Studia Geotechnica et Mechanica, Vol. 39, No. 2, 2017 DOI: 10.1515/sgem-2017-0012 ANALYSIS OF ENERGY CONSUMPTION OF CRUSHING PROCESSES – COMPARISON OF ONE-STAGE AND TWO-STAGE PROCESSES
Get PriceTosun and Konak (2014) developed a model to predict the energy consumption of primary and secondary crushers. According to this model, the specific energy of crushing depends on the specific ...
Get Price2014-1-17 Energy consumption of the crushers depends on three parameters which are size distribution of the heap, mass flows of the crushers and reduction ratio of the crushers–crusher type. Image processing technique is generally used in order to determine size distribution of the heap occurred as a result of blasting. However, it is known that there ...
Get Price2016-3-5 Crushing Energy Work of Crushing Machines. A general awakening of interest among mill men concerning the mechanical efficiencies of their crushing machines is evident from a perusal of the recent files of mining publications.
Get Price2014-9-1 The power consumption, P, and energy usage, E, of the moving plate at velocity V against force F can be defined as: (9) P = F. V [W] and (10) E = ∫ P ⅆ t [J] Finally a plot of cumulative energy consumption per time step and cumulative area created per time step can be produced.
Get Price2021-8-27 Correlations estimating the energy values consumed by primary and secondary crushers were developed by using discontinuity characteristics of blasting surfaces in blast tests, specific charge, and uniaxial compressive strength values of the rock, and compared with energy consumption values measured real timely in the crushers.
Get Price2014-4-15 The first and major reason is that compressive crushers such as jaw crushers are inefficient machines due to their no-load power consumption ranging between 40 and 50% of the total power consumption. This means that running continuously, the jaw crusher will lead to almost 50% of energy consumption which does not contribute to the work done and ...
Get Price2019-3-21 The high energy consumption in crushing rock is due to the high resistance of the rock to compressive loads and also to sharp increase in crushing forces when processing massive samples . Usually, cone crushers are employed in secondary and tertiary crushing in the mining industry . However, cone crushers for primary processing also exist.
Get Price2014-9-15 Metallurgical ContentCrushing Screening Plant Assessment ExampleCapacities and Horsepower of Jaw Crushers (tons/hr)Typical Capacities of Twin-Roll Crushers (tons/hr)Screen Analysis of Product from Jaw Crusher, Percent Passing Screen Opening The following example demonstrates a method of selecting the components of an aggregate plant. Good component efficiency and part
Get Price2020-6-4 Some of these crushers have been investigated to clarify several issues such as the crushing mechanism, energy consumption, reducing fines during the crushing action, and wear rate estimations (Guimaraes et al. 2007; Mitchell et al. 2008; Korman et al. 2015, and Terva et al. 2018). In a jaw crusher, for instance, the crushing action occurs as a ...
Get Price2016-1-1 Energy consumption occurs everywhere in the mining and manufacturing sectors. For relevance in energy consumption, table 1 compares energy consumption for certain parts of the mining sector with other global energy consumption. 142 Jack Jeswiet and Alex Szekeres / Procedia CIRP 48 ( 2016 ) 140 – 145 Table 1.
Get PriceThe crusher parameters that affect energy consumption were also identified. A case study of an operating dolomite mine was performed. The results indicated that by changing the burden, spacing and ...
Get Price2013-4-21 Energy Consumption in Crushing and Grinding The energy input to size ore fragments is large. Overall reduction, performed in a series of stages may be from an eighty percent feed size passing of 40 cm (15.8 inches) to a final product size of 270 to 325 mesh (.053 to .045 mm). A lot of energy is expended to accomplish this, and
Get Price2007-8-1 The objective of this research was to develop a mathematical model for gyratory crushers to help in the prediction of energy consumption and to analyze dominant parameters that affect this energy consumption. The development of a gyratory crusher model was achieved in the following three main stages: mathematical representation and coding of the crushing process; building an amperage
Get PriceStudia Geotechnica et Mechanica, Vol. 39, No. 2, 2017 DOI: 10.1515/sgem-2017-0012 ANALYSIS OF ENERGY CONSUMPTION OF CRUSHING PROCESSES – COMPARISON OF ONE-STAGE AND TWO-STAGE PROCESSES
Get Price2019-8-1 Compressive breakage occurs in e.g. cone crushers, the modelling of sequential compressive breakage has been presented in work by Evertsson (2000).The compression breakage is modelled using two variables, the stroke or throw named with variable s, and bed hight named with variable b.In Fig. 1 a cross-section of a cone crusher is shown, the path of the rock is drawn as a zigzag pattern where ...
Get PriceORIGINAL PAPER Development of a model estimating energy consumption values of primary and secondary crushers Abdurrahman Tosun Gurcan Konak
Get Price2021-8-25 The specific energy consumption at the motor input can be predicted using Bond's equation: E = 10 × CWi × (P80 – ½ - F80 –½). where CWi is your work index, F80 is the 80% passing size of the feed measured in µm, and P80 is the 80% passing size of the product measured in µm. E is the specific energy in kWh/tonne. Very important -- there are five types of work index.
Get Price2013-3-6 Cone crusheris suitable for the crushing of various ores and rocks with medium or above hardness because of its features of large crushing ratio, high efficiency, low energy consumption and even granularity.It can operate the medium and fine crushing
Get PriceTY - THES. T1 - Assessing the energy efficiency of jaw crushers. AU - Legendre, Daniel Antonio. N1 - vst. PY - 2012. Y1 - 2012. N2 - It is well-known and taken for granted that the efficiency of energy use by comminution (i.e. breaking, crushing, grinding) equipment is very low, typically less than 10%.
Get PriceORIGINAL PAPER Development of a model estimating energy consumption values of primary and secondary crushers Abdurrahman Tosun Gurcan Konak
Get Price2021-8-25 The specific energy consumption at the motor input can be predicted using Bond's equation: E = 10 × CWi × (P80 – ½ - F80 –½). where CWi is your work index, F80 is the 80% passing size of the feed measured in µm, and P80 is the 80% passing size of the product measured in µm. E is the specific energy in kWh/tonne. Very important -- there are five types of work index.
Get Price2021-4-19 In terms of cone crusher, Liu 4 puts forward an energy consumption model, which shows the influence of working conditions and structural parameters of crushing chamber on energy consumption. The existing researches are all aimed at the total energy consumption of crusher, rather than the effective energy consumption of particle crushing.
Get PriceThe crusher parameters that affect energy consumption were also identified. A case study of an operating dolomite mine was performed. The results indicated that by changing the burden, spacing and ...
Get Price2013-4-21 Energy Consumption in Crushing and Grinding The energy input to size ore fragments is large. Overall reduction, performed in a series of stages may be from an eighty percent feed size passing of 40 cm (15.8 inches) to a final product size of 270 to 325 mesh (.053 to .045 mm). A lot of energy is expended to accomplish this, and
Get Price2014-4-15 The first and major reason is that compressive crushers such as jaw crushers are inefficient machines due to their no-load power consumption ranging between 40 and 50% of the total power consumption. This means that running continuously, the jaw crusher will lead to almost 50% of energy consumption which does not contribute to the work done and ...
Get Price2007-8-1 The objective of this research was to develop a mathematical model for gyratory crushers to help in the prediction of energy consumption and to analyze dominant parameters that affect this energy consumption. The development of a gyratory crusher model was achieved in the following three main stages: mathematical representation and coding of the crushing process; building an amperage
Get Price2014-9-15 Metallurgical ContentCrushing Screening Plant Assessment ExampleCapacities and Horsepower of Jaw Crushers (tons/hr)Typical Capacities of Twin-Roll Crushers (tons/hr)Screen Analysis of Product from Jaw Crusher, Percent Passing Screen Opening The following example demonstrates a method of selecting the components of an aggregate plant. Good component efficiency and part
Get Price2016-7-13 APPENDIX A. USE OF THE Mia, Mib, Mih, Mic IN PREDICTING COMMINUTION CIRCUIT SPECIFIC ENERGY A 1 INTRODUCTION The following technical note describes the recently extended use of the SMC Test® to include crushers and HPGRs in determining the overall specific energy
Get Price2013-3-6 Cone crusheris suitable for the crushing of various ores and rocks with medium or above hardness because of its features of large crushing ratio, high efficiency, low energy consumption and even granularity.It can operate the medium and fine crushing
Get Price