Methods for melting reactive glasses and glass-ceramics and melting apparatus for the same
US11878932B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 23, 2022 |
| Grant date | Jan 23, 2024 |
| Priority date | — |
| Expiry date | Jun 4, 2042 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC03B2211/70
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A method of melting glass and glass-ceramics that includes the steps: conveying a batch of raw materials into a submerged combustion melting apparatus, the melting apparatus having liquid-cooled walls and a floor; directing a flame into the batch of raw materials and the melted batch with sufficient energy to form the raw materials into the melted batch; and heating a delivery orifice assembly in the floor of the submerged melting apparatus to convey the melted batch through the orifice assembly into a containment vessel. The melted batch has a glass or glass-ceramic composition that is substantially reactive to a refractory material comprising one or more of silica, zirconia, alumina, platinum and platinum alloys.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.