How to calculate the processing capacity of mining crusher

How big is the processing capacity of mine crusher? Processing capacity for stone production enterprises is particularly important, it reacts to the production status of enterprises, directly affecting whether the profit or loss, different mining stone crusher processing capacity varies greatly, even if the same type of crusher model size of the different its output is also different, for example, today, General Editor will be a hammer crusher as an example, together with the study of the production capacity of the stone production line can be up to how many tons a day?

First of all, I will introduce the theoretical formula of hammer crusher Qf=Kf.E/K and important technical parameters.

Where Q --- hammer crusher production capacity, t/h;

nq --- the number of slits of discharge screen bars;

L --- length of the screen bar grid, m;

b2 --- width of the gap of the screen bars, m;

 d --- Discharge particle size, m;

K --- Ore loose and material unevenness coefficient, generally take K=0.015-0.07, small crusher take small value, large crusher take large value;

n1 --- the number of hammer rows in the direction of the rotor circumference, generally take n1=3-6;

n --- rotating speed, r/min;

ρ --- material density, kg/m3.

In addition, the theoretical data is ultimately different from reality, the theoretical formula is the establishment of the ideal working environment, mine crusher production environment is diverse, raw material hardness, humidity and external conditions, etc. affect its production, followed by the experience of breaking coal example to illustrate.

Crushing coal can be calculated according to the following formula:

Where K --- coefficient, depending on the crusher structure and crushing material hardness, generally take K = 0.12-0.22;

L1 --- rotor length, m;

D --- the diameter of the rotor with the outer edge of the hammer, m.

Can also be calculated according to the following formula:

Where K′ - coefficient, depending on the nature of the material, crusher structure and parameters, etc.. When crushing limestone and other hard materials, K′ = 30 - 50; when crushing coal, K′ = 130 -150; crusher specifications when the upper limit. Third, the shaft power calculation so far there is no accurate formula can be used to calculate the power of the hammer crusher.

In the selection of motor, can be estimated according to the following empirical formula.

Where P 0 --- hammer crusher shaft power, kW; K --- depending on the specific conditions of the empirical coefficient, K = 0.1-0.2, the upper limit of the crusher specifications.

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