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SU560841A1 - Furnace for drawing fiber from refractory materials - Google Patents

Furnace for drawing fiber from refractory materials

Info

Publication number
SU560841A1
SU560841A1 SU2153745A SU2153745A SU560841A1 SU 560841 A1 SU560841 A1 SU 560841A1 SU 2153745 A SU2153745 A SU 2153745A SU 2153745 A SU2153745 A SU 2153745A SU 560841 A1 SU560841 A1 SU 560841A1
Authority
SU
USSR - Soviet Union
Prior art keywords
heater
furnace
zirconium
rotation
rings
Prior art date
Application number
SU2153745A
Other languages
Russian (ru)
Inventor
Юрий Сергеевич Торопов
Гарри Антонович Таксис
Дмитрий Самойлович Рутман
Алексей Федорович Маурин
Сергей Юрьевич Плинер
Дамир Камердинович Саттаров
Сания Селиуловна Сафиулина
Original Assignee
Предприятие П/Я Р-6681
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 Предприятие П/Я Р-6681 filed Critical Предприятие П/Я Р-6681
Priority to SU2153745A priority Critical patent/SU560841A1/en
Application granted granted Critical
Publication of SU560841A1 publication Critical patent/SU560841A1/en

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B37/00Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
    • C03B37/01Manufacture of glass fibres or filaments
    • C03B37/02Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor
    • C03B37/025Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor from reheated softened tubes, rods, fibres or filaments, e.g. drawing fibres from preforms
    • C03B37/029Furnaces therefor
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2205/00Fibre drawing or extruding details
    • C03B2205/60Optical fibre draw furnaces
    • C03B2205/62Heating means for drawing
    • C03B2205/64Induction furnaces, i.e. HF/RF coil, e.g. of the graphite or zirconia susceptor type

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)

Claims (2)

В центре печи расположен высокотемпе ратурный алектронагреватель 1 из двуо.и си циркони . К верхней и нижней торцовой поверхности электронш ревател  1 керамическими корундовыми кольцами 2 прижаты платинородиевые кольца 3 токоподвод щих к ц11ркониеБОму электронагревателю электродов . Вокруг корундовых колец 2 установлено теплоотвод щее холодильное устройство 4. Устройство предварительного разогрева циркониевого электронагревател  1 выполнено в виде полого защитного теплоизол ционного стакана 5 из высокоогне- упорной керамики на основе высокоогнеупориых окислов чиркони , иттри , алюми- ни , цирконатов, внутрь которого вмонтирован спиральный электронагреватель 6 из жаропрочного сплава. Снизу печи внутри циркониевого нагревател  установлен кольцевой холодильник 7 с регулиреумым или воздушным охлаждением. Между внешней поверхностью холодильника 7 и циркониевым нагревателем 1 рас положен керамический отражательный экра 8 из тугоплавких материалов, например, двуокиси циркони , окиси иттри , берилли , алюмини , предназначенный дл  защиты приэлектродной части нагревател  1 от сильного охлаждени  кольцевым холодильным устройством 7. Температурный градиент по высоте печи до SOO С обеспечиваетс  специальными профильными циркониевыми электронагревател ми 1 с двусторонним токоотводом, а также установлением у выходного отверсти  внутри нагревател  кольцевого холодильного устройства 7 с регулируемым тепл оотводом. Формула изобретени  1. Печь дл  выт гивани  волокна из тугоплавких материалов, преимущественно кварцевого стекла, содержаща  высокотемпературш 1й электронагреватель, токопро- вод щие электроды, устройство предварительного нагрева и кольцевой холодильник , отличающа с   тем, что, с целью обеспечени  создани  по высоа-е печи температурного г-радиента ди ;о500°С/см , нагреватель выполнен Б виде вогнутого снаружи с отверстием по центру тела вращени S образованного поверх ност  и вращени  второго пор дка с общими продольной и поперечной ос ми и цилиндрической поверхностью и двум  гщ,оскоот ми , параллельными плоскости поперечных осей поверхностей вращени , а кольцевой холодильник установлен внутри нагревател  у выходного отверсти . 2.Печь по п. 1,. отличающа с   тем, что она снабжена отражающим экраном, установленным между нагревателем и холодильником и выполненным из тугоплавких керамических материалов,. 3.Печь по п. 1, отличающа  с   тем, что нагреватель выполнен составным из колец. 4.Печь по п. 1, отличающа с   тем, что нагреватель выполнен в виде, полого тела вращени , образованного двум  поверхност ми вращени  второго пор дка с различной крутизной в точках, равноотсто щих вверх и вниз от плоскости поперечных осей дл  каждой поверхности соолветственно . Источники информации, прин тые во вни-ГГ мание при экспертизе: 1.Капани Н. Волоконна  оптика, М,, . Мир, 1969, с. 138-141. In the center of the furnace, there is a high-temperature heater 1 of two zirconium bio and Si. The platinum-rhodium rings 3 of the current-carrying electrodes are pressed to the upper and lower end surfaces of the electron-wire 1 with ceramic corundum rings 2 and onto the electro-heaters. A heat-removing refrigerating device 4 is installed around the corundum rings 2. The preheating device for the zirconium electric heater 1 is made in the form of a hollow protective heat-insulating glass 5 of high-refractory ceramics based on high-refractory oxides chirconi, yttri, aluminum, zirconate, and there is a pattern, 6 of heat resistant alloy. A rotary cooler 7 with adjustable or air cooling is installed at the bottom of the furnace inside the zirconium heater. Between the outer surface of the refrigerator 7 and the zirconium heater 1 there is a ceramic reflective shield 8 made of refractory materials, for example, zirconium dioxide, yttrium oxide, beryllium, aluminum, designed to protect the near-electrode part of the heater 1 from strong cooling by an annular refrigerating device 7. Temperature gradient in height Furnaces up to SOO C are provided with special profile zirconia electric heaters 1 with a two-sided current lead, as well as the installation at the outlet inside tel annular cooling device 7 controlled warm ootvodom. Claim 1. A furnace for draining fibers from refractory materials, mainly quartz glass, containing a high temperature 1st heater, current conducting electrodes, a preheating device and a ring cooler, in order to ensure temperature r-radienta; about 500 ° C / cm, the heater is made B in the form of a concave outside with a hole in the center of the body of rotation S formed by the surface and second order rotation with a common longitudinal and transverse axis and a cylindrical surface and two brackets, with chunks parallel to the plane of the transverse axes of the surfaces of rotation, and an annular cooler is installed inside the heater at the outlet. 2. Furnace according to claim 1 ,. characterized in that it is provided with a reflective screen mounted between the heater and the cooler and made of refractory ceramic materials. 3. The furnace according to claim 1, characterized in that the heater is made of a composite of rings. 4. The furnace according to claim 1, wherein the heater is made in the form of a hollow rotation body formed by two second-order rotation surfaces with different steepness at points equidistant up and down from the plane of the transverse axes for each surface respectively. Sources of information taken in the attention of the expert at the examination: 1. Kapani N. Volokonna optics, M ,,. World, 1969, p. 138-141. 2.Патент США № 3155759, кп, 1325 , 1964 (прототип).2. US patent number 3155759, CP, 1325, 1964 (prototype). 22
SU2153745A 1975-07-09 1975-07-09 Furnace for drawing fiber from refractory materials SU560841A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU2153745A SU560841A1 (en) 1975-07-09 1975-07-09 Furnace for drawing fiber from refractory materials

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU2153745A SU560841A1 (en) 1975-07-09 1975-07-09 Furnace for drawing fiber from refractory materials

Publications (1)

Publication Number Publication Date
SU560841A1 true SU560841A1 (en) 1977-06-05

Family

ID=20625789

Family Applications (1)

Application Number Title Priority Date Filing Date
SU2153745A SU560841A1 (en) 1975-07-09 1975-07-09 Furnace for drawing fiber from refractory materials

Country Status (1)

Country Link
SU (1) SU560841A1 (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2451898A1 (en) * 1979-03-21 1980-10-17 Philips Nv METHOD AND DEVICE FOR MANUFACTURING OPTICAL FIBERS, AND OPTICAL FIBERS MADE FROM KIND
US4400190A (en) * 1981-09-28 1983-08-23 Gte Laboratories Incorporated Graphite element for use in a furnace for drawing optical fiber
US4514205A (en) * 1981-11-05 1985-04-30 Corning Glass Works Fiber cooling apparatus
WO1999065834A1 (en) * 1998-06-13 1999-12-23 Alcatel Method and device for drawing an optical fibre from a preform
WO2000056675A1 (en) * 1999-03-23 2000-09-28 Schott Glas Method and device for the homogeneous heating of glass and/or glass-ceramic articles using infrared radiation
WO2000056674A1 (en) * 1999-03-23 2000-09-28 Schott Glas Method of forming glass-ceramic parts and/or glass parts

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2451898A1 (en) * 1979-03-21 1980-10-17 Philips Nv METHOD AND DEVICE FOR MANUFACTURING OPTICAL FIBERS, AND OPTICAL FIBERS MADE FROM KIND
US4400190A (en) * 1981-09-28 1983-08-23 Gte Laboratories Incorporated Graphite element for use in a furnace for drawing optical fiber
US4514205A (en) * 1981-11-05 1985-04-30 Corning Glass Works Fiber cooling apparatus
WO1999065834A1 (en) * 1998-06-13 1999-12-23 Alcatel Method and device for drawing an optical fibre from a preform
WO2000056675A1 (en) * 1999-03-23 2000-09-28 Schott Glas Method and device for the homogeneous heating of glass and/or glass-ceramic articles using infrared radiation
WO2000056674A1 (en) * 1999-03-23 2000-09-28 Schott Glas Method of forming glass-ceramic parts and/or glass parts
US7000430B1 (en) 1999-03-23 2006-02-21 Schott Ag Method of forming glass-ceramic parts and/or glass parts
US7017370B1 (en) 1999-03-23 2006-03-28 Schott Ag Method and device for the homogenous heating of glass and/or glass-ceramic articles using infrared radiation

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