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The ore crushing process includes four types: ore coarse crushing, ore medium crushing, ore fine crushing, and ore superfine crushing. Ore coarse crushing is a …
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The 3″x 2½" (No. 1) Laboratory Jaw Crusher will reduce hard rock from 2½ inch to ¼ inch and finer at a rate of from 50 to 150 pounds per hour. This unit can be quickly and thoroughly cleaned as a safeguard against salting succeeding crushing, and provides an excellent means of reducing small quantities of ore samples quickly and ...
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Feed material Medium hard to hard rock and ore Capacity1 Up to 5,300 metric tph Technical data Configuration Pro Design (e.g. safe and reliable maintenance from top) Feed opening2 1,370 mm / 54 inch Mantle diameter 1,900 mm / 75 inch Eccentricity3 Adjustable in up to 3 settings Eccentric speed Approx. 137 rpm Gap setting range OSS 130 – 200 ...
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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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1.1 Impact crushers can be divided into two types according to the number of rotors: single-rotor and double-rotor impact crushers. 1.2 The structure of the single rotor impact crusher (Figure 1) is relatively simple and consists mainly of the rotor 5 (strike plate 4), the impact plate 7 and the machine body. The rotor is fixed to the main shaft.
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tion purposes, the compressive strengths of most hard ores lie in the range of 180-240 Mpa. The force required for the breakage of particles < 60 mm is usually < 100 kN. Interparticle break Roll diameters vary from 0.5 m to 2.8 m, and roll widths vary from 0.2 m to 1.8 m. The recom-mended maximum L/D ratio for hard ores is 0.7:1.
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A smooth surfaced roll crusher had a roll diameter of 910 mm. Its suitability to crush an ore at 10.0 t/h was being examined. Preliminary examination showed that the kinetic friction factor was 0.36 when the speed of revolution was 33 rpm. The average diameter of particles fed to the crusher was 200 mm and the S.G. of the ore was 2.8. …
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Crushers for large giant process plants >2,000 to 200,000 TPD using semi-autogenous mills only require primary crushing and are selected as well as designed based on: Expected Throughput F80 Top …
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A-Z Guide to Screening Ore, Rock & Aggregate. A simple definition of a "screen" is a machine with surface (s) used to classify materials by size. Screening is defined as "The mechanical process …
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The first stage of size reduction of hard and large lumps of run-of-mine (ROM) ore is to crush and reduce their size. Softer ores, such as placer deposits of tin, gold, mineral sands, etc., do not require such a treatment. ... Design of Jaw Crushers. ... The gape was 813 mm and the width of hopper 1067 mm. 90% of the ore commenced …
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Primary Crusher Selection & Design., degradability and it being prone to dusting or not. The crusher capacities given by manufacturers are typically in tons of 2,000 lbs. and are based on crushing limestone weighing loose about 2,700 lbs. per yard3 and having a specific gravity of 2.6. Wet, sticky and extremely hard or tough feeds will tend to ...
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5.1. A primary gyratory crusher was required to crush iron ore at the rate of 3000 t/h. The largest size of the run-of-mine ore was 1000 mm. The required product size was less than 162 mm. Manufacturer's data indicated that the nearest size of gyratory crusher would be 1370 mm × 1880 mm with a cone angle of 18°.
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Size distributions of the crusher products from feed size classes of -13.2+9.5 and -19+13.2 mm for various disc rotational speeds (330, 550, and 830 r/ min), offset of 10 mm and exit gap of 3 mm
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Available TS Crusher Sizes (mm) 900 x 1400 1100 x 1800 1300 x 1800 1400 x 2100 1600 x 2400 1600 x 2900 ... low maintenance design to handle increasingly hard ores and …
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Open side setting & close side setting range of one 2000 tph primary crusher will be 205 mm to 130 mm respectively and the feeding material size is of 1200 mm. The quality and quantity of the material are produced by the crusher are the result of interaction between the crusher and ore material. Crusher design depends on hard ore, High …
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The number of crushing stages necessary to reduce ore to the proper size varies with the type of ore. Hard ores like gold, iron, and molybdenum ores, may require as much as a …
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C120™ models. This greatly enhances the crusher's performance in hard applications with frequent uncrushable objects, such as in recycling or slag applications. It also significantly improves uptime as it lets you adjust settings under a full crushing load. With ASC, combined with IC10C, the crusher setting opens automatically when it
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Feed material Medium hard to hard rock and ore Capacity1 Up to 8,500 metric tph Technical data Configuration Pro Design (e.g. safe and reliable maintenance from top) Feed opening2 1,600 mm / 63 inch Mantle diameter 2,260 mm / 89 inch Eccentricity3 Adjustable in up to 3 settings Eccentric speed Approx. 130 rpm Gap setting range OSS 150 – 240 mm
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WebCrusher Design 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 …
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design characteristics They crush medium-hard to hard material mainly where a high crushing ratio and a cubical, stress-free end product are required, and they are used: for limestone, gypsum, slag, over - burden and stone; for the selective crushing of ore-bearing material; in the chemical industry for pyrite, barite, bauxite, etc..
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has to follow these three steps: crusher selection, crusher layout and process design. 2.4 Crushers . A crusher is a tool or machine that is used to reduce the size of a large solid particle to a smaller solid particle. The ore can have a size of up to 400mm. There are many types of crushers but the major ones are the jaw, gyratory and the cone ...
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For impact crushers, a fully hydraulic crusher gap setting with automatic zero-point calculation can speed daily set-up. Featured only on certain mobile impact crushers, a fully hydraulic adjustment capability …
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Solid, weight-optimized design Automatic grease lubrication unit Reliable lubrication of upper main shaft bearing Technical specification General data Materials Granite, basalt, iron ore etc. Maximum feed size Up to 400 mm edge length Product size 0 – 56 mm 0 – 63 mm Capacity 0 – 56 mm: 0 – 63 mm: Up to 690 tph Up to 750 tph Crusher
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Jaw Crusher. CE Africa series Jaw Crushers are mainly applied to coarse crushing in mine and aggregate industries, with the processing capacity ranging from 60 to 1,500t/h as coarse crushing when cooperating with CE …
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f) Select the relevant crusher from the capacity tables =CV228. TONNAGE THROUGHPUTS It is vitally important that the correct size of crusher is selected for the required application. Be aware that when operating the crusher in closed circuit, the total crusher load needs to be used in calculations (raw feed plus return feed).
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Feed material Medium hard to hard rock and ore Capacity1 Up to 14,500 metric tph Technical data Configuration Pro Design (e.g. safe and reliable maintenance from top) Feed opening2 1,600 mm / 63 inch Mantle diameter 3,300 mm / 130 inch Eccentricity3 Adjustable in up to 3 settings Eccentric speed Approx. 123 rpm Gap setting range OSS 170 – 300 mm
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The actual capacity was obtained to be 301 kg/h after the performance evaluation of the machine, and it has a 98 % material recovery rate and 75.25 % machine efficiency. The machine has a ...
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Detail descriptions of designs are given of large gyratory crushers that are used as primary crushers to reduce the size of large run-of-mine ore pieces to acceptable sizes. …
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Where the finished product is to be relatively coarse, i.e., top size to be 38 mm (1 1/2") or larger. Attrition Attrition is the reduction of materials by scrubbing it between two hard surfaces. However, ... The crusher is the workhorse of the hard rock crushing industry. A gyratory crusher uses a mantle that gyrates (rotates) within a cone ...
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