CN215800032U - Heat shield outer container, heat shield and crystal pulling thermal field - Google Patents
Heat shield outer container, heat shield and crystal pulling thermal field Download PDFInfo
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- CN215800032U CN215800032U CN202121524466.3U CN202121524466U CN215800032U CN 215800032 U CN215800032 U CN 215800032U CN 202121524466 U CN202121524466 U CN 202121524466U CN 215800032 U CN215800032 U CN 215800032U
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- heat shield
- outer container
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- barrel
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- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B15/00—Single-crystal growth by pulling from a melt, e.g. Czochralski method
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- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
- C30B29/02—Elements
- C30B29/06—Silicon
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- Engineering & Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
Abstract
The utility model discloses a heat shield outer container, a heat shield and a crystal pulling thermal field, relates to the technical field of photovoltaics, and aims to reduce deposition cost and improve deposition efficiency and preparation efficiency in the process of preparing the heat shield outer container. The outer container of heat shield includes outer container barrel and is used for installing the installed part of outer container barrel. The outer container barrel is provided with a crystal pulling channel arranged along the axial direction of the outer container barrel. The installation part and the outer container barrel are of split structures and are detachably connected. The heat shield comprises a heat shield inner container and the heat shield outer container provided by the technical scheme. The crystal pulling thermal field comprises a heat-insulating cylinder and the heat shield provided by the technical scheme. The heat shield is installed on the heat-insulating cylinder through an installation part.
Description
Technical Field
The utility model relates to the technical field of photovoltaics, in particular to a heat shield outer container, a heat shield and a crystal pulling thermal field.
Background
When the heat shield outer liner is prepared, the outer liner barrel and the mounting part are integrally prepared by generally adopting a needling process, namely, a prefabricated body of the outer liner barrel is formed by the needling process, and then the prefabricated body of the mounting part is formed on the outer wall of the prefabricated body of the outer liner barrel by the needling process, so that the heat shield outer liner prefabricated part is obtained. And finally, processing the heat shield outer container prefabricated member into the heat shield outer container through the steps of deposition densification, machining and the like.
However, in the process of preparing the heat shield outer container in the prior art, because the outer diameter of the heat shield outer container prefabricated member is too large, the heat shield outer container prefabricated member cannot be sleeved with a heat preservation cylinder or a crucible and other parts during deposition, the furnace loading amount of a deposition furnace is limited, and the deposition cost is high and the deposition efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a heat shield outer container, a heat shield and a crystal pulling thermal field, which reduce the deposition cost and improve the deposition efficiency and the preparation efficiency in the process of preparing the heat shield outer container.
In a first aspect, the present invention provides a heat shield outer bladder for use in pulling a crystal from a melt. The heat shield outer container comprises an outer container barrel and a mounting piece for mounting the outer container barrel. The outer container barrel is provided with a crystal pulling channel arranged along the axial direction of the outer container barrel. The installation part and the outer container barrel are of split structures and are detachably connected.
Adopt under the condition of above-mentioned technical scheme, installed part and outer courage barrel are the components of a whole that can function independently structure, and installed part and outer courage barrel detachably connect. Based on this, installed part and outer courage barrel can independently prepare respectively, not only make outer courage barrel in independent preparation process, can with the cover joint together deposition such as a heat preservation section of thick bamboo, crucible to improve the charge volume of single deposit, reduce the deposition cost, improve deposition efficiency. Moreover, the mounting piece and the outer container barrel can be independently prepared at the same time, and the production efficiency can be improved.
In addition, because the installation part is long in service life relative to the outer container barrel, and the installation part and the outer container barrel are of split structures, the installation part can be detached after the outer container barrel is scrapped, and the installation part is directly installed or installed on a new outer container barrel after being repaired, so that the utilization rate of the installation part is improved, and the cost is saved.
Furthermore, installed part and outer courage barrel detachably connect for the installed part can not be cyclic annular, can only set up the installed part in two at least places of outer courage barrel can, thereby practice thrift the cost.
In a possible implementation manner, the heat shield outer container further comprises at least one detachable connecting piece, and the mounting piece is detachably connected to the outer wall of the outer container barrel body through the at least one detachable connecting piece.
In a possible implementation manner, the mounting piece is a mounting ring, and the mounting ring is detachably sleeved on the outer container barrel.
Under the condition of adopting above-mentioned technical scheme, the installed part is the collar, when preparing the collar alone, because the inside and outside footpath of collar is the same, in the course of working, makes things convenient for centre gripping, sword way simple for general lathe can process, thereby practices thrift manufacturing cost, and work efficiency is high.
In addition, when independently preparing the collar, can prepare the installation section of thick bamboo earlier, along the axial cutting of installation section of thick bamboo, cut apart into a plurality of collars with the installation section of thick bamboo to can prepare a plurality of collars simultaneously, not only improve production efficiency, in addition in the course of working, reduce the leftover bits that produce, improve material utilization.
In a possible implementation manner, the mounting member includes at least two mounting blocks, and the at least two mounting blocks are circumferentially distributed on the outer wall of the outer container barrel.
Adopt above-mentioned technical scheme's the condition under, the installed part includes two at least installation pieces, can install outer courage barrel through two at least installation pieces. And at least two mounting blocks are low in cost relative to the mounting ring.
In a possible implementation, the at least one mounting block has a sector ring section.
Under the condition of adopting the technical scheme, the section of at least one mounting block is a fan ring. Based on this, can cut into a plurality of installation pieces along circumference with the collar to further improve production efficiency, practice thrift the cost.
In a possible implementation manner, the at least two mounting blocks are arranged in a surrounding manner to form a circular ring or a cylinder; the inner diameter of a ring or a cylinder formed by enclosing is matched with the outer diameter of the outer container barrel.
Under the condition of adopting the technical scheme, at least two mounting blocks are arranged in an enclosing manner to form a circular ring or a cylinder, and the inner diameter of the circular ring or the cylinder formed in the enclosing manner is matched with the outer diameter of the outer container barrel. Based on this, can cut into a plurality of installation pieces with the collar along circumference, the contact surface phase-match of installation piece and outer courage barrel moreover for the installation piece is connected inseparabler with outer courage barrel.
In one possible implementation, the heat shield outer bladder is used for pulling crystal from a melt, the outer bladder cylinder has a first end close to the melt and a second end far from the melt, and the first end of the outer bladder cylinder has a smaller radial dimension than the second end of the outer bladder cylinder. The mounting piece is arranged at the second end of the outer container barrel.
In one possible implementation, the materials of the outer container cylinder and the mounting piece are the same or different.
In a possible implementation manner, the material of the outer container cylinder is a carbon-carbon composite material or a graphite material.
In a possible implementation manner, the material of the mounting member is a carbon-carbon composite material or a graphite material.
In a second aspect, the present invention also provides a heat shield. The heat shield comprises a heat shield inner container and the heat shield outer container described in the first aspect or any one of the possible implementation manners of the first aspect.
The beneficial effect of the heat shield provided by the second aspect is the same as that of the heat shield outer bladder described in the first aspect or any possible implementation manner of the first aspect, and is not described herein again.
In a third aspect, the utility model also provides a crystal pulling thermal field. The crystal pulling thermal field comprises a heat preservation cylinder and the heat shield described in the third aspect. The heat shield is installed on the heat-insulating cylinder through an installation part.
The beneficial effects of the crystal pulling thermal field provided by the third aspect are the same as those of the heat shield outer container described in the first aspect or any one of the possible implementation manners of the first aspect, and are not described herein again.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and not to limit the utility model. In the drawings:
FIG. 1 is a schematic view of a heat shield outer bladder in accordance with an embodiment of the present invention;
FIG. 2 is another schematic view of a heat shield outer bladder in accordance with an embodiment of the present invention;
FIG. 3 is a schematic view of a mounting cartridge in accordance with an embodiment of the present invention;
FIG. 4 is another schematic view of a mounting cartridge in an embodiment of the utility model;
FIG. 5 is a schematic view of a cutting collar in an embodiment of the present invention.
Reference numerals: 100-outer container body, 110-first end, 120-second end, 200-mounting piece and 300-mounting tube.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
Furthermore, the terms "first", "second" and "first" 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, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. The meaning of "a number" is one or more unless specifically limited otherwise.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 by those skilled in the art according to specific situations.
Currently, single crystal silicon is manufactured mainly by pulling a silicon single crystal rod from a melt in a thermal field in a single crystal furnace by a czochralski method through the single crystal furnace. The heat shield is arranged in the single crystal furnace and used for isolating a thermal field in the single crystal furnace into the outside and the inside, so that the temperature inside the thermal field is higher than the temperature outside to form a temperature gradient, the crystal growth speed is increased, the heat preservation effect is realized on a melt, and the energy is saved.
The heat shield comprises a heat shield outer container and a heat shield inner container. At present, when the heat-shielding outer liner is prepared, a prefabricated body of an outer liner barrel and a prefabricated body of an installation part are generally integrally prepared by adopting a needling process, namely the prefabricated body of the outer liner barrel is formed by the needling process firstly, and then the prefabricated body of the installation part is formed on the outer wall of the prefabricated body of the outer liner barrel by the needling process, so that the heat-shielding outer liner prefabricated member is obtained. And finally, processing the heat shield outer container prefabricated member into the heat shield outer container through the steps of deposition densification, machining and the like. In the prior art, the mounting member is generally annular.
However, in the process of preparing the heat shield outer container in the prior art, because the outer diameter of the heat shield outer container prefabricated member is too large, the heat shield outer container prefabricated member cannot be sleeved with the prefabricated member of the heat preservation cylinder or the prefabricated member of the crucible and other parts during deposition, the charging amount of the deposition furnace is limited, the deposition cost is high, and the deposition efficiency is low. Moreover, when the heat shield outer liner is integrally prepared, the preform of the outer liner cylinder body needs to be formed through a needling process, and then the preform of the mounting part is formed on the outer wall of the preform of the outer liner cylinder body through the needling process, so that the preparation efficiency is low.
The embodiment of the utility model provides a heat shield outer container. Fig. 1 illustrates a schematic view of a heat shield outer bladder in an embodiment of the present invention. FIG. 2 illustrates another schematic view of a heat shield outer bladder in an embodiment of the present invention. As shown in fig. 1 and 2, the heat shield outer container includes an outer container cylinder 100 and a mounting member 200 for mounting the outer container cylinder 100. The outer container body 100 is fixedly installed on the heat-insulating cylinder by an installation member 200. The outer liner cylinder 100 has a pull channel disposed along an axial direction of the outer liner cylinder 100. The mounting member 200 and the outer container cylinder 100 are separate structures, and the mounting member 200 and the outer container cylinder 100 are detachably coupled.
As shown in fig. 2, the outer bladder cylinder 100 may have a first end 110 proximate the melt and a second end 120 distal from the melt. For example, as shown in fig. 2, the first end 110 of the outer bladder cylinder 100 is the lower end of the outer bladder cylinder 100, and the second end 120 of the outer bladder cylinder 100 is the upper end of the outer bladder cylinder 100. The radial dimension of the first end 110 of the outer bladder cylinder 100 is less than the radial dimension of the second end 120 of the outer bladder cylinder 100. The mounting member 200 is disposed at the second end 120 of the outer bladder cartridge 100.
As shown in fig. 1, the materials of the outer tube 100 and the attachment member 200 may be the same or different. In one example, the material of the outer bladder cylinder 100 may be a carbon-carbon composite or graphite material. The material of the mounting member 200 may be a carbon-carbon composite material or a graphite material.
As shown in fig. 1, the installation member 200 and the outer container cylinder 100 are separate structures, and when the heat shield outer container is manufactured, the outer container cylinder 100 and the installation member 200 may be separately manufactured, and the manufactured outer container cylinder 100 and the installation member 200 may be detachably assembled into the heat shield outer container. For example, a preform of the outer bladder cylinder 100 and a preform of the mounting member 200 are separately prepared, the outer bladder cylinder 100 is obtained from the preform of the outer bladder cylinder 100, and the mounting member 200 is obtained from the preform of the mounting member 200. Finally, the outer liner cylinder 100 and the mounting member 200 are detachably assembled into the heat shield outer liner.
In one example, the preform of the outer bladder cylinder is vapor deposited to provide the outer bladder cylinder. And the prefabricated body of the mounting part is subjected to vapor deposition to obtain the mounting part. The prefabricated body of the outer container barrel and the prefabricated body of the mounting part can be respectively placed in different deposition furnaces for deposition, and the prefabricated body of the outer container barrel and the prefabricated body of the mounting part can also be placed in the same deposition furnace for deposition. Therefore, the prefabricated body of the outer container barrel body and the prefabricated body of the mounting part can be respectively sleeved with the prefabricated part of the heat-insulating barrel or the prefabricated part of the crucible and other parts, the furnace charging amount of the deposition furnace is increased, the deposition cost is reduced, and the deposition efficiency is improved.
In one example, as shown in fig. 1, when preparing the outer liner cylinder 100, a material of the outer liner cylinder 100 may be formed on a surface of a mold of the outer liner cylinder 100 to obtain a preform of the outer liner cylinder 100, and the outer liner cylinder 100 may be obtained from the preform of the outer liner cylinder 100.
The outer container barrel mold is a mold manufactured according to the shape and the size of the outer container barrel. When the outer container barrel is prepared, an outer container barrel material with a certain thickness is formed on the surface of an outer container barrel mould, a prefabricated body of the outer container barrel with the same shape as the outer container barrel mould is formed by the outer container barrel material, and the outer container barrel is obtained according to the prefabricated body of the outer container barrel.
When the material of the outer container barrel is a carbon-carbon composite material, the material of the outer container barrel can be a carbon fiber material consisting of carbon fiber cloth, a carbon fiber net tire and the like. Specifically, one layer of carbon fiber cloth can be laid on the surface of the outer container barrel mold, one or more layers of carbon fiber net tires are covered on the surface of the carbon fiber cloth, and one layer of carbon fiber cloth and at least one layer of carbon fiber net tire are connected through needling so as to lay a group of carbon fiber composite layers on the surface of the outer container barrel mold. And repeating the step of laying a group of carbon fiber composite layers on the surface of the outer container barrel mould to lay a plurality of groups of carbon fiber composite layers on the surface of the outer container barrel mould, thereby obtaining the prefabricated body of the outer container barrel.
Carrying out densification treatment on the prefabricated body of the outer container barrel by adopting vapor deposition to obtain a densified prefabricated body of the outer container barrel; graphitizing the densified preform of the outer container barrel to obtain a graphitized preform of the outer container barrel; and (3) machining and coating the prefabricated body of the graphitized outer container barrel to obtain the outer container barrel in accordance with the preset size and shape.
In preparing the mount, a mount material may be formed on a surface of a mount mold to obtain a preform of the mount, and the mount may be obtained from the preform of the mount.
The mounting piece die is a die manufactured according to the shape and the size of the mounting piece. When the installation part is prepared, the installation part material with a certain thickness is formed on the surface of the installation part mould, the prefabricated body of the installation part with the same shape as the installation part mould is formed by the installation part material, and the installation part is obtained according to the prefabricated body of the installation part.
When the material of the mounting piece is a carbon-carbon composite material, the material of the mounting piece can be a carbon fiber material composed of carbon fiber cloth, a carbon fiber net tire and the like. Specifically, one layer of carbon fiber cloth can be laid on the surface of the mounting part mold, one or more layers of carbon fiber net tires are covered on the surface of the carbon fiber cloth, and one layer of carbon fiber cloth and at least one layer of carbon fiber net tire are connected through needling so as to lay a group of carbon fiber composite layers on the surface of the mounting part mold. And repeating the step of laying a group of carbon fiber composite layers on the surface of the mounting piece mold to lay a plurality of groups of carbon fiber composite layers on the surface of the mounting piece mold, thereby obtaining the prefabricated body of the mounting piece.
Carrying out densification treatment on the prefabricated body of the mounting piece by adopting vapor deposition to obtain a densified prefabricated body of the mounting piece; graphitizing the densified preform of the mounting piece to obtain a graphitized preform of the mounting piece; and (4) machining and coating the prefabricated body of the mounting piece after graphitization to obtain the mounting piece which is in accordance with the preset size and shape.
As shown in fig. 2, after the outer container cylinder 100 and the mounting member 200 are separately prepared, the outer container cylinder 100 and the mounting member 200 are detachably assembled into the heat shield outer container.
As shown in fig. 1, when the heat shield outer container is mounted, the heat shield outer container can be mounted on a heat insulating cylinder of a crystal pulling thermal field by means of a mounting member 200 provided in the heat shield outer container. As shown in fig. 2, when the heat shield outer bladder is installed in the pull heat field, the first end 110 of the outer bladder cylinder 100 faces downward, the second end 120 of the outer bladder cylinder 100 faces upward, and the mounting member 200 mounts the outer bladder cylinder 100 to the heat insulating cylinder at the second end 120 of the outer bladder cylinder 100 (i.e., the upper end of the outer bladder cylinder 100).
As shown in fig. 2, the mounting member 200 and the outer bladder cylinder 100 are separate structures, and the mounting member 200 and the outer bladder cylinder 100 are detachably coupled. Based on this, installed part 200 and outer courage barrel 100 can independently prepare respectively, not only make outer courage barrel 100 in independent preparation process, can with the cover deposit together of heat preservation section of thick bamboo, crucible etc. to improve the charge volume of single deposit, reduce the deposition cost, improve deposition efficiency. Moreover, the mounting member 200 and the outer container cylinder 100 can be independently manufactured at the same time, and the production efficiency can be improved.
In addition, as shown in fig. 2, since the attachment 200 is less corroded by the outer shell cylinder 100 during use of the heat shield outer shell, the attachment 200 has a long life span with respect to the outer shell cylinder 100. The installation part 200 and the outer container barrel 100 are of split structures, after the outer container barrel 100 is scrapped, the installation part 200 can be detached and directly installed or installed on a new outer container barrel 100 after being repaired, so that the utilization rate of the installation part 200 is improved, and the cost is saved.
Furthermore, in the prior art, when the heat shield outer container is installed, at least two positions of the heat shield outer container are fixed. However, when the conventional mounting member is integrally formed with the outer container cylinder 100 through a needle punching process, the mounting member can be formed only in a ring shape. As shown in fig. 2, the mounting member 200 and the outer container cylinder 100 are separate members, so that the mounting member 200 may not be annular, and the mounting member 200 may be provided only at least two positions of the outer container cylinder 100, thereby saving costs.
As a possible implementation manner, as shown in fig. 2, the heat shield outer bladder may further include at least one detachable connector, and the mounting member 200 may be detachably connected to the outer bladder cylinder 100 through the at least one detachable connector. The at least one detachable connector may be a bolt that threadedly connects the mounting member 200 with the outer bladder cartridge 100, but is not limited thereto.
Specifically, as shown in fig. 2, after the outer container cylinder 100 and the mounting member 200 are separately prepared, the mounting member 200 may be detachably disposed on the outer wall of the outer container cylinder 100 by at least one bolt.
As a possible implementation manner, as shown in fig. 2, the mounting member 200 may be a mounting ring, and the mounting ring is detachably sleeved on the outer container cylinder 100.
Specifically, as shown in fig. 1, the mounting ring is protruded on the outer wall of the outer container 100. The heat shield outer container can be installed by fixing the installation ring on the heat preservation cylinder. When the mounting ring is fixed, two symmetrical positions on the mounting ring are generally fixed. In order to improve the stability, the installation ring can be fixed and uniformly distributed at four positions.
As shown in fig. 2, the mounting member 200 is a mounting ring, and when the mounting ring is separately prepared, since the diameter of the outer wall of the mounting ring is the same and the diameter of the inner wall of the mounting ring is the same along the axial direction of the mounting ring, the shape of the mounting ring is regular, in the machining process, the mounting ring is conveniently clamped, the tool path is simple, a general machine tool can machine the mounting ring, and therefore, the production cost is saved and the work efficiency is high.
In practical application, the axial dimension of the mounting ring is smaller than that of the outer container barrel. For example, as shown in FIG. 2, the height of the mounting ring is less than the height of the outer bladder cartridge 100. Figure 3 illustrates a schematic view of a mounting cartridge in an embodiment of the utility model. Figure 4 illustrates another schematic view of a mounting cartridge in an embodiment of the utility model. As shown in fig. 3 and 4, when the mounting ring is prepared, the mounting cylinder 300 may be prepared first. Notably, the mounting cartridge 300 differs from the mounting ring only in that the axial dimension of the mounting cartridge 300 is greater than the axial dimension of the mounting ring. After installation section of thick bamboo 300 has been prepared, can follow installation section of thick bamboo 300's radial cutting installation section of thick bamboo 300, will install a plurality of collars that the section of thick bamboo 300 was cut apart into along the axial distribution of installation section of thick bamboo 300 to can prepare a plurality of collars simultaneously, not only improve production efficiency, in the course of working, reduce the leftover bits of production moreover, improve material utilization.
As a possible implementation manner, as shown in fig. 1, the mounting member 200 includes at least two mounting blocks, and the at least two mounting blocks are circumferentially distributed on the outer wall of the outer liner cylinder 100. The number of the mounting blocks can be set according to needs, and two or four mounting blocks can be set, but is not limited to this.
Specifically, as shown in fig. 1, the mounting member 200 includes four mounting blocks, and the four mounting blocks are uniformly distributed on the outer wall of the outer liner cylinder 100. The outer container barrel 100 is fixed on the heat-insulating barrel through four mounting blocks.
As shown in fig. 1, the mounting member 200 includes at least two mounting blocks by which the outer bladder cylinder 100 can be mounted to the insulation cylinder. And at least two mounting blocks are low in cost relative to the mounting ring.
In an alternative, as shown in FIG. 1, at least one of the mounting blocks is fan-shaped in cross-section.
Specifically, as shown in fig. 1, the cross section of at least one mounting block is a sector ring, that is, at least one mounting block is a part of a circular ring. Based on this, fig. 5 illustrates a schematic view of a cutting mounting ring in an embodiment of the present invention. As shown in fig. 5, when the mounting block is prepared, the mounting ring described above may be prepared first, and then the mounting ring is cut into a plurality of mounting blocks with sector-shaped cross sections, so as to further improve the production efficiency and save the cost.
In an alternative, as shown in fig. 1, at least two mounting blocks are enclosed to form a ring or cylinder; the inner diameter of a ring or a cylinder formed by enclosing is matched with the outer diameter of the outer container barrel.
Specifically, as shown in fig. 5, the inner diameter of the mounting ring can be the same as the outer diameter of the outer container cylinder 100, the mounting ring can be cut into a plurality of mounting blocks in the circumferential direction, and the mounting blocks are in contact with the outer surface of the outer container cylinder, so that the production efficiency can be improved, the cost can be saved, and the mounting blocks are connected with the outer container cylinder more closely.
The embodiment of the utility model also provides a heat shield. The heat shield comprises a heat shield inner container and the heat shield outer container.
The beneficial effects of the heat shield provided by the embodiment of the utility model are the same as those of the heat shield outer container, and are not described herein again.
The embodiment of the utility model also provides a crystal pulling thermal field. The crystal pulling thermal field comprises a heat preservation cylinder and the heat shield. The heat shield is installed on the heat-insulating cylinder through an installation part.
The beneficial effects of the crystal pulling thermal field provided by the embodiment of the utility model are the same as those of the heat shield outer container, and are not described herein again.
In the foregoing description of embodiments, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (10)
1. A heat shield outer bladder, comprising: the outer container comprises an outer container barrel and a mounting piece for mounting the outer container barrel, wherein the outer container barrel is provided with a crystal pulling channel arranged along the axial direction of the outer container barrel; the mounting part with outer courage barrel is the components of a whole that can function independently structure, just the mounting part with outer courage barrel detachably connects.
2. The heat shield outer bladder of claim 1 further comprising at least one detachable connector, wherein the mounting member is detachably connected to the outer bladder cylinder by at least one of the detachable connectors.
3. The heat shield outer bladder of claim 1 wherein the mounting member is a mounting ring having an inner diameter that matches an outer diameter of the outer bladder cylinder.
4. The heat shield outer bladder of claim 1 wherein the mounting member comprises at least two mounting blocks circumferentially distributed on the outer bladder cylinder.
5. The heat shield outer bladder of claim 4 wherein at least one of said mounting blocks is fan-ring shaped in cross-section.
6. The heat shield outer bladder of claim 4 wherein the at least two mounting blocks are arranged to form a ring or cylinder; the inner diameter of the ring or the cylinder formed by the enclosure is matched with the outer diameter of the outer container body.
7. The heat shield outer bladder of any one of claims 1 to 6, wherein for use in pulling a crystal from a melt, the outer bladder cylinder has a first end proximate to the melt and a second end distal from the melt, the first end of the outer bladder cylinder having a smaller radial dimension than the second end of the outer bladder cylinder; the mounting member is arranged at the second end of the outer container barrel.
8. The heat shield outer container according to any one of claims 1 to 6, wherein the material of the outer container cylinder is the same as or different from that of the mounting member; wherein the content of the first and second substances,
the outer container barrel is made of a carbon-carbon composite material or a graphite material; and/or the presence of a gas in the gas,
the mounting piece is made of carbon-carbon composite materials or graphite materials.
9. A heat shield comprising a heat shield inner container and the heat shield outer container according to any one of claims 1 to 8.
10. A crystal pulling thermal field comprising an insulated cylinder and a heat shield as claimed in claim 9, the heat shield being mounted on the insulated cylinder by the mounting member.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121524466.3U CN215800032U (en) | 2021-07-06 | 2021-07-06 | Heat shield outer container, heat shield and crystal pulling thermal field |
| PCT/CN2022/102063 WO2023280024A1 (en) | 2021-07-06 | 2022-06-28 | Heat shield outer container, heat shield, and crystal pulling thermal field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121524466.3U CN215800032U (en) | 2021-07-06 | 2021-07-06 | Heat shield outer container, heat shield and crystal pulling thermal field |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215800032U true CN215800032U (en) | 2022-02-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121524466.3U Active CN215800032U (en) | 2021-07-06 | 2021-07-06 | Heat shield outer container, heat shield and crystal pulling thermal field |
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| CN (1) | CN215800032U (en) |
| WO (1) | WO2023280024A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023280024A1 (en) * | 2021-07-06 | 2023-01-12 | 隆基绿能科技股份有限公司 | Heat shield outer container, heat shield, and crystal pulling thermal field |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI263713B (en) * | 2004-11-04 | 2006-10-11 | Univ Nat Central | Heat shield and crystal growth equipment |
| JP2010202414A (en) * | 2009-02-27 | 2010-09-16 | Sumco Corp | Method for growing silicon single crystal and method for producing silicon wafer |
| CN201605349U (en) * | 2009-11-11 | 2010-10-13 | 西安隆基硅材料股份有限公司 | Energy-saving thermal field structure for growing monocrystalline silicon |
| CN102731134A (en) * | 2012-07-12 | 2012-10-17 | 北京京仪世纪电子股份有限公司 | Straight pulling single crystal furnace and processing method of carbon-carbon composite material for straight pulling single crystal furnace |
| CN203583004U (en) * | 2013-10-29 | 2014-05-07 | 洛阳单晶硅有限责任公司 | Sectional type suspended heat shield |
| CN203923460U (en) * | 2014-06-18 | 2014-11-05 | 西安隆基硅材料股份有限公司 | Thermal field of single crystal furnace and there is the single crystal growing furnace of this thermal field of single crystal furnace |
| CN205635847U (en) * | 2016-05-26 | 2016-10-12 | 王玲玲 | Single crystal pulling furnace |
| CN206986325U (en) * | 2017-04-25 | 2018-02-09 | 内蒙古中环光伏材料有限公司 | A kind of anti-deposition structure of single-crystal furnace guide shell |
| CN207130358U (en) * | 2017-06-30 | 2018-03-23 | 内蒙古中环光伏材料有限公司 | A kind of water conservancy diversion drum supporting device |
| CN212925225U (en) * | 2020-07-23 | 2021-04-09 | 上海汉虹精密机械有限公司 | Water cooling ring for single crystal furnace and heat conduction system at upper part of single crystal furnace |
| CN215800032U (en) * | 2021-07-06 | 2022-02-11 | 隆基绿能科技股份有限公司 | Heat shield outer container, heat shield and crystal pulling thermal field |
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2021
- 2021-07-06 CN CN202121524466.3U patent/CN215800032U/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023280024A1 (en) * | 2021-07-06 | 2023-01-12 | 隆基绿能科技股份有限公司 | Heat shield outer container, heat shield, and crystal pulling thermal field |
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| WO2023280024A1 (en) | 2023-01-12 |
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