CN102589055A - PM2.5 (Phase Modulation) integral air purification treatment device - Google Patents
PM2.5 (Phase Modulation) integral air purification treatment device Download PDFInfo
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- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
Abstract
The invention relates to a PM2.5 (Phase Modulation) integral air purification treatment device. The PM2.5 integral air purification treatment device comprises a box body (9), a PM10 filter screen (2), a PM2.5 filter screen (3), a fan (4), a nanometer absorbing layer (5), a photocatalysis system and a negative ion generator (13), wherein a grid-shaped air inlet (1) is arranged at one end of the box body (9), an air outlet (8) is arranged at the other end of the box body (9), the box body (9) is internally provided with a filtering room (10), a fan room (11) and a purification room (12), the air inlet (1) is communicated with the filtering room (10), the fan room (11) is communicated with the filtering room (10) and the purification room (12) at the same time, and the air outlet (8) is communicated with the purification room (12); the photocatalysis system consists of an ultraviolet lamp (6) and a PM2.5 modified photocatalyst layer (7), the negative ion generator (13) is arranged on the air outlet (8) so that air discharged from the air outlet (8) is fresher and more pleasant. The PM2.5 integral air purification treatment device disclosed by the invention has a simple structure and convenience and flexibility in manufacturing, and ensures that purification quality meets a rule of an associated standard by changing a corresponding treatment unit, wherein the purification rate and the bacteria removing rate are both over 99%.
Description
Technical field
The present invention relates to a kind of air cleaning unit; The PM2.5 level dust granules and the integrating of harmful germ or virus that can eliminate wherein of using in especially a kind of large-scale public place and the tunnel purify and the air purification processing equipment of sterilizing, specifically a kind of PM2.5 integral type air purification processing equipment.
Background technology
As everyone knows, PM2.5 refers to that diameter is less than or equal to 2.5 microns particle in the atmosphere, is also referred to as and can goes into the lung particle.Because of particle diameter is little, be rich in a large amount of poisonous, harmful substance, thereby bigger to the influence of health and atmosphere quality.PM2.5 representes the content of this particle in every cubic metres of air, and this value is high more, just represents air pollution serious more.
Large-scale movement of population comprises physical pollution, chemical contamination and biologic contamination with the air pollution of assembling ground.Physical pollution is meant because of physical factor, like electromagnetic radiation, noise, vibration, and the pollution that causes such as inappropriate temperature, humidity, wind speed and illumination.Chemical contamination is meant because of chemical substance, the pollution that causes like formaldehyde, benzene series thing, ammonia and suspended particulate substance etc.Biologic contamination is meant because of the biological pollution factor, mainly comprises the pollution that bacterium, fungi, pollen, virus, organism organic principle etc. cause.The indoor air pollutants kind is a lot, usually, can be divided into suspended particulate substance and gaseous contaminant two big classes by its existence.The former is meant and is suspended in airborne solids and liquid particle, comprises inorganic and organic particulate matter, microorganism and biological colloidal sol etc.; The latter is the pollutant that exists with molecular state, comprises inorganic, organic compound and radioactive substance etc.Wherein, The PM2.5 particle be very easy to carry poisonous, harmful substances such as a large amount of bacteriums, virus, and the aerial time of staying is long, fed distance is far away because particle diameter is little; Can directly get into bronchus after being inhaled into human body; Disturb the Gas Exchange of lung, cause the disease that comprises aspects such as asthma, bronchitis and cardiovascular disease, also can get into blood through bronchus and alveolar; Pernicious gases such as bacterium wherein, virus, heavy metal etc. are dissolved in the blood, and be bigger to the injury of health.In addition, the PM2.5 particle also can cause environment and have a strong impact on.Because the particulate sinking speed in the particle below 1 micron is slow, RT is of a specified duration in atmosphere, under the atmosphere dynamic action, can be blown into far place.So the pollution of particle often involves very big zone, even becomes global problem.Particle diameter is at 0.1～1 micron particle, and is close with wavelength of visible light, and visible light is had very strong scattering process.This is the main cause that causes atmospheric visibility to reduce.The sulfuric acid and the nitric acid particulate that are generated by sulfur dioxide and nitrogen oxide chemical conversion are the main causes that causes acid rain.A large amount of particles drops on influences the plant growth on the plant leaf, drop on can rise on building and the clothes to stain and corrosiveness.A large amount of particle in the atmosphere disturbs the radiation on the sun and ground, thereby provincialism even global weather is made a difference.
As large-scale movement of population and type areies such as the subway station of assembling ground, high ferro Waiting Lounge, airport terminal, tunnel, compartment, hospital, historical relic's protection, museum, library, exhibition center, the Art Museum; The quality of these local air qualities is directly connected to the healthy of related personnel.At present, the universalness of central air-conditioning in indoor construction, the improvement that the not tight air-conditioning system of science, operational management not only is helpless to indoor air environment is owed in some designs, also possibly become the generation source and the route of transmission of indoor air pollutants.At first, because central air-conditioning a large amount of uses in public places, air-conditioned room forms room air pollution because the unreasonable aerosol pollutant (particulate, bacterium, virus) that causes of air current composition gathers at local dead angle; Second; Air in the air-conditioning system collecting chamber; Send back to air indoorly after treatment again, in this process, might promptly be diffused into other room to the pollutant of indivedual air-conditioned rooms and air-conditioning system itself, thereby make air-conditioning system become the media of propagation, diffuse pollution thing.Research shows that IAQ and building ventilation air-conditioning system have much relations, if design of air conditioning and ventilating, operation or mismanagement will become pollution sources and pollute room air, is detrimental to health.The American Studies man analysis room air pollution problem in the building of building more than 1000; Find more than 50 % it is the air conditioning system for building poor filtration effect; Canada environmental sanitation fabric study finds: the disease of human 68 % is owing to room air pollution causes, and the incidence of disease rises year by year.China Ministry of Public Health organizes the centralized air ventilation system sanitary condition supervision and check of national public place in February, 2004 to April; The result is amazing in sampling observation: 937 tame public places that more than 60 city possesses the central air conditioning facility have been inspected in the whole nation altogether by random samples; Comprise hotel, megastore, supermarket, 5600 of test sample.The centralized air ventilation system that wherein belongs to severe contamination has 441 families, accounts for 47. 1 % of sampling observation sum, and medium pollution 438 families account for sampling observation sum 46. 7 %, and 58 qualified families account for 6. 2 % of sampling observation sum.Beijing Municipal Health Bureau also spot-check the central air-conditioning sanitary condition of the public place about 80 families of Beijing for three times in 2004 the fraction of the year, and check result 90 % belong to severe contamination.
As the important means that solves urban traffic blocking, the urban transportation tunnel has obtained building widely in recent years, and especially when the contradictory problems that solves between old city protection and the traffic programme, increasing arterial traffic begins to adopt this form of subterranean tunnel.The construction in tunnel has also brought another major issue, because the tunnel is semi-closed structure, the various vehicles discharge tail gas of frequent contact will cause the concentration of tail gas matter in the tunnel air constantly to increase.These pollutants comprise: soot (carbon particulate), hydrocarbon (HC), CO
x, SO
xAnd nitrogen oxide (NO
x) etc., and from a large amount of airborne dusts that produced in the vehicle ' process.Wherein topmost pollutant is dust (PM), carbon monoxide (CO), hydrocarbon (HC) and nitrogen oxide (NO
x).Research shows: driver and conductor's Long contact time vehicle exhaust can cause CO to poison; Hydrocarbon and NO
xCan produce photochemical fog through photochemical reaction, people's eyes are had strong impulse effect and other harmful effect; Soot and road surface airborne dust produce dysopia to human eye, make the blurred vision of human pilot easily, cause traffic accident.On the other hand; The main employing vertical shaft mode in present tunnel; Undressed waste gas in a large amount of tunnels is directly released in the extraneous space, the air of tunnel near zone is caused the environmental pollution of continuation low concentration, tunnel perimeter zone common people's physical and mental health is caused very big influence.Therefore, the exhaust emission in the city tunnel is not only an environmental problem, also is related to the operation security in health and tunnel.
Therefore; PM2.5 integral type air purification processing equipment can let people that the living environment of a fresh cleaning is arranged for this place blows pure and fresh " natural wind " in large-scale movement of population and the application of assembling place and urban transportation tunnel on the one hand; The generation of the group public health event that minimizing causes because of airborne bacterium, microorganism exceed standard; In time decomposing harmful substances, carry fresh air, reduce the secondary injury that the condition of a disaster causes people, for the safety of public place provides powerful guarantee; Can effectively solve the pollution problem of city tunnel on the other hand, reduce the discharging of tail gas in atmosphere, can also effectively reduce the incidence of traffic accident,, make up civilized harmonious society and have crucial meaning and value solving urban traffic safety.
At present, people for large-scale movement of population with assemble PM2.5 level dust, bacterium, waste gas and formaldehyde in ground and the urban transportation tunnel or the like toxic and harmful and only carry out the physics dilution through ventilation etc., fundamentally do not solve purifying problem.
Summary of the invention
The objective of the invention is to present large-scale movement of population with assemble PM2.5 level dust, bacterium, waste gas and formaldehyde in ground and the urban transportation tunnel or the like toxic and harmful and only carry out the physics dilution through ventilation etc.; Fundamentally do not solve the problem that purifies, design a kind of PM2.5 integral type air purification processing equipment of collecting and purifying toxic and harmfuls such as PM2.5, bacterium, waste gas and formaldehyde that collects.
Technical scheme of the present invention is:
A kind of PM2.5 integral type air purification processing equipment is characterized in that it comprises:
One casing 9; One end of this casing 9 is provided with lattice-shaped air inlet 1; The other end is provided with air outlet 8, is provided with filter chamber 10, fan house 11 and clean room 12 in the casing 9, and air inlet 1 is connected with filter chamber 10; Fan house 11 is connected with filter chamber 10 and clean room 12 simultaneously, and air outlet 8 is connected with clean room 12;
One PM10 screen pack 2, this PM10 screen pack 2 are installed in the filter chamber 10 near air inlet 8 one sides, and it is used to remove bigger dust and the floating thing of degranulation;
One PM2.5 screen pack 3, this PM2.5 screen pack 3 are installed in the side of filter chamber 10 near fan house 11, and it is used to collect removes PM2.5 level dust;
One blower fan 4, this blower fan 4 is installed in the fan house 11, and it is used to send the air of filter chamber's 10 preliminary purifications in the clean room 12 with disinfection function and provide for air is mobile power;
One nanometer adsorption layer 5, this nanometer adsorption layer 5 are installed in the clean room 12 in the side near blower fan 4, and it is used to HC, NOx and formaldehyde and benzene type organic in the absorbed air, and short CO to wherein carries out the catalytic oxidation that gone on foot;
One photocatalytic system formed by uviol lamp 6 and PM2.5 level modified photocatalyst layer 7, they alternately are installed in the clean room 12 between nanometer adsorption layer 5 and the air outlet 8; Uviol lamp 6 is removed airborne CO and white glucose coccus with the coordinative role of PM2.5 level modified photocatalyst layer 7, reaches the purpose of eliminating harmful germ in the air;
One anion generator 13, this anion generator 13 is installed on the air outlet 8, so that the wind that air outlet 8 is discharged is pure and fresh more pleasant.
Described PM10 screen pack 2 is polypropylene melt-blown static electret composite filter paper or HEPA filter paper with PM2.5 screen pack 3.
The surfaces coated of described nanometer adsorption layer 5 is furnished with the oxide of active catalyst palladium, rhodium and platinum class noble metal and rare-earth element cerium, rubidium and metallic copper or manganese, and it can effectively adsorb HC, NOx and formaldehyde, benzene class organic volatile, also can CO catalytic oxidation.
Described PM2.5 level modified photocatalyst layer 7 comprises the PM2.5 level filter screen of cellular photocatalyst filtering net of one deck and the immobilized nano titanium oxide of two layers of surface, effectively CO catalytic oxidation with kill bacterium such as white glucose coccus.
Described cellular photocatalyst filtering net adopts aluminium matter honeycomb and photocatalyst filtering net, and the aperture 0.1-0.3mm of aluminium matter honeycomb, the thickness of photocatalyst filtering net are 0.5-1mm; It is the active carbon of 40-45% that photocatalyst filtering net surperficial immobilized has content, and the surface of active carbon is coated with nano titanium oxide.
Described PM10 screen pack 2, PM2.5 screen pack 3, nanometer adsorption layer 5, uviol lamp 6 and PM2.5 level modified photocatalyst layer 7 all are actively plugged in the casing 9 so that periodic replacement.
Beneficial effect of the present invention:
The present invention purifies and replenish anion through three-stage filtration makes the air of discharging have cleaning, aseptic, pure and fresh advantage, helps improving environment, improves air quality and people's living environment.
The present invention is simple in structure, and is easily manufactured flexible, can guarantee that depuration quality satisfies the regulation of relevant criterion through changing corresponding processing unit, and purifying rate and degerming rate are all above more than 99%.
The present invention can be adaptable across the air on population collection ground, public place such as subway station, high ferro Waiting Lounge, airport terminal, tunnel, compartment, hospital, historical relic's protection, museum, library, exhibition center, the Art Museum, people's air defense, national defence tunnel, market, hotel, public place of entertainment, service trade, biology, food, pharmacy, manufacturing, chemical industry, weaving, laboratory, office building, working environment and household.
Description of drawings
Fig. 1 is a sectional structure sketch map of the present invention.
Fig. 2 is the vertical view of Fig. 1.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is further described.
Shown in Fig. 1-2.
A kind of PM2.5 integral type air purification processing equipment; It comprises casing 9, PM10 screen pack 2, PM2.5 screen pack 3, blower fan 4, nanometer adsorption layer 5, anion generator 13 and photocatalytic system; Photocatalytic system is made up of uviol lamp 6 and PM2.5 level modified photocatalyst layer 7; PM10 screen pack 2, PM2.5 screen pack 3, nanometer adsorption layer 5, uviol lamp 6 and PM2.5 level modified photocatalyst layer 7 all are actively plugged in the casing 9 so that periodic replacement is as shown in Figure 1.One end of casing 9 is provided with lattice-shaped air inlet 1; The other end is provided with air outlet 8, is provided with filter chamber 10, fan house 11 and clean room 12 in the casing 9, and air inlet 1 is connected with filter chamber 10; Fan house 11 is connected with filter chamber 10 and clean room 12 simultaneously, and air outlet 8 is connected with clean room 12; PM10 screen pack 2 is installed in the filter chamber 10 near air inlet 8 one sides, and it is used to remove bigger dust and the floating thing of degranulation; M2.5 screen pack 3 is installed in the side of filter chamber 10 near fan house 11, and it is used to collect removes PM2.5 level dust; Machine 4 is installed in the fan house 11, and it is used to send the air of filter chamber's 10 preliminary purifications in the clean room 12 with disinfection function and provide for air is mobile power; Nanometer adsorption layer 5 is installed in the clean room 12 in the side near blower fan 4, and it is used to HC, NOx and formaldehyde and benzene type organic in the absorbed air, and short CO to wherein carries out the catalytic oxidation that gone on foot; In the clean room 12 that uviol lamp 6 and PM2.5 level modified photocatalyst layer 7 can alternately be installed between nanometer adsorption layer 5 and the air outlet 8; Uviol lamp 6 is removed airborne CO and white glucose coccus with the coordinative role of PM2.5 level modified photocatalyst layer 7, reaches the purpose of eliminating harmful germ in the air; Anion generator 13 is installed on the air outlet 8, so that the wind that air outlet 8 is discharged is pure and fresh more pleasant.
During practical implementation, PM10 screen pack 2 is polypropylene melt-blown static electret composite filter paper or HEPA filter paper with PM2.5 screen pack 3.The surfaces coated of described nanometer adsorption layer 5 is furnished with the oxide of active catalyst palladium, rhodium and platinum class noble metal and rare-earth element cerium, rubidium and metallic copper or manganese, and it can effectively adsorb HC, NOx and formaldehyde, benzene class organic volatile, also can CO catalytic oxidation.Described PM2.5 level modified photocatalyst layer 7 comprises the PM2.5 level filter screen of cellular photocatalyst filtering net of one deck and the immobilized nano titanium oxide of two layers of surface, effectively CO catalytic oxidation with kill bacterium such as white glucose coccus.Described cellular photocatalyst filtering net adopts aluminium matter honeycomb and photocatalyst filtering net, and the aperture 0.1-0.3mm of aluminium matter honeycomb, the thickness of photocatalyst filtering net are 0.5-1mm; It is the active carbon of 40-45% that photocatalyst filtering net surperficial immobilized has content, and the surface of active carbon is coated with nano titanium oxide.
Airborne dust laden air sucks air inlet 1 through blower fan 4, earlier through the above primary filter net 2 of PM10 level, removes bigger dust and the floating thing of degranulation, passes through PM2.5 level screen pack 3 then, collects and removes PM2.5 level dust; The air of preliminary purification is sent into the nanometer absorbing unit through blower fan 4; This unit can adsorb organic matters such as HC, NOx and formaldehyde, benzene class; Also can CO catalytic oxidation; Get into photocatalytic system then, utilize the uviol lamp 6 and the coordinative role of photocatalyst further to remove bacteriums such as CO and white glucose coccus, the anion that the collaborative anion generator of purified gas produces is discharged via air outlet 8; Thereby the purpose that the integral type that realizes toxic and harmfuls such as PM2.5, waste gas and bacterium purifies is as shown in Figure 2.
Inequality according to the space that is processed; So treating apparatus of the present invention all can there are differences to inner disposal unit from profile; Must be according to the size in actual treatment space; The pollution level of PM2.5 dust, the size and Orientation of processing air quantity, the disposal ability of appropriate design device, appearance and size and space layout.
Treating apparatus r profile of the present invention can be cuboid; Basic size is: length * wide * height=900mm * 700mm * 200mm; Size can be adjusted according to actual conditions; Filter chamber 10 as dust removing units can come the controlled filter area through the quantity of increase and decrease filter screen, and HC, NOx, various organic matter, bacterium and CO adsorb, kill with catalyst unit and can control treatment effect through quantity, ratio and the arrangement mode of adjustment nano adsorption material, nano titanium oxide and uviol lamp.The casing 1 of present embodiment can adopt Stainless Steel Shell; Length * wide * height=900mm * 600mm * 200mm; PM10 primary filter net and PM2.5 screen pack are the HEPA filter paper, the oxide of the active catalyst palladium of nano adsorption material surface coated different proportion and cerium and metallic copper and manganese.Modified honeycomb shape photocatalyst adopts aluminium matter honeycomb, and aperture 0.3mm, photocatalyst filtering net thickness are 0.5mm, immobilized active carbon content 40%, and surface spraying nano titanium oxide, it is 30W that uviol lamp adopts power, wavelength is 365nm, 4.Other specifications and disposal ability and performance see the following form:
The present invention does not relate to all identical with the prior art prior art that maybe can adopt of part and realizes.
Claims (6)
1. PM2.5 integral type air purification processing equipment is characterized in that it comprises:
One casing (9); One end of this casing (9) is provided with lattice-shaped air inlet (1); The other end is provided with air outlet (8), is provided with filter chamber (10), fan house (11) and clean room (12) in the casing (9), and air inlet (1) is connected with filter chamber (10); Fan house (11) is connected with filter chamber (10) and clean room (12) simultaneously, and air outlet (8) is connected with clean room (12);
One PM10 screen pack (2), this PM10 screen pack (2) are installed in the filter chamber (10) near air inlet (8) one sides, and it is used to remove bigger dust and the floating thing of degranulation;
One PM2.5 screen pack (3), this PM2.5 screen pack (3) are installed in the side of filter chamber (10) near fan house (11), and it is used to collect removes PM2.5 level dust;
One blower fan (4), this blower fan (4) are installed in the fan house (11), and it is used to send the air of filter chamber (10) preliminary purification in the clean room (12) with disinfection function and provide for air is mobile power;
One nanometer adsorption layer (5), this nanometer adsorption layer (5) are installed in the clean room (12) in the side near blower fan (4), and it is used to HC, NOx and formaldehyde and benzene type organic in the absorbed air, and short CO to wherein carries out the catalytic oxidation that gone on foot;
One photocatalytic system formed by uviol lamp (6) and PM2.5 level modified photocatalyst layer (7), they alternately are installed in the clean room (12) between nanometer adsorption layer (5) and the air outlet (8); Uviol lamp (6) is removed airborne CO and white glucose coccus with the coordinative role of PM2.5 level modified photocatalyst layer (7), reaches the purpose of eliminating harmful germ in the air;
One anion generator (13), this anion generator (13) is installed on the air outlet (8), so that the wind that air outlet (8) is discharged is pure and fresh more pleasant.
2. PM2.5 integral type air purification processing equipment according to claim 1 is characterized in that described PM10 screen pack (2) and PM2.5 screen pack (3) are polypropylene melt-blown static electret composite filter paper or HEPA filter paper.
3. PM2.5 integral type air purification processing equipment according to claim 1; It is characterized in that the surfaces coated of described nanometer adsorption layer (5) is furnished with the oxide of active catalyst palladium, rhodium and platinum class noble metal and rare-earth element cerium, rubidium and metallic copper or manganese; It can effectively adsorb HC, NOx and formaldehyde, benzene class organic volatile, also can CO catalytic oxidation.
4. PM2.5 integral type air purification processing equipment according to claim 1; It is characterized in that described PM2.5 level modified photocatalyst layer (7) comprises the PM2.5 level filter screen of cellular photocatalyst filtering net of one deck and the immobilized nano titanium oxide of two layers of surface, effectively CO catalytic oxidation with kill bacterium such as white glucose coccus.
5. PM2.5 integral type air purification processing equipment according to claim 4 is characterized in that described cellular photocatalyst filtering net adopts aluminium matter honeycomb and photocatalyst filtering net, and the aperture 0.1-0.3mm of aluminium matter honeycomb, the thickness of photocatalyst filtering net are 0.5-1mm; It is the active carbon of 40-45% that photocatalyst filtering net surperficial immobilized has content, and the surface of active carbon is coated with nano titanium oxide.
6. according to the described PM2.5 integral type of claim air purification processing equipment, it is characterized in that described PM10 screen pack (2), PM2.5 screen pack (3), nanometer adsorption layer (5), uviol lamp (6) and PM2.5 level modified photocatalyst layer (7) all are actively plugged in the casing (9) so that periodic replacement.
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| CN2012100557073A CN102589055A (en) | 2012-03-06 | 2012-03-06 | PM2.5 (Phase Modulation) integral air purification treatment device |
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| CN2012100557073A CN102589055A (en) | 2012-03-06 | 2012-03-06 | PM2.5 (Phase Modulation) integral air purification treatment device |
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