how to find the feed rate for jaw crusher

Tofindthe required areas ofscreen, therateoffeedof material as well as gradation of thefeedmust be known. The 1½-in. screen under thejaw crusheris the top deck—no deck correction factor will be necessary. Therefore, the 1½-in. screen will need to be at least 70/2.7 = 29.9 sq ft in area.

May 13, 2019· Additionally,jaw crusher feedshould be pre-screened using a grizzly screen prior to crushing toremovematerial finer than the closed-side setting.Setting jaw crushers. Ideally, thereduction ratioof ajaw crushershould be 6-to-1. There are different ways tocalculate reduction ratio, but the best way is something called the P80 factor.

Themaximum feed sizefor ajaw crushershould be about 85% of the gape. Source: Arthur Taggart The combination of ajaw crusherand a scalping grizzly will have 15% more capacity than a stand-alonejaw crusher.

Using the F80 rule with the 32 x 54Jaw Crusher, the 32” gape opening equals a 26” top sizedfeed, and with the 6:1ratioof reduction, thedischarge settingwould be around 4”.

An optional integratedmotor baseallows installing thecrusher drive motordirectly to the back of thecrusher. An optionalfeed chute, on the other hand, is engineered for uninterrupted material flow from thefeederinto thecrusher. Lifting tools forjaw dies, cheek plates and toggle plate as standard.

Thecrusherandfeedparameters used are closed side setting (CSS), speed,feed rateandfeedgradation. This paper presents a parameter study investigating the effect offeedandjaw crusherparameters on the quality of aggregates produced from single-stage crushing.

The mobilejaw crusheris equipped with a special wobbler feeder for prescreening to permit thorough screening of cohesivefeedmaterial. Job Report Thanks to the mobile combination of plants from KLEEMANN, up to 600 tons of iron ore are processed per hour in the "Ridges Iron Ore Project" in the Kimberley region.

Jaw crushers finda wide application for brittle materials. For example, they are used for comminution of porous copper cake. A Fritschjaw crusherwith maximalfeedsize 95 mm, final fineness (depends on gap setting) 0.3–15 mm, and maximal continuous throughput 250 Kg/h is shown in Fig. 2.8.

The ore is to be broken down in a jaw crusher to pass through a 11.5 cm screen. The undersize is scalped before feeding to the jaw crusher. Assuming the maximum feed rate is maintained at 30 t/h and the shapes of feed and product are the same and the crusher set is 10 cm, estimate the size of jaw crusher required and the production rate.

Aug 14, 2019· A continuousfeed-ratewas simulated in EDEM, which is crucial in analyzing the crushing of the ore, as thejaw crusherusually operates with uniform feeding and its crushing performance is dynamically affected by the fill level. [Video at the end of the post] Users can choose which approach to follow for simulating ajaw crusherin EDEM:

FeedingJaw Crushers. It is desirable tofeed jaw crusherscontinuously. However,feedis often provided intermittently using front end loaders, shovels or trucks. Whenthe feed rateexceeds the productrate, the condition is known as choke feeding.

Jaw crushersoperate according to the principle of pressure crushing. The crushed material is crushed in the wedge-shaped pit between the fixedcrusher jawand thecrusher jawarticulated on an eccentric shaft. The material is crushed by the elliptic course of movement and falls down due to gravity.

Jaw CrusherOutput CalculationJaw CrusherOutput Calculation Output for mobilejaw crushersranges from 100 to 1500 tph depending on the model size and consistency ofthe feedmaterial Get Price And Support Online conecrusherutilisation capacity calculation In order to dynamically analyze andcalculateconecrusherThe width of thejaw...

RocksizerJaw Crushers. RockSizer primary stagejaw crushersfeature the upthrust toggle action which is also common to the StoneSizer range. Developed by Parker, this gives a slight downward movement to the swingjawthat promotes a forcedfeedand therefore increased output while at the same time minimising any rubbing action resulting in a well shaped product and reduced and even wear on ...

The mobilejaw crusheris equipped with a special wobbler feeder for prescreening to permit thorough screening of cohesivefeedmaterial. Job Report Thanks to the mobile combination of plants from KLEEMANN, up to 600 tons of iron ore are processed per hour in the "Ridges Iron Ore Project" in the Kimberley region.

Dec 05, 2016· “Fines in thecrusher feed” is defined as material entering the top of thecrusher, which is already equal to or smaller than thecrusher’s closed-side discharge setting. As a rule of thumb, the maximum number of fines in thecrusher feedshould not exceed 25 percent for secondarycrushersor 10 percent for tertiarycrushers.

Jaw crushersare mainly used as primarycrushers. Their main purpose is to reduce rocks to smaller sizes for the next crushing stages.Jaw crushersare a popular alternative to primary gyratorycrushers, since they can process large amounts of hard material efficiently.

ImpactCrushersare best used with softer rock, such as limestone and sandstone, and for recycling processed materials like concrete and asphalt. Impactcrusherstend to produce more “fines” thanJaw crushers.Jaw Crushershave two opposing ribbed panels, or jaws, with onejawmoving forward and back to crush raw material against the fixedjaw.

SandvikQJ341 mobile jaw crusheris the ideal solution for a wide range of applications. It's equipped with a C12jaw crusher, a powerful and fuel-efficient engine, and is designed to tackle the most difficult operations. ... such as the self-locking hopper and optionaljawlevel sensor which controlsfeed ratewith minimal input from the user.

Jaw crushers finda wide application for brittle materials. For example, they are used for comminution of porous copper cake. A Fritschjaw crusherwith maximalfeedsize 95 mm, final fineness (depends on gap setting) 0.3–15 mm, and maximal continuous throughput 250 Kg/h is shown in Fig. 2.8.

The above figures represent through thecrushercapacities, which are based on afeedmaterial with an average specific gravity of 2.7 t/m3, a maximumfeedsize that will enter thecrusherwithout bridging and material finer than thecrushersclosed side setting removed.