JPH0248422A - Stirring rod for glass industry - Google Patents
Stirring rod for glass industryInfo
- Publication number
- JPH0248422A JPH0248422A JP19846588A JP19846588A JPH0248422A JP H0248422 A JPH0248422 A JP H0248422A JP 19846588 A JP19846588 A JP 19846588A JP 19846588 A JP19846588 A JP 19846588A JP H0248422 A JPH0248422 A JP H0248422A
- Authority
- JP
- Japan
- Prior art keywords
- stirring rod
- glass
- platinum
- support
- blade
- 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
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B5/00—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
- C03B5/16—Special features of the melting process; Auxiliary means specially adapted for glass-melting furnaces
- C03B5/18—Stirring devices; Homogenisation
- C03B5/187—Stirring devices; Homogenisation with moving elements
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
Description
【発明の詳細な説明】 （産業上の利用分野） 本発明は、ガラス窯業用撹拌棒の改良に関する。[Detailed description of the invention] (Industrial application field) The present invention relates to improvements in stirring rods for use in the glass ceramic industry.
（従来の技術）
従来、ガラス溶解時、約１２００℃の高温ガラスを撹拌
する為に、耐火物その他の耐熱性材料より成る芯材を白
金又は白金合金で被い、その上に白金又は白金合金から
成る例えば螺旋状の翼を取付けた撹拌棒を使用していた
。(Prior art) Conventionally, in order to stir glass at a high temperature of approximately 1200°C during glass melting, a core material made of refractory or other heat-resistant material is covered with platinum or a platinum alloy, and platinum or a platinum alloy is placed on top of the core material made of refractory or other heat-resistant material. For example, a stirrer bar fitted with spiral blades was used.
（発明が解決しようとする課題）
ところで、高温溶解ガラスの熱影響により白金又は白金
合金が溶融ガラス中に溶出する為、溶解ガラスが汚染さ
れ、ガラスの特性、品質が劣化した。また白金又は白金
合金が溶損し、亀裂が生じて、短期間の内に使用不能と
なっていた。(Problems to be Solved by the Invention) By the way, platinum or a platinum alloy is eluted into the molten glass due to the thermal influence of the high-temperature molten glass, which contaminates the molten glass and deteriorates the properties and quality of the glass. In addition, the platinum or platinum alloy was eroded and cracked, making it unusable within a short period of time.
（発明の目的）
本発明は上記課題を解決すべくなされたもので、撹拌棒
の外表面の白金又は白金合金が溶出、溶損しないように
したガラス窯業用撹拌棒を提供することを目的とするも
のである。(Purpose of the Invention) The present invention was made to solve the above-mentioned problems, and its purpose is to provide a stirring rod for use in the glass ceramic industry that prevents platinum or platinum alloy on the outer surface of the stirring rod from being eluted or damaged. It is something to do.
（課題を解決するための手段）
上記課題を解決するための本発明のガラス窯業用撹拌棒
は、支柱と該支柱に取付けられた翼とより成り、それの
少なくともガラスと接触する外表面が白金又は白金合金
で形成されたガラス窯業用撹拌棒に於いて、該撹拌棒を
中空となし、その撹拌棒内に冷却用ガスを吹き込むよう
にしたことを特徴とするものである。(Means for Solving the Problems) A stirring rod for the glass ceramic industry of the present invention for solving the above problems is composed of a support and a blade attached to the support, and at least the outer surface of the rod that contacts the glass is made of platinum. Alternatively, a stirring rod for glass ceramics made of a platinum alloy is characterized in that the stirring rod is hollow and a cooling gas is blown into the stirring rod.
（作用）
本発明のガラス窯業用撹拌棒は上述の如く構成されてい
るので、ガラス溶解中撹拌棒内に空気又はＮ２ガス、Ａ
ｒガス等の不活性ガスを吹き込み、撹拌棒の白金又は白
金合金の外表面温度を下げることにより、撹拌時接触す
る溶融ガラスが薄膜状に固化するので、白金又は白金合
金の外表面が保護されて溶出、溶損が防止される。(Function) Since the stirring rod for the glass ceramic industry of the present invention is constructed as described above, air or N2 gas, A
By blowing inert gas such as R gas to lower the temperature of the outer surface of the platinum or platinum alloy of the stirring rod, the molten glass that comes into contact with it during stirring solidifies into a thin film, so the outer surface of the platinum or platinum alloy is protected. This prevents elution and erosion.
（実施例）
本発明のガラス窯業用撹拌棒の一実施例を図によって説
明すると、１は支柱で、該支柱１の下部外周に螺旋状の
翼２が取付けられ、さらにその上側に垂直にコ字型の翼
３が対称に取付けられていて、これら支柱ｌ、螺旋状の
゛翼２、コ字型の翼３は白金又は白金合金、本例ではＰ
ｔ−ＲｈｌＯ％より成っている。このガラス窯業用撹拌
棒４の支柱１及びコ字型の翼３は中空になし、支柱１内
とコ字型の翼３内とは透孔５にて連通し、Ｐｔ−Ｒｈ１
０％より成る冷却用ガス吹込み管６の上端は冷却用ガス
、本例ではＮ２ガスの供給源く図示省略）に連通して、
前記支柱１内及びコ字型の翼３内にＮ２ガスを吹き込む
ようにしている。(Embodiment) An embodiment of the stirring rod for the glass ceramic industry of the present invention will be described with reference to the drawings. Reference numeral 1 denotes a column, and a spiral blade 2 is attached to the outer periphery of the lower part of the column 1, and a spiral blade 2 is attached vertically to the upper side of the column. A letter-shaped wing 3 is attached symmetrically, and these struts 1, the spiral wing 2, and the U-shaped wing 3 are made of platinum or a platinum alloy, in this example P.
It consists of t-RhlO%. The strut 1 and U-shaped blades 3 of this stirring rod 4 for the glass ceramics industry are not hollow, and the inside of the strut 1 and the U-shaped blade 3 are communicated through a through hole 5, and Pt-Rh1
The upper end of the cooling gas blowing pipe 6 made of 0% is connected to a supply source of cooling gas (in this example, N2 gas (not shown)).
N2 gas is blown into the support column 1 and the U-shaped blade 3.
このように構成された実施例のガラス窯業用撹拌棒４を
ガラス溶解るつぼ内にセットし、１２００℃での光学ガ
ラスの溶解に於いて、図示せぬＮ２ガスの供給源より支
柱１及びコ字型の翼３内にＮ２ガスを吹き込み、撹拌棒
４の外表面の温度を下げることにより、撹拌時外表面に
接触する溶融ガラスは薄膜状に固化するので、撹拌棒４
の外表面が保護されて、白金ロジウム合金の溶出、溶損
が防止される。The stirring rod 4 for the glass ceramic industry of the embodiment configured in this way is set in a glass melting crucible, and during melting of optical glass at 1200°C, the support 1 and the U-shaped By blowing N2 gas into the mold blades 3 and lowering the temperature of the outer surface of the stirring rod 4, the molten glass that comes into contact with the outer surface during stirring solidifies into a thin film.
The outer surface of the platinum-rhodium alloy is protected from elution and erosion.
（発明の効果）
以上の説明で判るように本発明のガラス窯業用撹拌棒は
、ガラス溶解の撹拌時、撹拌棒内に冷却用ガスを吹き込
み、白金又は白金合金の外表面温度を下げて、接触する
溶融ガラスを薄膜状に固化できるので、白金又は白金合
金が保護されて、溶出、溶損が防止される。従って撹拌
棒を長期間使用できて耐久性が向上し、寿命が増長する
。また溶融ガラス中に白金又は白金合金が溶出しないの
で、溶解ガラスが汚染されことが無く、ガラスの特性、
品質が保持される等の効果を奏する。(Effects of the Invention) As can be seen from the above description, the stirring rod for glass ceramics of the present invention blows cooling gas into the stirring rod during stirring of glass melting to lower the outer surface temperature of platinum or platinum alloy. Since the molten glass in contact can be solidified into a thin film, the platinum or platinum alloy is protected and prevented from elution and erosion. Therefore, the stirring bar can be used for a long period of time, improving its durability and extending its lifespan. In addition, since platinum or platinum alloys do not dissolve into the molten glass, the molten glass is not contaminated and the characteristics of the glass are
This has the effect of maintaining quality.
図は本発明のガラス窯業用撹拌棒の一実施例を示す縦断
面図である。The figure is a longitudinal sectional view showing one embodiment of the stirring rod for glass ceramic industry of the present invention.
Claims (1)
なくともガラスと接触する外表面が白金又は白金合金で
形成されたガラス窯業用撹拌棒に於いて、該撹拌棒を中
空になし、その撹拌棒内に冷却用ガスを吹き込むように
したことを特徴とするガラス窯業用撹拌棒。1. In a stirring rod for glass ceramics, which consists of a support and a blade attached to the support, at least the outer surface of which is in contact with the glass is made of platinum or a platinum alloy, the stirring rod is hollow; A stirring rod for glass ceramic industry, characterized in that cooling gas is blown into the stirring rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19846588A JPH0248422A (en) | 1988-08-09 | 1988-08-09 | Stirring rod for glass industry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19846588A JPH0248422A (en) | 1988-08-09 | 1988-08-09 | Stirring rod for glass industry |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0248422A true JPH0248422A (en) | 1990-02-19 |
Family
ID=16391560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19846588A Pending JPH0248422A (en) | 1988-08-09 | 1988-08-09 | Stirring rod for glass industry |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0248422A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62101408A (en) * | 1985-10-29 | 1987-05-11 | Osaka Pref Gov | Optical shaping |
| JPS63141724A (en) * | 1986-12-04 | 1988-06-14 | Fujitsu Ltd | Forming three dimensional shape |
| JPH0224121A (en) * | 1988-07-13 | 1990-01-26 | Mitsui Eng & Shipbuild Co Ltd | Optical shaping method |
| JPH0236926A (en) * | 1989-05-01 | 1990-02-06 | Uvp Inc | Method and device for preparing three-dimensional body |
| CN1092154C (en) * | 1994-11-15 | 2002-10-09 | 伊尔默瑙玻璃技术有限公司 | Molten glass stirrer |
| EP1127851A3 (en) * | 2000-02-28 | 2003-02-05 | Schott Glas | Process and apparatus for refining molten glass using oxygen |
| US6763684B2 (en) * | 2000-08-30 | 2004-07-20 | Pitbladdo Richard B | Glass homogenizing pump |
| CN103626395A (en) * | 2013-11-28 | 2014-03-12 | 中国建筑材料科学研究总院 | High-borosilicate glass, and preparation method and application thereof |
| CN108069578A (en) * | 2017-12-26 | 2018-05-25 | 中建材蚌埠玻璃工业设计研究院有限公司 | The stirring rod structure and production method of a kind of electronical display glass platinum channel |
-
1988
- 1988-08-09 JP JP19846588A patent/JPH0248422A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62101408A (en) * | 1985-10-29 | 1987-05-11 | Osaka Pref Gov | Optical shaping |
| JPS63141724A (en) * | 1986-12-04 | 1988-06-14 | Fujitsu Ltd | Forming three dimensional shape |
| JPH0224121A (en) * | 1988-07-13 | 1990-01-26 | Mitsui Eng & Shipbuild Co Ltd | Optical shaping method |
| JPH0236926A (en) * | 1989-05-01 | 1990-02-06 | Uvp Inc | Method and device for preparing three-dimensional body |
| CN1092154C (en) * | 1994-11-15 | 2002-10-09 | 伊尔默瑙玻璃技术有限公司 | Molten glass stirrer |
| EP1127851A3 (en) * | 2000-02-28 | 2003-02-05 | Schott Glas | Process and apparatus for refining molten glass using oxygen |
| US6769272B2 (en) | 2000-02-28 | 2004-08-03 | Schott Glas | Method and apparatus for oxygen refinement of a glass melt |
| US6763684B2 (en) * | 2000-08-30 | 2004-07-20 | Pitbladdo Richard B | Glass homogenizing pump |
| CN103626395A (en) * | 2013-11-28 | 2014-03-12 | 中国建筑材料科学研究总院 | High-borosilicate glass, and preparation method and application thereof |
| CN108069578A (en) * | 2017-12-26 | 2018-05-25 | 中建材蚌埠玻璃工业设计研究院有限公司 | The stirring rod structure and production method of a kind of electronical display glass platinum channel |
| CN108069578B (en) * | 2017-12-26 | 2023-12-19 | 中建材玻璃新材料研究院集团有限公司 | Stirring rod structure and production method of electronic display glass platinum channel |
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