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# rittinger law specific grinding

• #### Rittinger an overview ScienceDirect Topics

Rittinger's equation is said to fit better fine milling while Kick's expression describes better coarse grinding (Earle, 1983). Example 6.4 Sugar crystals were ground from an average Sauter diameter of 500 μm to powder with an average Sauter diameter of 100 μm. The net energy consumption was 0.5 kWh per ton.rittinger law specific grinding,rittinger law specific grinding Grinding characteristics, physical, and flow specific properties 8 Jun 2017 The Rittinger's law is used for fine powders which generate large surface area per unit mass, whereas the Kick's law is found fit for intermediate.

• #### Unit Operations in Food Processing R. L. Earle

(11.3) is known as Rittinger's Law. As the specific surface of a particle, the surface area per unit mass, is proportional to 1/L, eqn. (11.3) postulates that the energy required to reduce Lfor a mass of particles from 10 cm to 5 cm would be the same as that required to reduce, for example,How Material Size Directly Affects Size Reduction Energy,Mar 25, 2015· Rittinger’s Law — The energy required for reduction in particle size of a solid is directly proportional to the increase in surface area. E = K R f c (1/L 2 1/L 1) Kick’s Law — The amount of energy required to crush a given quantity of material to a specified fraction of its original size is the same, regardless of the original size.

• #### size reduction,laws involved in size reduction

Oct 25, 2016· • Kick’s law gives reasonably good results for coarse grinding in which there is a relatively small increase in surface area per unit mass. • Rittinger’s law gives better results with fine grinding where there is a much larger increase in surface area • Bond’s law is intermediate between these two.what is bond s law of crushing MC World,Three laws of comminution or size reduction such as Kick's law, Rittinger's law and Bond's law are defined and its objectives in industrial. MILLING & ANALYSIS OF PARTICLES. In the 50s Bond came up with an empirical relation covering the range between Rit- tinger and Kick's law, correlating the mass specific comminution work WM,K

• #### Effect of Moisture Content on the Grinding Process and

Rittinger’s law: (5) where E is the energy requirement for grinding, L1 and L2 are the mean diameters of the initial and final ground particle size of samples, respectively, and Kb, Kk and Kr are the Bond’s, Kick’s and Rittinger’s constants, respectively.rittinger law of grindingriver aggregates jaw crusher,rittinger law specific grinding vietnameseamericancenter. Impact crusher, jaw crusher mining equipments, rittinger law specific grinding. Aggregates for Concrete in Nigeria. More Details. rittinger law specific grinding buteyko.co. Rittinger's Law Unit Operations in stone Processing Equation (11.2) is a statement of Kick's Law.

• #### Rittinger Law Specific Wet Ball Mill

Rittinger Law Of Grinding Rittinger Law Specific Grinding Grinding Mill China the production of fresh surface during the grinding microns Also a certain amount of very fine material is lost during the grinding and sieving operations and this read more Leyes De Rittinger Kick Y Bond Hsmindia.grinding laws encyclopedia,rittinger law specific grinding Mill (grinding) Wikipedia, the free encyclopedia A grinding mill is a unit operation designed to break a solid material into smaller piec Free Quote; rittinger law specific grinding ic4medicapsin A commentary on the Kick, Bond and Rittinger laws of grinding A,Eq 22 is the link that joins the classical energy.

• #### How Material Size Directly Affects Size Reduction Energy

Rittinger’s Law — The energy required for reduction in particle size of a solid is directly proportional to the increase in surface area. E = K R f c (1/L 2 1/L 1 ) Kick’s Law — The amount of energy required to crush a given quantity of CHAPTER 11 SIZE REDUCTION NZIFST Home,Equation (11.2) is a statement of Kick's Law. It implies that the specific energy required to crush a material, for example from 10cm down to 5cm, is the same as the energy required to crush the same material from 5mm to 2.5 mm. Rittinger, on the other hand, assumed that the energy required for size reduction is directly

• #### CHAPTER 20: SIZE REDUCTION EQUIPMENT FOR SIZE

• Grinding of coarse particles in which the increase in surface area per unit mass is relatively small, Kick's Law is a reasonable approximation • Rittinger’s law States that the energy required for size reduction is proportional to the change in surface area of the pieces of food • E = K R 1 1 D. p. D. f • K. REnergy requirements in size reduction of solids,law of Kick. The slope of cumulative curve varies from m = 0 to m 0.1. the range of coarse grinding is the range of Bond's theory, (rn = — 0.5) and the range of fine grinding is the range of Rittinger's theory ( m = — 1.0 ). the range of fine grinding from m = —1 to — 3, — the range of approaching grinding limit m —3 torn — co

• #### Relationships between comminution J energy and product

Bond (1952) proposed the ‘Third Law’ of grinding. The Third Law states that the net energy required in comminution is propor- stating that each of Rittinger, Kick and Bond theories might be applicable for different narrow size ranges. between the product P80 and the net specific grinding energy for all LIMS tail (non magnetic) andEvolution of grinding energy and particle size during dry,Oct 01, 2020· Several comminution laws have been proposed to link the consumed energy to a characteristic particle size of the powder. The popular models are those of Rittinger,Bond and Kick . While the Bond and Kick models are mostly employed for coarse and intermediate size grinding, the Rittinger model is better suited for fine comminution .

• #### rittinger law specific grinding Werken Aargau

rittinger law specific grinding . specific for grinding . rittinger law specific grinding Nola. Grinding and cuttingUnit Operations in Food ProcessingRL Earle . Equation (113) is known as Rittinger s Law As the specific surface of a particle the surface . Get Price vertical grinding mill specific powerSKD Grinding Plant .size reduction,laws involved in size reduction,Oct 25, 2016· However,equations Rittinger’s law and Bond’s law were developed from studies of hard materials (coal and limestone) and deviation from predicted results is likely with many foods. 15. Basic parts of mill • Feed chute/hopper, which delivers the material. • Grinding mechanism usually consisting of a rotor and stator.

• #### what is bond s law of crushing MC World

Three laws of comminution or size reduction such as Kick's law, Rittinger's law and Bond's law are defined and its objectives in industrial. MILLING & ANALYSIS OF PARTICLES. In the 50s Bond came up with an empirical relation covering the range between Rit- tinger and Kick's law, correlating the mass specific comminution work WM,Krittinger law of grindingriver aggregates jaw crusher,rittinger law specific grinding. rittinger law specific grinding vietnameseamericancenter. Impact crusher, jaw crusher mining equipments, rittinger law specific grinding. Aggregates for Concrete in Nigeria. More Details. rittinger law specific grinding buteyko.co. Rittinger's Law Unit Operations in stone Processing Equation (11.2) is a

• #### Size reduction equipment Part I, Fabrizio Sarghini

Rittinger assumed that the energy required for size reduction is directly proportional to the change in surface area, and not to the change in length. He considered that for the grinding of solids, the energy required should be proportional to the new surface produced, assigning the value of 2 to the power n, and obtaining the Rittinger’s lawSize Reduction Practices in Food Processing Request PDF,All the three classical laws of grinding (Kick’s, Rittinger’s and Bond’s) seemed to be applicable while Rittinger’s law showed better suitability than the other two followed by Bond’s

• #### Comminution of Dry Lignocellulosic Biomass: Part II

Von Rittinger states that the specific energy E m (energy by unit of mass) is directly proportional to the creation of the specific surface area (see Equation (1)) with K r a constant depending both on the material to grind and the mill, and S p 1 and S p 2 the specific surfaces of the particle before and after breakage.value of rittingers constant for ball mill,Keywords ball mill specific grinding rate grain morphology contact points energy issues are the studies carried out by Bond 1952 Brach 1962 Kick 1885 Rittinger 1867 have any constant values for all size ranges Lynch 1977. Get Price

• #### How it Works: Crushers, Grinding Mills and Pulverizers

Rittinger’s Law states that the energy required in size reduction is proportional to the new surface created by the particle fragmentation. The equation for Rittinger’s Law can be written as: E = K R f c (1/L 2 1/L 1) Where: E=Energy, K R =Rittinger’s Constant, f c =crushing strength of the material, L 1 =initial length, and L 2How Material Size Directly Affects Size Reduction Energy,Rittinger’s Law — The energy required for reduction in particle size of a solid is directly proportional to the increase in surface area. E = K R f c (1/L 2 1/L 1 ) Kick’s Law — The amount of energy required to crush a given quantity of material to a specified fraction of its original size is the same, regardless of the original size.

• #### (PDF) Comminution energetics part III : Bond's law and

GRINDING LAWS The three laws of Rittinger, Kick and Bond can all be derived from the follow- ing relationship, proposed by Charles (1957), between energy consumed and mate- rial size C.51 : &=-kg Yn Setting the exponent n to 1, 11 or 2 upon integration defines the laws of Kick, Bond and Rittinger respectively.Food Engineering: Lesson 43. SIZE REDUCTION,Where x 1 is the average initial size of the feed particles, x 2 is the average sizeof the product particles, E is the energy per unit mass required to produce this increase in surface area and K is a constant, known as Rittinger’s constant. Rittinger’s law has been found to hold better for fine grinding.

• #### CHAPTER 20: SIZE REDUCTION EQUIPMENT FOR SIZE

• Grinding of coarse particles in which the increase in surface area per unit mass is relatively small, Kick's Law is a reasonable approximation • Rittinger’s law States that the energy required for size reduction is proportional to the change in surface area of the pieces of food • E = K R 1 1 D. p. D. f • K. RCPE: Lesson 15. Empirical laws of Size Reduction,15.1 Rittinger’s law Rittinger’s assumption was based on the fact that particles do not deform before breaking, therefore being infinitely brittle.Rittinger state that the energy required in size reduction is proportional to new surface created and gave the power n a value of 2 thus by integrating equation (1.9) obtained the so called Rittinger’s law:

• #### rittinger law specific grinding Werken Aargau

rittinger law specific grinding . specific for grinding . rittinger law specific grinding Nola. Grinding and cuttingUnit Operations in Food ProcessingRL Earle . Equation (113) is known as Rittinger s Law As the specific surface of a particle the surface . Get Price vertical grinding mill specific powerSKD Grinding Plant .(PDF) Development of size reduction equations for,Rittinger constant for grinding pine chips by hammer mill is Are scaling laws on stre ngth of solids. related to mecha nics Experimental study on specific grinding

• #### Size Reduction Practices in Food Processing Request PDF

All the three classical laws of grinding (Kick’s, Rittinger’s and Bond’s) seemed to be applicable while Rittinger’s law showed better suitability than the other two followed by Bond’sgrinding laws encyclopedia,rittinger law specific grinding Mill (grinding) Wikipedia, the free encyclopedia A grinding mill is a unit operation designed to break a solid material into smaller piec Free Quote; rittinger law specific grinding ic4medicapsin A commentary on the Kick, Bond and Rittinger laws of grinding A,Eq 22 is the link that joins the classical energy.

• #### Unit OperatiOn Size Reduction جامعة تكريت

In the grinding process, materials are reduced in size by fracturing them. In the process, the material is stressed by the A Rittinger's Law (2) As the specific surface of a particle (the surface area per unit mass) is proportional to 1/L, equation (2) postulates that the Rittinger's Law fits the experimental data better. 3) Bond has(310b) Teaching Old Laws New Tricks Specific Energy,Rittinger (1867), Kick (1885) and Bond (1952) all proposed empirical laws to estimate the specific energy requirement for accomplishing a given extent of size reduction expressed in terms of the initial and final particle size (length dimension) and an empirical constant.

• #### (PDF) Relationship between comminution Academia.edu

A total of 18 Bond tests Rittinger, Kick and Bond, are obtained respec- and over 150 batch grinding tests and sieve sizing were carried out. tively. Throughout the grinding tests, power draw was continuously Rittinger (1867) stated that the energy monitored.Size reduction equipment Part I, Fabrizio Sarghini,Rittinger assumed that the energy required for size reduction is directly proportional to the change in surface area, and not to the change in length. He considered that for the grinding of solids, the energy required should be proportional to the new surface produced, assigning the value of 2 to the power n, and obtaining the Rittinger’s law