Refiner and glass melting plant

US10384971B2 · kind B2 · utility

Assignee

• Beteiligungen Sorg GmbH & Co. KG · DE

Inventors

• Alexander Sorg · Aschaffenburg, DE
• Matthias Lindig · Ingelheim am Rhein, DE

Key dates

• Filing date: Jun 6, 2016
• Grant date: Aug 20, 2019
• Expiry date: May 5, 2037

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C03B5/2356
• WIPO field: Other special machines
• WIPO sector: Mechanical engineering

Abstract

A glass melting plant refiner for thermal post-treatment of a glass melt containing bubbles, in particular for the production of fiberglass. To reduce the glass melt bubble content produced by submerged combustion burners, a refiner forms a glass melt tank, the glass melt flowing through the tank in a transport direction. The tank has a floor, side walls and a superstructure. A barrier, forming a raised floor part, runs essentially in the transport direction. The barrier forms, at each lateral side, a channel-shaped constriction with the side walls, a width of each constriction transverse to the transport direction being at most 0.45 times the tank width. At least one first fossil fuel heater heats the glass melt from above. At least one second electrical heating device, in each side wall and/or in the floor of the tank in the region of each constriction, extends into the glass melt.