CN114477734A - Quartz crucible water-cooling mold - Google Patents

Quartz crucible water-cooling mold Download PDF

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Publication number
CN114477734A
CN114477734A CN202210152130.1A CN202210152130A CN114477734A CN 114477734 A CN114477734 A CN 114477734A CN 202210152130 A CN202210152130 A CN 202210152130A CN 114477734 A CN114477734 A CN 114477734A
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CN
China
Prior art keywords
quartz crucible
water pipe
cooling
spiral
water
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Granted
Application number
CN202210152130.1A
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Chinese (zh)
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CN114477734B (en
Inventor
袁新
周勇
吴伟华
方志远
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Zhejiang Meijing New Materials Co ltd
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Inner Mongolia Xinjing New Material Co ltd
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Publication of CN114477734A publication Critical patent/CN114477734A/en
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    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B19/00Other methods of shaping glass
    • C03B19/06Other 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
    • C03B19/066Other 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
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B20/00Processes specially adapted for the production of quartz or fused silica articles, not otherwise provided for
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00Technologies relating to the processing of minerals
    • Y02P40/50Glass production, e.g. reusing waste heat during processing or shaping
    • Y02P40/57Improving 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 the quartz crucible steel mould, the quartz crucible steel mould outer wall forms the cavity with the inner wall of barrel, and the barrel bottom is equipped with the through-hole of bleeding that feeds through above-mentioned cavity simultaneously, and the through-hole of bleeding is used for taking out the cavity inside into vacuum environment. The top of the cylinder is provided with an annular cooling channel, the inner wall surrounding the cylinder is provided with a spiral cooling water pipe, and the spiral cooling water pipe is communicated with the annular cooling channel and the bottom surface of the cylinder at the same time; cooling water can be injected into the spiral cooling water pipe through the bottom surface of the cylinder body, flows around the spiral cooling water pipe and the annular cooling channel and finally flows out of the bottom surface of the cylinder body, and heat of the quartz crucible steel die is taken away by utilizing heat convection cooling; the spiral cooling water pipe is adopted, so that the refrigerating area of the spiral cooling water pipe can be increased, the cooling capacity is enhanced, the spiral cooling water pipe is more convenient to modify and adjust, the spiral cooling water pipe is suitable for various working conditions, and the use cost is reduced.

Description

Quartz crucible water-cooling mold
Technical Field
The invention relates to the field of production of quartz crucibles in photovoltaic and semiconductor industries, in particular to a quartz crucible water-cooling mold.
Background
At present, the production of the quartz crucible generally adopts a process of arc melting quartz sand, and granular quartz sand is melted in a mould and then is formed into the 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-cooling mould, and the water-cooling mould rotates on a rotating machine at a high speed. The heat released by the electric arc is used for melting quartz sand, and most of the rest heat is absorbed by the steel die, the smelting process requires higher temperature in the steel die, but for the steel die, good external cooling conditions are required, so the cooling capacity of the water-cooling die is very important for the steel die, and is directly related to the service life of the steel die.
In order to prevent the steel die from being exploded or influence on the melting degree of the quartz sand caused by too high heat dissipation speed due to the fact that the steel die is directly cooled by cooling water, the steel die and the quartz sand are mainly cooled in a heat convection mode, and therefore the larger the cooling area of the water cooling die is, the better the cooling area is.
The water cooling mold adopting a double-layer cylindrical barrel-shaped structure design in the prior art, but the prior art also comprises the following defects: the double-layer cylindrical structure is also fixed in cooling area of the main structure, 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-cooling mold with stronger cooling effect is a problem to be solved by the technical personnel in the field.
Disclosure of Invention
The invention aims to provide a quartz crucible water-cooling mold with larger refrigerating area and stronger cooling effect.
In order to achieve the above object, the present invention provides a quartz crucible water-cooling mold, comprising: the quartz crucible steel die is arranged in the opening, and the top of the quartz crucible steel die is lapped on the opening so as to form a cavity between the cylinder and the quartz crucible steel die;
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 arranged along the inner wall of the barrel in a surrounding mode, and the spiral cooling water pipe is communicated with the annular cooling channel and the bottom surface of the barrel at the same time to carry out heat convection cooling on the quartz crucible steel die.
Optionally, the spiral cooling water pipe comprises: the first spiral water pipe and the second spiral water pipe are alternately arranged in a surrounding mode, and a water inlet hole used for communicating the first spiral water pipe and a water outlet hole used for communicating the second spiral water pipe are formed in the bottom of the barrel.
Optionally, the first spiral water pipe and the second spiral water pipe are detachably arranged inside the cylinder body.
Optionally, a guide shell for reducing the volume of the cavity is arranged inside the cylinder body.
Optionally, the guide shell is specifically configured to be a bell mouth shape with a narrow bottom and a wide top, so as to facilitate air extraction through the air extraction through hole.
Optionally, the annular cooling channel comprises: the sealing ring is arranged between the annular flange and the cylinder body.
Optionally, the bottom surface of the sealing ring is arranged on the side wall of the barrel through a reinforcing rib.
Compared with the background technology, the quartz crucible steel mold cooling device is provided with the cylinder body, the quartz crucible steel mold is placed in the cylinder body, the outer wall of the quartz crucible steel mold and the inner wall of the cylinder body form a cavity, meanwhile, the bottom of the cylinder body is provided with the air exhaust through hole communicated with the cavity, and the air exhaust through hole is used for exhausting the inside of the cavity into 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, the inner wall surrounding the cylinder is provided with a spiral cooling water pipe, the spiral cooling water pipe is communicated with the annular cooling channel and the bottom surface of the cylinder at the same time, and the spiral cooling water pipe is positioned in the cavity and is not contacted with the quartz crucible steel die after the quartz crucible steel die is placed in the cavity; cooling water can be injected into the spiral cooling water pipe through the bottom surface of the cylinder body, flows around the spiral cooling water pipe and the annular cooling channel and finally flows out of the bottom surface of the cylinder body, and heat of the quartz crucible steel die is taken away by utilizing heat convection cooling; the spiral cooling water pipe is adopted, so that the refrigerating area of the cooling water pipe can be increased, the cooling capacity is enhanced, and the space is fully utilized; and the modification and the 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.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a quartz crucible water-cooling mold provided in an embodiment of the present invention;
FIG. 2 is an enlarged view of a portion of an annular cooling passage provided by an embodiment of the present invention.
Wherein:
1-cylinder, 2-annular cooling channel, 3-first spiral water pipe, 4-second spiral water pipe, 5-air exhaust through hole, 6-water inlet, 7-water outlet, 8-guide cylinder, 9-annular flange, 10-sealing ring, 11-reinforcing rib, 12-quartz crucible steel die and 13-flange plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order that those skilled in the art will better understand the disclosure, the invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Referring to the attached figure 1 of the specification, the attached figure 1 is a schematic structural diagram of a quartz crucible water-cooling mold provided by the embodiment of the invention, and the structure comprises: the cylinder body 1 is internally used for placing the quartz crucible steel die 12, and in order to realize the heat convection cooling between the quartz crucible steel die 12 and the water cooling die, a cavity is required to be formed between the outer wall of the quartz crucible steel die 12 and the inner wall of the cylinder body 1 and is realized by overlapping the top of the quartz crucible steel die at the opening of the cylinder body 1; meanwhile, the flange plate 13 at the bottom of the cylinder body 1 is provided with an air exhaust through hole 5 communicated with the cavity, and the air exhaust through hole 5 is used for exhausting the inside of the cavity into a vacuum space so as to provide a necessary working environment for cooling the quartz crucible and meeting the process requirements. An annular cooling channel 2 is arranged in an annular opening at the top of the cylinder body 1, a spiral cooling water pipe is arranged around the inner wall of the cylinder body 1 and is simultaneously communicated with the annular cooling channel 2 and a flange plate 13 on the bottom surface of the cylinder body 1, and the spiral cooling water pipe is positioned in a cavity and is not contacted with the quartz crucible steel die 12 after being placed into the quartz crucible steel die 12; a worker 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 and finally flows out of the bottom surface of the cylinder body 1, and the heat of the quartz crucible steel die 12 is taken away; namely, the quartz crucible steel mold 12 is cooled by thermal convection while the quartz crucible water-cooled mold is rotated. The cooling area of the circular annular pipeline can be increased by adopting the spiral cooling water pipe, 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 the 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.
The bottom surface of the cylinder 1 is not limited to the structure of the flange 13, and is not expanded.
Further, the spiral cooling water pipe includes: first spiral water pipe 3 and second spiral water pipe 4, above-mentioned first spiral water pipe 3 and second spiral water pipe 4 communicate two interfaces of annular cooling channel 2 respectively, and the two is used for the alternate nested setting of refrigerated encircleing part to guarantee with the space utilization maximize, the ring flange 13 of the 1 bottom surface of above-mentioned barrel is vertical to be provided with the inlet opening 6 of intercommunication first spiral water pipe 3 and the apopore 7 of the above-mentioned second spiral water pipe 4 of intercommunication. Can follow inlet opening 6 and pour into cooling water into, cooling water flows through first spiral water pipe 3 and gets into annular cooling channel 2, flows into second spiral water pipe 4 through the distribution of annular cooling channel 2 to from apopore 7 outflow, realize the circulation cooling of cooling water.
The spiral cooling water pipe is not limited to be arranged in the structure, the number of the arranged water pipes and the water inlet and outlet distribution method can be changed according to actual requirements, and the detailed description is omitted.
Further, above-mentioned first spiral water pipe 3 and second spiral water pipe 4 homogeneous phase can be dismantled for barrel 1 is inside, considers that spiral cooling water pipe is perishable, the scale deposit in high temperature environment, can reduce use cost through dismantling alone and changing spiral cooling water pipe, prolongs water-cooling mould's life.
Further, a guide cylinder 8 is arranged inside 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 arranged around the cylinder 1 in the circumferential direction; the useless space at the corner is isolated, the volume of the cavity is reduced, the air content is reduced, and the vacuum environment is quickly established. Of course, the arrangement mode of the guide shell 8 is not limited to the above one, and will not be described herein again.
Further, the guide shell 8 is specifically designed to be a horn mouth shape with a narrow lower part and a wide upper part, and the structure provides a guide effect for air exhaust of the air exhaust through hole 5, and improves the quality of a vacuum environment. The invention meets the requirement of better cooling capacity of the water-cooling mold, and simultaneously realizes that the space between the quartz crucible steel mold 12 and the water-cooling mold is as small as possible. Of course, the specific structure of the guide shell 8 is not limited to this form, and the present disclosure is not expanded.
Further, referring to fig. 2 of the specification, fig. 2 is a partially enlarged view of an annular cooling channel provided by an embodiment of the present invention, including: above-mentioned annular cooling channel 2 still is provided with sealing washer 10 including setting up the annular flange 9 at barrel 1 top surface between above-mentioned annular flange 9 and the barrel 1 lateral wall top surface, and the empty structure that leaves between annular flange 9 and the sealing washer 10 is promptly as annular cooling channel 2 use, and this simple structure is stable, easily makes to sealed effectual. Of course, the annular cooling channel 2 is not limited to this structural implementation.
Furthermore, the bottom surface of the sealing ring 10 is supported on the side wall of the cylinder 1 through 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 installed on the annular flange 9 in a bolt and nut matching mode.
It is noted that, in this specification, relational terms such as first and second, and the like 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 water-cooling mold of the quartz crucible provided by the invention is described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.

Claims (7)

1. A quartz crucible water-cooling mold is characterized by comprising:
the quartz crucible steel mould comprises a cylinder body, a quartz crucible steel mould and a quartz crucible, wherein the cylinder body is provided with an opening and used for accommodating the 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 body and the quartz crucible steel mould;
the air exhaust through hole is arranged at the bottom of the cylinder 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 along the inner wall of the cylinder body in a surrounding mode, and the spiral cooling water pipe is communicated with the annular cooling channel and the bottom surface of the cylinder body simultaneously so as to carry out heat convection cooling on the quartz crucible steel die.
2. The quartz crucible water-cooling mold according to claim 1, wherein the spiral cooling water pipe comprises: the water inlet pipe is communicated with the water inlet hole of the first spiral water pipe, and the water outlet hole is communicated with the water outlet hole of the second spiral water pipe.
3. The quartz crucible water-cooling mold according to claim 2, wherein the first spiral water pipe and the second spiral water pipe are detachably arranged inside the cylinder body.
4. The quartz crucible water-cooling mold according to claim 3, wherein a guide cylinder for reducing the volume of the cavity is provided inside the cylinder.
5. The quartz crucible water-cooling mold according to claim 4, wherein the guide cylinder is specifically arranged in a bell mouth shape with a narrow lower part and a wide upper part so as to facilitate air suction of the air suction through hole.
6. The quartz crucible water-cooled mold of claim 5, wherein the annular cooling channel comprises: the sealing ring is arranged between the annular flange and the cylinder body.
7. The quartz crucible water-cooling mold according to claim 6, wherein the bottom surface of the seal ring is provided on the side wall of the cylinder through a reinforcing rib.
CN202210152130.1A 2022-02-18 2022-02-18 Quartz crucible water cooling die Active CN114477734B (en)

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CN202210152130.1A CN114477734B (en) 2022-02-18 2022-02-18 Quartz crucible water cooling die

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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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CN114477734A true CN114477734A (en) 2022-05-13
CN114477734B CN114477734B (en) 2023-07-14

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5989021A (en) * 1996-03-14 1999-11-23 Shin-Etsu Quartz Products Co., Ltd. Quartz crucible with large diameter for pulling single crystal and method of producing the same
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

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5989021A (en) * 1996-03-14 1999-11-23 Shin-Etsu Quartz Products Co., Ltd. Quartz crucible with large diameter for pulling single crystal and method of producing the same
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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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