Mechanical developments for a zero emission of lubricants d... · 2018-04-03 · AMAZONE (2012)...
Transcript of Mechanical developments for a zero emission of lubricants d... · 2018-04-03 · AMAZONE (2012)...
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Mechanical developments for a zero emission of lubricants
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Case d’Artagnan
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Case d’Artagnan
CONTRACT SPECIFICATION
O30 GREASING SYTEMS
The mechanical components of the dredging system are designed for
functioning without or with reduced continuous greasing.
Greasing points, where regular or continuous greasing is required, are
connected to a central automatic 2-line greasing system.
If the grease flow is important, used grease will be led to a collecting
point for removal, if necessary with piping.
20032003
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Challenge“Force back the grease consumption of dredging equipment on
board of CSD d’Artagnan by mechanical re-engineering”
100 to 300 kg/wk = 160.000 to 500.000 liter / dredger life timeRANKING OIL SPILL CATASTROPHES ?
<<Foto van vettige dekmachinerie>>
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The logical first The logical first
stepstep……
Intermediate Intermediate
bearings of the bearings of the
cutter shaftcutter shaft
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New application of a known bearing arrangement
dd’’ArtagArtag
nannan
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Thordon Composite
dd’’ArtagArtag
nannan
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<<foto spud carrier op wielen>>
Inevitable second stepInevitable second step……
Spud carrier systemSpud carrier system
Common system on wheels
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The spud carrier of The spud carrier of
dd’’ArtagnanArtagnan travels on travels on
synthetic sliding padssynthetic sliding pads
Synthetic sliding pads
dd’’ArtagArtag
nannan
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Frictional resistance is Frictional resistance is
reduced by a reduced by a
biodegradable greasebiodegradable grease
Spud carrier on a sliding frame
dd’’ArtagArtag
nannan
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Logical sequenceLogical sequence……
The swivel bendThe swivel bend
Old design of the swivel bend
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Swivel bend
dd’’ArtagArtag
nannan
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Swivel bend
dd’’ArtagArtag
nannan
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Barge loading system
dd’’ArtagArtag
nannan
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Anchor boom pivots: maintenance free spherical plain bearings
Other hinged Other hinged
connectionsconnections
dd’’ArtagArtag
nannan
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Anchor boom pivots: maintenance free spherical plain bearing
Anchor boom Anchor boom
pivotspivots
dd’’ArtagArtag
nannan
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Old design on the continuous grease system
Ladder Ladder trunniontrunnion::
Old designOld design
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Ladder trunnion bearing arrangement: greased but with care
Ladder Ladder trunniontrunnion
dd’’ArtagnanArtagnan: :
non maintenance free non maintenance free
spherical bearingsspherical bearings
dd’’ArtagArtag
nannan
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Old design on the continuous grease system
Classical problemClassical problem……
The side sheavesThe side sheaves
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Side sheaves: oil bath with gravitation tank in combination with special mechanical seal
Side sheaves on Side sheaves on
dd’’ArtagnanArtagnan
dd’’ArtagArtag
nannan
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Side sheaves: oil bath with gravitation tank in combination with special mechanical seal
dd’’ArtagArtag
nannan
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Side wire guiding sheaves: oil bath roller bearings in combination with synthetic sliding bearing
dd’’ArtagArtag
nannan
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Side wire guiding sheaves: oil bath roller bearings in combination with synthetic sliding bearing
dd’’ArtagArtag
nannan
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The spud hoisting system on d’Artagnan: a traditional clamp system based on friction and lever working…
High technology needed High technology needed ……
The spud hoisting systemThe spud hoisting system
dd’’ArtagArtag
nannan
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but with surface hardened stainless steel bushes.
dd’’ArtagArtag
nannan
dd’’ArtagArtag
nannan
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Traditional system: sealing/greasing on the continuous greasing system
The most difficult The most difficult
obstacleobstacle……
Underwater pump bearing Underwater pump bearing
and gearbox sealand gearbox seal
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sealing/greasing system underwater pump bearing and gearbox output shaft
dd’’ArtagArtag
nannan
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dd’’ArtagArtag
nannan
sealing system underwater pump bearing and gearbox output shaft
Connected to atmospheric drain tank
Liquidyne seal
Connected to expansion tank just above bearing
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dd’’ArtagArtag
nannan
sealing system underwater pump bearing
Connected to atmospheric drain tank
Liquidine seal
Connected to expansion tank just above bearing
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Case d’Artagnan
CONTRACT SPECIFICATION
O30 GREASING SYTEMS
The mechanical components of the dredging system are designed for
functioning without or with reduced continuous greasing.
Greasing points, where regular or continuous greasing is required, are
connected to a central automatic 2central automatic 2--line greasing systemline greasing system.
If the grease flow is important, used grease will be led to a collecting point
for removal, if necessary with piping.
NO CENTRAL GREASING SYSTEM d’ARTAGNAN (2005)
AMBIORIX (2012)
AL JARRAF (2011)AMAZONE (2012)
GREASE GUN WITH ELECTRONIC DOSING COUNTER
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Harmful lubricant emission eliminated
ResultResult