rittinger law specific grinding

  • A crushing law proposed by Rittinger in 1867 states that

    •A crushing law proposed by Rittinger in 1867 states thatthe work required in crushing is proportional to the new surface created • This law which is really no more than a hypothesisis equivalent to the statement that the crushing efficiency is constant and for a given machine and feed materialis independent of the sizes of feed and

    Chat Online
  • 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

    Chat Online
  • Grinding and comminutionDelft Solids Solutions

    •To increase the specific surface area •To produce particles of certain size/shape Rittinger s law b)Kicks law and c)Bonds Law 20. Predicting Energy Requirements Rittinger C R •Use wet grinding (good heat transfer liquid may serve a heat sink)

    Chat Online
  • Rittingeran overview ScienceDirect Topics

    Rittinger s law is applicable mainly to that part of the process where new surface is being created and holds most accurately for fine grinding where the increase in surface per unit mass of material is large. Kick s law more closely relates to the energy required to effect elastic deformation before fracture occurs and is more accurate than

    Chat Online
  • 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

    Chat Online
  • How it Works Crushers Grinding Mills and Pulverizers

    Several theories for the science of size reduction have been developed including Rittinger s Law Kick s Law and Bond s Law. 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

    Chat Online
  • 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

    Chat Online
  • 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

    Chat Online
  • MODELING THE SPECIFIC GRINDING ENERGY AND BALL

    2 MODELLING THE SPECIFIC GRINDING ENERGY AND BALL-MILL SCALEUP Ball-mill scale up (Bond s Law)Data zBond work index w i zFeed D f and product d size (both 80 cumulative passing) Result The specific grinding energy w Mill power draw P = wT where T the mill capacity Mill dimensions (from Tables or charts)

    Chat Online
  • rittinger s law fine grindingloopevenementendenhelder

    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 .

    Chat Online
  • 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.

    Chat Online
  • Grinding characteristics and batter quality of rice in

    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

    Chat Online
  • 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.

    Chat Online
  • (310b) Teaching Old Laws New TricksSpecific Energy

    Nov 10 2015 · 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.

    Chat Online
  • 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.

    Chat Online
  • Chapter 12 Comminution Energy and Evaluation in Fine Grinding

    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

    Chat Online
  • PHARMACEUTICAL ENGINEERINGNISCAIR

    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

    Chat Online
  • 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.

    Chat Online
  • 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. 449-457.

    Chat Online
  • 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.

    Chat Online
  • 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.

    Chat Online
  • 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.

    Chat Online
  • 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.

    Chat Online
  • Analysis of energy requirement for hemp fibre

    analysis using existing Kick s Rittinger s and Bond s laws a linear model was developed to fit the test data in regard to relating specific energy with initial and final fibre lengths. The model performed well for specific energy estimations especially for the case under 200 g feeding mass. Keywords hemp decortication

    Chat Online
  • 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) and

    Chat Online
  • 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.

    Chat Online
  • CPE 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

    Chat Online
  • Rittinger and Kick s Laws of Crushing

    I happen to be one of those who believe that Rittinger probably meant what he said when he wrote what Stadler has quoted "the increase of the surfaces exposed is directly proportional to the force required for reducing" "and therefore also to the work absorbed in effecting the separa­tions." (The italics are now mine instead of Rittinger s or Stadler s.) Our difficulty lies in

    Chat Online
  • Energy 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

    Chat Online
  • Question is ⇒ Which of the following crushing laws is most

    grinding ultra grinding crushing ⇒ Equivalent diameter of a particle is the diameter of the sphere having the same ratio of surface to volume as the actual volume. ratio of volume to surface as the particle. volume as the particle. none of these. ⇒ In case of a revolving mill wet grinding compared to dry grinding requires more energy. has

    Chat Online