CN216890123U - Reduction furnace is with concatenation silicon core structure - Google Patents
Reduction furnace is with concatenation silicon core structure Download PDFInfo
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- CN216890123U CN216890123U CN202220697385.1U CN202220697385U CN216890123U CN 216890123 U CN216890123 U CN 216890123U CN 202220697385 U CN202220697385 U CN 202220697385U CN 216890123 U CN216890123 U CN 216890123U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The utility model relates to the technical field of polycrystalline silicon production, in particular to a spliced silicon core structure for a reduction furnace. The main technical scheme is as follows: a spliced silicon core structure for a reduction furnace comprises: a first silicon core and a second silicon core; one end of the first silicon core is provided with a dovetail tenon structure; one end of the second silicon core is provided with a dovetail mortise structure; the dovetail tenon structure of the first silicon core can be pressed into the dovetail mortise structure of the second silicon core to lock the relative positions of the first silicon core and the second silicon core and keep the central line of the first silicon core and the central line of the second silicon core on the same straight line. By adopting the utility model, the installation quality and stability of the spliced silicon core can be improved, and the installation difficulty is reduced.
Description
Technical Field
The utility model relates to the technical field of polycrystalline silicon production, in particular to a spliced silicon core structure for a reduction furnace.
Background
In the production technology of polycrystalline silicon, the improved siemens method is the main production method. The silicon core is used as a deposition carrier in the production process, is a core auxiliary material in the production of polycrystalline silicon, and is also a key link for determining the productivity and quality of the polycrystalline silicon of the reduction furnace. With the continuous development of reduction furnaces, the capacity of the reduction furnaces is continuously increased, and the length and quality of the required silicon core are continuously increased. The polysilicon rod has the characteristics of high hardness and brittle material, the integrity of the polysilicon rod is difficult to ensure in the transportation, loading and unloading processes, and the length requirement of silicon cores for production cannot be met.
In the prior art, the length requirement in the production of the silicon core is met by adopting a silicon core lapping mode. At present, the lapping mode is mainly that a taper hole and a taper head matched with the taper hole are respectively processed on the end surfaces of two different silicon cores, and then the two silicon cores are spliced with each other to meet the length requirement. Due to the machining deviation, the matching of the conical head and the conical hole has certain difference, the problems of dislocation, falling, looseness and the like are easy to occur in the installation process, so that the silicon core is difficult to install, and the silicon core is easy to impact and shake by airflow in the reduction furnace during production, so that the blow-in abnormality is caused.
SUMMERY OF THE UTILITY MODEL
In view of the above, the utility model provides a spliced silicon core structure for a reduction furnace, and mainly aims to improve the installation quality and stability of spliced silicon cores and reduce the installation difficulty.
In order to achieve the purpose, the utility model mainly provides the following technical scheme:
the embodiment of the utility model provides a spliced silicon core structure for a reduction furnace, which comprises: a first silicon core and a second silicon core;
one end of the first silicon core is provided with a dovetail tenon structure;
one end of the second silicon core is provided with a dovetail mortise structure;
the dovetail tenon structure of the first silicon core can be pressed into the dovetail mortise structure of the second silicon core to lock the relative positions of the first silicon core and the second silicon core and keep the central line of the first silicon core and the central line of the second silicon core on the same straight line.
Further, still include: a third silicon core;
one end of the third silicon core is of a dovetail tenon structure;
the other end of the third silicon core is of a dovetail mortise structure;
the dovetail tenon structure of the first silicon core can be pressed into the dovetail mortise structure of the third silicon core so as to lock the relative position of the first silicon core and the third silicon core;
the dovetail tenon structure of the third silicon core can press the dovetail mortise structure of the second silicon core so as to lock the relative position of the second silicon core and the third silicon core and keep the central line of the first silicon core, the central line of the second silicon core and the central line of the third silicon core on the same straight line.
Further, the dovetail structure on the first silicon core extends from one side of the first silicon core to the other side of the first silicon core.
Furthermore, a plurality of dovetail tenon structures are arranged on the first silicon core;
a plurality of dovetail-shaped structures are arranged on the second silicon core; the dovetail mortise structures on the second silicon core and the dovetail tenon structures on the first silicon core are arranged in a one-to-one correspondence mode.
Further, the first silicon core is of a cylindrical structure;
the second silicon core is of a cylindrical structure.
Further, the first silicon core and the second silicon core are coaxially arranged.
Further, the first silicon core is in a prism-shaped structure;
the second silicon core is in a prism-shaped structure.
By the technical scheme, the spliced silicon core structure for the reduction furnace at least has the following advantages:
the installation quality and stability of the spliced silicon core can be improved, and the installation difficulty is reduced.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings.
Drawings
Fig. 1 is a schematic diagram illustrating splicing of a first silicon core and a second silicon core in a spliced silicon core structure for a reduction furnace according to an embodiment of the present invention;
fig. 2 is a schematic diagram illustrating a first silicon core and a second silicon core in a spliced silicon core structure for a reduction furnace according to an embodiment of the present invention;
fig. 3 is a schematic diagram illustrating splicing of a first silicon core, a second silicon core and a third silicon core in a silicon core splicing structure for a reducing furnace according to an embodiment of the present invention;
fig. 4 is a schematic diagram illustrating the detachment of a first silicon core, a second silicon core and a third silicon core in a spliced silicon core structure for a reducing furnace according to an embodiment of the present invention.
Shown in the figure:
1 is a first silicon core, 2 is a second silicon core, and 3 is a third silicon core.
Detailed Description
To further explain the technical means and effects of the present invention for achieving the intended purpose of the utility model, the following detailed description of the embodiments, structures, features and effects according to the present application will be given with reference to the accompanying drawings and preferred embodiments. In the following description, different "one embodiment" or "an embodiment" refers to not necessarily the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
As shown in fig. 1 and fig. 2, a spliced silicon core structure for a reducing furnace according to an embodiment of the present invention includes: a first silicon core 1 and a second silicon core 2; one end of the first silicon core 1 is provided with a dovetail tenon structure; one end of the second silicon core 2 is provided with a dovetail mortise structure; the dovetail tenon structure of the first silicon core 1 can be pressed into the dovetail mortise structure of the second silicon core 2 to lock the relative positions of the first silicon core 1 and the second silicon core 2, so that the central line of the first silicon core 1 and the central line of the second silicon core 2 are kept on the same straight line, the straight line distribution of the first silicon core 1 and the second silicon core 2 is ensured, and the purpose of increasing the length is achieved. In this embodiment, preferably, the first silicon core 1 has a cylindrical structure; the second silicon core 2 is a cylindrical structure; further preferably, the first silicon core 1 and the second silicon core 2 are coaxially arranged to ensure the straightness of the first silicon core 1 and the second silicon core 2. Of course, the first silicon core 1 may be a prism-shaped structure; the second silicon core 2 is of a prismatic structure, so that rapid splicing can be realized, and the splicing straightness accuracy is ensured; further preferably, the first silicon core 1 and the second silicon core 2 are both square silicon cores.
The spliced silicon core structure for the reduction furnace provided by the embodiment of the utility model can improve the installation quality and stability of the spliced silicon core and reduce the installation difficulty.
Referring to fig. 3 and 4, as a preferred embodiment of the above embodiment, the spliced silicon core structure for a reduction furnace according to an embodiment of the present invention further includes: a third silicon core 3; one end of the third silicon core 3 is of a dovetail tenon structure; the other end of the third silicon core 3 is of a dovetail mortise structure; the dovetail tenon structure of the first silicon core 1 can be pressed into the dovetail mortise structure of the third silicon core 3 to lock the relative position of the first silicon core 1 and the third silicon core 3; the dovetail tenon structure of the third silicon core 3 can press the dovetail mortise structure of the second silicon core 2 to lock the relative position of the second silicon core 2 and the third silicon core 3, and the central line of the first silicon core 1, the central line of the second silicon core 2 and the central line of the third silicon core 3 are kept on the same straight line. The number of the third silicon cores 3 may be one or more; the length and the number of the third silicon cores 3 can be set according to requirements, and the requirements of splicing various lengths of silicon cores can be met.
As a preferred embodiment, the dovetail structure on the first silicon core 1 extends from one side of the first silicon core 1 to the other side of the first silicon core 1, which is not only convenient for splicing and installation, but also low in processing cost, and can be processed preferably by a diamond wire cutting method. Preferably the process variation is not more than 0.2 mm.
In this embodiment, preferably, the number of the dovetail structures on the first silicon core 1 is 1; simple structure, low processing cost and convenient splicing and installation.
Of course, the number of the dovetail structures on the first silicon core 1 may be multiple; the number of the dovetail mortise structures on the second silicon core 2 is multiple; the dovetail mortise structures on the second silicon core 2 and the dovetail tenon structures on the first silicon core 1 are arranged in a one-to-one correspondence manner, so that the corresponding splicing installation is realized.
Further still, although the terms first, second, etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, with such terms being used only to distinguish one element from another. Without departing from the scope of the exemplary embodiments. Similarly, the terms first, second, etc. do not denote any order or order, but rather the terms first, second, etc. are used to distinguish one element from another. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, the machines, the parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, so that the detailed description is omitted.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any simple modification, equivalent change and modification made to the above embodiment according to the technical spirit of the present invention are still within the scope of the technical solution of the present invention.
Claims (7)
1. A spliced silicon core structure for a reduction furnace is characterized by comprising: a first silicon core and a second silicon core;
one end of the first silicon core is provided with a dovetail tenon structure;
one end of the second silicon core is provided with a dovetail mortise structure;
the dovetail tenon structure of the first silicon core can be pressed into the dovetail mortise structure of the second silicon core to lock the relative positions of the first silicon core and the second silicon core and keep the central line of the first silicon core and the central line of the second silicon core on the same straight line.
2. The spliced silicon core structure for the reduction furnace according to claim 1, further comprising: a third silicon core;
one end of the third silicon core is of a dovetail tenon structure;
the other end of the third silicon core is of a dovetail mortise structure;
the dovetail tenon structure of the first silicon core can be pressed into the dovetail mortise structure of the third silicon core so as to lock the relative position of the first silicon core and the third silicon core;
the dovetail tenon structure of the third silicon core can press the dovetail mortise structure of the second silicon core so as to lock the relative position of the second silicon core and the third silicon core and keep the central line of the first silicon core, the central line of the second silicon core and the central line of the third silicon core on the same straight line.
3. The spliced silicon core structure for the reduction furnace according to claim 1,
the dovetail structure on the first silicon core extends from one side of the first silicon core to the other side of the first silicon core.
4. The spliced silicon core structure for the reduction furnace according to claim 1,
the number of the dovetail tenon structures on the first silicon core is multiple;
a plurality of dovetail-shaped structures are arranged on the second silicon core; the dovetail mortise structures on the second silicon core and the dovetail tenon structures on the first silicon core are arranged in a one-to-one correspondence mode.
5. The spliced silicon core structure for the reduction furnace according to claim 1,
the first silicon core is of a cylindrical structure;
the second silicon core is of a cylindrical structure.
6. The spliced silicon core structure for the reduction furnace as set forth in claim 5,
the first silicon core and the second silicon core are coaxially arranged.
7. The spliced silicon core structure for the reduction furnace according to claim 1,
the first silicon core is in a prismatic structure;
the second silicon core is in a prism-shaped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220697385.1U CN216890123U (en) | 2022-03-28 | 2022-03-28 | Reduction furnace is with concatenation silicon core structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220697385.1U CN216890123U (en) | 2022-03-28 | 2022-03-28 | Reduction furnace is with concatenation silicon core structure |
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| Publication Number | Publication Date |
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| CN216890123U true CN216890123U (en) | 2022-07-05 |
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| CN202220697385.1U Active CN216890123U (en) | 2022-03-28 | 2022-03-28 | Reduction furnace is with concatenation silicon core structure |
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| CN (1) | CN216890123U (en) |
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- 2022-03-28 CN CN202220697385.1U patent/CN216890123U/en active Active
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