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Question: 2. A crusher was used on a material with a feed size of −5.08 cm+3.81 cm and the power required was 3.73KW/ton. The screen analysis of the product was as follows: What would be the power required to crush 1 ton/h of the same material from a feed of −4.44 cm+3.81 cm to a product of average product size 0.051 cm ?
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Primary crushers are designed so that the maximum size that can be presented to the crusher is approximately 80% of the gape. Jaw crushers are operated to produce a size reduction ratio between 4 :1 and 9 : 1. ... F80 Top Feed size distributions; Desired P80 Product size distributions; Feeding method; Ore work index; Ore bulk density; Ore ...
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When selecting a two-stage crusher, feed size generally dictates if a Triple Roll Crusher or Quad Roll Crusher is the appropriate choice.
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Type of Rock Crusher Description Application Feed Size Output Size Capacity Advantages Limitations; Jaw Crusher: ... They take in feed sizes as large as 1,500 mm and the finished product size ranges from 50 mm to 300 mm depending on the settings of the crusher and the material properties.
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For finer size products (e.g., -6 mm), a special cone crusher known as the Gyradisc is commonly used. Operation is similar to the Standard Cone Head; however, breakage is mostly by attrition …
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4. ROLL CRUSHER Roll crushers are used for producing additional reductions in the sizes of stone after the output of a quarry has been subjected to one or more stages of prior crushing. Roll crushers have a theoretical MAXIMUM reduction ratio of 4:1. If a 2 inch particle is fed to the roll crusher the absolute smallest size one could expect from the crusher is 1/2 inch.
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Howto Size smooth Roll Crushers Adam Zanker Smooth roll crushers are widely used as secondary crushers, operating most effectively when set for size re-ductions in a ratio between 3 or 4 to I. The feed supplied to these units var-ies from 13 to 102 mm in size and the product obtained ranges from 13 mm to about 20 mesh. Smooth roll
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Sized feed for reduction crushers is generally a screened feed which has definite maximum and minimum limits. The effect of the undersize in the feed upon the capacity of the …
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Jaw Crushers typically have a reduction ratio of 6:1, which means a 30" feed will be reduced down to 5" at the smallest size. The product size can be adjusted by opening or closing the gap between the jaw dies at the smallest …
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If the feed-to-product-size can be accomplished with 4:1 and 4:1 ratios then a Quad Roll crusher can be considered. Tooth configuration At this point in the selection process, the tooth configuration required to produce the …
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It's hard to overstate the importance of feed size in a cone crusher. It is vital that you know, as accurately as you can, the size distribution of the raw material. The CH cone crusher can be calibrated to achieve specific results, maximize productivity and minimize wear, but any calculation will be undermined without a solid ...
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Bouquety et al. (2007) investigated the influence of crusher setting and feed grading on the shape of products from tertiary crushing, and found that shape varies within the product gradation with increasing flakiness for decreasing particle size. Consequently, they conclude that increased product size results in better shape.
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An existing operating plant was making rod-mill feed nominally —5/8 in. with a total plant feed rate from the primary crusher product averaging 1,000 tph of —6 in. top size. Samples of this feed over several weeks of operation showed an average of 40% —5/8 in., which means that 600 tph of material must be crushed in two stages of crushing.
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The 159 indicates a 548 crusher size with 1″ eccentric throw. With 1-in. eccentric throw, the motor hp allowed on the crusher is a maximum of 125. However, since only 90.3 hp is required for this average material, a 100-hp motor is sufficient. ... required to reduce from any feed size to any product size by dry crushing or wet grinding.
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The small diameter feed distributor and the wide throat opening at the top of the liners enable the Standard Cone crusher to accommodate the larger feed produced by the Primary crusher. Feed opening and product size ranges for the various models of the Standard Cone crusher are as follows: a) Maximum Feed Opening — 625MM (25 In.)
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The limiting reduction ratio is the maximum feed size (known as F100) that can be put into the crusher and the maximum product size (p100) the crusher can produce. This ratio is a good starting point when choosing a crusher, as it will give you an idea if the crusher will be able to handle the size of rocks you want to work with.
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A good rule of thumb is that the maximum feed size should be 80% of the crusher opening. If the crusher opening is 30", a 24" feed top size is recommended. 4. Scalp out the fines by pre-screening the feed ... As stated in …
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That crusher must be capable to reduce the size of even the lastest rocks it is fed. To secure the capacities specified, all feed to crushers should be smaller than the feed opening of the crusher in at least one …
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Jaw crushers and cone crushers use a compression force while impactors and hammermills use an impact force. A jaw crusher is used in a wide variety of applications, including construction and recycling demolition, quarrying and mining, asphalt production, etc. This machine is a complex swing jaw crusher. The feeding port is equipped with a feeding hopper to prevent the material …
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Maximum feed size (mm) Typical maximum product size (mm) Typical capacities (t/h) Gyratory crusher: Primary: 1500: 200–300: 1200-over 5000: Jaw crusher: Primary: 1400: 200–300: ... When the run of mine product is conveyed directly from the mine to the crusher, the feed to the primary crusher passes under a magnet to remove tramp steel ...
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The results of a study showed variations in feed size distribution and revealed that an elevated amount of large particles in the feed was associated with the increased rate of material...
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The feed opening defines the maximum feed size to the crusher. In GP cone, the closed side feed opening is measured from the top ... • Based on feed size • Based on required end product size which gives required setting range • Check the crushing ratio. 6. Check the wear profile of the liners: A distorted wear profile may ...
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The screen analysis of the product from any crusher will vary widely, depending upon the character of the material, quarry conditions, and the amount of fines or product size in the initial feed at the time. TABLE 2. the sample is taken. These factors should be taken into consideration when estimating the screen analysis of the crusher product.
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ings were empirical models showing that crusher setting, feed size, ... Particle size distributions for feed and product materials for feed sizes 0/300 mm, 100/300 mm and 100/400 mm. Feed material ...
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In the case of Highland Valley, optimal feed size for mill throughput requires a balance between blasting and run-of-mine crushing. While blasting produces the ultra-fine material beneficial to …
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Essa® JC5000 Jaw Crusher Rugged and dependable, the Essa® Model JC5000 Jaw Crusher is the ... input feed size up to 250 mm. High throughput Fast and powerful crushing at 15,000 kg per hour. Increased productivity High reduction ratio, with 30 mm product size, results in quicker and more efficient crushing with reduced process stages. High ...
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911 Metallurgist is a trusted resource for practical insights, solutions, and support in mineral processing engineering, helping industry professionals succeed with proven expertise. | Correct Rock Size for Jaw Crusher Feed
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For example, a 40- x 51-in. jaw crusher calls for a maximum feed size of 32-in., a CSS range of 4- to 8-in.; and produces a desired product size that fits within that CSS range. While various crusher sizes have similar CSS range spans, some crushers operate in a bit tighter CSS range than others.
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Jaw Crusher. The range of MACSALAB Jaw Crushers is ideal for the primary crushing of samples of moderately hard materials, including coal, limestone, ore, minerals, bricks, and rubble. ... Product Table. Item Name Part Number Description; Jaw Crusher 100 x 150 ... Maximum Feed Size: 80 mm Discharge Opening: 8 - 40mm: Jaw Crusher 150 x 250 . L07 ...
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defines the maximum feed size of the crush-er. In the C Series™ jaw crusher, the feed opening is measured from the top of the tooth of the fixed jaw to the bottom of the tooth of the movable jaw in a straight line perpendicular to the center line of the crush-ing cavity. The maximum feed size is approximately 80% of the feed opening.
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Product Center . Tire type, crawler type, complete models, private customization. Mobile Crushing Plant. Crushing Machine. Sand Making Machine. ... C series European jaw crusher. Feed particle size:420 ~ 1200mm. Capacity:80 ~ 1510t / h. learn more> V6S Series Sand Making Machine. Capacity:236-720T/H. Max.feeding Size（mm）: 50
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In primary impact crushing process, the physical size of the crusher feed opening must not be considered as the true gauge to set the maximum crusher feed size and - as a result of that - assess that any lump passing through ... * The required power can be approximated if the desired product size is known.
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the crusher (L x W x H) Approx. 5,260 mm x 4,070 mm x 4,720 mm 1. The actual throughput depends on the feed material characteristics (e.g. bulk density, hardness UCS, feed particle size distribution, moisture content), the desired product size and the selected machine settings (e.g. gap setting CSS). 2.
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WHY MEKA TERTIARY IMPACT CRUSHER? ... High quality and cubical shape products with low filler content • Upto 150mm feed size ... Maximum Feed Size (mm) Maximum Feed Size (inch) 150 6: 150 6: 150 6: 90 6: 90 6: Capacity (mtph) Capacity (stph) 100-120 110-130: 220-250 240-275: 280-320 310-350:
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In mineral crushing operations, the feed rate and feed size distribution affect the crushing rate and particle size distribution of the crushed products. In the present study, copper ore...
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Crusher product size distribution depending on gap setting Passing [%] Screen opening [mm] ... Crusher capacity calculated based on a typical run-of-mine feed material with an average raw density 2.8 t/m³ and max. feed size ≤ 80 % of crusher feed opening. Actual values are depending on feed material characteristics (e.g. hardness UCS, feed ...
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