Stahlinstitut VDEh https://vdeh.de/en/steel-academy/seminars/programme/ – 30.12.2024

Programme and Registration

Programme and Registration

February04

Iron Ores

Online seminar from the VDEh film studio

Feb 4th, 2025 – Feb 5th, 2025seminar 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

February18

Electrical Engineering of Arc Furnaces

Power unit for CO2 neutrality

Feb 18th, 2025 – Feb 20th, 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/SAF
- Short circuit and operating reactance
- Design of the AC high-current system
- Power supply of 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
- Design and electrical system of the OBF/SAF
- Comparison of CO2 neutral routes: DR - EAF versus DR - OBF - Converter
- Closed loop power control of AC-furnaces
- Electric principles of DC-furnaces
- Energy Balance of the Electric Arc Furnace
- Comparism EAF-OBF/Smelter

more information

April01

Hydrogen-based transformation of the steel industry

Technology and challenges of CO2 neutral steelmaking

Apr 1st, 2025 – Apr 3rd, 2025seminar 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

April28

Refractory Technology

Refractory Materials And Slags in Metallurgy

Apr 28th, 2025 – Apr 30th, 2025seminar 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

July01

Blast Furnace Ironmaking

Online seminar from the VDEh film studio

Jul 1st, 2025 – Jul 3rd, 2025seminar in english

CONTENT
• Crash course materials chemistry
• Chemical and physical processes in blast furnace
• Blast furnace construction and equipment
• Injection of reducing agents into the blast furnace
• Blast furnace operation
• Resources and types of iron ores
• Sintering, pelletizing
• Coal, cokemaking and requirements on coke
• Blast furnace performance
• Various blast furnace operations modes round the world
• CO2-minimized blast furnace processes, CCU, CCS
• Slags
• Recycling (Fines, dusts, etc.)
• Environmental aspects

more information