CN205011861U - Polycrystalline silicon ingot furnace overflow protection architecture - Google Patents
Polycrystalline silicon ingot furnace overflow protection architecture Download PDFInfo
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- CN205011861U CN205011861U CN201520789635.4U CN201520789635U CN205011861U CN 205011861 U CN205011861 U CN 205011861U CN 201520789635 U CN201520789635 U CN 201520789635U CN 205011861 U CN205011861 U CN 205011861U
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Abstract
The utility model discloses a polycrystalline silicon ingot furnace overflow protection architecture, including setting up the overflow coil on the overflow cotton under the thermal insulation bottom plate, the overflow coil lie in overflow silicon liquid via thermal insulation bottom plate edge drippage extremely the cotton position of overflow. Polycrystalline silicon ingot furnace overflow protection architecture, when the overflow takes place for silicon liquid, regardless of be from overflow silicon liquid via thermal insulation bottom plate's spout hole drippage extremely the overflow is cotton, or by thermal insulation bottom plate edge drippage extremely the overflow is cotton, all has the overflow line to exist, can in time fuse the overflow line to play the effect of warning, thereby guarantee the production safety.
Description
Technical field
The utility model relates to polysilicon and manufactures field, particularly relates to a kind of overflowing protective structure for polycrystalline silicon ingot furnace.
Background technology
Polycrystalline silicon ingot or purifying furnace is the key equipment of solar energy power generating industry, for the production of qualified sun power polycrystal silicon ingot.In polycrystalline silicon ingot or purifying furnace ingot casting process, the silicon liquid in crucible of polycrystalline silicon ingot furnace, due to the crucible defectiveness of dress silicon material, or nonstandard reason of feeding, can from the top of crucible or the overflow of crucible cracks.If silicon liquid flows to bottom of furnace body, then can by metal body of heater corrosion failure, under high temperature action, the water in furnace sandwich can instantaneous vaporization, and furnace pressure rises suddenly, causes the danger of blast.Therefore polycrystalline silicon ingot or purifying furnace must have overflow sfgd..
The overflow guard method of existing polycrystalline silicon ingot or purifying furnace mainly contains: cotton in the paving overflow of the bottom of body of heater, and overflow cotton lays overflow line, and overflow line arranges paving track by inside and outside two circles.During overflow, overflow line fuses by silicon liquid, triggers overflow and reports to the police.Current overflow line laying layout is unreasonable.When the generation overflow of silicon liquid, silicon liquid may from the top of crucible or the overflow of crucible cracks, and overflow silicon liquid splashes down to the regional extent of overflow cotton larger.Current overflow line laying scope is little, mainly detects the silicon liquid flowed down by overflow weir, and cannot be fused by overflow line in time from the silicon liquid away from overflow line by splashing down to overflow is cotton, thus do not have timely alarm function.
Utility model content
The purpose of this utility model is to provide a kind of overflowing protective structure for polycrystalline silicon ingot furnace, the promptness of trigger alarm when there is overflow in order to improve in ingot casting process, thus ensures production safety.
For solving the problems of the technologies described above; the utility model embodiment provides a kind of overflowing protective structure for polycrystalline silicon ingot furnace; comprise the overflow coil on the overflow cotton that is arranged under heat-preservation bottom, described overflow coil is positioned at overflow silicon liquid drops to described overflow cotton position via described heat-preservation bottom edge.
Wherein, described overflow coil comprises multi-turn overflow line.
Wherein, described overflow coil is square overflow coil, circular overflow coil or volution overflow coil.
Wherein, described overflow coil is the overflow coil that an overflow line is arranged on described overflow cotton.
Wherein, described overflow coil comprises three circle overflow lines, comprise be positioned at overflow silicon liquid via the overflow weir of described heat-preservation bottom drop to the position of described overflow cotton inner ring overflow line, be positioned at overflow silicon liquid and drop to the centre circle overflow line of the position of described overflow cotton via described heat-preservation bottom edge and be positioned at the outer ring overflow line that overflow silicon liquid to splash down from crucible top to the position of described overflow cotton.
Wherein, the external connection end of described overflow coil is positioned at outside the inner ring overflow line inner or outer circle overflow line of described overflow coil.
The overflowing protective structure for polycrystalline silicon ingot furnace that the utility model embodiment provides, compared with prior art, has the following advantages:
The overflowing protective structure for polycrystalline silicon ingot furnace that the utility model embodiment provides, comprise the overflow coil on the overflow cotton that is arranged under heat-preservation bottom, described overflow coil is positioned at overflow silicon liquid drops to described overflow cotton position via described heat-preservation bottom edge.
Described overflowing protective structure for polycrystalline silicon ingot furnace; on the basis of existing technology; by the position dropping to described overflow cotton via described heat-preservation bottom edge at overflow silicon liquid, overflow coil is set; when the generation overflow of silicon liquid; no matter that to drop to described overflow from overflow silicon liquid via the overflow weir of described heat-preservation bottom cotton; or it is cotton to drop to described overflow by described heat-preservation bottom edge; overflow line is had to exist; in time overflow line can be fused; thus play the effect of warning, thus ensure production safety.
In sum, the overflowing protective structure for polycrystalline silicon ingot furnace that the utility model embodiment provides, by the overflow coil on the overflow cotton under heat-preservation bottom, fuses overflow line in time, thus plays the effect of warning, thus ensure production safety.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The front view schematic diagram of the set-up mode of overflowing protective structure for polycrystalline silicon ingot furnace in polycrystalline silicon ingot or purifying furnace that Fig. 1 provides for the utility model embodiment;
A kind of embodiment schematic diagram of the overflow coil of the overflowing protective structure for polycrystalline silicon ingot furnace that Fig. 2 provides for the utility model embodiment.
Embodiment
Just as described in the background section, current overflow line laying layout is unreasonable.When the generation overflow of silicon liquid, silicon liquid may from the top of crucible or the overflow of crucible cracks, and overflow silicon liquid splashes down to the regional extent of overflow cotton larger.Current overflow line laying scope is little, mainly detects the silicon liquid flowed down by overflow weir, and cannot be fused by overflow line in time from the silicon liquid away from overflow line by splashing down to overflow is cotton, thus do not have timely alarm function.
Based on this; the utility model embodiment provides a kind of overflowing protective structure for polycrystalline silicon ingot furnace; comprise the overflow coil on the overflow cotton that is arranged under heat-preservation bottom, described overflow coil is positioned at overflow silicon liquid drops to described overflow cotton position via described heat-preservation bottom edge.
In sum; the overflowing protective structure for polycrystalline silicon ingot furnace that the utility model embodiment provides; on the basis of existing technology; by the position dropping to described overflow cotton via described heat-preservation bottom edge at overflow silicon liquid, overflow coil is set; when the generation overflow of silicon liquid; no matter that to drop to described overflow from overflow silicon liquid via the overflow weir of described heat-preservation bottom cotton; or it is cotton to drop to described overflow by described heat-preservation bottom edge; overflow line is had to exist; in time overflow line can be fused; thus play the effect of warning, thus ensure production safety.
For enabling above-mentioned purpose of the present utility model, feature and advantage more become apparent, and are described in detail embodiment of the present utility model below in conjunction with accompanying drawing.
Set forth detail in the following description so that fully understand the utility model.But the utility model can be different from alternate manner described here to implement with multiple, those skilled in the art can when doing similar popularization without prejudice to when the utility model intension.Therefore the utility model is not by the restriction of following public concrete enforcement.
Please refer to Fig. 1 and Fig. 2, the front view schematic diagram of the set-up mode of overflowing protective structure for polycrystalline silicon ingot furnace in polycrystalline silicon ingot or purifying furnace that Fig. 1 provides for the utility model embodiment; A kind of embodiment schematic diagram of the overflow coil of the overflowing protective structure for polycrystalline silicon ingot furnace that Fig. 2 provides for the utility model embodiment.
In the concrete mode of one; described overflowing protective structure for polycrystalline silicon ingot furnace; comprise the overflow coil 10 on the overflow cotton that is arranged under heat-preservation bottom, described overflow coil 10 is positioned at overflow silicon liquid drops to described overflow cotton 30 position via described heat-preservation bottom 20 edge.
Described overflowing protective structure for polycrystalline silicon ingot furnace; on the basis of existing technology; by the position dropping to described overflow cotton via described heat-preservation bottom 20 edge at overflow silicon liquid, overflow coil is set; when the generation overflow of silicon liquid; no matter that to drop to described overflow from overflow silicon liquid via the overflow weir of described heat-preservation bottom 20 cotton; or drop to described overflow cotton 30 by described heat-preservation bottom 20 edge; overflow line is had to exist; in time overflow line can be fused; thus play the effect of warning, thus ensure production safety.
Described polycrystalline ingot furnace overflowing protection; generally also comprise: body of heater, quartz crucible, crucible guard boards and the crucible bottom plate be positioned at below crucible; graphitic cooling block is provided with below described crucible bottom plate; described heat-preservation bottom is provided with below described graphitic cooling block; be covered with overflow cotton 30 below described bottom holding plates 20, described overflow cotton 30 lays overflow line above.
Described overflow coil 10 can be the multi-turn overflow line coiled around the axis of described body of heater, can be to drop at described overflow silicon liquid the overflow line position of described overflow cotton and described overflow silicon liquid to drop to described overflow cotton position via the overflow weir of described heat-preservation bottom being carried out pitch of the laps setting via described heat-preservation bottom edge, the utility model do concrete restriction to this yet.
The mode that described overflow coil 10 is arranged in described body of heater is varied, described overflow coil 10 is square overflow coil, circular overflow coil or volution overflow coil, be illustrated in figure 2 a thread square overflow coil of overflow, certainly can also be set to other shape, the utility model is not specifically limited.
Quantity due to described overflow coil is multiple mostly, and the overflow line forming overflow coil 10 can be same overflow line, also can be many overflow lines, namely described overflow coil be the overflow coil that the overflow coil that arranges on described overflow cotton of an overflow line or many overflow lines are arranged on described overflow cotton.The benefit of the overflow coil be arranged to by an overflow line is, technique is simple, and external connection end is considerably less, and external connection end is arranged conveniently.The benefit of the overflow coil be arranged to by many overflow lines is, what reason generation overflow can obtain very soon after the fusing of acquisition overflow coil is due to, can by decision-making in advance according to prediction scheme process, processing efficiency is high, unlike only having a thread overflow coil of overflow, can only know after fusing and currently there occurs overflow, but not knowing overflow reason, can not prediction scheme be formed, deal with and comparatively bother.It should be noted that, the utility model is not specifically limited for the quantity of the overflow line forming described overflow coil.
Many times, can carry out and alarm the flooded conditions of the overwhelming majority when quantity of described overflow coil is three, namely described overflow coil comprises three circle overflow lines, comprise be positioned at overflow silicon liquid via the overflow weir of described heat-preservation bottom drop to the position of described overflow cotton inner ring overflow line 11, be positioned at overflow silicon liquid and drop to the centre circle overflow line 12 of the position of described overflow cotton via described heat-preservation bottom edge and be positioned at the outer ring overflow line 13 that overflow silicon liquid to splash down from crucible top to the position of described overflow cotton.
Need during termination due to overflow coil 10 and outside connection just can report to the police, the external connection end 14 of described overflow coil is positioned at that the inner ring overflow line of described overflow coil is inner or outer to be enclosed outside overflow line.The general inner side external connection end of overflow coil being arranged on the inner ring overflow coil of described overflow coil, otherwise likely warning device damages by overflow silicon liquid.
In sum; the overflowing protective structure for polycrystalline silicon ingot furnace that the utility model embodiment provides; on the basis of existing technology; by the position dropping to described overflow cotton via described heat-preservation bottom edge at overflow silicon liquid, overflow coil is set; when the generation overflow of silicon liquid; no matter that to drop to described overflow from overflow silicon liquid via the overflow weir of described heat-preservation bottom cotton; or it is cotton to drop to described overflow by described heat-preservation bottom edge; overflow line is had to exist; in time overflow line can be fused; thus play the effect of warning, thus ensure production safety.
Above overflowing protective structure for polycrystalline silicon ingot furnace provided by the utility model is described in detail.Apply specific case herein to set forth principle of the present utility model and embodiment, the explanation of above embodiment just understands method of the present utility model and core concept thereof for helping.Should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model principle, can also carry out some improvement and modification to the utility model, these improve and modify and also fall in the protection domain of the utility model claim.
Claims (6)
1. an overflowing protective structure for polycrystalline silicon ingot furnace, is characterized in that, comprise the overflow coil on the overflow cotton that is arranged under heat-preservation bottom, described overflow coil is positioned at overflow silicon liquid drops to described overflow cotton position via described heat-preservation bottom edge.
2. overflowing protective structure for polycrystalline silicon ingot furnace as claimed in claim 1, it is characterized in that, described overflow coil comprises multi-turn overflow line.
3. overflowing protective structure for polycrystalline silicon ingot furnace as claimed in claim 2, it is characterized in that, described overflow coil is square overflow coil, circular overflow coil or volution overflow coil.
4. overflowing protective structure for polycrystalline silicon ingot furnace as claimed in claim 3, it is characterized in that, described overflow coil is the overflow coil that an overflow line is arranged on described overflow cotton.
5. overflowing protective structure for polycrystalline silicon ingot furnace as claimed in claim 4; it is characterized in that; described overflow coil comprises three circle overflow lines, comprise be positioned at overflow silicon liquid via the overflow weir of described heat-preservation bottom drop to the position of described overflow cotton inner ring overflow line, be positioned at overflow silicon liquid and drop to the centre circle overflow line of the position of described overflow cotton via described heat-preservation bottom edge and be positioned at the outer ring overflow line that overflow silicon liquid to splash down from crucible top to the position of described overflow cotton.
6. overflowing protective structure for polycrystalline silicon ingot furnace as claimed in claim 5, is characterized in that, the external connection end of described overflow coil is positioned at outside the inner ring overflow line inner or outer circle overflow line of described overflow coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520789635.4U CN205011861U (en) | 2015-10-12 | 2015-10-12 | Polycrystalline silicon ingot furnace overflow protection architecture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520789635.4U CN205011861U (en) | 2015-10-12 | 2015-10-12 | Polycrystalline silicon ingot furnace overflow protection architecture |
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| Publication Number | Publication Date |
|---|---|
| CN205011861U true CN205011861U (en) | 2016-02-03 |
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| CN201520789635.4U Active CN205011861U (en) | 2015-10-12 | 2015-10-12 | Polycrystalline silicon ingot furnace overflow protection architecture |
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| CN (1) | CN205011861U (en) |
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- 2015-10-12 CN CN201520789635.4U patent/CN205011861U/en active Active
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