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1. 发明公开

EP2248774A1 VACUUM DEFOAMING EQUIPMENT AND VACUUM DEFOAMING METHOD OF MOLTEN GLASS 有权
标题翻译： VORRICHTUNG UND METHODS ZUR VAKUUMENTGASUNG VON GESCHMOLZENEM GLAS
公开(公告)号：EP2248774A1
公开(公告)日：2010-11-10
申请号：EP09713975.2
申请日：2009-02-18
申请人： Asahi Glass Company, Limited
发明人： NISHIKAWA, Toru , YAMAMICHI, Hironobu , KOYAMA, Tetsuya , ENDO, Yuji , ITOH, Hajime
IPC分类号： C03B5/225
CPC分类号： C03B5/2252 , Y02P40/57
摘要： The present invention provides a vacuum degassing apparatus and a vacuum degassing method for molten glass, which can suppress generation of bubbles on an interface between molten glass and a wall face of a conduit for molten glass such as a vacuum degassing vessel, an uprising pipe or a downfalling pipe that constitute a vacuum degassing apparatus, or influence of lowering of vacuum degassing effect due to rise of the level of molten glass in the vacuum degassing vessel, and which can stably exhibit the effect of vacuum degassing.
A vacuum degassing apparatus for molten glass, comprising an uprising pipe, a vacuum degassing vessel, a downfalling pipe, an upstream side pit for supplying molten glass to the uprising pipe, and a downstream side pit for receiving molten glass from the downfalling pipe, wherein the vacuum degassing apparatus for molten glass further comprises a separating mechanism for separating a part of molten glass moving from the downfalling pipe to the downstream side pit, and a returning pipe for returning molten glass separated by the separating mechanism to the upstream side pit.
摘要翻译：本发明提供了一种用于熔融玻璃的真空脱气装置和真空脱气方法，其可以抑制熔融玻璃与用于熔融玻璃的导管的壁面之间的界面上的气泡的产生，例如真空脱气容器，起升管或构成真空脱气装置的下降管，或由于真空脱气容器内的熔融玻璃水平升高而降低真空脱气效果的影响，能够稳定地发挥真空脱气的效果。一种用于熔融玻璃的真空脱气装置，包括上升管，真空脱气容器，下降管，用于向上升管供应熔融玻璃的上游侧凹坑和用于从下降管接收熔融玻璃的下游侧凹坑，其中用于熔融玻璃的真空脱气装置还包括分离机构，用于将从下降管移动的熔融玻璃的一部分分离到下游侧凹坑，以及用于将由分离机构分离的熔融玻璃返回到上游侧凹坑的返回管。

2. 发明授权

EP2228348B1 MOLTEN GLASS PRODUCTION APPARATUS AND MOLTEN GLASS PRODUCTION METHOD USING SAME 有权转让
标题翻译：熔融玻璃生产设备和使用它的熔融玻璃生产方法
公开(公告)号：EP2228348B1
公开(公告)日：2018-02-14
申请号：EP09730811.8
申请日：2009-04-06
申请人： Asahi Glass Company, Limited
发明人： ITOH, Hajime , YAMAMICHI, Hironobu , NISHIKAWA, Toru , NINOMIYA, Kazuo , HAMAMOTO, Hiroaki
IPC分类号： C03B5/04 , C03B5/23 , C03B5/235 , C03B5/225
CPC分类号： C03B5/2252 , C03B5/04 , C03B5/23 , C03B5/2353 , Y02P40/55 , Y02P40/57
摘要： The present invention is to provide a molten glass producing apparatus realizing simultaneously the production of a glass article of high quality and save-energy in producing molten glass, a molten glass producing method employing the molten glass producing apparatus and a method for producing a glass article. In the molten glass producing apparatus having a vacuum degassing apparatus, the melting tank is provided with a separating means for separating the area for circulating the molten glass in the melting tank into an upstream circulation flow and a downstream circulation flow, the distance from the separating means to the downstream end of the molten glass flow path in the melting tank is from 0.1 L F to 0.45 L F where L F represents the length of the molten glass flow path in the melting tank, a wide portion is formed in a first conduit structure at a upstream side in the flowing direction of molten glass, the width of the wide portion being larger than another area of the conduit structure and means for cooling the molten glass passing through the wide portion is disposed in the wide portion.

3. 发明授权

EP2248774B1 VACUUM DEGASSING APPARATUS AND VACUUM DEGASSING METHOD FOR MOLTEN GLASS 有权
标题翻译：装置和熔融玻璃的减压脱泡方法
公开(公告)号：EP2248774B1
公开(公告)日：2012-04-25
申请号：EP09713975.2
申请日：2009-02-18
申请人： Asahi Glass Company, Limited
发明人： NISHIKAWA, Toru , YAMAMICHI, Hironobu , KOYAMA, Tetsuya , ENDO, Yuji , ITOH, Hajime
IPC分类号： C03B5/225
CPC分类号： C03B5/2252 , Y02P40/57
摘要： Provided is vacuum defoaming equipment and a vacuum defoaming method of molten glass wherein the effect of vacuum defoaming can be exhibited stably by limiting an impact due to the fall of a vacuum defoaming effect, caused by generation of bubbles on the interface between molten glass and the wall surface of a vacuum defoaming chamber or a conduit of molten glass such as a riser pipe or a drop pipe that constitute the vacuum defoaming equipment, or caused by level rise of molten glass in the vacuum defoaming chamber. The vacuum defoaming equipment has the riser pipe, the vacuum defoaming chamber, the drop pipe, a upstream-side pit for supplying molten glass to the riser pipe, and a downstream-side pit for receiving molten glass from the drop pipe, characterized in that a separation mechanism for separating a portion of molten glass moving from the drop pipe to the downstream-side pit, and piping for returning molten glass separated by the separation mechanism back to the upstream-side pit.

4. 发明公开

EP2228348A1 MOLTEN GLASS PRODUCTION APPARATUS AND MOLTEN GLASS PRODUCTION METHOD USING SAME 有权转让
标题翻译：设备技术玻璃熔融产生融合玻璃的制造和方法
公开(公告)号：EP2228348A1
公开(公告)日：2010-09-15
申请号：EP09730811.8
申请日：2009-04-06
申请人： Asahi Glass Company, Limited
发明人： ITOH, Hajime , YAMAMICHI, Hironobu , NISHIKAWA, Toru , NINOMIYA, Kazuo , HAMAMOTO, Hiroaki
IPC分类号： C03B5/225
CPC分类号： C03B5/2252 , C03B5/04 , C03B5/23 , C03B5/2353 , Y02P40/55 , Y02P40/57
摘要： The present invention is to provide a molten glass producing apparatus realizing simultaneously the production of a glass article of high quality and save-energy in producing molten glass, a molten glass producing method employing the molten glass producing apparatus and a method for producing a glass article.
In the molten glass producing apparatus having a vacuum degassing apparatus, the melting tank is provided with a separating means for separating the area for circulating the molten glass in the melting tank into an upstream circulation flow and a downstream circulation flow, the distance from the separating means to the downstream end of the molten glass flow path in the melting tank is from 0.1 L F to 0.45 L F where L F represents the length of the molten glass flow path in the melting tank, a wide portion is formed in a first conduit structure at a upstream side in the flowing direction of molten glass, the width of the wide portion being larger than another area of the conduit structure and means for cooling the molten glass passing through the wide portion is disposed in the wide portion.
摘要翻译：本发明是提供一种熔融玻璃制造装置同时实现生产高品质的玻璃制品的和节省能量在生产熔融玻璃，熔融玻璃制造方法用人的熔融玻璃制造装置及用于制造玻璃制品的方法，在具有减压脱泡装置的熔融玻璃制造装置中，提供熔化槽与分离装置，用于在熔融槽中循环的熔融玻璃在上游循环流和下游侧循环流，从分离的距离分开的区域装置以在熔化槽的熔融玻璃流路的下游端部从0.1 LF至0:45 LF其中LF darstellt在熔化槽的熔融玻璃流路的长度，宽部分设置在第一导管结构中所形成的在熔融玻璃的流动方向上游侧，所述宽部分比所述导管的结构和装置，用于冷却所述熔融玻璃穿过宽部的另一区域更大的宽度宽部被布置。

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