CN207797033U - A kind of anode for double medium air source plasma burners - Google Patents
A kind of anode for double medium air source plasma burners Download PDFInfo
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- CN207797033U CN207797033U CN201721523375.1U CN201721523375U CN207797033U CN 207797033 U CN207797033 U CN 207797033U CN 201721523375 U CN201721523375 U CN 201721523375U CN 207797033 U CN207797033 U CN 207797033U
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- anode
- cathode
- double medium
- spout
- air source
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Abstract
The utility model is related to a kind of anodes for double medium air source plasma burners, including burner shell and anode, can replace conventional ion bar spark ignition and traditional combustion gas altar lamp so that sparking mode is easier；Effectively solve the problems, such as that burning leads to carbon distribution to conventional gas altar lamp for a long time；It can be in the higher consumption with part chemical energy alternative electric energy of flame temperature, reduce power consumption 30% ~ 40%, it can effectively solve the problems, such as that conventional cathode arcing is unstable using anode arcing, it can play the role of the rectified action to gas, steady combustion is played to the part of double medium plasma burner fuel combustions.
Description
Technical field
The utility model belongs to plasma combustion technology field, and in particular to a kind of direct current arcing skill of plasma burner
Art, more particularly to a kind of anode for double medium air source plasma burners.
Background technology
The arc-plasma that DC arc plasma generator generates be research with it is most widely used it is a kind of it is equal from
Daughter, it has the characteristics that high temperature, high braised, high-energy density and atmosphere are controllable, be currently used primarily in plasma metallurgy, etc.
At ionomer spray, plasma welding, plasma etching, firepower power station plasma coal dust ignition of the boiler and waste rubbish
The fields such as reason.Commercial Application, which not only requires nothing more than arc plasma generator, has high stability, high efficiency and the spy of long-life
Point, and the requirement of industry-by-industry plasma jet stream Electrothermal Properties also differs.And the characteristic of plasma jet with etc.
The structure of plasma generator anode is closely related.It can be obtained when the same plasma generator is using different anode constructions
To different in flow rate, different temperature fields plasma jets.The nozzle of cylindrical channel is easy to generate the higher subsonic speed of temperature
Jet stream, and velocity of sound even ultrasonic jet stream is can get similar to the shrinkage expansion shape nozzle of Laval configuration, this is in certain rows
It is applied in industry such as spraying, Metal Cutting industry, the anode of different structure is applied to different occasions.
Therefore, how to design a kind of can realize that stability is high, the wide DC arc plasma burner of applicability
Anode becomes the problem of this field urgent need to resolve.
Utility model content
The utility model in view of the deficiencies of the prior art, provides a kind of sun for double medium air source plasma burners
Pole can replace conventional ion bar spark ignition and traditional combustion gas altar lamp so that sparking mode is easier；Effectively solution
The problem of certainly long-term burning of conventional gas altar lamp leads to carbon distribution；It can be in the higher part chemical energy of flame temperature
The consumption of alternative electric energy reduces power consumption 30% ~ 40%, it is unstable can effectively to solve conventional cathode arcing using anode arcing
Problem can play the role of the rectified action to gas, and steady combustion is played to the part of double medium plasma burner fuel combustions.
To solve the above problems, the technical solution adopted in the utility model is：
A kind of anode for double medium air source plasma burners, double medium air source plasma burner packets
It includes：Cathode channel pipe, air duct, blast tube, two cathode channel pipes are separately positioned on air duct, blast tube
Inside, the cathode channel pipe end are provided with cathode, which is characterized in that the anode includes that be disposed through it internal whole
Body necking, air port, combustion gas spout and premix spout, wherein：
The entirety necking is located at one end of the anode, in the horizontal direction air port disposed in parallel, combustion gas spout
With premix notch setting in the other end of the anode, the air port, combustion gas spout and premix spout and the whole contracting
Mouth is connected；
The air port, combustion gas spout are correspondingly arranged with the air duct, blast tube respectively, described the moon after energization
Electric arc is formed between pole and anode, and the dielectric gas being passed through is ionized into gaseous conductor.
Further, the whole necking includes mounting portion and choke, and the mounting portion is fixed with burner shell to be connected
Connect, it is described entirety necking small necking be mounting portion internal diameter size 70% ~ 90%, necking length be mounting portion length 40% ~
60%。
Further, the mounting portion is connect by insulating sleeve with burner shell end；Anode outer wall is provided with absolutely
Edge layer.
Further, the air port and the combustion gas spout be provided with passway and scaling mouth, the passway and
The length ratio of the scaling mouth is 1:6~1:9, diameter ratio is 1:1~1:3.
Further, the premix spout is necking type spray orifice, and the maximum gauge of the premix spout is the passway
The 1/3 ~ 2/3 of diameter, minimum diameter are the 1/2 ~ 4/5 of maximum gauge, the length and air, combustion gas spout phase of the premix spout
Together.
Further, the cathode channel pipe is hollow tube, for making cathode wire pass through the tube channel and described the moon
It welds pole；The cathode is connect by insulating sleeve with the cathode channel pipe.
Further, the anode material is red copper.
Further, positive wire is welded by burner casing and anode, and the positive wire material is red copper.
Further, which is characterized in that the gap between the anode and the cathode is 3 ~ 5mm.
Further, the air dielectric gas in the air duct is air or compressed air, in the blast tube
Gas medium gas be natural gas or other alkanes gases.
The beneficial effects of the utility model are：
（1）It can replace conventional ion bar spark ignition and traditional combustion gas altar lamp so that sparking mode is simpler
Just, effectively solve the problems, such as that burning leads to carbon distribution to conventional gas altar lamp for a long time；
（2）Power consumption can be reduced in the higher consumption with part chemical energy alternative electric energy of flame temperature
30%~40%；
（3）It can effectively solve the problems, such as that conventional cathode arcing is unstable, can play to the whole of gas using anode arcing
Stream acts on, and plays the role of steady combustion to the part of double medium plasma burner fuel combustions.
Description of the drawings
Fig. 1 is the double medium air source DC arc plasma burner anode construction figures of the utility model.
Fig. 2 is the double medium air source DC arc plasma burner overall structure figures of the utility model.
Fig. 3 is the double medium air source DC arc plasma burner anode construction sectional views of the utility model.
Wherein, 1, anode arcing area 2, air port 3, premix spout 4, combustion gas spout 5, cathode channel pipe 6, empty
Gas import 7, air duct 8, cooling water inlet 9, burner casing 10, cathode 11, anode 12, fuel gas inlet 13, combustion gas
Channel 14, cooling water outlet.
Specific implementation mode
In order to enable those skilled in the art to better understand the technical solutions of the present invention, with reference to specific embodiment
The utility model is described in further detail.
One side according to the present utility model, the utility model provide a kind of for double medium air source plasma combustions
The anode of burner, as shown in figures 1 and 3, the anode 11 include whole necking, the air port for being disposed through components interior
2, combustion gas spout 3 and premix spout 2, wherein the entirety necking is located at one end of the anode, is arranged in parallel in the horizontal direction
Air port, combustion gas spout and premix notch setting in the other end of the anode, the air port 2,4 and of combustion gas spout
Premix spout 3 is connected with the whole necking；The air port 2, combustion gas spout 4 respectively with the air duct 7, combustion gas
Channel 13 is correspondingly arranged respectively, and electric arc is formed between the cathode and anode after energization, and the dielectric gas being passed through is ionized into conduction
Gas.
As shown in Fig. 2, in general, double medium air source plasma burners include mainly：Burner shell and
Anode, the burner shell include being arranged in internal cathode channel pipe 5, air duct 7, blast tube 13, the cathode
Tube channel 5 is separately positioned on air duct 7, blast tube inside 13, and 5 end of cathode channel pipe is provided with cathode 10.It is situated between
Matter gas is entered in the channel that cathode sleeve is formed with air hose and gas pipe respectively by air intlet and Imported gas,
Then power on, the cathode at the slype that the cathode in air pipe line intersects with anode at this time and in gas pipeline
At the slype intersected with anode, electric arc is formed, dielectric gas will be ionized to by electric arc as gaseous conductor, and then handle
Electric energy is converted into the thermal energy of working gas, and working gas temperature extremely increases, and maximum temperature reaches 3000 DEG C or more, and being capable of shape
At stable brilliant white flame；After plasma flame is stablized, by the proportioning and arcing voltage that adjust air and combustion gas
Power, adjustment makes combustion gas and air partial ionization, and another part combustion gas sprays after being premixed by anodes centre hole with air,
Due to plasma flame extreme temperatures, coal gas and air are sufficiently mixed rear moment and are ignited, and can form stable flame, combustion
Material ignition temperature is mixed with plasma makes flame temperature control at 2500 ~ 3000 DEG C or so.
A kind of double medium air source direct current arcing plasma burners of the utility model as a result, can replace tradition from
Sub bar spark ignition and traditional combustion gas altar lamp so that sparking mode is easier；Effectively solve conventional gas altar lamp
The problem of long-term burning leads to carbon distribution；Can in the higher consumption with part chemical energy alternative electric energy of flame temperature,
Power consumption 30% ~ 40% is reduced, can effectively solve the problems, such as that conventional cathode arcing is unstable using anode arcing, can be played pair
The rectified action of gas plays the role of steady combustion to the part of double medium plasma burner fuel combustions.
Specific implementation mode according to the present utility model, the anode are provided with whole necking, institute in gas direction of flow
It includes mounting portion and choke to state whole necking, and the mounting portion with the burner shell for being fixedly connected, in this practicality
In novel specific embodiment, mounting portion and burner shell, which pass through, installs casing connection, it is preferred that the entirety necking it is small
Necking is the 70% ~ 90%, preferably 80% of mounting portion internal diameter size, and necking length is the 40% ~ 60% of mounting portion length, preferably
50%。
Specific implementation mode according to the present utility model, the mounting portion are connected by insulating sleeve and burner shell end
It connects, anode outer wall is provided with insulating layer.
Specific implementation mode according to the present utility model, air port 2 is consistent with the specification of combustion gas spout 3, in addition to this
Other special requirements are had no, are obtained through multiple Commissioning Analysis, it is preferred that the air port and the combustion gas spout are provided with
The length ratio of passway and scaling mouth, the passway and the scaling mouth is 1:6~1:9, preferably 1:8, diameter ratio is 1:1~
1:3, preferably 1；2.
Specific implementation mode according to the present utility model, the premix spout are necking type spray orifice, in addition to this have no it
He particularly requires, and is obtained through multiple Commissioning Analysis, it is preferred that the maximum gauge of the premix spout is the passway diameter
1/3 ~ 2/3, preferably 1/2, minimum diameter be maximum gauge 1/2 ~ 4/5, preferably 4/5, it is described premix spout length
It is consistent with air, combustion gas spout.
Specific implementation mode according to the present utility model, the cathode channel pipe is hollow tube, for making cathode wire wear
It crosses the tube channel to weld with the cathode, the cathode is connect by insulating sleeve with the cathode channel pipe.
The connection type of specific implementation mode according to the present utility model, positive wire and anode, the material of positive wire
And have no special requirements, in specific embodiment of the utility model, it is preferred that positive wire passes through burner casing and anodic bonding
It connects, the positive wire material is red copper.
Specific implementation mode according to the present utility model, at burner outlet, the gap between anode and cathode cannot be too big,
Gap too conference causes resistance too big, and working gas is caused to be not easy to be ionized, and to form flame to be difficult to, it is preferred that described
Gap between anode and the cathode is 3 ~ 5mm.
Specific implementation mode according to the present utility model, the air dielectric gas in the air duct are air or compression
Air, the gas medium gas in the blast tube are natural gas or other alkanes gases.
Embodiment one
Two cathodes are separately mounted to one end of respective cathode channel pipe as shown in Figure 2, cathode channel pipe is hollow tube,
It is that cathode wire is passed through tube channel that it, which is acted on, is then welded into cathode, and cathode passes through an insulating sleeve with cathode channel pipe
It links together；The anode is mounted on burner end, and is also to be connected by insulating sleeve between them, combustion gas sun
The outside wall surface of pole is equipped with insulating layer, is contacted with gas passage for completely cutting off, and prevents coal gas from detonation occurs.
Anode uses outer diameter for 40mm, and air port uses consistent structure, scaling mouth size difference with combustion gas spout
For length 3mm, 24mm；A diameter of 5mm, 10mm, premix jet size are length 27mm, maximum gauge 2.5mm, and necking is straight
Diameter is 2mm, and it is 30mm that direction of flow, which installs internal diameter size, length 40mm, and first necking size diameter of direction of flow is
24mm, length 32mm.
Cathode wire is welded together by cathode channel and two cathodes；Positive wire passes through burner casing and anodic bonding
It is connected to together；Dielectric gas enters cathode sleeve by air intlet and Imported gas respectively and air hose and coal gas are tubular
At channel in, then power on, at the slype that the cathode in air pipe line intersects with anode at this time and natural gas
At the slype that cathode in pipeline intersects with anode, electric arc is formed, dielectric gas will be ionized to lead by electric arc
Electrical body, and then electric energy is converted into the thermal energy of working gas, working gas temperature extremely increases, and maximum temperature reaches 3000 DEG C
More than, and stable brilliant white flame can be formed；After plasma flame is stablized, by the proportioning for adjusting air and combustion gas
And the power of arcing voltage, adjustment makes combustion gas and air partial ionization, and another part combustion gas passes through anodes centre with air
It is sprayed after the premix of hole, due to plasma flame extreme temperatures, coal gas and air are sufficiently mixed rear moment and are ignited, and can be formed
Stable flame, fuel combustion temperature is mixed with plasma makes flame temperature control at 2500 ~ 3000 DEG C or so.
The use of voltage is 70V in specific experiment, the use of electric current in the case where experimental gas is argon gas is 150A.
Experimental result shows that the structure can complete the plasma combustion of double medium fuel and chemistry of fuel burning is combined
Combustion system, in experimentation the starting the arc facilitate stabilization, the power that the plasma after burning provides is 15kw, chemistry of fuel burning
The power of offer is 10kw, and the temperature after burning is about 2700 DEG C, and service life is about 40h, disclosure satisfy that double medium fuel etc.
The required technological requirement of ion burner.
Air port and combustion gas jet size are adjusted, increasing structure proportion experimentation, anode necking end scaling loss occur fast
Situation, usage time 5h；It is 3kw to reduce the power that structure proportion chemical fuel provides, and plasma provides 16kw, cannot meet
The requirement of double medium fuel heat supplies.
It can prove that optimum structure is set as air port and combustion gas spout in scaling mouth arrangement, length side by experiment
It is 1 to ratio:8, scaling diameter ratio is 1:2, the premix spout is necking type spout, and maximum gauge is the air port or combustion
The 1/2 of gas blowout mouth, necking export 4/5 that most path is maximum diameter, and length is equal with scaling mouth overall length, first contracting of direction of flow
It is a whole necking at mouthful, the entirety necking is that direction of flow installs the 80% of internal diameter size, and necking length is direction of flow
The 50% of installation length size.
A kind of anode for double medium air source plasma burners of the utility model in summary can replace passing
System ion bar spark ignition and traditional combustion gas altar lamp so that sparking mode is easier；It is long effectively to solve conventional gas
Bright lamp is burnt for a long time the problem of leading to carbon distribution；It can be in higher the disappearing with part chemical energy alternative electric energy of flame temperature
Consumption reduces power consumption 30% ~ 40%, can effectively solve the problems, such as that conventional cathode arcing is unstable using anode arcing, Ke Yiqi
To the rectified action to gas, play the role of steady combustion to the part of double medium plasma burner fuel combustions.
A kind of anode for double medium air source plasma burners provided by the utility model is carried out above
It is discussed in detail, the principle and implementation of this application are described for embodiment used herein, and above example is said
It is bright to be merely used to help understand the present processes and its core concept；Meanwhile for those of ordinary skill in the art, foundation
The thought of the application, there will be changes in the specific implementation manner and application range, in conclusion the content of the present specification is not
It is interpreted as the limitation to the application.
Claims (10)
1. a kind of anode for double medium air source plasma burners, double medium air source plasma burner packets
It includes：Cathode channel pipe, air duct, blast tube, two cathode channel pipes are separately positioned on air duct, blast tube
Inside, the cathode channel pipe end are provided with cathode, which is characterized in that the anode includes that be disposed through it internal whole
Body necking, air port, combustion gas spout and premix spout, wherein：
The entirety necking is located at one end of the anode, in the horizontal direction air port disposed in parallel, combustion gas spout and in advance
Mixed notch setting is in the other end of the anode, the air port, combustion gas spout and premix spout and the whole necking phase
Connection；
The air port, combustion gas spout are correspondingly arranged with the air duct, blast tube respectively, after energization the cathode with
Electric arc is formed between anode, and the dielectric gas being passed through is ionized into gaseous conductor.
2. the anode according to claim 1 for double medium air source plasma burners, which is characterized in that described whole
Body necking includes mounting portion and choke, and the mounting portion is fixedly connected with burner shell, the small necking of the entirety necking
It is the 70% ~ 90% of mounting portion internal diameter size, necking length is the 40% ~ 60% of mounting portion length.
3. the anode according to claim 2 for double medium air source plasma burners, which is characterized in that the peace
Dress portion is connect by insulating sleeve with burner shell end；Anode outer wall is provided with insulating layer.
4. the anode according to claim 1 for double medium air source plasma burners, which is characterized in that the sky
Gas blowout mouth and the combustion gas spout are provided with passway and scaling mouth, and the passway and the length ratio for scaling mouth are 1:6~
1:9, diameter ratio is 1:1~1:3.
5. the anode according to claim 4 for double medium air source plasma burners, which is characterized in that described pre-
Mixed spout is necking type spray orifice, and the maximum gauge of the premix spout is the 1/3 ~ 2/3 of the passway diameter, and minimum diameter is
The length of the 1/2 ~ 4/5 of maximum gauge, the premix spout is identical as air, combustion gas spout.
6. the anode according to claim 1 for double medium air source plasma burners, which is characterized in that described the moon
Pole tube channel is hollow tube, for making cathode wire that the tube channel be passed through to be welded with the cathode；The cathode passes through insulation
Casing is connect with the cathode channel pipe.
7. the anode according to claim 1 for double medium air source plasma burners, which is characterized in that the sun
Pole material is red copper.
8. the anode according to claim 1 for double medium air source plasma burners, which is characterized in that anode is led
Line is welded by burner casing and anode, and the positive wire material is red copper.
9. the anode according to claim 1 for double medium air source plasma burners, which is characterized in that the sun
Gap between pole and the cathode is 3 ~ 5mm.
10. the anode according to claim 1 for double medium air source plasma burners, which is characterized in that described
Air dielectric gas in air duct is air or compressed air, and the gas medium gas in the blast tube is natural gas
Or other alkanes gases.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721523375.1U CN207797033U (en) | 2017-11-15 | 2017-11-15 | A kind of anode for double medium air source plasma burners |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721523375.1U CN207797033U (en) | 2017-11-15 | 2017-11-15 | A kind of anode for double medium air source plasma burners |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207797033U true CN207797033U (en) | 2018-08-31 |
Family
ID=63285679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721523375.1U Expired - Fee Related CN207797033U (en) | 2017-11-15 | 2017-11-15 | A kind of anode for double medium air source plasma burners |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207797033U (en) |
-
2017
- 2017-11-15 CN CN201721523375.1U patent/CN207797033U/en not_active Expired - Fee Related
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Effective date of registration: 20190121 Granted publication date: 20180831 |
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| PD01 | Discharge of preservation of patent |
Date of cancellation: 20220921 Granted publication date: 20180831 |
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| PD01 | Discharge of preservation of patent | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180831 |
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| CF01 | Termination of patent right due to non-payment of annual fee |