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A new generation of high-efficiency coarse and medium-fine crushers: CI5X series impact crushers
·This paper presents two methods for indirect regulation of cone crusher product size distribution Specific energy consumption SEC based control and ratio control of selected product fractions In Hydrocone crushers the main shaft is supported by a piston that allows for changing the crusher closed side setting CSS; that is the
·crusher main shaft piston pressure or the closed side setting the shortest distance between crushing liners not the actual size reduction Previous work has shown that these operating modes are unable to regulate the product size
The range includes the Premiertrak 400X with hydraulic adjust and the Premiertrak R400X with hydraulic release User benefits include track mobility for a quick set up time typically under 30 minutes hydraulic crusher setting adjustment for total control of product size and crusher overload protection to prevent damage by uncrushable objects
·The product from the cone crusher is ideal for feed to a ball or rod mill; laboratory pulverizer; gravity concentration testing; sizing analysis or sampling These cone crushers are durable ruggedly constructed machines to meet many demanding pilot plant or laboratory applications Adjustment for varying the product size is quick and easy
·Among his findings were empirical models showing that crusher setting feed size crusher speed and throw affects particle shape in products from cone crushers Increased average feed size increases flakiness index likewise does decreased crusher speed Further Bengtsson states that in full scale crushing there is no evidence that feed shape
·Larger setting > Product size increases Larger setting > Capacity increases Larger setting > Power draw decreases 2 Check the crusher operating speed Make sure that the operating speed of the crusher matches the application and liner profile used 3 Check the cavity in use • Based on feed size • Based on the required end product size which
Crusher Vision is an automated closed side setting system for gyratory crushers that measures the gap between the concave and mantle Crusher Vision has developed patented novel technology that offers the mining sector the opportunity to increase throughput decrease maintenance costs decrease power consumption and greatly reduces the safety concerns by
·It was found that the closed side setting and the rock strength parameters shown in Tables 3 and 4 are the controlling parameters when considering power draw and product size Prediction of cone crusher performance 1247 the performance characteristics can be expressed as a function of the closed side setting and one of the controlling
·High speed short throw crusher such as the Type R or cone will reduce practically all of its product to a one way dimension not exceeding the close side setting of the crusher; hence in a closed circuit operation if the crusher setting is anything less than the square opening product size practically all of the material will be crushed
The Crusher setting is the most important Crusher parameter since it determines the Crusher s capacity as well as the top size of the Crusher product It is therefore indispensable for everyone to understand how the Crusher setting is measured
The cone crushers are equipped with a hydraulic setting adjustment system which adjusts closed side setting and thus affects product gradation Depending on cone crusher setting can be adjusted in two ways The first way is for setting adjustment to be done by rotating the bowl against the threads so that the vertical position of the outer
·The crusher tentatively selected is an 848 Hydrocone crusher with a 5/8 in eccentric throw and 5/8 in close side setting Product from Graph No 1 is 80 percent minus 15/16 in CALCULATIONS Feed size is 3¼ in Product size is 15/16 in Ratio of reduction is 3¼ in divided by 15/16 in or Impact strength is 15
The closed side setting which determines product size can be adjusted quickly easily and while the crusher is in operation In the event tramp material enters the crushing chamber a vertical lift raises the upper frame to allow large uncrushable objects to pass freely CMB Cone Crusher speed settings are based on the crushing
Additionally gyratory crushers have a higher crushing ratio meaning that they can crush large material into smaller pieces a larger feed opening and a more consistent product size and shape compared to cone crushers However cone crushers have a more efficient crushing action for smaller materials but can produce more fines
·Figure Measured and predicted product size distribution for a 297 210μm feed sample 96 Figure Measured and predicted product size distribution for a 210 150μm feed sample 97 Figure Measured and predicted product size distribution for a 150 105μm feed sample 97
·the desired product size and the actual machine configuration gap setting CSS Range represents the variation for typical feed materials Model ERC® 18 14 ERC® 22 20 ERC 25 25 ® 25 30 ERC® 25 34 Crusher capacity 1 in metric tph depending on gap setting Gap setting CSS in mm 100 550 1 100 120 650 1 250 1 050 2 100
·The capacity range of primary crushers varies depending on the type of crusher and the size and hardness of the material being crushed Generally primary crushers have a capacity range of between 1 000 and 8 000 tons per hour Secondary crushing produces a smaller more uniform product size that can be fed into the tertiary crushers while
·It is important to match the CSS of the crusher to the top size of the product to be produced If the circuit is being closed at 25mm 1 to produce a 25mm minus product the crusher should be set at near or slightly below 25mm {{image3 a l w 640}} Impact crushers An impact crusher uses mass and velocity to break down feed material
·P as a function of the open side setting O ss mm of the gyratory crusher and the product size x mm The proposed models are used for the description of the product size distributions in cases
·Product gradation curve values are estimated depending on feed material density and crushability rotor speed installed power and with new installed blow bars Tonnage values are estimated depending on feed material size & gradation curve rock crushability material density installed power and proper crusher setting Primary Top feed size =
·HP Series cone crushers provide predictable and consistent capacity end product size gradation and shape making them a safe choice for aggregates and mining processes The crusher setting is mechanically fixed while crushing and it is secured by dual acting cylinders with a high hold down force to ensure stable end product grading and flow into
The range includes the Premiertrak 400X with hydraulic adjust and the Premiertrak R400X with hydraulic release User benefits include track mobility for a quick set up time typically under 30 minutes hydraulic crusher setting adjustment for total control of product size and crusher overload protection to prevent damage by uncrushable objects
·In this research the particles size distribution PSD are investigated of the jaw and cone crusher s products while they both setting size were same Two methods of fractal geometry and Rosin
