CN208568535U - A kind of multichannel gaseous pollutant purification Performance Test System of filtrate - Google Patents
A kind of multichannel gaseous pollutant purification Performance Test System of filtrate Download PDFInfo
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- CN208568535U CN208568535U CN201820867389.3U CN201820867389U CN208568535U CN 208568535 U CN208568535 U CN 208568535U CN 201820867389 U CN201820867389 U CN 201820867389U CN 208568535 U CN208568535 U CN 208568535U
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Abstract
The utility model discloses a kind of Performance Test System of multichannel gaseous pollutant purification filtrate, including air compressor, air compressor is successively connected with particulate air filter and activated carbon adsorption filter by hollow pipeline；The output end of activated carbon adsorption filter is connected with the first mass flowmenter and the second mass flowmenter respectively；The output end of first mass flowmenter is connected with a humidification bottle；The output end of second mass flowmenter is connected with first pollution object generating bottle and the second pollutant generating bottle respectively；The output end of the output end and humidification bottle of first pollution object generating bottle and the second pollutant generating bottle is connected with the input terminal of a upstream air blending tank respectively；The output end of upstream air blending tank is connected with multiple media performance test cells respectively.The utility model can the performance effectively to gaseous pollutant purification filtrate reliably tested, and then ensure indoor air quality and the health of people.
Description
Technical field
The utility model relates to filtrate the field of test technology, purify more particularly to a kind of multichannel gaseous pollutant with filter
The Performance Test System of material.
Background technique
Currently, indoor air quality directly affects the health and comfort impression of people.The quality of room air, mainly takes
Certainly in the content of indoor pollutant.
Indoor pollutant can be divided into particulate pollutant, gaseous pollutant and bioaerosol pollutant.For interior decoration
Finishing, especially newly-decorated room, gaseous pollutant are particularly acute.Material used by indoor decorating includes wood-based plate
The materials such as material and product, wallpaper, interior wall coating, carpet, these materials can all release in finishing, use process largely to be had
Evil gas, mainly gaseous volatile organic matter (Volatile Organic Compounds, abbreviation VOCs), including
Benzene, toluene and formaldehyde.
Gaseous volatile organic matter VOCs has serious negative effect to human health, has for gaseous state volatile
The processing of machine object VOCs has become a current urgent environmental issue.
Currently, existing some air cleaning units make since used gaseous pollutant purification filtrate is unqualified
Indoor pollutant cannot not only be purified by obtaining air cleaning unit, or even can generate pollutant new, that toxicity is bigger.
But there is presently no a kind of technology, can the performance effectively to gaseous pollutant purification filtrate carry out
Reliable test, it is accurate to grasp gaseous pollutant purification and use the performance of filtrate, and then ensure indoor air quality and people
Health.
Utility model content
In view of this, the purpose of the utility model is to provide a kind of surveys of the performance of multichannel gaseous pollutant purification filtrate
Test system, can the performance effectively to gaseous pollutant purification filtrate reliably tested, accurately grasp gaseous contamination
The performance of filtrate is used in object purification, and then ensures indoor air quality and the health of people, is conducive to widely produce
Using being of great practical significance.
For this purpose, the utility model provides a kind of Performance Test System of multichannel gaseous pollutant purification filtrate, packet
Include air compressor, the air compressor by hollow pipeline successively with particulate air filter and activated carbon adsorption
Filter is connected；
The output end of the activated carbon adsorption filter is connected with the first mass flowmenter and the second mass flowmenter respectively
It is logical；
The output end of first mass flowmenter is connected with a humidification bottle；
The output end of second mass flowmenter respectively with 9 phase of first pollution object generating bottle and the second pollutant generating bottle
Connection；
The output end difference of the output end and humidification bottle of the first pollution object generating bottle and the second pollutant generating bottle
It is connected with the input terminal of a upstream air blending tank；
The output end of the upstream air blending tank is connected with multiple media performance test cells respectively.
Wherein, the connecting line between the air compressor and particulate air filter is silica dehydrator pipe.
Wherein, first switch regulating valve V1 is provided in the silica dehydrator pipe.
Wherein, it states and is provided on the connecting line between the output end of activated carbon adsorption filter and the first mass flowmenter
First pressure regulating valve；
It is provided on the output end of the activated carbon adsorption filter and the connecting line between the second mass flowmenter
Second pressure regulating valve.
Wherein, the output end of first mass flowmenter respectively with third regulating switch valve V3 and second switch regulating valve
V2 is connected；
The third regulating switch valve V3 is solenoid valve, and the first output end having is connected with the first humiture transducer
It connects；
First humiture transducer is located at the upper end of the upstream air blending tank 13；
The second output terminal of the third regulating switch valve V3 is connected by heat exchanger with upstream air blending tank；
The second switch regulating valve V2 is connected with the 4th regulating switch valve V4 and the 5th regulating switch valve V5 respectively；
4th regulating switch valve V4 is connected with heat exchanger；
The 5th regulating switch valve V5 is connected with one end of a first hollow pipeline, first pipeline it is another
End is inserted into below the solution face prestored in humidification bottle；
The output end of the humidification bottle is connected by the heat exchanger with upstream air blending tank.
Wherein, the output end of second mass flowmenter respectively with the 8th regulating switch valve V8, the 7th regulating switch valve
V7 and the 6th regulating switch valve V6 are connected；
8th regulating switch valve V8 is connected with one end of the second hollow pipeline, and the other end of second pipeline is inserted into
In second pollutant generating bottle；
The output end of second pollutant generating bottle passes through the input terminal of the tenth regulating switch valve V10 and upstream air blending tank
It is connected；
7th regulating switch valve V7 is connected with one end of hollow third pipeline, and the other end of the third pipeline is inserted into
Below the liquid level of solution prestored in first pollution object generating bottle；
The output end of first pollution object generating bottle passes through the input terminal of the 9th regulating switch valve V9 and upstream air blending tank
It is connected；
6th regulating switch valve V6 is connected with one end of the 4th hollow pipeline, and the other end of the 4th pipeline is inserted into
In upper air in first pollution object generating bottle.
Wherein, each media performance test cell includes filtrate fixture and third mass flowmenter；
The filtrate fixture is connected by third mass flowmenter with the output end of upstream air blending tank.
Wherein, each media performance test cell further includes solenoid electric valve；
The filtrate fixture is connected by solenoid electric valve with the input terminal of a sample port；
The output end of the sample port is connected with the 11st regulating switch valve V11；
11st regulating switch valve V11 is connected with the input terminal of data acquisition equipment；
11st regulating switch valve V11 is also connected with electromagnetic purification valve V12；
Electromagnetic purification valve V12 is connected with exhaust passage, which is connected with outside atmosphere.
Wherein, each filtrate fixture includes hollow filtrate cabin, the upper and lower ends in the filtrate cabin respectively with the first upstream
Separator tube and the first downstream separator tube are connected；
The top of first upstream separator tube is threadedly coupled with the first upper cover；
The bottom of first downstream separator tube is threadedly coupled with the first lower cover；
The lower part in the filtrate cabin is fixedly installed a strainer；
The filtrate in need being tested for the property is placed above in the strainer；
The first gasket is provided between filtrate cabin upper end inner sidewall and the lateral wall of the first upstream separator tube.
Wherein, each filtrate fixture includes the second upstream separator tube and the second downstream separator tube, outbound buffer on described second
Pipe is located at the surface of second downstream separator tube；
Position between second upstream separator tube and the second downstream separator tube is provided with filtrate interlayer；
The top of second upstream separator tube is threadedly coupled with the second upper cover；
The bottom of second downstream separator tube is threadedly coupled with the second lower cover；
The filtrate interlayer includes two layers of filter paper, and the filtrate in need being tested for the property is placed between the filter paper；
The second gasket is provided between the top of the filtrate interlayer and the second upstream separator tube bottom surface.
By the above technical solution provided by the utility model as it can be seen that compared with prior art, the utility model provides
A kind of multichannel gaseous pollutant purification Performance Test System of filtrate can effectively purify with filter gaseous pollutant
The performance of material is reliably tested, the accurate performance grasped gaseous pollutant purification and use filtrate, and then the indoor air product of guarantee
Matter and the health of people, are conducive to widely production application, are of great practical significance.
Detailed description of the invention
Fig. 1 is a kind of knot of the Performance Test System of multichannel gaseous pollutant purification filtrate provided by the utility model
Structure schematic diagram；
Fig. 2 is the Performance Test System medium temperature that filtrate is used in a kind of multichannel gaseous pollutant purification provided by the utility model
Spend the attachment structure schematic diagram between control unit and circumferential component；
Fig. 3 is dirty in a kind of Performance Test System of multichannel gaseous pollutant purification filtrate provided by the utility model
Contaminate the attachment structure schematic diagram between object generation unit and circumferential component；
Fig. 4 is to filter in a kind of Performance Test System of multichannel gaseous pollutant purification filtrate provided by the utility model
The structural schematic diagram of the tight embodiment one of feed collet；
Fig. 5 is to filter in a kind of Performance Test System of multichannel gaseous pollutant purification filtrate provided by the utility model
The structural schematic diagram of the tight embodiment two of feed collet；
In figure, 1 is air compressor, and 2 be particulate air filter, and 3 be activated carbon adsorption filter, and 4 be the second pressure
Force regulating valve, 5 be first pressure regulating valve, and 6 be the second mass flowmenter, and 7 be the first mass flowmenter, and 8 be first pollution object
Generating bottle, 9 be the second pollutant generating bottle, and 10 be humidification bottle；
11 be heat exchanger, and 12 be the first humiture transducer, and 13 be upstream air blending tank, and 14 be sample port, 15
For the second humiture transducer；
16 be data acquisition equipment, and 17 be the first upstream separator tube, and 18 be filtrate cabin, and 19 be the first downstream separator tube, 20
It is the first lower cover for the first upper cover, 21,22 be first through hole, and 23 be filtrate, and 24 be strainer, and 25 be the first gasket；
26 be the second upstream separator tube, and 27 be the second downstream separator tube, and 28 be the second upper cover, and 29 be the second lower cover, and 30 are
Second through-hole, 31 be filter paper interlayer, and 32 be the second gasket；
34 be filtrate fixture, and 33 be third mass flowmenter, and 35 be solenoid electric valve, and V12 is electromagnetic purification valve.
Specific embodiment
In order to make those skilled in the art better understand the scheme of the utility model, with reference to the accompanying drawing and embodiment
The utility model is described in further detail.
Referring to Fig. 1 to Fig. 5, the utility model provides a kind of performance test of multichannel gaseous pollutant purification filtrate
System, including air compressor 1, the air compressor 1 by hollow pipeline successively with particulate air filter 2 and living
Property charcoal adsorption filter 3 is connected；
The particulate air filter 2 is for adsorbing the liquid and solid particulate matter that are passed through in air；
The output end of the activated carbon adsorption filter 3 respectively with 6 phase of the first mass flowmenter 7 and the second mass flowmenter
Connection (is realized) especially by two hollow pipelines；
The activated carbon adsorption filter 3 is that active carbon is loaded in adsorption tube, for adsorbing the impurity for being passed through gas；
The output end of first mass flowmenter 7 is connected with a humidification bottle 10；
The output end of second mass flowmenter 6 respectively with first pollution object generating bottle 8 and the second pollutant generating bottle 9
It is connected and (is realized especially by hollow pipeline)；
First mass flowmenter 7 and the second mass flowmenter 6, be respectively range be 0.6~6L/min and 0.4~
4m3The suspended body flowmeter of/h, wherein first mass flowmenter 7, which is used to control, to be humidified bottle 10 and be passed through gas flow；And the second matter
What amount flowmeter 6 was used to control first pollution object generating bottle 8 and the second pollutant generating bottle 9 is passed through gas flow；
The output end of the output end and humidification bottle 10 of the first pollution object generating bottle 8 and the second pollutant generating bottle 9
It is connected respectively with the input terminal of a upstream air blending tank 13 and (is realized especially by hollow pipeline)；
The first pollution object generating bottle 8, is the Bubbling method for formaldehyde gas to occur, principle be formaldehyde is prestored it is molten
Liquid is put in generating bottle, and air inlet pipe gos deep into liquid level hereinafter, escape pipe is higher than liquid level for the effect of liquid bubbling.This prestores solution packet
Include formaldehyde solute and aqueous solvent, wherein the mass fraction ratio between the formaldehyde solute and aqueous solvent are as follows: (37%~40%):
(60~63%).
The second pollutant generating bottle 9, is arranged inside osmos tube or diffuser, the osmos tube or diffusion can be it is poly-
Tetrafluoroethene pipe, pipe be provided with formaldehyde liquid or preset solid contaminant (such as dust, dust class solid pollutant, specifically
Such as dust, flue dust, pollen).The osmos tube or diffuser can also be to external osmosis pollution object gases, can also be using Japan
The production of GASTEC company or homemade diffuser.Wherein, it is molten that the formaldehyde liquid that the pipe is provided with can specifically include formaldehyde
Matter and aqueous solvent, wherein the mass fraction ratio between the formaldehyde solute and aqueous solvent are as follows: (37%~40%): (60~
63%).
The humidification bottle 10, principle be by be previously charged into bottle 2/3 water, then utilize Bubbling method, the gas that will be passed through
Body humidification is to relative humidity needed for experiment, then carries out mixing with contaminant gases and be passed through upstream gas blending tank 13.
The output end of the upstream air blending tank 13 is connected with multiple media performance test cells respectively, i.e., multiple filters
Expect that performance test unit forms multichannel media performance test cell.
The upstream air blending tank 13 is will to come out from first pollution object generating bottle 8 and the second pollutant generating bottle 9
The gas that gas and humidification bottle 10 come out is mixed, and condition needed for reaching experiment carries out the purification experiment of filtrate again.
In the present invention, in specific implementation, by the first pollution object generating bottle 8 and the second pollutant generating bottle 9
It forms pollutant and generates unit.
In the present invention, the company in specific implementation, between the air compressor 1 and particulate air filter 2
Lu Weiyi sections of silica dehydrator pipes of adapter tube.
In specific implementation, first switch regulating valve V1 is provided in the silica dehydrator pipe.
In the present invention, in specific implementation, the output end and the first mass flow of the activated carbon adsorption filter 3
First pressure regulating valve 5 is provided on connecting line between meter 7；
It is arranged on the output end of the activated carbon adsorption filter 3 and connecting line between the second mass flowmenter 6
There is second pressure regulating valve 4.
It should be noted that the range of first pressure regulating valve 5 is 0.034Mpa~0.069Mpa, and second pressure is adjusted
The range of valve 4 is 0.103Mpa~0.138Mpa.
In the present invention, it should be noted that the air intlet of the air compressor 1 and outside atmosphere phase
Connection.
In the present invention, shown in Figure 2, the output end of first mass flowmenter 7 is switched with third respectively
Regulating valve V3 is connected with second switch regulating valve V2；
The third regulating switch valve V3 is solenoid valve, the first output end having and 13 phase of the first humiture transducer
Connection；
First humiture transducer 11 is located at the upper end of the upstream air blending tank 13；
The second output terminal of the third regulating switch valve V3 is connected by heat exchanger 11 with upstream air blending tank 13
It is logical；
The second switch regulating valve V2 is connected with the 4th regulating switch valve V4 and the 5th regulating switch valve V5 respectively；
4th regulating switch valve V4 is connected with heat exchanger 11；
The 5th regulating switch valve V5 is connected with one end of a first hollow pipeline, first pipeline it is another
End is inserted into below the liquid level of solution prestored in humidification bottle 10；
The output end of the humidification bottle 10 is connected by the heat exchanger 11 with upstream air blending tank 13.
In specific implementation, the heat exchanger 11 specifically can be using Lu Bensi steel for carrying out gas heat exchange
Mini-type heat exchanger.
It should be noted that is prestored in the humidification bottle 10 is the aqueous solution of humidification in specific implementation.
It should be noted that in the present invention, third regulating switch valve V3 and heat exchanger 11 are by the first temperature and humidity
Transmitter 12 is tested for the property required temperature and humidity when experiment to monitor in real time.
In specific implementation, first humiture transducer 12 is connected with a PID regulator, by PID regulator,
Come the temperature and humidity data that the first humiture transducer 13 received positioned at 13 upper end of upstream air blending tank is sent, so
The adjusting control of temperature and humidity was carried out later.
In specific implementation, first humiture transducer 12 can use Switzerland Luo Zhuonike (Rotronic) company
The high-precision humiture transducer of H-5 series of production, the temperature value that can be measured is within the scope of -100 DEG C~200 DEG C and humidity
For value in the range of 0%~100%, the accuracy of monitoring is in ± 0.1 DEG C and ± 0.8% relative humidity RH.
It should be noted that, in order to realize humid control, passing through second switch regulating valve first for the utility model
V2 comes so that the air resistance that the 4th regulating switch valve V4 and humidification this two-way of bottle 10 generate is greater than third regulating switch valve V3 and opens
The resistance when beginning can bypass most air-flow and not pass through humidification bottle 10 when third regulating switch valve V3 is opened, so as to
To generate quick, apparent dehumidification effect；
Then, it further according to the flow of air-flow and required humidity value, manually adjusts the 4th regulating switch valve V4 and the 5th and opens
Regulating valve V5 is closed, to distribute gases into the air-flow on mono- tunnel the 4th regulating switch valve V4 and the flow of humidification 11 1 road air-flow of bottle
Ratio, when guaranteeing that third regulating switch valve V3 is closed, by the air-flow of two other access, the water taken away within the unit time steams
Gas is equal to or more than entire pipeline and generates steam vapour amount required for a certain humidity.
The utility model can be mixed by PID regulator according to upstream air when humidity deviates defined numerical value
The numerical value change of first humiture transducer 12 of 13 upper end of tank, to control opening or closing for third regulating switch valve V3.
Therefore, the utility model is controlled by manually adjusting the 4th regulating switch valve V4 and the 5th regulating switch valve V5
The two-way gas flow ratio for directly passing through and passing through from top humidification bottle 10, to control humidity；And it is switched by third
The opening and closing of regulating valve V3, to control air-flow by third regulating switch valve V3 and humidify the pipeline all the way in bottle 10, from
And reaching the humidity for controlling entire gas circuit fluctuation up and down in the range of specified value, the two is combined, is enabled to humidity
It controls more accurate and stablizes.
In the present invention, shown in Figure 3, in order to control the generation of pollutant, second mass flowmenter 7
Output end is connected with the 8th regulating switch valve V8, the 7th regulating switch valve V7 and the 6th regulating switch valve V6 respectively；
8th regulating switch valve V8 is connected with one end of the second hollow pipeline, and the other end of second pipeline is inserted into
In second pollutant generating bottle 9；
The output end of second pollutant generating bottle 9 is defeated by the tenth regulating switch valve V10 and upstream air blending tank 13
Enter end to be connected；
7th regulating switch valve V7 is connected with one end of hollow third pipeline, and the other end of the third pipeline is inserted into
Below the liquid level of solution prestored in first pollution object generating bottle 8.
The output end of first pollution object generating bottle 8 passes through the input of the 9th regulating switch valve V9 and upstream air blending tank 13
End is connected.
6th regulating switch valve V6 is connected with one end of the 4th hollow pipeline, and the other end of the 4th pipeline is inserted into
In upper air in first pollution object generating bottle 8.
It should be noted that the solution that prestores in the first pollution object generating bottle 8 includes formaldehyde solute in specific implementation
And aqueous solvent, wherein the mass fraction ratio between the formaldehyde solute and aqueous solvent are as follows: (37%~40%): (60~
63%).
For the utility model, it should be noted that by the first pollution object generating bottle 8 and the second pollutant generating bottle
The pollutant of 9 compositions generates unit, and the operating condition that pollutant concentration as needed is high or flow is big is occurred using first pollution object
Bottle 8 (utilizing Bubbling method) need to open the 7th regulating switch valve V7 and the 9th regulating switch valve V9, close the 6th regulating switch valve
V6, the 8th regulating switch valve V8 and the tenth regulating switch valve V10.When using first pollution object generating bottle 8, the hair based on Bubbling method
Raw principle, need to open the 6th regulating switch valve V6 and the 9th regulating switch valve V9, close the 7th regulating switch valve V7, the 8th switch
Regulating valve V8 and the tenth regulating switch valve V10.The operating condition that pollutant concentration is low or flow is small is being needed, the second pollutant is used
Generating bottle 9 (utilize permeation tube method) at this time need to open the 8th regulating switch valve V8 and the tenth regulating switch valve V10, close the
Six regulating switch valve V6, the 7th regulating switch valve V7 and the 9th regulating switch valve V9.
In order to which the utility model is more clearly understood, the occurring principle of Bubbling method is illustrated below.
The principle of " Bubbling method " specifically: when the gas with certain temperature and pressure is passed through formalin, due to first
Aldehyde has the concentration difference of volatility and gas and solution interface, and the formaldehyde molecule in solution can enter gas from liquid, make
Become the mixed gas with certain concentration of formaldehyde by the gas of solution, since the gas with certain pressure is passed through liquid,
A series of bubble can be formed in liquid solution, therefore, referred to as " Bubbling method ".In 15~101 degree of temperature range, it is passed through formaldehyde
The gas temperature of solution is higher, and formaldehyde molecule is easier to enter in gas in corresponding liquid, therefore increases the concentration of gas, then
Can produce high concentration formaldehyde gas (concentration range be 1~10mg/m3)。
It should be noted that the principle of " permeation tube method or diffusion denuder method " specifically: permeation tube method or diffusion denuder method are handles
Pure organic matter liquid can be generated at a certain temperature under the pure solid effect of distillation, by polytetrafluoroethylene (PTFE) permeable membrane to
External diffusion.To infiltration capacity of the specific osmos tube when temperature is constant in the unit time and to obey Fick Fick gas diffusion fixed
Rule, therefore, referred to as " permeation tube method or diffusion method ".50 ± 0.1 degree at a temperature of, manage in organic liquid or pure solid certain
At a temperature of carry out under the action of saturated vapour pressure, by existing dynamic gas prover, osmos tube generation can be measured
(concentration range is 0.074~1.42mg/m to the formaldehyde gas of low concentration3)。
In the present invention, shown in Figure 1, each media performance test cell includes filtrate fixture 34, third matter
Measure flowmeter 33 and solenoid electric valve 35；
The filtrate fixture 34 is connected by third mass flowmenter 33 with the output end of upstream air blending tank 13, institute
State filtrate fixture 34 be hollow sealing cavity, rear and front end opening respectively with third mass flowmenter 33 and solenoid electric valve 35
It is connected, for placing the filtrate for needing to be tested for the property；
The filtrate fixture 34 is connected by solenoid electric valve 35 with the input terminal of a sample port 14；
The output end of the sample port 14 is connected with the 11st regulating switch valve V11；
11st regulating switch valve V11 is connected with the input terminal of data acquisition equipment 16；
11st regulating switch valve V11 is also connected with electromagnetic purification valve V12；
Electromagnetic purification valve V12 is connected with exhaust passage, which is connected with outside atmosphere.
In the present invention, in specific implementation, the second humiture transducer 15 is provided in the sample port 14.
In specific implementation, the sample port 14 can be had using the multiport of Hong Kong innovation tech Co., Ltd production
Machine gas detecting instrument (specifically can be using RAE Guard2 second generation photoionization detector PID), monitoring pollution object concentration
Range is in 0~1000ppm, resolution ratio 0.01ppm.
Second humiture transducer 15 can use same Switzerland, producer Luo Zhuo with the first humiture transducer 12
The H-5 series high-accuracy temperature-humidity transmitter of Ni Ke (Rotronic) company production, can measure temperature value -100 DEG C~200
Within the scope of DEG C and humidity value is 0%~100%, and the accuracy of monitoring is in ± 0.1 DEG C and ± 0.8% relative humidity RH.
The data collector 16, can be using the MAX100 model data collector of Japanese Yokogawa company production, can be with
It is connect with computer, data is transferred on computer, carry out data record and acquisition on computers.
The electromagnetic purification valve V12, tool can use Mondeo PCV Purge Control Valve, be used for handle the useless of experiment generation
Gas.
It should be noted that specific test operation is by mass flowmenter and electricity for each media performance test cell
Magnet valve is controlled, and 15 every groups of sampling time interval 30S of sample port.
The output end of the sample port 14 connects the 11st regulating switch valve V11 control, and contaminant gases is made to pass through number
According to the input terminal of acquisition equipment 17 carry out concentration determination and media performance to when analyzing.After entire experiment, pass through
The output end of sample port 14 connects the 11st regulating valve V11 control, passes the gas through electromagnetic purification valve V12 discharge experimentation
In remaining polluted gas.At the end of performance test is tested, the output end connection the 12nd of the 11st regulating switch valve V11
Switch-mode regulation V12, remaining gas in experiment pipeline is discharged.
In conclusion for a kind of performance test of multichannel gaseous pollutant purification filtrate provided by the utility model
System, comprising: air compressor 1, particulate air filter 2 and the activated carbon adsorption filter 3 being sequentially connected by pipeline,
The input terminal of air compressor 1 connects air inlet pipeline, and the output end of activated carbon adsorption filter 3 passes through piping connection first respectively
Mass flowmenter 7 (larger range), to control humidification bottle 10, the output end of activated carbon adsorption filter 3 is another by piping connection
Second mass flowmenter 6 (small amount journey) all the way, to control first pollution object generating bottle 8 and the second pollutant generating bottle 9, first
All there are first pressure regulating valve 5 and the second pressure in the port of 6 the two flowmeters of mass flowmenter 7 and the second mass flowmenter respectively
Force regulating valve is controlled so that their two ranges be respectively 0.034Mpa~0.069Mpa and 0.103Mpa~
0.138Mpa；The output end of the humidification bottle 10, first pollution object generating bottle 8 and the second pollutant generating bottle 9 passes through pipe respectively
The input port of road connection upstream air blending tank 13；The heat exchanger 11 is arranged by the upper end of upstream air blending tank
The first humiture transducer 12 shown by numerical value carry out control experiment needed for temperature and humidity；
The output end of the upstream air blending tank 13 connects each media performance test cell, including third quality
Flowmeter 33, filtrate fixture 34 and solenoid electric valve 35；The filtrate fixture 34 passes through solenoid electric valve 35 and sample port 14
Output end be connected, the effect phase of the second humiture transducer 15 of 14 upper end of sample port with the first humiture transducer
Together, change numerical value for monitoring the temperature and humidity in downstream；The output end and the 11st regulating switch valve of the sample port 14
V11 is connected；The 11st regulating switch valve V11 is connected with the input terminal of 16 data acquisition equipments, and also and electromagnetic purification
Valve V12 is connected；The electromagnetic purification valve V12 is connected with exhaust passage, which is connected with outside atmosphere,
Complete whole process.
It should also be noted that, for multichannel media performance test macro provided by the utility model, in order to grasp certain
The purification filtering performance of middle filtrate first may be used for the mixed pollutants gas of the output end outflow of upstream air blending tank 13
To measure the by the TCH test channel (not having the media performance test cell for placing filtrate in filtrate fixture 34) without filtrate
Primary pollution concentration, then pass through the channel (the media performance test cell of filtrate is placed i.e. in filtrate fixture 34) containing filtrate
Second of pollutant concentration is measured, it is possible thereby to the purification efficiency (cleaning efficiency) of the media performance is calculated,
I.e. to the one-pass removal ability of air pollutants, specifically equal to filtrate channel first time pollutant concentration and second of dirt
The difference of object concentration is contaminated, then the ratio between with first time pollutant concentration.With GB/T34012-2017 national standard, " ventilating system is empty
Air purifying apparatus " for, for gaseous pollutant, purification efficiency can be divided into 3 grades, be respectively A (purification efficiency >
60%)), B (40 < purification efficiency≤60) and C (20 < purification efficiency≤40) evaluates the test result of media performance.
In the present invention, shown in Figure 4, each filtrate fixture 40 includes hollow filtrate cabin 19, the filtrate
The upper and lower ends in cabin 19 are connected with the first upstream separator tube 18 and the first downstream separator tube 20 respectively；
The top of first upstream separator tube 18 is threadedly coupled with the first upper cover 21；
The bottom of first downstream separator tube 20 is threadedly coupled with the first lower cover 22；
The lower part in the filtrate cabin 19 is fixedly installed a strainer 25 (specially stainless (steel) wire)；
The filtrate 24 in need being tested for the property is placed above in the strainer 25.
In specific implementation, it is provided between the 19 upper end inner sidewall of filtrate cabin and the lateral wall of the first upstream separator tube 18
First gasket 26.
In specific implementation, the center of first upper cover 21 and the first lower cover 22 has a first through hole
23, in order to which air-flow imports in filtrate fixture 40.
It should be noted that filtrate 24 is placed on strainer 25 in practical operation, can intermediate cushioning mineral wool it is anti-
Only filtrate slides, and the air-flow containing a certain concentration pollutant is flowed through from top to bottom, purified through filter material, flows through the first lower outbound buffer
Pipe 20 flows out fixture, completes entire filter process.
In the present invention, shown in Figure 5, each filtrate fixture 40 may include the second upstream separator tube 27 and
Two downstream separator tubes 28, second upstream separator tube 27 are located at the surface of second downstream separator tube 28；
Position between second upstream separator tube 27 and the second downstream separator tube 28 is provided with filtrate interlayer 32；
The top of second upstream separator tube 27 is threadedly coupled with the second upper cover 29；
The bottom of second downstream separator tube 28 is threadedly coupled with the second lower cover 30；
The filtrate interlayer 32 includes two layers of filter paper, places the filtrate in need being tested for the property between the filter paper.
It is close that second is provided in specific implementation, between 27 bottom surface of top and the second upstream separator tube of the filtrate interlayer 32
Packing 33.
In specific implementation, the center of second upper cover 27 and the second lower cover 28 has second through-hole
31, in order to which air-flow imports in filtrate fixture 40.
It should be noted that carrying out the performance test of filtrate by filtrate interlayer 32.Distinguish at the both ends of intermediate filter paper interlayer
It is sealed with gasket, filtrate is placed between two layers of filter paper, the air-flow containing certain density pollutant is from top to bottom
It flows through, is purified by the filter paper in filter paper interlayer 32, flow through the second downstream separator tube 28 outflow fixture, complete entire filtered
Journey.
In the present invention, it should be noted that especially by hollow pipe between the component that any two are connected
Road, which is realized, to be interconnected.
It should be noted that both can satisfy the filtrate of different size or the test clip of filter paper for the utility model
Tool, also can satisfy the performance test of various samples, U.S. heating Refrigeration & Air-Conditioning Association of Engineers (ASHRAE) may be implemented
International standard " ANSI/ASHRAE STANDRAD145.1-2008 " as defined in various operating conditions tested.It is with below
The utility model has the advantages that
1, the utility model is according under the control condition of different flow and different humidity, and humid control is relatively stable, especially
It is compared with traditional control method, humid control not only can test humidity by solenoid valve control by PID regulator, also
The precision of experiment condition can be not only ensure that, but also can have when PID adjusting by manually adjusting the ratio of gas circuit and water route flow
It uses and manually adjusts when error；
2, the utility model leads to according to pollutant solubility, diffusion concentration, osmotic concentration scheduling theory as the reference calculated
Concentration, the specifications and models of osmos tube or diffuser of control pollutant solution are crossed, test required various concentration to generate
Contaminant gases, can satisfy in each standard the working condition requirement of different pollutants, various concentration, and controlled concentration range compared with
Greatly, control precision is higher；
3, the fixture for the multichannel filtrate test that the utility model uses can arbitrarily switch, and simple for structure, conveniently tear open
It unloads, good airproof performance, so as to meet the test of various forms of media performances and performance of filter paper, when greatly saving experiment
Between, improve conventional efficient；
4, the utility model may be implemented by electromagnetic valve for adjusting during generating pollutant, by being not equipped with filtrate
Concentration is identical under each operating condition that test fixture, direct test contaminant concentration, and gas pass through each fixture；
5, the thief hatch of the utility model is equipped with the aperture of diversified forms, convenient for connect various forms of test equipments and
Sampling instrument can meet the requirement of off-line test and on-line instrument test simultaneously.
In conclusion compared with prior art, a kind of multichannel gaseous pollutant purification use provided by the utility model
The Performance Test System of filtrate, can the performance effectively to gaseous pollutant purification filtrate reliably tested, accurately
It grasps gaseous pollutant purification and uses the performance of filtrate, and then ensure indoor air quality and the health of people, favorably
In widely production application, it is of great practical significance.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these improve and
Retouching also should be regarded as the protection scope of the utility model.
Claims (10)
1. the Performance Test System that filtrate is used in a kind of multichannel gaseous pollutant purification, which is characterized in that including air compressor
(1), the air compressor (1) is successively filtered with particulate air filter (2) and activated carbon adsorption by hollow pipeline
Device (3) is connected；
The output end of the activated carbon adsorption filter (3) respectively with the first mass flowmenter (7) and the second mass flowmenter (6)
It is connected；
The output end of first mass flowmenter (7) is connected with a humidification bottle (10)；
The output end of second mass flowmenter (6) respectively with first pollution object generating bottle (8) and the second pollutant generating bottle
(9) it is connected；
The output of the output end and humidification bottle (10) of the first pollution object generating bottle (8) and the second pollutant generating bottle (9)
End is connected with the input terminal of a upstream air blending tank (13) respectively；
The output end of the upstream air blending tank (13) is connected with multiple media performance test cells respectively.
2. Performance Test System as described in claim 1, which is characterized in that the air compressor (1) and particulate air
Connecting line between filter (2) is silica dehydrator pipe.
3. Performance Test System as claimed in claim 2, which is characterized in that be provided with first switch in the silica dehydrator pipe
Regulating valve V1.
4. Performance Test System as described in claim 1, which is characterized in that state the output end of activated carbon adsorption filter (3)
First pressure regulating valve (5) are provided on connecting line between the first mass flowmenter (7)；
It is arranged on the output end of the activated carbon adsorption filter (3) and the connecting line between the second mass flowmenter (6)
There are second pressure regulating valve (4).
5. Performance Test System as described in claim 1, which is characterized in that the output end of first mass flowmenter (7)
It is connected respectively with third regulating switch valve V3 and second switch regulating valve V2；
The third regulating switch valve V3 is solenoid valve, and the first output end having is connected with the first humiture transducer (12)
It connects；
First humiture transducer (12) is located at the upper end of the upstream air blending tank (13)；
The second output terminal of the third regulating switch valve V3 is connected by heat exchanger (11) with upstream air blending tank (13)
It is logical；
The second switch regulating valve V2 is connected with the 4th regulating switch valve V4 and the 5th regulating switch valve V5 respectively；
4th regulating switch valve V4 is connected with heat exchanger (11)；
The 5th regulating switch valve V5 is connected with one end of a first hollow pipeline, and the other end of first pipeline is inserted
Enter below the liquid level of solution prestored into humidification bottle (10)；
The output end of humidification bottle (10) is connected by the heat exchanger (11) with upstream air blending tank (13).
6. Performance Test System as described in claim 1, which is characterized in that the output end of second mass flowmenter (6)
It is connected respectively with the 8th regulating switch valve V8, the 7th regulating switch valve V7 and the 6th regulating switch valve V6；
8th regulating switch valve V8 is connected with one end of the second hollow pipeline, and the other end of second pipeline is inserted into second
In pollutant generating bottle (9)；
The output end of second pollutant generating bottle (9) is defeated by the tenth regulating switch valve V10 and upstream air blending tank (13)
Enter end to be connected；
7th regulating switch valve V7 is connected with one end of hollow third pipeline, and the other end of the third pipeline is inserted into first
Below the liquid level of solution prestored in pollutant generating bottle (8)；
The output end of first pollution object generating bottle (8) passes through the input of the 9th regulating switch valve V9 and upstream air blending tank (13)
End is connected；
6th regulating switch valve V6 is connected with one end of the 4th hollow pipeline, and the other end of the 4th pipeline is inserted into first
In upper air in pollutant generating bottle (8).
7. Performance Test System as described in claim 1, which is characterized in that each media performance test cell includes filtrate folder
Have (34) and third mass flowmenter (33)；
The filtrate fixture (34) is connected by third mass flowmenter (33) with the output end of upstream air blending tank (13).
8. Performance Test System as claimed in claim 7, which is characterized in that each media performance test cell further includes electromagnetism
Control valve (35)；
The filtrate fixture (34) is connected by solenoid electric valve (35) with the input terminal of a sample port (14)；
The output end of the sample port (14) is connected with the 11st regulating switch valve V11；
11st regulating switch valve V11 is connected with the input terminal of data acquisition equipment (16)；
11st regulating switch valve V11 is also connected with electromagnetic purification valve V12；
Electromagnetic purification valve V12 is connected with exhaust passage, which is connected with outside atmosphere.
9. Performance Test System as claimed in claim 7, which is characterized in that each filtrate fixture (34) includes hollow filtrate
Cabin (18), the upper and lower ends of the filtrate cabin (18) respectively with the first upstream separator tube (17) and first downstream separator tube (19) phase
Connection；
The top of first upstream separator tube (17) is threadedly coupled with the first upper cover (20)；
The bottom of first downstream separator tube (19) is threadedly coupled with the first lower cover (21)；
The lower part of the filtrate cabin (18) is fixedly installed a strainer (24)；
The filtrate (23) in need being tested for the property is placed above in the strainer (24)；
The first gasket is provided between filtrate cabin (18) the upper end inner sidewall and the lateral wall of the first upstream separator tube (17)
(25)。
10. Performance Test System as claimed in claim 7, which is characterized in that each filtrate fixture (34) includes the second upstream
Separator tube (26) and the second downstream separator tube (27), second upstream separator tube (26) are located at second downstream separator tube
(27) surface；
Position between second upstream separator tube (26) and the second downstream separator tube (27) is provided with filtrate interlayer (31)；
The top of second upstream separator tube (26) is threadedly coupled with the second upper cover (28)；
The bottom of second downstream separator tube (27) is threadedly coupled with the second lower cover (29)；
The filtrate interlayer (31) includes two layers of filter paper, and the filtrate in need being tested for the property is placed between the filter paper；
The second gasket (32) are provided between the top of the filtrate interlayer (31) and second upstream separator tube (26) bottom surface.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108535166A (en) * | 2018-06-06 | 2018-09-14 | 天津商业大学 | A kind of Performance Test System of multichannel gaseous pollutant purification filtrate |
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| CN108535166A (en) * | 2018-06-06 | 2018-09-14 | 天津商业大学 | A kind of Performance Test System of multichannel gaseous pollutant purification filtrate |
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