatalytic air sterilizing purifying device.
Technical background
Room air pollution is well-known to the harm of human health, and is particularly more serious to children and the old and the weak patient's influence.Scientist points out that the mankind are being faced with thing followed harm when the enjoyment industrial development brings material progress.After having experienced coal-smoke pollution, photochemical fog type and having polluted, mankind's inlet chamber internal contamination period.But people do not stop because of the negative effect of decoration design for residence, have impelled the fast development of air cleaning industry therefrom.
The product of the indoor air purification of Xiao Shouing is a lot of in the market, and the patent application of submitting to Patent Office of the People's Republic of China has reached hundreds of spare.These indoor air purification product and patents, its structure are still based on traditional filtration, activated carbon adsorption, ultraviolet sterilization, ozone sterilization, electrostatic precipitation.Above-mentioned indoor air purification product and patent ubiquity efficient is low, energy consumption is high, only the part composition to air pollutants has effect, has secondary pollution problem.
The patent No. is the Chinese patent of ZL03209081, ZL0320115259, ZL02121329, adopt difformity and structure photocatalytic elements---the photocatalysis air purifying device of formations such as plane net, three dimensional network, Cellular Networks has been obtained certain clean-up effect.But as the air purifier of dynamic duty, its air velocity is very fast, and the indoor pollution substrate concentration is lower.Pollutant and photocatalyst contact probability are little in the above-mentioned patent, the time short, so the purification efficiency of these air purifiers is lower.
Summary of the invention
Technical problem to be solved by this invention is to overcome the shortcoming of above-mentioned indoor air purification product and patent, provide a kind of reasonable in design, simple in structure, purification speed is fast, efficient is high, non-secondary pollution, and upright type photocatalytic air sterilizing purifying device that can fresh air.
Solving the problems of the technologies described above the technical scheme that is adopted is: buncher is installed and the power house of the speed-changing gear box that links with buncher in the intravital bottom of shell is provided with, uviol lamp, photocatalysis net, at least 1 left photocatalysis wind wheel or right photocatalysis wind wheel that links with speed-changing gear box, fluid level indicator, scavenging solution and the scavenging solution uviol lamp in scavenging solution, be provided with axial flow blower and active carbon filter screen at the intravital middle part of shell, be provided with the anion generator that is connected with the anion generator power supply by lead on the intravital top of shell, be provided with control panel and air outlet BAIYE on the top of housing, be provided with the air inlet filter screen in the lower housing portion side, the air inlet BAIYE, the scavenging solution charging valve, and scavenging solution bleeder valve.
Left photocatalysis wind wheel of the present invention is: but at the skeleton that radially is provided with 6~12 circumference in equal parts of turning cylinder, each skeleton is provided with the wind wheel photocatalysis net, and turning cylinder links by connector and speed-changing gear box.
Wind wheel photocatalysis net of the present invention is coated with the nano-TiO of anatase crystal for the surface 240 or 50 or 60 order stainless (steel) wires.
Photocatalysis net of the present invention is coated with the nano-TiO of anatase crystal for the surface 240 or 50 order stainless (steel) wires.
The wavelength of uviol lamp of the present invention and scavenging solution uviol lamp is 365nm.
Scavenging solution of the present invention is by H 2O 2Being mixed with concentration with pure water is 1~2% H 2O 2Aqueous solution.
Fluid level indicator of the present invention is a Liquid level scale.
The present invention has adopted left photocatalysis wind wheel, right photocatalysis wind wheel, has contained H 2O 2Scavenging solution, and the scavenging solution uviol lamp is set in scavenging solution, the Lower Half wind wheel photocatalysis net of left side photocatalysis wind wheel and right photocatalysis wind wheel immerses in the scavenging solution, the wind wheel photocatalysis net is in light catalytic purifying and filtered air pollutant, the scavenging solution of surface adsorption, particulate contaminants and harmful gas are played intensive adhesion and adsorption respectively, and will trap airborne pollutant and transfer in the scavenging solution rapidly, in the wind wheel photocatalysis net photocatalytic degradation water pollutant of left photocatalysis wind wheel and right photocatalysis wind wheel, the H in the scavenging solution 2O 2The ultraviolet light that sends with the scavenging solution uviol lamp carries out removing extremely fast and degraded to the pollutant of collecting in the water.The present invention has adopted uviol lamp, photocatalysis net, active carbon filter screen, the minute quantity pollutant that pass left photocatalysis wind wheel and right photocatalysis wind wheel is further killed remove, degrade and absorption.The present invention has also adopted anion generator, and anion generator can produce negative aeroion, and negative aeroion has biological effect to the people, and the people sucks the air in certain amount anion has in various degree improvement to respiratory system, blood circulation, nervous function.That the present invention has is reasonable in design, simple in structure, purification speed is fast, efficient is high, non-secondary pollution, and can fresh air etc. advantage, can promote the use of in places such as hospital, office building, meeting room, classroom, cinema and families.
Description of drawings
The structural representation of Fig. 1 embodiment of the invention 1.
Fig. 2 is the structural representation of left photocatalysis wind wheel 16 among Fig. 1.
The specific embodiment
The present invention is described in more detail below in conjunction with drawings and Examples, but the invention is not restricted to these embodiment.
Embodiment 1
In Fig. 1,2, the upright type photocatalytic air sterilizing purifying device of present embodiment is to be connected by housing 1, air outlet BAIYE 2, anion generator 3, axial flow blower 4, anion generator power supply 5, air inlet filter screen 6, air inlet BAIYE 7, right photocatalysis wind wheel 8, scavenging solution bleeder valve 9, clean room's dividing plate 10, power house 11, speed-changing gear box 12, buncher 13, scavenging solution uviol lamp 14, scavenging solution 15, left photocatalysis wind wheel 16, Liquid level scale 17, scavenging solution charging valve 18, uviol lamp 19, photocatalysis net 20, active carbon filter screen 21, control panel 22 to constitute.
The dynamic chamber 11 of cast molding of back side lower part in housing 1 and clean room's dividing plate 10, clean room's dividing plate 10 is slit into left clean room and right clean room with lower part in the housing 1, in power house 11, be installed with buncher 13 and speed-changing gear box 12 with the screw threads for fastening connector, buncher 13 is for the invention provides power, speed-changing gear box 12 Machine Design routinely converts rotatablely moving of buncher 13 to forward and the reverse rotation campaign is exported by two output shafts through gear reduction commutation.In the left and right sides, bottom of housing 1 air inlet BAIYE 7, scavenging solution charging valve 18, scavenging solution bleeder valve 9 are installed, side body 1 side is equipped with air inlet filter screen 6 in the air inlet BAIYE 7.Layering is equipped with 6 uviol lamps 19 above clean room, a left side, bottom and the right clean room in housing 1, the wavelength of uviol lamp 19 is 365nm, to launch ultraviolet light after uviol lamp 19 energized, the contaminated air that enters in the present invention is sterilized, two uviol lamps 19 are upper and lower above the bottom in housing 1 respectively is equipped with 1 photocatalysis net 20, and photocatalysis net 20 is the nano-TiO that 40 order surfaces are coated with anatase crystal 2Stainless (steel) wire, the ultraviolet light that uviol lamp 19 is launched is a nano-TiO on the photocatalysis net 20 2Exciting light, the pathogenic bacteria that swims residual in the deacration is killed in radiation simultaneously.In housing 1, in the clean room, a left side, bottom left photocatalysis wind wheel 16 is installed, right photocatalysis wind wheel 8 is installed in right clean room.
The left photocatalysis wind wheel 16 of present embodiment is to be connected by turning cylinder 16-1, skeleton 16-2, wind wheel photocatalysis net 16-3 to constitute.Radially be installed with 8 skeleton 16-2 at turning cylinder 16-1 with the screw threads for fastening connector is uniform, on each skeleton 16-2, be installed with wind wheel photocatalysis net 16-3, skeleton 16-2 and wind wheel photocatalysis net 16-3 constitute the wind wheel blade of left photocatalysis wind wheel 16, and wind wheel photocatalysis net 16-3 is the nano-TiO that 60 order surfaces are coated with anatase crystal 2Stainless (steel) wire.Turning cylinder 16-1 connects with speed-changing gear box 12 left side output shafts by connector, and buncher 13 rotations turn clockwise through the left photocatalysis wind wheel 16 of speed-changing gear box 12 deceleration drives.Right photocatalysis wind wheel 8 is identical with the structure of left photocatalysis wind wheel 16, the bending direction of right photocatalysis wind wheel 8 wind wheel blades is opposite with the bending direction of left photocatalysis wind wheel 16 wind wheel blades, and buncher 13 rotations are slowed down to commutate through speed-changing gear box 12 and driven right photocatalysis wind wheel 8 inhour rotations.Left photocatalysis wind wheel 16 is manufactured with circular arc with the top of right photocatalysis wind wheel 8 in the housing 1, and the chord length of circular arc is 1.2 times of adjacent two wind wheel blade outer edge distances, and the distance between the outer edge of wind wheel blade and housing 1 are interior is 0.5mm.Launch ultraviolet light after uviol lamp 19 energized, to the nano-TiO on the wind wheel photocatalysis net 16-3 of left photocatalysis wind wheel 16 and right photocatalysis wind wheel 8 2Exciting light is provided, the contaminated air that enters in the present invention is carried out the photo-catalyst purification.
Scavenging solution 15 is equipped with in bottom in housing 1, and the scavenging solution 15 of present embodiment is by H 2O 2Being mixed with concentration with pure water is 1.5% H 2O 2Aqueous solution, the liquid level of scavenging solution 15 should be with wind wheel blade under the left photocatalysis wind wheel 16 turning cylinder 16-1 and the wind wheel blade submergence under right photocatalysis wind wheel 8 turning cylinders, when left side photocatalysis wind wheel 16 and 8 rotations of right photocatalysis wind wheel, make wind wheel photocatalysis net 16-3 go up adsorbed contaminants and be brought in the scavenging solution 15 H in the scavenging solution 15 2O 2The pollutant that enter in the scavenging solution 15 are sterilized and degrade.Lower sides clean room, a left side and right clean room internal fixation in housing 1 are equipped with 4 scavenging solution uviol lamps 14, scavenging solution uviol lamp 14 is immersed in the scavenging solution 15, the wavelength of scavenging solution uviol lamp 14 is 365nm, be used to launch ultraviolet light, the ultraviolet light of being launched goes up nano-TiO for wind wheel photocatalysis net 16-3 2Exciting light is provided, the pollutant of bringing in the scavenging solution 15 are carried out the photo-catalyst purification.14 radiation simultaneously of scavenging solution uviol lamp are killed to remove and are entered pathogenic bacteria in the scavenging solution 15.H in the scavenging solution of wind wheel photocatalysis net 16-3 absorption 2O 2, can effectively capture nano-TiO 2The light induced electron on surface, the simple composite in inhibition light induced electron and hole improves its quantum efficiency, and the ability that the present invention is purified air significantly strengthens.Lower sides in housing 1 is installed with Liquid level scale 17 with the screw threads for fastening connector, Liquid level scale 17 is an embodiment of fluid level indicator, also can adopt other fluid level indicator, as digital fluid level indicator, the fluid level indicator of pointer-type, Liquid level scale 17 is used to observe the liquid level of scavenging solution 15 in the housing 1, when the liquid level of scavenging solution in the housing 15 is hanged down, can add scavenging solution 15.
On the middle part photocatalysis net 20 in housing 1 active carbon filter screen 21 is installed, axial flow blower 4 is installed on the active carbon filter screen 21.Active carbon filter screen 21 is used for the residual contaminants of adsorption gas flow.Axial flow blower 4 rotations make indoor contaminated air enter after sterilization and purification from air inlet BAIYE 7 and flow out.Top in housing 1 is equipped with anion generator 3, anion generator 3 is connected with anion generator power supply 5 in being installed in housing 1 interlayer by lead, the negative aeroion that anion generator 3 produces has biological effect to human body, human body sucks the air in certain amount anion to respiratory system, blood circulation, nervous function has improvement in various degree, clinical proof negative aeroion is to the control acute/chronic bronchitis, asthma, hypertension, hyperlipidemia, coronary heart disease, the neurasthenia all has certain curative effect, to healthy people's allaying tiredness, improve sleep quality remarkable effect is arranged.Air outlet BAIYE 2 and control panel 22 are installed on the top of housing 1, adjust the angle of air port BAIYE 2, can adjust the outflow direction that purifies the back air, switch, button are installed on the control panel 22.
Embodiment 2
In the present embodiment, photocatalysis net 20 is nano-TiOs that 40 order surfaces are coated with anatase crystal 2Stainless (steel) wire.Left side photocatalysis wind wheel 16 is radially to be installed with 6 skeleton 16-2 with the screw threads for fastening connector is uniform at turning cylinder 16-1, on each skeleton 16-2, be installed with wind wheel photocatalysis net 16-3, skeleton 16-2 and wind wheel photocatalysis net 16-3 constitute the wind wheel blade of left photocatalysis wind wheel 16, and wind wheel photocatalysis net 16-3 is the nano-TiO that 40 order surfaces are coated with anatase crystal 2Stainless (steel) wire.Right photocatalysis wind wheel 8 is identical with the structure of left photocatalysis wind wheel 16, and the bending direction of right photocatalysis wind wheel 8 wind wheel blades is opposite with the bending direction of left photocatalysis wind wheel 16 wind wheel blades.Scavenging solution 15 is equipped with in bottom in housing 1, and scavenging solution 15 is by H 2O 2Being mixed with concentration with pure water is 1% H 2O 2Aqueous solution.The connecting relation of other parts and parts is identical with embodiment 1.
Embodiment 3
In the present embodiment, photocatalysis net 20 is nano-TiOs that 50 order surfaces are coated with anatase crystal 2Stainless (steel) wire.Left side photocatalysis wind wheel 16 is radially to be installed with 12 skeleton 16-2 with the screw threads for fastening connector is uniform at turning cylinder 16-1, on each skeleton 16-2, be installed with wind wheel photocatalysis net 16-3, skeleton 16-2 and wind wheel photocatalysis net 16-3 constitute the wind wheel blade of left photocatalysis wind wheel 16, and wind wheel photocatalysis net 16-3 is the nano-TiO that 50 order surfaces are coated with anatase crystal 2Stainless (steel) wire.Right photocatalysis wind wheel 8 is identical with the structure of left photocatalysis wind wheel 16, and the bending direction of right photocatalysis wind wheel 8 wind wheel blades is opposite with the bending direction of left photocatalysis wind wheel 16 wind wheel blades.Scavenging solution 15 is equipped with in bottom in housing 1, and scavenging solution 15 is by H 2O 2Being mixed with concentration with pure water is 2% H 2O 2Aqueous solution.The connecting relation of other parts and parts is identical with embodiment 1.
Embodiment 4
In the present embodiment, the bottom is manufactured with one and purifies the chamber in housing 1, at the purification intracavity photocatalysis wind wheel is installed, and the left photocatalysis wind wheel 16 of the structure of photocatalysis wind wheel and embodiment 1 is identical.The connecting relation of other parts and parts is identical with embodiment 1.
In order to verify beneficial effect of the present invention, the upright type photocatalytic air sterilizing purifying device consignment test unit that the applicant adopts the embodiment of the invention 1 to make has carried out the indoor purifying test, and various test situation are as follows:
One, content measurement and foundation
The nanometer photocatalytic air purifying device, also there is not national standard at present, the purification efficiency of upright type photocatalytic air sterilizing purifying device detects, with reference to GB/T18883-2002 " IAQ (indoor air quality) standard ", GB/T17093-1997 " total number of bacteria sanitary standard in the room air ", and with reference to GB/T18801-2002 " air purifier ", adopt on-the-spot manual simulation contaminated environment, detect its purifying rate.
Two, experimental enviroment and purifier running parameter
60m 3Spatial room, temperature are 22~28 ℃, and relative humidity is 23~24%; Air output of the present invention is 400m 3/ h, the rotating speed of photocatalysis wind wheel are 3 rev/mins, and scavenging solution 15 is by H 2O 2Being mixed with concentration with pure water is 1.5% H 2O 2Aqueous solution, the running voltage of anion generator 3 are 7.3kv.
Three, experimental apparatus and equipment
P-5L2C type micro computer dust determination instrument, green guest's wound company that reaches produces by Beijing; The portable formaldehyde assay determination of 4160 types instrument is produced by American I NTERSCAN company; 9cm ordinary nutrient agar flat board, calorstat, DLY-2 type air ion analyzer, the commercially available prod.
Four, purifying rate computational methods
Because the experimental test period is shorter, ignores natural decay rate, purifying rate is calculated as follows:
Purifying rate=(pollutant levels before starting-operation back residual contamination substrate concentration)/pollutant levels * 100% before starting.
Five, detection method and result
1, the present invention detects indoor smoke contamination air purification effect
Detection method: with 60m 3After ground, spatial room, the wall cleaning, close the doors and windows and leave standstill 12 hours.Adopt burning medicated cigarette method generation flue dust, remove comburant, start circulating fan and stirred 5 minutes, treat that flue dust is evenly distributed, reach 2.54mg/m with dust concentration in the P-5L2C type micro computer dust determination instrument mensuration room air 3The present invention is placed the middle part, ground, start the present invention, on indoor diagonal apart from four jiaos of 1m and apart from ground 1.5m eminence and 0.5m place, top of the present invention, 5 test points are set, the 20 minutes concentration with flue dust in the P-5L2C type micro computer dust determination instrument mensuration air in every interval is calculated average dust concentration in the air, and the purifying rate of the interior flue dust of counting chamber.
Test result: test result sees Table 1.
Table 1 flue dust testing result table in the clean room of the present invention
Running time of the present invention (min) 0 20 40 60
Dust concentration (mg/m 3) 2.54 1.25 0.36 0.02
Purifying rate (%) 0 50.79 85.83 99.21
2, the present invention detects indoor formaldehyde gaseous contamination air purification effect
Detection method: with 60m 3After ground, spatial room, the wall cleaning, close the doors and windows and leave standstill 12 hours.5 open-top receptacles that formalin is housed evenly are set on the ground, from the side with little air quantity fan to blowing, produce formaldehyde gas, make formaldehyde gas be full of the space, remove formalin, start circulating fan and stirred 5 minutes, treat that formaldehyde gas is evenly distributed, reach 1.98mg/m with the portable formaldehyde assay determination of 4160 types instrument determination test formaldehyde in indoor air concentration 3The present invention is placed the middle part, ground, start the present invention, on indoor diagonal apart from four jiaos of 1m and apart from ground 1.5m eminence and 0.5m place, top of the present invention, 5 test points are set, 20 minutes the concentration in every interval with formaldehyde in the portable formaldehyde assay determination of the 4160 types instrument mensuration air, the mean concentration of formaldehyde gas in the calculating room air, and the purifying rate of the interior formaldehyde gas of counting chamber.
Testing result: testing result sees Table 2.
Table 2 formaldehyde gas testing result table in the clean room of the present invention
Depurator running time (min) 0 20 40 60
Concentration of formaldehyde (mg/m 3) 1.98 0.62 0.25 0.03
Purifying rate (%) 0 68.69 87.37 98.48
3, the present invention kills antibacterial in the room air and removes effect detection
Detection method: with 60m 3Closing the doors and windows and leave standstill 12 hours in spatial room, then the present invention is placed the middle part, ground.Apart from four jiaos of 1m and apart from ground 1.5m eminence and 0.5m place, top of the present invention, 5 test points are set on indoor diagonal, with the sampling in 5 minutes of 9cm ordinary nutrient agar plate exposure, cultivated 48 hours in 37 ℃ of calorstats, asking the clump count meansigma methods is 56/ware.Move every interval, back 20 minutes in the present invention,, ask the clump count meansigma methods, calculate purifying rate with the dull and stereotyped sampling of ordinary nutrient agar.
Testing result: testing result sees Table 3.
Table 3 kills antibacterial in the room air with the present invention and removes the testing result table
Running time of the present invention (min) 0 20 40 60
Clump count (individual/ware) 56 23 8 3
Purification efficiency (%) 0 58.93 85.71 94.64
4, the present invention produces the air-anion concentration detection
Detection method: with 60m 3After ground, spatial room, the wall cleaning, close the doors and windows, then the present invention is placed ground, room one end, air outlet points to room space central authorities.After the present invention moves 60 minutes, on air-out BAIYE 2 perpendicular bisectors, detect negative ion concentration with DLY-2 type air ion analyzer at a certain distance from 2 mouthfuls of beginnings of air-out BAIYE.
Testing result: testing result sees Table 4.
The air-anion concentration testing result table that table 4 the present invention produces
Measuring distance (m) Negative ion concentration (* 10 5Individual/cm 3)
0.3 56.34
1.0 14.86
1.5 5.38
2.0 2.12
2.5 0.33
Six, conclusion
Find out by testing result: at 60m 3In the spatial room, the present invention moves 60 minutes, and the purifying rate of flue dust is reached 99.21%, and the purifying rate of PARA FORMALDEHYDE PRILLS(91,95) reaches 98.48%, and the sterilizing rate of antibacterial is reached 94.64%, and at 2 mouthfuls of 2 meters of distance air-out BAIYE, negative ion concentration reaches 2.12 * 10 5Individual/cm 3The limit value that pollutant load in the room air is significantly less than among GB/T18883-2002 " IAQ (indoor air quality) standard ", the GB/T17093-1997 " total number of bacteria sanitary standard in the room air " (can suck granule≤0.15mg/m 3, concentration of formaldehyde≤0.1mg/m 3, total number of bacteria≤45/ware).

Claims (7)

1, a kind of upright type photocatalytic air sterilizing purifying device, it is characterized in that: buncher (13) is installed and the power house (11) of the speed-changing gear box (12) that links with buncher (13) in the bottom in housing (1) is provided with, uviol lamp (19), photocatalysis net (20), at least 1 left photocatalysis wind wheel (16) or right photocatalysis wind wheel (8) that links with speed-changing gear box (12), fluid level indicator, scavenging solution (15) and the scavenging solution uviol lamp (14) in scavenging solution (15), middle part in housing (1) is provided with axial flow blower (4) and active carbon filter screen (21), top in housing (1) is provided with the anion generator (3) that is connected with anion generator power supply (5) by lead, be provided with control panel (22) and air outlet BAIYE (2) on the top of housing (1), be provided with air inlet filter screen (6) in housing (1) lower side, air inlet BAIYE (7), scavenging solution charging valve (18), and scavenging solution bleeder valve (9).
2, according to the described upright type photocatalytic air sterilizing purifying device of claim 1, it is characterized in that said left photocatalysis wind wheel (16) is: at turning cylinder (16-1) but the skeleton that radially is provided with 6~12 circumference in equal parts (16-2), each skeleton (16-2) is provided with wind wheel photocatalysis net (16-3), and turning cylinder (16-1) links by connector and speed-changing gear box (12).
3,, it is characterized in that said wind wheel photocatalysis net (16-3) is coated with the nano-TiO of anatase crystal for the surface according to the described upright type photocatalytic air sterilizing purifying device of claim 2 240 or 50 or 60 order stainless (steel) wires.
4,, it is characterized in that said photocatalysis net (20) is coated with the nano-TiO of anatase crystal for the surface according to the described upright type photocatalytic air sterilizing purifying device of claim 1 240 or 50 order stainless (steel) wires.
5,, it is characterized in that the wavelength of said uviol lamp (19) and scavenging solution uviol lamp (14) is 365nm according to the described upright type photocatalytic air sterilizing purifying device of claim 1.
6,, it is characterized in that said scavenging solution (15) is by H according to the described upright type photocatalytic air sterilizing purifying device of claim 1 2O 2Being mixed with concentration with pure water is 1~2% H 2O 2Aqueous solution.
7,, it is characterized in that said fluid level indicator is Liquid level scale (17) according to the described upright type photocatalytic air sterilizing purifying device of claim 1.
CNB2005100962144A 2005-10-20 2005-10-20 Upright type photocatalytic air sterilizing purifying device Expired - Fee Related CN100355461C (en)

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CN1614322A (en) * 2004-10-14 2005-05-11 北京工业大学 Vertical light catalytic air purifier

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