CN209589833U - Gas/grain reaction detection system - Google Patents
Gas/grain reaction detection system Download PDFInfo
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- CN209589833U CN209589833U CN201920342764.7U CN201920342764U CN209589833U CN 209589833 U CN209589833 U CN 209589833U CN 201920342764 U CN201920342764 U CN 201920342764U CN 209589833 U CN209589833 U CN 209589833U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
Abstract
The utility model provides a kind of gas/grain reaction detection system, it is related to Pollution Gas detection technique field, gas provided by the utility model/grain reaction detection system includes gas supply assembly, reaction unit, detection device and multiple storage cylinders for being used to store reaction gas, wherein: each storage cylinder is connect with gas supply assembly, and gas supply assembly is for adjusting the flow that each storage cylinder discharges into reaction unit gas；The particulate matter for reacting with reaction gas is provided in reaction unit；The top of reaction unit is arranged in detection device, for detecting the spectral information situation of change of substance when reaction gas is reacted with particulate matter.Gas provided by the utility model/grain reaction detection system can study multicomponent gas in the reaction mechanism of surface particles, and the flow of adjustable each reaction gas during the experiment, change the concentration and proportion of each component in gaseous mixture, to realize that real-time online detects gas grain reaction process, the better Pollution Study object origin cause of formation.
Description
Technical field
The utility model relates to Pollution Gas detection technique fields, more particularly, to a kind of gas/grain reaction detection system
System.
Background technique
With the rapid development of our country's economy, problem of environmental pollution occurs again and again, and the coupling of region multiple pollutant is presented
Compound atmosphere pollution character.Research to the gas-to-particle heterogeneous phase chemistry process on Atmospheric particulates surface is to understand atmosphere dirt
Contaminate the necessary means of forming process.
Domestic and foreign scholars mainly utilize the different atmosphere pollutions of in-situ ft-ir technical research in surface particles
Reaction process, to inquire into reaction mechanism, but the component of qualitative research particulate matter is only limitted to mostly, only to fixed one pack system
Gas is studied in the reaction mechanism of surface particles, can not real-time online detection gas grain reaction process.
The information disclosed in the background technology section is intended only to deepen the understanding to the utility model general background technology,
And it is not construed as recognizing or implying in any form that the information constitutes the prior art known in those skilled in the art.
Utility model content
The purpose of this utility model is to provide a kind of gas/grain reaction detection system, can study multicomponent gas
The reaction mechanism on grain object surface, and the flow of adjustable each reaction gas during the experiment, to realize quantitative inspection
Survey gas grain reaction process, the better Pollution Study object origin cause of formation.
To achieve the above object, the utility model the following technical schemes are provided:
The utility model provide a kind of gas/grain reaction detection system, including gas supply assembly, reaction unit, detection device with
It is and multiple for storing the storage cylinder of reaction gas, in which:
Each storage cylinder is connect with the gas supply assembly, and the gas supply assembly is released for adjusting each storage cylinder
Put the flow of the gas into the reaction unit；
The particulate matter for reacting with the reaction gas is provided in the reaction unit；
The top of the reaction unit is arranged in the detection device, for detecting the reaction gas and the particulate matter
The spectral information situation of change of substance when reaction.
Further, the gas supply assembly includes main line and is arranged in a one-to-one correspondence with multiple storage cylinders multiple
Sub- pipeline, the sub- pipeline are equipped with valve, and one end of the sub- pipeline is connect with the storage cylinder, the other end and the supervisor
Road connection, the main line are connect away from one end of the sub- pipeline with the reaction unit.
Further, the humidity regulation for adjusting the reaction gas humidity is provided at least one described sub- pipeline
Device, the humidity control apparatus include the anti-suck bottle set gradually along the flow direction of the reaction gas and humidity regulation
Bottle.
Further, the gas supply assembly further includes vacuum pump and reversal valve, and the reversal valve is set to the main line
It is upper and connect with the vacuum pump, the reversal valve be connected to the vacuum pump for switching the reaction unit or it is described instead
Answer device and multiple sub- pipeline connections.
Further, the reaction unit includes reaction chamber and is used to carry the particulate matter in the reaction chamber
Reaction utensil, in which:
The reaction chamber has light-transmitting plate；
The reaction utensil can receive the light source of the light-transmitting plate transmission, and the reaction utensil has air inlet and exhaust
Mouthful, the air inlet is connected to the gas supply assembly, and the exhaust outlet is connected to external environment.
Further, the reaction unit further includes the heater for adjusting reaction temperature, and the heater is set to
In the reaction chamber.
Further, the reaction unit further includes the headlamp for regulating illumination intensity, and the headlamp is set to
The light-transmitting plate deviates from the side of the reaction utensil.
Further, the gas/grain reaction detection system further includes ion chromatograph, and the ion chromatograph is for quantitative
Reaction gas described in analysis detection reacted with the particulate matter after reaction product.
Gas provided by the utility model/grain reaction detection system can generate it is following the utility model has the advantages that
When stating gas/grain reaction detection system in use, according to experiment needs, experimenter will be any by gas supply assembly
Reaction gas in one or more storage cylinder is discharged into reaction unit, the gaseous mixture of subsequent each reaction gas with react
Particulate matter in device is chemically reacted, and the spectral information of substance becomes when detection device detection reaction gas is reacted with particulate matter
Change situation.The flow that each storage cylinder release gas can be adjusted by gas supply assembly during the experiment, changes in gaseous mixture
The concentration and proportion of each component realize that real-time online detects gas grain reaction process.
For compared with the existing technology, gas provided by the utility model/grain reaction detection system can not only be studied fixed single
Component gas can also study multicomponent gas in the reaction mechanism of surface particles in the reaction mechanism of surface particles, can
Research foundation is provided for compound atmosphere pollution formation, and the flow of adjustable each reaction gas during the experiment, changed
Become gaseous mixture in each component concentration and proportion, can real-time online detect gas grain reaction process, better Pollution Study
The object origin cause of formation.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is gas provided by the utility model/grain reaction detection system structural schematic diagram；
Fig. 2 is the structural schematic diagram of humidity control apparatus provided by the utility model.
Icon: 1- gas supply assembly；11- main line；12- pipeline；13- vacuum pump；14- reversal valve；2- reaction
Device；21- reaction chamber；211- light-transmitting plate；22- reaction utensil；221- air inlet；222- exhaust outlet；23- heater；
24- headlamp；3- detection device；4- storage cylinder；5- valve；6- humidity control apparatus；61- anti-suck bottle；62- is wet
Degree adjusts bottle；7- ion chromatograph.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
Specific embodiment of the present utility model is described in detail below in conjunction with attached drawing.It should be understood that herein
Described specific embodiment is only used for describing and explaining the present invention, and is not intended to limit the utility model.
Fig. 1 is gas provided by the utility model/grain reaction detection system structural schematic diagram；Fig. 2 mentions for the utility model
The structural schematic diagram of the humidity control apparatus of confession.
The purpose of the present embodiment is that a kind of gas/grain reaction detection system is provided, as depicted in figs. 1 and 2, including gas supply group
Part 1, reaction unit 2, detection device 3 and multiple storage cylinders 4 for being used to store reaction gas, in which:
Each storage cylinder 4 is connect with gas supply assembly 1, and gas supply assembly 1 is for adjusting each release of storage cylinder 4 to reaction unit
The flow of gas in 2；
The particulate matter for reacting with reaction gas is provided in reaction unit 2；
Detection device 3 is arranged outside reaction unit 2, for detecting the spectrum of substance when reaction gas is reacted with particulate matter
Information change situation.
When stating gas/grain reaction detection system in use, according to experiment needs, experimenter will be any by gas supply assembly
Reaction gas in one or more storage cylinder is discharged into reaction unit, the gaseous mixture of subsequent each reaction gas with react
Particulate matter in device is chemically reacted, and the spectral information of substance becomes when detection device detection reaction gas is reacted with particulate matter
Change situation.The flow that each storage cylinder release gas can be adjusted by gas supply assembly during the experiment, changes in gaseous mixture
The concentration and proportion of each component realize that real-time online detects gas grain reaction process.
For compared with the existing technology, gas provided in this embodiment/grain reaction detection system can not only study fixed single group
Divide gas in the reaction mechanism of surface particles, multicomponent gas can also be studied in the reaction mechanism of surface particles, can be
Compound atmosphere pollution, which is formed, provides Research foundation, and the flow of adjustable each reaction gas during the experiment, changes
The concentration and proportion of each component in gaseous mixture, can real-time online detect gas grain reaction process, better Pollution Study object
The origin cause of formation.
It should be noted that " gas ", " grain " in above-mentioned gas/grain reaction detection system respectively refer to the mixing for reaction gas
Gas and with the particulate matter that mixes solid/liquid/gas reactions, it is Pollution Gas that wherein gaseous mixture, which is simulated, and particulate matter, which is simulated, is
Atmospheric particulates." gas/grain reaction " mean simulated atmosphere polluted gas gaseous mixture and simulated atmosphere particulate matter particulate matter it
Between reaction.
In some embodiments, as shown in Figure 1, in order to enable above-mentioned gas/grain reaction detection system structure is more simple
Single, gas supply assembly 1 includes main line 11 and the multiple sub- pipelines 12 being arranged in a one-to-one correspondence with multiple storage cylinders 4, sub- pipeline 12
It is equipped with valve 5, one end of sub- pipeline 12 is connect with storage cylinder 4, and the other end is connect with main line 11, and main line 11 carries on the back ionic tube
The one end on road 12 is connect with reaction unit 2.
When needing to be passed through a certain reaction gas into reaction unit 2, the storage cylinder 4 of the reaction gas can will be installed
Valve 5 on corresponding sub- pipeline 12 is opened, and the on-off of the reaction gas is controlled by valve 5, is compound atmosphere pollution
It is formed and Research foundation is provided.
Wherein, valve 5 can be regulating valve either block valve.
When valve 5 is block valve, gas supply assembly 1 further includes existing air distributing device, and air distributing device is arranged in multiple sons
On pipeline 12, air distributing device can need to control the flow of each sub- 12 reaction gas of pipeline for experiment, determine to realize
The detection gas grain reaction process of amount, the better Pollution Study object origin cause of formation.
In some embodiments, in order to enable reaction condition is more close to natural conditions, as shown in Fig. 2, at least one
The humidity control apparatus 6 for adjusting reaction gas humidity is provided on sub- pipeline 12, humidity control apparatus 6 includes along reaction gas
The anti-suck bottle 61 and humidity regulation bottle 62 that the flow direction of body is set gradually.
In at least one embodiment, humidity control apparatus only is provided on the corresponding sub- pipeline 12 of nitrogen storage cylinder 4
6, after the valve 5 on the sub- pipeline 12 is opened, nitrogen passes through the first air inlet pipe first and enters anti-suck bottle 61, anti-suck bottle 61
For the good empty bottle of a leakproofness, the nitrogen in subsequent anti-suck bottle 61 enters humidity regulation bottle 62 by the first escape pipe, wet
Degree, which adjusts to retain in bottle 62, certain liquid, and nitrogen is discharged into the liquid in humidity regulation bottle 62 by the first escape pipe, with
Humidity regulation bottle 62 is discharged by the second escape pipe again afterwards.It should be noted that in order to avoid the liquid in humidity regulation bottle 62
Into the second escape pipe, the second escape pipe protrudes into liquid of the pipe end in humidity regulation bottle 62 higher than liquid in humidity regulation bottle 62
Face.When needing to increase the humidity of reaction gas, the flow velocity of reaction gas can be slowed down by valve 5；It is reacted when needing to reduce
When the humidity of gas, the flow velocity of reaction gas can be increased by valve 5.
The setting of anti-suck bottle 61 can prevent the liquid suck-back in humidity regulation bottle 62 from returning in storage cylinder 4, when humidity tune
When suck-back occurs in liquid in section bottle 62, liquid is directly entered in anti-suck bottle 61, will not be directly entered storage cylinder 4.
In some embodiments, as shown in Figure 1, in order to more convenient experiment progress, gas supply assembly 1 further includes vacuum pump
13 and reversal valve 14, reversal valve 14 is set on main line 11 and vacuum pump 13 connects, and reversal valve 14 is for switching reaction unit 2
It is connected to vacuum pump 13 or reaction unit 2 is connected to multiple sub- pipelines 12.
When in use, reversal valve 14 can be switched, so that reaction unit 2 is connected to vacuum pump 13, then pass through vacuum pump
13 extract the gas in reaction unit 2 out, remove foreign gas, then switch reversal valve 14, so that reaction unit 2 and multiple sons
Pipeline 12 is connected to, valve 5 corresponding to reaction gas needed for opening, so that reaction gas is entered by valve 5 and reversal valve 14
Reaction unit 2 is reacted with the particulate matter in reaction unit 2.
In some embodiments, as shown in Fig. 2, reaction unit 2 includes reaction chamber 21 and is used to hold in reaction chamber 21
Carry the reaction utensil 22 of particulate matter, in which: reaction chamber 21 has light-transmitting plate 211；Reaction utensil 22 can receive the transmission of light-transmitting plate 211
Light source, and reaction utensil 22 has air inlet 221 and exhaust outlet 222, air inlet 221 is connected to gas supply assembly 1, exhaust outlet 222 and
External environment connection.
In experiment, extraneous light source can be radiated on reaction utensil 22 by light-transmitting plate 211, and each reaction gas mixes
It closes gas and reaction utensil 22 is entered by air inlet 221, reacted with the particulate matter on reaction utensil 22, in the process, detection dress
Set the 3 spectral information situations of change that substance when reaction gas is reacted with particulate matter is detected by light-transmitting plate 211, the gas after reaction
The external world is drained by exhaust outlet 222.
In some embodiments, as shown in Figure 1, reaction unit 2 also wraps in order to enable reaction condition is similar to natural conditions
The heater 23 for adjusting reaction temperature is included, heater 23 is set in reaction chamber 21.
Heater 23 includes heating element and thermocouple, and thermocouple is used to detect the heating temperature of heating element, tests people
Member can be adjusted the heating temperature of heating element according to the temperature that thermocouple is fed back, so that reaction temperature is as far as possible
It matches with natural conditions temperature, so that experimental data is more accurate.
In some embodiments, in order to enable reaction condition is more similar to natural conditions, reaction unit 2 further includes being used for
The headlamp 24 of regulating illumination intensity, headlamp 24 are set to the side that light-transmitting plate 211 deviates from reaction utensil 22.
When in use, headlamp 24 is irradiated reaction utensil 22, provides illumination for reaction utensil 22, experimenter can be real
The intensity of illumination for needing to come adjusting illuminating lamp 24 is tested, headlamp 24 is used in conjunction with each other with heater 23, jointly to reaction condition
It is adjusted, the gas-solid reaction in analog Real Atmosphere, get close to nature condition.
Wherein, headlamp 24 can be xenon source, or LED light source.
Specifically, reaction chamber 21 has the preferable chamber of a leakproofness, and light-transmitting plate 211 is set to the top of reaction chamber 21, side
Just the irradiation of headlamp 24 and the detection of detection device 3.
Specifically, as shown in Figure 1, detection device 3 is infrared spectrometer, it is specifically as follows existing Fourier infrared spectrum
Instrument, the infrared spectrometer developed based on the principle for carrying out Fourier transformation to the infrared light after interference.Fourier's infrared light
Spectrometer is set to outside reaction chamber 21, and the infrared light issued is reflected back Fourier infrared spectrograph by light-transmitting plate 211 and is examined
It surveys, it is heterogeneous anti-to characterize in the variation for the spectral signal that surface particles adsorb and convert by gas molecule in reaction system
The chemical information for answering middle substance finally obtains infrared spectrum curve.
Specifically when in use, reaction unit 2, headlamp 24 and Fourier infrared spectrograph are integrated in same instrument box
It is interior.In addition, detection device further includes the computer being electrically connected with Fourier infrared spectrograph, computer finally obtains infrared for display
Spectrum curve.
In some embodiments, as shown in Figure 1, above-mentioned gas/grain reaction detection system further includes existing ion chromatograph
7, ion chromatograph 7 can be connect with reaction chamber 21, for receiving the reaction product after reaction gas is reacted with particulate matter and determining
Reaction product after measuring analysis detection reaction.
Wherein, ion chromatograph 7 is offline ion chromatograph 7.
Above-mentioned gas/grain reaction detection system combines infrared spectrometer on-line checking and ion chromatography offline inspection, jointly
Analyze reaction mechanism, the quality for the species that the reaction of ion chromatography offline inspection generates, to calculate the conversion ratio of gas grain reaction, energy
Enough more accurate Pollution Study object origin causes of formation.
It should be noted that above-mentioned gas/grain reaction detection system can not only be suitable for studying the mechanism of gas grain reaction, may be used also
With the removal capacity for characterizing material for gaseous pollutant, there is wider applicability.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (8)
1. a kind of gas/grain reaction detection system, which is characterized in that including gas supply assembly (1), reaction unit (2), detection device
It is (3) and multiple for storing the storage cylinder (4) of reaction gas, in which:
Each storage cylinder (4) connect with the gas supply assembly (1), and the gas supply assembly (1) is for adjusting each storage
The flow of gas cylinder (4) release gas into the reaction unit (2)；
The particulate matter for reacting with the reaction gas is provided in the reaction unit (2)；
The detection device (3) is arranged at the top of the reaction unit (2), for detecting the reaction gas and the particle
The spectral information situation of change of substance when object reacts.
2. gas according to claim 1/grain reaction detection system, which is characterized in that the gas supply assembly (1) includes supervisor
Road (11) and the multiple sub- pipelines (12) being arranged in a one-to-one correspondence with multiple storage cylinders (4) set on the sub- pipeline (12)
Having valve (5), one end of the sub- pipeline (12) is connect with the storage cylinder (4), and the other end is connect with the main line (11),
The main line (11) connect away from one end of the sub- pipeline (12) with the reaction unit (2).
3. gas according to claim 2/grain reaction detection system, which is characterized in that at least one described sub- pipeline (12)
On be provided with humidity control apparatus (6) for adjusting the reaction gas humidity, the humidity control apparatus (6) includes along institute
State anti-suck bottle (61) and humidity regulation bottle (62) that the flow direction of reaction gas is set gradually.
4. gas according to claim 2/grain reaction detection system, which is characterized in that the gas supply assembly (1) further includes true
Sky pump (13) and reversal valve (14), the reversal valve (14) are set on the main line (11) and connect with the vacuum pump (13)
It connects, the reversal valve (14) is connected to or the reaction unit for switching the reaction unit (2) with the vacuum pump (13)
(2) it is connected to multiple sub- pipelines (12).
5. gas according to claim 1/grain reaction detection system, which is characterized in that the reaction unit (2) includes reaction
Room (21) and the reaction utensil (22) for being used to carry the particulate matter in the reaction chamber (21), in which:
The reaction chamber (21) has light-transmitting plate (211)；
The reaction utensil (22) can receive the light source of the light-transmitting plate (211) transmission, and the reaction utensil (22) has air inlet
Mouthful (221) and exhaust outlet (222), the air inlet (221) are connected to the gas supply assembly (1), the exhaust outlet (222) with outside
Boundary's environmental communication.
6. gas according to claim 5/grain reaction detection system, which is characterized in that the reaction unit (2) further includes using
In the heater (23) for adjusting reaction temperature, the heater (23) is set in the reaction chamber (21).
7. gas according to claim 5/grain reaction detection system, which is characterized in that the reaction unit (2) further includes using
In the headlamp (24) of regulating illumination intensity, the headlamp (24) is set to the light-transmitting plate (211) away from the reaction utensil
(22) side.
8. gas according to claim 1/grain reaction detection system, which is characterized in that the gas/grain reaction detection system is also
Including ion chromatograph (7), the ion chromatograph (7) detects the reaction gas for quantitative analysis and the particulate matter is anti-
Reaction product after answering.
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| CN201920342764.7U CN209589833U (en) | 2019-03-18 | 2019-03-18 | Gas/grain reaction detection system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109813671A (en) * | 2019-03-18 | 2019-05-28 | 新疆维吾尔自治区环境保护科学研究院 | Gas/grain reaction detection system |
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2019
- 2019-03-18 CN CN201920342764.7U patent/CN209589833U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109813671A (en) * | 2019-03-18 | 2019-05-28 | 新疆维吾尔自治区环境保护科学研究院 | Gas/grain reaction detection system |
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