# rittinger law specific grinding

### Relationships between comminution J energy and product

Relationships between comminution energy and product size for a magnetite ore 4 where E is the net specific energy x f and x p are the feed and product size indices respectively and K3 is a constant. Hukki (1962) evaluated these energy-size relationships Unit OperatiOn Lecturer . Shymaa Ali Hameed Energy for Size reduction For efficient grinding the energy applied to the material should exceed by as small a margin as possible the minimum energy A Rittinger s Law (2) As the specific surface of a particle (the surface area per unit

### Unit OperatiOn Size Reductionكلية الهندسة

Unit OperatiOn Lecturer . Shymaa Ali Hameed Energy for Size reduction For efficient grinding the energy applied to the material should exceed by as small a margin as possible the minimum energy A Rittinger s Law (2) As the specific surface of a particle (the surface area per unit Relationships between comminution energy and product size for a magnetite ore 4 where E is the net specific energy x f and x p are the feed and product size indices respectively and K3 is a constant. Hukki (1962) evaluated these energy-size relationships

### bond s law ball mill

Thus it is completely wrong to say that Bond s law in this form is a consequence of eqn. (1) or eqn. (6) in the same way as Rittinger s or Kick s law. The equivalent to these laws for n=1.5 would be dx dE _ -C1 __s z where 1/xI 5 x-a- dp(X t) 0 x (13) KICK BOND AND RI=NGER LAWS OF GRINDI"P G Two further points can be made on Bond s law. (2013). Grinding of Coriander Seeds Modeling of Particle Size Distribution and Energy Studies. Particulate Science and Technology Vol. 31 No. 5 pp. .

### Fred Chester BondWikipedia

Fred Chester Bond (June 10 1899January 23 1977) was an American mining engineer.A graduate and former professor of the Colorado School of Mines he worked in the mining equipment and ore milling equipment business of Allis-Chalmers from 1930 to 1964. Fred Chester Bond (June 10 1899January 23 1977) was an American mining engineer.A graduate and former professor of the Colorado School of Mines he worked in the mining equipment and ore milling equipment business of Allis-Chalmers from 1930 to 1964.

### ComminutionWikipedia

Comminution is the reduction of solid materials from one average particle size to a smaller average particle size by crushing grinding cutting vibrating or other processes. In geology it occurs naturally during faulting in the upper part of the Earth s crust. In industry it is an important unit operation in mineral processing ceramics electronics and other fields accomplished with 2.2. Specific energy determination for comminution circuits. The total specific energy (W T) to reduce in size primary crusher product to final product is given by (3) W T = W a W b W c W h W s where. W a = specific energy to grind coarser particles in tumbling mills. W b = specific energy to grind finer particles in tumbling mills.

### Recter Law Specific Grindinggattiritratti

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 powerCGM Grinding Plant Equation (2) is a statement of Kick s Law. It implies that the specific energy required to crush a material for example from 10 cm down to 5 cm is the same as the energy required to crush the same material from 5 mm to 2.5 mm. Rittinger on the other hand assumed that the energy required for size reduction is directly

### rittinger law specific grindinghardpressed

laws grinding classical . 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 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 21/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.

### Unit Operations in Food ProcessingR. L. Earle

Equation (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 L for a mass of particles from 10 cm to 5 cm would be the same as that required to reduce for example the same mass of 5 mm particles down to 4.7 Based on the grinding laws previous studies suggested that Kick s law Rittinger s law and Bond s law are suitable for coarse grinding fine grinding and

### 4. SIZE REDUCTIONCairo University

Rittinger in 1939 obtained the following equation to predict the power required in crushing and grinding operations ) 1 1. (2 1. vs vs r D P m K (4.3) Where 1 and 2 denote feed and product respectively. This law named after Rittinger is best suited for grinding rather than crushing. Rittinger s theory and law of the energy expended in crushing of rock is that the work of crushing is proportional to the reduction in diameter or as I have more fully expressed it "The work done in crushing is proportional to the surface exposed by the operation or better expressed for this purpose the work done on a given mass of rock is proportional to the reciprocal of the

### calculations bonds law for crushingMinevik

Calculations bond s law for crushing s equation may be usedfacilitate the calculation of specific grinding energy content crushing laws rittinger law kick get price unit operations in food processing r l earle grinding and cutting reduce th. Read More Bonds law for crushing mills. Chemical Engineering Stop Rittinger s and Kick s laws. Rittinger s and Kick s laws Rittinger s law states that work required in crushing is proportional to the new surface created. In other words crushing efficiency is constant and for a given machine and feed material is independent of the sizes of feed and product.

### Rittinger s Kick s and Bond s Crushing LawsYouTube

Feb 03 2018 · HINDI CAVITATION NET POSITIVE SUCTION HEAD (NPSH) PROBLEMS IN PUMP TURBINE HYDRAULIC MACHINESDuration 8 31. Unacademy StudiosBridge Recommended for you May 14 2010 · Rittinger s law is written as- P/ ṁ = Kr(1/Dsb1/Dsa) Kick proposed another law based on stress analysis of plastic deformation within the elastic limit which states that the work required for crushing a given mass of material is constant for the same reduction ratio that ia the ration of the initial particle size to the final

### Size Reduction EquipmentBIT Mesra

Assume that Rittinger slaw is applicable. •It is desired to crush 10 ton/hr of iron ore hematite. The size of the feed is such that 80 passes a 72.6 mm screen and 80 of product a 3.175mm screen. Calculate the gross power requirement for wet grinding and dry grinding. Work index of Hematite is 12.68 Ans 17.96kW Oct 25 2016 · size reduction laws involved in size reduction application mills 1. SIZE REDUCTION Size reduction is the process of reducing the particle size of a substance to a finer state of subdivision to smaller pieces to coarse particles or to powder. Size reduction process is also referred to as comminution and grinding.

### ComminutionWikipedia

Comminution is the reduction of solid materials from one average particle size to a smaller average particle size by crushing grinding cutting vibrating or other processes. In geology it occurs naturally during faulting in the upper part of the Earth s crust. In industry it is an important unit operation in mineral processing ceramics electronics and other fields accomplished with the grinding laws. THE GRINDING LAWS The amount of energy required for size reduction of solid foods can be theoretically calculated based on the following equation d d n x E K x = − (1) where dE is the energy required in breaking a unit mass of diameter x about size dx K and n are constants depending on the ground material and grinding

### calculations bonds law for crushingMinevik

Calculations bond s law for crushing s equation may be usedfacilitate the calculation of specific grinding energy content crushing laws rittinger law kick get price unit operations in food processing r l earle grinding and cutting reduce th. Read More Bonds law for crushing mills. 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 powerCGM Grinding Plant

### Unit OperatiOn Size Reductionكلية الهندسة

Unit OperatiOn Lecturer . Shymaa Ali Hameed Energy for Size reduction For efficient grinding the energy applied to the material should exceed by as small a margin as possible the minimum energy A Rittinger s Law (2) As the specific surface of a particle (the surface area per unit The different laws for the different values of the exponent are n=1 Kick s Law Assumes that the energy required to reduce a material in size was directly proportional to the size reduction ratio dDs/Ds n = 2 Rittinger s Law Assume that the energy required for size reduction is

### Laws of Size ReductionTheories of Size Reduction Hindi

Oct 13 2018 · 1. Kick s Law 2. Rittinger s Law 3. Bond s Law Watch this full video to learn this b.pharma subject online which comes under unit operation in pharmaceutical engineering. Other Topics in Size 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

### Effect of moisture content and particle size on grinding

Many BF grinding process parameters can affect flour powder characteristics including the specific grinding method machinery as well as the hardness and the cultivar of BFs. Rittinger s law Kick s law and Bond s law constants as well as the Bond Work Index were calculated using the following Eq. . Rittinger s law. Chapter 12 Comminution Energy and Evaluation in Fine Grinding energy including Rittinger s law Kick s law Bond s law and Holmes s law. grinding force vs. the specific material removal

### Grinding of Coriander Seeds Modeling of Particle Size

(2013). Grinding of Coriander Seeds Modeling of Particle Size Distribution and Energy Studies. Particulate Science and Technology Vol. 31 No. 5 pp. . Rittinger Law Specific Crusher. rittinger law of grinding rittinger law of grinding size reductionlaws involved in size reduction Oct 25 2016• Rittingers law gives better results with fine grinding where there is a much larger increase in surface area • Bonds law is intermediate between these two A crushing law proposed by Rittinger

### Size reduction (GIKI)LinkedIn SlideShare

Oct 10 2014 · • Bond has suggested a law intermediate between Rittinger s and Kick s laws by putting p = −3/2 in the general equation • Writing C = 5Ei then • Bond terms Ei the work index and expresses it as the amount of energy required to reduce unit mass of material from an infinite particle size to a size L2 of 100 μm that is q =∞. 7. 11 Crushing and classification or fine grinding The term micronising Kick s law is better for larger particles and Rittinger s Law Order SVU Season 18 Premiere Recap The Sep 21 2016· Read our recap of the Law Order SVU Season 18 premiere episode just fine Benson / Tucker / Noah then the show will grind to the end of .

### rittingers law fine grindingalmelo-klusbedrijf

A commentary on the Kick Bond and Rittinger laws of grinding. 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 in physical meaning. The Kick and Rittinger laws are special cases of one form and Bonds law is a special case of the Oct 25 2016 · size reduction laws involved in size reduction application mills 1. SIZE REDUCTION Size reduction is the process of reducing the particle size of a substance to a finer state of subdivision to smaller pieces to coarse particles or to powder. Size reduction process is also referred to as comminution and grinding.

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