CN105979691A - Apparatus for modifying material surface performance by using non-thermal plasma technology - Google Patents
Apparatus for modifying material surface performance by using non-thermal plasma technology Download PDFInfo
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- CN105979691A CN105979691A CN201610365262.7A CN201610365262A CN105979691A CN 105979691 A CN105979691 A CN 105979691A CN 201610365262 A CN201610365262 A CN 201610365262A CN 105979691 A CN105979691 A CN 105979691A
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H1/00—Generating plasma; Handling plasma
- H05H1/24—Generating plasma
- H05H1/2406—Generating plasma using dielectric barrier discharges, i.e. with a dielectric interposed between the electrodes
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Abstract
The invention discloses an apparatus for modifying a material surface performance by using a non-thermal plasma technology. The apparatus comprises a cylindrical housing, a sealing cover installed at one end of the cylindrical housing, multi-interval slotting quartz plates fixed in the cylindrical housing, and a high-voltage electrode plate and a grounding electrode plate, wherein the high-voltage electrode plate and the grounding electrode plate are installed on the multi-interval slotting quartz plates. According to the apparatus, the surface physicochemical property of the solid material is modified by using high-energy electrons and active free radicals generated at high-voltage dielectric-barrier-discharge non-thermal plasma areas of two electrode plates based on collision, crosslinking, and reaction and the like. According to the invention, the apparatus can be widely applied to modification of surface physicochemical properties of various adsorbents, catalysts, and solid materials. On the basis of surface characteristics of the material application demands, modification can be carried out on solid material surfaces by adjusting pressures, dielectric barrier discharge spaces, atmospheres and discharge voltages, so that surface modification demands of different solid materials can be satisfied.
Description
Technical field
The present invention relates to the processing system of the material modified surface property of low-temperature plasma, especially a kind of dielectric barrier discharge
Cold plasma discharge module.
Background technology
Non-thermal plasma trap (Non-Thermal Plasma, NTP) is that one possesses multiple pollutant and combines removing
New technique, be considered most to develop one of pollutant removing technology with application potential by Chinese scholars.Low temperature etc.
Gas ions technology is one and integrates chemistry, discharge physics and the cross-synthesis technology of environmental science, has place
Reason system is simple, treatment effeciency is high, small investment, floor space are little, operating cost is low, technical process is dry type, does not has
Have equipment corrosion, there is not the advantages such as secondary pollution, be generally acknowledge in the world there is great market potential and application prospect
Flue gas pollutant New Process for Treatment, the research with corona discharge pulse and dielectric barrier discharge the most especially is the most active.
In recent years, plasma technique is in the application in the fields such as material science, biology, environmental science and chemical metallurgy
The most active, and have applications well in catalyst modification field.Low temperature plasma does not change the bulk of material
Characteristic and only affect the surface characteristic of material.Low temperature plasma can be to porous material surface physical chemistry as one
The novel method that matter is modified, has the advantages such as effect is notable, pollution-free in terms of material surface modifying.Therefore,
Low temperature plasma has good application prospect in terms of the surface modification of material.
Summary of the invention
Technical problem: the invention provides a kind of device utilizing the material modified surface property of non-thermal plasma trap, can
By regulation modified gas pressure, component, block media discharging distance, discharge voltage etc. produce different low temperature etc. from
Subfield region of discharge, intensity and active component etc., to adapt to different solid material surface modification needs.
Technical scheme: the device utilizing the material modified surface property of non-thermal plasma trap of the present invention, including one
Cylindrical housing, be arranged on described cylindrical housing one end seal lid, be fixed in cylindrical housing how spaced
Groove quartz plate, the electrode plate with high voltage being arranged on described many spacing fluting quartz plate and grounding electrode plate.
Further, in apparatus of the present invention, many spacing fluting quartz plate has parallel groove, two pieces of fluting quartz plates
Vertically symmetrical setting, electrode plate with high voltage and grounding electrode plate are all inserted in horizontal parallel groove.
Further, in apparatus of the present invention, in described electrode plate with high voltage, grounding electrode plate, equal level embeds one piece of T2
Copper plate is as discharge electrode.Copper plate therein uses T2 red copper to prepare, according to GB GB-T 5231-2001, pure
Copper is also known as red copper, and general T 2 red copper is No. two copper of fine copper, code name T2.
Further, in apparatus of the present invention, it is provided with air inlet on the upside of described cylindrical housing, sidewall is provided with
Gas outlet, arranges check valve in the exit of described air inlet, gas outlet.
Further, in apparatus of the present invention, the high-pressure side high pressure string holes that the upside of described cylindrical housing is provided with, under
The earth terminal high pressure string holes that side is provided with.
Further, in apparatus of the present invention, described cylindrical housing is quartz material, and sealing lid is polytetrafluoro material,
Both are connected with each other by screw thread.
In the preferred version of apparatus of the present invention, cylindrical housing is provided with air inlet, gas outlet, electrode plate with high voltage and connects
The high pressure string holes of ground electrode plate.At air inlet, gas outlet, check valve is set.Can create by being passed through the difference of gas
Make different atmospheres, produce different modified effects.
Described seal lid and cylindrical housing be connected by threaded, gasket seal to be used process at screw thread,
Ensure sealing when using.
Described many spacing fluting quartz plate is symmetrically arranged two pieces, uses the mode of welding to be connected with cylindrical housing
Get up.Level fluting is used for inserting electrode plate with high voltage, grounding electrode plate.
Described high and low pressure battery lead plate is the copper plate being embedded in certain size at quartz plate center, as electrode, it
Between quartz formed block media.Copper plate is connected with high voltage power supply by welding high-voltage line.Described High Level AC Voltage
Source (0-30kV, 20kHz) will provide energy between electrodes, after being regulated by pressure regulator, set up discharge channel.
Described electrode plate with high voltage, grounding electrode plate are to be horizontally inserted in the level trough of many spacing fluting quartz plate, make
Used time can be retracted to outside mouth, convenient placement modified sample.Can be according to different demand spacing, by grounding electrode plate
Insert in different grooves.The spacing of the device realizing dielectric barrier discharge low-temperature plasma modification material surface performance is adjusted
Joint.
Beneficial effect: the present invention compared with prior art, has the advantage that
Present invention application high voltage power supply, does electrode by power-on and power-off pole plate, produces plasma, is reacted by vibration etc.,
Realize the plasma modification to material surface performance.Structurally have employed airtight quartz cylinder shape shell, can be not
With surface property material modified under atmosphere, evacuation, it is also possible to realize the modification to material under different pressures；By
Insert electrode plate with high voltage and grounding electrode plate on many spacing fluting quartz plate, can under different spacing material modified superficiality
Energy.The conditions such as the power of low-temperature plasma modification, pressure, atmosphere, spacing are the key factors of the modified performance of impact,
To different materials, influence factor is different.The present invention not only can be determined by experiment optimal material modified surface property
Condition, it is also possible to realize optimal plasma according to different modified conditions modified.By changing dielectric barrier discharge
Spacing, modified atmospheres, modified power, modifier pressure etc., it is achieved the plasma modification under different operating modes, meet difference
Material plasma modification technology condition requirement.Before low temperature plasma has well application in terms of the surface modification of material
Scape, apparatus of the present invention have the advantages such as effect is notable, pollution-free in terms of material surface modifying.Such as: activated carbon exists
Through low-temperature plasma modification under oxygen atmosphere, there is higher mercury removal efficiency.
Accompanying drawing explanation
Fig. 1 is the perspective view of the present invention.
Fig. 2 is the side view schematic diagram of Fig. 1.
Fig. 3 is the front schematic view of Fig. 1.
Fig. 4 is the schematic top plan view of Fig. 1.
In figure: sealing lid 1, cylindrical housing 2, air inlet 3, high-pressure side high pressure string holes 4, high-pressure side high-voltage line 5,
Electrode plate with high voltage 6, gas outlet 7, grounding electrode plate 8, earth terminal high pressure string holes 9, earth terminal high-voltage line 10, many between
Away from fluting quartz plate 11, parallel groove 12.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with Figure of description, the present invention is done
Further illustrate.
According to Fig. 1-4, the device of the material modified surface property of non-thermal plasma trap of the present invention, including a quartz
The cylindrical housing 2 of material, and be disposed with in cylindrical housing 2: seal lid 1, many spacing fluting quartz plate
11, electrode plate with high voltage 6, grounding electrode plate 8；Cylindrical housing 2 side 1 is connected with sealing lid, seal lid 1 and
Being connected by of cylindrical housing 2 is threaded, and cylindrical housing 2 is quartz material, and sealing lid 1 is polytetrafluoro material
Material, and by the mutual airtight connection of screw thread.Fluting quartz plate 11 is symmetrically arranged two pieces, with cylindrical housing 2
The mode using welding connects.On fluting quartz plate 11, arrange parallel groove 12 according to pitch requirements, parallel recessed
Groove 12 is used for inserting electrode plate with high voltage 6, grounding electrode plate 8.Electrode plate with high voltage 6, grounding electrode plate 8 are that level is inserted
Enter in the parallel groove 12 of fluting quartz plate 11, can be retracted to outside mouth during use, convenient placement modified sample.
Grounding electrode plate can be inserted in different grooves, it is achieved dielectric barrier discharge low-temperature according to different demand spacing
The adjustability of the device of the material modified surface property of plasma technology.Electrode plate with high voltage 6, the equal level of grounding electrode plate 8
Embed one piece of copper plate, as high and low pressure electrode；High-voltage ac power is by the copper of high-voltage line with high and low pressure electrode
Plate is connected.Copper plate is connected with high voltage power supply by welding high-voltage line.Described high-voltage ac power (0-30kV,
20kHz) energy will be provided between electrodes, after being regulated by pressure regulator, set up discharge channel.Cylindrical housing
2 are provided with air inlet 3, gas outlet 7, the high pressure string holes 6 of electrode plate with high voltage, the high pressure string holes 9 of grounding electrode plate.
At air inlet 3, gas outlet 7, check valve is set.Different atmospheres can be created by being passed through the difference of gas,
Produce different modified effects.
When device uses, it would be desirable to modified solid material is uniformly positioned in grounding electrode plate, by high-field electrode with high
The HV Terminal of voltage source connects, ground electrode be connected with high voltage power supply low-voltage terminal after ground connection again, by regulating high-tension electricity
Source output voltage changes the energy injected, it is thus achieved that discharge plasma, it is achieved the plasma modification to sample.High-field electrode
Copper coin in plate 6 and grounding electrode plate 8 is T2 copper plate, and copper plate thickness is about 1mm, is embedded in plate center.
Sealing lid 1 is polytetrafluoro material, and is connected with cylindrical housing 2 by screw thread.Other parts are quartz material.
The sealing of device to be guaranteed, air inlet 3, gas outlet 7, the high pressure string holes 6 of electrode plate with high voltage, ground connection
The high pressure string holes 9 of battery lead plate all ensures to seal.Device both can realize pressure and the regulation of block media spacing, also
Different gas can be filled with, it is achieved the low-temperature plasma modification under different atmosphere.
Above-described embodiment is only the preferred embodiment of the present invention, it should be pointed out that: for the ordinary skill of the art
For personnel, under the premise without departing from the principles of the invention, it is also possible to make some improvement and equivalent, these are right
The claims in the present invention improve with equivalent after technical scheme, each fall within protection scope of the present invention.
Claims (6)
1. the device utilizing the material modified surface property of non-thermal plasma trap, it is characterized in that, this device includes a cylindrical housing (2), the sealing lid (1) being arranged on described cylindrical housing (2) one end, many spacing fluting quartz plate (11) being fixed in cylindrical housing (2), the electrode plate with high voltage (6) being arranged in described many spacing fluting quartz plate (11) and grounding electrode plate (8).
A kind of device utilizing the material modified surface property of non-thermal plasma trap the most according to claim 1, it is characterized in that: in described many spacing fluting quartz plate (11), have parallel groove (12), quartz plate (11) the vertically symmetrical setting of two pieces of flutings, electrode plate with high voltage (6) and grounding electrode plate (8) are all inserted in horizontal parallel groove.
A kind of device utilizing the material modified surface property of non-thermal plasma trap the most according to claim 1, it is characterised in that: in described electrode plate with high voltage (6), grounding electrode plate (8), equal level embeds one piece of T2 copper plate as discharge electrode.
A kind of device utilizing the material modified surface property of non-thermal plasma trap the most according to claim 1, it is characterized in that: described cylindrical housing (2) upside is provided with air inlet (3), it is provided with gas outlet (7) on sidewall, check valve is set in the exit of described air inlet (3), gas outlet (7).
A kind of device utilizing the material modified surface property of non-thermal plasma trap the most according to claim 1, it is characterized in that: high-pressure side high pressure string holes (4) that the upside of described cylindrical housing (2) is provided with, earth terminal high pressure string holes (9) that downside is provided with.
A kind of device utilizing the material modified surface property of non-thermal plasma trap the most according to claim 1, it is characterized in that: described cylindrical housing (2) is quartz material, sealing lid (1) is polytetrafluoro material, and both are connected with each other by screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610365262.7A CN105979691A (en) | 2016-05-26 | 2016-05-26 | Apparatus for modifying material surface performance by using non-thermal plasma technology |
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| CN201610365262.7A CN105979691A (en) | 2016-05-26 | 2016-05-26 | Apparatus for modifying material surface performance by using non-thermal plasma technology |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107018617A (en) * | 2017-03-16 | 2017-08-04 | 深圳市奥普斯等离子体科技有限公司 | A kind of material surface processing unit and method |
| CN107915226A (en) * | 2017-12-12 | 2018-04-17 | 浙江工商大学 | A kind of preparation method and device of hydrogen-free absorbent charcoal material |
| CN109370226A (en) * | 2018-10-24 | 2019-02-22 | 嘉兴市海德姆智能电气有限公司 | A kind of preparation method of electromagnetic shielding material |
| CN109887673A (en) * | 2018-12-27 | 2019-06-14 | 深圳市欧科力科技有限公司 | A kind of preparation method of composite conductive ceramic slurry |
| CN112312637A (en) * | 2019-08-02 | 2021-02-02 | 中国石油化工股份有限公司 | Plasma generator |
| FR3127099A1 (en) * | 2021-09-22 | 2023-03-24 | Sorbonne Universite | Device for the treatment of products of vegetable origin by a cold plasma |
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| CN2138651Y (en) * | 1992-09-04 | 1993-07-21 | 中央民族学院 | Surface modifying device for composite plasma material |
| CN101468281A (en) * | 2008-01-23 | 2009-07-01 | 邵光震 | Low-temperature plasma-discharge device for purifying hot gas |
| CN102337205A (en) * | 2011-09-27 | 2012-02-01 | 大连大学 | Novel bioreactor |
| CN104378900A (en) * | 2014-10-31 | 2015-02-25 | 大连民族学院 | Atmospheric pressure large-area uniform space plasma generating device |
| CN104640338A (en) * | 2015-02-01 | 2015-05-20 | 华南理工大学 | Remote control type dielectric barrier discharge electrode device and use method thereof |
| CN204583165U (en) * | 2015-02-05 | 2015-08-26 | 昆明理工大学 | For the parallel plate type reaction of low temperature plasma device of catalyst surface modification |
| CN105101603A (en) * | 2015-08-04 | 2015-11-25 | 昆山禾信质谱技术有限公司 | Dielectric barrier discharge plasma gas jet apparatus |
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| CN101468281A (en) * | 2008-01-23 | 2009-07-01 | 邵光震 | Low-temperature plasma-discharge device for purifying hot gas |
| CN102337205A (en) * | 2011-09-27 | 2012-02-01 | 大连大学 | Novel bioreactor |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107018617A (en) * | 2017-03-16 | 2017-08-04 | 深圳市奥普斯等离子体科技有限公司 | A kind of material surface processing unit and method |
| CN107915226A (en) * | 2017-12-12 | 2018-04-17 | 浙江工商大学 | A kind of preparation method and device of hydrogen-free absorbent charcoal material |
| CN109370226A (en) * | 2018-10-24 | 2019-02-22 | 嘉兴市海德姆智能电气有限公司 | A kind of preparation method of electromagnetic shielding material |
| CN109887673A (en) * | 2018-12-27 | 2019-06-14 | 深圳市欧科力科技有限公司 | A kind of preparation method of composite conductive ceramic slurry |
| CN112312637A (en) * | 2019-08-02 | 2021-02-02 | 中国石油化工股份有限公司 | Plasma generator |
| FR3127099A1 (en) * | 2021-09-22 | 2023-03-24 | Sorbonne Universite | Device for the treatment of products of vegetable origin by a cold plasma |
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Application publication date: 20160928 |
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