New Opportunities in Handling Pelletized Materials Bulk Ports, Terminals & Logistics 2013 Prof. Dr.-Ing. H. Lieberwirth | Dipl.-Ing. J. Lampke TU Bergakademie Freiberg | Institut für Aufbereitungsmaschinen | Lampadiusstr. 4 | Freiberg | Telefonnummer: / | URL: tu-freiberg.de/fakult4/iam | Prof. Dr.-Ing. Lieberwirth

1.Introduction 2.The Challenge 3.Pelletizing Solutions 4.New Opportunities 2 Agenda

1.Introduction 2.The Challenge 3.Pelletizing Solutions 4.New Opportunities 3 Agenda

Since 1765 – Research for a better Future 4 Technical University Bergakademie Freiberg

5 The Ressource University Business Administration Innovation management Economy / Ecology Value creation FieldsAcademic Disciplines Mathematics / Natural Sciences Characterization Simulation Modeling Visualization Synthesis Engineering Machines Plants Processing Technologies Raw materials supply chain ENVIRONMENT MATERIALS GEOSCIENCES ENERGY Extraction Finishing/ Processing Exploration Preparation Recycling Academic Profile

6 Institute for Mineral Processing Machines Main Research Fields 6  Comminution  Classification  Separation  Mixing  Agglomeration  Storage and materials handling Geo

7 HAVER Engineering Wet processingPelletizing  Basic research in mineral processing  Development of new or optimized processes and machines  Solutions to client tasks and challenges

1.Introduction 2.The Challenge 3.Pelletizing Solutions 4.New Opportunities 8 Agenda

9 If your material is dusty …

10 … really dusty …

11 …pelletizing could be a solution!

Challenges when handling, shipping or storing fine-grained or powdery materials:  Dust emmissions  Clocking chutes  Avalanges during reclaimation  Segregation  Undefined Porosity/ Permeability 12 The Challenge

1.Introduction 2.The Challenge 3.Pelletizing Solutions 4.New Opportunities 13 Agenda

14 Fields of Agglomeration Press Agglomeration SinteringPelletizing

15 Pelletizing Starting situation: Powdery products < 100 µm From:  Raw material  Remnants  Recycling material Target: Creation of lumpy products with special properties easy to deal with during:  Transport  Processing  Handling

16 Mechanisms of Pelletizing

17 Pelletizing Drum

18 Pelletizing Disc

19 Pelletizing process

1.Introduction 2.The Challenge 3.Pelletizing Solutions 4.New Opportunities 20 Agenda

21 Adjustable to Very Specific Requirements

 Storing, handling and dosing properties  Defined particle size and particle shape  Dust-free  Free-flowing  Avoiding segregation  Adjusting porosity and density  Production of narrow grain size distributions  Upgraded market value 22 Advantages of Agglomerated Materials

23 Example of pilot scale trials grain size distribution [%] grain size [mm] Sample 1 Sample 2

24 Example of production scale Diameter:7500 mm Side panel height:400 – 900 mm Total weight:45 – 55 t Capacity:~ 150 t /h Production rate:~ 70 % Recycling load:~ 30 % Inclination:40 – 65 ° Rotation speed:1 – 10 rpm Liners:autogenously / PE plates Scrapers:static Installed power:185 – 255 kW

25 Examples of Pelletizing new Materials

26 Thank you!

Dipl.-Ing. J. Lampke HAVER Engineering GmbH Poststraße Meißen Tel.: Mail: 27 Prof. Dr.-Ing. H. Lieberwirth TU Bergakademie Freiberg Institut für Aufbereitungsmaschinen Lampadiusstraße Freiberg Tel.: Mail: Questions