CN203225944U - Microwave liquid plasma generator - Google Patents
Microwave liquid plasma generator Download PDFInfo
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- CN203225944U CN203225944U CN 201320236298 CN201320236298U CN203225944U CN 203225944 U CN203225944 U CN 203225944U CN 201320236298 CN201320236298 CN 201320236298 CN 201320236298 U CN201320236298 U CN 201320236298U CN 203225944 U CN203225944 U CN 203225944U
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- microwave
- electrode
- input adapter
- inner wire
- outer conductor
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Abstract
The utility model discloses a microwave liquid plasma generator comprising a microwave discharge electrode, a fixing plate and a microwave input joint. The bottom end of the microwave discharge electrode is flexibly connected to the top end of the microwave input joint by the fixing plate. The microwave discharge electrode is composed of an electrode internal conductor, a ceramic tube and an electrode outer conductor axially paralleled from inside to outside. The ceramic tube is sleeved on the outer side wall of the electrode internal conductor. Silica gel is uniformly filled in a gap between the ceramic tube and the electrode outer conductor. The microwave input joint is composed of an input joint internal conductor, a sealing fixing block and an input joint outer conductor axially paralleled from inside to outside. The input joint internal conductor and the input joint outer conductor are in sealing connection via the sealing fixing block. The microwave liquid plasma generator is easy to detach and operate, the impedance of the discharge electrode can be adjusted by adjusting the length of the ceramic tube, and the impedance matching between the discharge electrode and a feed line is good.
Description
Technical field
The utility model relates to a kind of microwave liquid phase plasma generating means.
Background technology
Plasma is the 4th attitude that material exists, and is widely used in environmental protection and material and the field such as synthesizes because wherein containing the high energy active particle.The main mode of the plasma generation of traditional concept is gas physics discharges such as the glow discharge, arc discharge, the discharge of microwave gas phase in the gas phase, and in the gas phase discharge process, because plasma density is less, therefore limiting to some extent aspect pollutant processing and the chemical vapour deposition (CVD).Spatial distribution is big because microwave discharge plasma has, the higher relatively characteristics of density, be widely used in field such as plasma-deposited, but in microwave gas phase discharge process, if the content increase of water vapour is bigger, then very easily cancellation takes place in plasma, is restricted for the high water vapor application.In addition, the application of gas phase plasma in liquid phase is a domestic and international expert's of puzzlement major issue owing to there is gas-liquid conversion efficiency problem all the time.The lot of domestic and international expert made every effort to produce microwave plasma in liquid phase in recent years, thereby produce the plasma that has than large space distribution and higher density, and the plasma that produces in the liquid does not need the gas-liquid conversion, has higher application efficiency, but in the microwave discharge in water, designed sparking electrode should guarantee that microwave energy effectively injects liquid, will guarantee also that simultaneously near the field intensity of electrode enough punctures the liquid bubble of gasification, therefore, need to solve following two problems:
1, sparking electrode impedance and feed line impedance can be mated preferably, thereby reduce the reflection of microwave, guarantee that microwave energy effectively injects.
2, the microwave energy of input can be a large amount of injects liquid from the part, not only can make the liquid around the electrode be gasificated into bubble rapidly, and produced simultaneously field intensity can puncture bubble.
Summary of the invention
The utility model is at the proposition of above problem, realize coupling preferably and develop a kind of electrode impedance and feed line impedance of can guaranteeing, can guarantee that again near the field intensity the electrode enough punctures the liquid bubble of gasification, and then produce the microwave liquid phase plasma generating means of plasma.
Technological means of the present utility model is as follows:
A kind of microwave liquid phase plasma generating means comprises: microwave discharge electrode, fixed disk and microwave input adapter; Described microwave discharge electrode bottom flexibly connects by fixed disk and microwave input adapter top; Described microwave discharge electrode is made of successively from inside to outside electrode inner wire, earthenware and the electrode outer conductor of axially parallel; Described earthenware is sheathed on the electrode inner wire lateral wall; Evenly be filled with silica gel in the gap that has between described earthenware and the electrode outer conductor; Described earthenware top end is concordant with electrode inner wire top end and be higher than electrode outer conductor top end; Described microwave input adapter is made of successively from inside to outside input adapter inner wire, sealing and fixing piece and the input adapter outer conductor of axially parallel; Described input adapter inner wire is tightly connected by sealing and fixing piece and input adapter outer conductor; Described sealing and fixing piece is sheathed on the input adapter inner wire and interference fit with it; Described sealing and fixing piece has the annular projection portion that is embedded in the input adapter outer conductor sidewall; Described input adapter outer conductor sidewall is provided with the annular recess that matches with annular projection portion;
Further, described electrode inner wire is made by titanium metal material;
Further, described fixed disk center is provided with the tapped through hole that two ends screw in microwave discharge electrode and microwave input adapter respectively;
Further, described sealing and fixing piece adopts the polytetrafluoroethylene material; Also be provided with at least 4 fixing holes on the described fixed disk;
Further, end, described earthenware bottom is concordant with end, electrode outer conductor bottom; End, described electrode inner wire bottom is higher than end, earthenware bottom, and this electrode inner wire bottom connects input adapter inner wire top.
Owing to adopted technique scheme; a kind of microwave liquid phase plasma generating means that the utility model provides; adopt microwave discharge electrode and microwave input adapter to flexibly connect by fixed disk; the microwave discharge electrode screws in fixed disk with the tapped through hole that the microwave input adapter can utilize the fixed disk center to be provided with respectively and is connected; both be convenient to dismounting; also easy operating; make and change building block such as earthenware; electrode inner wires etc. are very convenient; by being arranged with earthenware on the electrode inner wire lateral wall; not only can be high temperature resistant; effectively protect the silica gel medium; prolong electrode life; save cost; and by regulating the length of earthenware; can realize that impedance is regulated to sparking electrode; the impedance matching property of sparking electrode and feeder line is better; thereby reduce the reflected energy of microwave; increase radiant; improve conductive performance; and the earthenware top end is concordant with electrode inner wire top end; guarantee that electrode inner wire and liquid contact surface are less; microwave energy can inject liquid in a large number from the part like this; make electrode liquid on every side be gasificated into bubble rapidly; produced simultaneously field intensity can puncture bubble; at the most advanced and sophisticated plasma that produces of electrode inner wire; thereby in liquid, produce a large amount of active particles; it is synthetic to be used for pollutant processing and material, the utility model flexible design; physical structure is simple; function admirable is suitable for extensive popularization.
Description of drawings
Fig. 1 is longitudinal sectional drawing of the present utility model;
Fig. 2 is the longitudinal sectional drawing of microwave discharge electrode described in the utility model;
Fig. 3 is the longitudinal sectional drawing of fixed disk described in the utility model;
Fig. 4 is the longitudinal sectional drawing of microwave input adapter described in the utility model.
Among the figure: 1, electrode inner wire, 2, earthenware, 3, silica gel, 4, the electrode outer conductor, 5, fixing hole, 6, fixed disk, 7, tapped through hole, 8, the input adapter inner wire, 9, the sealing and fixing piece, 10, the input adapter outer conductor, 11, screw thread.
Embodiment
A kind of microwave liquid phase plasma generating means as shown in Figure 1, Figure 2, Figure 3 and Figure 4 comprises: microwave discharge electrode, fixed disk 6 and microwave input adapter; Described microwave discharge electrode bottom flexibly connects by fixed disk 6 and microwave input adapter top; Described microwave discharge electrode is made of successively from inside to outside electrode inner wire 1, earthenware 2 and the electrode outer conductor 4 of axially parallel; Described earthenware 2 is sheathed on electrode inner wire 1 lateral wall; Evenly be filled with silica gel 3 in the gap that has between described earthenware 2 and the electrode outer conductor 4; Described earthenware 2 top ends are concordant with electrode inner wire 1 top end and be higher than electrode outer conductor 4 top ends; Described microwave input adapter is made of successively from inside to outside input adapter inner wire 8, sealing and fixing piece 9 and the input adapter outer conductor 10 of axially parallel; Described input adapter inner wire 8 is tightly connected by sealing and fixing piece 9 and input adapter outer conductor 10; Described sealing and fixing piece 9 is sheathed on the input adapter inner wire 8 and interference fit with it; Described sealing and fixing piece 9 has the annular projection portion that is embedded in input adapter outer conductor 10 sidewalls; Described input adapter outer conductor 10 sidewalls are provided with the annular recess that matches with annular projection portion; Further, described electrode inner wire 1 is made by titanium metal material; Described fixed disk 6 centers are provided with the tapped through hole 7 that two ends screw in microwave discharge electrode and microwave input adapter respectively; Described sealing and fixing piece 9 adopts the polytetrafluoroethylene material; Also be provided with at least 4 fixing holes 5 on the described fixed disk 6; End, described earthenware 2 bottom is concordant with end, electrode outer conductor 4 bottom; End, described electrode inner wire 1 bottom is higher than end, earthenware 2 bottom, and this electrode inner wire 1 bottom connects input adapter inner wire 8 tops; Described electrode outer conductor 4 is metal.
When using the utility model; the earthenware 2 of certain-length is closely overlapped live electrode inner wire 1; be inserted in the electrode outer conductor 4; inject silica gel 3 in the gap between earthenware 2 and electrode outer conductor 4; silica gel 3 is dried to and the microwave discharge electrode is screwed in the tapped through hole 7 that fixed disk 6 centers are provided with by screw thread 11 after solid-state; the microwave input adapter screws in from tapped through hole 7 other ends simultaneously; make electrode inner wire 1 and input adapter inner wire 8 join; the installing hole 5 that is provided with by fixed disk 6 can be installed in this device in any airtight reactor; the microwave input adapter is connected microwave generator by rectangular waveguide with feeder line; after microwave is produced by microwave generator; conduct to the microwave input adapter through rectangular waveguide and feeder line; imported by the microwave input adapter; between electrode inner wire and electrode outer conductor, conduct; most advanced and sophisticated because the injection of a large amount of microwave energies at the electrode inner wire; liquid is gasificated into bubble; there is powerful electric field around the electrode inner wire simultaneously; make the bubble of generation breakdown; produce plasma in electrode inner wire top; a kind of microwave liquid phase plasma generating means that the utility model provides; adopt microwave discharge electrode and microwave input adapter to flexibly connect by fixed disk; the microwave discharge electrode screws in fixed disk with the tapped through hole that the microwave input adapter can utilize the fixed disk center to be provided with respectively and is connected; both be convenient to dismounting; also easy operating; make and change building block such as earthenware; electrode inner wires etc. are very convenient; by being arranged with earthenware on the electrode inner wire lateral wall; not only can be high temperature resistant; effectively protect the silica gel medium; prolong electrode life; save cost; and change the earthenware dielectric constant by the length of regulating earthenware; and then influence insulation property between electrode inner wire and the electrode outer conductor; and then realize that impedance is regulated to sparking electrode; make the impedance matching property of sparking electrode and feeder line better; thereby reduce the reflected energy of microwave; increase radiant; improve conductive performance; and the earthenware top end is concordant with electrode inner wire top end; guarantee that electrode inner wire and liquid contact surface are less; microwave energy can inject liquid in a large number from the part like this; make electrode liquid on every side be gasificated into bubble rapidly; produced simultaneously field intensity can puncture bubble; at the most advanced and sophisticated plasma that produces of electrode inner wire; thereby in liquid, produce a large amount of active particles; it is synthetic to be used for pollutant processing and material; the utility model flexible design; physical structure is simple; function admirable is suitable for extensive popularization.
The above; it only is the preferable embodiment of the utility model; but protection range of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; be equal to replacement or change according to the technical solution of the utility model and inventive concept thereof, all should be encompassed within the protection range of the present utility model.
Claims (6)
1. a microwave liquid phase plasma generating means is characterized in that comprising: microwave discharge electrode, fixed disk (6) and microwave input adapter; Described microwave discharge electrode bottom flexibly connects by fixed disk (6) and microwave input adapter top; Described microwave discharge electrode is made of successively from inside to outside electrode inner wire (1), earthenware (2) and the electrode outer conductor (4) of axially parallel; Described earthenware (2) is sheathed on electrode inner wire (1) lateral wall; Evenly be filled with silica gel (3) in the gap that has between described earthenware (2) and the electrode outer conductor (4); Described earthenware (2) top end is concordant with electrode inner wire (1) top end and be higher than electrode outer conductor (4) top end; Described microwave input adapter is made of successively from inside to outside input adapter inner wire (8), sealing and fixing piece (9) and the input adapter outer conductor (10) of axially parallel; Described input adapter inner wire (8) is tightly connected by sealing and fixing piece (9) and input adapter outer conductor (10); Described sealing and fixing piece (9) is sheathed on input adapter inner wire (8) and goes up also interference fit with it; Described sealing and fixing piece (9) has the annular projection portion that is embedded in input adapter outer conductor (10) sidewall; Described input adapter outer conductor (10) sidewall is provided with the annular recess that matches with annular projection portion.
2. a kind of microwave liquid phase plasma generating means according to claim 1 is characterized in that described electrode inner wire (1) made by titanium metal material.
3. a kind of microwave liquid phase plasma generating means according to claim 1 is characterized in that described fixed disk (6) center is provided with the tapped through hole (7) that two ends screw in microwave discharge electrode and microwave input adapter respectively.
4. a kind of microwave liquid phase plasma generating means according to claim 1 is characterized in that described sealing and fixing piece (9) adopts the polytetrafluoroethylene material.
5. a kind of microwave liquid phase plasma generating means according to claim 1 is characterized in that also being provided with on the described fixed disk (6) at least 4 fixing holes (5).
6. a kind of microwave liquid phase plasma generating means according to claim 1 is characterized in that described earthenware (2) end, bottom is concordant with electrode outer conductor (4) end, bottom; Described electrode inner wire (1) end, bottom is higher than earthenware (2) end, bottom, and this electrode inner wire (1) bottom connects input adapter inner wire (8) top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320236298 CN203225944U (en) | 2013-05-03 | 2013-05-03 | Microwave liquid plasma generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320236298 CN203225944U (en) | 2013-05-03 | 2013-05-03 | Microwave liquid plasma generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203225944U true CN203225944U (en) | 2013-10-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320236298 Expired - Fee Related CN203225944U (en) | 2013-05-03 | 2013-05-03 | Microwave liquid plasma generator |
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| Country | Link |
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| CN (1) | CN203225944U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103269560A (en) * | 2013-05-03 | 2013-08-28 | 大连海事大学 | Microwave liquid phase plasma generator |
| CN105430860A (en) * | 2015-11-19 | 2016-03-23 | 大连海事大学 | Apparatus and method for generating microwave liquid plasma in direct coupling manner under atmospheric pressure |
-
2013
- 2013-05-03 CN CN 201320236298 patent/CN203225944U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103269560A (en) * | 2013-05-03 | 2013-08-28 | 大连海事大学 | Microwave liquid phase plasma generator |
| CN105430860A (en) * | 2015-11-19 | 2016-03-23 | 大连海事大学 | Apparatus and method for generating microwave liquid plasma in direct coupling manner under atmospheric pressure |
| CN105430860B (en) * | 2015-11-19 | 2018-03-20 | 大连海事大学 | Direct-coupling microwave liquid phase plasma generator and method under atmospheric pressure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131002 Termination date: 20140503 |