SU481554A1 - Method for producing optical quartz glass - Google Patents
Method for producing optical quartz glassInfo
- Publication number
- SU481554A1 SU481554A1 SU1796910A SU1796910A SU481554A1 SU 481554 A1 SU481554 A1 SU 481554A1 SU 1796910 A SU1796910 A SU 1796910A SU 1796910 A SU1796910 A SU 1796910A SU 481554 A1 SU481554 A1 SU 481554A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- quartz glass
- hydrogen
- optical quartz
- producing optical
- glass
- Prior art date
Links
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- Glass Melting And Manufacturing (AREA)
Description
1one
Изобретение относитс к области производства оптического кварцевого стекла. Оно может быть использовано, в частности , при получении кварцевого стекла без полосы поглощени при 2700 нм.This invention relates to the field of optical quartz glass. It can be used, in particular, in the preparation of silica glass without an absorption band at 2700 nm.
Известен вакуум но-водородный способ получени кварцевого стекла, когда исходное сырье подвергают вакуумно-термической обработке, а затем подают в печь до определенного давлени водород. После этого поднимают температуру в печи ,.до получени расплава.The vacuum-no-hydrogen method of producing silica glass is known, when the feedstock is subjected to vacuum heat treatment, and then hydrogen is fed into the furnace to a certain pressure. After that, the temperature in the furnace is raised to obtain a melt.
Целью изобретени вл етс уменьше-. ние в стекле ИК-полосы поглощени при 270О нм и исключение окрашенных и кристаллических включений.The aim of the invention is to reduce -. infrared absorption bands at 270Onm in glass and elimination of colored and crystalline inclusions.
Это достигаетс тем, что кремнезем промывают водородом после вакуумно-термического обезгаживани , а плавление осуществл ют после промывкл..This is achieved in that the silica is washed with hydrogen after vacuum thermal degassing, and melting is carried out after washing.
Промывку креьлнё ёма вёдут путем нёоднократного напуска водорода в печь и откачки его njTeM напуска водорода на проток. Пр этом происходит удаление из печного пространства паров воды, выдел ющихс из 1 щихты и образуюишхс в результате реакции - водорода с кислородом печного пространства и окислами металлов.The washing of the crushing vessel is carried out by repeatedly pumping hydrogen into the furnace and pumping out its njTeM to let in hydrogen to the duct. At the same time, water vapor is removed from the furnace space, evolving from one gas and forming it as a result of the reaction — hydrogen with oxygen from the furnace space and metal oxides.
Протоком водорода удал етс в свою, очередь из печного пространства мелкодисперсные частицы, способные образовывать окрашенные и кристаллические включени .The hydrogen stream is removed, in turn, from the furnace space of fine particles capable of forming colored and crystalline inclusions.
Предмет изобретени Subject invention
Способ получени оптического кварцевого стекла, включаюший вакуум-термическое обезгаживание кремнезема и его плавление в электрических печах в атмосфере водорода , Отличающийс тем, что, с целью уменьшени в стекле ИК-полосы поглощени при 27ОО нм и исключен ни окрашенных и кристаллических включений , кремнезем промывают водородом после вакуум-термического обезгаживани , а плавление осуществл ют после промывки.A method of producing optical quartz glass, including vacuum thermal degassing of silica and its melting in electric furnaces in a hydrogen atmosphere, characterized in that, in order to reduce the infrared absorption band at glass at 27OO nm, and to eliminate colored and crystalline inclusions, the silica is washed with hydrogen after vacuum thermal degassing, and melting is performed after washing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU1796910A SU481554A1 (en) | 1972-06-14 | 1972-06-14 | Method for producing optical quartz glass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU1796910A SU481554A1 (en) | 1972-06-14 | 1972-06-14 | Method for producing optical quartz glass |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU481554A1 true SU481554A1 (en) | 1975-08-25 |
Family
ID=20517918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU1796910A SU481554A1 (en) | 1972-06-14 | 1972-06-14 | Method for producing optical quartz glass |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU481554A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6297058B1 (en) * | 1999-01-14 | 2001-10-02 | Agere Systems Optoelectronics Guardian Corp. | Process for determining impurities in refractory materials |
-
1972
- 1972-06-14 SU SU1796910A patent/SU481554A1/en active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6297058B1 (en) * | 1999-01-14 | 2001-10-02 | Agere Systems Optoelectronics Guardian Corp. | Process for determining impurities in refractory materials |
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