JPH03252331A - Through-vision glass for liquid level - Google Patents
Through-vision glass for liquid levelInfo
- Publication number
- JPH03252331A JPH03252331A JP4887390A JP4887390A JPH03252331A JP H03252331 A JPH03252331 A JP H03252331A JP 4887390 A JP4887390 A JP 4887390A JP 4887390 A JP4887390 A JP 4887390A JP H03252331 A JPH03252331 A JP H03252331A
- Authority
- JP
- Japan
- Prior art keywords
- glass
- corrosion
- resistant
- liquid level
- powder
- 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
- 239000011521 glass Substances 0.000 title claims abstract description 76
- 239000007788 liquid Substances 0.000 title claims abstract description 23
- 238000005260 corrosion Methods 0.000 claims abstract description 35
- 230000007797 corrosion Effects 0.000 claims abstract description 35
- 239000000843 powder Substances 0.000 claims abstract description 20
- 238000010438 heat treatment Methods 0.000 claims abstract description 8
- 238000002844 melting Methods 0.000 claims abstract description 5
- 230000008018 melting Effects 0.000 claims abstract description 5
- 238000002156 mixing Methods 0.000 claims abstract description 5
- 238000000151 deposition Methods 0.000 claims 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract description 18
- 239000000377 silicon dioxide Substances 0.000 abstract description 9
- 229910052681 coesite Inorganic materials 0.000 abstract description 8
- 229910052906 cristobalite Inorganic materials 0.000 abstract description 8
- 229910052682 stishovite Inorganic materials 0.000 abstract description 8
- 229910052905 tridymite Inorganic materials 0.000 abstract description 8
- 235000012239 silicon dioxide Nutrition 0.000 abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 7
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract description 3
- 239000002994 raw material Substances 0.000 abstract description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 2
- 229910052593 corundum Inorganic materials 0.000 abstract description 2
- 229910002804 graphite Inorganic materials 0.000 abstract description 2
- 239000010439 graphite Substances 0.000 abstract description 2
- 229910001845 yogo sapphire Inorganic materials 0.000 abstract description 2
- 239000000203 mixture Substances 0.000 abstract 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000005357 flat glass Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- SIWVEOZUMHYXCS-UHFFFAOYSA-N oxo(oxoyttriooxy)yttrium Chemical compound O=[Y]O[Y]=O SIWVEOZUMHYXCS-UHFFFAOYSA-N 0.000 description 1
- WHOPEPSOPUIRQQ-UHFFFAOYSA-N oxoaluminum Chemical compound O1[Al]O[Al]1 WHOPEPSOPUIRQQ-UHFFFAOYSA-N 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000005368 silicate glass Substances 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Surface Treatment Of Glass (AREA)
- Glass Compositions (AREA)
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野コ
この発明は液面透視ガラスに係り、さらに詳しくは普通
の安価なガラス表面に耐食性ガラスをコーティングする
ことで熱水やアルカリ性の液で侵食し辛い液面計などに
て好適な液面透視用ガラスに関する。[Detailed Description of the Invention] [Industrial Field of Application] This invention relates to liquid level transparent glass, and more specifically, by coating the surface of ordinary inexpensive glass with corrosion-resistant glass, it is possible to prevent corrosion by hot water or alkaline liquid. This invention relates to a liquid level viewing glass suitable for liquid level gauges, etc.
［従来の技術］
一般に、金属の耐食性、非粘着性を向上させるために、
金属板表面にガラス質をコーティングすることつまりホ
ーロー引きが行なわれている。[Prior Art] Generally, in order to improve the corrosion resistance and non-adhesion of metals,
The surface of a metal plate is coated with glass, or enameled.
しかし、ガラス本体にこのガラスの透明性を保持しなが
ら耐食性を向上させるために高耐食ガラスをコーティン
グすることは行なわれておらず、従来では専らガラス本
体の耐食性向上に努力がなされてきた。However, coating a glass body with highly corrosion-resistant glass in order to improve corrosion resistance while maintaining the transparency of the glass has not been done, and conventional efforts have been made solely to improve the corrosion resistance of the glass body.
［発明が解決しようとする課題］
その結果、最近になりＹ ２０３ 、Ａ Ｊ ２０３．
ＳｉＯ２の三成分またはこれにＮａ２０１Ｚｒ０２等を
含んだ、高耐食性ガラスも出現するに至った。[Problem to be solved by the invention] As a result, recently Y 203, A J 203.
Highly corrosion-resistant glasses containing three components of SiO2 or SiO2 and Na201Zr02 have also appeared.
ところが、Ｙ２Ｏ３を含むガラスはＹ２０３のガラス原
料の価格は他の高い原料例えばＺｒＯ２に比べても数段
高く、現時点では経済的な価格で製造できないという問
題点がある。However, the glass containing Y2O3 has the problem that the price of glass raw material Y203 is much higher than other expensive raw materials such as ZrO2, and it cannot be manufactured at an economical price at present.
この発明は前記した各問題点を除去するために、安価な
ガラスの透明性を維持しながら、このガラスの耐食性を
向上させるためＹ２Ｏ３を含む耐食性ガラスを製造し、
これを粉末状となし、安価なガラス本体上に、加熱加圧
して被着することで経済的で耐食性のよいガラスを得る
ことを目的とする。In order to eliminate the above-mentioned problems, this invention manufactures a corrosion-resistant glass containing Y2O3 in order to improve the corrosion resistance of the glass while maintaining the transparency of the inexpensive glass.
The purpose is to form this into a powder and apply it on an inexpensive glass body under heat and pressure to obtain an economical glass with good corrosion resistance.
る。Ru.
［作 用］
耐食性ガラスの粉体を透明ガラス板の表面に散在させて
上記ガラス板が溶融しない温度で加熱加圧することで前
記ガラス板面上に耐食性ガラス層を被着形成することが
できる。[Function] A corrosion-resistant glass layer can be formed on the surface of the glass plate by scattering corrosion-resistant glass powder on the surface of the transparent glass plate and heating and pressurizing the glass plate at a temperature that does not melt the glass plate.
そして上記耐食性ガラス層を熱水またはアルカリ性液に
接面して配置することで、耐食性の液面透視ガラスとし
て使用できる。By arranging the above-mentioned corrosion-resistant glass layer in contact with hot water or alkaline liquid, it can be used as a corrosion-resistant liquid surface viewing glass.
［課題を解決するための手段］
上記したこの発明の目的は、透明なガラス板の表面に重
量％でｙ２ ｏ３が約３０〜４５％、Ａｌ２Ｏ２が約１
５〜３０％、ＳｉＯ２が約４０％程度の混合比で混合し
た粉体を加熱溶融して作った耐食性ガラスの粉体をまん
辺なく散在させてこの粉体を９５０℃以下の温度で加熱
加圧することで、前記ガラス板の表面に透明な耐食性ガ
ラス層を被着形成することで達成され［実施例］
実施例について図面を参照して説明する。[Means for Solving the Problems] The above-mentioned object of the present invention is to coat the surface of a transparent glass plate with about 30 to 45% of y2O3 and about 1% of Al2O2 by weight.
Corrosion-resistant glass powder made by heating and melting powder mixed at a mixing ratio of about 5 to 30% SiO2 and about 40% SiO2 is scattered evenly, and this powder is heated at a temperature of 950°C or less. This is achieved by applying pressure to form a transparent corrosion-resistant glass layer on the surface of the glass plate [Example] An example will be described with reference to the drawings.
先ずこの発明の基本は第１図に示すように板状で、軟化
点が例えば９５０℃以上のアルミナ硅酸塩系のガラスな
どの高融点ガラス板１の表面にＹ２Ｏ３の粉末を３０グ
ラム、Ａｌ２Ｏ３の粉末を３０グラム、ＳｉＯ２の粉末
を４０グラムを混合して得た粉体を加熱溶融して得た耐
食性ガラスを破砕して摺り潰した粉体２を第２図に示す
ように平均厚さ１閣程度でまん辺なく散在させる。First, the basics of this invention are as shown in FIG. 1, in which 30 grams of Y2O3 powder and Al2O3 powder are applied to the surface of a high melting point glass plate 1, such as alumina-silicate glass with a softening point of 950°C or higher. Powder 2 obtained by crushing and grinding corrosion-resistant glass obtained by heating and melting the powder obtained by mixing 30 grams of SiO2 powder and 40 grams of SiO2 powder has an average thickness as shown in Figure 2. Spread them evenly around one temple.
次いで上記第２図に示す状態のものを高温炉内にそ−っ
と入れて約り３０℃〜９４０℃程度の温度で加熱しなが
ら上記温度程度加熱したグラファイト板などの加熱加圧
体（図示せず）で加熱加圧することで、ガラス板１の形
状を損なうことなくこのガラス板ｌ上に厚さ０．２０程
度の耐食性ガラス層３を第３図に示すように被着形成す
ることができ、この発明による液面透視ガラス４を得る
ことができる。Next, the object in the state shown in Fig. 2 above was gently placed in a high-temperature furnace and heated at a temperature of approximately 30°C to 940°C, while heating and pressurizing a graphite plate or other heated material to the above temperature (Fig. By heating and pressurizing the glass plate (not shown), a corrosion-resistant glass layer 3 having a thickness of about 0.20 mm can be deposited on the glass plate 1 without damaging the shape of the glass plate 1, as shown in FIG. Thus, the liquid level viewing glass 4 according to the present invention can be obtained.
ただし粉体２による耐食性ガラス層３の線膨張係数は３
０〜７０Ｘ２Ｏ−７／℃程度であるからガラス板ｌも上
記係数と同様なものを用いる。However, the linear expansion coefficient of the corrosion-resistant glass layer 3 due to the powder 2 is 3
Since the coefficient is about 0 to 70×2O−7/° C., the same coefficient as above is used for the glass plate 1.
次に上記のようにして作ったこの発明による液面透視用
ガラス４の耐食性データ表を以下に示す。Next, a corrosion resistance data table of the liquid level viewing glass 4 according to the present invention prepared as described above is shown below.
なお使用条件として熱水温度３００℃、圧力が８，６１
メガパスカルのオートクレーブ（高温高圧試験機）の覗
窓用ガラスとして使用。The operating conditions are a hot water temperature of 300℃ and a pressure of 8.61℃.
Used as viewing window glass for megapascal autoclaves (high temperature and high pressure testing machines).
したがって耐食ガラス層３の厚さは０． １ｍｍ以下で
も充分に熱水の液面を覗くためのガラス窓用液面透視用
ガラスとして立派に使用できることが確認できた。Therefore, the thickness of the corrosion-resistant glass layer 3 is 0. It was confirmed that even if the thickness is less than 1 mm, it can be used satisfactorily as liquid level viewing glass for glass windows to sufficiently see the liquid level of hot water.
なおＹ２Ｏ３は酸化イツトリウム（イツトリア）、Ａｌ
２Ｏ２は酸化アルミニウム（アルミナ） 、Ｓ ２Ｏ２
は酸化硅素（シリカ）としてそれぞれ知られている。Note that Y2O3 is yttrium oxide (yttrium), Al
2O2 is aluminum oxide (alumina), S 2O2
are respectively known as silicon oxide (silica).
［発明の効果］
この発明は以上説明したように構成されているので、以
下に記載する効果を奏する。[Effects of the Invention] Since the present invention is configured as described above, it produces the effects described below.
この発明の液面透視ガラスは耐食性ガラスの粉体を透明
なガラス板の表面に散在させて上記ガラス板が溶融しな
い温度で加熱加圧することで、ガラス板面上に耐食性ガ
ラス層を被着形成して作ることができるので、熱水やア
ルカリ性液に充分耐える耐食性ガラス層をボイラなどに
おける熱水に接面させて使用することで、耐食性に富む
液面計用液面透視ガラスとして使用することができ、前
記従来技術よりも安い費用で耐食性の液面透視ガラスを
多量提供することができる等の効果を有する。The liquid surface viewing glass of the present invention forms a corrosion-resistant glass layer on the surface of the glass plate by scattering corrosion-resistant glass powder on the surface of a transparent glass plate and heating and pressurizing the glass plate at a temperature that does not melt the glass plate. Therefore, by using a corrosion-resistant glass layer that can withstand hot water and alkaline liquid in contact with hot water in boilers, etc., it can be used as a highly corrosion-resistant liquid level see-through glass for liquid level gauges. This method has the advantage of being able to provide a large amount of corrosion-resistant liquid level viewing glass at a lower cost than the prior art.
ス板の表面に耐食性ガラス粉体を散在させた状態の断面
図、第３図はこの発明による液面透視ガラスの１例を示
す断面図である。FIG. 3 is a sectional view showing an example of the liquid level see-through glass according to the present invention.
１・・・ガラス板 ２・・・耐食性ガラス粉体 ３・・・耐食性ガラス層 ４・・・液面透視ガラス1...Glass plate 2...Corrosion-resistant glass powder 3...Corrosion-resistant glass layer 4...Liquid level transparent glass
Claims (1)
０〜４５％、Ａｌ＿２Ｏ＿３が約１５〜３０％、ＳｉＯ
＿２が約４０％程度の混合比で混合した粉体を加熱溶融
して作った耐食性ガラスの粉体２をまん辺なく散在させ
てこの粉体２を加熱加圧することで、前記ガラス板１の
表面に透明な耐食性ガラス層３を被着形成してなる液面
透視ガラス。Y_2O_3 is about 3% by weight on the surface of the transparent glass plate 1.
0-45%, Al_2O_3 about 15-30%, SiO
Corrosion-resistant glass powder 2 made by heating and melting powder mixed with _2 at a mixing ratio of about 40% is evenly scattered and this powder 2 is heated and pressurized to form the glass plate 1. A liquid level transparent glass formed by depositing a transparent corrosion-resistant glass layer 3 on the surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4887390A JPH03252331A (en) | 1990-02-28 | 1990-02-28 | Through-vision glass for liquid level |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4887390A JPH03252331A (en) | 1990-02-28 | 1990-02-28 | Through-vision glass for liquid level |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03252331A true JPH03252331A (en) | 1991-11-11 |
Family
ID=12815410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4887390A Pending JPH03252331A (en) | 1990-02-28 | 1990-02-28 | Through-vision glass for liquid level |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03252331A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1090888A1 (en) | 1999-10-08 | 2001-04-11 | Kabushiki Kaisha Ohara | Transparent glass and a method for manufacturing the same |
| JP2009517201A (en) * | 2005-11-29 | 2009-04-30 | ネーデルラントセ オルハニサティー フォール トゥーヘパスト−ナトゥールウェッテンサッペリーク オンデルズック テーエヌオー | Dispersion head for spraying powder pattern on transparent plate and method for making relief glass substrate with durable coloring pattern |
| WO2012110244A1 (en) * | 2011-02-18 | 2012-08-23 | Schott Ag | Feed-through |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50158608A (en) * | 1974-06-13 | 1975-12-22 | ||
| JPS57170841A (en) * | 1981-04-15 | 1982-10-21 | Matsushita Electric Works Ltd | Manufacture of film stuck glass product |
| JPS593046A (en) * | 1982-06-30 | 1984-01-09 | Matsushita Electric Works Ltd | Manufacture of tempered glass product |
| JPS6238298A (en) * | 1985-08-12 | 1987-02-19 | Yaskawa Electric Mfg Co Ltd | Apparatus for controlling treatment of sewage |
-
1990
- 1990-02-28 JP JP4887390A patent/JPH03252331A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50158608A (en) * | 1974-06-13 | 1975-12-22 | ||
| JPS57170841A (en) * | 1981-04-15 | 1982-10-21 | Matsushita Electric Works Ltd | Manufacture of film stuck glass product |
| JPS593046A (en) * | 1982-06-30 | 1984-01-09 | Matsushita Electric Works Ltd | Manufacture of tempered glass product |
| JPS6238298A (en) * | 1985-08-12 | 1987-02-19 | Yaskawa Electric Mfg Co Ltd | Apparatus for controlling treatment of sewage |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1090888A1 (en) | 1999-10-08 | 2001-04-11 | Kabushiki Kaisha Ohara | Transparent glass and a method for manufacturing the same |
| JP2009517201A (en) * | 2005-11-29 | 2009-04-30 | ネーデルラントセ オルハニサティー フォール トゥーヘパスト−ナトゥールウェッテンサッペリーク オンデルズック テーエヌオー | Dispersion head for spraying powder pattern on transparent plate and method for making relief glass substrate with durable coloring pattern |
| WO2012110244A1 (en) * | 2011-02-18 | 2012-08-23 | Schott Ag | Feed-through |
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