FEEDER FOREHEARTH PRINCIPLE AND OPERATION (INTRODUCTORY TRAINING)

As the fined glass melt exits the furnace through the throat, it enters the conditioning area. For many glass products such as containers, glassware, or glass wool, thermal conditioning is achieved in the forehearth. The goal of the forehearth is to deliver a homogeneous glass at the right temperature to the outlet. Forehearths can also be used to produce colored glass by mixing frits directly into the melt. The glass delivery must be well-controlled in stable operati on, before and aft er a job change.

This course gives an overview of the different parameters that can be used to control a feeder in an optimal way.

Contents:

Thermal transfer and temperature homogeneity
Gas and electrical boosting
Pressure and safety
Devitrification at the cold spots
Mixing and coloring
Equipment and measurement devices
Control and automation

Trainers

Christian Räbiger

Christian Räbiger studied process engineering at the Technical University of Freiberg, specializing in glass, ceramics, and building materials. He joined the technology department of Sorg for 8 years where he designed, modeled, and optimized multiple glass furnaces to improve the energy demand and production quality. He also offered troubleshooting and technical support. He then moved to Swarco for 4 years. His activities included planning furnace reconstructions and new furnaces, R&D, and project work. In 2023, he joined CelSian as technical director for the EU area.

FEEDER FOREHEARTH PRINCIPLE AND OPERATION (INTRODUCTORY TRAINING)

Company information

Participant information