CN203540331U - Photocatalytic air purification device - Google Patents
Photocatalytic air purification device Download PDFInfo
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- CN203540331U CN203540331U CN201320580870.1U CN201320580870U CN203540331U CN 203540331 U CN203540331 U CN 203540331U CN 201320580870 U CN201320580870 U CN 201320580870U CN 203540331 U CN203540331 U CN 203540331U
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- catalyst
- helical duct
- cleaning device
- air cleaning
- catalyst carrier
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Abstract
The utility model discloses a photocatalytic air purification device. The photocatalytic air purification device comprises a spiral channel with an air inlet and an air outlet, wherein a plurality of catalyst units are arranged inside the spiral channel; each catalyst unit comprises a catalyst carrier with a pore structure and a g-C3N4 photo-catalyst adhered on the catalyst carrier; the periphery of the catalyst carrier is connected with the inner wall of the spiral channel; the lateral side of the spiral channel is prepared from a light-transmitting material; a visible light source for irradiating the g-C3N4 photo-catalyst is arranged inside the spiral channel. The utility model further provides a photocatalytic air purification method. The photocatalytic air purification device provided by the utility model is in a structure of the spiral channel to guide air flow, so that the use ratio of an internal space of the device is greatly improved, the journey, time and contact area where air passes through the catalyst are increased; the photocatalytic efficiency is improved; the entire volume of the device is reduced; the photocatalytic air purification device and the photocatalytic air purification method are applicable to various fields.
Description
Technical field
The utility model relates to a kind of air cleaning unit, relates in particular to a kind of air cleaning unit that utilizes photocatalysis technology poultry house air to be carried out to deodorizing, belongs to air purification field.
Background technology
Along with the continuous increase of livestock and poultry cultivation density, poultry house environmental sanitation problem is increasingly outstanding, and odor pollution becomes a key factor that affects poultry house internal environment quality gradually.Foul smell in poultry house environment mainly comes from the fecaluria that livestock and poultry excretion produces, and in fecaluria, containing a large amount of nitrogen and phosphorus, under oxygen free condition, will resolve into the very large NH of human and livestock health harm
3, H
2s, CH
4deng pernicious gas.If livestock and poultry live in this environment for a long time, will stimulate its upper respiratory tract mucous membrane, very easily infect or excite breathing problem, as asthma, contagious pleuropneumonia etc.Dirty air also will cause the irritability syndrome of livestock and poultry, be embodied in that appetite declines, lactation reduces, mad dry uneasiness or drowsy, sting tail and chew ear etc.The deodorization technology that applies at present poultry house mainly comprises: absorption and absorption method, chemistry and biological deodorant method, washing method etc., these technology ubiquity costs are high, energy consumption is high, equipment is complicated and the problem such as contaminated environment.For example, publication number is that the patent documentation of CN201150667A discloses a kind of poultry house air purifier, it comprises wall-hanging casing and is arranged on the power switch button on wall-hanging casing, before wall-hanging casing, in gas outlet, be provided with swingable valve, wall-hanging casing inner bottom part is equipped with ozone generator, in wall-hanging casing, fan is housed below, the centre of the hanging casing of the installation site alignment wall gas outlet of fan, the ozone delivery outlet of ozone generator is below fan.It utilizes ozone to carry out sterilization, sterilization, deodorizing to the air in poultry house.But the making of this clarifier and use cost are all higher, and can pollute environment.And the air purifying process of some expensive and high energy of using America and Europe and equipment etc. are inapplicable to China's semi-open poultry house of current more than 85% opening, do not meet the animal husbandry development needs of low-carbon (LC) yet.
Photocatalysis oxidation technique, as a kind of high-level oxidation technology, almost can generate CO by all organic matters of catalytic oxidation
2, H
2the simple inorganic matter such as O.The outstanding behaviours of photocatalyst exactly meets for environmental pollution, Deodor aspect demand.In photocatalyst, that research is at present comparatively ripe is metal-oxide semiconductor material TiO
2but the required light wavelength of its catalytic reaction must be less than 385nm, to have relatively high expectations (part that natural daylight spectrum medium wavelength is less than 385nm only accounts for 5%) of light.A kind of carboritride semi-conducting material-g-C that found in recent years and synthesized
3n
4, it has and TiO equally
2the catalytic property being close.But it is compared to TiO
2prepare simpler, wider for light wavelength claimed range, can under the condition of visible ray, activate, be very promising novel photocatalyst.
Photocatalysis has the advantages such as low energy consumption, easy to operate, non-secondary pollution.Photocatalysis technology rarely has report in research and the application of plant at present.Therefore,, according to features such as poultry house structure, poultry house feeding and management and She Nei air pollutions, research and development are applicable to photocatalysis deodorization technology and the equipment of poultry house, can be poultry house air cleaning and start new approach.
Utility model content
The utility model provides a kind of photocatalysis air cleaning device, and this device utilizes photocatalysis principle to purify contaminated air, improved the inside and outside air quality of poultry house, has ensured livestock and poultry in poultry house and staff and periphery resident's welfare; Meanwhile, focus on the odor removal efficient of whole device, make it have good economic serviceability.
A kind of photocatalysis air cleaning device, comprises the helical duct with air inlet and gas outlet, is furnished with some catalyst units in this helical duct; Described catalyst unit comprises having pore structure catalyst carrier and be attached to the g-C in this catalyst carrier
3n
4photochemical catalyst, the surrounding of catalyst carrier is connected with described helical duct inner wall sealing; Described helical duct sidewall is light-transmitting materials, is provided with and irradiates described g-C in this helical duct
3n
4the visible light source of photochemical catalyst.
For improving purification efficiency, as preferably, described catalyst carrier is Alveolate activated carbon capable sheet.The absorption principle of active carbon (cocoanut active charcoal) comprises physical absorption, chemisorbed, ionic adsorption.Physical absorption shows the hole prosperity of active carbon, when in air, impurity diameter is greater than the hole of active carbon, will be blocked; Chemisorbed, is the filtration that realizes colourity, stink due to the material generation chemical reaction of the substance containing in active carbon hole and air, and ionic adsorption also has close principle with chemisorbed.Experiment shows, Alveolate activated carbon capable sheet has good adsorption effect to organic exhaust gas.This device adopts the carrier of cellular cocoanut active charcoal as photochemical catalyst, under on the less prerequisite of gas-flow resistance impact, improves as far as possible the specific area of catalyst carrier; Realize suction-operated and the g-C of active carbon simultaneously
3n
4the organic coupling of photocatalysis, has improved organic degradation effect.
General even being arranged in helical duct of catalyst unit of the present utility model, the content of the pollutants in air matter that the quantity of setting can be processed is according to actual needs determined.
The utility model adopts the poroid cocoanut active charcoal of honeycomb as carrier, uses dip coating load g-C
3n
4, obtained composite adsorption catalyst.Choice for use active carbon is during simultaneously as the design of supporter and adsorbent, and the suction-operated of active carbon has improved g-C preferably
3n
4the photocatalysis time, make photocatalysis more thorough.Meanwhile, g-C
3n
4can make the larger molecular organics of charcoal absorption fully degrade, extend the service life of active carbon.
Helical duct of the present utility model can be realized by variety of way, and for example, a kind of preferred mode comprises: coaxial cylindrical inner casing and the cylinder blanket arranging and be arranged on the spiral plate between cylindrical inner casing and cylinder blanket; Between described cylindrical inner casing, cylinder blanket and spiral plate, form described helical duct.In addition, for convenience of manufacturing of photocatalysis air cleaning device of the present utility model, can adopt modularized design, by spiral plate and inner casing and/or make module product, during actual use, according to concrete use occasion difference, adjusting module is installed number, thereby realizes the adjustment of the overall length of helical duct.Cylindrical inner casing and cylinder blanket and the spiral plate being arranged between cylindrical inner casing and cylinder blanket all can adopt lucite material, under the prerequisite of proof strength, make full use of lamp.
For the air after further assurance purification, discharge as early as possible, guarantee that in follow-up purification process, the smooth of air flows, the end that described cylinder blanket is positioned at the gas outlet of helical duct is coaxially fixed with installing ring, is fixed with the blower fan of bleeding in installing ring.
For guaranteeing that indoor air to be clean enters into photocatalysis air cleaning device of the present utility model smoothly, as preferably, the end that described cylinder blanket is positioned at the air inlet of helical duct is coaxially fixed with the deflector that enlarging arranges.The deflector of enlarging setting plays stack effect, is beneficial to reaction in pernicious gas access to plant.
As preferred scheme, described deflector port position is provided with the filter screen that the air to entering helical duct filters.Described screen pack, for filtering dust, pollutant and the insect that air particle diameter to be clean is larger, prevents that its access to plant from damaging its internal junction, increases the service life of photocatalysis air cleaning device described in the utility model.
By g-C
3n
4absorption collection of illustrative plates to ultraviolet-visible light is known, g-C
3n
4at wavelength, be about 390-410nm place and have the strongest absworption peak, as preferably, described visible light source is that wavelength is the LED lamp of 400nm-405nm, each catalyst carrier both sides at least two LED lamps that are staggeredly placed.In addition, the LED lamp that wavelength is 400nm-405nm comparatively cheap, be conducive to reduce the cost of manufacture of whole air cleaning unit, and 400nm-405nm wavelength is harmless to human body and livestock and poultry, is suitable for multiple occasion and uses.
For further reducing energy consumption, as preferably, in the LED lamp that described each catalyst carrier both sides are staggeredly placed, has a part at least for light-operated switch control.When daytime, natural daylight intensity met the demands, light-operated switch cuts out a part of LED lamp, reaches energy-conservation effect.When natural light intensity does not meet the demands, LED that light-operated switch again can open and close etc., meets the occasion of different natural luminosity.
When photocatalysis air purifying method of the present utility model is used at poultry house, the impact of fowl poultry being had a rest for reducing light, as preferably, also comprises the shadow shield that is arranged on the survey backlight of described helical duct.Meanwhile, shadow shield returns the light reflection irradiating on it in helical duct, again reflection ray is utilized, and has further reduced energy consumption, has improved purification efficiency.
The utility model also provides a kind of method purifying air, and the method can efficiently be removed airborne noxious pollutant, and it is lower to remove cost.
A kind of photocatalysis air purifying method, passes into air to be clean in helical duct described in arbitrary described technical scheme above, treats to purify air carry out purified treatment by photochemical catalyst.The pitch of described helical duct is 5～25cm; The diameter projected of described helical duct is 30～50cm.
Photocatalysis air cleaning device of the present utility model can be used for multiple occasion, for example, can be used for producing factory building, poultry house of air pollutants etc.
Compared with prior art, the beneficial effects of the utility model are embodied in:
(1) the utility model adopts helical channel structure, and air-flow is guided, and significantly improves the space availability ratio of device inside, increased gas by distance, time and the contact area of catalyst, increase photocatalysis efficiency, dwindled the overall volume of device simultaneously, be suitable for the use of various occasions.
(2) device of the present utility model adopts stack effect and small-power mechanical ventilation system to combine, by producing air pressure difference at device upper and lower side, make air-flow pass through smoothly catalyst reaction sheet by the air-flow guide rail of device inside, fully decompose pollution, foul gas.
(3) device of the present utility model has automatic light-operated system, can change according to the intensity of natural lighting the intensity of built-in LED illumination, when ambient light photograph is enough strong, reduces LED illumination, makes full use of natural daylight photochemical catalyst is activated.When intensity of illumination is not enough, enable inner LED illumination system, photochemical catalyst is activated.Further lower energy consumption, reduced equipment investment.
(4) in smell photocatalysis purifier, most important part is light and the coordinating of catalyst, carrier.By experiment each scheme is compared, be finally chosen in segmentation in helical duct and set up the internal structure of catalyst elements.At catalyst elements (activated carbon supported g-C
3n
4dividing plate) between dislocation settle LED lamp, make catalyst receive to greatest extent light source, improve the utilization rate of light.
(5) purifier of the present utility model can adopt modularization assembling pattern, and one deck helical structure is that main body forms a module.Can for convenience detachly assemble, return factory and add catalyst.And can select module number, the best catalytic effect of adjusting device according to the concentration of the pollution of actual environment, foul gas.
Accompanying drawing explanation
Fig. 1 is the structural representation of the photocatalysis air cleaning device for poultry house of the present utility model.
Fig. 2 is the photocatalysis air cleaning device right view for poultry house shown in Fig. 1.
The specific embodiment
As depicted in figs. 1 and 2, a kind of photocatalysis air cleaning device, comprises the helical duct 3 with air inlet 1 and gas outlet 2, is furnished with some catalyst units 4 in this helical duct; Catalyst unit comprises having pore structure catalyst carrier and be attached to the g-C in this catalyst carrier
3n
4photochemical catalyst, the surrounding of catalyst carrier is connected with helical duct 3 inner wall sealings; Helical duct 3 sidewalls are light-transmitting materials, be provided with and irradiate described g-C in this helical duct 3
3n
4the visible light source 5 of photochemical catalyst.
In cylindrical inner casing 6, for arranging circuit and control circuit etc., cylindrical inner casing 6 sidewalls are provided with some through holes, for circuit, pass, and make purifier structure of the present utility model compacter.
The end that cylinder blanket 7 is positioned at the gas outlet 2 of helical duct is coaxially fixed with installing ring 10, and in installing ring, 10 are fixed with the blower fan 11 of bleeding.The actual size of blower fan 11 of bleeding can be determined according to actual needs.In installing ring, 10 can adopt lucite material.It is the fan of 12cm that for example the present embodiment can adopt diameter.For preventing that introduced contaminants from entering in helical duct, can as required, at blower fan top, filter screen be set, further improve the service life of whole device.
The end that cylinder blanket 7 is positioned at the air inlet 1 of helical duct is coaxially fixed with the deflector 9 that enlarging arranges, and in this embodiment, on deflector 9, diameter is 41cm, and lower diameter is 50cm, is highly 10cm; Actual design process, can adjust according to actual needs.Deflector 9 can adopt lucite material.Deflector 9 port position are provided with the filter screen that the air to entering helical duct 3 filters, not shown.
Catalyst carrier is Alveolate activated carbon capable sheet, also can select according to actual needs the catalyst carrier of other structures.Catalyst carrier is commercial product.Every catalyst carrier size is: long 16cm, and wide 8cm, thickness 2cm, amounts in present embodiment and uses active carbon plate number to be: 17.The catalyst g-C that the utility model adopts
3n
4for preparation voluntarily; preparation method is as follows: 50g chemical pure melamine powder (or urea) is packed in the quartz ampoule of one end sealing; in nitrogen protection atmosphere (first pass into nitrogen 15min to get rid of inner air tube with the flow of 1L/min before heating, during heating, nitrogen flow keeps 0.5I/min), heat-treat.Experiment repeats 4 times, and each heat treatment temperature is respectively 400 ℃, 500 ℃, 600 ℃, 700 ℃, and each heat treatment time is 3h, after heat treatment completes, after naturally lowering the temperature, obtains yellow product under nitrogen protection.Adopt existing conventional impregnation method by the catalyst cupport preparing and catalyst carrier, oven dry can be used.Catalyst elements is perpendicular to air flow setting, and surrounding interfixes with cylinder blanket, cylindrical inner casing and spiral plate respectively.For clearer demonstration concrete structure of the present utility model, in Fig. 1 and Fig. 2, the alveolate texture of a catalyst elements is only shown, all the other omissions.
Light source the adopts wavelength LED lamp that is 400nm-405nm, each catalyst carrier both sides LED lamp that is staggeredly placed.Its power is 1W/, altogether uses lamp pearl number to be: 34 (two LED lamp pearls of every absorbent charcoal carrier configuration); Its power supply mode is: use the constant-current source of 8 300mA as the power supply of LED lamp pearl, wherein 4 constant-current sources adopt light-operated switch, can automatically close relevant LED lamp when natural daylight is strong.
So that be used in pig house, be example, further introduce the occupation mode of present embodiment:
Press pig house area, average every 15-20m
2use the photocatalysis apparatus in a present embodiment, according to the excretion habit of pig, device is installed on to the top, discharge area of pig house, in pig house, according to the different growing stages of pig, can be arranged on approximately 0.5～1.2m height, to avoid pig touching, damage device.
In actual moving process, under the acting in conjunction of stack effect and the blower fan of bleeding, the foul smell that swinery produces enters into the photocatalysis air cleaning device of the present embodiment, during foul smell process helical duct, when being adsorbed by active carbon plate, under catalyst action, fast degradation becomes harmless micromolecular compound water and carbon dioxide, and outside last discharge chamber, in Fig. 1, arrow illustrates air flow in the utility model device.
The photocatalysis air cleaning device of the present embodiment also can be used in other poultry houses, for example can use in cowshed, hen house, be 1.5～2.0m in cowshed setting height(from bottom), and flat raising broiler house setting height(from bottom) is 0.3～0.5m, Laying House can be arranged on the top of manure pit, notes avoiding being subject to the impact of excrement clearly.
More than describe the specific embodiment of the present utility model in detail; but; the utility model is not limited to the detail in above-mentioned embodiment; within the scope of technical conceive of the present utility model; can carry out multiple modification to the technical solution of the utility model, these modification all belong to protection domain of the present utility model.
Claims (9)
1. a photocatalysis air cleaning device, is characterized in that, comprises with the helical duct (3) of air inlet (1) and gas outlet (2), is furnished with some catalyst units (4) in this helical duct; Described catalyst unit (4) comprises having pore structure catalyst carrier and be attached to the g-C in this catalyst carrier
3n
4photochemical catalyst, the surrounding of described catalyst carrier is connected with described helical duct (3) inner wall sealing; Described helical duct (3) sidewall is light-transmitting materials, is provided with and irradiates described g-C in this helical duct
3n
4the visible light source (5) of photochemical catalyst.
2. photocatalysis air cleaning device according to claim 1, is characterized in that, described catalyst carrier is Alveolate activated carbon capable sheet.
3. photocatalysis air cleaning device according to claim 1, it is characterized in that, comprising: coaxial cylindrical inner casing (6) and the cylinder blanket (7) arranging and be arranged on cylindrical inner casing (6) and cylinder blanket (7) between spiral plate (8); Between described cylindrical inner casing (6), cylinder blanket (7) and spiral plate (8), form described helical duct (3).
4. photocatalysis air cleaning device according to claim 3, it is characterized in that, the end that described cylinder blanket (7) is positioned at the gas outlet (2) of helical duct (3) is coaxially fixed with installing ring (10), is fixed with the blower fan of bleeding (11) in installing ring (10).
5. photocatalysis air cleaning device according to claim 3, is characterized in that, the end that described cylinder blanket (7) is positioned at the air inlet (1) of helical duct (3) is coaxially fixed with the deflector (9) that enlarging arranges.
6. photocatalysis air cleaning device according to claim 5, is characterized in that, described deflector (9) port position is provided with the filter screen that the air to entering helical duct (3) filters.
7. photocatalysis air cleaning device according to claim 1, is characterized in that, the LED lamp that described visible light source (5) is 400nm-405nm for wavelength, each catalyst carrier both sides at least two LED lamps that are staggeredly placed.
8. photocatalysis air cleaning device according to claim 7, is characterized in that, has a part at least for light-operated switch control in the LED lamp that described each catalyst carrier both sides are staggeredly placed.
9. photocatalysis air cleaning device according to claim 1, is characterized in that, the pitch of described helical duct is 5～25cm; The diameter projected of described helical duct is 30～50cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320580870.1U CN203540331U (en) | 2013-09-18 | 2013-09-18 | Photocatalytic air purification device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320580870.1U CN203540331U (en) | 2013-09-18 | 2013-09-18 | Photocatalytic air purification device |
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| CN203540331U true CN203540331U (en) | 2014-04-16 |
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| CN201320580870.1U Withdrawn - After Issue CN203540331U (en) | 2013-09-18 | 2013-09-18 | Photocatalytic air purification device |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103495195A (en) * | 2013-09-18 | 2014-01-08 | 浙江大学 | Photocatalytic type air purification device and method |
| CN104383769A (en) * | 2014-11-30 | 2015-03-04 | 刘宏志 | High-performance purification device |
| CN106943872A (en) * | 2017-03-13 | 2017-07-14 | 青净光能科技有限公司 | Fluid purification |
| CN107115731A (en) * | 2017-07-14 | 2017-09-01 | 侯梦斌 | A kind of air cleaning facility with photo-catalysis function and technique |
| CN107213788A (en) * | 2017-07-05 | 2017-09-29 | 成都翰道科技有限公司 | A kind of air cleaning unit with photocatalyst structure |
| CN107281935A (en) * | 2017-06-26 | 2017-10-24 | 江阴市天邦光催化研究所有限公司 | Visible light photocatalysis air cleaning filter |
| CN109595825A (en) * | 2018-10-25 | 2019-04-09 | 珠海格力电器股份有限公司 | Method for safety monitoring, device, system and the gas-fired equipment of gas-fired equipment |
| CN109847579A (en) * | 2019-04-18 | 2019-06-07 | 北京北大明德科技发展有限公司 | A kind of smell photocatalysis purifier |
| CN112264073A (en) * | 2020-10-29 | 2021-01-26 | 电子科技大学 | Helical structure C3N4Preparation method of nanofiber photocatalyst |
| WO2022034861A1 (en) * | 2020-08-13 | 2022-02-17 | カルテック株式会社 | Disinfection device, lighting and disinfection equipment, and installation method for disinfection device |
| JP2022100184A (en) * | 2020-12-23 | 2022-07-05 | 株式会社バンディ | Air sterilizer combining illumination lamp |
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- 2013-09-18 CN CN201320580870.1U patent/CN203540331U/en not_active Withdrawn - After Issue
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103495195A (en) * | 2013-09-18 | 2014-01-08 | 浙江大学 | Photocatalytic type air purification device and method |
| CN103495195B (en) * | 2013-09-18 | 2015-08-26 | 浙江大学 | A kind of photocatalysis air cleaning device and method |
| CN104383769A (en) * | 2014-11-30 | 2015-03-04 | 刘宏志 | High-performance purification device |
| CN106943872A (en) * | 2017-03-13 | 2017-07-14 | 青净光能科技有限公司 | Fluid purification |
| CN107281935A (en) * | 2017-06-26 | 2017-10-24 | 江阴市天邦光催化研究所有限公司 | Visible light photocatalysis air cleaning filter |
| CN107213788A (en) * | 2017-07-05 | 2017-09-29 | 成都翰道科技有限公司 | A kind of air cleaning unit with photocatalyst structure |
| CN107115731A (en) * | 2017-07-14 | 2017-09-01 | 侯梦斌 | A kind of air cleaning facility with photo-catalysis function and technique |
| CN109595825A (en) * | 2018-10-25 | 2019-04-09 | 珠海格力电器股份有限公司 | Method for safety monitoring, device, system and the gas-fired equipment of gas-fired equipment |
| CN109847579A (en) * | 2019-04-18 | 2019-06-07 | 北京北大明德科技发展有限公司 | A kind of smell photocatalysis purifier |
| WO2022034861A1 (en) * | 2020-08-13 | 2022-02-17 | カルテック株式会社 | Disinfection device, lighting and disinfection equipment, and installation method for disinfection device |
| JP2022032692A (en) * | 2020-08-13 | 2022-02-25 | 株式会社 船場 | Sterilization device, illumination and sterilization appliance, and installation method of sterilization device |
| JP7101729B2 (en) | 2020-08-13 | 2022-07-15 | 株式会社 船場 | How to install sterilizer, lighting and sterilization equipment, and sterilizer |
| CN112264073A (en) * | 2020-10-29 | 2021-01-26 | 电子科技大学 | Helical structure C3N4Preparation method of nanofiber photocatalyst |
| CN112264073B (en) * | 2020-10-29 | 2021-12-03 | 电子科技大学 | Helical structure C3N4Preparation method of nanofiber photocatalyst |
| JP2022100184A (en) * | 2020-12-23 | 2022-07-05 | 株式会社バンディ | Air sterilizer combining illumination lamp |
| JP7096380B1 (en) | 2020-12-23 | 2022-07-05 | 株式会社バンディ | Air sterilizer that also serves as a light |
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