JPS5888129A - Production of quartz vessel - Google Patents
Production of quartz vesselInfo
- Publication number
- JPS5888129A JPS5888129A JP18447781A JP18447781A JPS5888129A JP S5888129 A JPS5888129 A JP S5888129A JP 18447781 A JP18447781 A JP 18447781A JP 18447781 A JP18447781 A JP 18447781A JP S5888129 A JPS5888129 A JP S5888129A
- Authority
- JP
- Japan
- Prior art keywords
- core
- quartz glass
- furnace
- melting furnace
- rotary melting
- 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.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B19/00—Other methods of shaping glass
- C03B19/09—Other methods of shaping glass by fusing powdered glass in a shaping mould
- C03B19/095—Other methods of shaping glass by fusing powdered glass in a shaping mould by centrifuging, e.g. arc discharge in rotating mould
Abstract
Description
【発明の詳細な説明】
本発明は石英ガラス容器類の製造方法に閤するものであ
る。DETAILED DESCRIPTION OF THE INVENTION The present invention is directed to a method of manufacturing quartz glass containers.
従来、角型石英ガラス容器を製造するには、第１図（Ａ
）に示すように、水晶、珪砂、珪石などを原料として−
Ｈ石英ガラス元管１を作り、この元管１の一端１ａを封
じ、第１図（Ｂ）に示すように他端１ｂから圧搾空気を
圧入して型２に嵌め込んで、第１図（Ｃ）に示すような
所定の形状にし、それを切断して第１図（Ｄ）に示す容
器３に成形していた。Conventionally, in order to manufacture a square quartz glass container, the steps shown in Fig. 1 (A
), using crystal, silica sand, silica stone, etc. as raw materials -
A H quartz glass main tube 1 is made, one end 1a of this main tube 1 is sealed, compressed air is forced into the other end 1b as shown in FIG. 1(B), and the mold 2 is fitted. It was formed into a predetermined shape as shown in C), cut, and formed into a container 3 as shown in FIG. 1(D).
角型石英ガラス容器を製造する場合、石英ガラスの粘性
が高いことから、第２図に示すように容器３の角の部分
３ａの肉厚が他の部分より薄くなって、歪みが残ったり
、熱的、機械的強度が低下する問題があった。When manufacturing a rectangular quartz glass container, since the viscosity of quartz glass is high, the wall thickness of the corner portion 3a of the container 3 is thinner than other portions, as shown in FIG. 2, and distortion remains. There was a problem that thermal and mechanical strength decreased.
この発明の目的は肉厚が均一で且つひずみが生じず、熱
的、機械的強度不足とならない角型石英ガラス容器類を
製造できる方法を提供することにある。An object of the present invention is to provide a method for manufacturing rectangular quartz glass containers that have uniform wall thickness, are free from distortion, and do not lack thermal or mechanical strength.
本発明の他の目的は、角型石英ガラス容器類を安価に提
供できるようにすることにある。Another object of the present invention is to provide square quartz glass containers at low cost.
本発明による方法は、例えば実用新案登録第９７１２６
４号や、特開昭５４−２００１４号明細書に示されてい
るような上部よりのアーク炎又はガス炎を熱源とする回
転溶融炉に適用する。回転溶融炉の中心部に上方に引き
抜き可能に中子を配置する。The method according to the present invention is applicable, for example, to Utility Model Registration No. 97126.
The present invention is applied to a rotary melting furnace that uses an arc flame or a gas flame from the top as a heat source, such as those shown in No. 4 and Japanese Patent Application Laid-Open No. 54-20014. A core is placed in the center of the rotary melting furnace so that it can be pulled out upwards.
特に断面が角型の中子の場合、中子の外形を瞬時に小さ
くして引き抜けるようにするのが好ましい。回転溶融炉
の下部および該中子と炉壁との間隙部に石英ガラス原料
粉末を充填し、炉を回転させながら、この中子を前述の
ように瞬間的に引き抜き、しかるのち石英ガラス原料粉
末をアーク炎又はガス炎により加熱・溶融し、角型石英
ガラス容器類を製造する。Particularly in the case of a core with a square cross section, it is preferable to instantly reduce the outer diameter of the core so that it can be pulled out. The lower part of the rotary melting furnace and the gap between the core and the furnace wall are filled with quartz glass raw material powder, and while the furnace is rotated, this core is momentarily pulled out as described above, and then the quartz glass raw material powder is is heated and melted using an arc flame or gas flame to produce square quartz glass containers.
以下、第３〜６図を参照して、本発明の一つの実施例を
説明する。Hereinafter, one embodiment of the present invention will be described with reference to FIGS. 3 to 6.
第３．４図に示すように、回転溶融炉１０の中心部に中
子１１を上方に引き抜き可能に配置する。As shown in FIG. 3.4, the core 11 is placed in the center of the rotary melting furnace 10 so that it can be pulled out upward.
回転溶融炉１０の下部１０と中子１１との間、及び回転
溶融炉１０の炉壁１３と中子１１との間に連続して存在
する間隙に石英ガラス原料粉末１４を充填する。A gap continuously existing between the lower part 10 of the rotary melting furnace 10 and the core 11 and between the furnace wall 13 of the rotary melting furnace 10 and the core 11 is filled with silica glass raw material powder 14.
次に、第５．６図に示すように、回転溶融炉１０を回転
させながら中子１１を瞬時に縮小して、上方に引き扱く
。しかるのち、そのようにして成形された石英ガラス原
料粉末を炉上部のアーク炎又ガス炎（図示せず）により
加熱する。Next, as shown in FIG. 5.6, while rotating the rotary melting furnace 10, the core 11 is instantly shrunk and handled upward. Thereafter, the quartz glass raw material powder thus formed is heated by an arc flame or gas flame (not shown) in the upper part of the furnace.
回転溶融炉１０は回転軸１５を中心として所定方向に回
転可能となっており、炉体１６及び耐火材１７により断
面矩形の箱状に構成されている。The rotary melting furnace 10 is rotatable in a predetermined direction about a rotating shaft 15, and is formed into a box shape with a rectangular cross section by a furnace body 16 and a refractory material 17.
中子１１は瞬間的に縮小できる構造になっている。中子
１１の回転軸−１８は、回転溶融炉１０側の回転軸１５
と同軸上に存在し、同期回転ができるようになっており
、しかも必要に応じて上方に引き上げることができるよ
うになっている。The core 11 has a structure that can be instantly reduced. The rotating shaft 18 of the core 11 is connected to the rotating shaft 15 on the rotary melting furnace 10 side.
It exists on the same axis as the robot, allowing for synchronous rotation, and can be pulled upwards as needed.
例えば、回転軸１８上に一対のブツシュ１９．２０が震
動自在に配置してあり、それらのブツシュ１９．２０と
、頂部の支持部２１とにそれぞれリンク２２が枢支され
ている。これらのリンク２２の外側には厚手の布２３が
張りつけである。そして、上方のブツシュ１９を移動さ
せることにより、第３．４図の拡張状態と第５．６図の
縮小状態に瞬間的に変形できるようになっている。For example, a pair of bushings 19.20 are vibably arranged on the rotating shaft 18, and a link 22 is pivotally supported on the bushings 19.20 and a support portion 21 at the top. A thick cloth 23 is pasted on the outside of these links 22. By moving the upper bushing 19, it can be instantly transformed into the expanded state shown in FIG. 3.4 and the contracted state shown in FIG. 5.6.
第３〜６図に示す例の作用を説明すると、角型の中子１
１を類１０内にセットして後、石英ガラス原料粉末１４
を類１０内に充填し、炉１０と中子１１を同軸上で回転
させ、成形可能な回転数に達した後、ブツシュ１９を上
方に移動させて中子１１を瞬間的に縮小してから引き抜
き、その後、上方からアーク炎又はガス炎（図示せず）
で石英ガラス原料粉末１４を溶融する。To explain the operation of the example shown in Figs. 3 to 6, the square core 1
After setting 1 in class 10, quartz glass raw material powder 14
The furnace 10 and the core 11 are rotated on the same axis, and after reaching a rotation speed that allows molding, the bushing 19 is moved upward to momentarily shrink the core 11. Pull out, then arc flame or gas flame (not shown) from above
The quartz glass raw material powder 14 is melted.
中子１１の引き抜き時の回転数は製造する角型石英ガラ
ス容器の大きさ、原料の粒度によって異なる。例えば回
転数が高いと遠心力により成形体が角型形状を保てず丸
くなるし、低いと成形体が崩れるので、留意する必要が
ある。The number of rotations when the core 11 is pulled out varies depending on the size of the rectangular quartz glass container to be manufactured and the particle size of the raw material. For example, if the rotation speed is high, the molded product will not be able to maintain its square shape due to centrifugal force and will become round, and if it is low, the molded product will collapse, so care must be taken.
なお、中子１１は図示例のごときリンク型式でなく、流
体圧式のものも採用できる。Note that the core 11 is not of the link type as shown in the illustrated example, but may also be of a fluid pressure type.
本発明によって製造される角型６美ガラス容器は従来と
比較して製造工程が少なくなるとともに、短くなり、大
幅なコストダウンが可能となった。The square-shaped 6-beautiful glass container manufactured according to the present invention requires fewer and shorter manufacturing steps than the conventional one, making it possible to significantly reduce costs.
又、本発明の製造方法により、角型石英ガラス容器は肉
厚が均一で、歪みがほとんど残らず、熱的、機械的強度
が低下しない。Further, by the manufacturing method of the present invention, the square quartz glass container has a uniform wall thickness, almost no distortion remains, and the thermal and mechanical strength does not decrease.
第３〜６図に示す装置を使用して３０〜６０番の水晶粉
を充填し、装置を１１０ｒｐｍで回転させ、中子１１を
上方に引き抜いた模、アーク電極によるアーク炎を上方
から吹きつけることによって水晶粉を溶融し、外形の寸
法が３００１１Ｘ １２０ｗｎ、肉厚１２１１の角型石
英ガラス容器を製造した。Using the device shown in Figures 3 to 6, fill it with crystal powder of sizes 30 to 60, rotate the device at 110 rpm, and blow arc flame from an arc electrode from above to simulate pulling out the core 11 upwards. In this way, the crystal powder was melted to produce a rectangular quartz glass container with external dimensions of 30011 x 120 wn and wall thickness of 1211 mm.
この角型石英ガラス容器を１０７０℃で螢光塗料の焼成
用に使用したところ、従来は熱衝撃によるクラックの発
生で２０〜３０回の耐用回数であったが、本発明方法に
よるものでは３０〜６０回使用できるようになった。When this square quartz glass container was used for firing fluorescent paint at 1,070°C, it could last for 20 to 30 times due to cracks caused by thermal shock, but in the case of the method of the present invention, it could last for 30 to 30 times. Can now be used 60 times.
第１図（Ａ）〜（Ｄ）は従来の角型石英ガラス容器の製
造工程を示す説明図、第２図は従来法により製造された
角型石英ガラス容器の一例を示す縦断面図、第３〜６図
は本発明方法を実施するための装置を示す概略断面図で
、第３．４図は中子が拡大した状態を示し、第５．６図
は中子が縮小した状態を示す。
１・・・・・・・・・・・・・・・石英ガラス元管２・
・・・・・・・・・・・・・・型
３・・・・・・・・・・・・・・・容器１０・・・・・
・・・・・・・回転溶融炉１１・・・・・・・・・・・
・中子
１５・・・・・・・・・・・・回転軸
１８・・・・・・・・・・・・回転軸
第１図
（Ａ） （Ｂ） （Ｃ） ＣＤ）
第２図
第３図
１
第＝
Ｆ３［［Figures 1 (A) to (D) are explanatory diagrams showing the manufacturing process of a conventional square quartz glass container; Figure 2 is a vertical cross-sectional view showing an example of a square quartz glass container manufactured by the conventional method; Figures 3 to 6 are schematic sectional views showing an apparatus for carrying out the method of the present invention, with Figure 3.4 showing the core in an enlarged state and Figure 5.6 showing the core in a reduced state. . 1・・・・・・・・・・・・・・・Quartz glass main tube 2・
・・・・・・・・・・・・・・・Mold 3・・・・・・・・・・・・・・・Container 10・・・・・・
・・・・・・Rotary melting furnace 11・・・・・・・・・・・・
- Core 15...Rotating shaft 18...Rotating shaft Fig. 1 (A) (B) (C) CD)
Figure 2 Figure 3 Figure 1 No. = F3 [[
Claims (2)
溶融炉において、回転溶融炉の中心部に上方に引き抜き
可能に中子を配置し、回転溶融炉の下部および該中子と
炉壁との間隙に石英ガラス原料粉末を充填し、回転溶融
炉を回転させながら該中子を上方に引き抜き、しかるの
ち石英ガラス原料粉末をアーク炎又はガス炎により加熱
することを特徴とする石英ガラス容器類の製造方法。(1) In a rotary melting furnace that uses an arc flame or gas flame as a heat source from the upper part, a core is arranged in the center of the rotary melting furnace so that it can be pulled out upward, and the core and the furnace wall are placed in the lower part of the rotary melting furnace and the core and the furnace wall. A quartz glass container characterized in that a quartz glass raw material powder is filled into the gap between the core and the core, and the core is pulled upward while rotating a rotary melting furnace, and then the quartz glass raw material powder is heated with an arc flame or a gas flame. manufacturing method.
１項に記載の石英ガラス容器類の製造方法。 （３〉前記中子の外形を瞬時に縮小して前記中子を引き
抜く特許請求の範囲第１項又は第２項に記載の石英ガラ
ス容器類の製造方法。(2) The method for manufacturing quartz glass containers according to claim 1, wherein the core has a rectangular horizontal cross section. (3) The method for manufacturing quartz glass containers according to claim 1 or 2, wherein the outer shape of the core is instantly reduced and the core is pulled out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18447781A JPS5888129A (en) | 1981-11-19 | 1981-11-19 | Production of quartz vessel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18447781A JPS5888129A (en) | 1981-11-19 | 1981-11-19 | Production of quartz vessel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5888129A true JPS5888129A (en) | 1983-05-26 |
| JPH0127980B2 JPH0127980B2 (en) | 1989-05-31 |
Family
ID=16153847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18447781A Granted JPS5888129A (en) | 1981-11-19 | 1981-11-19 | Production of quartz vessel |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5888129A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0784328B2 (en) * | 1984-11-05 | 1995-09-13 | 三菱マテリアル株式会社 | Method for improving the quality of glassy silica containers or pipes |
| WO2011067275A1 (en) * | 2009-12-04 | 2011-06-09 | Heraeus Quarzglas Gmbh & Co. Kg | Method for producing a crucible from silica glass |
| WO2012013887A1 (en) | 2010-07-27 | 2012-02-02 | Saint-Gobain Quartz S.A.S | Vitreous silica crucible having a polygonal opening, and method for manufacturing same |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7349953B2 (en) | 2020-04-10 | 2023-09-25 | 株式会社丸山製作所 | Work equipment tank attachment/detachment mechanism |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5420014A (en) * | 1977-07-18 | 1979-02-15 | Denki Kagaku Kogyo Kk | Method of making molten silicate base container |
-
1981
- 1981-11-19 JP JP18447781A patent/JPS5888129A/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5420014A (en) * | 1977-07-18 | 1979-02-15 | Denki Kagaku Kogyo Kk | Method of making molten silicate base container |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0784328B2 (en) * | 1984-11-05 | 1995-09-13 | 三菱マテリアル株式会社 | Method for improving the quality of glassy silica containers or pipes |
| WO2011067275A1 (en) * | 2009-12-04 | 2011-06-09 | Heraeus Quarzglas Gmbh & Co. Kg | Method for producing a crucible from silica glass |
| DE102009056751A1 (en) * | 2009-12-04 | 2011-06-09 | Heraeus Quarzglas Gmbh & Co. Kg | Method of making a quartz glass crucible |
| DE102009056751B4 (en) * | 2009-12-04 | 2011-09-01 | Heraeus Quarzglas Gmbh & Co. Kg | Method of making a quartz glass crucible |
| CN102648165A (en) * | 2009-12-04 | 2012-08-22 | 赫罗伊斯石英玻璃股份有限两合公司 | Method for producing a crucible from silica glass |
| CN102648165B (en) * | 2009-12-04 | 2014-12-17 | 赫罗伊斯石英玻璃股份有限两合公司 | Method for producing a crucible from silica glass |
| WO2012013887A1 (en) | 2010-07-27 | 2012-02-02 | Saint-Gobain Quartz S.A.S | Vitreous silica crucible having a polygonal opening, and method for manufacturing same |
| FR2963341A1 (en) * | 2010-07-27 | 2012-02-03 | Saint Gobain Quartz Sas | POLYGONAL OPENING CUP |
| JP2013535394A (en) * | 2010-07-27 | 2013-09-12 | サン−ゴバン クワルツ エス．ア．エス． | Quartz glass crucible having polygonal opening and method for producing the same |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0127980B2 (en) | 1989-05-31 |
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