发明名称 |
GLASS MELTING FURNACE AND METHOD FOR PRODUCING GLASS |
摘要 |
<p>A charged glass raw material B is melted in a melting tank 10 by heating with a burner 31 and by heating with electrodes 12, to form molten glass G. Then, the molten glass G flows into a tank additionally provided as a noble gas dissolving tank 20 through a throat 40. The noble gas dissolving tank 20 is provided with a noble gas dissolving device 53, and the noble gas dissolving device 53 is provided with sixteen noble gas inlets 22 for introducing a helium or neon gas supplied to a hearth through heat resistant gas introduction tubes 21 into the noble gas dissolving tank 20. Bubbles of a helium gas A having a purity of 99% are blown out from the noble gas inlets 22 in volumes such that the bubbles have an average diameter of 80 mm or less in the molten glass G.</p> |
申请公布号 |
EP1577270(A1) |
申请公布日期 |
2005.09.21 |
申请号 |
EP20030812327 |
申请日期 |
2003.11.28 |
申请人 |
NIPPON ELECTRIC GLASS CO., LTD. |
发明人 |
TAKAGI, MASATAKA;YOSHIDA, NORIYUKI;AKIMOTO, TAKAMASA;TAKAYA, TATUYA |
分类号 |
C03B5/187;C03B5/193;C03B5/225;(IPC1-7):C03B5/225 |
主分类号 |
C03B5/187 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|