CN103357057B - Passenger train method for purifying indoor air and system - Google Patents
Passenger train method for purifying indoor air and system Download PDFInfo
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- CN103357057B CN103357057B CN201210080688.XA CN201210080688A CN103357057B CN 103357057 B CN103357057 B CN 103357057B CN 201210080688 A CN201210080688 A CN 201210080688A CN 103357057 B CN103357057 B CN 103357057B
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Abstract
The present invention relates to a kind of passenger train method for purifying indoor air and system, at least comprise: the stifling step of high-temperature steam is carried out to article in car: to article surface spraying medicament in car, with the step of resolving harmful gas; Environment inside car is carried out to the step of ozonization: force ventilated step is carried out to environment inside car.The present invention can decompose harmful gass such as the formaldehyde in car and volatile organic matters, remove abnormal flavour, spatial environments is carried out disinfection purified treatment, the problem that in effective solution passenger car, harmful gas exceeds standard, make the air ambient in compartment reach the relevant regulations of TB/T1932-2009 " passenger train health and monitoring technology specify ", and then ensure the physical and mental health of passenger.
Description
Technical field
The present invention relates to a kind of air-treatment method and system, particularly a kind of method and system that air in passenger train is purified, belong to passenger train air-treatment technical field.
Background technology
In recent years, a large amount of new materials, new technology is employed in the manufacture of parts and installation process in passenger train.The material of some parts itself is containing part free formaldehyde and volatile organic matter, or employ in parts installation process volatile go out the material (as adhesive, paint etc.) of harmful gas, formaldehyde and other harmful gas can be volatilized after so just causing parts entrucking.Meanwhile, because interior space is narrow and small, seal is strong, and air circulation is comparatively slow, and this just more exacerbates the gathering of harmful gas in car.
According to the relevant regulations of TB/T1932-2009 " passenger train health and monitoring technology specify ", in car, the content of formaldehyde in air should be not more than 0.1mg/M
3, total organic volatile content should be not more than 0.6mg/M
3.By detecting, we find the phenomenon that part vehicle exists harmful gas in car and exceeds standard, and in the car of indivedual vehicle, harmful gas exceeds standard seriously, threaten the physical and mental health of the passenger that rides.Passenger train in-vehicle air pollution has become a problem that can not be ignored.
Summary of the invention
Main purpose of the present invention is to solve the problem and deficiency, provides one can effectively reduce harmful gas in compartment content, makes compartment environment meet the passenger train method for purifying indoor air of air quality standard relevant regulations.
For achieving the above object, technical scheme of the present invention is:
A kind of passenger train method for purifying indoor air, point four steps progressively process the air in compartment;
The first step, carries out high-temperature steam to article in car and fumigates;
Second step, to article surface spraying medicament in car, with resolving harmful gas, containing the photo-catalytic nano particle with photocatalysis performance in the medicament of spraying, after medicament has sprayed, has closed door-window and has turned on room light lamp certain time;
3rd step, closes door-window, makes compartment form the environment of a relative closure, carry out ozonization to environment inside car;
4th step, opens all door and windows of vehicle, carries out forced ventilation to environment inside car.
Further, the step that described high-temperature steam is stifling is sprayed article surface for adopting high-temperature steam.
Further, described light application time is at least 12 hours.
Further, described ozone treatment step at least keeps 2 hours.
To sum up content, a kind of passenger train method for purifying indoor air of the present invention and system, can decompose harmful gass such as the formaldehyde in car and volatile organic matters, remove abnormal flavour, spatial environments is carried out disinfection purified treatment, the problem that in effective solution passenger car, harmful gas exceeds standard, makes the air ambient in compartment reach the relevant regulations of TB/T1932-2009 " passenger train health and monitoring technology specify ", and then ensures the physical and mental health of passenger.
Accompanying drawing explanation
Fig. 1 is present system structure chart;
Fig. 2 is flow chart of the present invention.
As depicted in figs. 1 and 2, high-temperature steam generation apparatus 1, ozone equipment 2, fan 3, spray gun 4, air compressor 5.
Detailed description of the invention
Below in conjunction with accompanying drawing and detailed description of the invention, the present invention is described in further detail:
As shown in Figure 1, a kind of passenger train inner air-cleaning system of vehicle, comprise compartment (not shown), equipment required for purification of air is set in compartment, equipment comprises high-temperature steam generation apparatus 1, medicament, ozone equipment 2, fan 3, one wherein and plurality of devices can be selected according to actual needs, in the present embodiment, in order to the air in compartment effectively can be purified, the harmful gass such as the formaldehyde in removal compartment, the Organic substance of volatilization, adopt above-mentioned all air cleaning facilities.
Wherein, high-temperature steam generation apparatus 1, for being high-temperature steam machine, when wherein working, can producing the high-temperature water vapor of about 130 DEG C and the powerful blowing force of about 3.2bar, spray article surface in car.
Medicament needs to be coated on the surface of article in car, can adopt manual coating, also can utilize spray gun spraying, loads in spray gun in advance by medicament, smears more even like this, and can raise the efficiency.Spraying adopts high atomization spray gun 4, and spray gun 4 connects an air compressor 5.During spraying, spray pressure should remain between 0.25 ~ 0.45MPa, and the shower nozzle of spray gun 4 will keep the distance of 25 ~ 35cm with the coated surface of article in car, and spray gun 4 will spray perpendicular to coated surface, make medicament more even, and the pharmaceutical quantities that guarantee is sprayed on article surface.
Containing the photo-catalytic nano particle with photocatalysis performance in the medicament of spraying, under the effect of light, these photo-catalytic nano particles can with the H in air
2o and O
2effect, produces hydroxyl free radical (OH) and super cloudy oxonium ion (O
2 -).These hydroxyl free radicals and super cloudy oxonium ion have very strong oxidative decomposition capacity, the chemical bond in the harmful gas molecules such as formaldehyde, benzene and benzene homologues can be destroyed, make harmful gas be converted into the innocuous substance such as carbon dioxide and water through a series of chemical change.In addition, in the reaction of resolving harmful gas, itself there is not chemical change in these nanoparticles, and they just play catalytic action under the effect of light, these photo-catalytic nano particle coatings can be attached to article surface in car, therefore can be continual and steady play a role for a long time simultaneously.
Ozone equipment 2 is ozonator, is placed on the position that floor 2m in car is high.Ozone is one of the strongest known oxidant at present, is the antibacterial of high-efficiency broad spectrum, better for air purifying and sterilizing effect.The Strong oxdiative ability of ozone can destroy the chemical bond of formaldehyde, benzene homologues and other harmful gas molecule in air, thus impels harmful gas finally to transform into CO
2and H
2the innocuous substances such as O.Meanwhile, ozone also has disinfection, removes the effect of abnormal flavour.
Be used in fan 3 carrying out forced ventilation in compartment, in the present embodiment, fan 3 preferably adopts the aerofoil fan that air quantity is larger, is placed on the one end in compartment, to the other end forced air supply in compartment.
Be described below in detail the flow process of purification of air, in the present embodiment, as shown in Figure 2, in order to the air in compartment effectively can be purified, preferably adopt following four steps, progressively the air in compartment is processed.
The first step, the stifling step of high-temperature water vapor is carried out to article in car:
Aim at article in car with high-temperature steam generation apparatus 1 (i.e. high-temperature steam machine) to spray, so to article in car carry out high-temperature water vapor fumigate.
When the high-temperature water vapor that high-temperature steam machine produces to be applied in car on article, the volatilization of article internal contamination material can be promoted, displace the most of harmful gas in car in article, reduce the concentration of article internal contamination material, high temperature also can make article surface activate simultaneously.In addition, high-temperature water vapor also can clean article surface, and remove the dust of article surface, the medicament being conducive to follow-up spraying is attached to the surface of article.
Second step, to article surface spraying medicament in car, the step with resolving harmful gas:
After the first step has been fumigated, carry out medicament spraying.Open air compressor 5 and high atomization spray gun 4, by the medicament even application article surface in car in spray gun 4.
During spraying, spray pressure should remain between 0.25 ~ 0.45MPa, and the shower nozzle of spray gun 4 will keep the distance of 25 ~ 35cm with the coated surface of article in car, and spray gun 4 will spray perpendicular to coated surface, make medicament more even, and the pharmaceutical quantities that guarantee is sprayed on article surface.The pharmaceutical quantities of spraying is determined by the degree that exceeds standard of harmful gas in car, and exceed standard more, the pharmaceutical quantities of spraying is more, can select to lengthen spray time, also can select repeatedly many sprayings several times.
Because containing the photo-catalytic nano particle with photocatalysis performance in the medicament of spraying, this photo-catalytic nano particle is ability resolving harmful gas under the condition of illumination only, so, after medicament has sprayed, close door-window and turn on room light lamp, utilize the illumination condition that room light lamp realizes needed for photo-catalytic nano particle, need in this step to keep light application time at least 12 hours, decomposed fully to make the harmful gas in compartment and transform.In this process, the harmful gass such as formaldehyde, benzene and benzene homologues are decomposed and change into innocuous substance, and form photo-catalytic nano particle coating at article surface, and this coating can be attached to article surface in car for a long time, plays a role with continual and steady.
3rd step, environment inside car is carried out to the step of ozonization:
After spraying medicament step completes, carry out ozonization.Ozone is one of the strongest known oxidant at present, is the antibacterial of high-efficiency broad spectrum, better for air purifying and sterilizing effect.The Strong oxdiative ability of ozone can destroy the chemical bond of formaldehyde, benzene homologues and other harmful gas molecule in air, thus impels harmful gas finally to transform into CO
2and H
2the innocuous substances such as O.Meanwhile, ozone also has disinfection, removes the effect of abnormal flavour, improves the air quality in compartment further.
This process, need to close door-window, compartment is made to form the environment of a relative closure, ozone equipment 2 (i.e. ozonator) is placed in compartment, for ensureing its effect, ozone equipment 2 is placed on the high position of floor 2m in car, and at least discharges the ozone of 30 minutes, the state of then continuation maintenance door and window closedown 2 hours.
4th step, force ventilated step is carried out to environment inside car:
After three step process above, in car, most of harmful gas can be removed, and finally carries out ventilation process.Ventilation can make car inner air and outer air fully exchange, and harmful gas remaining in the waste gas produced and air, medicament and ozone is discharged to outside car in governance process.
In this process, needing to open all door and windows of vehicle, fan 3 (axial flow blower) is placed on vehicle one end, to other end forced air supply, for ensureing ventilation effect, at least will keep forcing blowing 2 hours.
So far, the step of purification of air all completes.
To exceed standard slight vehicle to harmful gas, once complete above-mentioned four steps, air in a car compartment can reach TB/T1932-2009 " passenger train health and the monitoring technology specify " requirement to in-car air quality.Harmful gas is exceeded standard more serious vehicle, can be processed by the mode repeatedly repeating above-mentioned four steps, reach standard-required to make air in car.
As mentioned above, plan content given by reference to the accompanying drawings, can derive similar technical scheme.In every case be the content not departing from technical solution of the present invention, any simple modification done above embodiment according to technical spirit of the present invention, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (4)
1. a passenger train method for purifying indoor air, is characterized in that: point four steps progressively process the air in compartment;
The first step, carries out high-temperature steam to article in car and fumigates, and promotes the volatilization of article internal contamination material, displaces the harmful gas in car in article, article surface is activated, for preparing in the surface making the medicament of follow-up spraying be attached to article;
Second step, to article surface spraying medicament in car, with resolving harmful gas, containing the photo-catalytic nano particle with photocatalysis performance in the medicament of spraying, after medicament has sprayed, close door-window and turn on room light lamp certain time, room light lamp is utilized to provide illumination condition needed for photo-catalytic nano particle, the harmful gas in compartment is made to be decomposed and transform, the medicament of spraying forms photo-catalytic nano particle coating at article surface, continues the effect playing resolving harmful gas;
3rd step, closes door-window, makes compartment form the environment of a relative closure, carry out ozonization to environment inside car;
4th step, opens all door and windows of vehicle, carries out forced ventilation to environment inside car.
2. passenger train method for purifying indoor air according to claim 1, is characterized in that: the step that described high-temperature steam is fumigated is sprayed article surface for adopting high-temperature steam.
3. passenger train method for purifying indoor air according to claim 1, is characterized in that: described light application time is at least 12 hours.
4. passenger train method for purifying indoor air according to claim 1, is characterized in that: described ozone treatment step at least keeps 2 hours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201210080688.XA CN103357057B (en) | 2012-03-26 | 2012-03-26 | Passenger train method for purifying indoor air and system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210080688.XA CN103357057B (en) | 2012-03-26 | 2012-03-26 | Passenger train method for purifying indoor air and system |
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|---|---|
| CN103357057A CN103357057A (en) | 2013-10-23 |
| CN103357057B true CN103357057B (en) | 2016-01-20 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104548172A (en) * | 2014-12-30 | 2015-04-29 | 田粤伟 | Treatment method for removing peculiar smell and sterilizing |
| CN105126565A (en) * | 2015-08-26 | 2015-12-09 | 马永 | Indoor and in-car air purification method |
| CN106621790A (en) * | 2016-12-29 | 2017-05-10 | 天津市天朝鼎盛环保科技有限公司 | Formaldehyde removing method |
| CN108620291A (en) * | 2018-03-28 | 2018-10-09 | 上海昱晨环保科技有限公司 | A kind of construction method of photocatalyst |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1751744A (en) * | 2004-09-24 | 2006-03-29 | 福建新大陆环保科技有限公司 | Method and device for air disinfection for air-conditioning train |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1751744A (en) * | 2004-09-24 | 2006-03-29 | 福建新大陆环保科技有限公司 | Method and device for air disinfection for air-conditioning train |
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| CN103357057A (en) | 2013-10-23 |
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Address after: Jihongtan town Chengyang District Shandong city Qingdao province Jinhong road 266111 No. 88 Patentee after: CRRC QINGDAO SIFANG CO., LTD. Address before: Chengyang District of Qingdao city Jihongtan town Shandong city Qingdao province Jinhong road 266111 No. 88 Patentee before: CSR Qingdao Sifang Locomotive and Rolling Stock Co., Ltd. |