CN1321548C - Touch glow-discharge plasma generating apparatus - Google Patents
Touch glow-discharge plasma generating apparatus Download PDFInfo
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- CN1321548C CN1321548C CNB2004100105705A CN200410010570A CN1321548C CN 1321548 C CN1321548 C CN 1321548C CN B2004100105705 A CNB2004100105705 A CN B2004100105705A CN 200410010570 A CN200410010570 A CN 200410010570A CN 1321548 C CN1321548 C CN 1321548C
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- electrode
- plasma generating
- negative electrode
- anode
- carbon rod
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- Water Treatment By Electricity Or Magnetism (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Plasma Technology (AREA)
Abstract
The present invention provides a device for contacting glow discharge plasma. The device leads a plurality of anode beams to be connected in parallel; the anode beams and cathodes are combined to form a plasma brush. Discharge spots are more, and a discharge zone is large, which leads the current of the whole device to be enhanced. The degradation efficiency is effectively raised, and the capacity of processing sewage is strong. Simultaneously, the present invention has the advantages of simple structure, convenient operation and low price. The present invention is suitable for industrialization.
Description
Technical field
The present invention relates to a kind of plasma producing apparatus, relate in particular to a kind of contacting glow plasma device.
Background technology
At present, plasma technique to be being widely used in fields such as metallurgy, chemical industry, and its application in water technology is more outstanding.But utilize contacting glow to produce the plasma generator of plasma, generally form by the anode platinum electrode and the carbon rod negative electrode of a Gent system, though but this device produces the organic pollution in the plasma induced degradation water body under suitable condition, but because region of discharge is little, so the ability of disposing of sewage is relatively poor, owing to have only a point of discharge, whole device electric current is low, is unwell to industrialization simultaneously.
Summary of the invention
The purpose of this invention is to provide the contacting glow plasma generating means that a kind of point of discharge is many, region of discharge big, the ability of disposing of sewage is strong.
Purpose of the present invention can realize by following measure:
A kind of contacting glow plasma generating means comprises electrode holder, negative electrode and anode, and described electrode holder is a teflon rod, and the centre of one end is inserted with the negative electrode carbon rod that exposes, and the end of negative electrode carbon rod is the graphite cathode of sheet; Described electrode holder is inserted with the anode platinum electrode that exposes at the periphery that is inserted with negative electrode carbon rod one end, and the protruded length of anode platinum electrode is less than the length of negative electrode carbon rod; Described anode platinum electrode by the lead parallel connection after outside the extraction electrode carrier.
Described electrode holder is a cylinder, and described graphite cathode is discoid.
Described anode platinum electrode is a platinum filament, and by the quartz ampoule sealing, an end exposes outside the quartz ampoule, and the other end connects lead.
Described anode platinum electrode is at least 6, and by the lead parallel connection.
The present invention compared with prior art has the following advantages:
1, the present invention is together in parallel some anode beams, and combines formation plasma " brush " with negative electrode, and point of discharge is many, and region of discharge is big, and the electric current of whole device is strengthened, and has effectively improved degradation efficiency, and the ability of disposing of sewage is strong.
2, the present invention is simple in structure, easy to operate, cheap, is suitable for industrialization.
Description of drawings
Fig. 1 is an external structure schematic diagram of the present invention
Fig. 2 is an internal structure schematic diagram of the present invention
Embodiment
The contacting glow plasma generating means comprises electrode holder, negative electrode and anode, and wherein electrode holder 1 is cylindrical teflon rod, 6 centimetres of diameters, and height can be got according to actual needs.It is 1.3 centimetres hole that the centre of one end is inserted with out an internal diameter, inserts negative electrode carbon rod 2 in the hole, and making carbon rod length outside carrier is 3-7 centimetre; Connecting thickness in the carbon rod lower end is 0.5-2 centimetre, and diameter 3-6 centimetre discoid graphite flake 3 constitutes the flake graphite negative electrode.Along circumference apart from section edges 1 centimeters of teflon rod 1, open six diameters and be 0.6 centimetre hole, insertion anode platinum electrode 4 each hole in, and anode platinum electrode 4 exposes 0.5-1 centimetre in the lower end of carrier 1.Platinum electrode 4 is to be that 0.5 millimeter platinum filament inserts long more than 2 centimetres with diameter, 0.5 millimeter of internal diameter, in the quartz ampoule that external diameter is 0.6 centimetre, one end exposes quartz ampoule 0.5-1 millimeter, seal in the contact position with quartz ampoule, the other end connects lead and constitutes, described anode platinum electrode 4 by the lead parallel connection after outside the extraction electrode carrier 1.In carrier 1 upper end, with the parallel connection of six roots of sensation positive wire, on carbon rod 2, connect cathode wire, with exposed lead sealing, draw cathode line and anode line, then with reference to Fig. 1, Fig. 2.
Concrete effect of the present invention can obtain proof from following realization data:
60 minutes COD value of plasma " brush " degraded 250ml 80mg/L alizarin red aqueous solution (medium is the metabisulfite solution of 2g/L) changed the same solution C OD value variation of degrading compares in the identical time with single electrode.
Experiment one, control voltage are 500 volts, use single electrode and plasma " brush " degraded 250ml80mg/L alizarin red aqueous solution (medium is the metabisulfite solution of 2g/L) 60 minutes respectively, the COD value of this solution reduces to 59.2 and 32.2 respectively by undegradable 75.2 as a result.
Experiment two, control voltage are 520 volts, use single electrode and plasma " brush " degraded 250ml80mg/L alizarin red aqueous solution (medium is the metabisulfite solution of 2g/L) 60 minutes respectively, the COD value of this solution reduces to 55.2 and 29.8 respectively by undegradable 75.2 as a result.
Experiment three, control voltage are 550 volts, use single electrode and plasma " brush " degraded 250ml80mg/L alizarin red aqueous solution (medium is the metabisulfite solution of 2g/L) 60 minutes respectively, the COD value of this solution reduces to 47.7 and 27.3. respectively by undegradable 75.2 as a result.
Experiment four, control voltage are 580 volts, use single electrode and plasma " brush " degraded 250ml80mg/L alizarin red aqueous solution (medium is the metabisulfite solution of 2g/L) 60 minutes respectively, the COD value of this solution reduces to 44.6 and 17.5 respectively by undegradable 75.2 as a result.
Experiment five, control voltage are 600 volts, use single electrode and plasma " brush " degraded 250ml80mg/L alizarin red aqueous solution (medium is the metabisulfite solution of 2g/L) 60 minutes respectively, the COD value of this solution reduces to 40.1 and 5.2 respectively by undegradable 75.2 as a result.
By experimental result as can be seen, plasma " brush " all has higher degradation efficiency under different voltages.
Claims (4)
1, a kind of contacting glow plasma generating means, comprise electrode holder, negative electrode and anode, it is characterized in that: described electrode holder (1) is a teflon rod, the centre of one end is inserted with the negative electrode carbon rod (2) that exposes, and the end of negative electrode carbon rod (2) is the graphite cathode (3) of sheet; Described electrode holder (1) is inserted with the anode platinum electrode (4) that exposes at the periphery that is inserted with negative electrode carbon rod (2) one ends, and the protruded length of anode platinum electrode (4) is less than the length of negative electrode carbon rod (2); Described anode platinum electrode (4) by the lead parallel connection after outside the extraction electrode carrier (1).
2, contacting glow plasma generating means as claimed in claim 1 is characterized in that: described electrode holder (1) is a cylinder, and described graphite cathode (3) is discoid.
3, contacting glow plasma generating means as claimed in claim 1 or 2 is characterized in that: described anode platinum electrode (4) is a platinum filament, and by the quartz ampoule sealing, an end exposes outside the quartz ampoule, and the other end connects lead.
4, contacting glow plasma generating means as claimed in claim 1 or 2 is characterized in that: described anode platinum electrode (4) is at least 6, and by the lead parallel connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100105705A CN1321548C (en) | 2004-12-28 | 2004-12-28 | Touch glow-discharge plasma generating apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100105705A CN1321548C (en) | 2004-12-28 | 2004-12-28 | Touch glow-discharge plasma generating apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1642383A CN1642383A (en) | 2005-07-20 |
| CN1321548C true CN1321548C (en) | 2007-06-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100105705A Expired - Fee Related CN1321548C (en) | 2004-12-28 | 2004-12-28 | Touch glow-discharge plasma generating apparatus |
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| CN (1) | CN1321548C (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103241806B (en) * | 2013-05-27 | 2015-06-24 | 苏州科技学院 | Method for treating organic wastewater through high-frequency and high-voltage discharge and reactor thereof |
| CN104994673B (en) * | 2015-06-29 | 2018-04-17 | 河北大学 | In a kind of generation air ambient under atmospheric pressure homogeneous plasma brush apparatus and method |
| CN105115959B (en) * | 2015-07-09 | 2017-11-07 | 西北师范大学 | The liquid phase cathodic discharge plasma spectrometry rapid detection system and detection method of metallic element |
| CN105223485B (en) * | 2015-09-25 | 2018-06-08 | 南昌理工学院 | Laser plasma glow discharge experimental rig |
| CN106006758B (en) * | 2016-05-20 | 2017-07-18 | 西北师范大学 | One kind prepares nanometer Fe using waste iron wire3O4Method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1990004852A1 (en) * | 1988-10-27 | 1990-05-03 | Battelle Memorial Institute | Hollow electrode plasma excitation source |
| SU1637033A1 (en) * | 1988-04-12 | 1991-03-23 | Истринский Филиал Всесоюзного Электротехнического Института Им.В.И.Ленина | Method for firing a heavy-current glow discharge |
| CN1021100C (en) * | 1988-02-05 | 1993-06-02 | 株式会社半导体能源研究所 | Plasma processing method and apparatus |
| CN2577436Y (en) * | 2002-09-30 | 2003-10-01 | 哈尔滨工业大学 | Apparatus for injecting ions onto inner surface of tubular workpiece using high-voltage glow-discharge |
-
2004
- 2004-12-28 CN CNB2004100105705A patent/CN1321548C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1021100C (en) * | 1988-02-05 | 1993-06-02 | 株式会社半导体能源研究所 | Plasma processing method and apparatus |
| SU1637033A1 (en) * | 1988-04-12 | 1991-03-23 | Истринский Филиал Всесоюзного Электротехнического Института Им.В.И.Ленина | Method for firing a heavy-current glow discharge |
| WO1990004852A1 (en) * | 1988-10-27 | 1990-05-03 | Battelle Memorial Institute | Hollow electrode plasma excitation source |
| CN2577436Y (en) * | 2002-09-30 | 2003-10-01 | 哈尔滨工业大学 | Apparatus for injecting ions onto inner surface of tubular workpiece using high-voltage glow-discharge |
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| Publication number | Publication date |
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| CN1642383A (en) | 2005-07-20 |
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Granted publication date: 20070613 Termination date: 20100128 |