CN110376132A - The transmission cell for infrared absorption of catalyst activity position under a kind of real-time detection action of plasma - Google Patents
The transmission cell for infrared absorption of catalyst activity position under a kind of real-time detection action of plasma Download PDFInfo
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- CN110376132A CN110376132A CN201910682900.1A CN201910682900A CN110376132A CN 110376132 A CN110376132 A CN 110376132A CN 201910682900 A CN201910682900 A CN 201910682900A CN 110376132 A CN110376132 A CN 110376132A
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- 239000003054 catalyst Substances 0.000 title claims abstract description 27
- 230000009471 action Effects 0.000 title claims abstract description 26
- 238000010521 absorption reaction Methods 0.000 title claims abstract description 24
- 230000005540 biological transmission Effects 0.000 title claims abstract description 24
- 230000000694 effects Effects 0.000 title claims abstract description 23
- 238000011897 real-time detection Methods 0.000 title claims abstract description 19
- 230000003287 optical effect Effects 0.000 claims abstract description 21
- 238000000034 method Methods 0.000 claims abstract description 10
- 238000010438 heat treatment Methods 0.000 claims abstract description 9
- 230000008569 process Effects 0.000 claims abstract description 7
- 238000007789 sealing Methods 0.000 claims abstract description 7
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- 239000000498 cooling water Substances 0.000 claims description 5
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- 238000012360 testing method Methods 0.000 abstract description 11
- 238000012512 characterization method Methods 0.000 abstract description 5
- 238000002329 infrared spectrum Methods 0.000 abstract description 4
- 238000004458 analytical method Methods 0.000 abstract description 2
- 238000002347 injection Methods 0.000 abstract description 2
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- 238000001514 detection method Methods 0.000 description 6
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- 239000003795 chemical substances by application Substances 0.000 description 3
- 125000000524 functional group Chemical group 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- 238000000862 absorption spectrum Methods 0.000 description 2
- 238000006555 catalytic reaction Methods 0.000 description 2
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- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
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- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
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- 238000006243 chemical reaction Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N21/03—Cuvette constructions
- G01N21/0332—Cuvette constructions with temperature control
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N21/03—Cuvette constructions
- G01N2021/0325—Cells for testing reactions, e.g. containing reagents
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N21/03—Cuvette constructions
- G01N2021/0389—Windows
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- Life Sciences & Earth Sciences (AREA)
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- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The invention discloses a kind of transmission cell for infrared absorption of catalyst activity position under real-time detection action of plasma, are related to infrared spectrum analysis test macro, including pond body and end cap；It is sealed at the pond body and end cap cooperation by sealing ring, pond body and end cap form closed hollow structure；It is provided with heating device outside the pond body, insulating layer is provided with outside heating device；The pond body is internally provided with high-field electrode and grounding electrode, after energization, discharges between high-field electrode and grounding electrode, generates action of plasma on sample to be processed；Infrared optical entrance and infrared optical emission exit are offered on the end cap, infrared equipment issues infrared light and irradiated on sample in process after infrared optical entrance enters then from the injection of infrared optical emission exit.The present invention can generate plasma near sample, realize the characterization test of activity over catalysts position in the plasma environment under real-time detection certain temperature.
Description
Technical field
The present invention relates to infrared spectrum analysis test macro, especially one kind to urge under real-time detection action of plasma
The transmission cell for infrared absorption of agent active sites.
Background technique
Under action of plasma, catalyst often shows activity more higher than heat catalysis at identical temperature,
However the mechanism that this phenomenon generates is still unintelligible at present.Active sites are the specific locations that generation is reacted on catalyst, clearly living
Property position mechanism of catalytic reaction can be furtherd investigate, explanation fundamentally is carried out to catalyst activity data.Wait from
In daughter under the action of various active materials, new active site whether can be generated on catalyst, and then influence response path, mentioned
High catalytic activity is the problem of people are concern.Transmission infrared absorption spectrum characterization is that research Active site structure is particularly useful
Method, can be used for the characterization test of the Adsorption of most of samples.Pass through the suction of detection probe molecule on a catalyst
Attached desorption process analyzes measurement soda acid active sites with carrying out qualitative, quantitative.But lacks be catalyzed under research action of plasma at present
The device that active site generates and changes in agent.Existing transmission infrared absorption spectrum test device does not generate plasma
Device, can not under online in situ detection action of plasma catalyst surface active position structure and property.
The present invention improves on the basis of common In-situ Infrared absorption cell, and plasma generating system is added, can
Enough carry out the characterization test of activity over catalysts position under action of plasma.
Summary of the invention
The purpose of the present invention is ask for the technology that transmission cell for infrared absorption in situ cannot provide condition of plasma at present
Topic, provide it is a kind of can under real-time detection action of plasma catalyst activity position transmission cell for infrared absorption.
The present invention achieves the above technical objects by the following technical means.
The transmission cell for infrared absorption of catalyst activity position under a kind of real-time detection action of plasma,
Including pond body and end cap；
It is sealed at the pond body and end cap cooperation by sealing ring, pond body and end cap form closed hollow structure；
It is provided with heating device outside the pond body, insulating layer is provided with outside heating device；
The pond body is internally provided with high-field electrode and grounding electrode, after energization, puts between high-field electrode and grounding electrode
Electricity generates action of plasma on sample to be processed；
Infrared optical entrance and infrared optical emission exit are offered on the end cap, infrared equipment issues infrared light through infrared light
Entrance port irradiates after entering and then projects from infrared optical emission exit on sample in process.
Further, the high-field electrode and grounding electrode pass through pond body insulating layer and pond body insulation set, wherein high pressure
Electrode is L-shaped structure, high-field electrode needle point face sample, sample another side face grounding electrode.
Further, there are two needle point, two needle point 2~8mm of spacing, and two needle point centers for setting on the high-field electrode
Position alignment sample center.
Further, the high-field electrode and sample distance are 1~10mm, grounding electrode and 1~5mm of sample distance.
Further, the high-field electrode and grounding electrode pass through conductive nut, conducting bolt and high voltage power supply, ground wire
Connection.
Further, the sample is arranged in sample cell.
Further, air inlet, gas outlet are provided in the pond body and are connected with thermocouple meter.
Further, insulating layer is two, is oppositely arranged up and down, and high-field electrode is placed in an insulating layer, another is absolutely
Grounding electrode is placed in edge layer, high-field electrode is separately positioned on different insulating layers from grounding electrode, and high-field electrode with it is low
Extend insulating layer in one end of piezoelectricity pole；Medium, and medium and low-field electrode are provided between high-field electrode and low-field electrode
Quartz spacer is arranged in contact between high-field electrode and medium, high-field electrode and gasket contact sample are arranged below high-field electrode,
And sample and media contact, sample upper end are contacted with high-field electrode.
Further, high-field electrode and grounding electrode are the metal plate with a thickness of 0.1~3mm, high-field electrode and ground connection electricity
Place the medium that optical quartz piece is constituted between pole, high-field electrode and grounding electrode misplace placement up and down, in-between there are 2~
The gap of 10mm；The quartz spacer of 0.1~0.8mm is provided in gap between institute high-field electrode and medium.
Further, the high-field electrode passes through high-field electrode lead, conductive nut, conducting bolt and high voltage power supply phase
Even；Conducting bolt one terminates high voltage power supply, and one end passes through pond body upper wall and conductive nut by being threadedly engaged, pond body upper wall with lead
Completely cut off between electric bolt with pond body insulating layer；Grounding electrode passes through grounding electrode wire ground.
Further, cooling water pipeline is additionally provided with inside the pond body.
Beneficial effects of the present invention:
1) present invention introduces the plasma being made of high-field electrode, grounding electrode in Infrared spectra adsorption pond and occurs
Unit can generate plasma compared with published Infrared spectra adsorption pond near sample, realize real-time detection one
Determine the characterization test of activity over catalysts position under the action of plasma at temperature.
2) present invention can have electric heating system, can carry out plasma and temperature simultaneously and tie to catalyst activity position
The detection of the influence of structure and quantity can also individually carry out the influence detection of plasma or temperature to catalyst activity position, have
Multiple use.
3) present invention can pre-process sample in absorption cell, detect, and reduce the influence of outer bound pair sample, guarantee
The confidence level and original position of result.
4) present invention uses the combining form of high-field electrode and grounding electrode to leave channel for infrared light path, and electric discharge generates
In-situ ft-ir detection can be carried out while low temperature plasma, and the condition of stable discharge, adaptation is wide.
5) concentration and type of the active material in plasma can be by adjusting the high pressure piezoelectric voltage applied, being passed through
The adjustings such as gas componant, pressure control, to test influence of different types of active material to active sites.
Detailed description of the invention
Fig. 1 is the board-like transmission cell for infrared absorption schematic diagram of the present invention；
Fig. 2 is to cut open leftschematic diagram among board-like transmission cell for infrared absorption；
Fig. 3 is partial enlargement diagram in Fig. 2；
Fig. 4 is Fig. 3 schematic rear view；
Fig. 5 is needle net formula transmission cell for infrared absorption schematic diagram；
Fig. 6 is Fig. 5 partial side view.
Appended drawing reference is as follows:
1- pond body, 2- end cap, 3- sealing ring, the infrared optical entrance of 4-, the infrared optical emission exit of 5-, 6- air inlet, 7- outlet
Mouth, 8- heater, 9- insulating layer, 10- thermocouple, 11- cooling water pipeline, 12- bracket, 13- insulating layer, 14- high-field electrode,
15- gasket, 16- medium, 17- sample, 18- grounding electrode, 19- sample cell, 20- high-field electrode lead, 21- conductive nut,
22- conducting bolt, 23- pond body insulating layer, 24- grounding electrode lead, 25- lead wire insulation layer.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
The orientation or positional relationship of the instructions such as " thickness ", "upper", "lower", " axial direction ", " radial direction ", "vertical", "horizontal", "inner", "outside"
To be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description of the present invention and simplification of the description, rather than indicate or
It implies that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as
Limitation of the present invention.In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply phase
To importance or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be with
Explicitly or implicitly include one or more of the features.In the description of the present invention, the meaning of " plurality " is two or
Two or more, unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can be machine
Tool connection, is also possible to be electrically connected；It can be directly connected, two members can also be can be indirectly connected through an intermediary
Connection inside part.For the ordinary skill in the art, above-mentioned term can be understood in this hair as the case may be
Concrete meaning in bright.
It is specifically described first below in conjunction with attached drawing according to an embodiment of the present invention
Case study on implementation 1
The one kind provided according to embodiments of the present invention referring to FIG. 1 to FIG. 4, can urge in real-time detection plasma environment
The transmission cell for infrared absorption of agent active sites.
Pond body 1 is a closed cavity, pressure and atmosphere needed for being used to carry experiment with confined space.It is described
The form and dimension of pond body can be arranged according to actual needs.In the present embodiment, pond body 1 is cuboid, and the material of the pond body is resistance to
High temperature, the pretreatment for being able to carry out sample and the reaction test under the conditions of certain temperature.Pond body is equipped on 1 or so two ports
End cap 2 uses sealing ring 3 between end cap 2 and port, respectively red into sealing, being equipped with the infrared window of ZnSe on two end caps
Outer optical entrance 4 and infrared optical emission exit 5, to keep infrared light incident and pass through the pond body 1.1 upper inside wall two of pond body
Side is equipped with the air inlet 6 being oppositely arranged and gas outlet 7, to be connected to ventilation pipe.Gas enters from air inlet 6 to remain certain
Atmospheric condition.At the same time it can also vacuumize by air inlet 6 and gas outlet 7 to closed pond body, it to be used for sample pretreatment
Or test process.
Bracket 12 connects with 1 inner wall of pond body, can take out from pond body, bracket 12 be equipped with insulating layer 13, high-field electrode 14,
Grounding electrode 18, medium 16, sample cell 19 are both secured in insulating layer 13.High-field electrode 14 passes through high-field electrode lead 10, leads
Electric nut 21, conducting bolt 22 are connected with high voltage power supply；Conducting bolt 22, a termination high voltage power supply, one end passes through pond body upper wall
With conductive nut 21 by being threadedly engaged, completely cut off between 1 upper wall of pond body and conducting bolt 22 with pond body insulating layer 23；Conductive nut
21 are connected with high voltage power supply lead 20.Grounding electrode is grounded by grounding electrode lead 24；
High-field electrode 14 and grounding electrode 18 are the metal plate with a thickness of 2mm, place infrasil optics between two electrodes
The medium 16 that quartz plate is constituted；Two electrode positions are staggered, and there are the gaps of 2~10mm；Sheet sample 17 is placed in high-field electrode
It on the sample cell 19 of 14 sides, and is inserted into the gap that high-field electrode 14, gasket 15, medium 16 are formed, sample is made to be close to high pressure
Electrode 14 and medium 16, and it is located at the interstitial site of high-field electrode 14 and grounding electrode 18.When powering on, in high-field electrode 14
Side, sample 17 top generate surface plasma, and be covered in 17 surface of sample, ion, electronics in plasma, from
By material effects such as bases in sample, sample surfaces active sites is made to change.
Outside 1 side wall of pond body and bottom outside is additionally provided with heater 8, and pond body top does not set heater, to leave high-voltage electricity for
Source line and gas circuit pipeline space.Heater 8 is used for the gas and thermocatalyst sample 17 that indirect heating enters.Cooling water pipeline 11
It is spirally wound on inside 1 wall surface of pond body, crosses cause thermal damage light with the anti-locking apparatus outside of waste heat is taken away for quickly cooling device
Spectrometer obtains other elements.
Absorption cell internal temperature thermocouple 10 measures and feeds back heater 8, to control heating temperature.
It is equipped with insulation tube on each power supply line in the present embodiment, to guarantee the safety of device.
Case study on implementation 2
Please refer to Fig. 5 and Fig. 6, pond body 1, end cap 2,3- sealing ring, the infrared optical entrance of 4-, the infrared optical emission exit of 5-, 6-
Air inlet, the gas outlet 7-, heater 8, insulating layer 9, thermocouple 10, cooling water pipeline 11 are identical with case study on implementation 1.
Bracket 12 connects with the wall surface of pond body 1, and can take out from pond body 1；Sample cell 19 is placed on bracket 12, is used for
Place the sample 17 of sheet.High-field electrode 14 and grounding electrode 18 are fixed on the insulating layer 13 on bracket 12, and suspension is set respectively
In 19 two sides of sample cell, two electrodes are connected with conductive nut 21, for being connect by conducting bolt 22 with high voltage power supply and ground wire.
High-field electrode 14 is furnished with 2 needle points, and two needle point spacing 5mm, two needle point central points are aligned with 17 center of sample, high-field electrode 14 and
The distance of sample 17 is 4mm, and grounding electrode 18 is 2mm at a distance from sample 17.It two high-field electrodes 14, grounding electrode 18 and leads
Completely cut off between electric nut 21 and bracket 12 with insulating layer 13, to guarantee that electrode does not discharge externally when using.Conducting bolt 22 passes through
1 upper wall of pond body, by being threadedly engaged, uses insulating layer between 1 upper wall of pond body and conducting bolt 21 with the conductive nut 21 on bracket 12
Isolation.
When test, high-field electrode 14 is connect by conductive nut 21, conducting bolt 22 with high voltage power supply, and grounding electrode 18 is logical
Cross conductive nut 21, conducting bolt 22 is connect with ground wire.
When high-field electrode 14 is subject to high-voltage electricity, grounding electrode ground connection, two interelectrode gases can be ionized by high voltage electric field,
Will persistently there be plasma between two-stage, provide plasma environment for the detection of active sites.High-field electrode 14 and ground connection
Electrode 18 is all made of metal material with good conductivity and is made, such as copper, aluminium, steel.
It is equipped with insulation tube on each power supply line in the present embodiment, to guarantee the safety of device.
When device works, the sheet of light-permeable is made in sample 17, is placed on sample cell 19, by the heating of heater 8, is taken out very
The methods of sky pre-processes sample 17.Then absorption cell is set to required temperature, sample 17 is heated to institute by heater 8
The temperature condition needed, air inlet 6 access required gas and maintain atmospheric condition, connect high voltage power supply, high-field electrode 14 and ground connection
Electric discharge is generated between electrode 18, endlessly generates action of plasma on sample 17, infrared spectrometer issues infrared
Examine light from the 4 directive sample 17 of infrared optical entrance of device, because of the different functional groups or chemical bond above sample 17
The infrared light of different frequency can be absorbed, so the infrared light after transmission catalyst sample can carry the functional group of sample surfaces
With chemical key information, being linked into spectrometer after the injection of infrared optical emission exit 5 can be detected out sample 17 in plasma condition
Under functional group and the substances sex character such as chemical bond.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
Centainly refer to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be any
One or more embodiment or examples in can be combined in any suitable manner.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art are not departing from the principle of the present invention and objective
In the case where can make changes, modifications, alterations, and variations to the above described embodiments within the scope of the invention.
Claims (10)
1. the transmission cell for infrared absorption of catalyst activity position under a kind of real-time detection action of plasma, which is characterized in that including
Pond body (1) and end cap (2)；
It is sealed at the pond body (1) and end cap (2) cooperation by sealing ring (3), pond body (1) and end cap (2) form in closed
Hollow structure；
It is provided with heating device outside the pond body (1), is provided with insulating layer (9) outside heating device；
The pond body (1) is internally provided with high-field electrode (14) and grounding electrode (18), after energization, high-field electrode (14) and ground connection
Electrode discharges between (18), generates action of plasma on sample to be processed (17)；
Infrared optical entrance (4) and infrared optical emission exit (5) are offered on the end cap (2), infrared equipment issues infrared light warp
Infrared optical entrance (4) irradiates after entering and then projects from infrared optical emission exit (5) on sample (17) in process.
2. the transmission cell for infrared absorption of catalyst activity position under real-time detection action of plasma according to claim 1,
It is characterized in that, the high-field electrode (14) is set by pond body insulating layer (23) and pond body (1) insulation with grounding electrode (18)
It sets, wherein high-field electrode (14) is L-shaped structure, and high-field electrode (14) needle point face sample (17), the another side of sample (17) is just
To grounding electrode (18).
3. the transmission cell for infrared absorption of catalyst activity position under real-time detection action of plasma according to claim 2,
It is characterized in that, being provided with 1~4 needle point, 2~8mm of spacing between needle point, and needle point centre bit on the high-field electrode (14)
Set alignment sample (17) center.
4. the transmission of catalyst activity position is red under real-time detection action of plasma according to any one of claims 2 to 3
Outer absorption cell, which is characterized in that the high-field electrode (18) is 1~10mm, grounding electrode (18) and sample with sample (17) distance
Product (17) 1~5mm of distance.
5. the transmission of catalyst activity position is red under real-time detection action of plasma according to any one of claims 2 to 3
Outer absorption cell, which is characterized in that the high-field electrode (14) and grounding electrode (18) pass through conductive nut (21), conductive spiral shell respectively
Bolt (22) is connect with high voltage power supply, ground wire.
6. the transmission cell for infrared absorption of catalyst activity position under real-time detection action of plasma according to claim 1,
It is characterized in that, sample (17) setting is in sample cell (19)；Cooling water pipeline is additionally provided with inside the pond body (1)
(11)。
7. the transmission cell for infrared absorption of catalyst activity position under real-time detection action of plasma according to claim 1,
It is characterized in that, being provided with air inlet (6), gas outlet (7) on the pond body (1) and being connected with thermocouple meter (10).
8. the transmission cell for infrared absorption of catalyst activity position under real-time detection action of plasma according to claim 1,
It is characterized in that, insulating layer (13) is two, it is oppositely arranged up and down, places high-field electrode (14) in an insulating layer (13), separately
Grounding electrode (18) are placed in one insulating layer (13), high-field electrode (14) and grounding electrode (18) are separately positioned on different exhausted
In edge layer (13), and insulating layer (13) are extended in one end of high-field electrode (14) and low-field electrode (18)；High-field electrode (13)
Be provided between low-field electrode (18) medium (16), and medium (16) is contacted with low-field electrode (18), high-field electrode (13) with
The quartz spacer (15) with a thickness of 0.1~0.8mm is provided between medium (16), sample (17) is arranged under high-field electrode (13)
Side, and sample (17) is contacted with medium (16), sample upper end is contacted with high-field electrode.
9. the transmission cell for infrared absorption of catalyst activity position under real-time detection action of plasma according to claim 8,
It is characterized in that, high-field electrode (14) and grounding electrode (18) are the metal plate with a thickness of 0.1~3mm, high-field electrode (14) with
The medium (16) that optical quartz piece is constituted is placed between grounding electrode (18), high-field electrode (14) and grounding electrode (18) are wrong up and down
Position is placed, and there are the gaps of 2~10mm in-between.
10. the transmission according to catalyst activity position under the described in any item real-time detection action of plasma of claim 8 to 9 is red
Outer absorption cell, which is characterized in that the high-field electrode (14) passes through high-field electrode lead (10), conductive nut (21), conductive spiral shell
Bolt (22) is connected with high voltage power supply；Conducting bolt (22) one terminates high voltage power supply, and one end passes through pond body (1) upper wall and conductive nut
(21) by being threadedly engaged, completely cut off between pond body (1) upper wall and conducting bolt (22) with pond body insulating layer (23)；Grounding electrode
(18) it is grounded by grounding electrode lead (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910682900.1A CN110376132A (en) | 2019-07-26 | 2019-07-26 | The transmission cell for infrared absorption of catalyst activity position under a kind of real-time detection action of plasma |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910682900.1A CN110376132A (en) | 2019-07-26 | 2019-07-26 | The transmission cell for infrared absorption of catalyst activity position under a kind of real-time detection action of plasma |
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| CN110376132A true CN110376132A (en) | 2019-10-25 |
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| CN201910682900.1A Pending CN110376132A (en) | 2019-07-26 | 2019-07-26 | The transmission cell for infrared absorption of catalyst activity position under a kind of real-time detection action of plasma |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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