Stahlinstitut VDEh https://vdeh.de/en/steel-academy/seminars/programme/ – 10.11.2025

Programme and Registration

Programme and Registration

November23

Refractory Technology

Applications, Wear Mechanism and Failures

Nov 23rd, 2025 – Nov 26th, 2025seminar in english

A seminar where industry experts and professionals come together to discuss the crucial role of refractory materials in steel production, focusing on potential damage and increasing the durability of refractory materials in various processes.

Here are the key highlights from the seminar:
Steel Manufacturing Process, Wear Mechanisms and Methods for Examination of Refractory Materials, Refractory Lining and Wear Mechanism in Blast Furnaces, Refractory Materials for Direct Reduction Plants, Process Conditions Affecting Refractory Lining Life, Refractory Technology in Oxygen Blowing Converters, Steel Teeming Ladles: Metallurgical Treatment and Refractory Stress, Refractory Lining and Wear in AC and DC Furnaces, Economics in Refractory Usage

more information

December02

Electrical Engineering of Arc Furnaces

NH Düsseldorf City North

Dec 2nd, 2025 – Dec 4th, 2025seminar in english

- Importance of the EAF in hydrogen concepts
- Physics of AC and DC arcs
- Design of the AC high-current system
- Equivalent circuit diagram of AC-EAF & OBF
- Short circuit and operating reactance
- Design of the AC high-current system
- Power supply for EAF and requirements for the supply network
- Excursus: New energy supply concepts for the EAF
- Furnace transformers
- Circle and furnace power diagram of AC-EAF
- Electrical layout of AC Furnaces
- Melting of DRI and HBI in the EAF
- Comparison EAF vs. OBF/Smelter
- Closed loop power control of AC-furnaces
- Electric principles of DC-furnaces
- Energy balance of the EAF
- Exercise: Electrical design of an AC-EAF

more information

February03

Iron Ores

- online -

Feb 3rd, 2026 – Feb 4th, 2026seminar in english

• Types, characteristics and chemical compositions of iron ores
• Resources and deposits of iron ores
• Thermodynamics and kinetic fundamentals of iron ore reduction
• Sintering of iron ores
• Pelletizing of iron ores
• The blast furnace process
• Various blast furnace operations modes round the world
• Iron ores for direct reduction and hydrogen-based reduction

more information

March03

Hydrogen-based transformation of the steel industry

NH Düsseldorf City North

Mar 3rd, 2026 – Mar 5th, 2026seminar in english

Content:
● Ways to CO2 neutral steel production
● Iron ores for (hydrogen-based) direct reduction
● Technologies of current direct reduction concepts
● Reduction technologies of iron ore fines with hydrogen
● Green ironmaking with hydrogen and ammonia
● Hydrogen as a challenging atmosphere for refractories
● Electric arc furnace technology - AC and DC
● Technology of the OBF (Smelter)
● Melting of DRI and HBI in the EAF
● Future importance of steel scrap
● Project SALCOS: Steelmaking route DR - EAF
● Project tkH2Steel: Steelmaking route DR - OBF - Converter
● Slags of CO2 neutral steel production
● Hydrogen production, transport and storage – case study Germany
● Green power production and availability
● Decarbonisation of downstream processes – H2 burner

more information

April27

Refractory Technology - Refractory Materials and Slags in Metallurgy

NH Düsseldorf City

Apr 27th, 2026 – Apr 29th, 2026seminar in english

Content:
• Basics on chemical and mineralogical composition of refractory material and slag
• Testing and evaluation of refractory materials
• Synthetic alumina raw material and high alumina cement
• Insulating materials for the steel industry
• The world of monolithics
• Machines for processing and delivering refractory con-cretes and sprayable refractories
• Basic bricks for the steel industry
• Production and Use of Blast Furnace Slags and Steel Slags
• Blast furnace slag and refractory material
• Converter slag and refractory material in the oxygen blowing process
• Electric arc furnace: Unit for low-CO2 steel production
• Ladle slag and refractory material in secondary metallur-gy
• Limestone minerals, lime and dolime and their use in the Iron and Steelmaking

more information