CN214400798U - Supporting device for feeder of single crystal furnace - Google Patents
Supporting device for feeder of single crystal furnace Download PDFInfo
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- CN214400798U CN214400798U CN202022831534.2U CN202022831534U CN214400798U CN 214400798 U CN214400798 U CN 214400798U CN 202022831534 U CN202022831534 U CN 202022831534U CN 214400798 U CN214400798 U CN 214400798U
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- single crystal
- crystal furnace
- support ring
- heat insulation
- supporting
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Abstract
The utility model discloses a supporting device for a feeder of a single crystal furnace, which comprises a supporting ring and a heat insulation piece for supporting the supporting ring at the mouth of the single crystal furnace, wherein the heat insulation piece is provided with an opening and is clamped and fixed on the supporting ring through the opening, and the number of the heat insulation piece is at least two; compared with the prior art, the utility model has the advantages that: the heat insulation piece can be stably clamped and fixed on the support ring to avoid direct contact of the support ring and a furnace mouth of the single crystal furnace, the phenomenon that the support ring slides down from the support ring to fall into the single crystal furnace below under the influence of a long-term high-temperature environment is effectively avoided, the heat insulation piece is clamped and fixed without fixing pieces such as screws, and the mounting and dismounting are simple and convenient.
Description
Technical Field
The utility model relates to a single crystal growing furnace field, concretely relates to single crystal growing furnace charging means strutting arrangement.
Background
The silicon single crystal rod is pulled directly, which is an important part in the current solar silicon wafer production, wherein polycrystalline silicon is required to be put into a single crystal furnace to be heated so as to be converted from a solid state into a liquid state, the volume is reduced after the physical form is converted, and the liquid level of a silicon solution is lower than the opening edge of a crucible of the single crystal furnace, so that the polycrystalline silicon solid is continuously added into the single crystal furnace by repeatedly throwing a quartz feeder for multiple times at present, and the production cost is reduced by improving the single-machine productivity.
The quartz feeder is erected at the furnace mouth of the single crystal furnace through the stainless steel support ring, and in the re-feeding process, the temperature of the furnace mouth of the single crystal furnace is extremely high, so that the stainless steel support ring needs to be insulated, and at present, the polytetrafluoroethylene gasket is fixed on the stainless steel support ring through the screw rod to insulate heat and prevent metal chips generated by friction between the stainless steel support ring and the furnace mouth of the single crystal furnace at high temperature from falling into the furnace to influence the electrical performance of the silicon rod. However, in practical production and use, under the influence of a long-time high-temperature environment, a screw for fixing the tetrafluoro gasket is easy to fall off, so that the tetrafluoro gasket falls into a single crystal furnace below to pollute raw materials.
Disclosure of Invention
The utility model discloses the purpose is: provides a supporting device for a feeder of a single crystal furnace.
The technical scheme of the utility model is that: the supporting device for the feeder of the single crystal furnace comprises a supporting ring and a heat insulation piece for supporting the supporting ring at the mouth of the single crystal furnace, wherein an opening is formed in the heat insulation piece, the heat insulation piece is clamped and fixed on the supporting ring through the opening, and the number of the heat insulation pieces is at least two.
In some preferred embodiments, the heat insulation member includes a first clamping portion and a second clamping portion respectively attached to two end faces of the support ring, and a first connecting portion connected between the first clamping portion and the second clamping portion, and the first connecting portion is attached to an outer circumferential surface or an inner circumferential surface of the support ring.
In some preferred embodiments, the first clamping portion is disposed away from the single crystal furnace, the second clamping portion is disposed adjacent to the single crystal furnace, the first clamping portion has a through hole, and the support ring is connected to a screw rod inserted into the through hole.
In some preferred embodiments, the screw rod is movably disposed on the support ring, two ends of the screw rod are both connected with fixing members, the fixing members respectively abut against two end surfaces of the support ring, and a blind hole for accommodating the fixing member is disposed on a surface of the second clamping portion facing the support ring.
In some preferred embodiments, the edge of the first clamping portion and/or the edge of the second clamping portion opposite to the first connecting portion are provided with flanges for limiting the radial displacement of the heat insulation piece on the support ring.
In some preferred embodiments, the heat insulation member includes a fourth clamping portion and a fifth clamping portion respectively attached to the inner and outer peripheral surfaces of the support ring, and a second connection portion connected between the fourth clamping portion and the fifth clamping portion, the fourth clamping portion and the fifth clamping portion each have an extension portion extending from an edge far away from the second connection portion, and the extension portions and the second connection portion are respectively attached to end faces of two ends of the support ring.
In some preferred embodiments, when the second connecting portion is attached to the end surface of the support ring away from the single crystal furnace, a through hole is formed in the second connecting portion, and the support ring is connected with a screw rod penetrating through the through hole.
In some preferred embodiments, when the second connecting portion is attached to the end surface of the support ring adjacent to the single crystal furnace, the second connecting portion is provided with a blind hole facing the support ring.
In some preferred embodiments, the thermal insulation members are arranged equidistantly on the support ring.
In some preferred embodiments, the lower edge of the outer side of the heat insulation piece away from the circle center of the support ring is provided with a chamfer which is convenient for the support ring to sink into the single crystal furnace.
Compared with the prior art, the utility model has the advantages that: the heat insulation piece can be stably clamped and fixed on the support ring to avoid direct contact of the support ring and a furnace mouth of the single crystal furnace, the phenomenon that the support ring slides down from the support ring to fall into the single crystal furnace below under the influence of a long-term high-temperature environment is effectively avoided, the heat insulation piece is clamped and fixed without fixing pieces such as screws, and the mounting and dismounting are simple and convenient.
Drawings
In order to make the objects, technical solutions and advantages of the present invention clearer, the following description will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
FIG. 1 is a schematic structural view of a feeder supporting device of a single crystal furnace provided in example 1;
FIG. 2 is a perspective view of a heat shield in the single crystal furnace provided in example 1;
wherein: 1. a support ring; 2. a thermal insulation member; 21. a first clamping part; 22. a second clamping part; 23. a first connection portion; 3. a through hole; 4. blind holes; 5. blocking edges; 6. and (6) chamfering.
Detailed Description
The application aims at providing a single crystal growing furnace charging means strutting arrangement, through changing the gasket structure, uses the solid support ring of opening heat insulating part card to install, utilizes the stable in structure of heat insulating part itself to fix on the support ring in order to solve present single crystal growing furnace charging means strutting arrangement after long-term the use, fixes the ageing not hard up problem that falls into the single crystal growing furnace in below of fasteners such as the screw rod on the support ring with the gasket.
Example 1: the embodiment provides a supporting device for a feeder of a single crystal furnace, which is shown in fig. 1 and fig. 2 and comprises a supporting ring 1 and a heat insulation piece 2 for supporting the supporting ring 1 at a mouth of the single crystal furnace, wherein the heat insulation piece 2 is provided with an opening, the heat insulation piece 2 is clamped and fixed on the supporting ring 1 through the opening, and at least two heat insulation pieces 2 are provided.
Specifically, in this embodiment, the heat insulating part includes respectively with the first joint portion 21 and the second joint portion 22 of the laminating of the both ends terminal surface of support ring 1, and connect in first connecting portion 23 between first joint portion 21 and the second joint portion 22, first connecting portion 23 with the outer peripheral face of support ring 1 pastes mutually.
The first clamping portion 21 is far away from the single crystal furnace, the second clamping portion 22 is close to the single crystal furnace, the first clamping portion 21 is provided with a through hole 3, and the support ring 1 is connected with a screw rod (not shown) penetrating through the through hole 3.
The screw rod is movably inserted into the support ring 1, fixing members (not shown) are connected to two ends of the screw rod and abut against two end surfaces of the support ring 1, the fixing members may be any members such as nuts that are mounted at the end of the screw rod and prevent the screw rod from moving out of the support ring 1, this embodiment is not limited to this, and the surface of the second clamping portion 22 facing the support ring 1 is provided with a blind hole 4 for accommodating the fixing member. The mounting holding prevents that the mounting from producing the laminating that the gap influences second joint portion 22 and support ring 1 with second joint portion 22 jack-up in blind hole 4 and reduces heat insulating part 2 and support ring 1 and stable to second joint portion 22 bears the mounting, prevents that the not hard up whereabouts of mounting from falling into the shaping quality that influences the crystal bar in the single crystal growing furnace.
Preferably, the edge of the first clamping portion 21 and/or the second clamping portion 22 opposite to the first connecting portion 23 is provided with a rib 5 for limiting the radial displacement of the heat insulation piece 2 on the support ring 1. Specifically, the first clamping portion 21 may be disposed on the rib 5 attached to the inner circumferential surface of the support ring 1 at the opening edge of the heat insulating member, the second clamping portion 22 may be disposed on the rib 5 attached to the inner circumferential surface of the support ring 1 at the opening edge of the heat insulating member, or both the first clamping portion 21 and the second clamping portion 22 may be disposed on the rib 5 attached to the inner circumferential surface of the support ring 1 at the opening edge of the heat insulating member, so as to prevent the heat insulating member 2 from moving in the radial direction of the support ring 1 after the heat insulating member 2 is clamped to the support ring 1.
Preferably, the heat insulation pieces 2 are arranged on the support ring 1 at equal intervals, so that the support device is prevented from being inclined due to uneven gravity center of the whole support device and affecting feeding.
Preferably, the lower edge of the outer side of the heat insulation piece 2 away from the circle center of the support ring 1 is provided with a chamfer 6 for facilitating the support ring 1 to sink into the single crystal furnace.
During installation, the screw rod penetrates through the support ring 1, the first fixing piece and the second fixing piece are connected to the two ends of the screw rod respectively, the first fixing piece and the second fixing piece are abutted to the two end faces of the support ring 1 respectively, the first fixing piece and the end face, facing the single crystal furnace, of the support ring 1 are abutted to the end face, then the heat insulation piece 2 is clamped and fixed to the support ring 1, the blind hole 4 in the second clamping portion 22 accommodates the first fixing piece, the other end of the screw rod penetrates through the through hole 3 in the first clamping portion 21, and the second fixing piece is accommodated in the through hole 3.
The single crystal furnace charging means strutting arrangement that this embodiment provided is equipped with the opening on the heat insulating part, and heat insulating part opening sets up to the support ring, fixes on the support ring from support ring periphery card, can stabilize the card and fix on the support ring and avoid support ring and single crystal furnace mouth direct contact, effectively avoids in the single crystal furnace that slides from the support ring and drop into the below under long-term high temperature environment influences to fixing need fixings such as screw rod to fix, loading and unloading are simple and convenient.
Further, the blind hole of the fixing piece connected with the bottom of the accommodating screw rod is arranged on the inner side of the bottom of the heat insulation piece, the fixing piece is prevented from jacking the second clamping portion to generate a gap to influence the attachment of the second clamping portion and the support ring, the cooperation between the heat insulation piece and the support ring is reduced stably, the second clamping portion supports the fixing piece, and the fixing piece is prevented from falling into the single crystal furnace to influence the forming quality of the crystal bar.
Furthermore, the lower edge of the outer side of the heat insulation piece, which is far away from the circle center of the support ring, is provided with a chamfer which is convenient for the support ring to sink into the single crystal furnace, and the support ring provided with the heat insulation piece sinks smoothly under the action of gravity and is abutted against the furnace mouth of the single crystal furnace during installation.
Example 2: the supporting apparatus for a feeder of a single crystal furnace according to the present embodiment is different from embodiment 1 only in that the first connecting portion 23 of the heat insulator 2 is attached to the inner peripheral surface of the support ring 1, that is, the opening of the heat insulator 2 faces the outside of the support ring 1, and the heat insulator 2 is fixedly fastened from the inner peripheral surface of the support ring 1 to the outer peripheral surface.
The beneficial effect of this embodiment is different from that of embodiment 1 only in that the opening of the heat insulation member is disposed toward the outer circumference of the support ring, and is clamped and fixed on the support ring from the inner circumferential surface of the support ring, which is not described herein again.
Example 3: the difference between the supporting device for the feeder of the single crystal furnace provided by the embodiment and the embodiment 1 is that:
the heat insulating part including respectively with fourth joint portion and the fifth joint portion of the interior, the outer peripheral face laminating of support ring, connect in second connecting portion between fourth joint portion and the fifth joint portion, fourth joint portion and fifth joint portion all are in keeping away from the edge extension of second connecting portion has the extension, the extension with the second connecting portion respectively with the laminating of the both ends terminal surface of support ring.
In this embodiment, the second connecting portion is attached to the end surface of the support ring away from the single crystal furnace, that is, the opening of the heat insulating member is disposed toward the single crystal furnace, the support ring is separated from the furnace opening of the single crystal furnace by the extending portion, preferably, the second connecting portion is provided with a through hole, and the support ring is connected to a screw rod penetrating through the through hole.
During installation, the screw penetrates through the support ring, the first fixing piece and the second fixing piece are respectively installed at two ends of the screw, the first fixing piece and the second fixing piece are respectively abutted against two end faces of the support ring, the first fixing piece and the end face, facing the single crystal furnace, of the support ring are abutted against each other, then the screw penetrates through the through hole in the heat insulation piece, the heat insulation piece is clamped and fixed on the support ring, and the second fixing piece is contained in the through hole. Or the heat insulation piece is clamped and fixed on the support ring, then the screw rod penetrates through the through hole of the heat insulation piece, then the first fixing piece and the second fixing piece are installed, the second fixing piece is contained in the through hole, and the first fixing piece is located at the opening of the heat insulation piece.
The single crystal furnace charging means strutting arrangement that this embodiment provided, be equipped with the opening on the heat insulating part, the heat insulating part opening sets up towards the single crystal furnace, the card is fixed on the support ring from the support ring top (on the support ring kept away from the terminal surface of single crystal furnace), will stabilize the card and fix on the support ring, avoid support ring and single crystal furnace fire door direct contact through the extension limit of opening part, effectively avoid sliding from the support ring under the influence of long-term high temperature environment and fall into in the single crystal furnace of below, and self card is fixed to be fixed and need not the mounting such as screw rod and fix, loading and unloading are simple and convenient.
Furthermore, a chamfer which is convenient for the support ring to sink into the single crystal furnace is arranged outside the heat insulation piece adjacent to the outer side wall of the support ring, so that the support ring provided with the heat insulation piece can sink smoothly under the action of gravity and is abutted against a furnace mouth of the single crystal furnace during installation.
Example 4: this example differs from example 3 in that: the second connecting portion is attached to the end face, close to the single crystal furnace, of the support ring, namely the opening of the heat insulation piece is arranged back to the single crystal furnace, the support ring is separated from the furnace opening of the single crystal furnace through the second connecting portion, the extension portion and the end face, far away from the single crystal furnace, of the support ring are attached to prevent the heat insulation piece from falling under gravity, and preferably, the second connecting portion is provided with a blind hole facing the support ring.
The supporting device for the single crystal furnace feeder provided by the embodiment is characterized in that the opening of the heat insulation piece is arranged back to the single crystal furnace, the heat insulation piece is clamped and fixed on the support ring from the bottom of the support ring (on the end face of the support ring close to the single crystal furnace), the extension part and the end face of the support ring far away from the single crystal furnace are attached to prevent the heat insulation piece from falling down under gravity, the heat insulation piece can be stably clamped and fixed on the support ring, the support ring is prevented from being in direct contact with the furnace opening of the single crystal furnace, the phenomenon that the support ring slides down from the support ring under the influence of long-term high-temperature environment is effectively avoided, the self-clamping fixation is free of fixation of fixing pieces such as a screw rod, and the loading and unloading are simple.
Further, the blind hole of the fixing piece connected with the bottom of the accommodating screw rod is arranged on the inner side of the bottom of the heat insulation piece, the fixing piece is prevented from jacking the second clamping portion to generate a gap to influence the attachment of the second clamping portion and the support ring, the cooperation between the heat insulation piece and the support ring is reduced stably, the second clamping portion supports the fixing piece, and the fixing piece is prevented from falling into the single crystal furnace to influence the forming quality of the crystal bar.
Furthermore, a chamfer which is convenient for the support ring to sink into the single crystal furnace is arranged outside the heat insulation piece adjacent to the outer side wall of the support ring, so that the support ring provided with the heat insulation piece can sink smoothly under the action of gravity and is abutted against a furnace mouth of the single crystal furnace during installation.
During installation, the screw penetrates through the support ring, the first fixing piece and the second fixing piece are respectively installed at two ends of the screw, the first fixing piece and the second fixing piece are respectively abutted against two end faces of the support ring, the first fixing piece and the end face, facing the single crystal furnace, of the support ring are abutted against each other, then the heat insulation piece is clamped and fixed onto the support ring from the bottom of the support ring, the first fixing piece is contained in the blind hole, and the second fixing piece is located at an opening of the heat insulation piece.
In the description of the present invention, it is to be understood that the terms "above", "inside", "outside", "top", "bottom", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and 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 thus, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", "third", "fourth", "fifth", "sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", "third", "fourth", "fifth", "sixth" may explicitly or implicitly include one or more of the features.
Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically 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 in specific cases to those skilled in the art. The above-mentioned embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, which should not be construed as limiting the scope of the present invention. All modifications made according to the spirit of the main technical scheme of the present invention shall be covered within the protection scope of the present invention.
Claims (8)
1. The supporting device for the feeder of the single crystal furnace is characterized by comprising a supporting ring and a heat insulation piece for supporting the supporting ring at the mouth of the single crystal furnace, wherein an opening is formed in the heat insulation piece, the heat insulation piece is fixedly clamped on the supporting ring through the opening, and at least two heat insulation pieces are arranged;
the heat insulation piece comprises a first clamping part, a second clamping part and a first connecting part, wherein the first clamping part and the second clamping part are respectively attached to the end faces of the two ends of the support ring, the first connecting part is connected between the first clamping part and the second clamping part, and the first connecting part is attached to the outer peripheral surface or the inner peripheral surface of the support ring;
the first clamping portion is far away from the single crystal furnace, the second clamping portion is close to the single crystal furnace, a through hole is formed in the first clamping portion, and the support ring is connected with a screw rod penetrating through the through hole.
2. The supporting device for the feeder of the single crystal furnace as claimed in claim 1, wherein the screw is movably inserted into the supporting ring, two ends of the screw are connected with fixing members respectively abutting against two end faces of the supporting ring, and a blind hole for accommodating the fixing members is formed in a face of the second clamping portion facing the supporting ring.
3. The supporting device for the feeder of the single crystal furnace according to claim 1 or 2, wherein a flange for limiting the radial displacement of the heat insulating part along the supporting ring is arranged on the edge of the first clamping part and/or the second clamping part opposite to the first connecting part.
4. The supporting device for the feeder of the single crystal furnace as claimed in claim 1, wherein the heat insulating member comprises a fourth clamping portion and a fifth clamping portion respectively attached to the inner and outer peripheral surfaces of the supporting ring, and a second connecting portion connected between the fourth clamping portion and the fifth clamping portion, the fourth clamping portion and the fifth clamping portion are extended at the edge far away from the second connecting portion to form an extending portion, and the extending portion and the second connecting portion are respectively attached to the end faces of the two ends of the supporting ring.
5. The supporting device for the feeder of the single crystal furnace according to claim 4, wherein when the second connecting portion is attached to the end surface of the supporting ring away from the single crystal furnace, the second connecting portion is provided with a through hole, and the supporting ring is connected with a screw rod penetrating through the through hole.
6. The supporting device for the feeder of the single crystal furnace as claimed in claim 4, wherein when the second connecting portion is attached to the end surface of the supporting ring adjacent to the single crystal furnace, the second connecting portion is provided with a blind hole facing the supporting ring.
7. The single crystal furnace feeder support apparatus of any one of claims 1-2,4-6, wherein the thermal shield is equidistantly arranged on the support ring.
8. The single crystal furnace feeder support device of claim 7, wherein the lower edge of the outer side of the heat shield away from the center of the circle of the support ring is provided with a chamfer facilitating the support ring to sink into the single crystal furnace.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022831534.2U CN214400798U (en) | 2020-11-30 | 2020-11-30 | Supporting device for feeder of single crystal furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022831534.2U CN214400798U (en) | 2020-11-30 | 2020-11-30 | Supporting device for feeder of single crystal furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214400798U true CN214400798U (en) | 2021-10-15 |
Family
ID=78035788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022831534.2U Active CN214400798U (en) | 2020-11-30 | 2020-11-30 | Supporting device for feeder of single crystal furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214400798U (en) |
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2020
- 2020-11-30 CN CN202022831534.2U patent/CN214400798U/en active Active
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