WO2011010624A1 - ガラス製造装置及びガラス製造方法 - Google Patents
ガラス製造装置及びガラス製造方法 Download PDFInfo
- Publication number
- WO2011010624A1 WO2011010624A1 PCT/JP2010/062118 JP2010062118W WO2011010624A1 WO 2011010624 A1 WO2011010624 A1 WO 2011010624A1 JP 2010062118 W JP2010062118 W JP 2010062118W WO 2011010624 A1 WO2011010624 A1 WO 2011010624A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- glass
- orifice
- molten glass
- pipe
- manufacturing apparatus
- Prior art date
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- 0 C(C1)C2C1C*C2 Chemical compound C(C1)C2C1C*C2 0.000 description 1
- VBTJJCNOBRVHLY-ZZXKWVIFSA-N CC/C=C/C1CCCC1 Chemical compound CC/C=C/C1CCCC1 VBTJJCNOBRVHLY-ZZXKWVIFSA-N 0.000 description 1
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
- C03B5/18—Stirring devices; Homogenisation
-
- 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
- C03B5/26—Outlets, e.g. drains, siphons; Overflows, e.g. for supplying the float tank, tweels
- C03B5/262—Drains, i.e. means to dump glass melt or remove unwanted materials
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B18/00—Shaping glass in contact with the surface of a liquid
- C03B18/02—Forming sheets
-
- 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
- C03B5/225—Refining
-
- 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
- C03B5/225—Refining
- C03B5/2252—Refining under reduced pressure, e.g. with vacuum refiners
-
- 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
- C03B5/26—Outlets, e.g. drains, siphons; Overflows, e.g. for supplying the float tank, tweels
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
Definitions
- the present invention relates to a glass manufacturing apparatus and a glass manufacturing method for manufacturing a glass substrate for FPD (Flat Panel Display), and more particularly to a glass manufacturing apparatus and a glass manufacturing method for manufacturing a glass substrate for a liquid crystal display made of non-alkali glass. .
- a manufacturing method by a float method is known as a manufacturing method for manufacturing a glass substrate for FPD.
- a glass manufacturing apparatus using a float process is composed of a melting tank, a vacuum degassing apparatus, a molten metal bath (float bath), a slow cooling furnace, and a cutting apparatus.
- the molten glass melted in the melting tank is supplied to a vacuum degassing apparatus, where it is vacuum degassed and then flows into a float bath through a transport pipe.
- the float bath is filled with molten tin, and the molten glass flowing into the float bath is cast on the molten tin solution to a predetermined thickness and flattened.
- the glass manufacturing apparatus disclosed in Patent Document 1 includes a melting tank, a stirring pot, a pipe feeder, a molding pot, and the like.
- the stirring pot is provided with a stirrer for stirring the molten glass in the stirring pot, and at the bottom of the stirring pot, a drain pipe for discharging the foreign molten glass accumulated in the bottom of the stirring pot is provided.
- a glass raw material is melted into a molten glass in a melting tank, and this molten glass is caused to flow from the melting tank into a stirring pot. Then, the homogeneity of the molten glass is increased by stirring the molten glass with a stirrer in the stirring pot, and then the molten glass is allowed to flow into the molding pot through the pipe feeder while adjusting the temperature.
- a drain tube made of platinum or a platinum alloy is placed near the temperature of the molten glass.
- the viscosity of the molten glass in the drain pipe is controlled by heating up the electrothermal heating, that is, by heating the drain pipe, and the molten glass mainly containing a large amount of zirconia is discharged from the stirring pot to the outside through the drain pipe.
- the viscosity characteristics with respect to the temperature will be explained.
- the viscosity of the alkali glass has a characteristic of gradually decreasing as the temperature rises, but the viscosity of the alkali-free glass has the characteristic of rapidly decreasing in a predetermined small temperature range. ing. Therefore, in the molten alkali-free glass, it is difficult to finely adjust the discharge flow rate from the drain tube only by the temperature of the drain tube.
- the shape of the conventional drain pipe 2 connected to the bottom of the stirring pot 1 is a straight pipe (see FIG. 1: drain nozzle 4 of Patent Document 1).
- the temperature of the drain pipe is set to a temperature at which the molten glass can be maintained, and an orifice is integrally formed at the outlet of the drain pipe, and the discharge amount is narrowed by this orifice to finely adjust the discharge amount.
- the orifice is deteriorated or damaged by the high-temperature molten glass in the drain pipe, and the diameter of the outlet of the orifice becomes large, so it becomes impossible to finely adjust the discharge amount of the molten glass.
- the quality of the glass plate to be manufactured is deteriorated.
- the molten glass supplied to the float forming apparatus contains a heterogeneous molten glass, which is a molten glass mainly containing a large amount of zirconia, and the quality of the molten glass discharged is unnecessarily large. Since even molten glass is discharged, the productivity of the glass plate is lowered. In order to solve this problem, the entire drain tube has to be replaced. When the drain tube is replaced, the production of the glass plate is stopped, so that the productivity of the glass plate is lowered.
- This invention is made
- the present invention provides a glass production in which a drain pipe for discharging molten glass is provided at the bottom of a container for temporarily containing molten glass or the bottom of a conveying pipe for conveying molten glass.
- the drain pipe is composed of a discharge pipe connected to the bottom of the container or the bottom of the transfer pipe and having heating means, and an orifice detachably provided at the bottom of the discharge pipe.
- the discharge pipe which is the straight pipe portion of the drain pipe, and the orifice provided in the lower part thereof have a separation structure, and the orifice is detachably attached to the discharge pipe.
- the discharge pipe is heated to a predetermined temperature by heating means such as an electric heating device, and the molten glass in the discharge pipe is maintained at a good viscosity for discharge. , Discharge from the orifice outlet.
- heating means such as an electric heating device
- the temperature of the molten glass accommodated in the container or the molten glass conveyed by the conveying tube is 1350 to 1450 ° C.
- the temperature of the molten glass discharged from the drain tube is 1200 to 1400 ° C.
- the discharge pipe of the present invention is made of platinum or a platinum alloy, has a thickness of 0.3 to 2 mm, a length of 200 to 800 mm, an inner diameter of 20 to 80 mm, and is heated to 1050 to 1350 ° C. by the heating means.
- the orifice is preferably made of platinum or a platinum alloy, and the diameter of the discharge port is preferably 3 to 70 mm. According to the present invention, only a foreign molten glass can be discharged stably.
- a heating means is further provided in the orifice. According to the present invention, only the foreign molten glass can be stably discharged by heating the orifice to the same level as the temperature of the discharge pipe by the heating means.
- the discharge pipe of the present invention is detachably connected to the bottom of the container or the bottom of the transport pipe. According to the present invention, when the discharge pipe is broken, it can be easily replaced with a new discharge pipe.
- the present invention provides a glass manufacturing method characterized by manufacturing glass using the glass manufacturing apparatus of the present invention. Thereby, according to the glass manufacturing method of this invention, the quality improvement and productivity improvement of manufactured glass can be aimed at.
- the orifice can be replaced, and the quality improvement and production of the manufactured glass can be achieved. It is possible to improve the performance.
- FIG. 1 is a schematic sectional view showing an embodiment of the glass manufacturing apparatus of the present invention.
- the glass manufacturing apparatus includes a melting tank 20 that melts a glass raw material and accommodates a molten glass G, and a vacuum defoaming apparatus 10 that vacuum-suctions the bubbles in the molten glass G by degassing the molten glass G. Consists of
- the glass raw material of the embodiment is a glass raw material that does not substantially contain an alkali metal oxide suitable for a glass substrate for LCD, but is not limited to this glass raw material, and is suitable for a glass substrate for PDP. It may be a glass raw material (soda lime glass) containing an alkali metal oxide.
- composition of the alkali-free glass is SiO 2 : 50.0 to 66.0%, Al 2 O 3 : 10.5 to 22.0%, B 2 O 3 : 0 to 12.0 %, MgO: 0 to 8.0%, CaO: 0 to 14.5%, SrO: 0 to 24.0%, BaO: 0 to 13.5%, MgO + CaO + SrO + BaO: 9.0 to 29.5%.
- this composition is also an example.
- the melting tank 20 melts a glass raw material at a high temperature of about 1500 ° C. or higher obtained using the heat of a flame obtained by burning fuel gas or using electric heat, and accommodates the molten glass G. It is arrange
- the liquid surface of the molten glass G is exposed to atmospheric pressure to form a free surface.
- the dissolution tank 20 is comprised with the brick made from a refractory material containing a zirconia.
- the refractory brick containing the zirconia is composed of a hot-melt refractory which is composed mainly of glass composed mainly of SiO 2 with a weight percentage of ZrO 2 of 85% to 97%.
- the vacuum degassing apparatus 10 performs a vacuum defoaming process for the molten glass G in the vacuum degassing tank 14 that has been decompressed.
- the vacuum degassing apparatus 10 includes a vacuum degassing tank 14, an ascending pipe 16, and a descending pipe 18.
- the lower end of the ascending pipe 16 is connected to the upstream stirring pot 22 that communicates with the dissolution tank 20, and the lower end of the descending pipe 18 is connected to the downstream stirring pot 24 that communicates with the float forming device 26 via the transport pipe 27.
- the upstream stirring pot 22 is a container that temporarily stores the molten glass G.
- An upstream side of the upstream stirring pot 22 is connected to the dissolution tank 20 via a transfer pipe 27, and a downstream side is connected to the downstream side of the ascending pipe 16 via the transfer pipe 27.
- the upstream side of the downstream side stirring pot 24 is connected to the downstream side of the downcomer pipe 18 via the transfer pipe 27, and the downstream side is connected to the float forming device 26 via the transfer pipe 27.
- an upstream stirrer 36 that stirs the molten glass G supplied to the vacuum degassing vessel 14 is immersed in the molten glass G inside the upstream stirring pot 22.
- a downstream stirrer 38 that stirs the molten glass G discharged from the vacuum degassing vessel 14 is immersed in the molten glass G inside the downstream stirring pot 24. It is preferable to make the upper space of the stirring pot a nitrogen atmosphere because the platinum stirring pot does not volatilize and the glass defects caused thereby can be suppressed.
- the upstream stirrer 36 and the downstream stirrer 38 are provided with a rotatable shaft and blades wound spirally around the shaft.
- the alkali-free glass is produced by the following method using the glass production apparatus configured as described above.
- a glass raw material that does not substantially contain an alkali metal oxide is continuously added to the melting tank 20, heated at 1500 to 1650 ° C. and melted to obtain a molten glass G.
- the molten glass G is stirred by the upstream stirring pot 22, vacuum degassed by the vacuum degassing tank 14, and stirred by the downstream stirring pot 24.
- the glass plate is formed into a predetermined plate thickness by a glass plate forming method such as a float method, and after slow cooling, cut into a non-alkali glass having a desired size.
- a glass plate forming method such as a float method
- the drain pipe 40 is provided in the opening 23 formed in the bottom of the upstream stirring pot 22.
- the drain pipe 40 is composed of a discharge pipe 42 and an orifice 44.
- FIG. 2 is a structural diagram schematically showing the configuration of the upstream stirring pot 22 and the drain pipe 40.
- the discharge pipe 42 constituting the drain pipe 40 has an electric heating device 46, and the orifice 44 is detachably provided at the lower part of the discharge pipe 42. That is, in the drain pipe 40 of the embodiment, the discharge pipe 42 and the orifice 44 have a separation structure, and the orifice 44 is detachably attached to the discharge pipe 42.
- the discharge pipe 42 When the molten glass mainly containing a large amount of zirconia accumulated at the bottom of the upstream side stirring pot 22 is discharged by the drain pipe 40, the discharge pipe 42 is heated to a predetermined temperature by the electric heating device 46, and the discharge pipe The molten glass G in 42 is kept at a viscosity suitable for discharge, and in this state, the molten glass G is discharged from the discharge port 45 of the orifice 44 to the outside in the direction of the arrow.
- the orifice 44 is replaced when the orifice 44 is deteriorated or damaged, or when the orifice 44 is optimized by replacing the orifice 44 with a different diameter of the discharge port 45, only the orifice 44 is discharged. Remove from 42 and replace with a new orifice 44.
- the replacement work of the orifice 44 becomes easy and can be performed in a short time, so that the replacement work can be performed without affecting the quality of the glass plate to be manufactured and without stopping the glass manufacturing apparatus. Therefore, the productivity of the glass plate is improved.
- the attachment structure of the orifice 44 to the discharge pipe 42 is exemplified by a structure in which flanges 42A and 44A are formed in the respective connecting portions, and the flange 44A of the orifice 44 is pressed against the flange 42A of the discharge pipe 42 with a refractory (not shown). it can. According to this mounting structure, the orifice 44 can be easily attached to and detached from the discharge pipe 42. Even when the glass manufacturing apparatus is stopped when replacing the orifice 44, since the replacement operation of the orifice 44 is facilitated, the stop time is extremely short, so that the productivity of the glass plate is not lowered.
- the temperature of the molten glass G accommodated in the upstream stirring pot 22 or the molten glass G conveyed by the conveying tube 27 is 1350 to 1450 ° C. and is discharged from the drain tube 40.
- the temperature of the molten glass G is preferably 1200 to 1400 ° C.
- the discharge pipe 42 of the embodiment is made of platinum or a platinum alloy, has a thickness of 0.3 to 2 mm, a length of 200 to 800 mm, an inner diameter of 20 to 80 mm, and is heated to 1050 to 1350 ° C. by the electric heating device 46. Heating is preferred.
- the orifice 44 is preferably made of platinum or a platinum alloy, and the diameter of the discharge port 45 is preferably 3 to 70 mm. Thereby, only the molten glass G mainly containing a large amount of zirconia can be stably discharged from the orifice 44 of the drain pipe 40.
- a through hole having a diameter substantially the same as that of the discharge pipe 42 is formed in a refractory material such as a refractory brick, and the inner peripheral surface of the through hole is sprayed and coated with platinum or a platinum alloy.
- You may comprise by.
- an electrothermal heating device 48 (heating means) may be provided in the orifice 44 as shown in FIG. Since the temperature difference between the orifice 44 and the molten glass G can be eliminated by heating the orifice 44 to the same level as the temperature of the discharge pipe 42 by the electric heating device 48, the orifice 44 of the orifice 44 caused by the temperature difference can be eliminated. Early deterioration and breakage can be prevented.
- the heating means of the orifice 44 is not limited to the electric heating device 48, and heating by a burner may be used.
- the discharge pipe 42 may be detachably connected to the bottom of the upstream stirring pot 22 as shown in FIG. Thereby, when the discharge pipe 42 is damaged, it can be easily replaced with a new discharge pipe 42.
- the attachment structure of the discharge pipe 42 to the upstream stirring pot 22 is such that a flange 42B is formed at the connecting portion of the discharge pipe 42, and the flange 42B of the discharge pipe 42 is attached to the bottom corresponding to the opening 23 of the upstream stirring pot 22.
- a structure can be exemplified by pressing (not shown). According to this attachment structure, the discharge pipe 42 can be easily attached to and detached from the bottom of the upstream stirring pot 22.
- the discharge amount of the foreign molten glass G discharged from the drain pipe 40 is about 1 to 30 tons per day.
- emitted foreign molten glass G can be recycled to the glass suitable for a use after confirming a composition and a moisture content as cullet after that.
- the attachment position of the drain pipe 40 is not limited to the upstream stirring pot 22, and the downstream side.
- the stirring pot 24 may be used, and if it is a transport pipe 27 for transporting the molten glass G installed in the path from the melting tank 20 to the float forming apparatus 26, the transport pipe (for example, the upstream side stirring from the melting tank 20).
- a drain pipe 40 may be provided at the bottom of the transport pipe 27 for transporting the molten glass G to the pot 22 and / or the transport pipe 27 for transporting the molten glass G from the downstream stirring pot 24 to the float forming apparatus 26.
- a drain pipe 40 (not shown) is provided with a funnel structure or the like at the bottom of the dissolution tank near the joint between the dissolution tank 20 and the transport pipe 27.
- the refractory brick at the joint between the melting tank 20 and the transport pipe 27 is provided with a protective layer (not shown) made of platinum or a platinum alloy.
- the side wall of the melting tank 20 is preferably provided with an extraction port (not shown) for extracting molten glass when the melting tank is maintained.
- the refractory bricks around the melting tank 20 and around the drain pipe at the bottom of the melting tank and around the extraction port are composed of glassy refractory bricks mainly composed of 85% to 97% by weight of ZrO 2 and the balance being SiO 2. From the viewpoint of erosion resistance.
- the molten glass G is not limited to alkali-free glass, and the drain tube 40 of the embodiment can be applied even if it is alkali glass. That is, the drain tube 40 of the embodiment can be applied to a manufacturing apparatus for manufacturing a glass substrate for PDP made of alkali glass and a manufacturing apparatus for manufacturing a glass substrate for LCD made of alkali glass.
- the manufacturing method of the glass plate is not limited to the float method, but can be applied to other manufacturing methods such as a redraw method, a slot down draw method, an overflow down draw method, and the like.
- the orifice can be replaced, and the quality and productivity of the manufactured glass can be improved. Can do.
Abstract
Description
攪拌ポットの上部空間を窒素雰囲気にすると、白金製の攪拌ポット内部が酸化揮散せず、それによるガラス欠点が抑制できるので好ましい。
なお、排出された異質の溶融ガラスGは、その後カレットとして、組成や水分量を確認して、用途に合ったガラスにリサイクルすることができる。
更に溶解槽20と搬送管27との接合部付近の溶解槽底部に、漏斗構造等を設けてドレイン管40が設けられると(不図示)、効果的である。
なお、溶解槽20と搬送管27との接合部における耐火物煉瓦には、白金又は白金合金製の保護層(不図示)が設けられていると好ましい。
さらに溶解槽20の側壁には、溶解槽の整備等の際に溶融ガラスを抜くための抜き出し口(不図示)が設けられていると好ましい。
これら溶解槽20や、溶解槽底部のドレイン管周辺や、前記抜き出し口周辺における耐火物煉瓦は、85%~97重量%がZrO2で残部がSiO2主体のガラス質耐火物煉瓦で構成されると、耐侵食性上、好ましい。
本出願は、2009年7月24日出願の日本特許出願2009-173509に基づくものであり、その内容はここに参照として取り込まれる。
Claims (6)
- 溶融ガラスを一時的に収容する容器の底部又は溶融ガラスを搬送する搬送管の底部に、溶融ガラスを排出するためのドレイン管が設けられたガラス製造装置において、
前記ドレイン管は、前記容器の底部又は前記搬送管の底部に連結されるとともに加熱手段を有する排出管と、該排出管の下部に着脱自在に設けられたオリフィスとから構成されることを特徴とするガラス製造装置。 - 前記容器に収容される溶融ガラスまたは前記搬送管で搬送される溶融ガラスの温度が1350~1450℃であり、前記ドレイン管から排出される溶融ガラスの温度が1200~1400℃であり、前記溶融ガラスは該溶融ガラスの粘度をη[dPa・s]とするとき、logη=2となる温度が1460℃超~1750℃以下である請求項1記載のガラス製造装置。
- 前記排出管は、白金又は白金合金製であり、厚さ0.3~2mm、長さ200~800mm、内径20~80mmであり、前記加熱手段により1050~1350℃に加熱され、
前記オリフィスは、白金又は白金合金製であり、排出口の口径が3~70mmである請求項1又は2に記載のガラス製造装置。 - さらに、前記オリフィスに加熱手段が設けられた請求項1~3のいずれか1項に記載のガラス製造装置。
- 前記排出管は、前記容器の底部又は前記搬送管の底部に着脱自在に連結されている請求項1~4のいずれか1項に記載のガラス製造装置。
- 請求項1~5のいずれか1項に記載のガラス製造装置を用いてガラスを製造することを特徴とするガラス製造方法。
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JP2011523651A JPWO2011010624A1 (ja) | 2009-07-24 | 2010-07-16 | ガラス製造装置及びガラス製造方法 |
CN2010800335607A CN102471115A (zh) | 2009-07-24 | 2010-07-16 | 玻璃制造装置以及玻璃制造方法 |
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JP2009173509 | 2009-07-24 | ||
JP2009-173509 | 2009-07-24 |
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KR (1) | KR20120038974A (ja) |
CN (1) | CN102471115A (ja) |
TW (1) | TW201109284A (ja) |
WO (1) | WO2011010624A1 (ja) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2012011419A1 (ja) * | 2010-07-21 | 2012-01-26 | 旭硝子株式会社 | 溶融ガラスの搬送装置、および溶融ガラスの搬送装置を用いたガラス製造方法 |
WO2015194642A1 (ja) * | 2014-06-20 | 2015-12-23 | 旭硝子株式会社 | 溶融ガラスの異質素地排出構造、ガラス物品の製造装置および製造方法 |
CN107382029A (zh) * | 2017-09-08 | 2017-11-24 | 蚌埠玻璃工业设计研究院 | 一种用于电子显示玻璃铂金通道的封堵结构 |
WO2018114713A1 (en) * | 2016-12-19 | 2018-06-28 | Umicore Ag & Co.Kg | Bottom drain |
CN110255866A (zh) * | 2019-07-22 | 2019-09-20 | 陕西工业职业技术学院 | 一种具有调温功能的玻璃成型池及其调温方法 |
WO2020008841A1 (ja) * | 2018-07-04 | 2020-01-09 | 日本電気硝子株式会社 | ガラス物品の製造方法 |
KR20230031139A (ko) | 2021-08-26 | 2023-03-07 | 에이지씨 가부시키가이샤 | 유리 제조 장치 및 유리 제조 방법 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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FR2990937B1 (fr) * | 2012-05-25 | 2014-05-16 | Saint Gobain Isover | Dispositif de coulee de verre fondu |
CN103030260B (zh) * | 2013-01-10 | 2015-09-23 | 湖北新华光信息材料有限公司 | 一种制作梯度光学玻璃的装置及其制作方法 |
JP7025405B2 (ja) * | 2016-08-02 | 2022-02-24 | コーニング インコーポレイテッド | 反応性ガラス及びガラスセラミックの溶融方法並びにその溶融装置 |
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- 2010-07-16 WO PCT/JP2010/062118 patent/WO2011010624A1/ja active Application Filing
- 2010-07-16 KR KR1020127001680A patent/KR20120038974A/ko not_active Application Discontinuation
- 2010-07-16 JP JP2011523651A patent/JPWO2011010624A1/ja active Pending
- 2010-07-16 CN CN2010800335607A patent/CN102471115A/zh active Pending
- 2010-07-23 TW TW099124436A patent/TW201109284A/zh unknown
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WO2015194642A1 (ja) * | 2014-06-20 | 2015-12-23 | 旭硝子株式会社 | 溶融ガラスの異質素地排出構造、ガラス物品の製造装置および製造方法 |
WO2018114713A1 (en) * | 2016-12-19 | 2018-06-28 | Umicore Ag & Co.Kg | Bottom drain |
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CN110255866A (zh) * | 2019-07-22 | 2019-09-20 | 陕西工业职业技术学院 | 一种具有调温功能的玻璃成型池及其调温方法 |
CN110255866B (zh) * | 2019-07-22 | 2023-09-12 | 山东柔光新材料有限公司 | 一种具有调温功能的玻璃成型池及其调温方法 |
KR20230031139A (ko) | 2021-08-26 | 2023-03-07 | 에이지씨 가부시키가이샤 | 유리 제조 장치 및 유리 제조 방법 |
Also Published As
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JPWO2011010624A1 (ja) | 2012-12-27 |
TW201109284A (en) | 2011-03-16 |
KR20120038974A (ko) | 2012-04-24 |
CN102471115A (zh) | 2012-05-23 |
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