A kind of purifying and sterilizing device of controlling aerial infection and air quality
[technical field]
The utility model relates to purification technology field, the control aerial infection that the high efficiency filter that to be a kind of applicable hospital High Risk Department specifically use with similar applications combines with high light photoion generator and the purifying and sterilizing device of air quality.
[background technology]
Along with social economy's level continues to advance, people improve day by day to the demand of quality of life, to self also more and more concern of residing living environment.Recent years, the air pollution episode constantly occurring has promoted the public greatly to the demand of air ambient and understanding, indoor air pollution can improve by individual, room air pollution refers to that in the room air causing due to a variety of causes, harmful substance exceeds standard, and then affecting the indoor environmental pollution behavior of health, nuisance comprises formaldehyde, benzene, ammonia, radioactive radon etc.
Air purifier, refer to and can adsorb, decompose or transform various air pollutants, generally comprise finishing pollution, bacterium, anaphylactogen of PM2.5, dust, pollen, peculiar smell, formaldehyde and so on etc., can effectively improve the product of air cleanliness, existing roughly have two kinds of patterns for indoor dynamic air purifying sterilizing apparatus, an electrion formula, such as adopting Electrostatic Absorption, plasma technology; Another kind is ultraviolet circulated air.Electrion formula advantage is to utilize the biological principle of electric shock to kill airborne bacterium, and resistance is less, service life is longer, and shortcoming is: remove PM2.5 particulate pollutant efficiency not high, easily produce ozone; And the advantage of ultraviolet circulated air is simple in structure, direct deactivation bacterium, shortcoming is that the efficiency of deactivation bacterium is not high, and does not control the effect of air quality.The conventional building laminar flow apparatus of High Risk Department such as Hospitals at Present operating room are also used for infection control, building laminar flow apparatus mainly carrys out filtering bacterium with high efficiency particulate air filter, its advantage is the effect with reliable degerming sterilization, can remove PM2.5 particulate pollutant simultaneously, its shortcoming is that bacterium, the virus intercepted and captured can be grown in filtering material in procreation, cause secondary pollution, in addition, the resistance of high efficiency filter formula is larger, service life is shorter, thereby the noise ratio of power that causes device is higher, maintenance cost is higher.
China Patent No. is 93226519.7 electrostatic air cleaner, China Patent No. is that the combined static field device of 97234337.7 sterilization air purification machine and China Patent No. 97106376.1 is the applicant in first to file, the product of these patent indications is done aerosol test at 30 cubic metres of environmental chambers, the efficiency of killing white staphylococcus can only reach 99.9%~99.99%, and above-mentioned patent is mainly for airborne bacterium, there is not the fine grained that pair particle diameter is less, for example PM2.5 has specific effect, do not relate to control formaldehyde yet, TVOC, ozone, sulfur dioxide, the effect of the air quality such as nitrogen oxide and peculiar smell key element.Therefore, how to solve this global problem, be the target of this field personnel struggle always.
[summary of the invention]
The purpose of this utility model is to solve existing various indoor dynamic air purifying sterilizing apparatus and removes bacterium, virus, PM2.5 particulate pollutant efficiency is not high, easily produce ozone technology and noise large, the technical problem of resistance, provide a kind of at hospital's High Risk Department or similar applications, use there is the airborne bacterium of efficient removal, the gaseous contaminants such as PM2.5 particulate pollutant, control aerial infection and air quality simultaneously, can not produce ozone, the secondary pollutions such as nitrogen oxide, energy noise decrease, resistance, the control aerial infection that the high efficiency filter of reduction consumptive material combines with high light photoion generator and the purifying and sterilizing device of air quality.
To achieve these goals, provide a kind of purifying and sterilizing device of controlling aerial infection and air quality, comprise casing, prefilter, blower fan, high light photoion generator, adsorbing medium layer, ozone catalytic layer, high-efficiency low-resistance filter and disinfectant dry fog generator, casing side and the back side are respectively equipped with air-inlet window, casing front is provided with air outlet window, in casing, be provided with some prefilters, described prefilter is arranged near air-inlet window one side, is provided with several independently cavate cleaning module and some groups of blower fans in casing, several blower fans and cavate cleaning module parallel combination form, cavate cleaning module and horizontal fan are set up in parallel, and several blower fans are vertically installed in air-inlet window one side, process air quantity large, noise is little, long service life, blower fan bottom is provided with disinfectant dry fog generator, in the middle of cavate cleaning module, is provided with high light photoion generator, and cavate cleaning module is by adsorbing medium layer, high light photoion generator, high-efficiency low-resistance filter and ozone catalytic layer form, and can remove efficiently airborne PM2.5, the microorganisms such as bacterium, can also remove formaldehyde effectively, TVOC, the pernicious gases such as ozone, reach the requirement of controlling air quality.
Described prefilter is comprised of metal material and fibrous material, can remove the pollutants such as large diameter particle and hair, fiber, has applied anti-biotic material on it, can kill the microorganisms such as bacterium in air-flow.
Described rotation speed of fan is below 1400 revs/min.
The air velocity of described purifying and sterilizing device air outlet window horizontal blast is less than or equal to 1m/s.
On described prefilter, spray long-acting antibiotic agent or lysozyme or prefilter and adopt anti-biotic material to make, can anti-bacteria etc. the breeding of microorganism.
In described cavate cleaning module, be provided with filtration, purification layer, filtration, purification layer innermost layer is adsorbing medium layer, and adsorbing medium layer is provided with ozone catalytic layer outward, and ozone catalytic layer is provided with high-efficiency low-resistance filter outward.
Described adsorbing medium is made by active carbon, molecular sieve or ceramic porous material, can catalysis and directly the formaldehyde in decomposition air-flow, TVOC, etc. organic gas, can directly kill the microorganisms such as bacterium in air-flow simultaneously, ozone catalytic layer is cellular ozone catalytic layer, can the interior airborne ozone of decomposition chamber.
Described high-efficiency low-resistance filter adopts composite plastic fiber process to form, and efficiently removes airborne PM2.5 particle, reaches filtration grade more than H12, windage is low, and dust containing capacity is large, and air drag is less than 50Pa, removal of bacteria rate reaches 99.9999%, PM2.5 removal efficiency and reaches more than 99.9%.
Compared with the existing technology, its advantage is the utility model: organize blower fan and cavate cleaning module parallel combination forms more, process that air quantity is large, noise is little, long service life; Utilize the multiple methods such as adsorbing medium, Catalytic Layer, high light light photoion generator, high-efficiency low-resistance filter and ozone catalytic layer, remove efficiently the microorganisms such as airborne PM2.5, bacterium, can also effectively remove the pernicious gases such as formaldehyde, TVOC, ozone, reach the requirement of controlling air quality simultaneously; Adopt the streamer mode of the horizontal air-out of positive surface large area, can directly clean air be delivered to people's breathing zone, for effectively quick infection control and air quality, for protection indoor environment, prevent transmission, ensure health, protection precision instrument and experimental situation provide highly effective means; Prefilter is comprised of metal material and fibrous material, has applied anti-biotic material on it, can anti-bacteria etc. the breeding of microorganism, conveniently take off the self-cleaning by user; This has adopted and on filtering material, has sprayed long-acting antibiotic agent or lysozyme, anti-biotic material making filter, has used the surface of high light photoion irradiation filtrate, has effectively solved the problem that is difficult to solve the bacterium generation secondary pollution of intercepting and capturing on filtering material by the method for filter type degerming.
[accompanying drawing explanation]
Fig. 1 is embodiment 1 structure chart of the present utility model;
Fig. 2 is embodiment 1 sectional side view of the present utility model;
Fig. 3 is the cross-sectional figure of embodiment 1 of the present utility model;
Fig. 4 is embodiment 2 side views of the present utility model;
Fig. 5 is embodiment 2 sectional side views of the present utility model;
Fig. 6 is the cross-sectional figure of embodiment 2 of the present utility model;
In figure: 1, the positive surface large area air outlet window 4. control panel 5. castor 6. blower fan 7. cavate cleaning module 8. prefilter 9. high light photoion generator 10. disinfectant dry fog generators of casing 2, side and back side air-inlet window 3.;
Specify Fig. 1 as Figure of abstract of the present utility model.
[specific embodiment]
Below in conjunction with accompanying drawing, the invention will be further described, and the structure of this device and principle are very clearly concerning this professional people.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
As shown in Fig. 1~Fig. 6, the utility model casing 1 is the mixed structure of taking of panel beating and plastics, room air enters with the air-inlet window 2 at the back side from the side, through prefilter 8, remove fiber, the large diameter particulate pollutant such as hair, arrive blower fan 6, many group blower fans and cavate cleaning module parallel combination form, air quantity is large, noise is little, long service life, front is large area air outlet window 3, clean air is delivered to indoor people's breathing zone and working region from front-outlet window horizontal direction, control assembly 4 is user-friendly, castor 5 can facilitate user to move freely indoor.
Prefilter 8 is combined by the protruding net of brocade or multilayer aluminum platinum, can clean, it act as pollutants such as removing large diameter particle and hair, fiber, metallic aluminium platinum has the airborne ion of neutralization concurrently, eliminate the effect of static, on prefilter 8, applied anti-biotic material, can anti-bacteria etc. the breeding of microorganism, prefilter 8 can conveniently take off by user self-cleaning, because prefilter 8 has antibacterial effect, therefore do not worry unpick and wash with moving process in the diffusion problem of the microorganism such as bacterium.
Cavate cleaning module 7 is comprised of adsorbing medium layer, ozone catalytic layer, high-efficiency low-resistance filter, adsorbing medium is made by porous materials such as active carbon, molecular sieve or potteries, various chemical substances have been flooded above, for formaldehyde, the potassium permanganate of dipping has splendid treatment effect Catalytic Layer and the combination of high light photoion generator has very strong catalysis and the effect of photodissociation, can catalysis and directly decompose formaldehyde in air-flow, TVOC, etc. organic gas, the while can directly be killed the microorganisms such as bacterium in air-flow.
Airborne ozone in cellular ozone catalytic layer decomposition chamber, the functional module of deozonize is installed in local air clarifier, can realize rapid catalytic decomposition ozone, reach the strict ozone concentration safety limit standard of indoor requirement, the concentration of ozone can reach below 0.01mg/m3.
It is that composite plastic fiber process forms that high-efficiency low-resistance filter adopts, reach filtration grade more than H12, reach filtration rank more than H13, be different from common glass fibre HEPA filter, it is in the situation that once reaching 99.9% by removal efficiency, resistance is less than 50Pa, windage is low, and dust containing capacity is large, and air drag is less than 50Pa, removal of bacteria rate reaches 99.9999%
The processing air quantity method to set up of the utility model design is: require to reach 100,000 grades of cleanliness factor requirements, and 15 times of application space, for 30 square metres, 3 meters of floor heights indoor, processes air quantity and is 1250 cubes ms/h; Requirement reaches 10,000 grades of cleanliness factor requirements, 25 times of application space, and for 30 square metres, 3 meters of floor heights indoor, processes air quantity and is 2250 cubes ms/h; Requirement reaches 1000 grades of cleanliness factor requirements, 40 times of application space, and for 30 square metres, 3 meters of floor heights indoor, processes air quantity and is 3600 cubes ms/h.
Embodiment 1
Fig. 1~3rd, a kind of embodiment of the present utility model, as shown in Figures 1 to 3, room air is under the swabbing action of many group blower fans 6, prefilter 8 by bottom and the back side enters cavate cleaning module 7, the middle proper site of cavate cleaning module 7 is provided with high light photoion generator 9, and high light photoion generator 9 jointly completes and purifies and sterilization task with cavate cleaning module 7.
Embodiment 2
Fig. 4~6th, another kind of embodiment of the present utility model, as shown in Fig. 4~6, room air is under the swabbing action of blower fan 6, air-inlet window 2 by the back side enters cavate cleaning module 7 with prefilter 8, blower fan 6 is arranged vertically, by a plurality of parallel combinations, formed, disinfectant dry fog generator 10 can gap or is recurred dry fog disinfectant, has auxiliary degerming and the function eliminating the unusual smell.