GCM Mechanical

rittinger law crusher - bing

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  • Theory Of Rock Jaw crusher Its Working and Its

    rittinger law of grindingriver aggregates jaw crusher. application of crushing law Jaw Crusher Working Principle A sectional view of the singletoggle type of jaw crusher is shown below In one respect, the working principle and application of this machine is similar to the Dodge crushers; the movable jaw has its maximum movement at the top of the crushing chamber, and minimum movement at the

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  • How it Works: Crushers, Grinding Mills and Pulverizers

    2021-6-2Rittinger'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 2 =reduced length. Kick's Law states that the energy is proportional to the size reduction ratio. The equation for Kick's Law

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  • International Journal of ChemTech Research

    2021-11-92. Rittinger's law states that the energy required for size reduction is proportional to the change in surface area of the pieces. 3. Bond's law states that the work required to form particles of size Dp from very large feed is proportional to the square root of the surface to volume ratio of the product. Equipment for size reduction: 1.

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  • assessment id

    2021-3-135) A material crushed in a Blake jaw crusher such that the average size of particle is reduced from 50 mm to 10 mm with consumption of energy 25 10 points kW/(kg/s) what wou d be the consumption of energy needed to crush the same material of average size 75 mm to an average size of 25 mm if Rittinger's law is applied 3.457 5.329 8.333 10.437

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  • Simplification of Jaw crusher for Artisanal Aggregates

    2 and integration leads to Rittinger's Law (Perry, 1985). For coarse particles 1 mm and above p = -1 which leads to Kick's Law and for intermediate particles p =1.5 leading to Bond's Law. Figure 3 shows specific power requirements versus particle size as estimated by Bond, Rittinger, and Kick's Laws.

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  • Capacities and performance characteristics of jaw crushers

    2021-2-26crusher. The equation proposed by Hersam includes a number of constants that are only qualitatively related to the machine and material characteristics. These constants in- clude items such as speed, throw, setting. angle between the jaws, size and nature of the material. Rose and English

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  • 3.Comminution

    Rittinger's Energy Law "the energy of breakage is directly proportional to the amount of new surfaces produced" E R = Energy K = Constant σ 1 = Initial Particle Area σ 2 = Final Particle Area 1 2 R R K E

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  • Calculations Bonds Law For Crushing

    bond 3fs law for crushing mills Relationships between comminution J energy and product ball/rod mills and has become more likely a standard The general form of Bond's equation is as follows: [6] where W is the work input (kWh/t); Wi is the work index (kWh/t) which expresses the resistance of the material to crushing and grinding; and F80 and

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  • bonds law for crushing mills

    Bond s law for crushing mills-Henan Mining Machinery Co., Ltd. A crushing law proposed by Rittinger in 1867 states that. CHE F313: Separation Processes II Bond's Law • A somewhat more realistic method of estimating the power required for crushing and grinding was proposed by Bond in 1952 • Bond postulated that – the work required to form particles of size D p from very large feed is

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  • TRUTHS AND MISCONCEPTIONS IN THE ORE

    2021-6-9THE RITTINGER LAW OF COMMUNITION Communition reduces the coarseness of raw materials, as a direct consequence of its surface increase. Since the comminution process is formation the new surfaces, the literature argues that the Rittinger law of communition is only physically based be-cause it starts from the hypothesis that the

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  • Theory of Size Reduction

    2021-7-15Limitations of Rittinger's law: The chemical losses due to friction and inertia in the grinding equipment are not accounted in Rittinger's law. These mechanical losses of the crusher can be predicted by running the crusher empty without any charge. Thus overall energy efficiency of crusher

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  • Unit Operations in Food Processing

    2021-2-24Equation (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

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  • Rittinger

    Kick's law, more closely relates to the energy required to effect elastic deformation before fracture occurs, and is more accurate than Rittinger's law for coarse crushing where the amount of surface produced is considerably less.

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  • CHAPTER 20: SIZE REDUCTION

    2021-12-27– Rittinger's constant • For the size reduction of fine powders, in which large areas of new surface are being created, Rittinger's Law fits the experimental data better. Bond's law • The work required to form particles of size Dp from very large feed is proportional to the square root of the surface to volume ratio of the product

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  • Capacities and performance characteristics of jaw crushers

    2021-2-26Celculaled camel ty.16 ' 2.5 7 I n 0 0.5 1 1.5 2 2.5 Actual capacl ty.lh' Q Present Eqn. + Rose 8 Engllsh Eqn. Fig 1 - Comparison of calculated capacltles wlth the oata of Hersam (1 9231 for different machlne parameters thereby influencing the degree of compaction of the product. The final equation for the capacity of jaw crushers can

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  • bonds law for crushing

    Bond crushing law examveda. Bond crushing law a) Calls for relatively less energy for the smaller product particles, than does the Rittinger law b) Is less realistic in estimating the power requirements of commercial crushers c) States that the work required to form particle of any size from very large feed is proportional to the square root of the volume to surface ratio of the product d

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  • IMPACT OF PHYSICAL AND MECHANICAL PROPERTIES

    2021-5-19OF JAW CRUSHER Tomislav KORMAN, Gordan BEDEKOVIC, Trpimir KUJUNDZIC, Daliborwhich is a sort of compromise between Rittinger's area and Kick's diameter. Kick's law gives good results for crushing, Bond's for grinding and Rittinger's for fine grinding.

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  • A study of the energy

    1986-12-1Rittinger's law can be modified [2] by introducing a variable exponent which differs with the coal and the grinding system applied: 1 W=K (1 P-F' where W = El/m is work input per unit mass to a machine reducing material from a specified feed size to a specified product size; 0032-5910/86/$3.50 K is a constant, depending predominantly on

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  • rittinger law specific grinding

    home; rittinger law specific grinding; rittinger law specific grinding. Rittinger Law Specific Grinding Mc Machinery Unit Operations in Food Processing R L Earle 20210224 Equation 113 is known as Rittingers Law As the specific surface of a particle the surface area per unit mass is proportional to 1L eqn 113 postulates that the energy required to reduce L for a mass of particles from 10 cm to

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  • Rock Crushing Theory and Formula using Kick

    2021-3-11Rittinger'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

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  • OPTIMIZATION OF COMPRESSIVE CRUSHING

    2021-8-15crusher design as well as a continuously optimized crusher operation. Key words: compressive crushing, modeling, optimization, cone crusher, implementation. iiERittinger Energy input described in Rittinger's law [kWh/ton] EKick Energy input described in Kick's law [kWh/ton]

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  • Unit OperatiOn

    2021-9-27a) Rittinger's law. This is given by: E = KRfc[(1/L2) − (1/L1)] Thus : 13.0= KRfc [(1/10) − (1/50)] and: KRfc = (13.050/4) = 162.5 kW/(kg mm) Thus the energy required to crush 75 mm material to 25 mm is: E = 162.5[(1/25) − (1/75)] = 4.33 kJ/kg b) Kick's law. This is given by: E = KKfc ln(L1/L2) Thus: 13.0 = KKfc ln(50/10)

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  • Calculations On Jaw Crusher Samac Crusher

    2021-6-30Rittinger law of grindingriver aggregates jaw crusher. Bond ball mill calculations spreadsheet samac from drcMain equipments: pe series jaw crusher impact crusher sand maker raymond grinding mill vibrating screen and vibrating feeder200-350th sand production line in turkeyThe 200-350th sand production line in turkey is designed in august 2021 and put into use in october.

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  • Rittinger

    Rittinger - An Overview. consequently, size reduction may result in considerable increase in the temperature mechanical efficiency m of a size reduction device is defined as the ratio of the and the difficulty in determining its parameters, rittinger's law is only approximate. kick's law, valid for particles greater than 0.5 cm, was used less than

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  • 4 Size reduction

    2021-9-52. Rittinger's law states that the energy required for size reduction is proportional to the change in surface area of the pieces of food (instead of a change in dimension described in Kick's law): E KR 1 d2 1 d1 4 2 where KR Rittinger's constant. 3. Bond's law is used to calculate the energy required for size reduction from: E W 100 d2 100 d1 4 3

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  • grinding and crushing laws

    Rittinger and Kick's Laws of Crushing. Mar 08, 2021And Kick's law would apply to these, but the effect of the energy absorbed by these few crystals would have no appreciable effect upon the total of energy absorbed when actual crushing takes place.

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  • Size Reduction Equipment

    2021-11-15•For Rittinger'slaw n=2 •Kick's Law n=1 •Bonds law n=1.5 •Particles of average feed size 50 x 10(-4) m are crushed to an averagecrusher with circular jaws, between which material is being crushed at some point all the time. A conical crushing head gyrates inside a funnel

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  • crushing grinding reduction

    Crusher Size Reduction Ratio Calculation Method. Generally, every crusher machine is not the same, here are several common crusher size reduction ratio The impact crusher size reduction ratio is 20 to 1. The vertical shaft impact crusher size reduction ratio is 4-8 to 1.Rock Crushing Theory and Formula using KickRittinger's Law.

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  • How it Works: Crushers, Grinding Mills and Pulverizers

    2021-6-2Rittinger'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

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  • MINERAL PROCESSING LABORATORY MANUAL

    2021-10-27To study the jaw crusher and determination the actual capacity, reduction ratio and Verification of Rittinger's law of Crushing. 13-15 6 Crushing of Ore in a roll crusher, and Determination of average size by sieving. 16-18 7 To determine the reduction ratio, theoretical capacity, and actual capacity of a roll crusher. 19-21 8

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  • 4 Size reduction

    2021-9-52. Rittinger's law states that the energy required for size reduction is proportional to the change in surface area of the pieces of food (instead of a change in dimension described in Kick's law): E KR 1 d2 1 d1 4 2 where KR Rittinger's constant. 3. Bond's law is used to calculate the energy required for size reduction from: E W 100 d2

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  • 3.Comminution

    View 3.Comminution.ppt from METE 111 at Mindanao State University - Iligan Institute of Technology. Comminution Rittinger's, Kick's and Bond's Laws Crushing and Grinding Variations of Particle

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