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a few new air filter decontamination effect analytical…

Published:2013-02-17 19:34 Click:wait for……
summary:a few new air filters purify effect analysis The United States ASHRAE marks to stipulate in the Huai 62-1989 Rs that the common air condition system requests to provide with to satisfy path to the grain at least 3!The percolation efficiency...
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a few new air filters purify effect analysis


    The United States ASHRAE marks to stipulate in the Huai 62-1989 Rs that the common air condition system requests to provide with to satisfy path to the grain at least 3!The percolation efficiency of m grain son is 60% air filters, in this equal to country mark 《the general airiness is used an air filter 》 of in the level of effect air filter.In order to considering investment and movement cost, many local air condition well ventilated system in usually adoption to inhale the dust have no to filter the metal silk screen of efficiency to add the early effect filter of thick bore foam plastics and plus circulate to support not appropriate, appear the air condition breeze tube inside the well ventilated system to accumulate cold machine of ash and form to accumulate a dust and cause problems like indoor bad air quality,etc.Pay attention to day by day to the indoor air environment quality along with people, the comfortable sex air condition also leads the concept of going into"sweep air".Although this definition that sweeps air not ability and traditional the clean condition requested by air condition place on equal footing,also request to send to dust, germ density and air pollution thing density of indoor air to attain to correspond standard.Therefore, the air filters equiping not only and needs to undertake to have in addition to dust function, still have to give attention to both to disinfect.But traditional fiber filter in majority of time, all be placed in to accumulate ash status, and filter a material to disinfect to lack active, at most belong to "defend mildewed".Want to reduce is to clearance microorganism within air, will adopt an other to lend support to means.Got into people's visual field for the new air filter of this various principle, air clean market also more and more fire.After being SARS particularly, the domestic rose the air decontamination percolation product heat, abroad each kind of anti-virus, filter a dust product also in succession flow out go into.
    Many decontamination products that appear on the market currently speak to isn't what new concept from the principle.The air filter used in comprehensive comfortable sex air condition system, disinfecting the principle can is divided into static electricity percolation, activated carbon, etc. ion, negative ion, and TiO2 light catalyst...etc..Figure 1 is a topic set is a few decontamination equipmentses that add to establish after 2004 investigates 8 central air condition mansions in Shanghai at SARS.Is tradition to filter the improvement means of method, these decontamination percolation of actual effect actually how?For this, we filter germ and filtered dust effect to carry on the spot test to a few new air filters, and pass comparison and analysis, evaluate the actual movement effect of one these new decontamination products, thus choose the percolation method of air condition system to have to the reasonable to definitely draw lessons from a function. 


1.A few new air filters

    In comfortable sex air condition system, new air filter product the title is numerous, the spot the investigation discover that the product that have been already used currently mostly can classify ion air filter, ozonizer and Na rice, such as, static electricity filter, and etc. catalyst decontamination machine etc..

2.The air decontamination product filters the spot test that the germ filters dust effect

    2.1 test purposes

    In current comfortable sex central air condition system, new air's purifying a product is known as the majority of the air cleaner of static electricity filter and etc. ion body, mainly being these two kinds of decontamination methods can't produce any influence at first to the well ventilated function of well ventilated system, and the operation ascends to also a little bit easily carry out, especially is very convenient to have already set up system to increase to establish a static electricity filter.We care a medical science hospital with Japanese national to cooperate, between 04-05 years, carried on to filter the spot test that the germ filters dust decontamination effect to the central air condition system of 4 use in Shanghai etc. ion body decontamination or the static electricity filter.

    2.1 test objects

in 8 air condition mansions of investigation, we chose that 4 more typical air condition systems are tests to analyze object, the concrete test carries on according to 《disinfect technical specification 》 .Physically filter a dust to filter germ effect for each air filter of test, we pass to compare an air filter to open it the variety of front and back germ dust density to analyze this filtering of a few air filterses germ in addition to dust efficiency.Also pass to compare an air filter to be placed in respectively at the same time close with open status bottom the variety of germ dust density of the indoor to certainly the decontamination effect of sex eacher filter.

3.Test result and analysis 
    3.1 air filters filter germ to filter dust effect

    In the air condition system A, system B and system C using different air filter, filter of in addition to germ and ratings in addition to dust efficiency such as table 4 and figure 2 show.In the middle of using the air condition system of waiting the ion air filter, the filtering of filter germ efficiency is on the average 39.3%, but respectively of in addition to dust efficiency(especially to can deposite in the human body lung and steep inside, the grain of harm human body health the path is smaller than 5!M dust)is on the average about 43.0%.But the static electricity air filter filter the germ efficiency as 66.7%, in addition to the germ has obvious effect;Static electricity filter to 1.0~5.0!The m or so grain son decontamination efficiency is higher, can reach to 80%, express that the static electricity air filter inhales particle towards cleaning canning, particularly is a small grain dust to contain the function to show Zhao.

    3.2 air filters open the variety of front and back indoor germ dust value

    In the air condition system A, C and D using different category air filter, the air filter opens front and back indoor germ dust variety to see table 5 and figure 3.In the middle of establishing the air condition system that wait the ion air filter, the filter opens germ density in containing of front and back indoor to descend to lead to 50.0% and contain the dust density is smaller than to the grain path 5!The m dust lowers to lead to 32.1% on the average.And in system C and system D using static electricity filter, the filter opens germ density in containing of front and back indoor and descends and leading about 55.2%, is more indoor than waiting an ion airs filter the germ effect is 10.4% in height, besides which, of contain a dust density and lower rate and also attain 64.1% on the average(grain the path is smaller than 5!M dust), comparing an adoption to etc. ion air filter to filter the effect is 99.7% in height, filter the effect of small particle very obvious.

4.Conclusion and discussion

    (1)Install a static electricity air filter of in addition to the germ rate ratio waits an ion air filter of average value Gao Yi Bei;The indoor germ value that installs a static electricity air filter descends ion air filters like rate ratio,etc of 10.4% in height, explain that the filtering of static electricity filter germ effect more shows Zhao.

(2) static electricity filter to 1.0~5.0!The m or so grain son decontamination efficiency is up to 80%;The indoor that adopts a static electricity air filter contains a dust density value invite in order to have to wait the half that the ion body air filter the indoor contains a dust density value, express a static electricity air filter of can inhale particle to decontamination the indoor, particularly is the effect of the small grain dust obvious.
&Nbsp;   (3)new static electricity air filter at in addition to dust, the germ contains obvious effect, besides which, , its resistance is small(3  ̄s 5 mmHs 2 Oses), consume to give or get an electric shock little, the specially suitable and current air condition filters the reformation of equipments, the investigation enunciation of the topic set, the domestic has already had to is the successful case of air condition machine set main filter it and believes currently as long as availably control a static electricity filter the electric field after easily broking through, gathering the dust turn on electricity an efficiency to descend and equipments cost higher factor, the static electricity air filter be a well ventilated central air condition system a kind of effective air decontamination means.
 

(Editor:admin)
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