公开(公告)号：US20100251772A1

公开(公告)日：2010-10-07

申请号：US12820171

申请日：2010-06-22

申请人： Hajime Itoh ,  Hironobu Yamamichi ,  Toru Nishikawa ,  Kazuo Ninomiya ,  Hiroaki Hamamoto

发明人： Hajime Itoh ,  Hironobu Yamamichi ,  Toru Nishikawa ,  Kazuo Ninomiya ,  Hiroaki Hamamoto

IPC分类号： C03B37/014 ,  C03B37/00

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 LE to 0.45 LF where LF 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： 本发明提供一种熔融玻璃制造装置，同时实现高品质玻璃制品的生产和节能生产熔融玻璃，使用熔融玻璃制造装置的熔融玻璃制造方法和玻璃制品的制造方法 。 在具有真空脱气装置的熔融玻璃制造装置中，熔融槽设置有用于将熔融槽中的熔融玻璃循环的区域分离成上游循环流和下游循环流的分离装置， 在熔化槽中熔融玻璃流路的下游端的装置为0.1LE至0.45LF，其中LF表示熔融槽中的熔融玻璃流路的长度，宽的部分形成在第一导管结构中 在熔融玻璃的流动方向的上游侧，宽部分的宽度大于导管结构的另一区域，并且用于冷却通过宽部分的熔融玻璃的装置设置在宽部分中。

公开(公告)号：US08720229B2

公开(公告)日：2014-05-13

申请号：US12895930

申请日：2010-10-01

申请人： Rei Kitamura ,  Hironobu Yamamichi ,  Hiroaki Hamamoto ,  Hajime Itoh ,  Housaku Yonetsu

发明人： Rei Kitamura ,  Hironobu Yamamichi ,  Hiroaki Hamamoto ,  Hajime Itoh ,  Housaku Yonetsu

IPC分类号： C03B5/225

CPC分类号： C03B5/2252 ,  C03B5/2257

摘要： A vacuum degassing apparatus having a throughput of at least 200 tons/day without causing problems such as a stagnation of molten glass flow in the molten glass flow path, an increment of flow rate of the molten glass flow in a local area, an excessive increment of pressure loss of the molten glass flow.A vacuum degassing apparatus comprises a vacuum degassing vessel, and an uprising pipe and a downfalling pipe which are connected with the vacuum degassing vessel, wherein the vacuum degassing vessel includes a wide portion for providing a molten glass flow path, and in the wide portion, the proportion W1/L1 of the breadth of molten glass flow path W1 to the length of molten glass flow path L1 is at least 0.2 and that in the vacuum degassing vessel, the breadth of molten glass flow path W2 of the portion connected with the uprising pipe and the breadth of molten glass flow path W3 of the portion connected with the downfalling pipe are narrower than the breadth of molten glass flow path W1 in the wide portion, and the position of the bottom of molten glass flow path of the portion connected with the uprising pipe and the position of the bottom of molten glass flow path of the portion connected with the downfalling pipe are lower than the position of the bottom of molten glass flow path of the wide portion.

摘要翻译： 具有至少200吨/天的生产量的真空脱气装置，不会引起熔融玻璃流道中的熔融玻璃流停滞，局部熔融玻璃流量的增加，过度增量 的熔融玻璃流的压力损失。 真空脱气装置包括真空脱气容器，与真空脱气容器连接的上升管和下降管，其中真空脱气容器包括用于提供熔融玻璃流动路径的宽部分，并且在宽部分中， 熔融玻璃流路W1的宽度与熔融玻璃流路L1的长度的比例W1 / L1为至少0.2，而在真空脱气槽中，与上升部分连接的部分的熔融玻璃流路W2的宽度 管道和与下降管连接的部分的熔融玻璃流动路径W3的宽度比宽部分中的熔融玻璃流动路径W1的宽度窄，并且该部分的熔融玻璃流动路径的底部位置与 上升管和与下降管连接的部分的熔融玻璃流动路径的底部的位置低于熔融玻璃流动路径的底部的位置 的广泛部分。