CN106526095B - Material for air purification purifying property measuring method - Google Patents
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- CN106526095B CN106526095B CN201710004705.4A CN201710004705A CN106526095B CN 106526095 B CN106526095 B CN 106526095B CN 201710004705 A CN201710004705 A CN 201710004705A CN 106526095 B CN106526095 B CN 106526095B
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Abstract
The invention discloses a kind of material for air purification purifying property measuring methods, belong to air purification field, this method is used for material for air purification purifying property measurement device, the measurement device includes outer cabin, the first outer cabin air flow inlet and the first outer cabin air stream outlet are offered on the outer cabin, which comprises step 1: material for air purification is placed into the measurement device；Step 2: being passed through contamination gas from the described first outer cabin air flow inlet, the concentration of the contamination gas is Cin；Step 3: in the concentration C of the described first outer cabin air flow outlet the real time measure contamination gasout, and record minute t；Step 4: calculating material for air purification in t moment to the purification efficiency η of contamination gas, as shown in formula (I).The present invention can measure a variety of material for air purification to the purification efficiency of a variety of contamination gases, and measurement result is more accurate.
Description
Technical field
The present invention relates to air purification fields, particularly relate to a kind of material for air purification purifying property measuring method.
Background technique
Currently, environment deteriorates increasingly in global range, and air pollution of the multiple cities in China including Beijing is increasingly
It is seriously undisputable fact.The continuous wide range of haze weather especially occurred in the recent period more promotes people to air quality
Worry.Meanwhile people to the overdress finishing of living environment lead to that a large amount of formaldehyde, benzene, first can be discharged in the construction process
The volatile organic matters such as benzene and ammonia (total volatile organism, Total Volatile Organic Compounds, TVOC), one
Aspect causes room air pollution, on the one hand issues third contact of a total solar or lunar eclipse chemical reaction in illumination effect with NOx (nitrogen oxides), leads to convection current
The problems such as layer ozone concentration and secondary organic aerosol concentration increase, directly or indirectly affects human health.National each
Air treating policy advocate under the stimulation of significant market demand, purifying formaldehyde wallpaper, functional gypsum in China market
Plate, melamine ecological plate, net aldehyde coating, except the types of functionality material for air purification development such as haze paint, diatom ooze ecological board it is fast
Suddenly.
In order to ensure the sound development of air clearing product, China has formulated corresponding evaluation material for air purification purification property
The standard of energy.Wherein it is suitable for the standard methods of the material for air purification to pollutant purification performance measurement such as coating, film, sheet material
Mainly are as follows: QB/T 2761-2006 " indoor air purification product clean-up effect measuring method " and JC/T 1074-2008 are " indoor
Air-cleaning function coating material purifying property ".But the two methods can only all evaluate letter of the material for air purification to pollutant
Single reducing effect, and evaluation result accuracy is not high.
Summary of the invention
The present invention provides a kind of material for air purification purifying property measuring method, and this method can measure a variety of air cleanings
Material is to the purification efficiencies of a variety of contamination gases, and measurement result is more accurate.
In order to solve the above technical problems, present invention offer technical solution is as follows:
The present invention provides a kind of material for air purification purifying property measuring method, and the method is net for material for air purification
Change property detecting device, the measurement device includes outer cabin, is offered outside the first outer cabin air flow inlet and first on the outer cabin
Cabin air stream outlet, which comprises
Step 1: material for air purification is placed into the measurement device；
Step 2: being passed through contamination gas from the described first outer cabin air flow inlet, the concentration of the contamination gas is Cin；
Step 3: in the concentration C of the described first outer cabin air flow outlet the real time measure contamination gasout, and record minute
t；
Step 4: material for air purification is calculated in t moment to the purification efficiency η of contamination gas:
Further, the step 1 further include: record material for air purification has the surface area A of purification function；
The step 2 further include: record the flow velocity f of contamination gas；
The step 4 further include: calculate material for air purification in t moment to the purification capacity F of contamination gas and air cleaning
Purification persistence P of the material to contamination gas, in which:
P=∑i(Fi×Δti), Δ ti=ti-ti-1
FiFor tiPurification capacity of the moment material for air purification to contamination gas.
Further, the measurement device further includes inside cabin, and the step 1 includes:
Step 11: the material for air purification is placed into the inside cabin；
Step 12: the inside cabin is placed into the outer cabin.
Further, light source is provided at the top of the outer cabin, the inside cabin includes telescopic inside cabin bracket, described interior
Quartz window, the step 1 are provided on cabin further include:
Step 13: adjusting inside cabin bracket, so that inside cabin and light source reach suitable distance, which makes air cleaning material
Intensity of illumination at material reaches test requirements document；
Step 14: opening the light source.
Further, the described first outer cabin air flow inlet is connected with standard solid air feed system and pure air supply dress
It sets；The second outer cabin air flow inlet and the second outer cabin air stream outlet, the second outer cabin air flow inlet are also provided on the outer cabin
It is connected with the second outer cabin air stream outlet by airflow channel, fluid contaminants injection room is provided on the airflow channel；It is described
Further include step 1 before step 2 ' or step 1 ", in which:
The step 1 ' it include: the flow for adjusting the standard solid air feed system and clean air devices, make
It obtains standard solid gas and pure air is mixed into contamination gas, the concentration of the contamination gas is Cin；
The step 1 " includes: the flow for adjusting the standard solid air feed system, is infused to fluid contaminants injection room
Inject a certain amount of fluid contaminants so that standard solid gas and fluid contaminants are mixed into contamination gas, the contamination gas it is dense
Degree is Cin。
Further, it is provided with gas vacuum on the airflow channel, after the step 2, is also wrapped before step 3
It includes:
Step 21: close the first outer cabin air flow inlet and the first outer cabin air stream outlet, the second outer cabin air flow inlet of opening with
Second outer cabin air stream outlet opens gas vacuum, so that contamination gas recycles in outer cabin；
Step 22: after a period of time, opening the first outer cabin air flow inlet and the first outer cabin air stream outlet, close the second outer cabin
Air flow inlet and the second outer cabin air stream outlet close gas vacuum.
Further, the method also includes:
Step 5: pure air being passed through by the first outer cabin air flow inlet, until measuring dirt in the first outer cabin air flow outlet
It contaminates gas concentration and air is close.
Further, the measurement device further includes accelerated test pipe, and the step 1 includes:
Step 11 ': porous fixed material, mineral wool, the sky for being ground into certain partial size are successively filled in accelerated test pipe
Gas scavenging material, mineral wool and porous fixed material；
Step 12 ': the accelerated test pipe is placed into the outer cabin, and is made outside accelerated test pipe and described first
Cabin air flow inlet and the first outer cabin air stream outlet connection.
Further, the step 3 further include: record contamination gas penetrates the time t of accelerated test pipeb；
The step 4 further include: calculate material for air purification to the purification persistence P ' of contamination gas:
Wherein, m is the quality of material for air purification.
The invention has the following advantages:
The present invention can be changed with time rule by pollution gas concentration in analysis certain time, when being calculated specific
Between material for air purification to the purification efficiency of contamination gas.And in test, contamination gas continuously flows the present invention, fully considers
Contamination gas constantly generates, the influence of material for air purification factors such as superficial air flowing in actual use, continuous dynamic
Purge gass can blow away in time reaction product, the catharsis of material for air purification maximumlly be played, so that measurement result is more
Accurately.
It present invention can be suitably applied to the purification based on physisorption type, chemical reaction type and composite air scavenging material
The analysis of energy, such as coating, wallpaper, plasterboard, wood-based plate, sheet material, textile product.
Material for air purification can be achieved to aldehydes, benzene homologues, NOx, SO in the present invention2Etc. the prison of various volatile pollutants
It surveys.
In conclusion material for air purification purifying property measuring method of the invention can measure a variety of material for air purification
To the purification efficiency of a variety of contamination gases, and measurement result is more accurate.
Detailed description of the invention
Fig. 1 is the outer cabin structure schematic diagram in the present invention；
Fig. 2 is the inside cabin structural schematic diagram in the present invention；
Fig. 3 is the accelerated test pipe structural schematic diagram in the present invention；
Fig. 4 is the schematic diagram after outer cabin and inside cabin combination；
Fig. 5 is the schematic diagram after outer cabin and the combination of accelerated test pipe.
Specific embodiment
To keep the technical problem to be solved in the present invention, technical solution and advantage clearer, below in conjunction with attached drawing and tool
Body embodiment is described in detail.
The present invention provides a kind of material for air purification purifying property measuring method, and method is for material for air purification purification property
Energy measurement device, as shown in Figure 1, measurement device includes outer cabin 100, outer cabin 100 includes outer cabin cabin 110, and outer cabin cabin is to survey
Determine the main body of device, can be the material of the low absorbabilities such as surface polishing treatment or stainless steel, the organic glass of deactivation, outer cabin cabin
It is provided with the first outer cabin air flow inlet 120 on the side wall of body 110 and the first outer cabin air stream outlet 130, measuring method include:
Step 1: material for air purification is placed into measurement device.In this step, material for air purification is located in outer cabin,
It can be and be simply placed on bracket, be also possible to be placed in inside cabin described hereinafter or in accelerated test pipe.
Step 2: being passed through contamination gas from the first outer cabin air flow inlet, the concentration of contamination gas is Cin.In this step, by contamination gas
Generating means are connect with the first outer cabin air flow inlet by pipeline, and contamination gas generating means, which refer to, to be generated contamination gas and to pollute
Gas flows into the device of the first outer cabin air flow inlet, the simple example of contamination gas generating means with certain flow rate are as follows: air accumulator,
It is C that concentration is stored in the air accumulatorinContamination gas, have valve or mass flow controller on air accumulator, control contamination gas with
Flow velocity f flows into the device of the first outer cabin air flow inlet.
Step 3: in the concentration C of the first outer cabin air flow outlet the real time measure contamination gasout, and record minute t.This
In step, air pump (or gas producing device) and detection system 800 are connect with the first outer cabin air stream outlet.T moment by air pump or
Gas producing device acquires gas in the first outer cabin air stream outlet, uses the concentration C of detection system detection contamination gasout, obtain CoutWith
The changing rule of time.This step can test the Pollutant-degrading gene that t is the different times such as 1d, 2d, 7d, 28d and purification is held
Amount.It for needing to test the material for air purification of purification persistence, must continuously monitor daily, until material for air purification is to pollution
When the purification capacity of object is reduced to 1d 1/2 when, can terminate to test.
Step 4: material for air purification is calculated in t moment to the purification efficiency η of contamination gas:
The invention has the following beneficial effects:
The present invention can be changed with time rule by pollution gas concentration in analysis certain time, when being calculated specific
Between material for air purification to the purification efficiency of contamination gas.And in test, contamination gas continuously flows the present invention, fully considers
Contamination gas constantly generates, the influence of material for air purification factors such as superficial air flowing in actual use, continuous dynamic
Purge gass can blow away in time reaction product, the catharsis of material for air purification maximumlly be played, so that measurement result is more
Accurately.
It present invention can be suitably applied to the purification based on physisorption type, chemical reaction type and composite air scavenging material
The analysis of energy, such as coating, wallpaper, plasterboard, wood-based plate, sheet material, textile product.
Material for air purification can be achieved to aldehydes, benzene homologues, NOx, SO in the present invention2Etc. the prison of various volatile pollutants
It surveys.
In conclusion material for air purification purifying property measuring method of the invention can measure a variety of material for air purification
To the purification efficiency of a variety of contamination gases, and measurement result is more accurate.
The present invention can also measure purification capacity F and material for air purification pair of the material for air purification in t moment to contamination gas
The purification persistence P of contamination gas, corresponding step are as follows:
Step 1 further include: record material for air purification has the surface area A of purification function.Material for air purification at this time
It has passed through pretreatment, pretreatment generally refers to doing material for air purification into slabbing, or material for air purification is coated to glass
In glass plate etc..
Step 2 further include: record the flow velocity f of contamination gas.
Step 4 further include: calculate material for air purification in t moment to the purification capacity F and material for air purification of contamination gas
To the purification persistence P of contamination gas, in which:
P=∑i(Fi×Δti), Δ ti=ti-ti-1
FiFor tiPurification capacity of the moment material for air purification to contamination gas.
The present invention can measure the purification capacity and purification persistence of material for air purification, and purification capacity and purification are held
Long performance enough assesses the application effect after material for air purification long-time use, and purification capacity and purification persistence can be more
The purifying property of comprehensive and accurate reflection material for air purification.
As an improvement of the present invention, as shown in Fig. 2, measurement device further includes inside cabin 200, inside cabin 200 includes inside cabin
Cabin 210, for placing material for air purification 400 inside inside cabin cabin 210, one end of inside cabin cabin 210 is provided with inside cabin gas
Inflow entrance 220, the other end are provided with inside cabin air stream outlet 230.Step 1 includes:
Step 11: pretreated material for air purification being placed into inside cabin, preprocess method is as hereinbefore.
Step 12: inside cabin being placed into outer cabin, as shown in figure 4, and making inside cabin air flow inlet and the first outer cabin air-flow
Entrance is opposite, and inside cabin air stream outlet is opposite with the first outer cabin air stream outlet.
Inside cabin can guarantee sufficient air inflow in the present invention, and come into full contact with and react with material for air purification.
Preferably, inside cabin cabin 210 successively includes intake section 211, purification portion 212 and outlet portion along air current flow direction
213, inside cabin air flow inlet 220 is arranged on intake section 211, and inside cabin air stream outlet 230 is arranged in outlet portion 213；Intake section
211 be taper type, preferably tetragonous cone table or the frustum of a cone, and purification portion 212 is cylindricality, preferably quadrangular, facilitates placement air
Scavenging material, outlet portion 213 are taper, preferably rectangular pyramid or circular cone.When intake section is the frustum of a cone, purification portion be quadrangular,
When outlet portion is circular cone, the junction of intake section, purification portion and outlet portion is provided with transition face.In order to stablize and homogenize pollution
Gas air-flow, intake section 211 are provided at least one of air-flow grid 260.
Partial air scavenging material needs photocatalysis, in order to be applicable in photocatalysis air-cleaning material, China and foreign countries cabin (tool of the present invention
Body be outer cabin cabin 110) at the top of be provided with light source 190, can according to test object select use fluorescent lamp, ultraviolet source, xenon
The light sources such as lamp, inside cabin 200 further includes telescopic inside cabin bracket 240, specifically, inside cabin bracket 240 is connected to inside cabin cabin 210
Lower section, for adjusting inside cabin height, intensity of illumination needed for reaching experiment is set above inside cabin (specially purification portion 212)
It is equipped with quartz window 250, for penetrating ultraviolet or visible light ray, step 1 further include:
Step 13: adjusting inside cabin bracket, so that inside cabin and light source reach suitable distance, which makes air cleaning material
Intensity of illumination at material reaches test requirements document；
Step 14: opening light source.
The present invention can test material for air purification to the purifying property of pollutants in air under different light-source systems.If making
With the outer cabin cabin of glass material, and light source is ultraviolet source, need to be covered outer cabin cabin with black-out cloth.
It, can be in the first outer cabin air flow inlet in order to generate a variety of types, concentration and the contamination gas of humidity in the present invention
120 are connected with standard solid air feed system 500, clean air devices 600, if necessary to adjust humidity, can also wrap
Include humidifier 700；It is additionally provided with the second outer cabin air flow inlet 140 on the side wall of outer cabin cabin 110 and the second outer cabin air-flow goes out
Mouth 150, the second outer cabin air flow inlet 140 and the second outer cabin air stream outlet 150 are led to by being located at the air-flow outside outer cabin cabin 110
Road 160 connects, and is provided with fluid contaminants injection room 161 on airflow channel 160.Airflow channel can be stainless steel, polytetrafluoroethyl-ne
The materials such as alkene pipe or silica gel hose.Further include step 1 before step 2 ' or step 1 ", in which:
Step 1 ' it include: the flow that adjustment criteria pollutes air feed system and clean air devices, so that standard is dirty
Dye gas and pure air are mixed into contamination gas, and the concentration of contamination gas is Cin.Standard solid air feed system is by formaldehyde, acetaldehyde, benzene
It is object, NOX、SO2It is exported etc. various gaseous pollutants, clean air devices (adjust pure air output wet if necessary
Degree, into humidifier), it is mixed with gaseous pollutant, obtains the contamination gas of certain concentration.
Step 1 " includes: the flow of adjustment criteria pollution air feed system, is injected into centainly to fluid contaminants injection room
The fluid contaminants of amount, so that standard solid gas and fluid contaminants are mixed into contamination gas, the concentration of contamination gas is Cin.Liquid is dirty
Fluid contaminants are injected into airflow channel by dye object injection room, and enter outer cabin cabin, and clean air devices will be clean empty
Gas output (if necessary to adjust humidity, into humidifier), into outer cabin cabin, mixes with fluid contaminants, obtains specific
The contamination gas of concentration.
It is flowed to control gas in outer cabin, while avoiding pollution gas in the deposition of outer cabin cabin bottom, outer cabin cabin 110
It is inside provided with fan 170, the side wall of outer cabin cabin 110 and/or the inner surface of bottom wall is arranged in fan 170.On airflow channel 160
It is provided with gas vacuum 162, gas vacuum is used for the gas flow optimized of outer cabin cabin dynamic inner cyclic process.
After step 2, before step 3 further include:
Step 21: close the first outer cabin air flow inlet and the first outer cabin air stream outlet, the second outer cabin air flow inlet of opening with
Second outer cabin air stream outlet opens gas vacuum, so that contamination gas recycles in outer cabin.
Step 22: after a period of time, opening the first outer cabin air flow inlet and the first outer cabin air stream outlet, close the second outer cabin
Air flow inlet and the second outer cabin air stream outlet close gas vacuum.
In order to preferably control the flow velocity of contamination gas, and the concentration of more accurate setting contamination gas, the confession of standard solid gas
To the first mass flow controller being provided between device 500 and the first outer cabin air flow inlet 120 for controlling gas flow
510 with the first gas valve 520 for being connected to or closing pipeline, clean air devices 600 and the first outer cabin air flow inlet
The second mass flow controller 610 and second gas valve 620, clean air devices 600 and humidification dress are provided between 120
It sets and is provided with third gas valve 710 between 700.
In the present invention, outer cabin cabin be can have a variety of structures, it is preferred that outer cabin cabin 110 is the shell of top end opening, shell
Shape is preferably cylindrical, and opening is provided with outer cabin hatchcover 180, is provided between outer cabin cabin 110 and outer cabin hatchcover 180
Sealing material, sealing material are silicone rubber gasket, metal aluminium backing etc..
In order to which the equipment after testing keeps cleaning, measuring method further include:
Step 5: pure air being passed through by the first outer cabin air flow inlet, until measuring dirt in the first outer cabin air flow outlet
It contaminates gas concentration and air is close.
It is improved as another kind of the invention, measurement device further includes accelerated test pipe 300, as shown in figure 3, accelerated test
Pipe 300 includes developmental tube tube body 310, is used to fill material for air purification 400, developmental tube tube body 310 inside developmental tube tube body 310
One end be provided with developmental tube air flow inlet 320, the other end is provided with developmental tube air stream outlet 330.Preferably, accelerated test pipe
300 further include gas-guide tube 340, and gas-guide tube 340 is connected to the both ends of developmental tube tube body 310, for air guide tube in facilitating connection first
Outer cabin air flow inlet and the first outer cabin air stream outlet.Accelerated test pipe further includes porous fixed material 350 and mineral wool 360, sheet
In invention, purification persistence testing time longer material for air purification is measured using accelerated test pipe, contamination gas can be passed through
The time for penetrating accelerated test pipe calculates material for air purification to the purification persistence P ' of contamination gas, wherein calculation method are as follows:
Step 1 includes:
Step 11 ': porous fixed material, mineral wool, the sky for being ground into certain partial size are successively filled in accelerated test pipe
Gas scavenging material, mineral wool and porous fixed material.Porous fixed material can be the porous article of the materials such as ceramics or metal,
For fixing the loading position of material for air purification；Mineral wool is for stablizing and homogenizing contamination gas air-flow.
Step 12 ': accelerated test pipe is placed into outer cabin, and accelerated test pipe is made to pass through gas-guide tube and the first outer cabin
Air flow inlet and the first outer cabin air stream outlet connection, as shown in Figure 5.
Step 3 further include: record contamination gas penetrates the time t of accelerated test pipeb。tbAccelerated test pipe is penetrated for contamination gas
Time, i.e., detect the time of contamination gas in the first outer cabin air stream outlet for the first time.
Step 4 further include: calculate material for air purification to the purification persistence P ' of contamination gas:
Wherein, m is the quality of material for air purification.
The present invention penetrates the time t of accelerated test pipe by contamination gasbPurification persistence is characterized, it can more comprehensively and accurately
Reflection material for air purification purifying property.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art
For, without departing from the principles of the present invention, it can also make several improvements and retouch, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (8)
1. a kind of material for air purification purifying property measuring method, the method is for material for air purification purifying property measurement dress
It sets, which is characterized in that the measurement device includes outer cabin, and the first outer cabin air flow inlet and the first outer cabin are offered on the outer cabin
Air stream outlet, which comprises
Step 1: material for air purification is placed into the measurement device；
Step 2: being passed through contamination gas from the described first outer cabin air flow inlet, the concentration of the contamination gas is Cin；
Step 3: in the concentration C of the described first outer cabin air flow outlet the real time measure contamination gasout, and record minute t；
Step 4: material for air purification is calculated in t moment to the purification efficiency η of contamination gas:
The measurement device further includes inside cabin, and the inside cabin includes inside cabin cabin, and one end of the inside cabin cabin is provided with inside cabin
Air flow inlet, the other end are provided with inside cabin air stream outlet, and the inside cabin cabin along air current flow direction successively includes intake section, net
Change portion and outlet portion, the inside cabin air flow inlet are arranged on the intake section, the inside cabin air stream outlet setting it is described go out
In gas portion；The intake section is taper type, and the purification portion is cylindricality, and the outlet portion is taper, and the step 1 includes:
Step 11: the material for air purification is placed into the purification portion；
Step 12: the inside cabin being placed into the outer cabin, and makes the inside cabin air flow inlet and the described first outer cabin gas
Inflow entrance is opposite, and the inside cabin air stream outlet is opposite with the described first outer cabin air stream outlet.
2. material for air purification purifying property measuring method according to claim 1, it is characterised in that:
The step 1 further include: record material for air purification has the surface area A of purification function；
The step 2 further include: record the flow velocity f of contamination gas；
The step 4 further include: calculate material for air purification in t moment to the purification capacity F and material for air purification of contamination gas
To the purification persistence P of contamination gas, in which:
P=∑i(Fi×Δti), Δ ti=ti-ti-1
FiFor tiPurification capacity of the moment material for air purification to contamination gas.
3. material for air purification purifying property measuring method according to claim 2, which is characterized in that the top in the outer cabin
Portion is provided with light source, and the inside cabin includes telescopic inside cabin bracket, and quartz window, the step 1 are provided in the inside cabin
Further include:
Step 13: adjusting inside cabin bracket, so that inside cabin and light source reach suitable distance, which makes at material for air purification
Intensity of illumination reach test requirements document；
Step 14: opening the light source.
4. material for air purification purifying property measuring method according to claim 1, which is characterized in that the first outer cabin
Air flow inlet is connected with standard solid air feed system and clean air devices；The second outer cabin is also provided on the outer cabin
Air flow inlet and the second outer cabin air stream outlet, the second outer cabin air flow inlet and the second outer cabin air stream outlet pass through airflow channel
It connects, is provided with fluid contaminants injection room on the airflow channel；Further include step 1 before the step 2 ' or step 1 ",
Wherein:
The step 1 ' it include: the flow for adjusting the standard solid air feed system and clean air devices, so that mark
Quasi- contamination gas and pure air are mixed into contamination gas, and the concentration of the contamination gas is Cin；
The step 1 " includes: the flow for adjusting the standard solid air feed system, is injected into fluid contaminants injection room
A certain amount of fluid contaminants, so that standard solid gas and fluid contaminants are mixed into contamination gas, the concentration of the contamination gas is
Cin。
5. material for air purification purifying property measuring method according to claim 4, which is characterized in that the airflow channel
On be provided with gas vacuum, after the step 2, before step 3 further include:
Step 21: closing the first outer cabin air flow inlet and the first outer cabin air stream outlet, open the second outer cabin air flow inlet and second
Outer cabin air stream outlet opens gas vacuum, so that contamination gas recycles in outer cabin；
Step 22: after a period of time, opening the first outer cabin air flow inlet and the first outer cabin air stream outlet, close the second outer cabin air-flow
Entrance and the second outer cabin air stream outlet close gas vacuum.
6. -5 any material for air purification purifying property measuring method according to claim 1, which is characterized in that the side
Method further include:
Step 5: pure air being passed through by the first outer cabin air flow inlet, until measuring contamination gas in the first outer cabin air flow outlet
Concentration and air are close.
7. material for air purification purifying property measuring method according to claim 1, which is characterized in that the measurement device
It further include accelerated test pipe, the step 1 includes:
Step 11 ': successively filled in accelerated test pipe porous fixed material, mineral wool, be ground into certain partial size air it is net
Change material, mineral wool and porous fixed material；
Step 12 ': the accelerated test pipe is placed into the outer cabin, and makes accelerated test pipe and the described first outer cabin gas
Inflow entrance and the first outer cabin air stream outlet connection.
8. material for air purification purifying property measuring method according to claim 7, which is characterized in that the step 3 is also
It include: the time t for recording contamination gas and penetrating accelerated test pipeb；
The step 4 further include: calculate material for air purification to the purification persistence P ' of contamination gas:
Wherein, m is the quality of material for air purification.
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| CN107505247A (en) * | 2017-09-19 | 2017-12-22 | 湖州宸唯环保科技有限公司 | A kind of test device of air purification filter material |
| CN111122406A (en) * | 2018-10-31 | 2020-05-08 | 北新集团建材股份有限公司 | Mineral wool board performance detection device and detection method |
| CN115598037B (en) * | 2022-11-22 | 2023-03-17 | 武汉大学 | Experimental device and characterization method for dynamic adsorption characteristics of harmful decomposition products of insulating gas |
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