New Opportunities in Handling Pelletized MaterialsBulk Ports, Terminals & Logistics 2013
Prof. Dr.-Ing. H. Lieberwirth | Dipl.-Ing. J. Lampke
TU Bergakademie Freiberg | Institut für Aufbereitungsmaschinen | Lampadiusstr. 4 | 09599 Freiberg | Telefonnummer: 03731 / 39-2558 |URL: tu-freiberg.de/fakult4/iam | Prof. Dr.-Ing. Lieberwirth
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The Ressource University
Business Administration
Innovation management
Economy / Ecology
Value creation
Fields Academic Disciplines
Mathematics / Natural
Sciences
Characterization Simulation Modeling
VisualizationSynthesis
Engineering
MachinesPlants
ProcessingTechnologies
Raw materialssupply chain
ENVIRONMENT
MATERIALS
GEOSCIENCES
ENERGY
Extraction
Finishing/Processing
Exploration
Preparation
Recycling
Academic Profile
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Institute for Mineral Processing Machines
Main Research Fields
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Comminution
Classification
Separation
Mixing
Agglomeration
Storage and materials handling
Geo
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HAVER Engineering
Wet processing Pelletizing
Basic research in mineral processing
Development of new or optimized processes and machines
Solutions to client tasks and challenges
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Challenges when handling, shipping or storing fine-grained or powdery
materials:
Dust emmissions
Clocking chutes
Avalanges during reclaimation
Segregation
Undefined Porosity/ Permeability
The Challenge
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Pelletizing
Starting situation:
Powdery products < 100 µm
From:
Raw materialRemnantsRecycling material
Target:
Creation of lumpy products with special
properties easy to deal with during:
Transport Processing Handling
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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
Advantages of Agglomerated Materials
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Example of pilot scale trials
KGV - Harzmetall
0102030405060708090
100
0 5 10 15 20
Pelletgröße in mm
Vo
lum
en
an
teil
in
%
Probe 1 - Zeitpunkt 2
Probe 2 - Zeitpunkt 3
gra
in s
ize
dis
trib
utio
n [
%]
grain size [mm]
0102030405060708090
100
0 5 10 15 20
Probe 1 - Zeitpunkt 2
Probe 2 - Zeitpunkt 3
Sample 1
Sample 2
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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
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Dipl.-Ing. J. LampkeHAVER Engineering GmbH
Poststraße 1
01662 Meißen
Tel.: +49 3521-409 399 18
Mail: [email protected]
Prof. Dr.-Ing. H. LieberwirthTU Bergakademie Freiberg
Institut für Aufbereitungsmaschinen
Lampadiusstraße 4
09599 Freiberg
Tel.: +49 3731-39 2528
Mail: [email protected]
Questions