CN203112682U - Graphite electrode used for manufacturing quartz crucible and quartz crucible manufacturing device - Google Patents
Graphite electrode used for manufacturing quartz crucible and quartz crucible manufacturing device Download PDFInfo
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- CN203112682U CN203112682U CN 201320125694 CN201320125694U CN203112682U CN 203112682 U CN203112682 U CN 203112682U CN 201320125694 CN201320125694 CN 201320125694 CN 201320125694 U CN201320125694 U CN 201320125694U CN 203112682 U CN203112682 U CN 203112682U
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- China
- Prior art keywords
- quartz crucible
- graphite electrodes
- end part
- circular arc
- arc
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B19/00—Other methods of shaping glass
- C03B19/09—Other methods of shaping glass by fusing powdered glass in a shaping mould
- C03B19/095—Other methods of shaping glass by fusing powdered glass in a shaping mould by centrifuging, e.g. arc discharge in rotating mould
Abstract
The utility model relates to a graphite electrode used for manufacturing a quartz crucible and a quartz crucible manufacturing device. The graphite electrode comprises a cylindrical base part, an end part and a circular truncated cone transition area, wherein the end part is at least partially arc-shaped; the semidiameter of the arc of the end part is 5-20mm; the circular truncated cone transition area is used for smoothly connecting the cylindrical base part and the arc-shaped end part; and the diameter of the adjacent position between the circular truncated cone transition area and the end part is 10-35mm. The end part of the electrode is designed to be arc-shaped, and the easily dropping contact position of the end part is processed off before the electrode is used, so that graphite particles dropping from the position are greatly reduced. The semidiameter of the arc of the end part is controlled to be 5-20mm, so that the highest point of electric current density is preferentially focused on the top end of the end part, and current stabilization is realized. The diameter of the adjacent position of the end part is controlled to be 10-35mm, enough electric current density is ensured on the end part, and point discharge is formed at the moment. The formed electric arc is stable, and temperature control is more stable.
Description
Technical field
The utility model relates generally to the quartz crucible manufacturing installation, relates to Graphite Electrodes and quartz crucible manufacturing installation for the electric-arc heating quartz crucible particularly.
Background technology
In the production process of quartz crucible, use the electric arc of Graphite Electrodes discharge generation to come the heat fused quartz crucible the most common.
Generally use three root graphite electrodes 1 ' traditionally, every root graphite electrode is connected with three of industrial power supply respectively.Before beginning discharge, three root graphite electrodes are distributed on the quartz crucible top, and each root graphite electrode is designed to the integral cylinder shape.After giving electricity, three electrodes contact at electrode tip by swivel arrangement, by the immediate current short circuit electric current are produced, and electric arc also produces thereupon.After electric arc produces, after a period of stabilisation, by Graphite Electrodes swivel arrangement 2 ', increase interval S between tip electrodes ', form the suitable arc light of heated perimeter, thereby the heat fused quartz raw material forms quartz crucible.
The conventional graphite electrode design causes following shortcoming for the integral cylinder shape:
When 1, short circuit was conducted electricity, the graphite of end contact position was easy to split away off from electrode tip because instantaneous large-current impacts, and the Graphite Electrodes that comes off is fallen in the quartz crucible, causes defectives such as stain or bubble, caused crucible quality decline even discarded;
2, because end contact position interelectrode distance is nearest, electric arc will preferentially produce at this contact position.Because this contact position only limits to Graphite Electrodes in the inner part, this position shape is random, the electric arc instability of formation, and fluctuation of current is bigger, and temperature control is difficulty comparatively.
The utility model content
The purpose of this utility model is, a kind of manufacturing quartz crucible Graphite Electrodes and quartz crucible manufacturing installation are provided, the Graphite Electrodes end comes off easily in the present quartz crucible manufacturing processed to solve, the electric arc instability of formation, the technical problem that fluctuation of current is bigger.
To achieve these goals, the utility model adopts following technical scheme:
A kind of manufacturing quartz crucible Graphite Electrodes comprises: cylindrical base; And at least part of end that is circular arc that links to each other with this cylindrical base; The circular arc of described end is that radius size is the part of the circle between the 5-20mm, and the diameter of described cylindrical base is between 10-35mm.
Described end also comprises the plane, top, and this plane, top is positioned at the position of protruding most the end and links to each other with described circular arc.
Described circular arc forms tangent relation with described cylindrical base and plane, top respectively.
The another kind of quartz crucible Graphite Electrodes of making comprises: cylindrical base; At least part of end that is circular arc, the arc radius of described end is of a size of between the 5-20mm; And the truncated cone-shaped zone of transition of the described cylindrical base of smooth connection and circular arc end, the diameter of this truncated cone-shaped zone of transition and described end abutment position is between 10-35mm.
Described end also comprises the plane, top, and this plane, top is positioned at the position of protruding most the end and links to each other with described circular arc.
Described circular arc forms tangent relation with described truncated cone-shaped zone of transition and plane, top respectively.
A kind of quartz crucible manufacturing installation comprises one group of Graphite Electrodes and Graphite Electrodes swivel arrangement that is used for heating; Described Graphite Electrodes is aforesaid Graphite Electrodes.
The number of described Graphite Electrodes is two or three integral multiple.
Adjacent two distance between electrodes equate in the described Graphite Electrodes.
Adopt manufacturing quartz crucible of the present utility model with Graphite Electrodes and quartz crucible manufacturing installation, electrode tip adopts circular-arc design, falls processed before the end contact position that is easy to come off uses, so the graphite granule that comes off from this position significantly reduces.The control of the radius size of the circular arc of end makes the current density vertex will preferentially concentrate on the top of end position within 5-20mm, makes current stabilization; And the diameter of end abutment position control is between 10-35mm, can guarantee the enough current densities in end form at this moment between the end discharge.The electric arc of Xing Chenging is also stable thus, and temperature control is also more stable.
Description of drawings
Only by example preferred embodiment of the present utility model is described more specifically with reference to the following drawings hereinafter:
Fig. 1 is the structural representation of existing quartz crucible manufacturing installation;
Fig. 2 is the structural representation according to an embodiment of quartz crucible manufacturing installation of the present utility model;
Fig. 3 is the structural representation of a kind of embodiment of the Graphite Electrodes in the quartz crucible manufacturing installation of Fig. 2;
Fig. 4 is the structural representation of the another kind of embodiment of the Graphite Electrodes in the quartz crucible manufacturing installation of Fig. 2.
In each above-mentioned accompanying drawing, similar Reference numeral should be understood that to represent identical, similar or corresponding feature or function.
Embodiment
The Graphite Electrodes that contriver of the present utility model changes in the quartz crucible manufacturing installation in the past is designed to cylindrical structure, has redesigned Graphite Electrodes originally, and the Graphite Electrodes end is designed to arcuate structure.
It should be noted that in the specific descriptions of following preferred embodiment, will be with reference to the appended accompanying drawing that constitutes the utility model part.Appended accompanying drawing shows by way of example can realize certain embodiments of the present utility model.The embodiment of example is not intended to limit according to all embodiment of the present utility model.Be appreciated that and under the prerequisite that does not depart from scope of the present utility model, can utilize other embodiment, also can carry out the modification of structural or logicality.Therefore, following specific descriptions are also nonrestrictive, and scope of the present utility model is limited by appended claim.
In following specific descriptions, with reference to appended accompanying drawing.Accompanying drawing has constituted a part of the present utility model, shows by way of example in the accompanying drawings and can implement certain embodiments of the present utility model.In this regard, the term of directivity, for example " left side ", " right side " " top ", " bottom ", " preceding ", " back " etc., the middle direction use of describing with reference to the accompanying drawings.Therefore the parts of embodiment of the present utility model can be placed in multiple different direction, and the term of directivity is nonrestrictive for the purpose of example.Be appreciated that and under the prerequisite that does not depart from scope of the present utility model, can utilize other embodiment, also can carry out structural or the logicality modification.Therefore, following specific descriptions are also nonrestrictive, and scope of the present utility model is limited by appended claim.
Below in conjunction with accompanying drawing 2-4, describe the embodiment of quartz crucible manufacturing installation of the present utility model and Graphite Electrodes wherein in detail.
Fig. 2 has schematically described the structure of the quartz crucible manufacturing installation of an embodiment of the present utility model.As shown in Figure 2, quartz crucible manufacturing installation of the present utility model comprises Graphite Electrodes 1 and Graphite Electrodes swivel arrangement 2 for heating; Described Graphite Electrodes 1 quantity is three, and adjacent two distance between electrodes equate.The number of Graphite Electrodes can be two or three integral multiple.The concrete structure of Graphite Electrodes 1 wherein describes in further detail in Fig. 2-Fig. 3.
Fig. 3 is the structural representation of a kind of embodiment of the Graphite Electrodes in the quartz crucible manufacturing installation of Fig. 2.As shown in Figure 3, make quartz crucible with Graphite Electrodes 1, comprising: cylindrical base 11; At least part of end 13 that is circular arc; And the truncated cone-shaped zone of transition 12 of the described cylindrical base 11 of smooth connection and end 13.Described end 13 comprises two portions: a part is circular arc portion 131, and another part is the plane, top 132 that is positioned at the position of protruding most the end.
From Fig. 3, circular arc portion 131 is the part of the circle between the 5-20mm for radius size.The diameter D of truncated cone-shaped zone of transition 12 and described end 13 adjoining positions is between 10-35mm.Described circular arc portion 131 forms tangent relation with described truncated cone-shaped zone of transition 12 and plane, top 132 respectively.That is to say the line segment L that circular arc portion 131 formation planes, top 132 show and the tangent circles between 12 two oblique sides of truncated cone-shaped zone of transition.
Fig. 4 is the structural representation of the another kind of embodiment of the Graphite Electrodes in the quartz crucible manufacturing installation of Fig. 2.As shown in Figure 4, make quartz crucible with Graphite Electrodes 1, comprising: cylindrical base 11; And at least part of end 13 that is circular arc, end 13 directly links to each other with this cylindrical base 11.With embodiment illustrated in fig. 3 different be that the zone of transition of truncated cone-shaped is not set in the present embodiment.This is to be determined by the radius size of the base portion 11 of Graphite Electrodes 1.If the radius size of the base portion 11 of Graphite Electrodes 1 is excessive, will consider zone of transition has been set.Described end 13 comprises two portions: a part is circular arc portion 131, and another part is the plane, top 132 that is positioned at the position of protruding most the end.
From Fig. 4, circular arc portion 131 is the part of the circle between the 5-20mm for radius size.The diameter D of described cylindrical base 11 is between 10-35mm.Described circular arc portion 131 forms tangent relation with described cylindrical base 11 and plane, top 132 respectively.That is to say that circular arc portion 131 constitutes the line segment L (consulting Fig. 3) of plane, top 132 demonstrations and the tangent circles between 11 two straight sided of cylindrical base.
The radius size scope of setting circular arc end 13 5-20mm be because, do not have due effect less than 5mm, then waste Graphite Electrodes greater than 20mm.Diameter D should be between the 10-35mm be because, too moderate seas takes electrode, too high current density does not reach, the interior diameter D of this scope can guarantee the current density that the end is enough.
Need to prove, end 13 is set to circular arc fully, namely do not comprise plane, top 132, also is feasible.
Circular-arc design is adopted in Graphite Electrodes of the present utility model end, falls processed before the end contact position that is easy to come off uses, so the graphite granule that comes off from this position significantly reduces.Because end position is circular-arc design, the current density vertex will preferentially concentrate on the top of end position, end discharge between forming this moment, and current stabilization, the electric arc of formation is also stable, and temperature control is also more stable.And the diameter of end abutment position control is between 10-35mm, can guarantee the enough current densities in end form at this moment between the end discharge.
The embodiment that should be appreciated that foregoing description only is used for describing and unrestricted the utility model, it will be understood by those skilled in the art that to make amendment and be out of shape the utility model, only otherwise depart from spirit and scope of the present utility model.Above-mentioned modification and distortion are considered to the scope of the utility model and claims.Protection domain of the present utility model is limited by appended claim.In addition, any Reference numeral in the claim should not be understood that restriction of the present utility model.Verb " comprises " and element or the step that other beyond the statement in the claim occur do not got rid of in its distortion.Indefinite article before element or step " one " is not got rid of and a plurality of such elements or step are occurred.
Claims (9)
1. make the quartz crucible Graphite Electrodes, it is characterized in that, comprising:
Cylindrical base; And
At least part of end that is circular arc that links to each other with this cylindrical base;
The circular arc of described end is that radius size is the part of the circle between the 5-20mm, and the diameter of described cylindrical base is between 10-35mm.
2. manufacturing quartz crucible Graphite Electrodes as claimed in claim 1 is characterized in that described end also comprises the plane, top, and this plane, top is positioned at the position of protruding most the end and links to each other with described circular arc.
3. manufacturing quartz crucible Graphite Electrodes as claimed in claim 1 is characterized in that, described circular arc forms tangent relation with described cylindrical base and plane, top respectively.
4. make the quartz crucible Graphite Electrodes, it is characterized in that, comprising:
Cylindrical base;
At least part of end that is circular arc, the radius size of described end circular arc is between the 5-20mm; And
The truncated cone-shaped zone of transition of the described cylindrical base of smooth connection and circular arc end, the diameter of this truncated cone-shaped zone of transition and described end abutment position is between 10-35mm.
5. manufacturing quartz crucible Graphite Electrodes as claimed in claim 4 is characterized in that described end also comprises the plane, top, and this plane, top is positioned at the position of protruding most the end and links to each other with described circular arc.
6. manufacturing quartz crucible Graphite Electrodes as claimed in claim 4 is characterized in that, described circular arc forms tangent relation with described truncated cone-shaped zone of transition and plane, top respectively.
7. the quartz crucible manufacturing installation comprises one group of Graphite Electrodes and Graphite Electrodes swivel arrangement that is used for heating; It is characterized in that described Graphite Electrodes is as the described Graphite Electrodes of arbitrary claim in the claim 1 to 6.
8. quartz crucible manufacturing installation as claimed in claim 7 is characterized in that, the number of described Graphite Electrodes is two or three integral multiple.
9. quartz crucible manufacturing installation as claimed in claim 7 is characterized in that, adjacent two distance between electrodes equate in the described Graphite Electrodes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320125694 CN203112682U (en) | 2012-11-18 | 2013-03-18 | Graphite electrode used for manufacturing quartz crucible and quartz crucible manufacturing device |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220640002 | 2012-11-18 | ||
| CN201220640002.3 | 2012-11-18 | ||
| CN 201320125694 CN203112682U (en) | 2012-11-18 | 2013-03-18 | Graphite electrode used for manufacturing quartz crucible and quartz crucible manufacturing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203112682U true CN203112682U (en) | 2013-08-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320125694 Expired - Fee Related CN203112682U (en) | 2012-11-18 | 2013-03-18 | Graphite electrode used for manufacturing quartz crucible and quartz crucible manufacturing device |
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|---|---|
| CN (1) | CN203112682U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113747625A (en) * | 2021-09-16 | 2021-12-03 | 宁夏盾源聚芯半导体科技股份有限公司 | Combined gas guide graphite electrode and preparation method of quartz crucible without inner surface bubble group |
| WO2023143124A1 (en) * | 2022-01-27 | 2023-08-03 | 隆基绿能科技股份有限公司 | Graphite electrode, crucible production device and crucible production method |
-
2013
- 2013-03-18 CN CN 201320125694 patent/CN203112682U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113747625A (en) * | 2021-09-16 | 2021-12-03 | 宁夏盾源聚芯半导体科技股份有限公司 | Combined gas guide graphite electrode and preparation method of quartz crucible without inner surface bubble group |
| CN113747625B (en) * | 2021-09-16 | 2022-05-03 | 宁夏盾源聚芯半导体科技股份有限公司 | Combined gas guide graphite electrode and preparation method of quartz crucible without inner surface bubble group |
| WO2023143124A1 (en) * | 2022-01-27 | 2023-08-03 | 隆基绿能科技股份有限公司 | Graphite electrode, crucible production device and crucible production method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130807 Termination date: 20180318 |