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capacity of stone crusher

advantages and disadvantages of 4 types of stone crusher machines | fote machinery

advantages and disadvantages of 4 types of stone crusher machines | fote machinery

As the key material for infrastructure, natural stones are generally large and not suitable for construction, so we need suitable equipment for crushing the stones into small sizes or changing their shape.

At present, the equipment used in the stone crusher plant is divided into fixed stone crusher machines and mobile or portable stone crusher machines. Based on this, two types of crushers are developed, namely semi-mobile or semi-portable stone crusher machines and semi-fixed stone crusher machines.

Mobile (portable) stone crusher machines, also called mobile or portable crushing plant, are generally composed of crushers (jaw crusher machine, impact rock crusher, hammer crusher, cone crusher machine, roll crusher machine), screening machine, feeder, conveyor, control system, etc.

Combining primary crushing, secondary crushing and sand making into one, the mobile crushing plant adopts self-driving method so that the components can be fixed on a whole frame. It moves by crawler or tire type track to crush the materials in a mobile manner.

The feeder feeds the stone into the crushing chamber. After being crushed and sieved, the qualified finished products are transported to the finished product warehouse, and unqualified can be crushed again.

Because it is a Trinity equipment, and the continuous transportation equipment connected is belt conveyors, the crawler type mobile crushers are suitable for large-scale open mining and large-scale and continuous mining processes.

The semi-mobile stone crusher machines are also called semi-portable stone crusher machines. It is to place the body in the appropriate working level in the open pit. With the advancement of the working steps, it can be pulled and transferred by a crawler truck or other traction equipment with its whole set configurable machines.

The most typical feature of semi-mobile crushing stations is that they are connected to the concrete-free foundation. Their service life ranges from a few months to several years, and the migration time usually is less than 48 hours.

The semi-mobile stone crusher is usually placed on the working slope, and the transport distance should be less than 3 km. When the mining steps extend to the outside of the reasonable transport distance and climbing height of the vehicle, the next shift should be performed.

From the perspective of the foundation, its crushing frame has a strong connection with the ground (the bedrock can be connected by anchor piles, and concrete foundation can be used in the loose area).

From the perspective of the position of the layout, it is generally fixed on the working slope to minimize the frequency of movement and improve the service life, especially for rock crushing and transportation.

When the semi-fixed stone crusher is moved, only the body of the device that is bolted to the foundation can be disassembled and moved for reuse, and the foundation buried below the surface is discarded.

The fixed crusher machines are usually arranged outside the boundary of the stope, or placed in the interior of the stope and arranged in conjunction with the chute, which is not affected by the advancement and deepening of the stope. It has a permanently fixed foundation connection with the ground.

The feeding method is diversified. The automobile can directly discharge the materials, or the buffer silo can be set for feeding through the ore-mining device. The fixed crusher is generally in the crushing workshop, and has the same life as the mine.

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estimate jaw crusher capacity

estimate jaw crusher capacity

My friend Alex the SAG Mill Expert, says this equation you picked up doesnt look right.The numerator is calculating the volume of one swing of a jaw, times thedensity of material in the chamber, times the number of cycles perminute. This should give you the mass of material crushed per minute.

The example youve given is missing information needed to calculate theA term it doesnt tell you the height of the crushing chamber. The two measurements youve got are the top opening width and top openinglength; A should be the jaw throw (not given) times the crushing chamber height (also not given).

Tables hereincontain information that is typical of output from crushers discussed above. The capacities are based on the crusher receiving full, continuous feed of clean, dry, friable stone weighing 100 lb/cu ft.

These capacity tables show several significant differences between the two common types of primary crushers. A jaw crusher has a wider range of settingsgenerally, a maximum of two to three times the smallest setting. The tables also show that for a comparable maximum size of feed and setting, a gyratory crusher has a much greater capacity than a jaw crusher. Thegyratory crusher obtains this advantage only at the cost of greater power to drive the crusher.

The selection of an appropriate primary crusher for a given use has to be based on a consideration of several factors. These are not limited to the design features of the crusher. If the feed is blasted rock from a quarry, the size and method of handling the feed influence crusher selection. For instance, a power shovel is limited by the dimensions of the dipper in the maximum size of rock it can handle well. It may be that the bucket of a 1- yd shovel would be too small to load the maximum size rock allowed in a jaw crusher with a 42-in. opening.

If a 60-in. gyratory crusher is to process material from a quarry where a shovel loads the raw material, the shovel would probably have to have a dipper capacity of at least 5 cu yd to be compatible. It may be more economical to change the blasting pattern to produce larger rock that can be handled by a larger loader-hauler combination and still fit in the primary crusher. Generally, a large reduction ratio will be required of the primary crusher.

If gravel has relatively small maximum particle sizes, a large feed opening is not needed. It may be more economical to feed all of the pit-run material into the primary crusher rather than to remove the part that is already smaller than the crusher setting. That calls for a crusher with a higher capacity. There are many feasible solutions to the crusher selection problem, so the aggregate producer must select crushers with total operations and economics in mind.The selection of reduction crushers is also a complex problem.

The economic selection of any particular crusher depends on the ability of the crusher to handle the maximum size of feed, reducing this at the highest possible reduction ratio and least cost for the original installation, maintenance, and power. For any particular aggregate production plant, it is advisable to make preliminary determinations of the types of crushers needed. If most of the feed is coarse and stage crushing is required, primary crushers that meet the requirements of reduction and economy and have straight crushing surfaces may be most economical.

Where only a very small percentage of the feed approaches the size of the feed opening of the crusher,nonchoking crushing surfaces in a high capacity crusher may be advisable for the sake of economy. If the plant requires several stages, and several different types of crushers could be used for each stage, the costs of each feasible combination must be analyzed to find the crusher plant with the least total cost.

crusher efficiency calculations

crusher efficiency calculations

The following example demonstrates a method of selecting the components of an aggregate plant. Good component efficiency and part performance pre-evaluation is essential to a solid design. The aggregate production requires the consideration of several crushers, feeders and screens. This is not intended to be a typical situation, though it does involve common crusher and screen units often used in aggregate plants.

Quarry rock of 12 in. maximum size is to be handled in a two-stage crusher plant at the rate of 70 tons per hour. The maximum size of output is to be 1 in., and separation of materials over 1 in. size and the minus 1 in. in the output is required. Select a jaw crusher like those included in this table.

The screens to be considered are a 1-in. screen with an estimated capacity of 2.7 tph/sq ft and a 1-in. screen with a capacity of 2.1 tph/sq ft. The solution will include the selection of adequate and economical crushers for the two stages and the sizes of screens between them and below the secondary stage.

For the primary crusher a jaw crusher will probably be most economical. A jaw crusher, like 2036 in the Jaw Crusher Table here above, would be able to take the maximum 12 in. size quarry stone but it would not have the required 70 tph capacity needed. To have the needed capacity a jaw crusher like the 2042 or 2436 sizeswill have to be selected overloading the secondary crusher.

A grid chart or curve for the selected crusher shows that, for a 2-in. setting, 54% of the material will pass a 1-in. screen, or 46% will be retained (this is like Jaw Crusher capacity table abovewhere 48% passes a 1 in. screen). The 46% of 70 tph gives the 32 tph fed to the secondary crusher shown in Figure below as a roll crusher.

A twin-roll crusher is selected, like those given inthe Roll Crusher capacityTable above, to serve as the reduction crusher. The smallest, 24 x 16 roll crusher shown in theRoll Crusher capacity Table above has enough capacity with a setting of 1 in. but the maximum size feed will be too large, that is, the stage of reduction is not large enough. The maximum size of feed coming from the discharge of the primary crusher with a setting of 2 is about 3 in. as may be found in this Table.

Considering a 30-in. diameter roll crusher the maximum size particle that can be nipped with the roll crusher set at 1 in. according to this Equation is F = 0.085(15) + 1.0 = 2.28 in. <3 in. feed. It will take larger than a 40-in. diameter roll crusher. A better solution would be to use a larger jaw crusher set at 1 in., then a roll crusher from the Roll Crusher capacityTable above could be used. If the output of this crushing process should have less material of the +1-in. size, the larger crusher could be operated with a closed circuit. That is, the oversize in the output could be recirculated through the roll crusher without exceeding the rated capacity of the crusher. Then all material leaving that crusher with a 1-in. setting would be of a minus 1-in. size.

Another possible solution to this problem would be to use a gyratory crusher for the primary crushing stage. A gyratory like Telsmith model1110 could be set at 1 in. in an open circuit with a capacity for 260 tph. The maximum size of stone in the output is estimated to be approximately 2 1/8 in. Then all the output from the primary crusher could be nipped by a 40 in. diameter twin-roll crusher with a 1-in. setting according to the Roll Crusher capacityTable above. The specifications and manufactured limitations, rather than economy, generally govern the selection of crushers.

To find the required areas of screen, the rate of feed of material as well as gradation of the feed must be known. The 1-in. screen under the jaw crusher is the top deckno deck correction factor will be necessary. Therefore, the 1-in. screen will need to be at least 70/2.7 = 29.9 sq ft in area. It must be at least 36 in. wide for an 18 x 36 jaw crusher. So a 4-ft by 8-ft screen would be acceptable. The 1-in. screen is a second deck for the 38 tph from the jaw crusher, so the deck correction factor is 0.90 and that screen capacity is 2.1 x 0.9 = 1.89 tph/sq ft.

The screen area needed under the jaw crusher is 38/1.89 = 20.1 sq ft. For the 1-in. screen below the roll crusher the capacity has no correction factor and the area needed is 32/2.1 = 15.2 sq ft. To handle the output from a 40 x 24 roll crusher the screen will have to be at least 24 in. wide. Perhaps it will be more effective to use one continuous screen of at least 20.1 + 15.2 = 35.3 sq ft. A 4-ft by 10-ft 1 in. screen should be satisfactory.

should know all about stone crusher plant - machine thug

should know all about stone crusher plant - machine thug

In the market, various kind of crusher plant is there and used in different industries for fulfilling the crushing needs but here we will talk all about the stone crusher plant. How stone crusher plant is working, what are the stone crusher machine is available in the market. Types of stone crusher plant available and kind of requirement plant fulfilled.

Earlier crushing plant is one-stop installation activities but nowadays as requirement changes, stone crusher plant technology, design, input, output, capacity changed. International brands continuously updating their product with technology, digitization, and artificial intelligence.

Stone crushing industry engaged in producing a crushed stone that used as a raw material for infrastructure projects like, road, highway, bridges, building canals, etc. All projects are considered as the core infrastructure work that gives the economy boom.

Stone crusher units are not alone. Along with these plants, stone mining also associated. In fact, stone mining is the primary activity, and the crushing plant is the secondary activity that can be considered.

The stone crusher plant will available from 50 TPH to 600 TPH (ton per hour). The plant can produce the 8 variants of material. Just to get the different variant material you also need to put the screening plant that just separates the different materials according to client or market demand.

Raw Material processed through the vibrating feeder to crusher gradually and crusher crushed the material into respective pieces. From Crusher material conveyed to belt conveyor for secondary crushing before went on vibrating screen plant. Vibrating screen plant separates the quality and qualified material to final products.

And unqualified material carried back to stone crusher and reprocesses it. Then again material went through the above process. The customer gets the required material according to the standard quality and different sizes.

To get the fine product from the crusher. We need to pass it through three types of crushers in stage-wise. First Primary Crusher in that direct material comes from mines. Secondary crusher process the primary crusher material that already crushed at material size reduced and tertiary crusher which reduces the material size further. The manufacturer gets the desired size. That can be further supply to users.

A jaw crusher is the compression kind of crusher and used for crushing rock between two heavy steel jaws. The movable jaw compresses the material against the fixed jaw and crushes material at the desired size. Material exits from the bottom of jaws.

Double toggle jaw crusher is heavier and lots of moving parts than the single toggle jaw crusher. The main difference is the position of eccentric between both of them. Jaw crusher available in three variant mobile, stationary, and portable design whatever customer suits and full fills there need may consider it.

Cone Crusher also called a gyratory crusher. Cone crusher also a compression kind of machine that reduces, squeezing, or compressing the material between a moving piece of steel and a stationary piece of steel. The material passed it through the bottom of the machine after passed the cavity.

The material gets in the feeder from the upper side and material output from the bottom. Cone crusher generally delivers the material 4:1 or 6:1 ratio. The below picture will clear more you about the Cone crusher.

It consists the two opposite direction driven cylinders that mounted on horizontal shafts. The gap between the both cylinders can be adjusted according to desired results. Generally both cylinders cover with the manganese steel liners.

There is two kinds of roller crusher 1, Double roll crusher. 2, Single roll crusher. Name itself clears you both work. In double roller two cylinders are set up while in single roller crusher only has a cylinder that move at one place attached with horizontal shaft and material grind between the cylinder and inside body.

Impact crusher is process the material by compression & force between two surfaces towards one another to crush the material caught between them. Material contain in the chamber that open according to desired result from bottom.

Vertical Shaft Impact Crusher is generally used in the last phase. VSI looks like a cone crusher from outside but working style different in both of them. In vertical shaft crusher, shaft putted in vertical way.

Production Requirement What actually production requirement you have. Many a time companies setup the plant especially for specific projects only. So you need to consider your whole project requirement.

Ore Characteristics Material you want to crush or output you want. That really impacts your decision like if you need the fine product then you may go for the roller crusher. So according to need of material you need to setup the plant.

Operational Considerations Operational consideration means you might have constraint in operation like location. Location might be the operational constraint or labour constraint. Plant may near to your mining that reduce your transpiration cost but you may not allow doing so.

Disclosure: We are a professional blogging site that receives compensation from the companies whose products we review. We test each product thoroughly and give high marks to only the very best. We are independently owned and the opinions expressed here are our own.

large capacity stone crusher plant production line - best stone crusher plant solution from henan dewo

large capacity stone crusher plant production line - best stone crusher plant solution from henan dewo

Dewo machinery can provides complete set of crushing and screening line, including Hydraulic Cone Crusher, Jaw Crusher, Impact Crusher, Vertical Shaft Impact Crusher (Sand Making Machine), fixed and movable rock crushing line, but also provides turnkey project for cement production line, ore beneficiation production line and drying production line. Dewo Machinery can provide high quality products, as well as customized optimized technical proposal and one station after- sales service.

Dewo machinery can provides complete set of crushing and screening line, including Hydraulic Cone Crusher, Jaw Crusher, Impact Crusher, Vertical Shaft Impact Crusher (Sand Making Machine), fixed and movable rock crushing line, but also provides turnkey project for cement production line, ore beneficiation production line and drying production line.

Dewo machinery can provides complete set of crushing and screening line, including Hydraulic Cone Crusher, Jaw Crusher, Impact Crusher, Vertical Shaft Impact Crusher (Sand Making Machine), fixed and movable rock crushing line, but also provides turnkey project for cement production line, ore beneficiation production line and drying production line.

Dewo machinery can provides complete set of crushing and screening line, including Hydraulic Cone Crusher, Jaw Crusher, Impact Crusher, Vertical Shaft Impact Crusher (Sand Making Machine), fixed and movable rock crushing line, but also provides turnkey project for cement production line, ore beneficiation production line and drying production line.

4.Big quarry Stone crusher plant/large stone production line with capacity 450t/h(Factory offer) can be used for hard limestone, granite, basalt, river gravel, smelting slag and other materials, aggregate and artificial sand making operations,for Hydropower Station, building materials, highways, urban construction and other industries.

4.Big quarry Stone crusher plant/large stone production line with capacity 450t/h (Factory offer) can be used for hard limestone, granite, basalt, river gravel, smelting slag and other materials, aggregate and artificial sand making operations,for Hydropower Station, building materials, highways, urban construction and other industries.

Dewo machinery can provides complete set of crushing and screening line, including Hydraulic Cone Crusher, Jaw Crusher, Impact Crusher, Vertical Shaft Impact Crusher (Sand Making Machine), fixed and movable rock crushing line, but also provides turnkey project for cement production line, ore beneficiation production line and drying production line.

Dewo machinery can provides complete set of crushing and screening line, including Hydraulic Cone Crusher, Jaw Crusher, Impact Crusher, Vertical Shaft Impact Crusher (Sand Making Machine), fixed and movable rock crushing line, but also provides turnkey project for cement production line, ore beneficiation production line and drying production line.

Quarry Machinery, Crushing Line, Crushing Plant manufacturer / supplier in China, offering High Performance Crushing Line, Quarry Machinery with Large Capacity, Hpc220 Cone Crusher Mining Equipment for Sale, 250-350 Tph Basalt Crusher Plant for Sale and so on.

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