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crushing production line safety

2 types of concrete crushing production lines | fote machinery

2 types of concrete crushing production lines | fote machinery

These seemingly useless concrete blocks mixed with pavement cement blocks, waste, waste rock, and garbage are only to be sorted and recycled, and then can completely "turn waste into treasure" and realize its economic value.

The traditional treatment method only involves the physical migration of concrete construction waste, which will bring a safety hazard, result in huge pollution of water resources, land resources and air resources, and occupy a large amount of land area.

1. Production of coarse and fine aggregates: Combined with the strength grade of construction waste, concrete aggregates with different hardness and grain size can be processed, and can also be used for road pavement base filler.

2. The production of new, environmentally friendly building materials: Recycled concrete construction waste and cement blocks are often used to manufacture environmentally-friendly bricks, insulation materials, insulation walls around the outside of the wall, dry mortar, etc.

4. Temporary road laying: A large number of cushions are required in the road construction process, so the concrete construction waste can play a huge role in the laying of road cushions and temporary roads.

Also, concrete waste is always mixed with scrap wood, which can be used for wood regeneration. For the waste wood in construction waste, the well-preserved can be directly used for reconstruction, and the damaged materials can be raw materials of regenerating wood, or used in the paper-making field.

The specific use of crushed concrete waste also depends on the processing effect of the selected equipment. At present, there are two kinds of crushing production lines for processing concrete waste, one is fixed concrete crushing production line, and the other is mobile crushing production line.

The fixed type is suitable for some stone factories and concrete wastes need to be equipped with professional crushers, iron removal equipment, professional dust removal and noise reduction equipment, vibration feeders, magnetic separators, flotation machines, vibrating screens, belts, etc., which forms a complete production line for concrete waste treatment.

The mobile type is more suitable for housing developers and concrete waste disposal companies. It is easy to transport and can be pulled into the construction site for quick operation, which saves the space without having to build a special factory.

It can produce different aggregates with various specifications, achieving the needs of different customers. This kind of mobile construction waste treatment equipment is widely used, and its main features are as follows:

The most commonly used crushing machines are jaw crushers, hammer crushers, and impact crushers. Which one to choose, users need to make choices according to their own needs and actual conditions, and the most important thing is to make choices according to the characteristics of the crushers.

Uses: The impact crusher can handle the crushing of various coarse, medium and fine materials with a length of less than 500 mm and a compressive strength of less than 350 MPa. The discharging granularity can be adjusted as needed to adjust the gap between the hammerhead and the counterattack plate.

Uses: Jaw crusher is a piece of early crushing equipment. Because of its simple structure, firmness, reliable work, easy maintenance and overhaul, and relatively low production and construction costs, it is still widely used in metallurgy, chemical industry, building materials, etc.

Concrete waste is made up of chemical constituents of silicates, oxides, hydroxides, carbonates, sulfides and sulfates, which means that it is soft and has a certain strength, hardness, impact and wear resistance.

1. The impact crusher can effectively treat materials with large moisture content and prevent clogging of the crusher. Therefore, when the concrete has a large moisture content, the impact crusher is the best choice.

2. The hammer crusher has less investment, large output and low power consumption. When the user has a large demand for production and considers the investment problem, hammer crusher is the best choice.

3. The jaw crusher is widely used, especially for one-stage crushing, which is to crush large materials into two-stage crushing machines. If the feeding materials are large, it must be crushed by jaw crusher.

There are many manufacturers of concrete waste crushers. Most of the famous brand concrete crusher manufacturers provide perfect one-stop service before-, during- and after-sales, which can save the cost of manufacturers, so the price of the concrete crusher will be lower.

Fote Heavy Machinery is a professional crusher manufacturer integrating R&D, production and sales. 37 years of production experience has established Fote's leading position in the crushing industry. The crusher produced by Fote is economical and affordable, which is the best choice for users.

And Fote adopts the self-produced and self-selling development model, which can directly contact and communicate with customers so that it can effectively carry out targeted equipment process improvement and model adjustment according to the production needs of customers, tailoring the equipment for customers.

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.

crusher plant | mineral & aggregate processing - jxsc mine

crusher plant | mineral & aggregate processing - jxsc mine

Crusher plant is a complete aggregate crushing processing, which can be divided into the jaw, impact, cone crushing plant, portable mobile crushing station, quarry crushing plant. Crushing materials that include rock, puzzolana, gravel, limestone, coal, iron ore, construction and demolition wastes, and other mineral raw materials. The purpose of the crushing process plant is to obtain different rock sizes or mineral mining.

JXSC has rich experience in the stone crusher plant layout and solutions. Since 1985, We have successfully installed many stone production lines with different outputs, such as 60tph, 100t/h, 200tph, 500tph.

1. Working flow: The main crushing process step is material screening rough crushing middle crushing re-screening fine crushing washing sand discharge. 2. Particle size: composition: particle size 5 ~ 50 mm pebble accounted for 5% ~ 10% of the total, particle size 50 ~ 100mm pebbles accounted for 60% ~ 70%, particle size of 100mm or more pebbles accounted for 20% ~ 30%.

1. Main equipment: Jaw crusher, impact rock crusher, vibratory feeder, single cylinder cone crushers, vibratory screen. 2. Material: limestone, cobblestone. 3. Capacity: 500-600TPH 4. Feedback: The pebbles and other rocks treated by the Canadian customers aggregate production line can meet the requirements of building materials, highways, railways, construction projects.

JXSC stone crushing production line widely applied to the limestone, basalt, granite, cobblestone and other rocks processing operation. Providing qualified aggregate for construction material among road, railway, building, concrete, etc. The complete set of stone & rock material production circuit has the features of reliable performance, reasonable design, convenient operation, and high working efficiency.

The common stone crushing plant equipment list: feeder (vibrating feeder), crusher machine ( jaw crusher, impact crusher, hammer crusher, cone crusher), screening machine (vibrating screen), ore washing equipment, belt conveyor, and so on. According to the different needs of customer's conditions, JXSC can provide stone production line processing capacity ranges from 50-500 tons per hour, and the hardness of rock does not exceed 320MPa.

Less than 150MPa, vibrating feeder - high-efficiency compound crusher ( achieve required particle size at one time, hammer crusher) - vibrating screen - finished stone, using belt conveyor connect every machine. Less than 320MPa, vibrating feeder - jaw crusher (primary crusher) - stone crusher (secondary crusher, such as impact crusher, hammer crusher, sand making machine) - vibrating screen - finished sand.

1. Automatic operation. There is hardly any need of manual operation except for start-up, shutdown, and routine maintenance. 2. High production efficiency at low cost, uniform particle size, and good shape. 3. Little space taking, flexible operation, low stone powder output rate. 4. Reliable, convenient, safety.

1. Select a reliable stone crusher manufacturer which has rich experience. There are many factors affecting crushing efficiency that should be taken into consideration, such as material characteristics, site, productivity, belt conveyor angle, and length, etc. Only an experienced company can provide suited crushing line layout solutions to solve insufficient capacity, material blocking and so on problems. 2. Case reference, field investigation. Taking a visit to the production line built by my company, especially those with similar capability and materials, is a good way to know JXSC quality and service, that's would be great if can bring some benefits for you. 3. Environmental protection and enemy saving.

>>>>200-300TPH Gabbro Crusher Plant In Katar >>>>75TPH Limestone Crusher Plant In South Africa >>>>200TPH Granite Sand Plant In Nigeria >>>>85T/H Riverstone Crusher Plant In Chile >>>>150TPH Iron Ore Crushing Plant In South Africa >>>>View More

Jiangxi Shicheng stone crusher manufacturer is a new and high-tech factory specialized in R&D and manufacturing crushing lines, beneficial equipment,sand-making machinery and grinding plants. Read More

african mining & crushing production first, safety always amc

african mining & crushing production first, safety always amc

Operating safely is not just about compliance for African Mining and Crushing, it is an internal philosophy and non-negotiable requirement designed and implemented to protect our most important asset our employees.

And because our cultural ethos values our staff as we would our own family members, we take their safety personally and are therefore naturally motivated by more than numbers and records to keep them safe, says CEO Warwick Hughes.

Mining is a high-risk business and we must cater to this reality, which starts with education and training and the development and implementation of safety systems and procedures that operate as the backbone of every movement on site.

When considering African Mining and Crushings safety challenges, working with large rocks, moving components, heavy-duty crushing equipment and trackless mobile machines pose the greatest risk and are traditionally responsible for fatalities in the mining sector.

To minimise these specific risks, African Mining and Crushing not only complies with legislation in terms of how to operate the machinery but has incorporated additional safety measures to reduce safety risks further.

Reviewing the companys safety policy more closely, Recchia notes that effective training is delivered through experts, who in addition to safety must also understand the challenges in mining and more specifically, the specific challenges associated with African Mining and Crushings line of work.

This is a highly effective training mechanism, particularly in Africa where competency levels may be lower in more remote locations. Transferring knowledge and skills by pairing a local recruit with an experienced expatriate further drives sustainability in the sector through upskilling, Recchia points out.

A dedicated safety officer is not only there to enforce safety procedures but plays an active role on the site such as being present during the process of re-starting a machine or plant following a plant shutdown or equipment breakdown.

Recchia himself, although in charge of safety across the board at African Mining and Crushing, takes safety seriously and visits every site regularly (at least every three months) to conduct full safety assessments and audits.

In addition to a zero-fatality record, African Mining and Crushings lost-time injury (LTI) frequency rate is below the industry average, although Hughes and Recchia remain devoted to delivering an injury free company as well.

This is higher than the companys lowest record (since 2012) of 0.43 in 2014 but considerably lower than 2016 and 2017s average of 1.63 and 1.34 which Recchia notes was largely the result of twisted ankles.

African Mining and Crushing believes in reporting any and all incidents and accidents, irrespective of the severity, in order to investigate the causes and implement corrective actions, thereby striving towards zero harm.

This means providing medication to prevent disease and beyond this fogging to keep mosquitos at bay. Each area we work in is individually assessed for potential risks, and protocols are then implemented to mitigate these risks.

African Mining and Crushing is undoubtedly not only passionate about delivering optimal and cost-effective production output, but is equally committed to doing so safely ultimately contributing to the success of its clients.

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stone crushing plant - automatic stone crusher plant | agico

stone crushing plant - automatic stone crusher plant | agico

The stone crushing plant is a kind of special plant for building stone production. AGICO stone crushing production line is a project launched by our company after several years of development and research. Compared with the traditional crushing model, it saves a lot of energy and labor. At the same time, it has the characteristics of reasonable design, reliable operation, convenient operation, high efficiency, and energy-saving. We provide the equipment and design the production line according to the customers specific needs. AGICO has the ability to provide you with the best technical support.

The stone crushing plant manufactured by AGICO mainly consists of a vibrating feeder, jaw crusher, impact crusher, vibrating screen, belt conveyorcentralized electronic control system, and other equipment. The designed output is generally 30-350 tons per hour. According to different technological requirements, we can also equip the dust collector, cone crusher, or other cement crushersto meet the different production needs of customers.

In the production process, large stones are evenly sent to the jaw crusher by a vibrating feeder for coarse crushing (primary crushing), then sent to the impact crusher by the belt conveyor for secondary crushing. After that, all the stones will be divided into three different sizes on the vibrating screen. The large-sized stone which beyond the specification will be sent back to the impact crusher by the belt conveyor for re-crushing, and then sent to the vibrating screen again forming closed-circuit multiple cycles until the completion of production.

Our stone crushing plant has a high degree of automation. Except for equipment start-up, shutdown, and daily maintenance, the whole plant requires almost no manual operation. Besides, our equipment is easy to maintain. The wearing parts are made of high-strength wear-resistant materials, with a small loss, and long service life, which can bring considerable economic benefits to customers.

This plant has been successfully applied in the crushing processing of limestone, basalt, granite, pebble, and other rocks. The product quality completely reaches the GB14685-2001 standard, which can be regarded as aggregate for high-grade highway, railway, water conservancy, concrete mixing plant, and other industries.

The performance of the stone crushing plant can be judged according to the product quality. There are mainly two quality indexes of crushed stone: the ratio of elongated and flaky particles and the content of the powder. If these two indicators exceed the specified range, the product quality is unqualified and cannot be used in large projects. The quality of crushed stones produced by our crushing plant is in line with the relevant standards. The content of elongated and flaky particles and powder in the crushed stone is very small and the product particle size is uniform, the particle shape is good with no internal crack, the compressive strength is high, and the granular composition is reasonable.

AGICO has large manufacturing workshops and professional processing equipment to ensure the fast and high-quality production of related equipment in the automatic stone crusher plant. In addition, we have more than 20 years of production and sales experience, the products are exported to all over the world, therefore, we can ensure the timely and safe delivery, reducing the time cost of customers.

AGICO provides EPC turnkey projects. It not only includes the manufacture of various specialized equipment in the stone crushing plant but also includes the plant design, onsite installation, real-time commissioning, equipment operation training and usual spare parts service.

Customization is the most basic service our company provides for each customer. We will design the production lines and choose equipment according to customers specific needs on stone specification, output, application, construction environment, etc. Every customer will get their satisfied stone crushing production line here.

Jaw crusher is mainly used for raw material coarse and medium crushing in the cement plant and crushing plant. According to the width of the feed port, it can be divided into three types: large type (feed port is larger than 600mm), the medium type (feed port is between 300-600mm), and small type (feed port is smaller than 300mm). It features small noise, small dust, simple structure, low cost, which is the idol choice for raw material crushing.

Impact crusher can handle the material with side length between 100-500mm and the resistance pressure no higher than 350mpa. It has the advantages of large crushing ratio, low power consumption and long service life. Its discharge size is adjustable, and after crushing, the material presents a cubic shape. As a crushing mill that can finely crush materials, it is widely used in building material, tone crushing, railway, cement, and chemical industry.

AGICO Group is an integrative enterprise group. It is a Chinese company that specialized in manufacturing and exporting cement plants and cement equipment, providing the turnkey project from project design, equipment installation and equipment commissioning to equipment maintenance.

aggregate crushing plant-high safety high efficiency stable performance

aggregate crushing plant-high safety high efficiency stable performance

As a result of the great development of the basic construction and the reconstruction of the towns and the rapid rise of the high-rise buildings, the old-style buildings die out, and the waste of the construction wastes is directly buried without treatment, Then it will cause long-lasting harm to our living environment. Crusher plant can deal with construction wastes well.

Our company, a professional construction machinery manufacturer in China, provides top quality crushing plant, asphalt plant, concrete batching plant for sale. If you are interested, just contact with us now!

Compared with the mobile crushing plant, the stationary crushing screen plant has no tires. In view of the present situation of construction waste treatment in our country, crushing plant has strong advantages, but with the increasing maturity of construction waste disposal market, it will slowly be transformed into fixed crushing plant, that is to say, mobile crushing station is transitional equipment, and slowly will be converted into fixed type.

It is mainly used for fields like metallurgical, chemical, building material, hydro-power that needs material processing, especially for highway, railway, hydro-power with the operation of mobile stone. Customers can choose multiple configuration according to types of raw material, size and finished material requirements.

Mobile crusher plant can not only reduce the cost of transportation, but also cooperate with brick making machine to make the raw material into finished products at one time. With the increasing market demand, various types of crushing plant are needed, such as jaw mobile crushing plant, tire mobile crushing plant and other types. These plants can produce product with high quality, high crushing ratio, reliable performance.

Vibration feeder takes eccentric shaft as excitation source, gear transmission, low noise, stable operation, long life, and it can screen fine material in advance to make crusher more efficient. Adjust the gap grid design to prevent material blockage. Customers can selectively install speed-regulating motor, easy to control the feed quantity, no need for frequent start-up of the motor.

Circular vibrating screen is a kind of screening machine, which mainly produces centrifugal inertia force (excitation force) with radial variation because of the unbalanced rotation of the vibrating wheel of the exciter. Itdrives the screen box and makes the screen vibrate. The trajectory of the screen frame is elliptical. The material on the screen is thrown up by the upward movement of the screen surface, and then falls back to the screen surface after a distance. In this way, the screening is completed in the process of moving from the feed end to the discharge end. The amplitude of the vibrating screen can be adjusted by changing the weight and position of the counterweight.

As far as the counterattack crusher is concerned, the rotor rotates at high speed under the drive of the motor while working, and the material entered from the feed port is hit by the plate hammer on the rotor, which is broken by the high speed impact of the plate hammer; the broken material is hit back on the liner and broken again; later, it is discharged from the outlet. Adjusting the gap between counterattack frame and rotor frame can change the particle size and shape of material.

The material is uniformly transported into the crusher through the feeder, and after the crusher is initially broken, the closed circuit system is formed by the circular vibrating screen to realize the cyclic crushing of the material, and the material in accordance with the grain size requirements is output by the conveyor, so as to achieve the production purpose.

Before the operation, check whether the supporting equipment can run normally, such as crusher, feeder, and so on, whether the connection of these supporting equipment is loose or falling off, and whether the transmission device is abnormal. Especially the crusher, ensure that there is no residual materials in the crusher. In addition, because the working environment of the stone crushing plant is complex, the tire of the mobile crushing station is a vulnerable part, the user should also check whether the tires can work normally before carrying out the operation, so as to ensure the overall performance and normal operation.

The circuit problem of the whole machine in the operation process is a problem that the user needs to pay attention to. If there are special noises, odors or sparks in the working process, stop the operation immediately, maintain in time and never work by force. Otherwise, the whole equipment and motor may be damaged, and it is easy to cause inestimable losses to the user.

Before the stop of the crushing plant, the user must ensure that all the equipment can stop after all the materials are discharged. After the mobile crusher stops, the user should also check the circuit of the equipment, the supporting equipment and lubrication in time. For any abnormal condition, repair and maintain in time. In addition, due to the complexity of the working environment of the aggregate crushing plant, users need to clean and maintain the equipment in time after operation.

quarry crusher plant - crushing & screening plant - aimix group

quarry crusher plant - crushing & screening plant - aimix group

Quarry crusher plant is mainly composed of vibrating feeder, jaw crusher, impact crusher, vibrating screen, belt conveyor, centralized electric control and other equipment. The design output is generally 50-500t/h. To meet different processing needs of customers, conical crusher and dust removal equipment can be equipped. It is applied for limestone, granite, basalt, pebbles, other aggregates, artificial sand-making operation. It is suitable for hydro-power, building material, highway, urban construction. According to different configuration requirements, various models of equipment can be combined to meet customers.

Our company, a professional construction machinery supplier, provides top quality products with factory price, such as asphalt mixing plant, dry mortar plant, concrete batching plant, crushing plant. These equipment are designed and produced according to national standards and safety requirements. If you are interested, just send inquiry to us!

Except star, stop and daily maintenance, the equipment doesnt need much labor operation. Combined with electric control system, the whole operation of the equipment is reliable, convenient and energy-saving.

The equipment is designed for crushing limestone, basalt, silica, pebbles, granite. The finished stones have uniform particle size and good shape. It can provide qualified aggregate for industries and fields, such as highway, railway, water conservancy, etc.

The raw material is transmitted evenly by vibrating feeder to jaw crusher for tough crushing. After rough crushing, the stone is transmitter by belt conveyor to impact crusher for fine crushing; after fine crushing, the stone is transmitted by belt conveyor to vibrating screen for screening and classification.

After screening the stones with different sizes, the stone with qualified particle size is sent to the finished sand pile by conveying system; the stone with unqualified particle size is sent to the impact crusher for crushing again, which forms closed loop with muti cycle.

When the Mohs Hardness of raw material is less than 320Mpa, such as silica and basalt, the main equipment include: vibrating feeder-jaw crusher (primary crushing equipment)-stone crusher (impact crusher, hammer crusher)-vibrating screen-finished stone. The material is transmitted by belt conveyor.

When the Mohs Hardness of raw material is less than 150Mpa, to save purchase cost and improve production efficiency, one forming machine is adopted. It mainly includes: vibrating feeder-high efficiency composite stone crusher ( that is, two-in-one crusher, it can crush the stone with ideal particle size)-vibrating screen-finished stone. The material is transmitted by belt conveyor. To learn more, contact us now!

For quarry crushing plant, it produces a large amount of finished stones every day. The worker should maintain and check the wear conditions timely. If the wear is not serious, repair the device timely, if the wear is serious, and the equipment cant work, replace the components in time.

For maintenance, large machinery equipment need to add lubrication timely. For crusher plant, it is also necessary to add lubricant regularly, which can control the friction between some components. It can also play a role in controlling corrosion when the equipment doesnt work for a long time, which can improve the service life and production efficiency of the equipment.

Quarry crushing plant is related to many production equipment and production flow. The management is also very troublesome. Technicians should guide the production process, investigate and solve a series of problems in production timely, avoid safe problems in production, ensure the efficiency and orderly production of the equipment.

Check whether the lubrication of bearing is good. The lubricating oil should be full of 50% of the bearing capacity in normal conditions. In other case, the lubricating oil become metamorphic and sticky. It needs to clean the bearings and replace new lubricating oil.

It may be that the feed size is too large; the wear of wear-resistant parts is uneven, the counterattack hammer needs to be replaced; the rotor is unbalanced and needs to be adjusted and proofread to balance; check whether the anchor bolts of the equipment are fastened and properly strengthened.

It shows that the wear of the plate hammer or the liner of impact crusher is serious, which causes the gap between the plate hammer and impact plate too large, the clearance of the impact frame before and after adjustment, or the replacement of the liner and the plate hammer; adjust the position of the impact frame so that the clearance between the two sides and the liner plate is uniform; if the liner on the rack is seriously worn, it should be replaced in time.

It is mainly due to belt breakage. Replace triangle belt, pay attention to belt quality, or because of the improper assembly of pulley, it is necessary to adjust the active and driven pulley on the same plane.

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