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Tackling batch dust in hybrid furnaces at Furnace Design Seminar

Fives and CelSian will unveil advanced combustion chamber design at the International Seminar on Furnace Design, taking place on June 18-19, 2025, in Velké Karlovice, Czech Republic. This biennial event gathers over 150 glass industry experts from different countries to discuss the latest innovations in glass melting simulation and process control.

A cleaner and more efficient melting

Hybrid furnaces offer significant energy savings by operating at lower combustion temperatures. However, this benefit introduces a new challenge: delayed glazing of the batch surface allows fine dust particles to remain airborne in the combustion space, reducing furnace efficiency and potentially impacting glass quality.

Based on extensive laboratory experiments and CFD modeling, Fives and CelSian propose a novel combustion chamber design that effectively eliminates flue gas recirculation and optimizes the extraction of carry-over dust — even on large unglazed batch surfaces.

This breakthrough supports cleaner, more efficient melting in hybrid furnaces, helping to reduce emissions, protect furnace integrity, and lower operational costs.

Don’t miss the presentation by Syntia Mechueng Kamdem, R&D Engineer at Fives Stein, and Christian Räbiger from CelSian, who will show carry over simulations for conventional and improved combustion space design.

🗓️ June 18, 2025 – 17:00 local time
📍 Wellness Hotel Horal, Velké Karlovice, Czech Republic

🔗More information Seminar 2025 - Glass Service