CN111002435A - Weaving process of carbon-carbon crucible preform for monocrystalline silicon furnace - Google Patents

Weaving process of carbon-carbon crucible preform for monocrystalline silicon furnace Download PDF

Info

Publication number
CN111002435A
CN111002435A CN201911318115.4A CN201911318115A CN111002435A CN 111002435 A CN111002435 A CN 111002435A CN 201911318115 A CN201911318115 A CN 201911318115A CN 111002435 A CN111002435 A CN 111002435A
Authority
CN
China
Prior art keywords
carbon
winding
filaments
layer
preform
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201911318115.4A
Other languages
Chinese (zh)
Inventor
王金铎
啜艳明
郭宾
周倩
胡士伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BAODING SHUNTIAN NEW MATERIAL CO LTD
Original Assignee
BAODING SHUNTIAN NEW MATERIAL CO LTD
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BAODING SHUNTIAN NEW MATERIAL CO LTD filed Critical BAODING SHUNTIAN NEW MATERIAL CO LTD
Priority to CN201911318115.4A priority Critical patent/CN111002435A/en
Publication of CN111002435A publication Critical patent/CN111002435A/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B1/00—Producing shaped prefabricated articles from the material
    • B28B1/30—Producing shaped prefabricated articles from the material by applying the material on to a core or other moulding surface to form a layer thereon
    • B28B1/40—Producing shaped prefabricated articles from the material by applying the material on to a core or other moulding surface to form a layer thereon by wrapping, e.g. winding
    • 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
    • C30B15/10—Crucibles or containers for supporting the melt
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)

Abstract

The invention discloses a weaving process of a carbon-carbon crucible preform for a monocrystalline silicon furnace, which comprises the following steps: s1, calculating the total number of winding layers according to the design size and density requirements of the prefabricated body, thereby calculating the total length of the required weftless fabric, net tire and fiber filament and carrying out continuous winding; s2, firstly laying a layer of plain cloth on the tool, then laying a layer of net tire, uniformly winding the fiber filaments in the transverse direction and the longitudinal direction, then needling, repeating the steps until the prefabricated body is manufactured, wherein the core is that the transverse filaments and the longitudinal filaments are uniformly wound at the same time. By adopting the carbon-carbon crucible preform weaving process for the monocrystalline silicon furnace, the strength of the crucible is greatly improved, the service life of the crucible is prolonged, and the raw material cost and the processing cost are reduced.

Description

Weaving process of carbon-carbon crucible preform for monocrystalline silicon furnace
Technical Field
The invention relates to the technical field of carbon-carbon crucible preparation processes, in particular to a weaving process of a carbon-carbon crucible preform for a monocrystalline silicon furnace.
Background
The prefabricated body is used for manufacturing a carbon-carbon composite material blank, and the service life of a carbon-carbon product is directly influenced. At present, the carbon-carbon composite material is widely applied to a monocrystalline silicon drawing link in the photovoltaic industry, and along with the requirement of photovoltaic flat-price networking, the cost of each link needs to be further reduced. The existing crucible preform weaving method is that a layer of plain weave cloth is laid on a tool, a net tire is laid after cutting, a layer of twill weave cloth is laid after needling, the net tire is laid after cutting, and the laying and the needling are repeated in sequence. The end-to-end connection phenomenon of each layer of carbon cloth can occur in the weaving process, so that the carbon crucible is damaged due to low strength of the connection position after being extruded by external force when the monocrystalline silicon is pulled, and the service life of the product is shortened.
Disclosure of Invention
The invention aims to provide a carbon-carbon crucible preform weaving process for a monocrystalline silicon furnace, which greatly improves the strength of a crucible, thereby prolonging the service life of the crucible and simultaneously reducing the raw material cost and the processing cost.
In order to realize the aim, the invention provides a weaving process of a carbon-carbon crucible preform for a monocrystalline silicon furnace, which comprises the following steps:
s1, calculating the total number of winding layers according to the design size and density requirements of the prefabricated body, thereby calculating the total length of the required weftless fabric, net tire and fiber filament and carrying out continuous winding;
s2, firstly laying a layer of plain cloth on the tool, then laying a layer of net tire, uniformly winding the fiber filaments in the transverse direction and the longitudinal direction, then needling, repeating the steps until the prefabricated body is manufactured, wherein the core is that the transverse filaments and the longitudinal filaments are uniformly wound at the same time.
Preferably, in step S2, the preform is arranged in a manner of sequentially arranging plain cloth, a net tire, a winding layer and a net tire from bottom to top, wherein the winding layer is in a transverse and longitudinal filament winding structure.
Preferably, in step S2, the needling density is 18 needles/cm3。
Therefore, the carbon-carbon crucible preform weaving process for the monocrystalline silicon furnace greatly improves the strength of the crucible, prolongs the service life of the crucible and reduces the raw material cost and the processing cost. The invention has the innovation points that the fiber filaments are continuously, uniformly and synchronously wound in the transverse direction and the longitudinal direction, the original mode of taking the twill cloth as a main strength structure is changed, and the service life of the carbon product is effectively prolonged finally.
The technical solution of the present invention is further described in detail by the following examples.
Detailed Description
The embodiments of the present invention will be further explained below.
A weaving process of a carbon-carbon crucible preform for a monocrystalline silicon furnace comprises the following steps:
s1, calculating the total number of winding layers according to the design size and density requirements of the prefabricated body, thereby calculating the total length of the required weftless fabric, net tire and fiber filament and carrying out continuous winding;
s2, firstly laying a layer of plain cloth on the tool, then laying a layer of net tire, uniformly winding the fiber filaments in the transverse direction and the longitudinal direction, then needling, repeating the steps until the prefabricated body is manufactured, wherein the core is that the transverse filaments and the longitudinal filaments are uniformly wound at the same time. Wherein the needling density is reduced by 50% compared with the conventional process, and is reduced by 35 needles/cm3Reduced to 18 needles/cm3。
In step S2, the preform is arranged in a mode that plain cloth, a net tire, a winding layer and a net tire are sequentially arranged from bottom to top, and the winding layer is of a transverse and longitudinal fiber filament winding structure.
The invention uses continuous filaments to replace twill cloth, ensures that the filaments of the preform are continuous and high in content, the strength of the filaments is higher than that of net tires and carbon cloth, and is a main source of the strength of the preform, and the reduction of needling density is to prevent needling from damaging the continuous structure of the filaments. The method is used for weaving, so that the service life of the crucible can be prolonged from the original 50-60 furnaces to about 80 furnaces when the crucible is used for pulling single crystals.
Therefore, the carbon-carbon crucible preform weaving process for the monocrystalline silicon furnace greatly improves the strength of the crucible, prolongs the service life of the crucible and reduces the raw material cost and the processing cost.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the invention without departing from the spirit and scope of the invention.

Claims (3)

1. A carbon-carbon crucible preform weaving process for a monocrystalline silicon furnace is characterized by comprising the following steps:
s1, calculating the total number of winding layers according to the design size and density requirements of the prefabricated body, thereby calculating the total length of the required weftless fabric, net tire and fiber filament and carrying out continuous winding;
s2, firstly laying a layer of plain cloth on the tool, then laying a layer of net tire, uniformly winding the fiber filaments in the transverse direction and the longitudinal direction, then needling, repeating the steps until the prefabricated body is manufactured, wherein the core is that the transverse filaments and the longitudinal filaments are uniformly wound at the same time.
2. The process of claim 1, wherein the carbon-carbon crucible preform for the single crystal silicon furnace comprises the following steps: in step S2, the preform is arranged in a mode that plain cloth, a net tire, a winding layer and a net tire are sequentially arranged from bottom to top, and the winding layer is of a transverse and longitudinal fiber filament winding structure.
3. The process of claim 1, wherein the carbon-carbon crucible preform for the single crystal silicon furnace comprises the following steps: in step S2, the needling density is 18 needles/cm3。
CN201911318115.4A 2019-12-19 2019-12-19 Weaving process of carbon-carbon crucible preform for monocrystalline silicon furnace Pending CN111002435A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911318115.4A CN111002435A (en) 2019-12-19 2019-12-19 Weaving process of carbon-carbon crucible preform for monocrystalline silicon furnace

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911318115.4A CN111002435A (en) 2019-12-19 2019-12-19 Weaving process of carbon-carbon crucible preform for monocrystalline silicon furnace

Publications (1)

Publication Number Publication Date
CN111002435A true CN111002435A (en) 2020-04-14

Family

ID=70116813

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911318115.4A Pending CN111002435A (en) 2019-12-19 2019-12-19 Weaving process of carbon-carbon crucible preform for monocrystalline silicon furnace

Country Status (1)

Country Link
CN (1) CN111002435A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113121254A (en) * 2021-04-19 2021-07-16 福建康碳复合材料科技有限公司 Preparation method of large-size R-angle crucible preform
CN114656271A (en) * 2022-04-19 2022-06-24 浙江德鸿碳纤维复合材料有限公司 Carbon-carbon crucible and preparation method thereof
CN115214203A (en) * 2022-07-21 2022-10-21 青岛晶易新材料科技股份有限公司 Novel carbon fiber preform composite unit layer, preform and needling process thereof
CN115677371A (en) * 2022-11-18 2023-02-03 浙江超探碳素新材料有限公司 Carbon-carbon muffle and manufacturing method thereof
CN117265641A (en) * 2023-11-20 2023-12-22 内蒙古鼎泰万邦新材料有限公司 Braided crucible preform and manufacturing method
CN117863659A (en) * 2024-01-19 2024-04-12 北京机科国创轻量化科学研究院有限公司 Acupuncture rotary preform laying and winding integrated forming method

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09286689A (en) * 1996-04-24 1997-11-04 Sumitomo Metal Ind Ltd Graphite crucible for pulling up single crystal and its manufacture
CN101657570A (en) * 2007-04-18 2010-02-24 东洋炭素株式会社 Expandable graphite sheet, method for protecting carbonaceous crucible using the expandable graphite sheet, and single crystal pulling apparatus
CN102093069A (en) * 2010-12-03 2011-06-15 西安超码科技有限公司 Charcoal cloth layering method for enhancing intensity of carbon/carbon crucible
CN102990800A (en) * 2012-08-17 2013-03-27 江苏天鸟高新技术股份有限公司 Method for preparing carbon fibre prefabricated body of support and heat-insulation part in thermal field of monocrystalline silicon furnace
CN103482995A (en) * 2013-08-06 2014-01-01 江苏天鸟高新技术股份有限公司 Continuous carbon fiber reinforced crucible preform and preparation method thereof
CN108638599A (en) * 2018-04-18 2018-10-12 保定顺天新材料股份有限公司 Monocrystaline silicon stove Carbon fibe crucible knitted body and preparation method thereof
CN109354507A (en) * 2018-11-02 2019-02-19 西安超码科技有限公司 A kind of production method of novel long-life carbon/carbon composite material crucible precast body

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09286689A (en) * 1996-04-24 1997-11-04 Sumitomo Metal Ind Ltd Graphite crucible for pulling up single crystal and its manufacture
CN101657570A (en) * 2007-04-18 2010-02-24 东洋炭素株式会社 Expandable graphite sheet, method for protecting carbonaceous crucible using the expandable graphite sheet, and single crystal pulling apparatus
CN102093069A (en) * 2010-12-03 2011-06-15 西安超码科技有限公司 Charcoal cloth layering method for enhancing intensity of carbon/carbon crucible
CN102990800A (en) * 2012-08-17 2013-03-27 江苏天鸟高新技术股份有限公司 Method for preparing carbon fibre prefabricated body of support and heat-insulation part in thermal field of monocrystalline silicon furnace
CN103482995A (en) * 2013-08-06 2014-01-01 江苏天鸟高新技术股份有限公司 Continuous carbon fiber reinforced crucible preform and preparation method thereof
CN108638599A (en) * 2018-04-18 2018-10-12 保定顺天新材料股份有限公司 Monocrystaline silicon stove Carbon fibe crucible knitted body and preparation method thereof
CN109354507A (en) * 2018-11-02 2019-02-19 西安超码科技有限公司 A kind of production method of novel long-life carbon/carbon composite material crucible precast body

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113121254A (en) * 2021-04-19 2021-07-16 福建康碳复合材料科技有限公司 Preparation method of large-size R-angle crucible preform
CN113121254B (en) * 2021-04-19 2022-09-16 福建康碳复合材料科技有限公司 Preparation method of large-size R-angle crucible preform
CN114656271A (en) * 2022-04-19 2022-06-24 浙江德鸿碳纤维复合材料有限公司 Carbon-carbon crucible and preparation method thereof
CN115214203A (en) * 2022-07-21 2022-10-21 青岛晶易新材料科技股份有限公司 Novel carbon fiber preform composite unit layer, preform and needling process thereof
CN115214203B (en) * 2022-07-21 2024-05-14 青岛晶易新材料科技股份有限公司 Carbon fiber preform composite unit layer, preform and needling process thereof
CN115677371A (en) * 2022-11-18 2023-02-03 浙江超探碳素新材料有限公司 Carbon-carbon muffle and manufacturing method thereof
CN115677371B (en) * 2022-11-18 2024-02-20 浙江超探碳素新材料有限公司 Carbon-carbon muffle and manufacturing method thereof
CN117265641A (en) * 2023-11-20 2023-12-22 内蒙古鼎泰万邦新材料有限公司 Braided crucible preform and manufacturing method
CN117265641B (en) * 2023-11-20 2024-01-30 内蒙古鼎泰万邦新材料有限公司 Braided crucible preform and manufacturing method
CN117863659A (en) * 2024-01-19 2024-04-12 北京机科国创轻量化科学研究院有限公司 Acupuncture rotary preform laying and winding integrated forming method

Similar Documents

Publication Publication Date Title
CN111002435A (en) Weaving process of carbon-carbon crucible preform for monocrystalline silicon furnace
EP2348143B1 (en) Fiber bundle with pieced part, process for producing same, and process for producing carbon fiber
CN101519794B (en) Crucible holding member and method for producing the same
CN101519795B (en) Crucible holding member and method for producing the same
CN101618970B (en) Crucible holding member and method for producing the same
JP2017535682A (en) Fabrication method of low denier high modulus polyester tire cord fabric
CN114801353B (en) Pre-oxidized fiber/carbon fiber structure preform and preparation method thereof
US4335089A (en) Process for producing carbon fibers
JPS6238444B2 (en)
CN214193511U (en) Crucible with supporting structure
CN202279903U (en) Reed used during manufacturing process of curtain cloth
KR101065185B1 (en) Cylindrical Carbon Heating Element
CN115677371B (en) Carbon-carbon muffle and manufacturing method thereof
JP2006188796A (en) Method for producing polyester fiber for rubber reinforcement
CN203270171U (en) Carbon fiber reinforced fabric
CN116555965B (en) Production method for improving quality stability of monofilament industrial cloth
CN114892313B (en) Method for loading polyacrylonitrile fibers into carbon fibers
CN217598001U (en) Carrier reinforced low-density fiber preform
JP2010090506A (en) Tire cord fabric, and method for producing fibrous cord
CN106192080B (en) A method of improving carbon fiber yield rate
JPS60126324A (en) Method for producing carbon fiber bundle having high orientation of filament
JPS62117817A (en) Production of pitch based carbon fiber
KR101439762B1 (en) Dip-cord for tire-capfly and method of feeding dip-cord into insert-die
CN117105003A (en) Glass fiber bobbin type conveying device and production process thereof
CN117510221A (en) Weaving method of thermal field carbon composite material crucible preform

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20200414

RJ01 Rejection of invention patent application after publication