400tph Stone Crusher Project Report

Telsmith.Comjaw crushers safe & versatile productivity.Telsmith manufactures a wide range of crushing equipment thats engineered with the highest standards of safety, productivity, and ease of maintenance for mining, aggregates, crushed stone production, and recycling applications.

Cobra single roll crushers are the lightest duty in the mclanahan line of single roll crushers.They are ideal for wet, sticky feeds and for processing materials such as clean coal, petroleum coke, sulfur, rosin, foundry cores, frozen agglomerates and other friable materials.

In the working process of sand production line, the bulk stone is uniformly fed into the jaw crusher by vibrating feeder for coarse crushing, and the coarse stone is fed into the cone crusher (or counterattack crusher) by belt conveyor.

Honestly, when purchasing aportable rock crusher, please do not stare at cheap price only, and it cannot provide you an ideal machine that you want.The quality of components decides the quality of the whole machine, which means parts with good material make up of a tough machine with long-term service life.

To cone crusher breaks rock by cute the rock between an eccentrically gyrating spindle, which is covered by a wear resistant mantle, and the enclosing concave hopper, covered by a manganese concave or a bowl liner.Stone crusher is designed to grind or crush various types of rock into small, relatively fine pieces.Aggregate crushers are used in mining, quarrying and recycling operations.Several types of crushers can perform this task including roller crusher, gyratory crusher, jaw crusher and so on.In a question-answer forum danny meyer was the first to reply.Aggregate crusher can be relatively small, like the mobile units used for reclaiming recycled asphalt, or huge machines that can process thousands of tons of material a day.

2.Links net oil, net water, gas, net and net body.Fuel is not clean, can co-precision mechanical wear and tear, increased joint space, causing oil spill, drip, low supply pressure, the gap becomes larger, and even cause oil plug, axle bush-burning tension, such as prejudice; if the atmosphere contains large amounts of dust, it will accelerate the jaw crusher cylinder, piston and piston ring wear; if the cooling water is not clean, cool scale growth will impede the impact crusher engine cooling, lubrication, deterioration, mechanical wear tight; if the body looks dirty, hand to the body will decay, shrinkage using life.

Established in 1986, hongxing machinery has steadily grown and developed into being the bellwether of crusher and sand making machine manufacturer with a complete production line of crushing, grinding and screening.The cone crusher it manufactured includes pyt series spring cone crusher and gny series single cylinder hydraulic high-energy cone crusher.Hongxing is also active in the pursuit of more sustainable production in order to reduce the carbon footprint and environmental pollution.

Crushing is the first step of mineral processing where the ore/rocks from the mine site is fed to mechanical equipment in order to reduce the size for subsequent stages and thus liberate the valuable mineral from the gangue.Mostly this stage is dry and can be performed in various stages (2-4).The crushers are used to reduce the size of the rom ore (as large as 1.5m) to a size that can be fed to ball grinder(as small s 4-6mm).Depending upon the requirement there could be a primary, secondary, tertiary and quaternary stage.In most of the operations primary stage is performed at the mine site (surface or underground).Primary crushing machines are commonly designed to operate 75% of the available time, mainly because of interruptions caused by insufficient crusher feed and by mechanical delays in the crusher.Different types of breakers can be operated in open circuit or in closed circuit, and mostly secondary and tertiary crushers are operated in closed circuit.

The main parts of the swing jaw crusher are stationary jaw die, movable jaw die, impellor, eccentric shaft, toggle plate.Single toggle jaw crusher with simple structure, high crushing ratio, is suited for crushing large hard rock.Besides, swing movement wont cause much abrasion on the movable die, thereby easy to maintain.But it is affected by tiny spaces and transport conditions especially in the remote area because of its large volume and heavyweight.There is a trend that a double toggle jaw rock crusher is gradually replacing the single toggle one.

If the moisture content is less than 10%, we should choose the pch ring hammer crusher.As a type of hammer crusher, this equipment is applied for non-cohesive material crushing, and its moisture content should be less than 10%.It can be used in raw coal crushing production line and sand making production line.In addition, it can replace the cone crusher in a beneficiation production line.And it is suitable for moderately hard and weak corrosivity material crushing, such as gangue, coal, salt, chalk, gypsum, tile, limestone, coke, red sandstone, slag, shale, etc.

1.What is the average particle size of ultra-fine grinders?a) 1 to 20 mb) 4 to 10 mc) 5 to 200 md) 50 to 100 mview answeranswer: aexplanation: the particle averaging 1 to 2 m in size with substantially all particles through a standard 325 mesh screen.Advertisement freestar.Queue.Push(function () { googletag.Display('sanfoundry_300x250_320x50_320x100_inlist1'); }); 2.Which of the following uses impact and attrition?a) ball millb) tumbling millc) ultra-fine grindersd) hammer millview answeranswer: cexplanation: grinding takes place due to impact and attrition, it consists set of swing hammers, rotor, classifier wheels and fan wheels.3.What is the feed size for a ultra-fine grinder?a) > 34 inchesb) < 34 inchesc) > 12 inchesd) < 12 inchesview answeranswer: bexplanation: the feed size of ultra-fine grinder is less than 34 inches and the product sizes between 1 to 20 micro meter passing through 100 mesh.4.The fluid energy mill involves __________a) pressureb) temperaturec) fluidd) densityview answeranswer: aexplanation: the fluid energy mill usually uses compressed air and super-heated steam admitted at a pressure of 7 atm through nozzles.5.At what speed stirred mill operates?a) 50 to 500 rpmb) 5 to 10 rpmc) 10 to 500 rpmd) 100 to 1500 rpmview answeranswer: dexplanation: in a stirred mill, a central paddle wheel or impellor armature stirs the media at speed from 100 to 1500 rpm.Advertisement freestar.Queue.Push(function () { googletag.Display('sanfoundry_300x250_320x50_320x100_inlist2'); }); 6.What does colloid mill produces?a) emulsions and solid dispersionsb) wet and dry productsc) coarse and fine particlesd) broad particlesview answeranswer: aexplanation: colloidal suspensions, emulsions and solid dispersions are produced by means of colloid mills or dispersions mills.7.The clearance between rotor and stator is ______a) 5 to 10 mmb) 1 to 2.5 mmc) 0 to 1.25 mmd) 5 to 15 mmview answeranswer: cexplanation: the mill consists of a flat rotor and stator, the clearance between the rotor and stator is generally 1 to 1.25 mm.8.The power consumption of colloid mill is _______a) very lowb) optimumc) criticald) very highview answeranswer: dexplanation: the power consumption is very high and the material should therefore be ground as fine as possible before it is fed to mill.9.The speed of a rotary knife cutter is ___a) 100 to 500 rev/minb) 200 to 900 rev/minc) 400 to 600 rev/mind) 50 to 60 rev/minview answeranswer: cexplanation: a rotary knife cutter contains a horizontal rotor turning at 200 to 900 revolutions per minute, which is cylindrical chamber.10.______ indicates the impact of resistance.A) toughnessb) rigidityc) brittlenessd) fatigueview answeranswer: aexplanation: toughness indicates the impact of resistance.It is the inverse of friability and brittleness, it is also a deciding factor for commutation.Advertisement freestar.Queue.Push(function () { googletag.Display('sanfoundry_300x250_320x50_btf_1'); }); sanfoundry global education & learning series mechanical operations.To practice all areas of mechanical operations, here is complete set of 1000+ multiple choice questions and answers. prev page - mechanical operations questions and answers intermediate and fine crushers next page - mechanical operations questions and answers advantages of ball mill.

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