WO2015156309A1 - ガラス溶解用スターラー及びガラス溶解炉 - Google Patents
ガラス溶解用スターラー及びガラス溶解炉 Download PDFInfo
- Publication number
- WO2015156309A1 WO2015156309A1 PCT/JP2015/060942 JP2015060942W WO2015156309A1 WO 2015156309 A1 WO2015156309 A1 WO 2015156309A1 JP 2015060942 W JP2015060942 W JP 2015060942W WO 2015156309 A1 WO2015156309 A1 WO 2015156309A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- cover
- platinum
- iridium
- pipe
- glass
- Prior art date
Links
Images
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
- C03B5/167—Means for preventing damage to equipment, e.g. by molten glass, hot gases, batches
-
- 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
- C03B5/167—Means for preventing damage to equipment, e.g. by molten glass, hot gases, batches
- C03B5/1672—Use of materials therefor
- C03B5/1675—Platinum group metals
-
- 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
- C03B5/182—Stirring devices; Homogenisation by moving the molten glass along fixed elements, e.g. deflectors, weirs, baffle plates
-
- 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
Definitions
- the present invention relates to a glass melting stirrer and a glass melting furnace including the same.
- the inside of the melting furnace for melting the glass is at a high temperature of 1400 to 1600 ° C. and an oxygen-containing gas atmosphere, for example.
- the material used for the glass melting stirrer is required to have high strength in a high temperature and oxygen-containing gas atmosphere and to have a long life.
- Platinum or iridium is known as a material that can be used at a high temperature of 1000 ° C. or higher. Platinum is extremely stable even in an oxygen-containing gas atmosphere of 1000 ° C. or higher, and has little oxidation volatilization.
- the grains tend to grow in a high temperature range exceeding 1500 ° C. and the strength is lowered.
- iridium has higher strength than platinum in a high temperature range of 1000 ° C. or higher.
- the oxidation volatilization amount of iridium is about 100 times that of platinum, and there is a problem that the lifetime is short when used in a high temperature and oxygen-containing gas atmosphere.
- the present applicant as a member that can be used for glass melting, includes a surface of a structure made of iridium or an iridium base alloy, an outer layer made of platinum or a platinum rhodium alloy, and an inner layer made of platinum or a platinum rhodium alloy containing a metal species. Proposed a composite structure in which the inner layer is covered with a two-layer cover on the surface opposite to the outer layer side where metal oxide particles are deposited in a dispersed state. (For example, refer to Patent Document 1).
- Patent Document 1 In the composite structure of Patent Document 1, there is a problem that a potential difference is generated by contact between iridium of the structure and platinum of the cover, and bubbles are generated from the platinum side in the glass melt. Therefore, the present applicant has proposed a method for homogenizing a glass melt in which a potential difference generated between a structure and a cover is canceled by applying a reverse potential (see, for example, Patent Document 2).
- the object of the present invention is to dissolve glass that can be used for a long life while maintaining high strength even in an environment that is exposed to a high-temperature and oxygen-containing gas atmosphere for a long time, and that bubbles can be prevented from being mixed into the glass melt.
- the stirrer for melting glass according to the present invention is made of iridium or an iridium-based alloy, has a rotating shaft and a stirring portion provided at a lower end portion of the rotating shaft, and more than the stirring portion of the surface of the rotating shaft.
- the upper surface region is covered with a cylindrical cover, and the cover has a two-layer structure in which an outer layer made of platinum or a platinum rhodium alloy and an inner layer made of platinum or a platinum rhodium alloy containing a metal species are joined.
- the inner layer is predetermined from at least the lower end of the cover. And having a pipe surrounding the surface area of the cover at a distance, the pipe being made of iridium or an iridium-based alloy.
- the pipe preferably has an extension extending upward from the upper end of the pipe, and the extension is preferably made of platinum or a platinum-based alloy. It can suppress more reliably that a bubble mixes in a glass melt.
- the pipe surrounds a surface region of the surface of the cover that is immersed in the glass melt during use. It is possible to prevent the iridium of the pipe from oxidizing and volatilizing. Moreover, it can suppress more reliably that a bubble mixes in a glass melt.
- the pipe has a closed portion below the lower end of the cover. It can suppress more reliably that a bubble mixes in a glass melt.
- the glass melting furnace according to the present invention is a glass melting furnace including the glass melting stirrer according to the present invention, and includes a height adjusting means for adjusting the height of the upper end of the pipe with respect to the liquid surface of the glass melt. It is characterized by.
- the present invention is a glass melting stirrer that can be used for a long life while maintaining high strength even in an environment exposed to a high temperature and oxygen-containing gas atmosphere for a long period of time, and can prevent bubbles from being mixed into the glass melt. And a glass melting furnace provided with the same can be provided.
- FIG. 1 It is a front view which shows an example of the glass melting stirrer which concerns on this embodiment, and the cover and the pipe were shown with sectional drawing. It is a partial expanded sectional view of the A section of FIG. It is a partial expanded sectional view of the B section of FIG.
- the glass melting stirrer 10 is made of iridium or an iridium-based alloy, and includes a rotating shaft 11 and a stirring portion 12 provided at a lower end portion of the rotating shaft 11.
- a surface region S1 above the stirring unit 12 in the surface of the shaft 11 is covered with a cylindrical cover 20, and the cover 20 includes an outer layer 22 made of platinum or a platinum rhodium alloy and a metal type, as shown in FIG.
- the inner layer 21 is joined to the inner layer 21 made of platinum or a platinum rhodium alloy, and the inner layer 21 oxidizes metal species on the surface 21b opposite to the surface 21a in contact with the outer layer 22.
- a pie that surrounds at least a surface region S2 of the cover 20 extending from the lower end of the cover 20 to a predetermined height.
- Has 30, pipe 30 is made of iridium or iridium-based alloy.
- the glass melting stirrer 10 is a stirring rod for stirring the glass melt, and has a rotating shaft 11 and a stirring unit 12.
- the rotating shaft 11 may be cylindrical as shown in FIG. 1 or may be rod-shaped (not shown). When the rotating shaft 11 has a cylindrical shape, it is preferable that the inside of the cylinder is vacuum-sealed or sealed so that the inside of the cylinder is not exposed to the oxygen-containing gas.
- a stirring unit 12 is provided at the lower end of the rotating shaft 11, and a motor (not shown) is connected to the upper end of the rotating shaft 11.
- the rotating shaft 11 is made of iridium or an iridium-based alloy.
- An iridium-based alloy is an alloy containing iridium as a main component.
- metal components constituting the alloy with iridium are rhodium (Rh), rhenium (Re), molybdenum (Mo), tungsten (W), niobium (Nb), Ta (tantalum), Zr (zirconium), and Hf. It is preferably at least one selected from (hafnium).
- the iridium content in the iridium-based alloy is, for example, 90% by mass or more.
- FIG. 1 shows a configuration in which the stirring unit 12 has a plurality of round bar-shaped stirring blades 12a.
- the present invention is not limited to this, for example, a mode having a spiral stirring blade (not shown). Further, a form (not shown) having a helical ribbon-like stirring blade may be used.
- the stirring unit 12 is made of iridium or an iridium-based alloy.
- An iridium-based alloy is an alloy containing iridium as a main component.
- metal components constituting the alloy with iridium are rhodium (Rh), rhenium (Re), molybdenum (Mo), tungsten (W), niobium (Nb), Ta (tantalum), Zr (zirconium), and Hf. It is preferably at least one selected from (hafnium).
- the iridium content in the iridium-based alloy is, for example, 90% by mass or more.
- the rotating shaft 11 and the stirring unit 12 may be integrated or separate. When the rotating shaft 11 and the stirring unit 12 are separate bodies, the rotating shaft 11 and the stirring unit 12 are preferably formed of the same material.
- the cover 20 has a cylindrical shape that matches the outer peripheral shape of the rotary shaft 11.
- the surface area S ⁇ b> 1 where the cover 20 is provided is a surface area above the stirring unit 12 in the surface of the rotating shaft 11.
- “upward” refers to a direction toward the end of the rotating shaft 11 on the side where a motor (not shown) is connected.
- “downward” refers to a direction toward the end of the rotating shaft 11 on the side where the stirring unit 12 is provided.
- the surface region S1 is preferably a surface region that is exposed to at least a high temperature and oxygen-containing gas atmosphere during use.
- high temperature is 1000 degreeC or more, for example.
- the oxygen-containing gas atmosphere is, for example, an oxygen gas atmosphere, an air atmosphere, or a gas atmosphere in which the oxygen partial pressure is adjusted.
- iridium oxidization and volatilization occurs. By covering with the cover 20, contact with oxygen can be restricted, and iridium oxidization and volatilization can be suppressed.
- the surface area exposed to the high-temperature and oxygen-containing gas atmosphere during use is specifically the surface area of the surface of the rotating shaft 11 that is not immersed in the glass melt.
- the cover 20 has a two-layer structure in which an outer layer 22 made of platinum or a platinum rhodium alloy and an inner layer 21 made of platinum or a platinum rhodium alloy containing a metal species are joined.
- the rhodium content of the platinum rhodium alloy is preferably 30% by mass or less, for example.
- the outer layer 22 prevents the inner layer 21 from coming into contact with the oxygen-containing gas atmosphere, and further prevents the rotating shaft 11 from coming into contact with the oxygen-containing gas atmosphere.
- the inner layer 21 serves as a diffusion blocking layer that suppresses mutual diffusion with the rotating shaft 11. As shown in FIG.
- the metal oxide particles 23a precipitated in a dispersed state on the surface 21b of the inner layer 21 protrude from the surface 21b.
- the surface 11a of the rotating shaft 11 is projected.
- the surface 21b of the inner layer 21 are not in contact with each other, or even if they are in contact, the contact area is reduced. That is, the metal seed oxide particles 23a deposited in a dispersed state on the surface 21b of the inner layer 21 serve as a spacer.
- the contact between the surface 11a of the rotating shaft 11 and the surface 21b of the inner layer 21 is restricted, whereby mutual diffusion between the rotating shaft 11 (iridium or iridium-based alloy) and the inner layer 21 (platinum as a main component) is performed.
- the inner layer 21 and the rotating shaft 11 may be partially in contact.
- the metal-type oxide particles 23a due to the presence of the metal-type oxide particles 23a, the area of the inner layer 21 where platinum and the iridium of the rotating shaft 11 can mutually diffuse is limited, and the metal-type oxide particles 23a themselves are mutually connected. Suppresses diffusion.
- the thickness is preferably 0.1 mm or more, and more preferably 0.2 mm or more.
- the contact between platinum of the inner layer 21 and iridium of the rotating shaft 11 is not caused by the metal species oxide particles 23a.
- the metal seed oxide particles 23a are preferably formed by oxidizing the cover 20 and oxidizing and depositing the metal seeds contained in the inner layer 21 to cause grain growth.
- the surface of the rotating shaft 11 made of iridium or an iridium-based alloy and the cover 20 are not brought into contact with each other, and the volume of the gap space can be reduced.
- the metal species that can be contained in such platinum as an alloy and can easily deposit the metal species oxide particles 23a on the surface by oxidation treatment include zirconium (Zr), aluminum (Al), silicon (Si ), Titanium (Ti), yttrium (Y), hafnium (Hf), tantalum (Ta), magnesium (Mg), cerium (Ce) and chromium (Cr).
- the same types of metal species that can be applied to the oxide dispersion strengthened platinum can be used.
- the metal-type oxide particles may be dispersed inside the inner layer 21 as oxide particles 23b.
- the inner layer 21 has an oxide on the surface on the 21b side. Is dense oxide-dispersed reinforced platinum.
- a slight gap space 24 may exist between the inner layer 21 and the rotating shaft 11 due to the role of the metal oxide particles 23a as a spacer. Although this gap space 24 contains oxygen and may be consumed by the oxidative volatilization and consumption of iridium on the rotating shaft 11, the amount of oxygen is so small that new oxygen flows into the gap space 24. If it is restricted so as not to occur, the iridium oxidative volatilization of the rotating shaft 11 does not become a problem.
- the cover 20 is preferably welded to the rotary shaft 11 over the entire periphery at the edges (upper and lower ends), and more preferably, the surfaces of the welded portions 25a and 25b are covered with platinum overlay welding. By welding the cover 20 to the rotating shaft 11 over the entire circumference at the edge, the gap space 24 is sealed and oxygen does not flow in.
- the materials constituting the outer layer 22 (platinum), the inner layer 21 (platinum), and the rotating shaft 11 (iridium) of the cover 20 are alloyed by welding. Specifically, It is an iridium-platinum alloy.
- the welded portions 25a and 25b are made of iridium-platinum alloy, so if exposed to an oxygen-containing gas atmosphere, iridium Oxidization and volatilization of the gas tends to occur. Therefore, by covering the welded portions 25a and 25b with platinum overlay welding, contact with the oxygen-containing gas atmosphere can be cut off and volatilization consumption can be prevented.
- the gap space 24 is preferably vacuum-sealed. It is possible to further prevent iridium oxidization and volatilization of the rotating shaft 11. Further, swelling due to residual gas is less likely to occur during high temperature use.
- the exhaust pipe 26 communicating with the gap space 24 is provided in the cover 20, the edge of the cover 20 is welded, the gap space 24 is evacuated through the exhaust pipe 26, and then sealed with the exhaust pipe 26. By doing so, the gap space 24 can be vacuum-sealed.
- the rotating shaft 11 to which the cover 20 is attached has a high temperature and oxygen-containing gas of 1000 hours or more, for example. It can be used stably for a long time while maintaining high strength in the atmosphere.
- the lower end of the cover 20 is preferably arranged in the glass melt at the time of use, and the upper end of the cover 20 is preferably arranged outside the furnace. It can suppress more reliably that the surface which is not covered with the cover 20 of the rotating shaft 11 is exposed to high temperature and oxygen-containing gas atmosphere.
- the lower end of the cover 20 is arrange
- platinum overlay welding may be performed.
- thermoelectromotive force is generated.
- a thermoelectromotive force of about 23 mV is generated at 1500 ° C. Due to the thermoelectromotive force, electrolytic bubbles (bubbles) are generated on the cover 20 side.
- the surface region S2 of the cover 20 is surrounded by the pipe 30, and bubbles generated in the glass melt existing between the pipe 30 and the cover 20 are released into the atmosphere, and the bubbles are in the tank. To prevent the entire glass from spreading.
- the pipe 30 is a cylindrical member that has an opening 31 at least at the upper end and has no cut along the circumferential direction. As shown in FIG. 1, the pipe 30 may have a cylindrical shape with a reduced diameter on the lower side, a cylindrical shape with a cylindrical body (not shown), or a tapered shape with a diameter increasing upward (not shown). (Illustrated).
- the pipe 30 is made of iridium or an iridium-based alloy. What was illustrated as a material of the rotating shaft 11 and the stirring part 12 can be used for an iridium base alloy.
- the pipe 30 is preferably made of the same material as the rotating shaft 11.
- the pipe 30 surrounds the surface region S2 of the cover 20 with an interval. Enclosing at an interval means that the pipe 30 is arranged in a non-contact manner with respect to the cover 20 over the entire outer periphery of the cover 20.
- the distance between the cover 20 and the pipe 30 may be any distance as long as bubbles generated on the cover 20 side can move upward in the space between the outer peripheral surface of the cover 20 and the inner peripheral surface of the pipe 30.
- the distance between the outer peripheral surface of the cover 20 and the inner peripheral surface of the pipe 30 is preferably 1 to 20 mm, and more preferably 3 to 10 mm.
- the surface area S2 includes at least the surface area S2a of the cover 20 extending from the lower end of the cover 20 to a predetermined height.
- the predetermined height is a length from the lower end of the cover 20 to a position where it is disposed on the liquid surface L1 of the glass melt at the time of use (shown in FIG. 3), or from the lower end of the cover 20 to the glass melt at the time of use. It is the length to the position arrange
- the pipe 30 surrounds the cover 20 from the lower end of the cover 20 to the position where the pipe 30 is disposed on the liquid surface L1 of the glass melt at the time of use, so that the upper end of the pipe 30 is disposed on the liquid surface L1 of the glass melt at the time of use.
- the pipe 30 surrounds the cover 20 from a lower end of the cover 20 over a position where the pipe 30 is disposed below the liquid level L1 of the glass melt at the time of use, so that the upper end of the pipe 30 is higher than the liquid level L1 of the glass melt at the time of use. It is arranged below. As a result, the mixing of bubbles into the glass melt can be minimized, and the oxidization and volatilization of iridium in the pipe 30 can be suppressed.
- the distance from the liquid level L1 of the glass melt to the upper end of the pipe 30 is The thickness is preferably 10 mm or less, and more preferably 5 mm or less.
- the pipe 30 surrounds the cover 20 from the lower end of the cover 20 over the position where it is disposed above the liquid level L1 of the glass melt at the time of use, so that the upper end of the pipe 30 is higher than the liquid level L1 of the glass melt at the time of use. Arranged above. As a result, mixing of bubbles into the glass melt can be more reliably suppressed.
- the upper end of the pipe 30 is disposed above the liquid surface L1 of the glass melt during use, iridium is oxidized and volatilized at a portion above the liquid surface L1 of the glass melt of the pipe 30.
- the strength required for the portion above the liquid surface L1 of the glass melt is weaker than the strength required for the rotating shaft 11, and the influence of strength reduction due to oxidation and volatilization is small.
- the pipe 30 rotates below the lower end of the cover 20 and above the stirring unit 12 as shown in FIG. It is also preferable to surround the surface region S2b of the shaft 11.
- the lower end of the pipe 30 can be joined to the rotating shaft 11. Furthermore, since the pipe 30 and the rotating shaft 11 are made of the same material, no electromotive force is generated at the joint portion between the pipe 30 and the rotating shaft 11, so that the generation of bubbles can be prevented.
- the pipe 30 preferably surrounds the surface area of the surface of the cover 20 that is immersed in the glass melt during use. It is possible to suppress the iridium of the pipe 30 from being oxidized and volatilized. Moreover, it can suppress more reliably that a bubble mixes in a glass melt.
- the pipe 30 preferably has a closed portion 32 below the lower end of the cover 20. It can suppress more reliably that a bubble mixes in a glass melt.
- the closing portion 32 is a portion whose diameter is reduced below the pipe 30 so as to be in contact with the outer peripheral surface of the rotating shaft 10.
- the form of the closing part 32 is not limited to the form shown in FIG. 1.
- the closing part 32 is a seal member (not shown) between the inner peripheral surface of the pipe 30 and the outer peripheral surface of the rotating shaft 11. It may be formed by plugging.
- the pipe 30 preferably has an extension 33 extending upward from the upper end of the pipe 30.
- the extension portion 33 is a cylindrical member that is open at the upper and lower ends and has no cuts in the circumferential direction. By providing the extension part 33, it can suppress more reliably that a bubble mixes in a glass melt.
- the lower end of the extension part 33 is joined to the upper end of the pipe 30 by, for example, welding.
- the extension portion 33 is preferably made of platinum or a platinum-based alloy.
- a platinum-based alloy is an alloy whose main component is platinum.
- metal components constituting the alloy with platinum are rhodium (Rh), rhenium (Re), molybdenum (Mo), tungsten (W), niobium (Nb), Ta (tantalum), Zr (zirconium), and Hf. It is preferably at least one selected from (hafnium).
- the platinum content in the platinum-based alloy is preferably 70% by mass or more, and more preferably 90% by mass or more.
- the pipe 30 is more preferably made of a platinum-rhodium alloy.
- the glass melting furnace which concerns on this embodiment is a glass melting furnace provided with the glass melting stirrer 10 which concerns on this embodiment, Comprising: Height adjustment which adjusts the height of the upper end of the pipe 30 with respect to the liquid level L1 of glass melt Means.
- the height adjusting means is, for example, an adjustment mechanism for the upper and lower mounting positions of the glass melting stirrer 10, an adjustment mechanism for the amount of glass melt, and a height adjustment mechanism for the glass melting furnace.
- a mechanism for adjusting the upper and lower mounting positions of the glass melting stirrer 10 and / or a mechanism for adjusting the amount of glass melt is preferable.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
- Accessories For Mixers (AREA)
Abstract
Description
11 回転軸
11a 回転軸の表面
12 攪拌部
12a 攪拌翼
20 カバー
21 内側層
21a 内側層の外側層と接する面
21b 内側層の表面(面21aの反対側の表面)
22 外側層
23a 金属種の酸化物粒子
23b 酸化物粒子
24 隙間空間
25a,25b 溶接部
26 排気管
30 パイプ
31 開口部
32 閉塞部
33 延長部
S1 回転軸の表面領域
S2 カバーの表面領域
S2a カバーの下端から所定の高さにわたるカバーの表面領域
S2b カバーの下端よりも下方で、かつ、攪拌部よりも上方の回転軸の表面領域
L1 ガラス融液の液面
Claims (5)
- イリジウム又はイリジウム基合金からなり、回転軸と該回転軸の下端部に設けられた攪拌部とを有し、
前記回転軸の表面のうち前記攪拌部よりも上方の表面領域が筒状のカバーで被覆され、該カバーは、白金又は白金ロジウム合金からなる外側層と金属種を含む白金又は白金ロジウム合金からなる内側層とが接合された二層構造をなし、かつ、該内側層は、前記外側層に接する面とは反対側の表面に、前記金属種の酸化物粒子が分散状態で析出しているガラス溶解用スターラーにおいて、
少なくとも前記カバーの下端から所定の高さにわたる該カバーの表面領域を、間隔をあけて包囲するパイプを有し、該パイプは、イリジウム又はイリジウム基合金からなることを特徴とするガラス溶解用スターラー。 - 前記パイプは、該パイプの上端から上方に向かって延びる延長部を有し、該延長部は白金又は白金基合金からなることを特徴とする請求項1に記載のガラス溶解用スターラー。
- 前記パイプは、前記カバーの表面のうち使用時にガラス融液に浸漬される表面領域を包囲することを特徴とする請求項1又は2に記載のガラス溶解用スターラー。
- 前記パイプは、前記カバーの下端よりも下方に閉塞部を有することを特徴とする請求項1~3のいずれか一つに記載のガラス溶解用スターラー。
- 請求項1~4のいずれか一つに記載のガラス溶解用スターラーを備えるガラス溶解炉であって、
ガラス融液の液面に対する前記パイプの上端の高さを調整する高さ調整手段を備えることを特徴とするガラス溶解炉。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020167027114A KR102286984B1 (ko) | 2014-04-11 | 2015-04-08 | 글래스 용해용 스터러 및 글래스 용해로 |
US15/129,683 US10858276B2 (en) | 2014-04-11 | 2015-04-08 | Stirrer for glass melting, and glass melting furnace |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014081584A JP6275533B2 (ja) | 2014-04-11 | 2014-04-11 | ガラス溶解用スターラー及びガラス溶解炉 |
JP2014-081584 | 2014-04-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2015156309A1 true WO2015156309A1 (ja) | 2015-10-15 |
Family
ID=54287883
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2015/060942 WO2015156309A1 (ja) | 2014-04-11 | 2015-04-08 | ガラス溶解用スターラー及びガラス溶解炉 |
Country Status (4)
Country | Link |
---|---|
US (1) | US10858276B2 (ja) |
JP (1) | JP6275533B2 (ja) |
KR (1) | KR102286984B1 (ja) |
WO (1) | WO2015156309A1 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6284418B2 (ja) * | 2014-04-17 | 2018-02-28 | 株式会社フルヤ金属 | ガラス融液の攪拌機構、ガラス溶解用スターラーのカバー及びガラスの製造方法 |
JP6710130B2 (ja) * | 2016-09-13 | 2020-06-17 | 東京エレクトロン株式会社 | 基板処理装置 |
JP6749268B2 (ja) | 2017-03-07 | 2020-09-02 | 東京エレクトロン株式会社 | 基板処理装置 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002180268A (ja) * | 2000-12-19 | 2002-06-26 | Furuya Kinzoku:Kk | ガラス溶融処理用金属材料及びその製造方法 |
JP2009523696A (ja) * | 2006-01-24 | 2009-06-25 | ショット アクチエンゲゼルシャフト | 泡を含まない方法で溶融ガラスを輸送、均質化およびコンディショニングするための方法および装置 |
JP2011051858A (ja) * | 2009-09-04 | 2011-03-17 | Furuya Kinzoku:Kk | ガラス融液の均質化方法及びガラス溶融装置用部品 |
JP2012180243A (ja) * | 2011-03-02 | 2012-09-20 | Nippon Electric Glass Co Ltd | ガラス物品製造装置及びガラス物品製造方法 |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2515478A (en) * | 1944-11-15 | 1950-07-18 | Owens Corning Fiberglass Corp | Apparatus for increasing the homogeneity of molten glass |
US3083109A (en) * | 1958-02-20 | 1963-03-26 | Int Nickel Co | Composite metal refractory |
US3230060A (en) * | 1961-12-04 | 1966-01-18 | Owens Illinois Glass Co | Glass feeding |
GB1159011A (en) * | 1966-01-06 | 1969-07-23 | Pilkington Brothers Ltd | Improvements in or relating to Apparatus for Stirring High Temperature Liquids. |
CH540984A (de) * | 1968-01-20 | 1973-10-15 | Degussa | Verfahren zur Herstellung eines dispersionsgehärteten Werkstoffs |
GB1211797A (en) * | 1968-04-02 | 1970-11-11 | Pilkington Brothers Ltd | Improvements in or relating to stirrers |
US3811861A (en) * | 1969-03-25 | 1974-05-21 | Saint Gobain | Apparatus for homogenization of molten glass and additives |
US3988138A (en) * | 1973-07-02 | 1976-10-26 | Owens-Illinois, Inc. | Method and apparatus for melting glass-making materials |
GB1476131A (en) * | 1974-01-11 | 1977-06-10 | Pilkington Brothers Ltd | Stirring |
FR2429264A1 (fr) * | 1978-06-20 | 1980-01-18 | Louyot Comptoir Lyon Alemand | Procede de fabrication d'un platinoide comportant une phase dispersee d'un oxyde refractaire |
JPH01219028A (ja) * | 1988-02-29 | 1989-09-01 | Hoya Corp | ガラスの溶融方法 |
DE4417495C1 (de) * | 1994-05-19 | 1995-09-28 | Schott Glaswerke | Verfahren zur Herstellung von mit Y¶2¶0¶3¶ dispersionsverfestigten Reinst-Platin-Werkstoffen, Halbzeugen und Blechen |
JP3776296B2 (ja) * | 2000-06-28 | 2006-05-17 | 田中貴金属工業株式会社 | 酸化物分散強化型の白金材料及びその製造方法 |
US8256951B2 (en) * | 2006-12-21 | 2012-09-04 | Corning Incorporated | Stirrers for minimizing erosion of refractory metal vessels in a glass making system |
DE102007008102B4 (de) * | 2007-02-19 | 2020-12-03 | Umicore Ag & Co. Kg | Vorrichtung zum Einsatz in der Glasindustrie und Verfahren |
JP2011037244A (ja) | 2009-08-18 | 2011-02-24 | Furuya Kinzoku:Kk | 複合構造体及びその製造方法 |
US8114188B1 (en) * | 2010-08-30 | 2012-02-14 | Corning Incorporated | Method for eliminating carbon contamination of precious metal components |
US8613806B2 (en) * | 2010-08-30 | 2013-12-24 | Corning Incorporated | Method for eliminating carbon contamination of platinum-containing components for a glass making apparatus |
-
2014
- 2014-04-11 JP JP2014081584A patent/JP6275533B2/ja not_active Expired - Fee Related
-
2015
- 2015-04-08 WO PCT/JP2015/060942 patent/WO2015156309A1/ja active Application Filing
- 2015-04-08 US US15/129,683 patent/US10858276B2/en active Active
- 2015-04-08 KR KR1020167027114A patent/KR102286984B1/ko active IP Right Grant
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002180268A (ja) * | 2000-12-19 | 2002-06-26 | Furuya Kinzoku:Kk | ガラス溶融処理用金属材料及びその製造方法 |
JP2009523696A (ja) * | 2006-01-24 | 2009-06-25 | ショット アクチエンゲゼルシャフト | 泡を含まない方法で溶融ガラスを輸送、均質化およびコンディショニングするための方法および装置 |
JP2011051858A (ja) * | 2009-09-04 | 2011-03-17 | Furuya Kinzoku:Kk | ガラス融液の均質化方法及びガラス溶融装置用部品 |
JP2012180243A (ja) * | 2011-03-02 | 2012-09-20 | Nippon Electric Glass Co Ltd | ガラス物品製造装置及びガラス物品製造方法 |
Also Published As
Publication number | Publication date |
---|---|
KR102286984B1 (ko) | 2021-08-06 |
US20170137312A1 (en) | 2017-05-18 |
US10858276B2 (en) | 2020-12-08 |
JP6275533B2 (ja) | 2018-02-07 |
KR20160144362A (ko) | 2016-12-16 |
JP2015202968A (ja) | 2015-11-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2015156309A1 (ja) | ガラス溶解用スターラー及びガラス溶解炉 | |
JP5538723B2 (ja) | 泡を含まない方法で溶融ガラスを輸送、均質化およびコンディショニングするための方法および装置 | |
US11814312B2 (en) | Corrosion-resistant glass melt electrodes and methods of using them | |
US20080282738A1 (en) | Molten Glass Stirrer and Molten Glass Stirring Device Including the Molten Glass Stirrer | |
JP6284418B2 (ja) | ガラス融液の攪拌機構、ガラス溶解用スターラーのカバー及びガラスの製造方法 | |
JP6520852B2 (ja) | 温度センサ | |
JP5655425B2 (ja) | ガラス製造用容器、それを備えるガラス製造装置及びそれを用いたガラスの製造方法 | |
WO2011021487A1 (ja) | 複合構造体及びその製造方法 | |
JP2015021144A (ja) | 耐熱性部品及びその製造方法 | |
JP6931739B2 (ja) | スパークプラグ電極及びかかるスパークプラグ電極の製造方法並びにスパークプラグ電極を備えるスパークプラグ | |
Salomon et al. | Formation of corundum, magnesium titanate, and titanium (III) oxide at the interface between rutile and molten Al or AlSi7Mg0. 6 alloy | |
JP4316060B2 (ja) | スパークプラグの製造方法及びスパークプラグ | |
WO2011027813A1 (ja) | ガラス融液の均質化方法及びガラス溶融装置用部品 | |
US20200263558A1 (en) | Honeycomb structure including abradable material | |
US2102891A (en) | Material for arc welding | |
US20110048076A1 (en) | Glass manufacturing container, glass manufacturing apparatus with the same and glass manufacturing method using glass manufacturing apparatus | |
JP2009070819A (ja) | セラミックヒータ、及びそれを内蔵したガスセンサ素子並びにガスセンサ | |
CN111770898B (zh) | 熔融玻璃搅拌腔室 | |
JP2020530065A (ja) | ハイブリッド予備焼結プリフォーム、グリーンプリフォーム、およびプロセス | |
JP2022116761A (ja) | 金属酸化物単結晶製造装置 | |
JP6796957B2 (ja) | グロープラグ | |
JP2003268461A (ja) | 反応性金属合金からハードアルファ介在物を濾過するためのシステムおよびフィルタ | |
KR20180126179A (ko) | 커팅 블레이드 | |
WO2017047435A1 (ja) | 温度センサ | |
JP2015174806A (ja) | 溶融ガラスの流れ置換部材 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 15777347 Country of ref document: EP Kind code of ref document: A1 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 15129683 Country of ref document: US |
|
ENP | Entry into the national phase |
Ref document number: 20167027114 Country of ref document: KR Kind code of ref document: A |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 15777347 Country of ref document: EP Kind code of ref document: A1 |