Application Field: Mining, metallurgy, construction, highway, railroad, and water conservancy, etc.
Appliable Materials:Limestone, granite, pebbles, cobble, iron ore, basalt and all kinds of hard and soft ores with compressive strength not higher than 320 Mpa.
The term secondary crushing has become well established and familiar through long usage it applies to the crushing stage, either single or multiple, which follows immediately after the primary crusher, taking all or a portion of the product of the primary crushing stage as its term should not be used, as it sometimes is, to designate a particular type or size of crusher because
The term secondary crushing has become well established and familiar through long usage it applies to the crushing stage, either single or multiple, which follows immediately after the primary crusher, taking all or a portion of the product of the primary crushing stage as its term should not be used, as it sometimes is, to designate a particular type or size of crusher becauseThese are i primary crusher, ii secondary crusher, and iii tertiary crusher. The primary crusher receives material directly from run of mine ROM after blasting and produces the first reduction in size. The output of the primary crusher is fed to a secondary crusher, which further reduces the size of the material.A gyratory crusher is one of the main types of primary crushers in a mine or ore processing plant. Gyratory crushers are designated in size either by the gape and mantle diameter or by the size of the receiving opening. Gyratory crushers can be used for primary or secondary crushing.Gyratory crushers are frequently used in the primary crushing stage and a little less often in in the secondary stage. Gyratory crushers have an oscillating shaft. The material is reduced in a crushing cavity, between an external fixed element bowl liner and an internal moving element mantle mounted on the oscillating shaft assembly.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 acceptable to the secondary crusher.NPK39s PrimarySecondary Concrete Crushers are designed to effectively handle any primary andor secondary demolition and recycling operation. NPK concrete pulverizers easily crush through reinforced concrete and cut through light steel structures allowing material to be separated and recycled, and simultaneously, permits easier handling of material.Sandvik QI341 mobile impact crusher is the most versatile and cost effective midsized unit on the market. Fitted with the CI611 Prisec impactor, this unit can operate in both primary and secondary applications.Metso39s product family of primary gyratory crushers is called Superior MKIII primary gyratory crushers. The MKIII stands for the third generation of the Superior primary gyratory crushers Metso has developed during over 100 years in designing and manufacturing crushers.. The latest Metso Superior MKIII primary gyratory crushers generation is again better, more efficient, saferRoll crushers are generally not used as primary crushers for hard ores. Even for softer ores, like chalcocite and chalcopyrite they have been used as secondary crushers. Choke feeding is not advisable as it tends to produce particles of irregular size. Both open and closed circuit crushing are employed.This one involves both SECONDARY and TERTIARY crushing. This circuit is employed where either the tonnage or the work index of the ore is high enough to require that the crushing be done in stages. Again the ore will come from a Primary crusher and be scalped. The coarse material will be crushed by the secondary crusher.Secondary Impact Crushers Models and Specs. With their high performance, high reduction percentages and perfect cubicalshaped final product, AGGRETEK secondary impact crushers are a great economical solution for crushing both mediumhard and hard materials such as river gravel, limestone and dolomite.The allnew 700 range of Horizontal Shaft impact crushers offers new levels of safety and efficiency. Developed to comply with new EU legislation, you can configure these smart, modular crushers to operate in a variety of applications in either primary or secondary crushing mode.Quad Roll Crushers also feature hydraulic product size adjustment for both the primary and secondary crushing stages. This allows producers the option of changing size specifications or adjusting for wear if the need arises. Quad Roll Crushers feature an automatic toggle relief mechanism for both stages.McLanahan offers a wide selection of Impact Crushers for quarried limestone and semiabrasive minerals. McLanahan draws from the 75 years of field experience with the Universal line of Impactors, which includes impact breakers and Andreasstyle impactors. At present, we offer the New Hollandstyle primary impact breaker and the MaxCap XSeries Primary, providing a means to reduce quarry shot