CN108151537B - A kind of multi-layer composite electrode and manufacturing method - Google Patents
A kind of multi-layer composite electrode and manufacturing method Download PDFInfo
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- CN108151537B CN108151537B CN201711340397.9A CN201711340397A CN108151537B CN 108151537 B CN108151537 B CN 108151537B CN 201711340397 A CN201711340397 A CN 201711340397A CN 108151537 B CN108151537 B CN 108151537B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
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Abstract
The present invention provides a kind of multi-layer composite electrode and manufacturing method, wherein multi-layer composite electrode includes: electrode matrix；The electrode matrix includes furnace body inner segment, and the furnace body inner segment is cylindrical hollow configuration, and the side wall of the furnace body inner segment is in microcellular structure, and corrosion-resistant metal is filled in the micropore of the side wall of the furnace body inner segment for playing a protective role to the furnace body inner segment.Microcellular structure is arranged by the side wall of the furnace body inner segment in electrode matrix in a kind of multi-layer composite electrode provided by the invention and manufacturing method, and the combination of corrosion-resistant metal and matrix can be allowed even closer reliable；By filling corrosion-resistant metal in the micropore of the side wall of furnace body inner segment, metal and furnace body inner segment can be made uniformly to combine；By the combination of furnace body inner segment and metal, fine and close boundary layer can be formed, so as to play the role of closed protective to matrix, greatly improves the corrosion resistance of electrode.
Description
Technical field
The present invention relates to vacuum drying oven electrode technology fields, more particularly, to a kind of multi-layer composite electrode and manufacturing method.
Background technique
In a vacuum furnace, electrode is used to introduce three-phase low-voltage power supply inside vacuum drying oven, in furnace interior, electrode and high temperature
Heater be directly connected to, play conductive and carrying heater element weight function, be one of core component of vacuum drying oven.
Due to needing guiding through metal furnace body and insulating layer in electrode connection furnace and outside furnace.Firstly, the ring thin in vacuum gas
Under border, easily causes and play arc short circuit, so usually often taking insulation measures on the path that it is passed through.Secondly the intracorporal pollution of furnace
Object can reduce the insulation performance of insulating element, cause to play arc short circuit.
Demand with development in science and technology and aerospace industry to vacuum drying oven, gaseous phase deposition stove and high purity graphite purification furnace use
It is more and more.Wherein due to the particularity of cvd furnace, conductive carbon can be deposited on insulating element, caused under its insulation performance
Arc failure is played in drop, generation.And high purity graphite purification furnace need to be passed through the high corrosive gas such as chlorine, and its technical process generates again
The strong corrosives gas such as HCl, HF, there is strong corrosiveness to electrode.Once perforation leak enters burner hearth high-temperature region to electrode
It will cause major accident.In addition, the metallic compound chronic pollution burner hearth that corrosion generates, causes current vacuum drying oven widely used
Electrode and its insulating porcelain piece service life are short, and service intervals shorten, and cause furnace outage time to increase, utilization rate of equipment and installations is low, has raised society
Cost also affects scientific research progress.
Electrode in existing vacuum drying oven there is a problem of perishable mostly.
Summary of the invention
The present invention provide a kind of electrode overcome the problems, such as in existing vacuum drying oven exist mostly it is perishable or at least partly
A kind of multi-layer composite electrode and manufacturing method that ground solves the above problems.
According to the first aspect of the invention, a kind of multi-layer composite electrode is provided, which includes: electrode matrix；The electricity
Pole matrix includes furnace body inner segment, and the furnace body inner segment is cylindrical hollow configuration, and the side wall of the furnace body inner segment is in microcellular structure,
Corrosion-resistant metal is filled in the micropore of the side wall of the furnace body inner segment for playing a protective role to the furnace body inner segment.
On the basis of above scheme, ceramic coating is set in the outer surface of the furnace body inner segment.
On the basis of above scheme, the electrode matrix further include: furnace body outer segment and thread segment；The furnace body outer segment and
The thread segment is connected with the both ends of the furnace body inner segment respectively, and screw thread is arranged in the outer surface of the thread segment.
On the basis of above scheme, the side wall of the furnace body outer segment is in microcellular structure；In the side wall of the furnace body outer segment
Micropore in filling corrosion-resistant metal for playing a protective role to the furnace body outer segment；In the outer surface of the furnace body outer segment
Ceramic coating is set.
On the basis of above scheme, the side wall of the thread segment is in microcellular structure；The thread segment side wall it is micro-
Corrosion-resistant metal is filled in hole for playing a protective role to the thread segment.
On the basis of above scheme, the material of the electrode matrix includes: red copper.
On the basis of above scheme, the corrosion-resistant metal includes: nickel or zinc.
According to the second aspect of the invention, a kind of multi-layer composite electrode manufacturing method is provided, this method comprises: in electrode base
Microcellular structure is arranged in the side wall of body；Corrosion-resistant metal is filled in the micropore of the side wall of the electrode matrix, for described
Electrode matrix plays a protective role；In the outer surface of the electrode matrix, ceramic coating is set.
On the basis of above scheme, the side wall setting microcellular structure in electrode matrix is specifically included: by the electricity
Preformed electrode matrix is made in the raw material and volatile organic compound of pole matrix after evenly mixing；To the preformed electrode matrix into
Row heating, the volatile organic compound volatilize from the preformed electrode matrix, obtain the electrode matrix.
Corrosion-resistant metal tool is filled on the basis of above scheme, in the micropore of the side wall in the electrode matrix
Body includes: to penetrate into corrosion-resistant metal in vapour form in the micropore of the electrode matrix side wall under hyperbaric environment, make institute
It states electrode matrix and metal forms closed compound entirety.
A kind of multi-layer composite electrode provided by the invention and manufacturing method pass through the side wall of the furnace body inner segment in electrode matrix
Microcellular structure is set, the combination of corrosion-resistant metal and matrix can be allowed even closer reliable；Pass through the side wall in furnace body inner segment
Corrosion-resistant metal is filled in micropore, and metal and furnace body inner segment can be made uniformly to combine；Pass through the knot of furnace body inner segment and metal
It closes, fine and close boundary layer can be formed, so as to play the role of closed protective to matrix, greatly improve the corrosion resistance of electrode.
Detailed description of the invention
Fig. 1 is the structural schematic diagram according to a kind of multi-layer composite electrode of the embodiment of the present invention；
Fig. 2 is the diagrammatic cross-section according to a kind of multi-layer composite electrode of the embodiment of the present invention；
Fig. 3 is the structural schematic diagram according to a kind of multi-layer composite electrode of the embodiment of the present invention.
Description of symbols:
1-furnace body outer segment；2-furnace body inner segments；3-thread segments.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiments of the present invention will be described in further detail.Implement below
Example is not intended to limit the scope of the invention for illustrating the present invention.
The present embodiment provides a kind of multi-layer composite electrode according to the present invention, and with reference to Fig. 1, which includes: electrode matrix；Ginseng
Fig. 2 and Fig. 3 are examined, the electrode matrix includes furnace body inner segment 2, and the furnace body inner segment 2 is cylindrical hollow configuration, in the furnace body
The side wall of section 2 is in microcellular structure, and corrosion-resistant metal is filled in the micropore of the side wall of the furnace body inner segment 2 and is used for the furnace
Internal section 2 plays a protective role.
A kind of multi-layer composite electrode provided in this embodiment has preferable corrosion-resistant, resistant to pollution characteristic, main to be applicable in
In vacuum drying oven.
With reference to Fig. 3, the electrode matrix of the electrode mainly includes furnace body inner segment 2.When the electrode is in vacuum drying oven, furnace body
Inner segment 2 is the part inside vacuum drying oven burner hearth, and furnace body inner segment 2 is the key position of electrode, to the performance requirement at the position
It is higher.For general electrode, the hollow structure cylindrical of furnace body inner segment 2.
It is to improve the resistance to of furnace body inner segment 2 that the furnace body inner segment 2 of corrosion-resistant metal and electrode matrix, which is combined together,
Corrosivity.Different with the existing method by electrode matrix together with metal bonding, this electrode is first in the furnace body of electrode matrix
Section 2 is handled, and forms microcellular structure in the side wall of furnace body inner segment 2.
Microcellular structure is exactly that numerous micropore is dispersed in the side wall of furnace body inner segment 2, and the side wall of furnace body inner segment 2 is filled with
Micropore, micropore be uniformly distributed in the entire side wall of furnace body inner segment 2.The inside and surface of the side wall of furnace body inner segment 2 itself are equal
Microcellular structure is distributed with.
Then corrosion-resistant metal is filled in the micropore of the side wall of the furnace body inner segment 2.Concretely: to micropore
The furnace body inner segment 2 of structure carries out metal infiltration processing.Metal infiltration processing be exactly by metal as a vapor, i.e., in specific ring
Metallic vapour is generated under border, then in the present context, metallic vapour is uniformly penetrated into the numerous micropore on 2 side wall of furnace body inner segment
In.
Metallic vapour will be filled with the micropore on 2 side wall of furnace body inner segment, form compact entirety with furnace body inner segment 2, i.e.,
First compound entirety.It is non-porous on first compound whole side wall.Electrode matrix forms both corrosion-resistant in furnace body inner segment 2 and metal
Compact fine and close boundary layer again, can play the role of closed protective matrix.
Metal carries out infiltration processing in vapour form, and metal can be made to be distributed more uniform, metal in the side wall of furnace body inner segment 2
It is even closer with the combination of electrode matrix.
By the way that microcellular structure is arranged, metal is each micropore of filling, and metal is uniformly to divide in the side wall of furnace body inner segment 2
Cloth can make the furnace body inner segment 2 of matrix preferably be combined as a whole with metal, and matrix and metal uniform close combine to be formed
Fine and close boundary layer greatly improves the corrosion resistance of electrode so as to play the role of closed protective to matrix.
A kind of multi-layer composite electrode provided in this embodiment is arranged micro- by the side wall of the furnace body inner segment 2 in electrode matrix
Pore structure can allow the combination of corrosion-resistant metal and matrix even closer reliable；By in the micropore of the side wall of furnace body inner segment 2
Corrosion-resistant metal is filled, metal and furnace body inner segment 2 can be made uniformly to combine；It, can by the combination of furnace body inner segment 2 and metal
It forms fine and close boundary layer and greatly improves the corrosion resistance of electrode so as to play the role of closed protective to matrix.
On the basis of the above embodiments, further, ceramic coating is set in the outer surface of the furnace body inner segment 2.
The present embodiment has carried out further instruction based on the above embodiment, to the structure of electrode.The furnace body of electrode matrix
Inner segment 2 by and the combination of metallic vapour form the first compound entirety.Further, in the furnace body inner segment 2 for being filled with metal
Ceramic coating is arranged in i.e. first compound whole outer surface.
The first compound whole outer surface is formed by matrix and metal, and ceramic coating is set.Since ceramics inherently have
There is excellent insulation performance, and its contamination resistance is strong, anti-starting the arc ability is strong, long service life.Ceramics are more suitable for vacuum
The insulating element of furnace electrode.
Microcellular structure is set by the side wall in furnace body inner segment 2, first corrosion-resistant metal is filled in micropore, then in furnace
Ceramic coating is arranged in the outer surface of internal section 2, and ceramic coating also can partially penetrate into the micropore of 2 sidewall surfaces of furnace body inner segment, this
Sample can be such that furnace body inner segment 2, metal and ceramic coating combines even closer by microcellular structure.
Microcellular structure is set by the side wall in furnace body inner segment 2, makes between furnace body inner segment 2, metal and ceramics that there are one
The gap of fixed scalable expansion, in this way, furnace body inner segment 2, metal and ceramics will not be destroyed because thermal expansion coefficient is different
The structural stability of electrode can be improved in thermal stress.
Microcellular structure is set by the side wall in furnace body inner segment 2, can avoid matrix, metal and ceramics because of thermal expansion coefficient
Thermal stress damage caused by difference；Since the fusing point of ceramics is much higher than electrode matrix, the use temperature of composite ceramics electrode is big
It is big to improve；In addition, can make the outer surface of electrode that there is excellent insulation by the way that ceramic coating is arranged in compound whole outer surface
Performance, and the contamination resistance of electrode, anti-starting the arc ability can be improved, the service life of electrode is improved, and ceramic energy is fitted well
Answer high temperature corrosion environment.
On the basis of the above embodiments, further, with reference to Fig. 3, the electrode matrix further include: 1 He of furnace body outer segment
Thread segment 3；The furnace body outer segment 1 and the thread segment 3 are connected with the both ends of the furnace body inner segment 2 respectively, the thread segment 3
Screw thread is arranged in outer surface.
The present embodiment has carried out further instruction based on the above embodiment, to the structure of electrode matrix.The present embodiment institute
A kind of multi-layer composite electrode provided is mainly used in vacuum drying oven.For vacuum drying oven electrode, one end is located at the outside of furnace body, another
End is located at the inside of furnace body, and the other end is connected after entire furnace body with graphite electrode.
According to this, a kind of electrode matrix of multi-layer composite electrode provided in this embodiment is divided into three sections.It is respectively as follows: furnace
External section 1, furnace body inner segment 2 and thread segment 3.Furnace body outer segment 1, furnace body inner segment 2 and thread segment 3 along electrode matrix axial direction according to
It is secondary to connect.Furnace body outer segment 1 and thread segment 3 are located at the both ends of electrode matrix, and furnace body inner segment 2 is located at furnace body outer segment 1 and screw thread
Between section 3, positioned at the intermediate position of electrode matrix.
Furnace body outer segment 1 is the one end being located at outside furnace body.Furnace body inner segment 2 is positioned at furnace interior, across entire burner hearth
Position.Thread segment 3 is the one end being connected with graphite electrode.Screw thread is arranged in the outer surface of thread segment 3, this section protrudes into graphite electrode
Inside, and be connected by screw thread and graphite electrode.
Furnace body inner segment 2 is to be located at furnace interior, is mainly directly contacted with high temperature exothermic body, is easy contaminated and corrosion
Main portions.
Because the furnace body inner segment 2 of electrode matrix is position that is main contaminated and being corroded.Furnace body inner segment 2 is exposed to high temperature
In aggressive atmosphere, generation plays arc failure and also occurs in furnace body inner segment 2, therefore furnace body inner segment 2 is the key that entire water cooled electrode
Position.
And furnace body outer segment 1 because be in furnace body outside, use environment is relatively preferable, and general electrode structure can meet
Use steady in a long-term.Thread segment 3 is connected with graphite electrode, after being screwed into inside graphite electrode, also not with rugged environment
It contacts, environment locating for thread segment 3 comparatively seals and safety.
Therefore, can targetedly the different parts of electrode matrix be carried out with different processing.Only furnace body inner segment 2 can be carried out
Microcellular structure processing, in this way, electrode can be made to meet requirement, while can be reduced the amount of labour unnecessary, save the cost again.
It equally, can be only to corrosion-resistant metal be filled in the side wall of furnace body inner segment 2, thus only in furnace body inner segment 2 and metal
Form the first compound entirety.
Equally, ceramic coating only can be set in the outer surface of furnace body inner segment 2, ceramic coating is in the outer surface of furnace body inner segment 2
Play the role of insulation and it is resistant to pollution.
On the basis of the above embodiments, further, the side wall of the furnace body outer segment 1 is in microcellular structure；In the furnace
Filling corrosion-resistant metal is for playing a protective role to the furnace body outer segment 1 in the micropore of the side wall of external section 1；In the furnace
Ceramic coating is arranged in the outer surface of external section 1.
Microcellular structure processing, metal infiltration processing and setting pottery can also be carried out respectively in the furnace body outer segment 1 of electrode matrix
Porcelain coating, to improve the structural stability and corrosion resistance of furnace body outer segment 1.
On the basis of the above embodiments, further, the side wall of the thread segment 3 is in microcellular structure；In the screw thread
Filling corrosion-resistant metal is for playing a protective role to the thread segment 3 in the micropore of the side wall of section 3.
Microcellular structure processing and metal infiltration processing can also be carried out in the thread segment 3 of electrode matrix, to improve thread segment 3
Corrosion resistance.Because the needs of thread segment 3 are connected with graphite electrode, conductive effect is played, therefore do not have to setting pottery in thread segment 3
Porcelain coating.
On the basis of the above embodiments, further, the material of the motor matrix includes: red copper.
The present embodiment based on the above embodiment, is illustrated the material of electrode matrix.The electrode uses red copper conduct
Basic material, red copper have excellent Dao Re ﹑ ductility and corrosion resistance.By using red copper matrix, there is electrode good
Thermal conductivity, ductility and the corrosion resistance that electrode can be improved.
Further, the material of electrode matrix can also be other, can improve the corrosion resistance of electrode and be suitable as
For the purpose of electrode matrix, this is not construed as limiting.
On the basis of the above embodiments, further, the corrosion-resistant metal includes: nickel or zinc.
The present embodiment based on the above embodiment, is illustrated the material of used corrosion-resistant metal.Nickel and zinc
With good plasticity and corrosion resistance.It can be used as filling metal to be filled in the micropore of electrode matrix side wall, for electricity
Pole matrix plays a protective role and improves the corrosion resistance of electrode matrix.
Used corrosion-resistant metal can not also limit this for the purpose of with preferable corrosion resistance for other
It is fixed.
On the basis of the above embodiments, further, the present embodiment provides a kind of multi-layer composite electrode according to the present invention
Manufacturing method, this method comprises: microcellular structure is arranged in the side wall in electrode matrix；In the micropore of the side wall of the electrode matrix
Corrosion-resistant metal is filled, for playing a protective role to the electrode matrix；In the outer surface of the electrode matrix, pottery is set
Porcelain coating.
The present embodiment based on the above embodiment, provides a kind of manufacturing method of multi-layer composite electrode.
Microcellular structure is set in the side wall of electrode matrix first.Make the side wall of electrode matrix full of equally distributed micropore.
Then corrosion-resistant metal is filled in the micropore of electrode matrix side wall, makes electrode matrix and the fine and close boundary layer of metal bonding,
The corrosion resistance of electrode matrix is played a protective role and improved to electrode matrix.Finally in the electrode matrix for being filled with metal
Ceramic coating is arranged in outer surface, to obtain multi-layer composite electrode provided in above-described embodiment.
Micropore knot is arranged by the side wall in electrode matrix in a kind of multi-layer composite electrode manufacturing method provided in this embodiment
Structure can allow metal and matrix and Ceramic bond closely reliable, while can avoid matrix, metal and ceramics again because thermal expansion is
Thermal stress damage caused by number is different, additionally due to the fusing point of ceramics is much higher than copper, the use temperature of composite ceramics electrode is big
It is big to improve；By that can make the outer surface of electrode that there is excellent insulation performance in compound whole outer surface setting ceramic coating,
And the contamination resistance of electrode, anti-starting the arc ability are improved, the service life of electrode is improved, and ceramic energy is well adapted for high temperature corruption
Corrosion environment.
On the basis of the above embodiments, further, in the process of the side wall setting microcellular structure of the electrode matrix
It include: that preformed electrode matrix is made in the raw material of the electrode matrix and volatile organic compound after evenly mixing；To described
Preformed electrode matrix is heated, and the volatile organic compound volatilizees from the preformed electrode matrix, obtains the electrode
Matrix.
The present embodiment based on the above embodiment, is illustrated the setting method of electrode matrix sidewall pores structure.It is micro-
The setting up procedure of pore structure is as follows: before the manufacture of electrode matrix, the raw material of electrode matrix and volatile organic compound are equal
Even mixing.The raw material and volatile organic compound of electrode matrix are solid powdery.
It is that the raw material of the electrode matrix of solid powdery and volatile organic compound preferably more uniform can be blended in
Together.Mixture is fired later or other techniques together, preformed electrode matrix is made.The preformed electrode base obtained herein
Body is the mixture of the raw material and volatile organic compound by original required electrode matrix, the preformed electrode base being directly prepared into
The surface of body is not no pore structure.
Raw material needed for volatile organic compound refers to comparative electrode matrix, more volatile, more heat labile substance.
In general, the raw material of electrode matrix are metal, and for metal, general organic matter is easier to volatilize.
After obtaining preformed electrode matrix, it is heated, it is under high temperature environment, easy in preformed electrode matrix
Volatile organic matter is easier to heated volatilization.In volatile organic compound after all volatilizing in preformed electrode matrix,
Obtain the electrode matrix that surface has been uniformly distributed numerous micropore.
The size of micropore on the surface of electrode matrix with microcellular structure and initial used effumability are organic
The granular size of the solid powder of object is close.
The raw material and volatile organic compound of electrode matrix are dexterously utilized in the setting processing method of the microcellular structure
Volatilization complexity difference, it is hereby achieved that surface is uniformly distributed the electrode matrix of numerous micropore, this method operation
Simply, cost is relatively low, and success rate is higher, and the micropore distribution cause on the electrode matrix surface obtained is dense and uniform, is other methods
It is not easily accomplished.
Because the cause for the electrode matrix surface micropore that this method obtains is dense and uniform, so as to make electrode matrix and other gold
Category is preferably combined together, and corrosion resistant fine and close boundary layer is formed, to improve the performance and corrosion resistance of electrode.
On the basis of the above embodiments, further, it is filled in the micropore of the side wall in the electrode matrix resistance to
Corrosion metals specifically include: under hyperbaric environment, corrosion-resistant metal being penetrated into the electrode matrix side wall in vapour form
Micropore in, so that the electrode matrix and metal is formed closed compound entirety.
The present embodiment based on the above embodiment, carries out filling of the corrosion-resistant metal in electrode matrix sidewall pores
Explanation.Metal infiltration processing can be carried out to electrode matrix, i.e., penetrated into metal in electrode matrix surface micropore in vapour form.
Metal infiltration processing needs to carry out under hyperbaric environment, under hyperbaric environment, preferably metallic vapour can be made to penetrate into
In the micropore on electrode matrix surface, the progress of the process can be accelerated.Metal carries out infiltration processing in vapour form, metal can be made to exist
The surface distribution of electrode matrix is more uniform, and the combination of metal and electrode matrix is even closer.
Further, the corrosion-resistant metal includes: nickel or zinc.
The present embodiment based on the above embodiment, is illustrated used metal.The material of electrode matrix can be selected
Red copper, red copper have excellent Dao Re ﹑ ductility and corrosion resistance.Nickel or zinc have good plasticity and corrosion resistance.It adopts
The corrosion resistance of electrode can be improved with red copper matrix and nickel or zinc.Nickel or zinc and red copper matrix are combined together can be into one
Step improves the corrosion resistance of electrode matrix.
Further, the material of electrode matrix can also be other, with function admirable, suitable for electrode and with preferable
For the purpose of corrosion resistance.It to be other that integrated metal is formed in conjunction with motor matrix, integrally corrosion-resistant can improve electrode
For the purpose of property and structural stability.
Finally, the present processes are only preferable embodiment, it is not intended to limit the scope of the present invention.It is all
Within the spirit and principles in the present invention, any modification, equivalent replacement, improvement and so on should be included in protection of the invention
Within the scope of.
Claims (10)
1. a kind of multi-layer composite electrode characterized by comprising electrode matrix；The electrode matrix includes furnace body inner segment, described
Furnace body inner segment is cylindrical hollow configuration, the side wall of the furnace body inner segment is in microcellular structure, in the side wall of the furnace body inner segment
Corrosion-resistant metal is filled in micropore for playing a protective role to the furnace body inner segment.
2. multi-layer composite electrode according to claim 1, which is characterized in that pottery is arranged in the outer surface of the furnace body inner segment
Porcelain coating.
3. multi-layer composite electrode according to claim 1 or 2, which is characterized in that the electrode matrix further include: outside furnace body
Section and thread segment；The furnace body outer segment and the thread segment are connected with the both ends of the furnace body inner segment respectively, the thread segment
Screw thread is arranged in outer surface.
4. multi-layer composite electrode according to claim 3, which is characterized in that the side wall of the furnace body outer segment is in micropore knot
Structure；Corrosion-resistant metal is filled in the micropore of the side wall of the furnace body outer segment and is used to play the furnace body outer segment protection makees
With；In the outer surface of the furnace body outer segment, ceramic coating is set.
5. multi-layer composite electrode according to claim 3, which is characterized in that the side wall of the thread segment is in microcellular structure；
Corrosion-resistant metal is filled in the micropore of the side wall of the thread segment for playing a protective role to the thread segment.
6. multi-layer composite electrode according to claim 1 or 4 or 5, which is characterized in that the material packet of the electrode matrix
It includes: red copper.
7. multi-layer composite electrode according to claim 1 or 4 or 5, which is characterized in that the corrosion-resistant metal includes:
Nickel or zinc.
8. a kind of multi-layer composite electrode manufacturing method characterized by comprising
In the side wall of electrode matrix, microcellular structure is set；
Corrosion-resistant metal is filled in the micropore of the side wall of the electrode matrix, is made for playing protection to the electrode matrix
With；
In the outer surface of the electrode matrix, ceramic coating is set.
9. multi-layer composite electrode manufacturing method according to claim 8, which is characterized in that the side wall in electrode matrix
Setting microcellular structure specifically includes:
Preformed electrode matrix is made in the raw material of the electrode matrix and volatile organic compound after evenly mixing；
The preformed electrode matrix is heated, the volatile organic compound volatilizees from the preformed electrode matrix, obtains
Obtain the electrode matrix.
10. multi-layer composite electrode manufacturing method according to claim 8 or claim 9, which is characterized in that described in the electrode base
Corrosion-resistant metal is filled in the micropore of the side wall of body to specifically include:
Under hyperbaric environment, corrosion-resistant metal is penetrated into the micropore of the electrode matrix side wall in vapour form, is made described
Electrode matrix and metal form closed compound entirety.
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| JP2001264491A (en) * | 2000-03-14 | 2001-09-26 | Sumitomo Metal Ind Ltd | Treatment device for melting/solidifying and treatment method |
| CN103882426A (en) * | 2014-03-14 | 2014-06-25 | 四川理工学院 | Preparation method of light metal and alloy surface composite coating thereof |
| CN204400843U (en) * | 2014-12-31 | 2015-06-17 | 湖南金博复合材料科技有限公司 | High temperature furnace used electrode |
| CN204694048U (en) * | 2015-05-18 | 2015-10-07 | 西安建筑科技大学 | A kind of Water-cooled composite electrode for the production of mineral wool electric arc furnaces |
| CN106289168A (en) * | 2016-08-23 | 2017-01-04 | 苏州理欧电子科技有限公司 | The electrode mounting structure of obliquity sensor |
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2017
- 2017-12-14 CN CN201711340397.9A patent/CN108151537B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001264491A (en) * | 2000-03-14 | 2001-09-26 | Sumitomo Metal Ind Ltd | Treatment device for melting/solidifying and treatment method |
| CN103882426A (en) * | 2014-03-14 | 2014-06-25 | 四川理工学院 | Preparation method of light metal and alloy surface composite coating thereof |
| CN204400843U (en) * | 2014-12-31 | 2015-06-17 | 湖南金博复合材料科技有限公司 | High temperature furnace used electrode |
| CN204694048U (en) * | 2015-05-18 | 2015-10-07 | 西安建筑科技大学 | A kind of Water-cooled composite electrode for the production of mineral wool electric arc furnaces |
| CN106289168A (en) * | 2016-08-23 | 2017-01-04 | 苏州理欧电子科技有限公司 | The electrode mounting structure of obliquity sensor |
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