CN217307913U - Abnormal-shaped graphite electrode column capable of reducing power consumption - Google Patents
Abnormal-shaped graphite electrode column capable of reducing power consumption Download PDFInfo
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- CN217307913U CN217307913U CN202220701462.6U CN202220701462U CN217307913U CN 217307913 U CN217307913 U CN 217307913U CN 202220701462 U CN202220701462 U CN 202220701462U CN 217307913 U CN217307913 U CN 217307913U
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- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B15/00—Single-crystal growth by pulling from a melt, e.g. Czochralski method
- C30B15/14—Heating of the melt or the crystallised materials
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B7/00—Heating by electric discharge
- H05B7/02—Details
- H05B7/06—Electrodes
- H05B7/08—Electrodes non-consumable
- H05B7/085—Electrodes non-consumable mainly consisting of carbon
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B7/00—Heating by electric discharge
- H05B7/02—Details
- H05B7/14—Arrangements or methods for connecting successive electrode sections
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- Resistance Heating (AREA)
Abstract
The utility model provides a reduce heterotypic graphite electrode post of consumption, a serial communication port, include: the first electrode column is internally provided with a first connecting hole which can be connected with a heater electrode pin; the second electrode column is internally provided with a second connecting hole which can be connected with a power supply device; the special-shaped electrode column is arranged between the first electrode column and the second electrode column and connected with the first electrode column and the second electrode column, wherein the minimum width of the special-shaped electrode column is smaller than that of the first electrode column and that of the second electrode column. The beneficial effects of the utility model are that present electrode column diameter is in 80-100mm within range, and conduction heat is greater than self-heating far away, reduces energy loss and mainly optimizes from the transfer heat. On the premise of meeting the supporting strength, the minimum sectional area of the graphite electrode column is reduced by adopting the special-shaped electrode column, the diameter can be effectively reduced, and the self-heating is reduced.
Description
Technical Field
The utility model discloses graphite electrode post that czochralski crystal growing furnace used especially relates to a heterotypic graphite electrode post that reduces the consumption.
Background
During the melting process of the monocrystalline silicon, the temperature in the monocrystalline furnace needs to be heated to about 1450 ℃, continuous heating is needed, and conductive heating is needed.
The graphite electrode column for the Czochralski single crystal furnace belongs to one of main components of the Czochralski single crystal furnace, and is used for connecting a copper electrode and a graphite heater to play a role in electric conduction. At present, in a czochralski single crystal thermal field, because the temperature of the working environment is very high, the czochralski single crystal furnace is manufactured by using a graphite electrode column, the heat conducting property of graphite materials is strong, partial heat energy in the thermal field is easily led out, and the waste of electric energy is caused.
In addition, the diameter of the existing graphite electrode column is simply reduced, so that the heat energy loss can be theoretically reduced, but the diameter is reduced to a certain range, the graphite electrode column is influenced by long-term high temperature, the graphite electrode column is easy to burn, the service life is shortened, particularly for the electrode column filled with quartz sand, the quartz sand corrodes, the service life is greatly shortened, and the general minimum limit diameter value is 60 mm.
SUMMERY OF THE UTILITY MODEL
The to-be-solved problem of the utility model is to provide a heterotypic graphite electrode post that reduces consumption, effectual solution is because operating environment temperature is very high, and the straight-pull single crystal growing furnace is with graphite electrode post preparation, and graphite material heat conductivility is strong, derives partial heat energy in the thermal field easily, causes the problem of the waste of electric energy.
In order to solve the technical problem, the utility model discloses a technical scheme is: a special-shaped graphite electrode column capable of reducing power consumption is characterized by comprising:
the first electrode column is internally provided with a first connecting hole which can be connected with a heater electrode pin;
the second electrode column is internally provided with a second connecting hole which can be connected with a power supply device;
and the special-shaped electrode column is arranged between the first electrode column and the second electrode column and is connected with the first electrode column and the second electrode column, wherein the minimum cross sectional area of the special-shaped electrode column is smaller than the minimum cross sectional areas of the first electrode column and the second electrode column.
Preferably, the special-shaped electrode column is cylindrical in shape, and the diameter of the special-shaped electrode column is smaller than that of the first electrode column and that of the second electrode column.
Preferably, a first supplementary connecting hole matched with the first connecting hole is further formed in the position where the special-shaped electrode column is in contact with the first electrode column and used for connecting the heater electrode pin.
Preferably, a second supplementary connecting hole matched with the second connecting hole is further formed in the position where the special-shaped electrode column is in contact with the second electrode column and is used for being connected with the power supply device.
Preferably, the special-shaped electrode column is cylindrical, the diameter of the special-shaped electrode column is smaller than the diameter of the first electrode column and the diameter of the second electrode column, and a through hole is formed in the middle of the special-shaped electrode column.
Preferably, the through hole has a diameter smaller than the diameters of the first and second connection holes and penetrates the first and second connection holes.
Preferably, the first connection hole, the through hole and the second connection hole are coaxially disposed.
Preferably, the minimum width of the profiled electrode column is greater than or equal to 60 mm.
By adopting the technical scheme, the diameter of the electrode column is in the range of 80-100mm at present, the conduction heat is far greater than the self-heating, and the reduction of the energy loss is mainly optimized from the transfer heat. On the premise of satisfying the supporting strength, the smaller the minimum sectional area (the smaller the diameter), the more favorable the control of the conduction heat. The minimum sectional area of the graphite electrode column is reduced by adopting the special-shaped electrode column, the diameter can be effectively reduced, and self-heating is reduced.
Experiments prove that compared with the conventional electrode column, the power consumption can be reduced by 1-2KW, the material consumption can be reduced, and the energy conservation and consumption reduction can be effectively guaranteed.
Drawings
FIG. 1 is a schematic view of the utility model, which is used to reduce the power consumption of the abnormal-shaped graphite electrode column
FIG. 2 is a schematic view of another embodiment of the present invention, showing a special-shaped graphite electrode column with reduced power consumption
In the figure:
1. a first electrode column 2, a special-shaped electrode column 3 and a second electrode column
4. First connecting hole 5, second connecting hole 6, first complementary connecting hole
7. Second complementary connecting hole 8, through hole
Detailed Description
The invention will be further described with reference to the following examples and drawings:
in the description of the embodiments of the present invention, it should be understood that the terms "top", "bottom", and the like refer to orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be taken as limiting the present invention. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
A reduced power consumption profiled graphite electrode column, comprising:
the first electrode column 1, the first electrode column 1 has the first connecting hole 4 inside, can connect the heater electrode foot; the first connecting hole 4 is formed in the position of the top surface of the first electrode column 1, which is in contact with the heater electrode pin, the depth of the first connecting hole can penetrate through the first electrode column 1, and the first connecting hole is matched with a connecting piece on the heater electrode pin in size, namely a bolt, so that the inner surface of the first connecting hole 4 is generally provided with internal threads and is matched with the surface threads of the bolt on the heater electrode pin;
a second connecting hole 5 is formed in the second electrode column 3 and can be connected with a power supply device; the second connecting hole 5 is formed in the bottom surface of the second electrode column 3, which is in contact with the power supply device, the depth of the second connecting hole can penetrate through the second electrode column 3, and the second connecting hole is matched with a connecting piece on the power supply device, namely a bolt, so that internal threads are generally arranged on the inner surface of the second connecting hole 5 and are matched with surface threads of the bolt on the power supply device;
the special-shaped electrode column 2 is arranged between the first electrode column 1 and the second electrode column 3 and is connected with the first electrode column 1 and the second electrode column 3, the top of the special-shaped electrode column 2 is connected with the bottom of the first electrode column 1, the bottom of the special-shaped electrode column 2 is connected with the top of the second electrode column 3, the special-shaped electrode column 2 is indefinite in shape and can be rectangular, cylindrical and other shapes, only the first electrode column 1 and the second electrode column 3 are needed to be connected and can smoothly conduct electric energy, the special-shaped electrode column 2 and the first electrode column 1 and the second electrode column 3 can be integrated and can be separately arranged, the middle part of the special-shaped electrode column is connected through bolts, and the special-shaped electrode column is preferably designed in an integrated mode.
In the abnormal shape electrode post 2, still seted up a gas vent in one side, the one end intercommunication graphite electrode post outside of gas vent prevents that graphite electrode post from bursting easily at the in-process of expend with heat and contract with cold and leading to whole electrode post to damage, increases manufacturing cost.
Wherein the maximum width of the special-shaped electrode column 2 is smaller than the minimum width of the first electrode column 1 and the second electrode column 3. Namely, the special-shaped electrode column 2 can provide the minimum sectional area of the whole graphite electrode column, because the graphite electrode column mainly carries out energy loss through conduction heat and spontaneous heating, the conduction heat is in direct proportion to the diameter, the spontaneous heating is in inverse proportion to the diameter, and the specific formula is as follows:
heat conduction:
self-heating:
phi in the formula 1 The minimum diameter of the whole graphite electrode column is selected, and as the diameter of the electrode column is in the range of 80-100mm at present, the conduction heat is far greater than the spontaneous heating, and the reduction of energy loss is mainly optimized from the conduction heat. On the premise of satisfying the supporting strength, the smaller the minimum sectional area (the smaller the diameter), the more favorable the control of the conduction heat. However, the minimum diameter has a limit value, and the minimum diameter which can be tolerated in the prior art is 60 mm.
Because the special-shaped electrode column 2 is arranged between the first electrode column 1 and the second electrode column 3, the whole graphite electrode column forms an I-shaped electrode. The I-shaped electrode column can effectively reduce the diameter and reduce self-heating. Experiments prove that compared with the conventional electrode column, the power consumption can be reduced by 1-2 KW; meanwhile, the consumption of materials can be reduced, and powerful guarantee is provided for energy conservation and consumption reduction.
Several specific examples are listed below:
example 1
The first electrode column 1, the first electrode column 1 has the first connecting hole 4 inside, can connect the heater electrode foot; the first electrode column 1 is cylindrical and is provided with a shoulder matched with the electrode pin of the heater; the first connecting hole 4 is formed in the position of the top surface of the first electrode column 1, which is in contact with the heater electrode pin, penetrates through the first electrode column 1 in depth, is matched with the bolt on the heater electrode pin in size, and the inner surface of the first connecting hole 4 is generally provided with internal threads which are matched with the surface threads of the bolt on the heater electrode pin;
a second connecting hole 5 is formed in the second electrode column 3 and can be connected with a power supply device; the second electrode column 3 is cylindrical in shape, with a diameter that is consistent with the major diameter of the first electrode column 1 (non-shoulder diameter); the second connecting hole 5 is formed in the position, in contact with the power supply device, of the bottom surface of the second electrode column 3, penetrates through the second electrode column 3 in depth, is matched with a bolt on the power supply device in size, and is internally provided with threads on the inner surface of the second connecting hole 5 and is matched with surface threads of the bolt on the power supply device;
the special-shaped electrode column 2 is cylindrical, the diameter of the special-shaped electrode column 2 is smaller than the diameters of the first electrode column 1 and the second electrode column 3, the area of the cross section of the special-shaped electrode column 2 is ensured to be smaller than the cross sections of the first electrode column 1 and the second electrode column 3, and the whole graphite electrode column is I-shaped, so that the power consumption can be reduced, and the supporting strength can be met; the diameter of the special-shaped electrode column 2 is set to be 70 mm;
a first supplementary connecting hole 6 matched with the first connecting hole 4 is further formed in the position, in which the special-shaped electrode column 2 is contacted with the first electrode column 1, and is used for connecting a heater electrode pin, and the first supplementary connecting hole 6 is matched with the size of the first connecting hole 4, is coaxially arranged and is used for accommodating a bolt connected with the heater electrode pin;
and a second supplementary connecting hole 7 matched with the second connecting hole 5 is also arranged at the position where the special-shaped electrode column 2 is contacted with the second electrode column 3 and is used for connecting a power supply device, and the second supplementary connecting hole 7 is matched with the size of the second connecting hole 5, is coaxially arranged and is used for accommodating a bolt connected with the power supply device.
Example 2
The first electrode column 1, the first electrode column 1 has the first connecting hole 4 inside, can connect the heater electrode foot; the first electrode column 1 is cylindrical and is provided with a shoulder matched with the electrode pin of the heater; the first connecting hole 4 is formed in the position of the top surface of the first electrode column 1, which is in contact with the heater electrode pin, penetrates through the first electrode column 1 in depth, is matched with the bolt on the heater electrode pin in size, and the inner surface of the first connecting hole 4 is generally provided with internal threads which are matched with the surface threads of the bolt on the heater electrode pin;
a second connecting hole 5 is formed in the second electrode column 3 and can be connected with a power supply device; the second electrode column 3 is cylindrical in shape, with a diameter that is consistent with the major diameter of the first electrode column 1 (non-shoulder diameter); the second connecting hole 5 is formed in the position, in contact with the power supply device, of the bottom surface of the second electrode column 3, penetrates through the second electrode column 3 in depth, is matched with a bolt on the power supply device in size, and is internally provided with threads on the inner surface of the second connecting hole 5 and is matched with surface threads of the bolt on the power supply device;
the special-shaped electrode column 2 is cylindrical, the diameter of the special-shaped electrode column 2 is smaller than the diameter of the first electrode column 1 and the diameter of the second electrode column 3, a through hole 8 is formed in the middle of the special-shaped electrode column 2, and the diameter of the special-shaped electrode column 2 is 65 mm.
The diameter of the through hole 8 is smaller than the diameters of the first connection hole 4 and the second connection hole 5, and the through hole 8 penetrates through the profile electrode column 2 and penetrates through the first connection hole 4 and the second connection hole 5. The diameter of the through hole 8 is one-half of the diameter of the first connection hole 4 in the present embodiment, and since the connection bolt of the heater electrode pin is smaller than the connection bolt of the power supply device, the diameter of the first connection hole 4 is smaller than the diameter of the second connection hole 4. But first connecting hole 4, through-hole 8 and second connecting hole 5 are coaxial setting, and the axis of first connecting hole 4, through-hole 8 and second connecting hole 5 is same root promptly. The setting of through-hole 8 both can not reduce the support intensity of graphite electrode post, can also reduce the consumptive material of graphite electrode post, reduces the conduction heat of graphite electrode post simultaneously, solves the many problems of energy loss in the prior art.
Still seted up an exhaust hole on heterotypic electrode post 2, one side intercommunication through-hole 8, the outside of opposite side intercommunication graphite electrode post can provide certain expansion space for the electrode post at graphite electrode post expend with heat and contract with cold's in-process, prevents to produce the condition of bursting in the use, prolongs graphite electrode post's life.
The above description has been made in detail on the embodiments of the present invention, but the above description is only a preferred embodiment of the present invention, and should not be construed as limiting the scope of the present invention. The equivalent changes and improvements made according to the application scope of the present invention should be still included in the patent coverage of the present invention.
Claims (8)
1. A special-shaped graphite electrode column capable of reducing power consumption is characterized by comprising:
the first electrode column is internally provided with a first connecting hole which can be connected with a heater electrode pin;
the second electrode column is internally provided with a second connecting hole which can be connected with a power supply device;
and the special-shaped electrode column is arranged between the first electrode column and the second electrode column and is connected with the first electrode column and the second electrode column, wherein the minimum cross sectional area of the special-shaped electrode column is smaller than the minimum cross sectional areas of the first electrode column and the second electrode column.
2. The profiled graphite electrode column for reducing power consumption of claim 1, wherein: the special-shaped electrode column is cylindrical, and the diameter of the special-shaped electrode column is smaller than that of the first electrode column and that of the second electrode column.
3. The profiled graphite electrode column for reducing power consumption of claim 2, wherein: and a first supplementary connecting hole matched with the first connecting hole is also formed in the position where the special-shaped electrode column is contacted with the first electrode column and is used for connecting the electrode pin of the heater.
4. The profiled graphite electrode column for reducing power consumption as claimed in claim 2 or 3, wherein: and a second supplementary connecting hole matched with the second connecting hole is also formed in the position where the special-shaped electrode column is contacted with the second electrode column and is used for connecting the power supply device.
5. The profiled graphite electrode column for reducing power consumption of claim 1, wherein: the special-shaped electrode column is cylindrical, the diameter of the special-shaped electrode column is smaller than that of the first electrode column and that of the second electrode column, and a through hole is formed in the middle of the special-shaped electrode column.
6. The profiled graphite electrode column for reducing power consumption of claim 5, wherein: the through hole has a diameter smaller than the diameters of the first and second connection holes and penetrates through the first and second connection holes.
7. The profiled graphite electrode column for reducing power consumption of claim 6, wherein: the first connecting hole, the through hole and the second connecting hole are coaxially arranged.
8. The profiled graphite electrode column for reducing power consumption of claim 1, 2 or 5, wherein: the minimum width of the special-shaped electrode column is more than or equal to 60 mm.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220701462.6U CN217307913U (en) | 2022-03-29 | 2022-03-29 | Abnormal-shaped graphite electrode column capable of reducing power consumption |
| PCT/CN2023/083883 WO2023185696A1 (en) | 2022-03-29 | 2023-03-24 | Specially-shaped graphite electrode column for reducing power consumption |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220701462.6U CN217307913U (en) | 2022-03-29 | 2022-03-29 | Abnormal-shaped graphite electrode column capable of reducing power consumption |
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| CN217307913U true CN217307913U (en) | 2022-08-26 |
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| WO (1) | WO2023185696A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023185696A1 (en) * | 2022-03-29 | 2023-10-05 | Tcl中环新能源科技股份有限公司 | Specially-shaped graphite electrode column for reducing power consumption |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202945365U (en) * | 2012-10-31 | 2013-05-22 | 西安隆基硅材料股份有限公司 | Graphite electrode used for heater of direct-pull single crystal furnace |
| DE102013207396A1 (en) * | 2013-04-24 | 2014-10-30 | Sgl Carbon Se | Graphite electrode for use in an electric arc furnace |
| CN203834050U (en) * | 2014-05-19 | 2014-09-17 | 英利能源（中国）有限公司 | Single crystal furnace thermal field graphite electrode and single crystal furnace |
| CN107794571A (en) * | 2017-10-30 | 2018-03-13 | 扬中市惠丰包装有限公司 | One kind is used for czochralski crystal growing furnace electrode assembly |
| CN209082027U (en) * | 2018-10-30 | 2019-07-09 | 宁晋晶兴电子材料有限公司 | A kind of single crystal growing furnace electrode column |
| CN217307913U (en) * | 2022-03-29 | 2022-08-26 | 内蒙古中环协鑫光伏材料有限公司 | Abnormal-shaped graphite electrode column capable of reducing power consumption |
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- 2022-03-29 CN CN202220701462.6U patent/CN217307913U/en active Active
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- 2023-03-24 WO PCT/CN2023/083883 patent/WO2023185696A1/en active Application Filing
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023185696A1 (en) * | 2022-03-29 | 2023-10-05 | Tcl中环新能源科技股份有限公司 | Specially-shaped graphite electrode column for reducing power consumption |
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Address after: No.19, Amur South Street, Saihan District, Hohhot, Inner Mongolia Autonomous Region Patentee after: Inner Mongolia Zhonghuan Crystal Materials Co.,Ltd. Address before: No.19, Amur South Street, Saihan District, Hohhot, Inner Mongolia Autonomous Region Patentee before: INNER MONGOLIA ZHONGHUAN XIEXIN PHOTOVOLTAIC MATERIAL Co.,Ltd. |
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