Under the strategic framework of“dual-carbon”goals(carbon peaking and carbon neutrality),high efficiency,energy conservation,and intelligence have become imperative trends in the development of ore-comminution equip...Under the strategic framework of“dual-carbon”goals(carbon peaking and carbon neutrality),high efficiency,energy conservation,and intelligence have become imperative trends in the development of ore-comminution equipment.In sectors such as mining,construction,and metallurgy,crushers serve as the critical hardware for particle-size reduction,and their performance directly governs downstream productivity and operating costs.Ongoing industrial progress is placing ever-stricter demands on crusher efficiency,reliability,and energy consumption.The Eccentric Roll Crusher(ERC)-a novel primary crushing machine-offers marked advantages over conventional jaw,gyratory and cone crushers,including superior efficiency,a more compact overall envelope,lower specific energy consumption,and superior dynamic balance,thereby constituting a subject of exceptional research value.In this study,the influences of key operational parameters-eccentric shaft rotational speed,Closed-Side Setting(CSS),and eccentric throw-on throughput,power draw,and roll reversal velocity are systematically investigated by means of coupled Discrete-Element Method(DEM)and Multi-Body Dynamics(MBD)simulations,complemented by rigorous kinematic modelling and experimental validation.Subsequently,a multi-objective optimization framework integrating genetic algorithms and response-surface methodology is employed to achieve an optimized design.The outcomes establish a sound theoretical and experimental foundation for the intelligent design of eccentric roll crushers within the context of the dual-carbon era.展开更多
文摘Under the strategic framework of“dual-carbon”goals(carbon peaking and carbon neutrality),high efficiency,energy conservation,and intelligence have become imperative trends in the development of ore-comminution equipment.In sectors such as mining,construction,and metallurgy,crushers serve as the critical hardware for particle-size reduction,and their performance directly governs downstream productivity and operating costs.Ongoing industrial progress is placing ever-stricter demands on crusher efficiency,reliability,and energy consumption.The Eccentric Roll Crusher(ERC)-a novel primary crushing machine-offers marked advantages over conventional jaw,gyratory and cone crushers,including superior efficiency,a more compact overall envelope,lower specific energy consumption,and superior dynamic balance,thereby constituting a subject of exceptional research value.In this study,the influences of key operational parameters-eccentric shaft rotational speed,Closed-Side Setting(CSS),and eccentric throw-on throughput,power draw,and roll reversal velocity are systematically investigated by means of coupled Discrete-Element Method(DEM)and Multi-Body Dynamics(MBD)simulations,complemented by rigorous kinematic modelling and experimental validation.Subsequently,a multi-objective optimization framework integrating genetic algorithms and response-surface methodology is employed to achieve an optimized design.The outcomes establish a sound theoretical and experimental foundation for the intelligent design of eccentric roll crushers within the context of the dual-carbon era.
