CN114477734B - Quartz crucible water cooling die - Google Patents
Quartz crucible water cooling die Download PDFInfo
- Publication number
- CN114477734B CN114477734B CN202210152130.1A CN202210152130A CN114477734B CN 114477734 B CN114477734 B CN 114477734B CN 202210152130 A CN202210152130 A CN 202210152130A CN 114477734 B CN114477734 B CN 114477734B
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- quartz crucible
- cylinder
- water pipe
- spiral
- cooling
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B19/00—Other methods of shaping glass
- C03B19/06—Other methods of shaping glass by sintering, e.g. by cold isostatic pressing of powders and subsequent sintering, by hot pressing of powders, by sintering slurries or dispersions not undergoing a liquid phase reaction
- C03B19/066—Other methods of shaping glass by sintering, e.g. by cold isostatic pressing of powders and subsequent sintering, by hot pressing of powders, by sintering slurries or dispersions not undergoing a liquid phase reaction for the production of quartz or fused silica articles
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B20/00—Processes specially adapted for the production of quartz or fused silica articles, not otherwise provided for
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Glass Melting And Manufacturing (AREA)
Abstract
The invention discloses a quartz crucible water cooling mold, which comprises: the inside barrel that is used for placing quartz crucible steel mould, quartz crucible steel mould outer wall and the inner wall of barrel form the cavity, and the while bottom of the barrel is equipped with the through-hole of bleeding that communicates above-mentioned cavity, and the through-hole of bleeding is used for evacuating the cavity inside into the vacuum environment. The top of the cylinder is provided with an annular cooling channel, a spiral cooling water pipe is arranged around the inner wall of the cylinder, and the spiral cooling water pipe is simultaneously communicated with the annular cooling channel and the bottom surface of the cylinder; cooling water can be injected into the spiral cooling water pipe through the bottom surface of the cylinder, flows around the spiral cooling water pipe and the annular cooling channel, finally flows out of the bottom surface of the cylinder, and takes away the heat of the quartz crucible steel mould by utilizing heat convection cooling; the spiral cooling water pipe is adopted to increase the refrigerating area, so that the cooling capacity is enhanced, the modification and adjustment of the spiral cooling water pipe are more convenient, the spiral cooling water pipe can adapt to various working conditions, and the use cost is reduced.
Description
Technical Field
The invention relates to the field of quartz crucible production in photovoltaic and semiconductor industries, in particular to a quartz crucible water-cooled mold.
Background
At present, the production of quartz crucible generally adopts the process of arc melting quartz sand, and granular quartz sand is melted in a mould and then formed into a quartz crucible with a certain size and shape. The granular quartz sand is arranged in a steel mould, the steel mould is arranged in a water-cooled mould, and the water-cooled mould rotates on a rotating machine at a high speed. The heat released by the electric arc is absorbed by the steel mould except for the fused quartz sand, the smelting process requires a higher temperature in the steel mould, but good external cooling conditions are also required for the steel mould, so the cooling capacity of the water cooling mould is critical for the steel mould, and the service life of the steel mould is directly related.
In order to prevent the steel mould from being burst or the heat dissipation speed of the steel mould from being too high due to direct cooling of the steel mould by cooling water, the melting degree of quartz sand is influenced, and the cooling is mainly carried out in a heat convection mode, so that the larger the cooling area of the water cooling mould is required, the better the cooling area is.
In the prior art, a water cooling die with a double-layer cylindrical barrel-shaped structural design is adopted, but the prior art also comprises the following defects: the double-layer cylindrical structure is also characterized in that the cooling area of the main structure is fixed, the structure is fixed and cannot be modified, and the refrigerating area cannot be increased or decreased.
Therefore, how to provide a quartz crucible water-cooled mold with a stronger cooling effect is a problem to be solved by those skilled in the art.
Disclosure of Invention
The invention aims to provide a quartz crucible water-cooled mold with larger refrigerating area and stronger cooling effect.
In order to achieve the above object, the present invention provides a quartz crucible water-cooled mold comprising: the cylinder is provided with an opening for accommodating a quartz crucible steel mould, and the top of the quartz crucible steel mould is lapped on the opening so as to form a cavity between the cylinder and the quartz crucible steel mould;
the air exhaust through hole is arranged at the bottom of the cylinder body and is communicated with the cavity;
the annular cooling channel is arranged at the top of the cylinder;
the spiral cooling water pipe is arranged in the cavity and surrounds the inner wall of the cylinder body, and is simultaneously communicated with the annular cooling channel and the bottom surface of the cylinder body so as to perform heat convection cooling on the quartz crucible steel mould.
Optionally, the spiral cooling water pipe includes: the first spiral water pipe and the second spiral water pipe that encircle the setting in turn, the barrel bottom is provided with the inlet opening that is used for the intercommunication first spiral water pipe and is used for the apopore of intercommunication second spiral water pipe.
Optionally, the first spiral water pipe and the second spiral water pipe are all detachable to be arranged in the barrel.
Optionally, a guide cylinder for reducing the volume of the cavity is arranged inside the cylinder.
Optionally, the guide cylinder is specifically configured as a horn mouth shape with a narrow bottom and a wide top, so that the air suction through hole is convenient for air suction.
Optionally, the annular cooling channel comprises: the sealing ring is arranged between the annular flange and the cylinder.
Optionally, the bottom surface of the sealing ring is arranged on the side wall of the cylinder body through the reinforcing ribs.
Compared with the background technology, the invention is provided with the cylinder body which is internally used for placing the quartz crucible steel mould, the outer wall of the quartz crucible steel mould and the inner wall of the cylinder body form a cavity, meanwhile, the bottom of the cylinder body is provided with the air extraction through hole which is communicated with the cavity, and the air extraction through hole is used for vacuumizing the cavity to form a vacuum space so as to provide a necessary working environment for cooling the quartz crucible. The top of the cylinder is provided with an annular cooling channel, a spiral cooling water pipe is arranged around the inner wall of the cylinder, the spiral cooling water pipe is simultaneously communicated with the annular cooling channel and the bottom surface of the cylinder, and the spiral cooling water pipe is positioned in the cavity and is not in contact with the quartz crucible steel mould after being placed in the quartz crucible steel mould; cooling water can be injected into the spiral cooling water pipe through the bottom surface of the cylinder, flows around the spiral cooling water pipe and the annular cooling channel, finally flows out of the bottom surface of the cylinder, and takes away the heat of the quartz crucible steel mould by utilizing heat convection cooling; the spiral cooling water pipe is adopted to increase the refrigerating area, thereby enhancing the cooling capacity and fully utilizing the space; and the modification and adjustment of the spiral cooling water pipe are more convenient, so that the spiral cooling water pipe can adapt to various working conditions and the use cost is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a water-cooled quartz crucible mold according to an embodiment of the present invention;
FIG. 2 is an enlarged view of a portion of an annular cooling channel according to an embodiment of the present invention.
Wherein:
1-cylinder, 2-annular cooling channel, 3-first spiral water pipe, 4-second spiral water pipe, 5-bleed through hole, 6-inlet, 7-apopore, 8-draft tube, 9-annular flange, 10-sealing washer, 11-strengthening rib, 12-quartz crucible steel mould, 13-ring flange.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The present invention will be further described in detail below with reference to the drawings and detailed description for the purpose of enabling those skilled in the art to better understand the aspects of the present invention.
Referring to fig. 1 of the specification, fig. 1 is a schematic structural diagram of a quartz crucible water cooling mold according to an embodiment of the present invention, including: the cylinder body 1 for placing the quartz crucible steel mould 12 inside is realized by ensuring that the outer wall of the quartz crucible steel mould 12 and the inner wall of the cylinder body 1 form a cavity and overlapping the top of the quartz crucible steel mould at the opening of the cylinder body 1 in order to realize the thermal convection cooling between the quartz crucible steel mould 12 and the water cooling mould; meanwhile, the flange plate 13 at the bottom of the cylinder body 1 is provided with an air extraction through hole 5 communicated with the cavity, and the air extraction through hole 5 is used for vacuumizing the cavity to form a vacuum space so as to provide a necessary working environment for quartz crucible cooling and process requirements. The top of the cylinder body 1 is provided with an annular cooling channel 2 in the annular opening, a spiral cooling water pipe is arranged around the inner wall of the cylinder body 1, the spiral cooling water pipe is simultaneously communicated with the annular cooling channel 2 and a flange 13 on the bottom surface of the cylinder body 1, and the spiral cooling water pipe is positioned in a cavity after being placed in a quartz crucible steel mould 12 and is not in contact with the quartz crucible steel mould 12; the staff can inject cooling water into the spiral cooling water pipe through the bottom surface of the cylinder body 1, the cooling water flows around the spiral cooling water pipe and the annular cooling channel 2, finally flows out of the bottom surface of the cylinder body 1, and takes away the heat of the quartz crucible steel mould 12; i.e., the quartz crucible steel mold 12 is cooled by thermal convection while the quartz crucible water-cooled mold is rotated. The spiral cooling water pipe is adopted to increase the cooling area, so that the cooling capacity is enhanced, the space is fully utilized, and the heat dissipation area of the circular annular pipeline with the same height size is more than 3 times of the plane area; and the modification and adjustment of the spiral cooling water pipe are more convenient, so that the spiral cooling water pipe can adapt to various working conditions and the use cost is reduced.
The bottom surface closing and opening of the cylinder 1 is not limited to the structure of the flange 13, and is not unfolded here.
Further, the spiral cooling water pipe includes: the first spiral water pipe 3 and the second spiral water pipe 4 are respectively communicated with two interfaces of the annular cooling channel 2, and surrounding parts for cooling are alternately nested and arranged, so that space utilization rate is maximized, and a flange plate 13 on the bottom surface of the cylinder body 1 is vertically provided with a water inlet hole 6 communicated with the first spiral water pipe 3 and a water outlet hole 7 communicated with the second spiral water pipe 4. Cooling water can be injected from the water inlet holes 6, flows through the first spiral water pipe 3 and enters the annular cooling channel 2, flows into the second spiral water pipe 4 in a distributed manner through the annular cooling channel 2, and flows out from the water outlet holes 7, so that circulation cooling of the cooling water is realized.
The spiral cooling water pipe is not limited to be arranged in the structure, the number of the water pipes and the water distribution of the water inlet and outlet can be changed according to actual requirements, and the spiral cooling water pipe is not expanded again.
Further, the first spiral water pipe 3 and the second spiral water pipe 4 can be detached from the inside of the cylinder 1, so that the use cost can be reduced and the service life of the water cooling mold can be prolonged by independently detaching and replacing the spiral cooling water pipe in consideration of corrosion and scaling of the spiral cooling water pipe in a high-temperature environment.
Further, a guide cylinder 8 is arranged in the cylinder 1, and the guide cylinder 8 is arranged at a 90-degree included angle formed by the inner wall of the cylinder 1 and a flange 13 on the bottom surface of the cylinder 1 and is circumferentially arranged on the cylinder 1; and useless spaces at the corners are isolated, the volume of the cavity is reduced, the air content is reduced, and the quick establishment of a vacuum environment is facilitated. Of course, the arrangement of the guide cylinder 8 is not limited to the above-mentioned one, and will not be described in detail here.
Further, the guide cylinder 8 is specifically configured as a horn mouth shape with a narrow bottom and a wide top, and the structure provides a guide effect for the air suction of the air suction through hole 5, thereby improving the quality of the vacuum environment. The invention meets the requirement that the water cooling mould has better cooling capacity, and simultaneously realizes that the space between the quartz crucible steel mould 12 and the water cooling mould is as small as possible. Of course, the specific structure of the above-described guide cylinder 8 is not limited to this form, and is not developed herein.
Further, referring to fig. 2 of the specification, fig. 2 is a partial enlarged view of an annular cooling channel according to an embodiment of the present invention, including: the annular cooling channel 2 comprises an annular flange 9 arranged on the top surface of the cylinder body 1, a sealing ring 10 is further arranged between the annular flange 9 and the top surface of the side wall of the cylinder body 1, and a clearance structure between the annular flange 9 and the sealing ring 10 is used as the annular cooling channel 2. Of course, the annular cooling channel 2 is not limited to this structural implementation.
Further, the bottom surface of the sealing ring 10 is supported on the side wall of the cylinder 1 by a reinforcing rib 11, so that the installation of the annular flange 9 and the cylinder 1 is ensured to have enough rigidity, and the offset and the fracture are prevented when the quartz crucible steel die 12 is placed. The quartz crucible steel die 12 can be mounted on the annular flange 9 in a bolt-nut matching mode optionally and not only.
It should be noted that in this specification relational terms such as first and second are used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities.
The quartz crucible water-cooled mold provided by the invention is described in detail above. The principles and embodiments of the present invention have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present invention and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the invention can be made without departing from the principles of the invention and these modifications and adaptations are intended to be within the scope of the invention as defined in the following claims.
Claims (5)
1. A quartz crucible water-cooled mold, comprising:
the cylinder is provided with an opening for accommodating a quartz crucible steel mould, and the top of the quartz crucible steel mould is lapped on the opening so as to form a cavity between the cylinder and the quartz crucible steel mould;
the air exhaust through hole is arranged at the bottom of the cylinder body and is communicated with the cavity;
the annular cooling channel is arranged at the top of the cylinder body;
the spiral cooling water pipe is arranged in the cavity and surrounds the inner wall of the cylinder body, and is simultaneously communicated with the annular cooling channel and the bottom surface of the cylinder body so as to perform heat convection cooling on the quartz crucible steel mould;
the spiral cooling water pipe includes: the water inlet hole used for communicating the first spiral water pipe and the water outlet hole used for communicating the second spiral water pipe are formed in the bottom of the cylinder body;
the annular cooling channel includes: the sealing device comprises an annular flange arranged on the top surface of the cylinder body and a sealing ring arranged between the annular flange and the cylinder body.
2. The quartz crucible water cooling mold of claim 1, wherein the first and second spiral water pipes are detachably disposed inside the cylinder.
3. The quartz crucible water cooling mold according to claim 2, wherein a guide cylinder for reducing the volume of the cavity is provided inside the cylinder.
4. A quartz crucible water cooling mold according to claim 3, wherein the guide cylinder is specifically configured as a horn mouth shape with a narrow lower part and a wide upper part, so as to facilitate the suction of the suction through hole.
5. The quartz crucible water cooling mold according to claim 4, wherein the bottom surface of the sealing ring is provided on the side wall of the cylinder body by a reinforcing rib.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210152130.1A CN114477734B (en) | 2022-02-18 | 2022-02-18 | Quartz crucible water cooling die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210152130.1A CN114477734B (en) | 2022-02-18 | 2022-02-18 | Quartz crucible water cooling die |
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| Publication Number | Publication Date |
|---|---|
| CN114477734A CN114477734A (en) | 2022-05-13 |
| CN114477734B true CN114477734B (en) | 2023-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210152130.1A Active CN114477734B (en) | 2022-02-18 | 2022-02-18 | Quartz crucible water cooling die |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115974383A (en) * | 2022-12-30 | 2023-04-18 | 宁夏鑫晶新材料科技有限公司 | Quartz crucible preparation facilities |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4285788B2 (en) * | 1996-03-14 | 2009-06-24 | 信越石英株式会社 | Manufacturing method of large diameter quartz crucible for single crystal pulling |
| CN201722278U (en) * | 2010-05-19 | 2011-01-26 | 杭州大和热磁电子有限公司 | Novel metal mold for processing quartz crucible |
| CN202499799U (en) * | 2012-04-06 | 2012-10-24 | 锦州佑鑫石英科技有限公司 | Water jacket of quartz crucible |
| CN205133393U (en) * | 2015-11-25 | 2016-04-06 | 锦州佑鑫石英科技有限公司 | Water jacket of quartz crucible |
| CN208023108U (en) * | 2018-02-02 | 2018-10-30 | 天津市宇航兴达真空设备制造有限公司 | A kind of polycrystalline silicon ingot or purifying furnace |
| CN209798159U (en) * | 2019-01-26 | 2019-12-17 | 渤海大学 | Intelligent vacuum directional solidification device |
| CN210103743U (en) * | 2019-04-23 | 2020-02-21 | 浙江美晶新材料有限公司 | Steel mould for manufacturing quartz crucible |
| CN214082002U (en) * | 2020-09-25 | 2021-08-31 | 廊坊赫尔劳斯太阳能光伏有限公司 | Double-layer graphite mold for quartz crucible |
| CN113954205A (en) * | 2021-11-18 | 2022-01-21 | 江苏神汇新型陶瓷材料科技有限公司 | Split type combined quartz crucible mold |
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| CN114477734A (en) | 2022-05-13 |
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Effective date of registration: 20230425 Address after: 313000 Shunyuan Road, Dong'er District, Shangyu Economic and Technological Development Zone, Hangzhou Bay, Hangzhou City, Zhejiang Province Applicant after: Zhejiang Meijing New Materials Co.,Ltd. Address before: 014030 room 807, building a, management committee of Qingshan District equipment manufacturing industrial park, Baotou City, Inner Mongolia Autonomous Region Applicant before: Inner Mongolia Xinjing New Material Co.,Ltd. |
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