CN209584422U - Crystal silicon ingot casting side heater - Google Patents
Crystal silicon ingot casting side heater Download PDFInfo
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- CN209584422U CN209584422U CN201920119873.2U CN201920119873U CN209584422U CN 209584422 U CN209584422 U CN 209584422U CN 201920119873 U CN201920119873 U CN 201920119873U CN 209584422 U CN209584422 U CN 209584422U
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- heater
- boom
- crystal silicon
- silicon ingot
- ingot casting
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Abstract
The utility model relates to a kind of crystal silicon ingot casting side heaters, including being arranged above and below and three groups of independent control, respectively upper heater, middle heater and lower heater, wherein the upper heater electrical connection has the first boom, first boom is connected with middle heater and lower heater insulation simultaneously, the middle heater electrical connection has the second boom, and second boom is connected with upper heater and lower heater insulation simultaneously；The lower heater electrical connection has third boom, and the third boom is connect with upper heater and middle heater insulation simultaneously.Above-mentioned heater, side heater are divided into three groups of upper, middle and lower independent control, thus realize that side segment heats with can be convenient, so that the effectively long brilliant speed of control, reduces thermal loss, reduce energy consumption.
Description
Technical field
The utility model relates to crystal silicon ingot casting preparation fields in crystal silicon solar, more particularly to a kind of crystal silicon ingot casting side
Portion's heater.
Background technique
It is at present one of most important production equipment in photovoltaic industry polycrystalline silicon ingot or purifying furnace, is adopted mostly in traditional ingot furnace
With two groups of graphite heating modes, one group of top heater and one group of side heater.Wherein side heater basic structure is all
The graphite or carbon carbon material composition cuboid of one serpentine configuration.
Above-mentioned side heater structure is simple, and heating area is big, but in crystal growing stage since side heater is integrated knot
Structure cannot separate independent control section heating, lead to that heat-insulation cage can only be opened in crystal growing stage, to release since crucible bottom
Thermal discharge, so that silicon liquid is from bottom directional long crystal.Then side heater needs in one side are heated with relatively high power, to be increased on one side
Heat-insulation cage aperture causes a large amount of waste of energy；It is not easily controlled long crystal boundary face；Long crystalline substance speed is uneven, long crystalline substance later period speed
Slowly, since heat accumulation causes a large amount of defects to generate, the crystal growth quality of silicon ingot is influenced.
Utility model content
Based on this, it is necessary to aiming at the problem that keeping long brilliant not easy to control and energy loss, provide a kind of crystal silicon ingot casting use
Side heater.
A kind of crystal silicon ingot casting side heater, including being arranged above and below and three groups of independent control, respectively upper heater,
Middle heater and lower heater, wherein upper heater electrical connection has the first boom, first boom adds in simultaneously
Hot device and lower heater insulation connection, the middle heater electrical connection have the second boom, and second boom adds with upper simultaneously
Hot device and lower heater insulation connection；The lower heater is electrical
It is connected with third boom, the third boom is connect with upper heater and middle heater insulation simultaneously.
Above-mentioned heater, side heater is divided into three groups of upper, middle and lower independent control, thus realizes side with can be convenient
Segment section heating, so that the effectively long brilliant speed of control, reduces thermal loss, reduce energy consumption.
The upper heater, middle heater and lower heater respectively surround a polygonal annular in one of the embodiments,
Structure, to form three polygonal annular structures being arranged above and below.
The upper heater, middle heater and lower heater are banded structure in one of the embodiments,.
Be symmetrically connected with two first booms on the upper heater in one of the embodiments, it is described in plus
It is symmetrically connected with two second booms on hot device, two third booms are symmetrically connected in the lower heater, and
The successively interval setting along the circumferencial direction of polygonal annular structure of first boom, the second boom, third boom.
It is bolted between first boom and upper heater by carbon carbon in one of the embodiments, described
It is provided between one boom and middle heater between insulation board and first boom and lower heater and is provided with insulation board, and
The surfacing that first boom is in contact with upper heater, middle heater and lower heater.
It is bolted between second boom and middle heater by carbon carbon in one of the embodiments, described
It is provided between two booms and upper heater between insulation board and second boom and lower heater and is provided with insulation board, and
The surfacing that second boom is in contact with upper heater, middle heater and lower heater.
It is bolted between the third boom and lower heater by carbon carbon in one of the embodiments, described
It is provided between three booms and upper heater between insulation board and the third boom and middle heater and is provided with insulation board, and
The surfacing that third boom is in contact with upper heater, middle heater and lower heater.
The upper end far from the lower heater of first boom has to connect electricity in one of the embodiments,
The boom hole of pole.
The upper end far from the lower heater of second boom has to connect electricity in one of the embodiments,
The boom hole of pole.
The upper end far from the lower heater of the third boom has to connect electricity in one of the embodiments,
The boom hole of pole.
Detailed description of the invention
Fig. 1 is the schematic side view of the side heater of an embodiment of the present invention；
Fig. 2 is the schematic top plan view of the side heater of an embodiment of the present invention；
Fig. 3 is the structural schematic diagram of the first boom of the side heater of an embodiment of the present invention；
Fig. 4 is the structural schematic diagram of the second boom of the side heater of an embodiment of the present invention；
Fig. 5 is the structural schematic diagram of the third boom of the side heater of an embodiment of the present invention.
Specific embodiment
To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, with reference to the accompanying drawing to this
The specific embodiment of utility model is described in detail.Many details are explained in the following description in order to abundant
Understand the utility model.But the utility model can be implemented with being much different from other way described herein, this field
Technical staff can do similar improvement without prejudice to the utility model connotation, therefore the utility model is not by following public affairs
The limitation for the specific embodiment opened.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.
Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model
The normally understood meaning of the technical staff in domain is identical.Terminology used in the description of the utility model herein only be
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term " and or " used herein includes
Any and all combinations of one or more related listed items.
With reference to Fig. 1, an embodiment of the utility model discloses a kind of crystal silicon ingot casting side heater, including arranges up and down
Three groups of column and independent control, respectively upper heater 10, middle heater 20 and lower heater 30.Upper heater 10, middle heating
Device 20 and lower heater 30 can be graphite material or carbon carbon composite.
Specifically, the electrical connection of upper heater 10 has the first boom 110 in conjunction with Fig. 2, the first boom 110 adds in simultaneously
Hot device 20 and the insulation connection of lower heater 30.It on the one hand can use the first boom 110 in this way while fixing and slinging heating
Device 10, middle heater 20 and lower heater 30 so that firmly installing, and can use the first boom 110 and realize upper heater 10
Independent control.
The electrical connection of middle heater 20 has the second boom 210, the second boom 210 simultaneously with upper heater 10 and lower heater
30 insulation connections.It on the one hand can use the second boom 210 in this way while fixing and slinging upper heater 10,20 and of middle heater
Lower heater 30 so that firmly installing, and can use the independent control of heater 20 in the realization of the second boom 210.
The electrical connection of lower heater 30 has a third boom 310, third boom 310 simultaneously with middle heater 20 and lower heater
30 insulation connections.It on the one hand can use third boom 310 in this way while fixing and slinging upper heater 10,20 and of middle heater
Lower heater 30 so that firmly installing, and can use the independent control that third boom 310 realizes lower heater 30.
In the present embodiment, upper heater 10, middle heater 20 and lower heater 30 can with independent control, and it is preferential to each other
At a certain distance, so that side heater is divided into the region of upper, middle and lower three.In this way, adding in heating and three groups of the melting stage
Hot device heats simultaneously, can form a biggish heating surface (area) (HS.As technique enters crystal growing stage, according to the requirement of crystal growing technology
Close lower heater 30, middle part heater 20, upper portion heater 10 respectively stage by stage.Due to side heater is divided into,
In, lower three regions, the temperature gradient of directional long crystal has been formed in successively closing process, so in the entire crystal growing technology time
Heat-insulation cage in ingot furnace can not opened first, and the long crystalline substance later period can suitably open heat-insulation cage according to crystal growing technology.It in this way can be effective
The long brilliant speed of control, reduces scattering and disappearing for heat, may save at least 10% energy consumption.Ingot quality also may be significantly and mention
It rises.
In some embodiments of the utility model, upper heater 10, middle heater 20 and lower heater 30 respectively surround one
A polygonal annular structure surrounds three polygonal annular structures being arranged above and below.With reference to Fig. 2, three polygonal annulars are in above-below direction
Upper stacking.Each polygonal annular structure can be surround crucible one week, thus crucible periphery can be formed upper, middle and lower three it is annular
Heating region, the heating region of each annular make to crucible inside homogeneous heating.
Further, upper heater 10, middle heater 20 and lower heater 30 are banded structure.Combined with Figure 1 and Figure 2, with
Be banded structure for upper heater 10, more traditional snakelike heater, structure is simple, also facilitate with the first boom 110,
Second boom 210 and third boom 310 are fixedly connected.
Further, it is symmetrically connected with two the first booms 110 on upper heater 10, is symmetrically connected on middle heater 20
Two the second booms 210 are symmetrically connected with two thirds in lower heater 30 and hang the 310, and first boom 110, the second boom
210, the successively interval setting along the circumferencial direction of polygonal annular structure of third boom 310.Each heater is respectively connected with 2 and hangs
Arm, such side heater pass through 6 booms in total and are fixed in ingot furnace.
Herein symmetrical refers to opposite side arrangement or diagonal distribution side heater.Specifically, with reference to Fig. 2, with two
Illustrate for one boom 110, when upper heater 10 is octagon, one of them first boom 110 is located at octagonal one
Left side, another first boom 110 are located at an octagonal right edge, the left side and right edge about in octagonal
The heart is symmetrical, and two the first booms 110 are about octagonal central symmetry.For the second boom 210 and third boom 310,
It is also similar arrangement.Also, along octagonal circumferential direction, the first boom 110, the second boom 210 and third boom 310 are successively spaced
Arrangement.In this way, the arrangement effect of formation is the first boom 110, the second boom 210, third boom along octagonal circumferential direction
310, the first boom 110, the second boom 210 and third boom 310.In this way, supporting point of first boom 110 to three heaters
It is evenly distributed, the second boom 210 is evenly distributed to the supporting point of three heaters, branch of the third boom 310 to three heaters
Support point is evenly distributed.
In some embodiments of the utility model, connected between the first boom 110 and upper heater 10 by carbon carbon bolt
It connects, insulation board 40 is respectively set between the first boom 110 and middle heater 20 and lower heater 30.As depicted in figs. 1 and 2,
Middle carbon carbon bolt omission does not illustrate that the first boom 110 is set respectively with middle heater 20 and with the overlapping position of lower heater 30
An insulation board 40 is equipped with to be dielectrically separated from the two, such first boom 110 is fixed with middle heater 20 or the insulation of lower heater 30
It is also insulated from each other both on the stacking direction of the two after connection.The fastener with insulation performance can be used the first boom
110 are fixed together with middle heater 20.
In addition, the thickness at the position that the first boom 110 is connected with upper heater 10 is greater than the first boom 110 and middle heating
The thickness at the position that device 20 is connected, and the thickness at position being connected greater than the first boom 110 with lower heater 30.Specifically
, as shown in figure 3, the position of the first boom 110 being connected with middle heater 20 and lower heater 30 forms a recess
112, the size 112 of recess can place two pieces of insulation boards 40, enable the first boom 110 and middle heater 20 and lower heater
It can be isolated by insulation board 40 between 30.The position of the top for being located at recess 112 of first boom 110 and upper heater 10 connect
It connects.In this way, first boom 110 is in contact with upper heater 10, middle heater 20 and lower heater 30 after placing insulation board 40
Surfacing.
In some embodiments of the utility model, as shown in Figure 1, passing through between the second boom 210 and middle heater 20
Carbon carbon is bolted, and insulation board 40 is respectively set between the second boom 210 and upper heater 10 and lower heater 30.It is hung with first
Arm 110 and middle heater 20 and similar with the connection of lower heater 30, after insulation board 40 is arranged, in the stacking direction, second is hung
It realizes between arm 210 and upper heater 10 and all and is dielectrically separated between second boom 210 and lower heater 30.
In addition, the thickness at the position that the second boom 210 is connected with middle heater 20 is greater than the second boom 210 and middle heating
The thickness at the position that device 20 is connected, and the thickness at position being connected greater than the second boom 210 with lower heater 30.Specifically
, as shown in figure 4, the two sides at the position that the second boom 210 is connected with middle heater 20 form a recess 212 respectively to be thinned
Thickness herein enables the second boom 310 with upper heater 10 and lower heater 30 by exhausted to place insulation board 40 respectively
Listrium 40 is isolated, and connect the position of the second boom 210 being located between two recess 212 with middle heater 20.In this way, placing
After insulation board 40, surfacing that the second boom 210 is in contact with upper heater 10, middle heater 20 and lower heater 30.
In some embodiments of the utility model, as shown in Figure 1, passing through between third boom 310 and lower heater 30
Carbon carbon is bolted, and insulation board 40 is respectively set between third boom 310 and upper heater 10 and middle heater 20.Setting insulation
After plate 40, in the stacking direction, between third boom 310 and upper heater 10 and between third boom 310 and middle heater 30
It all realizes and is dielectrically separated from.
In addition, the thickness at the position that third boom 310 is connected with lower heater 30 is greater than third boom 310 and upper heating
The thickness at the position that device 10 is connected, and the thickness at position being connected greater than third boom 310 with middle heater 30.Specifically
, as shown in figure 5, the upper position of third boom 310 is equipped with a recess 312 so that thickness herein, the ruler of the recess is thinned
Very little 312 can place two pieces of insulation boards 40, and third boom 310 is enable to pass through insulation with upper heater 10 and middle heater 20
Plate 40 is isolated.The position of the lower section for being located at recess 312 of third boom 310 is connect with lower heater 30.In this way, placing insulation board
After 40, surfacing that third boom 310 is in contact with upper heater 10, middle heater 20 and lower heater 30.
In some embodiments of the utility model, the upper end of the separate lower heater 30 of the first boom 110 have to
The boom hole 114 of connection electrode.As shown in figures 1 and 3, the upper end of the first boom 110 is located at the top of three heaters, and first
The upper end of boom 110 is equipped with boom hole 114.The boom hole 114 can be connect with electrode, and side heater is fixed on ingot casting
In the heat-insulation cage of furnace and connect heating power supply.
In some embodiments of the utility model, as shown in Figure 1 and Figure 4, the separate lower heater 30 of the second boom 210
Upper end there is boom hole 214 to connection electrode.Similar with the first boom 110, the upper end of the second boom 210, which is also taken, to be set
The mode in boom hole is set, with connection electrode.
In some embodiments of the utility model, as shown in Figure 1 and Figure 5, the separate lower heater 30 of third boom 310
Upper end there is boom hole 1314 to connection electrode.Similar with the first boom 110, the upper end of third boom 310 is also taken
The mode in boom hole is set, with connection electrode.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (10)
1. a kind of crystal silicon ingot casting side heater, which is characterized in that including being arranged above and below and three groups of independent control, respectively
Upper heater, middle heater and lower heater, wherein upper heater electrical connection has the first boom, first boom is same
Shi Yuzhong heater and lower heater insulation connection, the middle heater electrical connection have the second boom, and second boom is same
When with upper heater and lower heater insulation connect；The lower heater electrical connection has third boom, and the third boom is same
When connect with upper heater and middle heater insulation.
2. crystal silicon ingot casting side heater according to claim 1, which is characterized in that the upper heater, middle heating
Device and lower heater respectively surround a polygonal annular structure, to form three polygonal annular structures being arranged above and below.
3. crystal silicon ingot casting side heater according to claim 2, which is characterized in that the upper heater, middle heating
Device and lower heater are banded structure.
4. crystal silicon ingot casting side heater according to claim 2, which is characterized in that symmetrically connect on the upper heater
It connects there are two first boom, is symmetrically connected with two second booms on the middle heater, in the lower heater
Two third booms are symmetrically connected with, and first boom, the second boom, third boom are along the circle of polygonal annular structure
Successively interval setting in circumferential direction.
5. crystal silicon ingot casting side heater according to claim 1, which is characterized in that first boom and upper heating
It is bolted between device by carbon carbon, insulation board and first boom is provided between first boom and middle heater
Insulation board, and the table that the first boom is in contact with upper heater, middle heater and lower heater are provided between lower heater
Face is smooth.
6. crystal silicon ingot casting side heater according to claim 1, which is characterized in that second boom and middle heating
It is bolted between device by carbon carbon, insulation board and second boom is provided between second boom and upper heater
Insulation board, and the table that the second boom is in contact with upper heater, middle heater and lower heater are provided between lower heater
Face is smooth.
7. crystal silicon ingot casting side heater according to claim 1, which is characterized in that the third boom and lower heating
It is bolted between device by carbon carbon, insulation board and the third boom is provided between the third boom and upper heater
Insulation board, and the table that third boom is in contact with upper heater, middle heater and lower heater are provided between middle heater
Face is smooth.
8. crystal silicon ingot casting side heater according to claim 1, which is characterized in that the separate institute of first boom
The upper end of lower heater is stated with the boom hole to connection electrode.
9. crystal silicon ingot casting side heater according to claim 1, which is characterized in that the separate institute of second boom
The upper end of lower heater is stated with the boom hole to connection electrode.
10. crystal silicon ingot casting side heater according to claim 1, which is characterized in that the third boom it is separate
The upper end of the lower heater has the boom hole to connection electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920119873.2U CN209584422U (en) | 2019-01-23 | 2019-01-23 | Crystal silicon ingot casting side heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920119873.2U CN209584422U (en) | 2019-01-23 | 2019-01-23 | Crystal silicon ingot casting side heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209584422U true CN209584422U (en) | 2019-11-05 |
Family
ID=68380261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920119873.2U Active CN209584422U (en) | 2019-01-23 | 2019-01-23 | Crystal silicon ingot casting side heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209584422U (en) |
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2019
- 2019-01-23 CN CN201920119873.2U patent/CN209584422U/en active Active
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