John Spreadborough - JS13 Engineering
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Transcript of John Spreadborough - JS13 Engineering
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Troughed Belt Conveyors
with
Minimum Cord Pitch
John Spreadborough | Principal Engineer - Materials Handling
Conveyors 2014, Brisbane, 23 – 24 Sept 2014
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Characterisation of Troughed Belt Conveyors
Lift v Length – HLCs, OLCs
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Characterisation of Troughed Belt Conveyors
Lift v Feed Rate
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Characterisation of Troughed Belt Conveyors
Length v Feed Rate
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Characterisation of Troughed Belt Conveyors
Statement
The length, lift, power and cost characteristics
of
troughed belt conveyors are dependent on
the strength and weight properties of the
conveyor belt.
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Characterisation of Troughed Belt Conveyors
Statement
The highest lift belt conveyors
are of steel cord construction.
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Characterisation of Troughed Belt Conveyors
Steel Cord Belt Construction – AS1333
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Characterisation of Troughed Belt Conveyors
Steel Cord Belt Construction
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Characterisation of Troughed Belt Conveyors - HLCs
Lift v Feed Rate – AS1333 Cord Pitch
troughing limit
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Characterisation of Troughed Belt Conveyors - HLCs
Lift/Demand Power v Feed Rate – AS1333 Cord Pitch
demand power (MW) troughing limit
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Characterisation of Troughed Belt Conveyors - HLCs
Lift/Belt Cost v Feed Rate – AS1333 Cord Pitch
belt cost ($/m)/100 troughing limit
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Characterisation of Troughed Belt Conveyors - HLCs
Lift v Feed Rate – AS1333 Cord Pitch - Basis for Comparison
troughing limit
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Characterisation of Troughed Belt Conveyors - HLCs
Lift v Feed Rate – AS1333 Cord Pitch - Basis for Comparison
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Characterisation of Troughed Belt Conveyors - HLCs
Proposition
troughing limit
Steel cord belts for
high lift conveyors fabricated with
minimum cord pitch offer significant
cost advantages
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Characterisation of Troughed Belt Conveyors - HLCs
Lift v Feed Rate - Min Cord Gap
troughing limit
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Characterisation of Troughed Belt Conveyors - HLCs
Lift/Demand Power v Feed Rate – Min Cord Gap
demand power (MW) troughing limit
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Characterisation of Troughed Belt Conveyors - HLCs
Lift/Belt Cost v Feed Rate – Min Cord Gap
belt cost ($/m)/100 troughing limit
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Characterisation of Troughed Belt Conveyors - HLCs
Lift v Feed Rate – Min Cord Gap – Basis for Comparison
troughing limit
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Characterisation of Troughed Belt Conveyors - HLCs
Lift v Feed Rate – Min Cord Gap - Comparison
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Characterisation of Troughed Belt Conveyors - OLCs
Statement
The longest belt conveyors
are of steel cord construction.
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Characterisation of Troughed Belt Conveyors - OLCs
Length v Feed Rate – AS1333 Cord Pitch
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Characterisation of Troughed Belt Conveyors - OLCs
Length/Demand Power v Feed Rate – AS1333 Cord Pitch
demand power (MW)
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Characterisation of Troughed Belt Conveyors - OLCs
Length/Belt Cost v Feed Rate – AS1333 Cord Pitch
belt cost ($/m)/100
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Characterisation of Troughed Belt Conveyors - OLCs
Length v Feed Rate – AS1333 Cord Pitch - Basis for Comparison
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Characterisation of Troughed Belt Conveyors - OLCs
Length v Feed Rate – Basis for Comparison
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Characterisation of Troughed Belt Conveyors - OLCs
Proposition
Steel cord belts for
overland conveyors fabricated with
minimum cord pitch offer significant
cost and power advantages
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Characterisation of Troughed Belt Conveyors - OLCs
Lift v Feed Rate - Min Cord Gap
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Characterisation of Troughed Belt Conveyors - OLCs
Length/Demand Power v Feed Rate – Min Cord Gap
demand power (MW)
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Characterisation of Troughed Belt Conveyors - OLCs
Length/Belt Cost v Feed Rate – Min Cord Gap
belt cost ($/m)/100
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Characterisation of Troughed Belt Conveyors - OLCs
Length v Feed Rate – Min Cord Gap – Basis for Comparison
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Characterisation of Troughed Belt Conveyors - OLCs
Length v Feed Rate – Min Cord Gap - Comparison
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Characterisation of Troughed Belt Conveyors
Highlights – Min Cord Gap cf AS1333 Cord Pitch
for HLC, hard rock, 10000 t/h, 2000 m lift, 1 stream, 5 flights:
- belt cost: -23% 2200 ST6300 ST6300CG4
- demand power: -1% 64.9 63.9 MW
for OLC, coal, 16000 t/h, 60 km length, 1 stream, 5 flights:
- belt cost: -22% 2800 ST3150 ST2800CG4
- demand power: -6% 41.7 38.9 MW
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