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symons cone crusher with large capacity | fote machinery

symons cone crusher with large capacity | fote machinery

It is developed and improved by introducing and absorbing the foreign technology to meet customer's needs, and also a modern high-performance cone crusher with high swing frequency, optimized cavity and reasonable stroke on the principle of laminating crushing and more-breaking and less-grinding concept design.

It is mainly exported to Zimbabwe, Pakistan, India, Tanzania and other Africa and Asia regions. Compared with the traditional spring cone crusher, Symons cone crusher has the features of reliable structure, high productive efficiency, easy maintenance and cheap prices, etc.

The conical shaft core rotates and moves by the driving of the eccentric sleeve, causing the surface of the broken wall to be close or leave the surface of the rolling wall, therefore, the material is continuously crushed by the crushing and bending in the annular crushing cavity composed of the fixed cone and the moving cone.

The hydraulic system is one of the important devices for the Symons cone crusher. When faults occur, the crusher often appears abnormal phenomenon in advance. Crusher should be checked and maintained regularly. Finding and removing small fault has great significance in the prevention of major fault.

There are fewer manufacturers producing Symons cone crushers because a certain capacity and strong experience are required to produce this equipment. Fote Heavy Machinery is a large manufacturing base of mining machinery which is located in Zhengzhou city, Henan province, China.

The company has abundant styles and models of mining machinery which can meet the requirements of users in large, middle and mini stone materials production. The company provides customers with free technology and after-sales installation guidance service until customers are satisfied.

The price of the Symons (Compound) cone crusher is affected by many factors. The equipment prices of different sizes and models are totally different, for the technology selected by the equipment and the production requirements of the user result in higher or lower equipment cost.

As a leading mining machinery manufacturer and exporter in China, we are always here to provide you with high quality products and better services. Welcome to contact us through one of the following ways or visit our company and factories.

Based on the high quality and complete after-sales service, our products have been exported to more than 120 countries and regions. Fote Machinery has been the choice of more than 200,000 customers.

replacing the symons 7 cone crusher with more productive solution - metso

replacing the symons 7 cone crusher with more productive solution - metso

There are thousands of Symons 7 crushers and units with similar technology working all over the world. As there are more effective technologies available, Metso has solutions to either upgrade or replace the Symons 7 effectively in second crushing stage.

The Symons 7 is a legend in the world of cone crushers. Yet operating one is becoming more and more challenging in a business environment that puts increasing emphasis on safety and sustainability. Productivity requirements, such as the need to maximize production uptime, are also increasing, and call for flexible on-line process adjustments.

In mining, the goal is to maximize the reduction of the ore throughout the whole crushing process. In aggregates, global megatrends in developed countries are showing increased demand of finer aggregates, while developing markets still call for more coarse aggregates. Altogether, this sets a flexibility challenge for new technology.

Mines and quarries are often faced with a decision whether to upgrade existing crusher or replace it with new and more effective technologies. Metso offers a range of important Crusher upgrades for Symons machines aimed at improving safety, operating and maintenance features of your existing crusher. However, sometimes this is simply not enough and a new machine such as the Nordberg GP7 secondary gyratory crusher should be considered.

The Nordberg GP7secondary gyratory crusher has been developed to crush feed materials efficiently, reliably and economically. With 560 kW (750 hp) power and 61 tonnes (135 000 lbs) ofweight, Nordberg GP7 has the highest performance in its weight class.

Nordberg GP7 can easily be configured to work efficiently with the rest of the crushing plant thanks to the number of strokes available. The robust design of the crusher guarantees that Nordberg GP7 adapts to varying operation and on/off feed conditions. In addition, the excellent capacity of Nordberg GP7 is the result of a constant feed opening, efficient stroke and steep cavity.

Due to the fact that Nordberg GP7 allowed power is clearly bigger than of Symons 7, the increased energy is used for making your end-product curve finer. Finer and well prepared end product curve already after secondary crusher means better feed for the downstream process, ie. the next crushing and screening stage. In mining, crushing finer reduces the costs of grinding for instance.

Replacing the Symons 7' with Nordberg GP7 secondary gyratory crusher will increase your crushing plant's productivity. Nordberg GP7 can process more ore to the same reduction or the same quantity of ore to a finer reduction than Symons 7'. Nordberg GP7 is designed to fit onto a Symons 7' cone crusher foundation and it has exactly the same footprint.That translates into higher productivity with substantial savings in plant modifications or building and foundation costs.

cone crusher - tips of operation and regular maintenance | hxjq

cone crusher - tips of operation and regular maintenance | hxjq

During the using process, if the worker operates and maintains the crusher according to correct standards, it will have great significance in normal production, output, quality, service life, working efficiency and the prevention of accidents, etc.

At present, the common cone crushers are mainly the single toggle cone crusher and compound cone crusher (Symons cone crusher). Although both types of cone crushers are totally different, they have the same operation procedure.

The operation procedure of cone crusher can be divided into four stages: before the start, at start-up, at run time and turning-off time. All conditions should be paid attention in each stage, and the potential problems can be found and solved timely and the service time can be prolonged.

Turn on the lubricating oil pump to run for three to five minutes. After everything runs well, turn on the crusher as required. After the crusher idles for one to two minutes, confirm that all things are well, and feed the rocks or stones.

During the crushing process, there is a great impact on the concave which makes the filled zinc layer be out of shape. Therefore, the U-type bolt should be tightened frequently to make the concave fix and avoid concave from deformation.

The mantle is fixed by the upper bolt of the main shaft. The looseness of the bolt can make the mantle unstable, even the filled layer may fall off to cause downtime. Hence, the bolts should be often checked and fixed to avoid looseness.

The spherical bearing should be installed in the borehole of crusher closely. After a long period of working, the tightness of crusher' parts can be broken. The tightness of spherical bearing must be checked frequently, and the oil gallery of the spherical bearing should be kept clean.

Water seal is the equipment for preventing crusher from dust, which is very important to the normal operation of cone crusher. Therefore, daily maintenance and checking its integrality are very necessary.

Through the study of this article, you must have a deeper understanding of the operation and maintenance of the cone crusher. In the case of the above-mentioned failure of the crusher, the problem is analyzed and solved by referring to the method given in this article.

cone crusher - an overview | sciencedirect topics

cone crusher - an overview | sciencedirect topics

Cone crushers were originally designed and developed by Symons around 1920 and therefore are often described as Symons cone crushers. As the mechanisms of crushing in these crushers are similar to gyratory crushers their designs are similar, but in this case the spindle is supported at the bottom of the gyrating cone instead of being suspended as in larger gyratory crushers. Figure5.3 is a schematic diagram of a cone crusher.

The breaking head gyrates inside an inverted truncated cone. These crushers are designed so that the head-to-depth ratio is larger than the standard gyratory crusher and the cone angles are much flatter and the slope of the mantle and the concaves are parallel to each other. The flatter cone angles help to retain the particles longer between the crushing surfaces and therefore produce much finer particles. To prevent damage to the crushing surfaces, the concave or shell of the crushers is held in place by strong springs or hydraulics which yield to permit uncrushable tramp material to pass through.

The secondary crushers are designated as Standard cone crushers having stepped liners and tertiary Short Head cone crushers, which have smoother crushing faces and steeper cone angles of the breaking head. The approximate distance of the annular space at the discharge end designates the size of the cone crushers. A brief summary of the design characteristics is given in Table5.4 for crusher operation in open-circuit and closed-circuit situations.

The Standard cone crushers are for normal use. The Short Head cone crushers are designed for tertiary or quaternary crushing where finer product is required. These crushers are invariably operated in closed circuit. The final product sizes are fine, medium or coarse depending on the closed set spacing, the configuration of the crushing chamber and classifier performance, which is always installed in parallel.

For finer product sizes, i.e., less than 6mm, special cone crushers known as Gyradisc crushers are available. The operation is similar to the standard cone crushers, except that the size reduction is caused more by attrition than by impact [5]. The reduction ratio is around 8:1 and as the product size is relatively small the feed size is limited to less than 50mm with a nip angle between 25 and 30. The Gyradisc crushers have head diameters from around 900 to 2100mm. These crushers are always operated under choke feed conditions. The feed size is less than 50mm and therefore the product size is usually less than 69mm.

Maintenance of the wear components in both gyratory and cone crushers is one of the major operating costs. Wear monitoring is possible using a Faro Arm (Figure 6.10), which is a portable coordinate measurement machine. Ultrasonic profiling is also used. A more advanced system using a laser scanner tool to profile the mantle and concave produces a 3D image of the crushing chamber (Erikson, 2014). Some of the benefits of the liner profiling systems include: improved prediction of mantle and concave liner replacement; identifying asymmetric and high wear areas; measurement of open and closed side settings; and quantifying wear life with competing liner alloys.

Various types of rock fracture occur at different loading rates. For example, rock destruction by a boring machine, a jaw or cone crusher, and a grinding roll machine are within the extent of low loading rates, often called quasistatic loading condition. On the contrary, rock fracture in percussive drilling and blasting happens under high loading rates, usually named dynamic loading condition. This chapter presents loading rate effects on rock strengths, rock fracture toughness, rock fragmentation, energy partitioning, and energy efficiency. Finally, some of engineering applications of loading rate effects are discussed.

In Chapter4, we have already seen the mechanism of crushing in a jaw crusher. Considering it further we can see that when a single particle, marked 1 in Figure11.5a, is nipped between the jaws of a jaw crusher the particle breaks producing fragments, marked 2 and 3 in Figure11.5b. Particles marked 2 are larger than the open set on the crusher and are retained for crushing on the next cycle. Particles of size 3, smaller than the open set of the crusher, can travel down faster and occupy or pass through the lower portion of the crusher while the jaw swings away. In the next cycle the probability of the larger particles (size 2) breaking is greater than the smaller sized particle 3. In the following cycle, therefore, particle size 2 is likely to disappear preferentially and the progeny joins the rest of thesmaller size particles indicated as 3 in Figure11.5c. In the figures, the position of the crushed particles that do not exist after comminution is shaded white (merely to indicate the positions they had occupied before comminution). Particles that have been crushed and travelled down are shown in grey. The figure clearly illustrates the mechanism of crushing and the classification that takes place within the breaking zone during the process, as also illustrated in Figure11.4. This type of breakage process occurs within a jaw crusher, gyratory crusher, roll crusher and rod mills. Equation (11.19) then is a description of the crusher model.

In practice however, instead of a single particle, the feed consists of a combination of particles present in several size fractions. The probability of breakage of some relatively larger sized particles in preference to smaller particles has already been mentioned. For completeness, the curve for the probability of breakage of different particle sizes is again shown in Figure11.6. It can be seen that for particle sizes ranging between 0 K1, the probability of breakage is zero as the particles are too small. Sizes between K1 and K2 are assumed to break according a parabolic curve. Particle sizes greater than K2 would always be broken. According to Whiten [16], this classification function Ci, representing the probability of a particle of size di entering the breakage stage of the crusher, may be expressed as

The classification function can be readily expressed as a lower triangular matrix [1,16] where the elements represent the proportion of particles in each size interval that would break. To construct a mathematical model to relate product and feed sizes where the crusher feed contains a proportion of particles which are smaller than the closed set and hence will pass through the crusher with little or no breakage, Whiten [16] advocated a crusher model as shown in Figure11.7.

The considerations in Figure11.7 are similar to the general model for size reduction illustrated in Figure11.4 except in this case the feed is initially directed to a classifier, which eliminates particle sizes less than K1. The coarse classifier product then enters the crushing zone. Thus, only the crushable larger size material enters the crusher zone. The crusher product iscombined with the main feed and the process repeated. The undersize from the classifier is the product.

While considering the above aspects of a model of crushers, it is important to remember that the size reduction process in commercial operations is continuous over long periods of time. In actual practice, therefore, the same operation is repeated over long periods, so the general expression for product size must take this factor into account. Hence, a parameter v is introduced to represent the number of cycles of operation. As all cycles are assumed identical the general model given in Equation (11.31) should, therefore, be modified as

Multiple vectors B C written in matrix form:BC=0.580000.200.60000.120.180.6100.040.090.20.571.000000.700000.4500000=0581+00+00+000.580+00.7+00+000580+00+00.45+000.580+00+00+000.21+0.60+00+000.20+0.60.7+00+000.20+0.60+00.45+000.20+0.60+00+000.121+0.180+0.610+000.120+0.180.7+0.610+000.120+0.180+0.610.45+000.120+0.180+0.610+000.041+0.090+0.20+0.5700.040+0.090.7+0.20+0.5700.040+0.090+0.20.45+0.5700.040+0.090+0.20+0.570=0.580000.20.42000.120.1260.274500.040.0630.090

Now determine (I B C) and (I C)(IBC)=10.5800000000.210.42000000.1200.12610.27450000.0400.06300.0910=0.420000.20.58000.120.1260.725500.040.0630.091and(IC)=000000.300000.5500001

Now find the values of x1, x2, x3 and x4 as(0.42x1)+(0x2)+(0x3)+(0x4)=10,thereforex1=23.8(0.2x1)+(0.58x2)+(0x3)+(0x4)=33,thereforex2=65.1(0.12x1)+(0.126x2)+(0.7255x3)+(0x4)=32,thereforex3=59.4(0.04x1)+(0.063x2)+(0.09x3)+(1x4)=20,thereforex4=30.4

In this process, mined quartz is crushed into pieces using crushing/smashing equipment. Generally, the quartz smashing plant comprises a jaw smasher, a cone crusher, an impact smasher, a vibrating feeder, a vibrating screen, and a belt conveyor. The vibrating feeder feeds materials to the jaw crusher for essential crushing. At that point, the yielding material from the jaw crusher is moved to a cone crusher for optional crushing, and afterward to effect for the third time crushing. As part of next process, the squashed quartz is moved to a vibrating screen for sieving to various sizes.

Crushers are widely used as a primary stage to produce the particulate product finer than about 50100mm. They are classified as jaw, gyratory, and cone crushers based on compression, cutter mill based on shear, and hammer crusher based on impact.

A jaw crusher consists essentially of two crushing plates, inclined to each other forming a horizontal opening by their lower borders. Material is crushed between a fixed and a movable plate by reciprocating pressure until the crushed product becomes small enough to pass through the gap between the crushing plates. Jaw crushers find a wide application for brittle materials. For example, they are used for comminution of porous copper cake. A Fritsch jaw crusher with maximal feed size 95mm, final fineness (depends on gap setting) 0.315mm, and maximal continuous throughput 250Kg/h is shown in Fig. 2.8.

A gyratory crusher includes a solid cone set on a revolving shaft and placed within a hollow body, which has conical or vertical sloping sides. Material is crushed when the crushing surfaces approach each other and the crushed products fall through the discharging opening.

Hammer crushers are used either as a one-step primary crusher or as a secondary crusher for products from a primary crusher. They are widely used for crushing hard metal scrap for different hard metal recycling processes. Pivoted hammers are pendulous, mounted on the horizontal axes symmetrically located along the perimeter of a rotor. Crushing takes place by the impact of material pieces with the high speed moving hammers and by contact with breaker plates. A cylindrical grating or screen is placed beneath the rotor. Materials are reduced to a size small enough to pass through the openings of the grating or screen. The size of the product can be regulated by changing the spacing of the grate bars or the opening of the screen.

The feature of the hammer crushers is the appearance of elevated pressure of air in the discharging unit of the crusher and underpressure in the zone around the shaft close to the inside surface of the body side walls. Thus, the hammer crushers also act as high-pressure, forced-draught fans. This may lead to environmental pollution and product losses in fine powder fractions. A design for a hammer crusher (Fig. 2.9) essentially allows a decrease of the elevated pressure of air in the crusher discharging unit [5]. The A-zone beneath the screen is communicated through the hollow ribs and openings in the body side walls with the B-zone around the shaft close to the inside surface of body side walls. As a result, the circulation of suspended matter in the gas between A and B zones is established and the high pressure of air in the discharging unit of crusher is reduced.

Crushers are widely used as a primary stage to produce the particulate product finer than about 50100 mm in size. They are classified as jaw, gyratory and cone crushers based on compression, cutter mill based on shear and hammer crusher based on impact.

A jaw crusher consists essentially of two crushing plates, inclined to each other forming a horizontal opening by their lower borders. Material is crushed between a fixed and a movable plate by reciprocating pressure until the crushed product becomes small enough to pass through the gap between the crushing plates. Jaw crushers find a wide application for brittle materials. For example, they are used for comminution of porous copper cake.

A gyratory crusher includes a solid cone set on a revolving shaft and placed within a hollow body, which has conical or vertical sloping sides. Material is crushed when the crushing surfaces approach each other and the crushed products fall through the discharging opening.

Hammer crushers are used either as a one-step primary crusher or as a secondary crusher for products from a primary crusher. They are widely used for crushing of hard metal scrap for different hard metal recycling processes.

Pivoted hammers are pendulous, mounted on the horizontal axes symmetrically located along the perimeter of a rotor and crushing takes place by the impact of material pieces with the high speed moving hammers and by contact with breaker plates. A cylindrical grating or screen is placed beneath the rotor. Materials are reduced to a size small enough pass through the openings of the grating or screen. The size of product can be regulated by changing the spacing of the grate bars or the opening of the screen.

The feature of the hammer crushers is the appearance of elevated pressure of air in the discharging unit of the crusher and underpressure in the zone around of the shaft close to the inside surface of the body side walls. Thus, the hammer crushers also act as high-pressure forced-draught fans. This may lead to environmental pollution and product losses in fine powder fractions.

A design for a hammer crusher (Figure 2.6) allows essentially a decrease of the elevated pressure of air in the crusher discharging unit [5]. The A-zone beneath the screen is communicated through the hollow ribs and openings in the body side walls with the B-zone around the shaft close to the inside surface of body side walls. As a result, circulation of suspended matter in the gas between A- and B-zones is established and high pressure of air in the discharging unit of crusher is reduced.

For a particular operation where the ore size is known, it is necessary to estimate the diameter of rolls required for a specific degree of size reduction. To estimate the roll diameter, it is convenient to assume that the particle to be crushed is spherical and roll surfaces are smooth. Figure6.2 shows a spherical particle about to enter the crushing zone of a roll crusher and is about to be nipped. For rolls that have equal radius and length, tangents drawn at the point of contact of the particle and the two rolls meet to form the nip angle (2). From simple geometry it can be seen that for a particle of size d, nipped between two rolls of radius R:

Equation (6.2) indicates that to estimate the radius R of the roll, the nip angle is required. The nip angle on its part will depend on the coefficient of friction, , between the roll surface and the particle surface. To estimate the coefficient of friction, consider a compressive force, F, exerted by the rolls on the particle just prior to crushing, operating normal to the roll surface, at the point of contact, and the frictional force between the roll and particle acting along a tangent to the roll surface at the point of contact. The frictional force is a function of the compressive force F and is given by the expression, F. If we consider the vertical components of these forces, and neglect the force due to gravity, then it can be seen that at the point of contact (Figure6.2) for the particle to be just nipped by the rolls, the equilibrium conditions apply where

As the friction coefficient is roughly between 0.20 and 0.30, the nip angle has a value of about 1117. However, when the rolls are in motion the friction characteristics between the ore particle will depend on the speed of the rolls. According to Wills [6], the speed is related to the kinetic coefficient of friction of the revolving rolls, K, by the relation

Equation (6.4) shows that the K values decrease slightly with increasing speed. For speed changes between 150 and 200rpm and ranging from 0.2 to 0.3, the value of K changes between 0.037 and 0.056. Equation (6.2) can be used to select the size of roll crushers for specific requirements. For nip angles between 11 and 17, Figure6.3 indicates the roll sizes calculated for different maximum feed sizes for a set of 12.5mm.

The maximum particle size of a limestone sample received from a cone crusher was 2.5cm. It was required to further crush it down to 0.5cm in a roll crusher with smooth rolls. The friction coefficient between steel and particles was 0.25, if the rolls were set at 6.3mm and both revolved to crush, estimate the diameter of the rolls.

It is generally observed that rolls can accept particles sizes larger than the calculated diameters and larger nip angles when the rate of entry of feed in crushing zone is comparable with the speed of rotation of the rolls.

Jaw crushers are mainly used as primary crushers to produce material that can be transported by belt conveyors to the next crushing stages. The crushing process takes place between a fixed jaw and a moving jaw. The moving jaw dies are mounted on a pitman that has a reciprocating motion. The jaw dies must be replaced regularly due to wear. Figure 8.1 shows two basic types of jaw crushers: single toggle and double toggle. In the single toggle jaw crusher, an eccentric shaft is installed on the top of the crusher. Shaft rotation causes, along with the toggle plate, a compressive action of the moving jaw. A double toggle crusher has, basically, two shafts and two toggle plates. The first shaft is a pivoting shaft on the top of the crusher, while the other is an eccentric shaft that drives both toggle plates. The moving jaw has a pure reciprocating motion toward the fixed jaw. The crushing force is doubled compared to single toggle crushers and it can crush very hard ores. The jaw crusher is reliable and robust and therefore quite popular in primary crushing plants. The capacity of jaw crushers is limited, so they are typically used for small or medium projects up to approximately 1600t/h. Vibrating screens are often placed ahead of the jaw crushers to remove undersize material, or scalp the feed, and thereby increase the capacity of the primary crushing operation.

Both cone and gyratory crushers, as shown in Figure 8.2, have an oscillating shaft. The material is crushed in a crushing cavity, between an external fixed element (bowl liner) and an internal moving element (mantle) mounted on the oscillating shaft assembly. An eccentric shaft rotated by a gear and pinion produces the oscillating movement of the main shaft. The eccentricity causes the cone head to oscillate between the open side setting (o.s.s.) and closed side setting (c.s.s.). In addition to c.s.s., eccentricity is one of the major factors that determine the capacity of gyratory and cone crushers. The fragmentation of the material results from the continuous compression that takes place between the mantle and bowl liners. An additional crushing effect occurs between the compressed particles, resulting in less wear of the liners. This is also called interparticle crushing. The gyratory crushers are equipped with a hydraulic setting adjustment system, which adjusts c.s.s. and thus affects product size distribution. Depending on cone type, the c.s.s. setting can be adjusted in two ways. The first way is by rotating the bowl against the threads so that the vertical position of the outer wear part (concave) is changed. One advantage of this adjustment type is that the liners wear more evenly. Another principle of setting adjustment is by lifting/lowering the main shaft. An advantage of this is that adjustment can be done continuously under load. To optimize operating costs and improve the product shape, as a rule of thumb, it is recommended that cones always be choke-fed, meaning that the cavity should be as full of rock material as possible. This can be easily achieved by using a stockpile or a silo to regulate the inevitable fluctuation of feed material flow. Level monitoring devices that detect the maximum and minimum levels of the material are used to start and stop the feed of material to the crusher as needed.

Primary gyratory crushers are used in the primary crushing stage. Compared to the cone type crusher, a gyratory crusher has a crushing chamber designed to accept feed material of a relatively large size in relation to the mantle diameter. The primary gyratory crusher offers high capacity thanks to its generously dimensioned circular discharge opening (which provides a much larger area than that of the jaw crusher) and the continuous operation principle (while the reciprocating motion of the jaw crusher produces a batch crushing action). The gyratory crusher has capacities starting from 1200 to above 5000t/h. To have a feed opening corresponding to that of a jaw crusher, the primary gyratory crusher must be much taller and heavier. Therefore, primary gyratories require quite a massive foundation.

The cone crusher is a modified gyratory crusher. The essential difference is that the shorter spindle of the cone crusher is not suspended, as in the gyratory, but is supported in a curved, universal bearing below the gyratory head or cone (Figure 8.2). Power is transmitted from the source to the countershaft to a V-belt or direct drive. The countershaft has a bevel pinion pressed and keyed to it and drives the gear on the eccentric assembly. The eccentric assembly has a tapered, offset bore and provides the means whereby the head and main shaft follow an eccentric path during each cycle of rotation. Cone crushers are used for intermediate and fine crushing after primary crushing. The key factor for the performance of a cone type secondary crusher is the profile of the crushing chamber or cavity. Therefore, there is normally a range of standard cavities available for each crusher, to allow selection of the appropriate cavity for the feed material in question.

The main task of renovation construction waste handling is the separation of lightweight impurities and construction waste. The rolling crusher with opposite rollers is capable of crushing the brittle debris and compressing the lightweight materials by the low-speed and high-pressure extrusion of the two opposite rollers. As the gap between the opposite rollers, rotation speed, and pressure are all adjustable, materials of different scales in renovation construction waste can be handled.

The concrete C&D waste recycling process of impact crusher+cone crusher+hoop-roller grinder is also capable of handling brick waste. In general, the secondary crushing using the cone crusher in this process with an enclosed crusher is a process of multicrushing, and the water content of waste will become an important affecting factor. The wet waste will be adhered on the wall of the grinding chamber, and the crushing efficiency and waste discharging will be affected. When the climate is humid, only coarse impact crushing is performed and in this case the crushed materials are used for roadbase materials. Otherwise, three consecutive crushings are performed and the recycled coarse aggregate, fine aggregate, and powder materials are collected, respectively.

The brick and concrete C&D waste recycling process of impact crusher+rolling crusher+hoop-roller grinder is also capable of handling the concrete waste. In this case, the water content of waste will not be an important affecting factor. This process is suitable in the regions with wet climates.

The renovation C&D waste recycling process of rolling crusher (coarse/primary crushing)+rolling crusher (intermediate/secondary crushing)+rolling crusher (fine/tertiary crushing) is also capable of handling the two kinds of waste discussed earlier. The particle size of debris is crushed less than 20mm and the lightweight materials are compressed, and they are separated using the drum sieve. The energy consumption is low in this process; however, the shape of products is not good (usually flat and with cracks). There is no problem in roadbase material and raw materials of prefabricated product production. But molders (the rotation of rotors in crusher is used to polish the edge and corner) should be used for premixed concrete and mortar production.

the models and parameters of cone crusher | hxjq

the models and parameters of cone crusher | hxjq

Processing Materials: river pebbles, granite, marble, limestone, fluorite ore, gold ore, barite, calcite, dolomite, bluestone, glass, basalt, iron ore, etc.

The cone crusher is a kind of stone crusher machine applied for metallurgy, building, road construction, chemical engineering, etc. It is suitable for medium and fine crushing with the features of high crushing ratio, high efficiency, low energy consumption and uniform particle size.

There are different models in HXJQ divided by different crushing principles and different particle sizes: single cylinder hydraulic cone crusher, multi-cylinder hydraulic cone crusher, hydraulic cone crusher, Symons cone crusher (compound cone crusher), and spring cone crusher. At present, the most advanced one is the single cylinder hydraulic cone crusher, and the most popular one is the Symons cone crusher.

The structure of single-cylinder hydraulic cone crusher is simple. Its characteristics are the steep cone, high swing frequency, and small eccentric distance. The unique design structure of bottom single cylinder can complete the three functions which can adjust the discharge opening directly, prevent ferric materials, and clear chambers.

The Symons cone crusher has the hydraulic chamber-cleaning system which can reduce its downtime. This machine adopts the lubrication grease system which avoids the defects of water-supplying and discharging block as well as mixing the water and oil easily. The spring insurance system is an overload protection device, which can make the foreign matter and iron ore go through the crushing chamber without damage.

When the single-cylinder hydraulic cone crusher is working, the motor drives the small gear of the crusher, the pinion drives the large gear, and the large gear assembly drives the eccentric sleeve assembly and the spindle assembly, which are centered on the theoretical vertical line, and rotate in the copper bushing.

The spindle assembly in the eccentric copper sleeve with the center line of the spindle can realize the rotating material being crushed by the swinging inner cone, and the crushed material is discharged from the discharge port.

When the compound cone crusher is working, the motor drives the eccentric sleeve to rotate by the V-belt, transmission shaft and bevel gears. The moving cone rotates under the action of the eccentric sleeve. The material is continuously crushed and impacted in the crushing chamber, then the needed size of the material after crushing will falls under the gravity and be discharged from the bottom. Symons cone crusher controls the particle size of material according to reducing the size of the discharge opening, so it is not suitable for ultra-fine sand or sand making.

The technology of single-cylinder hydraulic cone crusher is more advanced and higher efficient to operate. Under the condition of the constant crushing chamber, the maximum feeding size and productivity can keep constant, it has higher output, longer liner life, and lower operating costs. Its mainframe weight is 5700 to 36,300 kg, the weight of Symons cone crusher is 9980 to 43,270 kg, and its volume and weight are smaller than Symons cone crusher. Therefore, it is more convenient and quick to install and transport, as well as lift and change parts.

Jaw crusher, cone crusher and impact crusher are the mainstream crushers used in mining industries. Jaw crusher and cone crusher are the classical laminated crushers, and also the most popular crushers, while impact crusher adopts impact crushing principle. In general, jaw crusher is used as the primary crusher, and cone crusher and impact crusher as the secondary. And they always combine with each other in the whole crushing line during the crushing process.

Jaw crusher and cone crusher adopt the laminating crushing principle, known as extrusion crushing principle. Although the crushing actuators are different, the nature of crushing does not make much difference.

During the crushing process, the cone crusher adopts the extrusion between the mortar wall and the crushing wall, and the jaw crusher adopts the extrusion between the mobile jaw and the fixed jaw.

Impact crusher adopts the impact crushing principle, and materials are impacted and crushed between hammer and impact plate. Due to the frequent impact, the wearing parts are easy to damage, so impact crusher has a high requirement on the wear-resistance materials.

The jaw crusher, cone crusher and impact crusher are widely used in a variety of materials, but they have different applicability. The jaw crusher can almost meet the requirements of all materials.

Cone crusher also has the wide applications, ans it can crush high-hardness materials in high efficiency. However, impact crusher is generally used for crushing soft materials such as limestone because its crushing principle and wear-resistant parts, and impact has a good performance in shaping.

When choosing crusher machines, a comparison should be conducted according to different situations. Generally, jaw crusher is used for primary crushing, and for second crushing or fine crushing, a large ore-dressing plant always chooses the cone crusher, and a medium or small plant chooses the impact crusher.

Generally, jaw crusher is suitable for all kinds of crushing lines, and it is relatively cheaper than cone crusher because of the large market. Though impact crusher has a cheap price, it has several wear-resistant parts such as hammer and impact plate, which should be replaced after several times uses, so impact crusher has a high using cost.

Although cone crusher is relatively expensive, the wear-resistant parts have long service life to avoid the worries of changing parts frequently. Therefore, cone crusher has higher performance-price ratio than impact crusher in the long run.

HXJQ as a professional cone crusher manufacturer has produced crushers for more than 40 years, and we have the crushers with the lowest cone crusher prices and highest quality. If you have any problems in the selection of equipment, please timely consult HXJQ, there are experts who will guide for you in the whole process and choose the most suitable, cheapest, and best-performance equipment for you.

symons cone crusher | china first engineering technology co.,ltd

symons cone crusher | china first engineering technology co.,ltd

Symons cone crusher has features of large crushing capacity, high crushing efficiency, low operation cost, convenient adjustment, economical to use, etc. Reasonable materials of spare parts and structure design improves its service life. Moreover, the final products is of uniform and cubic granularity, thus reducing the production load for re-crushing.

1. High-performance. Combining optimal designing of chamber type with applying reasonable speed and stroke;2. Optimized design of spring type protector for releasing iron;3. Hydraulic cleaning system decrease the downtime;4. High reliability. Adopting main shaft with big diameterheavy main frame and separate automatic oil lubrication system .

The crushing cavity of symons cone crusher consists of the moving cone and the fixed cone. The moving cone is installed on the upper of the main shaft under pressure, while one end of the main shaft is inserted into the conical hole of the eccentric bush. The conical hole of the eccentric shaft bush is internally equipped with the bronze bush or nylon bush. When the transmission gear drives the eccentric shaft bush, the main shaft inserted into the eccentric shaft bush drives the moving cone to keep cycloidal rotation so that the space between the mantle and concave will regularly reduce and increase to squeeze materials and discharge the final crushed materials.

1. We can provide a complete set of equipment including crushing, screening, beneficiation, etc. 2. Our products have been exported to market of Southeast Asia, Middle East, Africa and the Americas. Agents have also been developed in Egypt, Pakistan, Vietnam and other countries. 3. We supply with decent quality product, as well as best solution design, professional technical support and excellent after-sales service.

nordberg symons 4 1/4ft cone crusher, 51

nordberg symons 4 1/4ft cone crusher, 51" cone crusher, static cone

Nordberg Symons 4 1/4FT Cone crusher for Sale, Static Cone Crusher, Fully complete Symons cone crusher with lucubration Tank, Hydraulic Station, Motor, Motor Frame, Sub Frame for crusher and Chute. Large Lube tank complete with steel pipe work. This Metso Cone is fitted with 10 grove Pulley and complete with main 3 phase Brook Crompton 175KW Drive motor with skid frame with hydraulic adjustment for adjust Pulley belts / tensioning. 51 Standard Head Cone, Ideal for all type of crushing of hard Rock material. Fully hydraulic adjustment built in for determining the size of crushed material required. Hydraulic Tramp release system for Releasing cone of any tramp / Metal material entering cone. Everything you see in the images below comes with this cone crusher nothing more and nothing less. This cone will take up to a max 250mm feed size of material at max settings. Metso Cone Crusher for sale. Nordberg Symons Static Cone Crusher. This Symons 4 1/4 foot cone has just finished work and we have repainted it. The cone was working up until the last day before we took it out. This cone crusher is work ready and in good order. High output machine which will crush up to 450 tonnes per hour at max setting. 51 / 4 1/4ft in size, 1300mm cone size. All parts can be obtained from Metso as Metso now own the Old Nordberg / Symons company. Parts can also be sourced from other suppliers. Please inquire for more details and photos, We will load this cone in the advertised price either onto trailer or into Container if required. Spare parts can also be quoted for and sent in the same delivery if required. Also please see the YouTube video of the Nordberg Symons 51 Cone crusher in our yard here at Ballytrain Plant by clicking here.

Nordberg Symons 4 1/4FT Cone crusher for Sale, Static Cone Crusher, Fully complete Symons cone crusher with lucubration Tank, Hydraulic Station, Motor, Motor Frame, Sub Frame for crusher and Chute. Large Lube tank complete with steel pipe work. This Metso Cone is fitted with 10 grove Pulley and complete with main 3 phase Brook Crompton 175KW Drive motor with skid frame with hydraulic adjustment for adjust Pulley belts / tensioning. 51 Standard Head Cone, Ideal for all type of crushing of hard Rock material. Fully hydraulic adjustment built in for determining the size of crushed material required. Hydraulic Tramp release system for Releasing cone of any tramp / Metal material entering cone. Everything you see in the images below comes with this cone crusher nothing more and nothing less. This cone will take up to a max 250mm feed size of material at max settings. Metso Cone Crusher for sale. Nordberg Symons Static Cone Crusher.

This Symons 4 1/4 foot cone has just finished work and we have repainted it. The cone was working up until the last day before we took it out. This cone crusher is work ready and in good order. High output machine which will crush up to 450 tonnes per hour at max setting. 51 / 4 1/4ft in size, 1300mm cone size.

Please inquire for more details and photos, We will load this cone in the advertised price either onto trailer or into Container if required. Spare parts can also be quoted for and sent in the same delivery if required.

symons cone crusher - eastman rock crusher

symons cone crusher - eastman rock crusher

Symons compound cone crusher is a modern high performance crusher designed and developed by EASTMAN according to the needs of users, based on the principle of lamination crushing and the concept of more crushing and less grinding, which integrates optimized cavity type and reasonable stroke.Applicationsmining, quarry, aggregate making, etc.MaterialsMaterials with compressive strength not exceeding 350MPa, such as river pebbles, granite, basalt, iron ore, shale, limestone, gangue, quartz, diabase, marble, copper ore, cobblestone, etc.

cone crusher bearing part | | symons cone crusher machine the best manufacturing supplier

cone crusher bearing part | | symons cone crusher machine the best manufacturing supplier

HS Series Symons Cone Crusher is widely used in the metallurgical industry, construction materials industry, road building industry, chemical industry and silicate industry. It is suitable to crush ores and rocks with medium hardness and medium hardness above. It has features of strong crushing force, reliable structure, high efficiency, high capacity, low operating cost, easy adjustment, economical to use and so on. Also symons cone crusher uses the compensating lubricating grease sealing, it can avoid lubrication oil being polluted by dust, so that all parts work reliably and have a long operating life. The safety insurance system of cone crusher uses several spring sets, so the matter and iron ore are down from the crushing cavity and do not damage the crusher, simply and reliably. The safety system uses dry oil and water as two kinds of sealed formation to make plaster powder and engine oil separate to make sure reliable performance. The cone crusher has standard type and short head type, the standard type is suitable to medium size and the short head type for medium and fine crushing.

HP Series Multi-cylinder Hydraulic Cone Crusher is one of advanced cone crushers in China, which is developed and manufactured by our company. The machine is one kind of high-class product combined with mechanical technology, electrical technology, hydraulic technology and advanced crushing technology. The machine adopts high strength casting-steel frame, alloy forging main shaft and high precision straight bevel gear driving structure, combined with multi-chambers selection and automation control system, which fulfills the performance and advantages. It can be widely used in secondary and fine crushing work for all kinds of hard materials and rocks to meet customers' various needs for crushing.

DP Series Single Cylinder Hydraulic Cone Crusher is one of advanced cone crusher in China, which is developed and manufactured by our company. The machine is one kind of high-class product combined with mechanical technology, electrical technology, hydraulic technology and advanced crushing technology. Not only provides the features of high reliability, but also with the features of high crushing efficiency, low operation cost, good shape of the end products. The machine adopts high strength casting-steel frame, alloy forging main shaft and high precision arc-shaped spiral gear driving structure, combined with multi-chambers selection and automation control system, which fulfills the performance and advantages. It can be widely used in secondary and fine crushing work for all kinds of hard materials and rocks to meet customers' various needs for crushing.

PY Series Spring Cone Crusher is suitable to crush all kinds of ores and rocks with medium hardness and above. It has features of reliable structure, high efficiency, high capacity, low operating cost, easy adjustment, economical to use and so on. Spring system plays the role of overload protection, which will enable the exotic materials or steel piece to pass through the crushing chamber without any damage to the machine. It adopts grease seal to isolate dust and lubricants, therefore ensure its reliable operation. According to customer demand, respectively, using standard type, medium type and short head type for coarse crushing, medium crushing and fine crushing operation.

The portable cone crusher plant is consist of stable and sturdy chassis, efficient cone crusher, screening equipment, belt conveyor, electric motor and electrical control system, and optional hydraulic auxiliary system, environmental dust removal system, maintenance platform and other components. Cone crusher is optional by curtomers' requirements, which can be spring cone crusher, symons cone crusher, multiple or single cyliner hydraulic cone crusher.

Cone Crusher Bearings. ELRUS stocks bearings for most makes and models of Roller Cone Crushers including Cedarapids, Telsmith, MVP, JCI and Eljay cone crushers. Cylindrical & Tapered Thrust Bearings . Optimized surface finish for improved functionality and life cycle. Decreased startup friction and drag through a low profile. cage design.

Cone Crusher MAINSHAFT. The mainshaft is of high grade forged steel, annealed for stress relief. It is tapered to gauge for head center fit. The bottom of the shaft is fitted with a polished bronze step bearing. The journal for the spider bearing is formed by a sleeve shrunk on the shaft on the 51, 60 and 84-in. crushers.

Messinger rock crusher bearings can be found on many rock crushing machine brands, including Telsmith, Cedarapids, El Jay, JCI, Pegson, Pioneer (KPI), Universal, and many others. Messinger is one of a few OEMs that has manufactured the large radial and thrust roller bearing parts used in a range of rock crushers used in the industry.

Premium Replacement KPI JCI Cone Crusher Parts. KPI-JCI crusher,which is consisted of Kolberg-Pioneer, Inc(Washing and classifying, conveying, jaw and impact crushing, screening, and portable, stationary and track-mounted plants) and Johnson Crushers International (Roller bearing cone crushers, horizontal and incline vibrating screens and portable, stationary and track-mounted crushing and ...

cone crusher,symons cone crusher,hydraulic cone crusher,rock cone crusher,cone crusher manufacturer - hxjq mining machine manufacturer

cone crusher,symons cone crusher,hydraulic cone crusher,rock cone crusher,cone crusher manufacturer - hxjq mining machine manufacturer

Cone crusher is used for crushing all kinds of ores and rocks with medium hardness or above-medium hardness in many industries, such as metallurgy, construction, road, chemical and silicate industries. It is very suitable for intermediate crushing and fine crushing of ores and rocks.

There are by and large three types of cone crusher: symons cone crusher, hydraulic cone crusher and secondary cone crusher. When customers buy cone crusher, they can choose the suitable one taking into condition the ore or rock that the crusher will deal with. Rock cone crusher's features of large reduction ratio, high efficiency, low energy consumption and even granularity make it popular in the mining plant.

Hydraulic cone crusher with high efficiency is suitable for primary crushing of many kinds of minerals and rocks whose compression strength not higher than 360Mpa, such as ore, concrete, fireproof material, calamite, quartzite, corundum, perlite, ironstone, basalt etc. Hongxing series hydraulic cone crusher is widely used in mining and construction, concrete factory, sandstone making industry.

TheSymons cone crusheris widely used for secondary and fine crushing in the fields of mining, chemical industry, building materials, metallurgy and so on. Symons cone crusher can crush materials with Moh's scale in middle and high hardness such as ironstone, copper ore, limestone, quartz, granite, rock and so on. The standard type (PYB) is applied to secondary crushing; the medium type (PYZ) and the short-head (PYD) are applied to fine crushing.

When the Symons cone crusher is working, the motor drives the eccentric bearing bushing via spring coupling, transmission shaft and a couple of cone gear wheel. The crushing cone axis is forced to swing by the eccentric bearing bushing, which makes the mantle close to the bowl liner and far away from the bowl liner from time to time. The raw materials are pressed, impacted and finally crushed in the crushing cavity.

2) Adjustable crushing chamber: The shape of crushing chamber plays a very important role in the whole machine's performance. The Cone Crusher has four kinds of chamber shapes. Customers can choose the suitable one according to their specific demands.

3) Easy replacing of chamber: There is no need to fill the reverse side of crushing wall with anything when installing a new crushing wall. It is fixed by bolts, which not only decreases the difficulty of replacing, but also increases the speed.

4) Simple operation: The cone crusher employed high-pressure resistant displacement transducer. When the operator wants to adjust the size of the discharge opening, he only needs to press the button on the operation board. In addition, the operator can see the changing process of the size. So, it is extremely convenient and precise.

Hongxing Machinery is specialized in the production of various kinds of cone crushers and it is the manufacturer of large cone crusher. Its products include spring cone crusher, hydraulic cone crusher and Simmons cone crusher and so on.

cone crusher, hydraulic cone crusher, symons cone crusher, single cylinder hydraulic cone crusher, zx compound cone crusher, spring cone crusher

cone crusher, hydraulic cone crusher, symons cone crusher, single cylinder hydraulic cone crusher, zx compound cone crusher, spring cone crusher

Introduction:XHP series Hydraulic Cone Crusher not only improves the production capacity and crushing efficiency, but also widens the applying area, from limestone to basalt, from stone production to various ore crushing. The crusher is the improved type of spring cone crusher and can be used to replace ordinary hydraulic cone crusher .

Introduction:Single cylinder hydraulic cone crusher is widely used in mining, metallurgy, construction, highway, railroad, and water conservancy, etc. It can break or crush all kinds of medium hard or harder ore for mining, chemical building, materials and other industrial sectors. This kind of machine has the features of big crushing ratio, continuous operating, even granularity, automated hydraulic clearing system, high capacity, simple structure and low operating cost, suited perfectly for middle and fine crushing.

Introduction:Symons cone crusher is widely used in the metallurgical industry, construction materials industry, road building industry, chemical industry and silicate industry. It is suitable to crush ores and rocks with medium hardness and medium hardness above. It has features of strong crushing force, reliable structure, high efficiency, high capacity, low operating cost, easy adjustment, economical to use and so on. Also symons cone crusher uses the compensating lubricating grease sealing, it can avoid lubrication oil being polluted by dust, so that all parts work reliably and have a long operating life. The safety insurance system of cone crusher uses several spring sets, so the matter and iron ore are down from the crushing cavity and do not damage the crusher, simply and reliably. The cone crusher has standard type and short head type, the standard type is suitable to medium size and the short head type for medium and fine crushing.

Introduction:Spring cone crusher is suitable to crush all kinds of ores and rocks with medium hardness and above. It has features of reliable structure,high efficiency,high capacity,low operating cost,easy adjustment ,economical to use and so on. Spring system plays the role of overload protection, which will enable the exotic materials or steel piece to pass through the crushing chamber without any damage to the machine. It adopts grease seal to isolate dust and lubricants, therefore ensure its reliable operation. According to customer demand, respectively, using standard type, medium type and short head type for coarse crushing, medium crushing and fine crushing operation.

Introduction:JiaoZuo Zhongxin ZX compound cone crusher is a performance cone crusher , It has unique hydraulic clearing system, hydraulic opening adjusting function, easy for changing movable and fixed plate, decreasing management and maintence cost, It is widely used for medium and fine crushing of granite, basalt, disbase, cobble, cobblestone, iron, ore etc. which is well received by customers.

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