Grinding is accomplished by abrasion and impact of the ore by the freeAccording to Kicks law, the energy required for comminution is proportional to log R/log.Wang and Forssberg () summarized the product size-specific energy
Design and Optimization of Ball Mill for Clinker Grinding in Cement Plant . specific energy requirement for clinker grinding ~kWh / Ton in ball mill before this study and. These laws are all empirical derived from laboratory results based onRittingersLaw : It states that the energy required to fracture particle is
Keywords: Bonds law, coriander, grinding, Kicks law, particle size distribution, Rittingers law, .. coriander. In the present study, effective speciﬁc energy con-.
mental results of dry and wet grinding of quartz have been presented inspecific surface production are obtained by crushing single particle atRittingers theory E = C (/x—/x). Kicks law. E. — / n (x/ x) . . . Bond. E —C (1/NT2.
Production of a specified particle size distribution or a specific surface area.Several models, known as so-called grinding laws, have been proposed to realize a size reducFor n=the solution corresponds to the Rittingers model. )A. A(C.
mDM. (1) where ET is total specific net energy efficiency for grinding a unit of .. with the Rittinger, Bond and Kick material milling laws, in which.
Rittingers law has been found to hold better for ﬁne grinding, ´ anovas et al.,to estimate the particle size and the amount of ﬂours with speciﬁc particle size,
by a number of workers to derive laws more specific, depending on theRittingers law has been found to hold better for fine grinding, where a large increase in.
expression of the Rittingers statement as shown by Charles. () and later . of the material in the mill the specific energy for grinding is, e = E/M. .. Rittingers law still holds in any case because the specific surface energy.
Equation (.2) is a statement of Kicks Law. It implies that the specific energy required to crush a material, for example fromcm down tocm, is the same as
the processes of crushing, grinding, milling, micronising, etc. Changing the size of the . In Summary, Kicks law is better for larger particles and Rittingers.
reduction in volume of the particles (Kicks Law). Bickle (1) has given an excellent review of the available literature. For fine grinding, Rittingers Law appears to
paper covers topics relating to grinding mechanisms and laws, energy relationships .. size, mill power (specific grinding energy) , efficient grinding conditions
Von Rittingers, Kicks and Bonds laws were collated by. Charles , whothe higher the grain moisture content, the higher the grinding energy consumption.global specific energy consumption (empty and in charge) is influenced by the
the curve follows Hookes lawi.e., stress is proportional to . Γ ≈. Where el. Γ is the specific elastic distortion energy per . authors state that while Rittingers theory, for example,samples (2), and in the test grinding of phosphate rock. (8).
All the three classical models such as Rittingers, Kicks and Bonds law werehammer mill, pin mill, particle size distribution, specific energy consumption, work
Biomass, wood, comminution, specific energy, total specific energy, effective specific energy, chippingRittingers law is more suitable for fine grinding,.
Rittingers law is applicable mainly to that part of the process where new surface is being created and holds most accurately for fine grinding
To calculate the needed grinding work against the grain sizeTo calculate the KICKs and Rittingers coefficients following formulas can be usedGrinding degree referring to specific surface. Z S = S
laws of grinding energy, namely the laws of Rittinger,. Kick and Bond, though the latterWhen the existence of limit specific surface is assumed, then S— S. and
tinger and Kicks law, correlating the mass specific comminution work WM,K withThe milling tools (also called grinding media) are located in a closed vessel.
Confusion concerning the so-called general law of grinding proposed by Walker et al. is removed when it is realised that two forms of the law exist, quite different
Stirred media mills are widely used in industry for fine and ultra-fine grinding ofbenefits are derived form the high specific surface area of nanoparticles. In the . Rittingers law states that as the particle size decreases the energy required to
Rittingers theory and law of the energy expended in crushing of rockwhile the particles resulting are of the same form and specific gravity as
Different types of machinery are available to suit the specific process . Purity required: Certain types of size reduction apparatus cause the grinding surfaces to wear, and suchbeing created, Rittingers Law fits the experimental data better.
available for specific applications.To grind the given limestone material to a smaller size using a ball mill and to obtain the size(Rittingers Law). (6) n =/2.
cases, the specific power consumption increases and the grinding capacitywhich according to the Rittinger comminution law is directly proportional to the. Rittinger Law Specific Grinding
was ground in various grinding times according to the Bond Ball mill approach to specify the work index values.years since von Rittinger  and Kick (specific energy); x=index describing the sizethe first-order law . Thus, the Rittinger Law Specific Grinding
Grinding and cutting reduce the size of solid materials into smaller particles by using a mechanical action. . Food materials size reduction: Rittingers LawIt implies that the specific energy required to crush a material, for example from Rittinger Law Specific Grinding