CN209034128U - A kind of device measuring graphene film air cleaning performance - Google Patents
A kind of device measuring graphene film air cleaning performance Download PDFInfo
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- CN209034128U CN209034128U CN201821650411.5U CN201821650411U CN209034128U CN 209034128 U CN209034128 U CN 209034128U CN 201821650411 U CN201821650411 U CN 201821650411U CN 209034128 U CN209034128 U CN 209034128U
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Abstract
The utility model relates to a kind of devices for measuring graphene film air cleaning performance, belong to air detection and field of purification, solve the problems, such as that the device for detecting graphene film air cleaning performance in the prior art can not achieve multifunction, automation control.Present applicant proposes a kind of devices for measuring graphene film air cleaning performance, including hair dirt device, simulator, detection device and turn-key system.Hair dirt device provides pollution sources and controls pollutant concentration, and simulator is sufficiently mixed pollutant simulating atmospheric environment, and core is detection device, detects pollutant flowing by film using exhausting mode.Air is compared by experimental data measured by air monitor before and after film, calculates air cleaning rate.The arrangement achieves the automation controls that air pollution detection is completed in laboratory, it is possible to provide the environmental simulation of different degrees of air pollution for the air cleaning performance detection to graphene film material, and is suitable for other thin-film materials.
Description
Technical field
The utility model relates to air detection and field of purification more particularly to a kind of measurement graphene film air cleanings
The device of energy.
Background technique
With the raising of the rapid growth and quality of life of population, urbanization is deepened, and process of industrialization is grown rapidly, ring
Border pollution problem, energy problem cause to be influenced brought by the extensive concern of people, especially atmosphere pollution.Atmosphere pollution
It is great to human injury including inhalable particulate pollutant, volatile organic matter etc..Studies have shown that new carbon graphene
Since it is with huge theoretical surface (2630m2/ g), there is suction-operated to atmosphere pollution, therefore it is net to can be used for air
Change.To make full use of this characteristic of graphene, air cleaning becomes research hotspot with graphene film, detects the change of its purifying property
Must be particularly important, need an air cleaning unit that is structurally reasonable, simply easily implementing.
Graphene film handles pellet, volatile organic matter for handling atmosphere pollution, sufficiently to study it
The performance of equal pollutants, it is necessary to which simulated atmosphere pollution environment is so that reduce test error as far as possible.Wherein particle contamination owner
Will be based on PM2.5, PM10 etc., provide accurately pollution sources just can be further amplified test and be ready to be subsequent.Simulation
Atmosphere pollution, Consideration pollutant initial concentration, wind speed etc. influence the performance of graphene film most important therefore uncommon
Prestige obtains an automation control, multifunction, the device for capableing of Reusability.
The filter device of the prior art is mainly made of two parts before and after film, one of them holds gas to be separated, mainly
Deficiency be to can not achieve multifunction, and automation control is incomplete, and initial concentration is not easily controlled, and can not be compared not
The concentration of influence with to(for) graphene film performance.Other easy device is complicated for operation, cannot achieve automatic control, parameter
It can not quantify, cause test to carry out difficult and the data precision lower.Therefore, existing some experimental rigs cannot be examined well
The performance of graphene film is surveyed, brings obstruction for the subsequent development for purifying air with graphene film.
Summary of the invention
In view of above-mentioned analysis, the utility model embodiment is intended to provide a kind of measurement graphene film air cleaning performance
Device, be not easily controlled to solve primary pollutant concentration in the prior art, can not compare various concentration pollutant for
The influence of graphene film air cleaning performance can not achieve multifunction and automation control, and parameter can not quantify, and cause reality
It tests and carries out difficult and lower the data precision problem.
On the one hand, the utility model embodiment provides a kind of device for measuring graphene film air cleaning performance, packet
It includes: hair dirt device, simulator, detection device；
Wherein, dirt device is sent out, air needed for detection is provided and pollutant, and the flow of air and pollutant is according to experiment institute
Need parameter setting, hair dirt device includes: air gas cylinder, pollutant gas cylinder, the first air pump, the second air pump, first flowmeter and the
Two flowmeters；
Simulator simulates contaminated atmospheric environment；
Detection device purifies front and back pollutant concentration to graphene film and detects.
Simulator includes: total air pump, pollutant measurement case, blower.
Detection device include: the first air monitor, the second air monitor, anemobiagraph, equal drift net, graphene film,
Exhaust fan and velocity regulator.
It further include turn-key system, turn-key system includes: master control device and computer.
First air pump is connect with air gas cylinder, extracts the air in air gas cylinder；Second air pump is connect with pollutant gas cylinder,
Extract the pollutant in pollutant gas cylinder；
First flowmeter detects the flow of the air of the first air pump output；Second flowmeter detects the sky of the second air pump output
The flow of gas；
One end of total air pump connects gas passage, another termination pollutant measurement case, the air that the first air pump is extracted with
The pollutant that second air pump extracts is conveyed together into pollutant measurement case.
Blower, and the stirring of the air-flow exported by blower are installed in pollutant measurement case, keep polluted gas mixing equal
It is even.
It is thin to set gradually equal drift net, graphene in the gas passage of detection device for pollutant measurement case external detection device
Exhaust fan is arranged in the port of film, gas passage, and exhaust fan makes mixed contaminated gas pass sequentially through equal drift net by exhausting
And graphene film.
Exhaust fan connects velocity regulator, adjusts the gas velocity by graphene film；
Anemobiagraph is arranged in the gas passage of detection device, the speed that detection passes through the gas of graphene film.
First air monitor detects the pollutant concentration of the gas in pollutant measurement case；The detection of second air monitor
Pollutant concentration through graphene film purified gas.
First air pump, the second air pump, total air pump, first flowmeter, second flowmeter, blower, the first air monitor,
Two air monitor, anemobiagraph and velocity regulator are connected with master control device.
Above-mentioned technical proposal has the beneficial effect that:
1) it can control primary pollutant concentration, by comparing the purification efficiency of pollutant concentration difference graphene film,
Analyze influence of the pollutant concentration for graphene film air cleaning performance.
2) it is able to achieve multifunction and automation control, device to test is accurate, and automation is strong, quantitative detection membrane purification
Can, detection device test is stably and controllable, is not interfered by outside air.
3) air filtering is crossed using exhausting mode, increases residence time of the pollutant on graphene film, adjustable speed exhausting
Machine quantitative measurment gas flow makes full use of the air cleaning performance of control variate method measurement graphene film.
4) it realizes and completes the automation control of air pollution detection in laboratory, it is possible to provide different degrees of air pollution
Environmental simulation, for the air cleaning performance detection to graphene film material.
It in the utility model, can also be combined with each other between above-mentioned each technical solution, to realize more preferably combination sides
Case.Other feature and advantage of the utility model will illustrate in the following description, also, certain advantages can be from specification
It becomes apparent, or is understood and implementing the utility model.The purpose of this utility model and other advantages can pass through
It is achieved and obtained in specifically noted content in bright book, claims and attached drawing.
Detailed description of the invention
Attached drawing is only used for showing the purpose of specific embodiment, and is not considered as limitations of the present invention, entire
In attached drawing, identical reference symbol indicates identical component.
Fig. 1 is the schematic device of the measurement graphene film air cleaning performance.
Appended drawing reference:
1, air gas cylinder；2-1, the first air pump；2-2, the second air pump；3-1, first flowmeter；3-2, second flowmeter；4,
Pollutant measurement case；5, blower；6-1, the first air monitor；6-2, the second air monitor；7, anemobiagraph；8, equal drift net；
9, graphene film；10, exhaust fan；11, velocity regulator；12, master control device；13, computer；14, pollutant gas cylinder.
Specific embodiment
1 specifically describe the preferred embodiment of the utility model with reference to the accompanying drawing, wherein attached drawing constitutes the utility model
A part, and be used to illustrate the principles of the present invention together with the embodiments of the present invention is not intended to limit practical
Novel range.
One specific embodiment of the utility model discloses a kind of dress for measuring graphene film air cleaning performance
It sets, comprising: hair dirt device, simulator, detection device and turn-key system；
Wherein, hair dirt device includes: air gas cylinder 1, pollutant gas cylinder 14, the first air pump 2-1, the second air pump 2-2, first
Flowmeter 3-1 and second flowmeter 3-2.Simulator includes: total air pump 2-3, pollutant measurement case 4, blower 5.Detection device
It include: the first air monitor 6-1, the second air monitor 6-2, anemobiagraph 7, equal drift net 8, graphene film 9, exhaust fan 10
With velocity regulator 11.Turn-key system includes: master control device 12 and computer 13.
When implementation, the first air pump 2-1 is arranged in air delivery passage, connect with air gas cylinder 1, takes out from air gas cylinder 1
Take air to air delivery passage.Second air pump 2-2 is arranged in pollutant transportation channel, connect with pollutant gas cylinder 14, from dirt
It contaminates in object gas cylinder 14 and extracts on pollutant to pollutant transportation channel.
Specifically, air gas cylinder 1 provides pure air, and pollutant gas cylinder 14 provides air pollutants.In atmosphere pollution often
The inhalable particulate pollutant seen is PM2.5, PM10 etc., using the particle dirt in powder simulated atmosphere after burning sandalwood in experiment
Contaminate object.To volatile organic matter pollutant, such as formaldehyde etc., after pollutant solution or volatilization can be provided in pollutant gas cylinder 14
High density pollution object gas simulated.By polluting derived components in control pollutant gas cylinder 14, the present apparatus can be to pollution sources
The air cleaning performance of (particulate pollutant or organic pollutant) graphene film 9 is detected when single, also can detect stone
Detergent power of the black alkene film 9 to composite pollution source.
In order to guarantee the ratio of air gas and contaminant gases mixing, according to parameter setting flow needed for testing, adjustment
Pollutant concentration in gas simulates the ambient condition of different atmosphere pollution.First air pump 2-1 and the second air pump 2-2 with
Master control device connection further adjusts the ratio of air and pollutant by adjusting the first air pump 2-1 and the second air pump 2-2 parameter
Example, realization control the concentration of air and pollutant in polluted gas after mixing.By controlling pollutant concentration, dirt can be compared
The purification efficiency of graphene film 9 when contaminating object concentration difference analyzes pollutant concentration to 9 air cleaning performance of graphene film
It influences.
In order to realize the monitoring to air mass flow and pollution formation, in air delivery passage and pollutant transportation channel
First flowmeter 3-1 and second flowmeter 3-2 are installed.First flowmeter 3-1 detects the stream of the air of the first air pump 2-1 output
Amount, second flowmeter 3-2 detect the pollution formation of the second air pump 2-2 output, and are connected respectively with master control device, record air
With the data on flows of pollutant.
Further, the one end total air pump 2-3 connects gas passage, another termination pollutant measurement case 4, by the first air pump 2-
The pollutant that 1 air extracted and the second air pump 2-2 are extracted is conveyed together into pollutant measurement case 4.
Further, the first air monitor 6-1 is installed in pollutant measurement case 4, and is connect with master control device 12.The
The pollutant concentration for the mixed gas that one air monitor 6-1 detection is sufficiently mixed in rear pollutant measurement case, and will test number
According to master control device 12 is sent to, analysis finally can be observed and is further processed on computer 13.
Further, in order to be uniformly mixed polluted gas, blower 5 is installed in pollutant measurement case 4, blower 5 and total
It controls device 12 to be connected, by the stirring of blower 5, is sufficiently mixed pollutant, the pollutant in pollutant measurement case 4 can be made dense
Degree is balanced, guarantees that measurement is accurate.In addition, pollutant measurement box space also can reduce greatly error very much, it is ensured that the pollutant measured
Concentration is accurate.
In order to detect the air cleaning performance of graphene film 9, the external detection device of pollutant measurement case 4, detection device
Equal drift net 8, graphene film 9 are set gradually in gas passage, exhaust fan 10 is arranged in port, and exhaust fan 10 is made in a manner of exhausting
Mixed polluted gas passes sequentially through equal drift net 8 and graphene film 9, and equal drift net 8 is for guaranteeing gas in detection device
Flow speed stability, the purification function of graphene film 9 make by polluted gas be purified, pollutant concentration reduce.Using pumping
Wind mode crosses air filtering, increases residence time of the pollutant on graphene film 9
Further, exhaust fan 10 connects velocity regulator 11, and velocity regulator 11 connects master control device 12.Master control device
12 control the wind speed of exhaust fan 10 by velocity regulator 11, and the exhaust fan 10 of adjustable speed quantitatively controls gas flow, can be right
The air cleaning performance of graphene film carries out detection and comparative analysis when same pollutant concentration difference wind speed, studies contamination gas
Influence of the body flow velocity to the air cleaning performance of graphene film.
Further, anemobiagraph 7 is arranged in the gas passage of detection device, and is connected with master control device, and detection passes through
The wind speed of gas when graphene film 9.
Further, the second air monitor 6-2 detection is dense through the pollutant in the purified air of graphene film 9
Degree.First air monitor 6-1 is connected with master control device 12 with the second air monitor 6-2, compares the first air monitor
The data that 6-1 and the second air monitor 6-2 are measured, the pollution that comparative analysis passes through the polluted gas of 9 front and back of graphene film
Object concentration obtains the purification efficiency of 9 pairs of graphene film pollution air.
Master control device 12 controls each component being attached thereto, and connect computer experimental result is analyzed,
It summarizes.It is able to achieve multifunction and automation control, device to test is accurate, and automation is strong, can be with quantitative detection membrane purification
Can, stability contorting is carried out to the device experiment of measurement 9 air cleaning performance of graphene film.
On the other hand, the utility model embodiment provides a kind of device of measurement graphene film air cleaning performance
Application method, comprising the following steps:
S1, computer is opened, parameter needed for setting is tested runs whole device, regulation experiment interface；
S2, the first air pump and the second air pump are opened, provides air and pollution sources in the ratio set；
S3, total air pump convey air and pollutant together into pollutant measurement case, and open blower and be stirred, and make to mix
It closes uniform；
S4, exhaust fan is opened, wind speed setting makes polluted gas after mixing pass through equal drift net and graphene film, anemobiagraph
Gas is recorded to detect contaminated gas by speed, the first air monitor and the second air monitor and pass through before graphene film
Concentration afterwards, measured data pass through master control device and are transmitted to computer and record；
S5, every experimental data according to computer record compare contaminated gas and pass through the pollution before and after graphene film
Object concentration calculates the purification efficiency of graphene film；
S6, using control variate method, study influence of the variation of parameters to graphene film purification efficiency.
Technical solutions of the utility model, which realize, completes the automation control of air pollution detection in laboratory, it is possible to provide no
With the environmental simulation of degree air pollution, for the air cleaning performance detection to graphene film material, and it is suitable for other
Thin-film material.The technical solution, the beneficial effects of the utility model are as follows through the foregoing embodiment:
1) graphene film is able to detect to the purifying property of air after the pollution of heterogeneity pollution sources.
2) it can control primary pollutant concentration, by comparing the purification efficiency of pollutant concentration difference graphene film,
Analyze influence of the pollutant concentration for graphene film air cleaning performance.
3) it is able to achieve multifunction and automation control, device to test is accurate, and automation is strong, quantitative detection membrane purification
Can, detection device test is stably and controllable, is not interfered by outside air.
4) film that other types have air cleaning performance is also alternatively arranged in graphene film installation site, can detect
The purifying property of different type air cleaning film has good applicability.
5) air filtering is crossed using exhausting mode, increases residence time of the pollutant on graphene film, exhausting is adjusted
Machine wind speed makes full use of influence of the control variate method measurement gas flow rate variation to the air cleaning performance of graphene film.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in
Change or replacement, should be covered within the scope of the utility model.
Claims (10)
1. it is a kind of measure graphene film air cleaning performance device characterized by comprising hair dirt device, simulator,
Detection device；
Wherein, the hair dirt device, air needed for detection is provided and pollutant, and the flow of air and pollutant is according to experiment institute
Parameter setting is needed, the hair dirt device includes: air gas cylinder (1), pollutant gas cylinder (14), the first air pump (2-1), the second air pump
(2-2), first flowmeter (3-1) and second flowmeter (3-2)；
The simulator simulates contaminated atmospheric environment；
The detection device purifies front and back pollutant concentration to graphene film and detects.
2. the device of measurement graphene film air cleaning performance according to claim 1, which is characterized in that the simulation
Device includes: total air pump (2-3), pollutant measurement case (4), blower (5).
3. the device of measurement graphene film air cleaning performance according to claim 2, which is characterized in that the detection
Device includes: that the first air monitor (6-1), the second air monitor (6-2), anemobiagraph (7), equal drift net (8), graphene are thin
Film (9), exhaust fan (10) and velocity regulator (11).
4. the device of measurement graphene film air cleaning performance according to claim 3, which is characterized in that further include total
Control system, the turn-key system include: master control device (12) and computer (13).
5. the device of measurement graphene film air cleaning performance according to claim 4, which is characterized in that described first
Air pump (2-1) is connect with air gas cylinder (1), extracts the air in air gas cylinder (1)；Second air pump (2-2) and pollutant
Gas cylinder (14) connection, extracts the pollutant in pollutant gas cylinder (14)；
The flow of the air of first flowmeter (3-1) detection the first air pump (2-1) output；The second flowmeter (3-2)
Detect the flow of the air of the second air pump (2-2) output；
One end of total air pump (2-3) connects gas passage, another termination pollutant measurement case (4), by the first air pump (2-1)
The pollutant that the air of extraction and the second air pump (2-2) extract is conveyed together into pollutant measurement case (4).
6. the device of measurement graphene film air cleaning performance according to claim 5, which is characterized in that the pollution
The stirring for the air-flow for being equipped with blower (5) in object measurement case (4), and being exported by blower (5) is uniformly mixed polluted gas.
7. the device of measurement graphene film air cleaning performance according to claim 6, which is characterized in that the pollution
Object measures case (4) external described detection device, sets gradually equal drift net (8), graphene in the gas passage of the detection device
Exhaust fan (10) are arranged in film (9), the port of gas passage, exhaust fan (10) by exhausting make mixed contaminated gas according to
It is secondary to pass through equal drift net (8) and graphene film (9).
8. the device of measurement graphene film air cleaning performance according to claim 7, which is characterized in that the exhausting
Machine (10) connects velocity regulator (11), adjusts the gas velocity for passing through graphene film (9)；
The anemobiagraph (7) is arranged in the gas passage of the detection device, and detection passes through the gas of graphene film (9)
Speed.
9. the device of measurement graphene film air cleaning performance according to claim 8, which is characterized in that described first
Air monitor (6-1) detects the pollutant concentration of the gas in pollutant measurement case (4)；Second air monitor (the 6-
2) pollutant concentration through graphene film (9) purified gas is detected.
10. the device of measurement graphene film air cleaning performance according to claim 9, which is characterized in that described the
One air pump (2-1), the second air pump (2-2), total air pump (2-3), first flowmeter (3-1), second flowmeter (3-2), blower
(5), the first air monitor (6-1), the second air monitor (6-2), anemobiagraph (7) and velocity regulator (11) be and master control
Device (12) is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821650411.5U CN209034128U (en) | 2018-10-11 | 2018-10-11 | A kind of device measuring graphene film air cleaning performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821650411.5U CN209034128U (en) | 2018-10-11 | 2018-10-11 | A kind of device measuring graphene film air cleaning performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209034128U true CN209034128U (en) | 2019-06-28 |
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ID=67035657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821650411.5U Expired - Fee Related CN209034128U (en) | 2018-10-11 | 2018-10-11 | A kind of device measuring graphene film air cleaning performance |
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| Country | Link |
|---|---|
| CN (1) | CN209034128U (en) |
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2018
- 2018-10-11 CN CN201821650411.5U patent/CN209034128U/en not_active Expired - Fee Related
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| CF01 | Termination of patent right due to non-payment of annual fee |
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