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The relationship between P 50 and the capacity of K07 jaw crusher is given in Figure 9. Fig. 9. The relationship between P 50 and the throughput of K07 jaw crusher. ... So as well as the relationship between P 50 and the throughput of the jaw crusher, this empirical equation can also be used to give a throughput prediction of a similar jaw …
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the crusher and scalp out fi nes. Primary gyratory crushers – ideally suited to all high-capacity primary hard rock crushing applications. Jaw crushers – we have more installed jaw crushers than anyone in the world. The lead-ing choice due to their high reduction ratio and heavy duty design. Cone crushers – capacities available to suit all
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trial jaw crushers was analyzed using the proposed equation in combination with that of …
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For example, a 32 x 54 sized jaw crusher will measure 32 inches from the movable to stationary jaw (when measured at the top i.e. the opening), and each jaw will have a 54-inch width. If a jaw crusher is rated by jaw plate size, a suitable rating maybe 600 x 400, which indicates a 600 mm by 400 mm jaw plate dimension.
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In addition to the CSS, Johansson et al. [17] introduced a model for the evaluation of jaw crusher capacity and power draw in connection with various jaw speeds. ...
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The approximate capacity of a jaw crusher for hard rock application at a typical setting may be obtained by multiplying the width by 10 to get tonnes per hour. For example, a 48 by 60 crusher will have a capacity in the order of 600 tph when crushing ore in a hard rock mine. ... Jaw crusher: feed diameter 0.1 to 1.5m; reduction ratio 5:1 to 10: ...
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The Crusher throw is defined as the distance in the direction of compression the moving crushing surfaces/plates travel from OSS to CSS. Throw = OSS – CSS. OSS and CSS will define a crusher's performance. The throw of the crusher is the distance that moving jaw moves in going from OSS to CSS. The capacity is a function of size and OSS.
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The capture of a crushed piece occurs due to the stop located on the roll (see Fig. 1 ); in this case, the condition for formation of a complex stress state in the crushed piece is observed, and the energy consumption is reduced by 39–40% [ 9 ]. Fig. 1. Schematics of the crusher with stops on a roll. Full size image.
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How to calculate the Roll Crusher Capacity using a Formula. The theoretical capacity of crushing rolls is arrived at simply by calculating the volume of the ribbon whose cross section is the area of the discharge opening, and whose length is the peripheral speed of the roll faces per unit of time. The formula, for material weighing 100 lb per ...
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Mathematically, the capacity can be expressed by the general formula (4.8) where Q = …
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Crushing of Ore in the Jaw Crusher, and Determination of average size by sieving. 08-09 4 Crushing of Coal in the Jaw Crusher, and Determination of average size by sieving. 10-12 5 To study the jaw crusher and determination the actual capacity, reduction ratio and Verification of Rittinger's law of Crushing. 13-15 6
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The capacity of a gyratory crusher can be estimated by employing Giesking's formula (see section 3.5.), which is also applicable to jaw crushers. Example 3.5. Data given: Non-prescreened limestone withy = 1.7; opening of the crusher slot is 150 mm; diameter of crusher slot is 1800 mm, thus perimeter of discharge opening 180 em · n = 565 em.
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Calculating the Width of Crusher when the Jaw Crusher Rating and the Gape Size is Given. W = Jr / G. Where: W = Width of Crusher. J r = Jaw Crusher Rating. G = Gape Size. Let's solve an example; Find the width of crusher when the jaw crusher rating is 40 and the gape size is 4. This implies that;
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The main reason for this inefficiency is in the random distribution of forces on the particles inside the crusher. With certain simplifications, the theoretical energy efficiency of comminution can be estimated to fall between 5 and 10 % (Legendre & Zevenhoven, 2014) while the measured energy efficiency in actual comminution testing …
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Capacities and performance. characteristics of jaw crushers S.R.S. Sastri. Abstract - By us in^ the data of E.A. Herscml und F.C. Table 1 - Test of the Rose and English equation Bond's equution for enel-gy c.onsurnpriot7 in somminution, a for the effect of feed size on jaw crusher capacity method wJasdeveloped to utltrlyzp the p~t:fi)rrnanceof indrrs-trial …
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Theoretical, empirical and semi-empirical methods of capacity determination of a single-toggle jaw crusher are given, taking …
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The purpose of the primary crusher is to reduce the ROM ore to a size amenable for feeding the secondary crusher or the SAG mill grinding circuit. The ratio of reduction through a primary crusher can be up to about 8:1. Feed: ROM up to 1.5 m. Product: -300mm (for transport) to -200mm (for SAG mill) Feed Rate:
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Contact. The jaw crusher MOBICAT MC 110 EVO2 is used for the precrushing of almost all natural rock and in recycling. Compact dimensions, efficient prescreening, simple operation via SPECTIVE as well as impressive production output characterize the efficient key player. Continuous Feed System (CFS) for optimal crusher feeding.
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1. The feeding size shall be strictly controlled to avoid jamming and blockage. There is such a formula for the design size of the feed port of the jaw crusher: the size of the feed port = (1.1 ...
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Taking into account formula (5) and table 2, the coefficient of energy of destruction of granite will be 0.446 J/m3 or, in terms of kg, 1.16 kJ/kg. ... The output product of a jaw crusher was ...
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By using the data of E.A. Hersam and F.C. Bond's equation for energy consumption in comminution, a method was developed to analyze the performance of industrial jaw crushers. The study showed that industrial jaw crushers are generally operated below capacity. The study also showed that industrial jaw crushers generally …
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average with the single-toggle crusher results. Blake-type equation: C = f-d.w.y.t.n.a.r [I] Single-toggle type equation: C = f.d.w.y.t.n.a.e,r [21 where C is the capacity in short tons per hour through the crusher, f is a feed factor, dependent upon the presence of fines in the feed, and the sur- face character of the jaw plates used. Values of f:
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Jaw Crushers The next development in the field was the invention of Jaw Crushers in 1840's in North America. Eli Blake patented the Double toggle Blake Jaw Crusher in 1858. The Blake type Jaw crusher has fixed feed opening where as the dodge type jaw crusher has fixed discharge opening. 2/25/2015 6:58:05 AM 5
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The specification of jaw crusher is expressed by the feed port width B and …
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The difference between the cumulative percentages at the 3.5″ and 1.5″ points on the curve gives us the amount, of such product to be expected from the output of the primary crusher This is 85 minus 43, or …
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largely, the capacity of the crusher is determined by working mechanism kinematics. Figure 1. Kinematical scheme and kinematic parameters of single-toggle jaw crusher 3. Capacity determination methods
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Table 1 - Test of the Rose and English equation for the effect of feed size on jaw crusher capacity. Size of feed, m 0.076 - 0.102a 0.051 - 0.076a 0.025 - 0.051a 0.013 - 0.025a 0.051 - 0.064a 0.051 - 0.064a 0.051 - 0.064a 0.025 ... The final equation for the capacity of jaw crushers can now be written as. Vh K1 K2 KS d (9) where K1, K? and K3 ...
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The formula for calculating capacity of jaw crusher: C JC = G.W / CSS Where: C JC = Capacity of Jaw Crushers G = Gape Size W = Width of Crusher CSS = Closed Single Setting of Jaw Crushers Let's …
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Additionally, jaw crusher feed should be pre-screened using a grizzly screen prior to crushing to remove material finer than the closed-side setting. Setting jaw crushers. Ideally, the reduction ratio of a jaw crusher should be 6-to-1. There are different ways to calculate reduction ratio, but the best way is something called the P80 factor.
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for a prototype roll crusher. 2.1.8 Capacity of the Roll Crusher The capacity Q, of roll crushers is directly proportional to its width, W, diameter, D and the speed of revolution of rolls. Under continuous and steady feeding conditions the capacity is given by the following [4], [5]. Q = π 60 D W N L ρ
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