Function Of The Primary Crusher

  • Gyratory Crusher

    Gyratory Crusher

    Gyratory crushers were invented by Charles Brown in 1877 and developed by Gates around 1881 and were referred to as a Gates crusher [1]. The smaller form is described as a cone crusher. The larger crushers are normally known as primary crushers as they are designed to receive runonmine (ROM) rocks directly from the mines.

  • function of the primary crusher

    function of the primary crusher

    Primary Crushing. The term "primary crusher," by definition, might embrace any type and size of crushing machine The term implies that at least two stages of crushing are involved, but in many cases the machine which performs the function of initial crusher is the only crusher in the plant The factors influencing the selection of a crusher for this service are much the same, regardless of ...

  • function and parts of the primary crusher

    function and parts of the primary crusher

    Primary coal crusher: Used for larger coal size. The primary coal crushers may be of different types such as: (1) coal jaw, (2) coal hammer, and (3) ring granulator. Secondary coal crusher: Used when the coal coming from the supplier is large enough to be handled by a single crusher. The primary crusher converts the feed size to one that is

  • Primary Crusher Selection Design

    Primary Crusher Selection Design

     · Primary crushers should provide a significant crushing ratio that's good enough to impact how many more downstream comminution units are required. No crusher, when set at any given discharge opening, will make a product all of which will pass a screen opening of the same dimensions as the given discharge opening. In inpit crushing, the primary function of a crusher is to provide a .

  • Function Of The Primary Crusher Crusher

    Function Of The Primary Crusher Crusher

    Primary Crusher. The appliion and function of primary crusher primary crusehr can be widely applied in mining metallurgy architecture highway railway water conservation chemical industry and other industries for different ores and big materials medium crushing primary crusher is. Technical Notes 5 Crushers Mineral Tech . Figure 51 schematic diagram of a crusher showingg the open and ...

  • Rock Crushers

    Rock Crushers

    Rock Crushers. The size requirement of the primary rock crusher is a function of grizzly openings, ore chute configuration, required throughput, ore moisture, and other factors. Usually, primary crushers are sized by the ability to accept the largest expected ore fragment. Jaw crushers are usually preferred as primary crushers in small ...

  • TECHNICAL NOTES 5 CRUSHERS

    TECHNICAL NOTES 5 CRUSHERS

    The primary operating variable available on a crusher is the set and on jaw and gyratory the openside set (OSS) is specified. This reflects the fact that considerable portions of the processed material fall through the crusher at OSS and this determines the characteristics size of the product. The set of a crusher can be varied in the field and some crushers are equipped with automatically ...

  • Crushing and Screening | AggNet

    Crushing and Screening | AggNet

    These feeders perform the dual function of feeding/conveying as well as separating smaller material to bypass the primary crusher. The oversize materials are discharged from the feeder into the primary crusher. This machine has a range of speeds but cannot control the feed rate to the crusher as precisely as an apron feeder. However, grizzly feeders are exceptional when processing freeflowing ...

  • Construction, Working and Maintenance of Crushers for ...

    Construction, Working and Maintenance of Crushers for ...

    Primary Crusher The first crusher in a crushing system into which material is fed. Succeeding crushers in the system are referred to as secondary (second), tertiary (third) or quaternary (fourth) crushers. Reduction Ratio The ratio of the top size of input material to the top size of crusher discharge material. Run of Mine (ROM) Material from a mine that has not been crushed or screened. Run ...

  • Crusher

    Crusher

    Gyratory crushers can be used for primary or secondary crushing. The crushing action is caused by the closing of the gap between the mantle line (movable) mounted on the central vertical spindle and the concave liners (fixed) mounted on the main frame of the crusher. The gap is opened and closed by an eccentric on the bottom of the spindle that causes the central vertical spindle to gyrate ...