CN102228791A - Air cleaning equipment with photocatalysis unit - Google Patents
Air cleaning equipment with photocatalysis unit Download PDFInfo
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- CN102228791A CN102228791A CN2011101309305A CN201110130930A CN102228791A CN 102228791 A CN102228791 A CN 102228791A CN 2011101309305 A CN2011101309305 A CN 2011101309305A CN 201110130930 A CN201110130930 A CN 201110130930A CN 102228791 A CN102228791 A CN 102228791A
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Abstract
The invention provides air cleaning equipment with a photocatalysis unit, relating to air cleaning equipment. The equipment is used for solving the problem that cleaning effects of existing air cleaning equipment are bad. The equipment is characterized in that a fine-meshed steel screen, a chemical fiber electrostatic cleaning layer and a screen which is filled by granular active carbon are utilized to filter air and the photocatalysis cleaning unit is utilized to clean the air again, thus cleaning the air. The equipment is suitable for cleaning indoor air.
Description
Technical field
The present invention relates to a kind of air cleaning unit.
Background technology
Along with the change of growth in the living standard and life style, people are more and more longer in the time of indoor life, and the quality of IAQ directly has influence on people's work and life.The inferior air quality power that can warn is disperseed, and operating efficiency descends, and also can make the people produce symptoms such as headache, nauseating, fatigue, red swelling of the skin when serious, is referred to as " Cure of Sick Building Syndrome ".Therefore, just be badly in need of improving abominable day by day room, working environment, improve life quality.
Because the indoor environmental pollution that building, decorations, furniture cause has become a big killer who influences health of people.According to the data that Chinese indoor environment monitoring center provides, China can reach 11.1 ten thousand by the death toll that exceeds the quata that room air pollution causes every year, and the outpatient service number that exceeds the quata can reach 220,000 person-times, and the emergency treatment number that exceeds the quata can reach 4,300,000 person-times.Serious indoor environmental pollution not only causes damage to health of people, and has caused enormous economic loss.Find that according to expert investigation indoor decoration uses the material that contains hazardous substance can increase the weight of indoor pollution level, these pollutions are bigger to children and women's influence.Relevant statistics shows, the children that present China dies because of the infection of the upper respiratory tract causes death every year have 2,100,000 approximately, wherein more than 100 ten thousand children's the cause of the death is directly or indirectly relevant with room air pollution, and particularly some newly-built and newly-decorated kindergartens and family room's environment pollution are very serious.All there is increase trend in big cities such as Beijing, Guangzhou, Shenzhen, Harbin leukemia children in recent years, are one of major reasons wherein and stay in the excessive room of fitting up.A investigation by the BJ Children's Hospital shows have ninety percent infant family once to fit up in half a year in the leukemia children that this institute goes to a doctor.The expert infers that in view of the above the harmful substance in the indoor hardware fitting may be a major incentive of childhood lymphoblastic leukemia.From present check and analysis, the main source of indoor air pollutants has the following aspects: building and house decorative material, outdoor pollutant, combustion product and people itself are movable.Wherein the pollution of house decorative material and furniture is the main aspect that causes room air pollution at present.National health, build and environmental administration once carried out once selective examination at house decorative material, found that the material with toxic gas pollution accounts for 68%, these ornament materials can volatilize more than 300 kind of VOC, comprising formaldehyde, ammonia, benzene, toluene, dimethylbenzene, volatile organic matter and radgas radon etc., after the human body contact, can cause headache, n and V, twitch, expiratory dyspnea etc., contact can cause allergic reaction repeatedly, as asthma, allergic rhinitis and dermatitis etc., for a long time the contact in addition can cause cancer (as lung cancer, leukaemia etc.) or the miscarriage, fetal anomaly and growth retardation etc.
Currently used air cleaning unit can not the good treatment room air pollution, air cleaning layer as indoor apparatus of air conditioner, much only be one deck screen pack or filtering plastic foam, can only the airborne big dust particle of filtering, can not remove airborne pernicious gas, can not sterilize, sterilize, eliminate the unusual smell etc.
The high effective purifying technology of air that uses comprises anion, ozone and photocatalysis technology at present.Though anion has removal effect preferably to pollutant, negative oxygen is very short from the life-span, and unclean air can further make its concentration reduce, tackle the pollutant poor effect, and in the process that anion takes place, because electrostatic interaction, the easy laying dust of surrounding environment should in time wipe out.Ozone also is a kind of material to the good taking-up effect of pollutant, when still being applied in the air purifier, because the special stench flavor of ozone can cause people's discomfort.Photocatalysis technology is a kind of novel air purifying process, its principle is when ultraviolet lighting is mapped on the nano titanium oxide surface, transition will take place in the electronics in the titanium dioxide valence band, form electron-hole pair, light induced electron has stronger reproducibility, photohole has stronger oxidisability, utilizes these middle active species, thereby realizes the effective removal to pollutant.A variety of photocatalysis air purifying devices is arranged at present, most of photocatalyst material that uses is the photocatalyst net, but the photocatalyst net surface is long-pending limited, resistance is little, thereby cause air and photocatalyst contact area little, short in photocatalysis part flow process, the time of staying is short, thereby does not have good clean-up effect.
Summary of the invention
The present invention is the problem for the clean-up effect difference that solves existing air cleaning unit, thereby a kind of air cleaning unit with photocatalysis unit is provided.
A kind of air cleaning unit with photocatalysis unit, it comprises housing, pore steel filter, chemical fibre electrostatic precipitation layer, adopts filter, high-pressure shaft flow fan, light catalytic purifying unit, gobo and the control system of granular activated carbon filling, housing is the upper shed structure, and described upper shed is an air inlet; The right flank bottom of described housing has air outflow port, and described air outflow port place is provided with gobo; The air inlet place of housing is equipped with pore steel filter, and the edge of described pore steel filter and the madial wall of housing are tightly connected; Being positioned at the following of described pore steel filter is provided with chemical fibre electrostatic precipitation layer apart from the d1 place, and this chemical fibre electrostatic precipitation layer is parallel with pore steel filter, and the edge of described chemical fibre electrostatic precipitation layer and the madial wall of housing are tightly connected; Be positioned at the following filter that adopts granular activated carbon to fill that is provided with apart from the d2 place of described chemical fibre electrostatic precipitation layer, and the filter that should adopt granular activated carbon to fill is parallel with chemical fibre electrostatic precipitation layer, and the edge of the filter that described employing granular activated carbon is filled and the madial wall of housing are tightly connected; The light catalytic purifying unit is fixed on the bottom of housing, and the air outlet of described light catalytic purifying unit is communicated with the basifacial air outflow port in the right side of housing, and the edge of the basifacial air outflow port in right side of the edge of the air outlet of light catalytic purifying unit and housing is tightly connected; Be fixed with the high-pressure shaft flow fan between filter that the employing granular activated carbon is filled and the light catalytic purifying unit; Control system is fixed on the lateral wall of housing, and the high-pressure shaft flow fan control signal output of described control system is connected with the high-pressure shaft flow fan control signal input of high-pressure shaft flow fan; The light catalytic purifying unit controls signal output part of described control system is connected with the high-pressure shaft flow fan control signal input of light catalytic purifying unit; The value of d1 is between 10mm～40mm, and the value of d2 is between 30mm～70mm.
Beneficial effect: the filter that the present invention at first adopts pore steel filter, chemical fibre electrostatic precipitation layer and adopts granular activated carbon to fill once filters air; adopt the light catalytic purifying unit once more air to be purified then; realization is to the purification of air; good purification of the present invention, dependability are higher, and can not produce smell substances such as ozone.
Description of drawings
Fig. 1 is a structural representation of the present invention; Fig. 2 is the structural representation of the invention specific embodiment two; Fig. 3 is the principle schematic of fault alarm in the specific embodiment five.
The specific embodiment
The specific embodiment one, this specific embodiment is described in conjunction with Fig. 1, a kind of air cleaning unit with photocatalysis unit, it comprises housing 10, pore steel filter 1, chemical fibre electrostatic precipitation layer 2, adopts filter 4, high-pressure shaft flow fan 5, light catalytic purifying unit 6, gobo 7 and the control system 8 of granular activated carbon filling, housing 10 is the upper shed structure, and described upper shed is an air inlet; The right flank bottom of described housing 10 has air outflow port, and described air outflow port place is provided with gobo 7; The air inlet place of housing 10 is equipped with pore steel filter 1, and the madial wall of the edge of described pore steel filter 1 and housing 10 is tightly connected; Being positioned at the following of described pore steel filter 1 is provided with chemical fibre electrostatic precipitation layer 2 apart from the d1 place, and this chemical fibre electrostatic precipitation layer 2 is parallel with pore steel filter 1, and the edge of described chemical fibre electrostatic precipitation layer 2 and the madial wall of housing 10 are tightly connected; Be positioned at the following filter 4 that adopts granular activated carbon to fill that is provided with apart from the d2 place of described chemical fibre electrostatic precipitation layer 2, and the filter 4 that should adopt granular activated carbon to fill is parallel with chemical fibre electrostatic precipitation layer 2, and the edge of the filter 4 that described employing granular activated carbon is filled and the madial wall of housing 10 are tightly connected; Light catalytic purifying unit 6 is fixed on the bottom of housing 10, and the air outlet of described light catalytic purifying unit 6 is communicated with the basifacial air outflow port in the right side of housing 10, and the edge of the basifacial air outflow port in right side of the edge of the air outlet of light catalytic purifying unit 6 and housing 10 is tightly connected; Be fixed with high-pressure shaft flow fan 5 between filter 4 that the employing granular activated carbon is filled and the light catalytic purifying unit 6; Control system 8 is fixed on the lateral wall of housing 10, and the high-pressure shaft flow fan control signal output of described control system 8 is connected with the high-pressure shaft flow fan control signal input of high-pressure shaft flow fan 5; The light catalytic purifying unit controls signal output part of described control system 8 is connected with the high-pressure shaft flow fan control signal input of light catalytic purifying unit 6; The value of d1 is between 10mm～40mm, and the value of d2 is between 30mm～70mm.The scope of high-pressure shaft flow fan 5 discharge pressures of fan is 0.5kPa～5kPa.
Present embodiment when mounted, assembling chemical fiber dust removing layer 2 at first, this layer shell upper and lower faces is steel pore filter, is iron shell all around, four angles of top filter are connected with iron shell around it by screw.During installation, the top filter is pulled down by elder generation, and fibers material is put into, and the top filter is installed to get final product afterwards.The filter 4 that adopts granular activated carbon to fill is installed afterwards; all the other are all identical except that thickness is different except that the shell of knoisphere for the shell of active carbon filter and chemical fibre; also form by the filter of upper and lower faces and iron shell all around; during installation; the top filter is taken off, behind the active carbon of packing into the top filter installed and get final product.
Present embodiment is at first filtered air by the filter that pore steel filter, chemical fibre electrostatic precipitation layer and employing granular activated carbon are filled; and then adopt the light catalytic purifying unit once more air to be purified; thereby realize purification, good purification to air.
The specific embodiment two, this specific embodiment and concrete mode one described a kind of difference with air cleaning unit of photocatalysis unit are, light catalytic purifying unit 6 comprises shell 61 and N group luminescence unit, every group of luminescence unit includes uviol lamp 62, quartz ampoule 63 and rubber stopper 64, uviol lamp 62 is arranged in quartz ampoule 63, and the two ends of described uviol lamp 62 all extend to outside the quartz ampoule 63, two rubber stoppers 64 are enclosed within the two ends of described uviol lamp 62 respectively, are used for fixing uviol lamp 62 and sealed silica envelope 63; 6 inner air flow directions are divided into N+1 purification channel with light catalytic purifying unit 6 to N group luminescence unit along the light catalytic purifying unit, and the purification channel of described N+1 all adopts load type titania to fill.
In the present embodiment, the shell 61 of light catalytic purifying unit 6 is made up of the filter of the left and right sides and the iron shell around the filter, the left part filter is connected with on every side iron shell by screw, all is that the hole that has seal is reserved in the installation of quartz burner on the filter of the left and right sides.Light catalytic purifying unit 6 when mounted, earlier uviol lamp 62 is installed to aerial in the filter of the left and right sides, and use the seal good seal, afterwards uviol lamp 62 is installed in the quartz ampoule by rubber stopper 64, for making things convenient for the heat radiation of uviol lamp, the rubber stopper 64 on right side also should leave the aperture of heat transmission except that leaving the preformed hole that uviol lamp 62 is installed, afterwards, fill load type titania between quartz ampoule 63 and shell 61 and filter.
The specific embodiment three, this specific embodiment and concrete mode two described a kind of differences with air cleaning unit of photocatalysis unit are that the load type titania layer adopts sol-gel process to prepare.
The detailed process of preparation load type titania is as follows in the present embodiment: several materials of following volume ratio are mixed: butyl titanate: distilled water: nitric acid: ethanol=(10-20): (2-8): (1): (40-150), mixing the back fully stirred 15 minutes, ageing 2-6 hour, one or more combination in glass marble, sheet glass, potsherd, Ceramic Balls, the aluminium flake is joined in the mixed liquor after the ageing, fully stir the back and take out, natural air drying is put into Muffle furnace and is obtained after 1～4 hour in calcining under 200-500 ℃ after 2 hours.
The specific embodiment four, this specific embodiment and concrete mode three described a kind of differences with air cleaning unit of photocatalysis unit are N=2.
The specific embodiment five, this specific embodiment and concrete mode one, two or three described a kind of differences with air cleaning unit of photocatalysis unit are, it also comprises fault alarm 3, and fault alarm 3 is arranged on chemical fibre electrostatic precipitation layer 2 and adopts between the filter 4 of granular activated carbon filling; The alarm signal output ends of described control system 8 is connected with the alarm signal input of fault alarm 3.
A kind of fault alarm according to the judgement of the air velocity in clarifier clarifier working condition is provided in the present embodiment, and the principle of this alarm as shown in Figure 3.This alarm is made of moving plate and still, and still is made by rigid plastics, and conductive steel disc is arranged in the end; Moving plate is made by the elastomeric plastics of high tenacity, and two electric shocks are arranged in its end, respectively with the steel disc two ends correspondence of still.At wind speed during less than limit value, the contact of moving plate and the steel disc of still two end in contact, the alarm loop is connected.Reducing of wind speed generally be because the absorption of chemical fibre electrostatic precipitation layer and granular activated carbon packed layer is saturated, or blocked causing, also might be that axial flow blower breaks down.Clarifier need be cut off the electricity supply after reporting to the police, and check the working condition of above-mentioned three parts, and in time change fibers material and active carbon according to check result, or the maintenance blower fan.
The specific embodiment six, this specific embodiment and concrete mode five described a kind of differences with air cleaning unit of photocatalysis unit are, the chemical fibre in the chemical fibre electrostatic precipitation layer 2 is one or more the combination in terylene, acrylic fibers, polyvinyl chloride fibre or the spandex.
In the present embodiment, adopt the fibers material that easily produces static: the combination of one or more in terylene, acrylic fibers, polyvinyl chloride fibre or the spandex, chemical fibre produces static under the disturbance of air flow, thus the dust in the absorbed air.This method can make the whole knoisphere that removes all bring into play dust removing effects, and after absorption was saturated, fault alarm can be reported to the police, thereby changes the fibers material in this layer.Traditional high-voltage electrostatic dust separator has high voltage component, safety inadequately, and dust all is adsorbed on the narrow and small electrode simultaneously, and adsorption capacity is little, cleaned and changed inconvenience.Chemical fibre electrostatic precipitation layer among the present invention can effectively improve these problems, and is simultaneously with low cost.
The specific embodiment seven, this specific embodiment and concrete mode one, two, three or six described a kind of differences with air cleaning unit of photocatalysis unit are that the order scope of counting of granular activated carbon is 1 order～100 orders in the filter 4 that the employing granular activated carbon is filled.
In the present embodiment, the order scope of counting of the granular activated carbon of employing is 1～100 order.Because adsorbed contaminants is too much, cause this layer resistance to increase when the granular activated carbon packed layer, after clean-up effect reduced, fault alarm can be reported to the police, thereby can in time change the active carbon in this layer, recovers the detergent power of this layer again.
The specific embodiment eight, this specific embodiment and concrete mode seven described a kind of differences with air cleaning unit of photocatalysis unit are, a kind of in gobo 7 nonwoven, cotton, chemical fibre or the all-glass paper.
Claims (8)
1. air cleaning unit with photocatalysis unit, it is characterized in that: it comprises housing (10), pore steel filter (1), chemical fibre electrostatic precipitation layer (2), adopts filter (4), high-pressure shaft flow fan (5), light catalytic purifying unit (6), gobo (7) and the control system (8) of granular activated carbon filling, housing (10) is the upper shed structure, and described upper shed is an air inlet; The right flank bottom of described housing (10) has air outflow port, and described air outflow port place is provided with gobo (7); The air inlet place of housing (10) is equipped with pore steel filter (1), and the madial wall of the edge of described pore steel filter (1) and housing (10) is tightly connected; Being positioned at the following of described pore steel filter (1) is provided with chemical fibre electrostatic precipitation layer (2) apart from the d1 place, and this chemical fibre electrostatic precipitation layer (2) is parallel with pore steel filter (1), and the madial wall of the edge of described chemical fibre electrostatic precipitation layer (2) and housing (10) is tightly connected; Be positioned at the following filter (4) that adopts granular activated carbon to fill that is provided with apart from the d2 place of described chemical fibre electrostatic precipitation layer (2), and the filter (4) that should adopt granular activated carbon to fill is parallel with chemical fibre electrostatic precipitation layer (2), and the edge of the filter (4) that described employing granular activated carbon is filled and the madial wall of housing (10) are tightly connected; Light catalytic purifying unit (6) is fixed on the bottom of housing (10), and the air outlet of described light catalytic purifying unit (6) is communicated with the basifacial air outflow port in right side of housing (10), and the edge of the basifacial air outflow port in right side of the edge of the air outlet of light catalytic purifying unit (6) and housing (10) is tightly connected; Be fixed with high-pressure shaft flow fan (5) between the filter (4) that the employing granular activated carbon is filled and light catalytic purifying unit (6); Control system (8) is fixed on the lateral wall of housing (10), and the high-pressure shaft flow fan control signal output of described control system (8) is connected with the high-pressure shaft flow fan control signal input of high-pressure shaft flow fan (5); The light catalytic purifying unit controls signal output part of described control system (8) is connected with the high-pressure shaft flow fan control signal input of light catalytic purifying unit (6); The value of d1 is between 10mm～40mm, and the value of d2 is between 30mm～70mm.
2. a kind of air cleaning unit according to claim 1 with photocatalysis unit, it is characterized in that light catalytic purifying unit (6) comprises shell (61) and N group luminescence unit, every group of luminescence unit includes uviol lamp (62), quartz ampoule (63) and rubber stopper (64), uviol lamp (62) is arranged in quartz ampoule (63), and the two ends of described uviol lamp (62) all extend to outside the quartz ampoule (63), two rubber stoppers (64) are enclosed within the two ends of described uviol lamp (62) respectively, are used for fixing uviol lamp (62) and sealed silica envelope (63); N group luminescence unit is divided into N+1 purification channel along light catalytic purifying unit (6) inner air flow direction with light catalytic purifying unit (6), and the purification channel of described N+1 all adopts load type titania to fill.
3. a kind of air cleaning unit with photocatalysis unit according to claim 2 is characterized in that load type titania adopts sol-gel process to prepare.
4. according to claim 2 or 3 described a kind of air cleaning units, it is characterized in that N=2 with photocatalysis unit.
5. according to claim 1,2 or 3 described a kind of air cleaning units with photocatalysis unit, it is characterized in that it also comprises fault alarm (3), fault alarm (3) is arranged on chemical fibre electrostatic precipitation layer (2) and adopts between the filter (4) of granular activated carbon filling; The alarm signal output ends of described control system (8) is connected with the alarm signal input of fault alarm (3).
6. a kind of air cleaning unit with photocatalysis unit according to claim 5 is characterized in that chemical fibre in the chemical fibre electrostatic precipitation layer (2) is one or more the combination in terylene, acrylic fibers, polyvinyl chloride fibre or the spandex.
7. according to claim 1,2,3 or 6 described a kind of air cleaning units with photocatalysis unit, it is characterized in that adopting the order scope of counting of granular activated carbon in the filter (4) that granular activated carbon fills is 1 order～100 orders.
8. a kind of air cleaning unit with photocatalysis unit according to claim 7 is characterized in that a kind of in gobo (7) nonwoven, cotton, chemical fibre or the all-glass paper.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011101309305A CN102228791A (en) | 2011-05-19 | 2011-05-19 | Air cleaning equipment with photocatalysis unit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011101309305A CN102228791A (en) | 2011-05-19 | 2011-05-19 | Air cleaning equipment with photocatalysis unit |
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| CN102228791A true CN102228791A (en) | 2011-11-02 |
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| CN2011101309305A Pending CN102228791A (en) | 2011-05-19 | 2011-05-19 | Air cleaning equipment with photocatalysis unit |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103267320A (en) * | 2013-05-17 | 2013-08-28 | 山东尼尔逊科技有限公司 | Electric bag integrated air-purifying disinfection machine |
| CN104482603A (en) * | 2014-12-22 | 2015-04-01 | 上海哲瑞环保科技有限公司 | Photolysis purifier |
| CN105371399A (en) * | 2015-12-02 | 2016-03-02 | 西尼亚（北京）海洋环境科技有限责任公司 | Air purifying device |
| CN106855263A (en) * | 2015-12-07 | 2017-06-16 | 山东佳星环保科技有限公司 | It is a kind of being capable of novel indoor air device that is sterilized and eliminating virus |
| CN108105908A (en) * | 2017-11-21 | 2018-06-01 | 成都恒力达科技有限公司 | A kind of photocatalysis air cleaning device |
| WO2019195987A1 (en) * | 2018-04-09 | 2019-10-17 | 龚金凤 | Environment-friendly air purifier for public place |
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Application publication date: 20111102 |