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Utilisation of the -8+5mm Sishen iron ore fraction in the Sintering process September 2008 Andre Dippenaar PowerPoint Presentation
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Utilisation of the -8+5mm Sishen iron ore fraction in the Sintering process September 2008 Andre Dippenaar - PowerPoint PPT Presentation


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Utilisation of the -8+5mm Sishen iron ore fraction in the Sintering process September 2008 Andre Dippenaar. Sishen mine products : Lump ore: -25+8mm Fine ore: -5mm Intermediate fraction: -8+5mm. Introduction. Pilot Plant Sinter Pot tests Bc sinter – 50% fine Thaba, 50% fine Sishen

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Utilisation of the -8+5mm Sishen iron ore fraction in the Sintering processSeptember 2008Andre Dippenaar

introduction
Sishen mine products:

Lump ore: -25+8mm

Fine ore: -5mm

Intermediate fraction: -8+5mm

Introduction
slide3
Pilot Plant Sinter Pot tests

Bc sinter – 50% fine Thaba, 50% fine Sishen

Coarse Sinter - Half of fine Sishen replaced with coarse Sishen50% fine Thaba, 25% fine Sishen, 25% coarse Sishen

Concentrate additions – 5, 10 and 15 %

experimental procedure
Sinter spesifications

% SiO2 5.2

% MgO 0.77

% FeO 8.0

Basicity %CaO/SiO2 = 2.0

Experimental Procedure
experimental procedure5
Sinter working procedures

Sinter outputs

Tests on sinter product

Experimental Procedure
results
Identification of the different pot tests:

Fine Sishen sinters

FS 0C - Base case sinter with 50% Fine Sishen and 0% Concentrate

FS 5C - Fine sinter with 45% Fine Sishen and 5% Conc.

Coarse Sishen sinters

CS 0C - Coarse sinter with 25%Fine Sishen, 25% Coarse Sishenand 0% Conc.

CS 5C - Coarse sinter with 20%Fine Sishen, 25% Coarse Sishenand 5% Conc

CS 10C - Coarse sinter with 15% Fine Sishen, 25% Coarse Sishenand 10% Conc.

CS 15C - Coarse sinter with 10%Fine Sishen, 25% Coarse Sishenand 15% Conc

Results
results8
Results

Raw material Mixture Sieve analyses

  • FS 0C – 2.5 mm
  • CS 0C – 3.23 mm