CN209608896U - A kind of insulated water-cooling electrode - Google Patents
A kind of insulated water-cooling electrode Download PDFInfo
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- CN209608896U CN209608896U CN201822169137.6U CN201822169137U CN209608896U CN 209608896 U CN209608896 U CN 209608896U CN 201822169137 U CN201822169137 U CN 201822169137U CN 209608896 U CN209608896 U CN 209608896U
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- electrode
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- insulated water
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Abstract
The utility model discloses a kind of insulated water-cooling electrodes, for electric heating furnace body, it includes the electrode body for being provided centrally with water cooling cavity, the electrode body includes main body and conehead, the main body is fixedly connected between conehead by linkage section, insulation sleeve is socketed with around the main body, the conehead is externally provided with conductor coatings, the linkage section is externally provided with insulating coating, the linkage section top loop is equipped with heat insulation loop and connect with furnace body, the ceramic pressure ring that is equipped with of the connection pars infrasegmentalis is connect with furnace body, and the insulation sleeve is connect through furnace body and with furnace sealing；By special pressure resistance insulation and water-cooling structure, the problems such as avoiding electrode material runaway corrosion, arcing, overheat.
Description
Technical field
The utility model relates to the manufacture of electric information electrode and processing technique field more particularly to a kind of insulated water-cooling electrodes.
Background technique
Insulated water-cooling electrode is a kind of to introduce electric current to a kind of device of electric heating element.It is electrothermal furnace connection furnace internal heat generation body
The port of component is the critical component for connecting heating element in furnace external power and furnace.Powerful power supply is needed through special knot
The electrode body of structure meets power requirement, generally require electrode can by the high current of 1000A or more, therefore should meet insulation,
Sealing and cooling three conditions.
General water cooled electrode adopts copper electrode structure, i.e. the electrode body copper electrode bar and copper electrode good using electric conductivity
Head.Copper electrode is generally used for the heating equipments such as the resistance furnace of vacuum, for high temperature and the higher reacting furnace electricity of purity requirement
Hot equipment, the oxidation on copper surface and the conductive insulation distance problem of copper are one of the key points of high prefect dielectric reacting furnace design,
The insulated water-cooling electrode of high prefect dielectric reacting furnace is with greater need for considering that influence of the oxidation to material of electrode body, electrode water cooling imitate
Fruit, electrode and furnace shell Insulation Problems etc. are distinguished larger in material requirement and structural requirement.
Solution has at present: in the way of electrode body body surface increase oxide coating, to prevent reduction from producing
The copper of middle electrode bar contact surface aoxidizes.For example, increasing material using conductive material silver at the end of copper electrode.Copper ontology increases material silver can
To use electroplating technology, the silver thickness of outer surface plating cannot be below 1mm, which will appear de- in actual use
It falls and damaged situation, and then leads to the reduction of electrode body conductivity, to be drawn in use process since electricity occur in conductivity issues
Arc phenomenon influences to produce.Phenomenon of arc discharge also makes electrode nigrescence pollution, need to can just continue to use after its surface is repaired in polishing,
But long-term repair causes electrode copper ontology thinning, and diameter becomes smaller, or even occurs the phenomenon that breakdown leak in use.Electrode simultaneously
Diameter, which becomes smaller, can make itself and adding thermal resistance poor contact, improve unstable factor in production.The surface of electrode bar is also after arcing
It will appear local calcination damage, cause copper ion to enter in high-purity furnace cavity since electric arc occurs to generate to gasify, directly affect life
The quality of product is produced, especially copper electrode exposed under strong acid environment is easily corroded, and causes the pollution of high-purity finished product.
In addition, in high-purity reacting furnace the Insulation Problems and overtemperatute of electrode and furnace shell be also required to special consideration should be given to.Work as temperature
Degree is more than after certain limit, it is possible to cause the problems such as variation of coating shedding and mechanical performance.Therefore, the insulation of electrode,
Cooling problem must take in and be calculated in the design process, with ensure electrode using safe.
Therefore, it is not easily to fall off and extend to need to improve a kind of electrode body coating for the insulated water-cooling electrode in high-purity reacting furnace
The electrode design manufacturing technology of electrode life, and need to improve the pressure-resistant insulation performance, cold of electrode by the technology of coating
But performance, to avoid that production efficiency is low, high purity product is pollution effect product quality.
Utility model content
In view of presently, there are above-mentioned deficiency, the utility model provides a kind of insulated water-cooling electrode, passes through special pressure resistance
Insulation and water-cooling structure, the problems such as avoiding electrode material runaway corrosion, arcing, overheat.
In order to achieve the above objectives, the embodiments of the present invention adopt the following technical scheme that
A kind of insulated water-cooling electrode is used for electric heating furnace body comprising be provided centrally with the electrode body of water cooling cavity, the electricity
Polar body includes main body and conehead, and the main body is fixedly connected between conehead by linkage section, and insulation is socketed with around the main body
Set, the conehead are externally provided with conductor coatings, and the linkage section is externally provided with insulating coating, and the linkage section top loop is equipped with heat insulation loop
It is connect with furnace body, the ceramic pressure ring that is equipped with of the connection pars infrasegmentalis is connect with furnace body, and the insulation sleeve is through furnace body and and furnace body
It is tightly connected.
According to the one aspect of the utility model, the main body includes and connect the straight section and connection power supply that pars infrasegmentalis connects
With the pipeline section of cooling water pipeline.
According to the one aspect of the utility model, the insulation sleeve is set in outside pipeline section and its underpart is connected with an insulation bottom
Seat, the insulator foot are connect by compression ring with furnace sealing.
According to the one aspect of the utility model, the insulation sleeve top is equipped with primary seal gasket and connect with furnace sealing.
According to the one aspect of the utility model, ceramic insulation ring is arranged with outside the straight section.
According to the one aspect of the utility model, time gasket seal is equipped between the ceramics pressure ring and furnace body.
According to the one aspect of the utility model, binder course is equipped between the conehead and conductor coatings, the conductor applies
Layer is fine silver powder or beryllium powder is spray coating made of raw material.
According to the one aspect of the utility model, binder course is equipped between the conehead and conductor coatings, the conductor applies
It is spray coating made of raw material that layer, which is the mixed-powder that fine silver powder or beryllium powder are combined with one or more ceramic powders,.
According to the one aspect of the utility model, binder course, the insulation are equipped between the linkage section and insulating coating
Coating is that pure ceramic powders are spray coating made of raw material.
According to the one aspect of the utility model, the insulated water-cooling electrode includes positive and cathode, described positive and negative
The electrode body lower body part of pole is connect with power supply fixture.
The advantages of the utility model is implemented: insulated water-cooling electrode described in the utility model is generally by positive and negative two electrode groups
At being connected by power supply fixture.Electrode assembly and furnace body cooperate, and electrode phosphor bodies and conehead are integrally connected, and conehead can be with heating
The cooperation of component auxiliary device.Electrode centers are provided with water cooling cavity, and cooling water, which is entered to flow back from bottom again after cavity by bottom, to flow
Out；Insulation sleeve is cased with around electrode body, can be insulated by primary seal pad and time gasket between insulation sleeve and furnace body with it is close
Envelope, gasket material can be using poly fourfluoroplastics, heat resistant rubber and extraordinary heat-stable ceramics etc..Electrode body is not direct with furnace body
Contact, so being insulation between electrode body and furnace body.It is fastened and is pressed by insulating nut in furnace body and electrode insulation casing part
Tight ring formation is fully sealed.For the insulating properties between intensifier electrode and furnace body, pottery is set at the top of hearth electrode casing
Porcelain insulating ring.It is to be manufactured with extraordinary heat-stable ceramic as ceramic insulation ring-, it is able to bear high-temperature baking, can extend electrode
Insulation distance between furnace body, to prevent electric discharge of the electrode to furnace bottom.It is high, pure that bond strength is sprayed on electrode Copper substrate
Degree is high, conducts electricity very well, environmental-friendly long-life silver or beryllium coating, can satisfy high-purity furnace body requirement, and guarantee structural
It can enhancing.For conduction and the insulation performance requirement of high temperature and pressure functional form electrode, sprayed in electrode copper matrix surface nonmetallic
Insulating materials increases electrode body and the contact fitting rate between conductor, avoids spark phenomenon, the pressure resistance for meeting high voltage electrode insulation is wanted
It asks, and impurity effect will not be brought to high purity product.
Detailed description of the invention
In order to illustrate more clearly of the technical scheme in the embodiment of the utility model, will make below to required in embodiment
Attached drawing is briefly described, it should be apparent that, the drawings in the following description are merely some embodiments of the present invention,
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings
Other attached drawings.
Fig. 1 is insulated water-cooling electrode structure schematic diagram described in the utility model；
Fig. 2 is electrode body coating structure schematic diagram described in the utility model.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
As depicted in figs. 1 and 2, a kind of insulated water-cooling electrode is used for electric heating furnace body comprising be provided centrally with water cooling cavity
13 electrode body, the electrode body include main body 1 and conehead 2, and the main body is fixedly connected between conehead by linkage section 3, institute
It states and is socketed with insulation sleeve 4 around main body, the conehead is externally provided with conductor coatings 21, and the linkage section is externally provided with insulating coating 33,
The linkage section top loop is equipped with heat insulation loop 31 and connect with furnace body 5, and the connection pars infrasegmentalis is equipped with ceramic pressure ring 32 and furnace body
Connection, the insulation sleeve are connect through furnace body and with furnace sealing.
In practical applications, the main body includes and connect the straight section 11 and connection power supply and cooling water pipe that pars infrasegmentalis connects
The pipeline section 12 in road 7.
In practical applications, the insulation sleeve is set in outside pipeline section and its underpart is connected with an insulator foot 42, described exhausted
Edge pedestal 42 is connect by compression ring 41 with furnace sealing.
In practical applications, the insulation sleeve top is equipped with primary seal gasket 43 and connect with furnace sealing.
In practical applications, ceramic insulation ring 6 is arranged with outside the straight section.
In practical applications, time gasket seal 44 is equipped between the ceramic pressure ring and furnace body.
In practical applications, binder course is equipped between the conehead and conductor coatings, the conductor coatings are fine silver powder
Or beryllium powder is spray coating made of raw material.
In practical applications, binder course is equipped between the conehead and conductor coatings, the conductor coatings are fine silver powder
Or the mixed-powder that beryllium powder is combined with one or more ceramic powders is spray coating made of raw material.
In practical applications, binder course is equipped between the linkage section and insulating coating, the insulating coating is pure ceramics
Powder is spray coating made of raw material.
In practical applications, the insulated water-cooling electrode includes anode and cathode, the electrode body master of the anode and cathode
Body lower part is connect with power supply fixture 8.
In an example of practical application, can have:
Insulated water-cooling electrode is made of positive and negative two electrodes, is connected by power supply fixture.Electrode assembly and furnace body cooperate,
Electrode phosphor bodies and conehead are integrally connected.Electrode centers are provided with water cooling cavity, and cooling water is entered after cavity by bottom again the bottom of from
Portion's reflux outflow.Insulation sleeve is cased with around electrode body, between insulation sleeve and furnace body can by primary seal pad and time gasket come
Insulation and sealing, gasket material can be using poly fourfluoroplastics, heat resistant rubber and extraordinary heat-stable ceramics.Electrode body does not have with furnace body
There is direct contact, so being insulation between electrode body and furnace body.It is fastened in furnace body and electrode casing part by insulating nut
Compression ring formation is fully sealed.For the insulating properties between intensifier electrode and furnace body, it is arranged at the top of hearth electrode casing
High-voltage isulation ring.It is to be manufactured with extraordinary heat-stable ceramic as high-voltage isulation ring-, it is able to bear high-temperature baking, can extend electricity
Insulation distance between pole and furnace body, to prevent electric discharge of the electrode to furnace bottom.The conehead of electrode body and electrode straight section one phase
Even, junction is ladder-like linkage section.The linkage section and conehead outer surface spraying coating material.Conehead first coating material is to lead
Body layer requires usually to use fine silver powder material or beryllium powder material according to conduction, is exhausted from second coating from conehead lower section connection ladder
Edge layer is made of pure ceramic powders.A kind of spray coating knot with insulation performance sprayed using pure ceramic powders
Structure, so that electrode pressure withstanding degree can reach 120000V or more.
In spray overcoat, also need to spray binder course, binder course and external coating between electrode matrix and external coating
Using be preheating to 100 DEG C to 1300 DEG C compression other (usually one of air, nitrogen, helium or argon gas or collection
Middle mixed gas), 0.5 to 5MPa pressure under, by spray gun be suitble to granularity raw material powder tell impact linkage section and
The outer surface of conehead so that material powder is plastically deformed in whole or in part, form that a kind of fine and close, bond strength is high and hardness very
High spray coating.
Two kinds of coatings have many advantages, such as surface hardness height, highly polished.
The outer surface of external coating also needs to be machined out or polishing treatment, forms size precisely and surface smoothness pole
High product.
First external coating is that fine silver powder is spray coating made of raw material.
First external coating is that the mixed-powder that fine silver powder is combined with one or more of ceramic powders is spray made of raw material
Coating.
The thickness range of external coating is 0.08mm~0.1mm.
Sprayed on material purity requirement >=99.99%, and on raw materials for production product without influence.
The bond strength of coating and matrix is not less than 30MPa.
The advantages of the utility model is implemented: insulated water-cooling electrode described in the utility model is generally by positive and negative two electrode groups
At being connected by power supply fixture.Electrode assembly and furnace body cooperate, and electrode phosphor bodies and conehead are integrally connected, and conehead can be with heating
The cooperation of component auxiliary device.Electrode centers are provided with water cooling cavity, and cooling water, which is entered to flow back from bottom again after cavity by bottom, to flow
Out；Insulation sleeve is cased with around electrode body, can be insulated by primary seal pad and time gasket between insulation sleeve and furnace body with it is close
Envelope, gasket material can be using poly fourfluoroplastics, heat resistant rubber and extraordinary heat-stable ceramics etc..Electrode body is not direct with furnace body
Contact, so being insulation between electrode body and furnace body.It is fastened and is pressed by insulating nut in furnace body and electrode insulation casing part
Tight ring formation is fully sealed.For the insulating properties between intensifier electrode and furnace body, pottery is set at the top of hearth electrode casing
Porcelain insulating ring.It is to be manufactured with extraordinary heat-stable ceramic as ceramic insulation ring-, it is able to bear high-temperature baking, can extend electrode
Insulation distance between furnace body, to prevent electric discharge of the electrode to furnace bottom.It is high, pure that bond strength is sprayed on electrode Copper substrate
Degree is high, conducts electricity very well, environmental-friendly long-life silver or beryllium coating, can satisfy high-purity furnace body requirement, and guarantee structural
It can enhancing.For conduction and the insulation performance requirement of high temperature and pressure functional form electrode, sprayed in electrode copper matrix surface nonmetallic
Insulating materials increases electrode body and the contact fitting rate between conductor, avoids spark phenomenon, the pressure resistance for meeting high voltage electrode insulation is wanted
It asks, and impurity effect will not be brought to high purity product.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, any those skilled in the art is in technical scope disclosed by the utility model, the change that can readily occur in
Change or replace, should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with described
Subject to scope of protection of the claims.
Claims (10)
1. a kind of insulated water-cooling electrode is used for electric heating furnace body comprising be provided centrally with the electrode body of water cooling cavity, feature exists
In the electrode body includes main body and conehead, and the main body is fixedly connected between conehead by linkage section, is covered around the main body
It is connected to insulation sleeve, the conehead is externally provided with conductor coatings, and the linkage section is externally provided with insulating coating, and the linkage section top loop is set
There is heat insulation loop to connect with furnace body, the ceramic pressure ring that is equipped with of the connection pars infrasegmentalis is connect with furnace body, and the insulation sleeve runs through furnace body
And it is connect with furnace sealing.
2. insulated water-cooling electrode according to claim 1, which is characterized in that the main body includes and connect pars infrasegmentalis connection
Straight section and be connected to power supply and cooling water pipeline pipeline section.
3. insulated water-cooling electrode according to claim 2, which is characterized in that the insulation sleeve is set in outside pipeline section and under it
Portion is connected with an insulator foot, and the insulator foot is connect by compression ring with furnace sealing.
4. insulated water-cooling electrode according to claim 3, which is characterized in that the insulation sleeve top is equipped with primary seal gasket
It is connect with furnace sealing.
5. insulated water-cooling electrode according to claim 2, which is characterized in that be arranged with ceramic insulation ring outside the straight section.
6. insulated water-cooling electrode according to claim 1, which is characterized in that be equipped between the ceramics pressure ring and furnace body secondary close
Gasket.
7. insulated water-cooling electrode according to claim 1, which is characterized in that be equipped with knot between the conehead and conductor coatings
Layer is closed, the conductor coatings are fine silver powder or beryllium powder is spray coating made of raw material.
8. insulated water-cooling electrode according to claim 1, which is characterized in that be equipped with knot between the conehead and conductor coatings
Layer is closed, the conductor coatings are that the mixed-powder that fine silver powder or beryllium powder are combined with one or more ceramic powders is raw material system
At spray coating.
9. insulated water-cooling electrode according to claim 1, which is characterized in that be equipped between the linkage section and insulating coating
Binder course, the insulating coating are that pure ceramic powders are spray coating made of raw material.
10. according to claim 1 to insulated water-cooling electrode described in one of 9, which is characterized in that the insulated water-cooling electrode includes
The electrode body lower body part of anode and cathode, the anode and cathode is connect with power supply fixture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822169137.6U CN209608896U (en) | 2018-12-21 | 2018-12-21 | A kind of insulated water-cooling electrode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822169137.6U CN209608896U (en) | 2018-12-21 | 2018-12-21 | A kind of insulated water-cooling electrode |
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| Publication Number | Publication Date |
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| CN209608896U true CN209608896U (en) | 2019-11-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201822169137.6U Active CN209608896U (en) | 2018-12-21 | 2018-12-21 | A kind of insulated water-cooling electrode |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023231927A1 (en) * | 2022-05-31 | 2023-12-07 | 隆基绿能科技股份有限公司 | Electrode device, heater power supply structure, and furnace bottom structure of single crystal furnace |
-
2018
- 2018-12-21 CN CN201822169137.6U patent/CN209608896U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023231927A1 (en) * | 2022-05-31 | 2023-12-07 | 隆基绿能科技股份有限公司 | Electrode device, heater power supply structure, and furnace bottom structure of single crystal furnace |
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