Transcription of Cone Crusher Modelling
1 SME Arizona Conference 2004 Quarry Academy 2005 cone Crusher cone Crusher ModellingModellingMagnus EvertssonApplied MechanicsChalmers University of TechnologyG teborg, Sweden2 Quarry Academy 2005 BackgroundAggregate producers on the Swedish west-coast requiredmore knowledge of cone crushers startedin December Academy 2005 cone CrushersCone crushers =Size Reduction Mechanical mineral liberation - mining Aggregate production - quarries4 Quarry Academy 2005 cone CrushersCrushing plant - Mining5 Quarry Academy 2005 cone CrushersCrushing plant - Aggregate6 Quarry Academy 2005 History 1954 Fred Bond s WI 1954 Gauldie 1970 Bill Whiten 1991 Ted Bearman7 Quarry Academy 2005 ObjectivesFundamentals Prediction of particle size distribution Prediction of crushing pressure distributions Prediction of
2 Crushing forces Prediction of power drawDesign considerations Utilization of compressive size reduction in cone crushers Energy efficient crushing Robust performance over total liner lifetime8 Quarry Academy 2005 ProductFeedPowerCross-section of a cone crusherOperating Principle9 Quarry Academy 2005 Operating Principle10 Quarry Academy 2005 Operating Principle11 Quarry Academy 2005 Operating PrincipleXFlowXTemperatureUp/downL/RDepe ndencies for a water interdependency matrix system is easy to control12 Quarry Academy 2005 Operating PrincipleDependencies for a cone Academy 2005 Crusher ModelRock MaterialCrusherDynamicsCrusherDesignPerf ormancePressureWearSizeReduction14 Quarry Academy 2005 Crusher ModelThe crushing process can be described with two S which?
3 Breakage B how?15 Quarry Academy 2005 Crusher Model16 Quarry Academy 2005 Rock Breakage BehaviorFFbsForm conditionedcompression-displacement controlled(),FFs =ssbsize distribution width ==17 Quarry Academy 2005 Rock Breakage Behaviour18 Quarry Academy 2005 Rock Breakage Behaviour19 Quarry Academy 2005 Rock Breakage Behavior()22222123456,psasasas asasassize distribution width =+++++=Multi (inter) particle-pressure response20 Quarry Academy 2005 Rock Breakage Behavior()()3212,kFsd d ks ksscompression ratiodparticlesize =+==00. 050. 10. 16-19o tests- simulationsSingle particle-force responses/bF [N]21 Quarry Academy 2005 Crushing Pressure and Power Drawc OSSCSSi iR()pp =e ConcaveMantle()()sintancosipdpd = ()sinsiniiprdR = 22 Quarry Academy 2005 Crushing Pressure and Power Draw22112cossincos()resreseeaePRh =+Mechanical model of spiderless cone crusherSYMONS-type23 Quarry Academy 2005 Crushing Pressure and Power DrawMechanical model of a top supported cone crusherHYDROCONE-type12221121sinsincossi ncos()
4 CosreswreseeaePhRh = + 24 Quarry Academy 2005 GeometryStdSH25 Quarry Academy 2005 GeometryDesign drawingsFineCoarse26 Quarry Academy 2005 Geometry27 Quarry Academy 2005 Flow modelMaterial flow mechanics28 Quarry Academy 2005 Flow model29 Quarry Academy 2005 Flow model30 Quarry Academy 2005 Interaction Flow-Size reduction31 Quarry Academy 2005 Interaction Flow-Size reductionLess confinement-mixed single and interparticle breakage32 Quarry Academy 2005 Results33 Quarry Academy 2005 Results - Particle size distributions34 Quarry Academy 2005 Results - Particle size distributions35 Quarry Academy 2005 Results - Particle size distributions36 Quarry Academy 2005 Results - Compression ratio37 Quarry Academy 2005 Results - Pressure-only a small proportion of the crushing chamber is utilized H3000-FCSS=10mmGneiss10-30mm38 Quarry Academy 2005 Results -Crushing force0246810120510152025303540 Crushing zone [No]Crushing force [kN]ID3F36010, H3000F, n=360, CSS= , e0= , td= , #IP= vertical kN39 Quarry Academy 2005 Results - Crushing angle02468101210152025 Crushing zone [No] [ ]ID3F36010, H3000F, n=360, CSS= , e0= , td= , #IP= small crushing angles[] 40 Quarry Academy 2005 Results - Crushing power024681012012345678 Crushing zone [No]Power [kW]
5 ID3F36010, H3000F, n=360, CSS= , e0= , td= , #IP= kW41 Quarry Academy 2005 Results42 Quarry Academy 2005 Results43 Quarry Academy 2005 Results44 Quarry Academy 200545 Quarry Academy 200546 Quarry Academy 2005H7800-Implementation of ResultsAnglo AmericanMantos Blancos47 Quarry Academy 2005H7800-Implementation of Results48 Quarry Academy 2005H7800-Implementation of Results49 Quarry Academy 20053C-Implementation of Results3C-team Customized Crushing ChambersFine Tuned Chambers
