bond work index equation for jaw crusher. bond work index equation for jaw crusher general . Bond crushing Law and Work Index - smart-university.eu.

Before Bond's law appeared, it was known that Rittinger's . material crushed but also on the kind of crusher used. Bond's equation made allowance for this.

Grinding equipment. Crushers Hammer mills. Fixed-head mills. Plate mills .. In Bond's equation, if L is expressed in microns, this defines Ei and Bond calls this.

12 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.

It starts with Bond's Work Index equation: w1 . For any circuit, whether a crushing circuit, a rod mill, or a closed ball mill circuit, the Work Index always means the.

Many of them do not take care of mechanical losses in the crusher, they only consider the . Bond, so we are having three laws of comminution and we call it Kicks law, ... So when we deal with very large size of feed we can write the equation.

Looking for Bond's law? Find out information about Bond's law. A statement that relates the work required for the crushing of solid materials to the product size.

Sep 4, 2016 . 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 . Finally differential equation is described which gives expressions of all three laws. . Lesson 10 Crushing and Grinding: Technical Level Intermediate - Duration: 37:09.

tions. More than half of this energy is consumed in the crushing and grinding of minerals, . ferential equation: n d. )d(d. C . For N=1.5, you get the Bond law. )A.

Sep 4, 2016 . 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 . Finally differential equation is described which gives expressions of all three laws. . Lesson 10 Crushing and Grinding: Technical Level Intermediate - Duration: 37:09.

Before Bond's law appeared, it was known that Rittinger's . material crushed but also on the kind of crusher used. Bond's equation made allowance for this.

The minimum energy required for crushing is the energy required for creating fresh surface. . Note that the definition of particle size in Bonds law is different: 80.

crusher were compared with those of the Bond crushing energies (estimated from the Bond . Each calculation step includes the solution of equations of motion to a particle, using a force-displacement law for each contact1. The rock is.

2) the efficiency decreases from crushing to grinding steadily; the upper . case of general equation (1) derived by Walker,. Lewis. McAdams" and . Rittinger's theory E = C ( 1 /x2 —1 /x1 ). Kick's law. E. — / n (x2 / x1 ) . . . Bond. E — 2 C (1/NT2.

calculations bond s law for crushing - expertsindia. Comparison between bond crushing energy and fracture … crusher were compared with those of the Bond.

bonds law equation in crushers,### Size reduction (GIKI) - SlideShare

Oct 10, 2014 . Bond's Law: – Neither of these two laws permits an accurate . and Kick's laws, by putting p = −3/2 in the general equation: • Writing . A greater size reduction ratio can be obtained in fine crushers than in coarse crushers; 13.

Equation (6.2) can be used to select the size of roll crushers for specific .. HPGR, Rittinger's law (see Chapter 2) was more appropriate than Bond's work index.

Abstract. The work index Wi was defined by F. Bond as the specific energy (kWh/ton) required to reduce a particulate .. calculated by the formula provided by Stamboltzis [7]. 9.9. P ... [5] F. C. Bond, "Crushing and Grinding Calculations," Brit-.

bonds law equation in crushers,### UNIT OPERATION Size Reduction

fc is called the crushing strength of the material which, on integration gives: = Kick's Law(1) . mass) is proportional to 1/L, equation (2) postulates that the . smaller particles, than that predicted by Kick's Law. . Assume Bond's equation.

bonds law equation in crushers,### calculation of the required semiautogenous mill power based on the .

set of empirical equations for estimation of mill power suffi- cient for reaching . the Bond work indexes of crushing, rod milling and ball milling. The authors.

fc is called the crushing strength of the material which, on integration gives: = Kick's Law(1) . mass) is proportional to 1/L, equation (2) postulates that the . smaller particles, than that predicted by Kick's Law. . Assume Bond's equation.

bonds law equation in crushers,### Roll Crushers - ScienceDirect

Equation (6.2) can be used to select the size of roll crushers for specific .. HPGR, Rittinger's law (see Chapter 2) was more appropriate than Bond's work index.

bonds law equation in crushers,### CHAPTER 11 SIZE REDUCTION Raw materials often . - NZIFST

where KK is called Kick's constant and fc is called the crushing strength of the material, we . of new surface are being created, Rittinger's Law fits the experimental data better. . In Bond's equation, if L is expressed in microns, this defines.

The minimum energy required for crushing is the energy required for creating fresh surface. . Note that the definition of particle size in Bonds law is different: 80.

Oct 5, 2017 . Following Rittingers law, Crushing efficiency is ____ a) Independent of feed . 3. What does the below equation represent? . c) Bond Law

In case of crushing a classical law known as Kick's law is best suited: . This law introduces two new concepts namely, "The Bond . The Bond's equation is:.

reduction is given by Bond's law as follows (in kWh/short-ton) [29, 30]:. W = 10Wi . For jaw crusher application, the specific energy term in equation (3) can be.

mental data well, and therefore a modified Bond equation was developed. . is applicable for crushing, Rittinger's equation may be used for finer grinding, and . Law can be reasonably applied to the range in which ball/rod mills operate in.

Comminution is the reduction of solid materials from one average particle size to a smaller average particle size, by crushing, grinding, cutting, . Holmes's law, which modifies Bond's law by substituting the square root with an exponent that.

Nov 15, 2014 . energy calculated using equations obtained by multiple regression . Kick's "law" gives good results for crushing, Bond's for grinding and.

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