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hammer crusher | crushing equipment | sinomaly

hammer crusher | crushing equipment | sinomaly

Applications Hammer crushers are primarily used for breaking materials with a compression strength that is less than 200MPa, such as limestone, gypsum, coal, marlstone and sandy shale in cement industries. The hammer crusher can crush the raw ore into small particles of 25mm in a single process, which simplifies the process when compared to traditional multi-stage crushing, thus saving customer investment costs. The hammer crushing equipment can also be added to a complete production line.

The crushing plate is placed directly in front of the rotor, and the material size to be delivered is determined by the gap between the crushing plate and rotating motor circle. It is made of a high manganese steel through a casting process, with the maximum clearance designed to be the same as the maximum size of the discharged materials.

The grate is composed of cast high manganese steel grate bars. These grate bars are mounted at bottom of the rotor, covering almost all working surfaces with laying in a circumferential direction, thus wet materials can be easily removed.

By outfitting this equipment with a security door, foreign materials will be immediately discharged using centrifugal force, with the door automatically closing to prevent unprocessed materials from accidentally being removed. The security door can usually be left open when the required discharge size is large.

Sinoma-Liyang Heavy Machinery Co., Ltd. (SINOMALY) Add.: No.11, Binhe Road, Tianmu Lake Industrial Park, Liyang, Jiangsu, China Contact Person: Mr. Chen / Ms. Qian Tel.: (Mr. Chen) (Ms. Qian) Fax: E-mail: [email protected]

impact hammer crusher_cement production line,cement machine,rotary kiln-jiangsu pengfei group co.,ltd

impact hammer crusher_cement production line,cement machine,rotary kiln-jiangsu pengfei group co.,ltd

Description of Our PF Series Impact Hammer Crusher: Our PE series impact hammer crusher is typically designed to crush various ores whose granularity is no more than 500mm and compressive strength no less than 350 MPa, like granite, limestone, basalt, and more. And it can be widely used in a large variety of fields, such as water and electricity, expressway, railway, artificial dinas, construction, etc.

The working principle of this machine is as follows: rotor rotates rapidly driven by the motor. When materials enter into the crusher, they will be broken by impacting the hammer and lining plates again and again until they are discharged out via the discharge hole.

hammer crusher_cement production line,cement machine,rotary kiln-jiangsu pengfei group co.,ltd

hammer crusher_cement production line,cement machine,rotary kiln-jiangsu pengfei group co.,ltd

Description of Hammer Crusher: Our PC series hammer crusher is mainly used to crush brittle mineral materials whose compressive strength is less than 100MPa, such as coal, salt, chalk, gypsum, alums, bricks, tiles, limestone, etc.

It is mainly comprised of crusher frame, rotor, grate bars, and hammer. Rotors are directly driven by the motor via elastic coupling, and materials will be crushed under the impacting action of hammer head to the crushing plate.

hammer crusher working principle | hammer crusher parts & design

hammer crusher working principle | hammer crusher parts & design

The hammer crusher is a type of ore crushing equipment. It can be used to crush medium-hard brittle materials with low water content, such as limestone, gypsum, slag, coke, coal, etc. It is widely used in cement manufacturing, chemical, electric power, metallurgy, and other industries.

Hammer crusher mainly breaks materials by the impact of hammers. The material entered into the working area of the crusher is crushed by high-speed hammers. The crushed material obtains kinetic energy from the hammers, and then it impacts on the crushing plate and grate screen at high speed and is broken for the second time. After that, the material smaller than the gap of the grate screen is discharged, and the material with larger particle size is bounced back to the lining plate and crushed by the additional impact of the hammers. The materials also impact each other during the whole crushing process in the crusher.

We take a 900 x 900mm single rotor, irreversible multi-row hinged hammer crusher as an example to introduce its structure and parts. This type of hammer crusher is commonly seen in cement plants and is suitable for crushing limestone, coal, and other medium hardness ores. It is mainly composed of a transmission device, rotor, lining plate, grate screen, and shell.

The shell is composed of the lower body, the upper rear cover, the left and the right side walls. Each part is connected by bolts. A feeding port is set on the upper part. The inner part of the shell is made of manganese steel, which can be replaced after being worn. The lower body is welded by steel plates in order to place the bearing to support the rotor on both sides of the lower body. A shaft seal device is arranged between the casing and the shaft to prevent ash leakage.

The rotor is composed of main shaft, hammer holder, and pin shaft. The hammer is suspended on the hammer holder in eight rows by the pin shaft. In order to prevent the axial movement of the hammer frame and the hammer head, both ends of the hammer frame are fixed with a compression disc and a lock nut. In addition, in order to make the rotor store a certain amount of kinetic energy in motion, flywheel or large pulley should be installed at one end of the main shaft.

The main shaft is the main part supporting the rotor, which needs to bear the mass and impact force from the rotor and hammer head in the process of operation, so its material must have high strength and toughness.

The hammer holder is used to hang the hammer heads. Although it does not directly participate in the process of crushing materials, it is still subject to the impact and friction of ore and wear, so it should be made of materials with good wear resistance.

The heavier the hammer, the more kinetic energy it possesses, and the higher the crushing efficiency. But heavy hammer also causes more damage to other parts and accelerate their wear process. The hammer weight should be able to balance the production efficiency and the wear rate.

The arrangement of grate bars of the hammer crusher is a circular arc that is perpendicular to the moving direction of hammerhead and has certain clearance with the rotary radius of rotor. The material smaller than the gap between grate bars can pass through the gap, and the material larger than the gap will be continuously impacted, ground and broken by the hammers until it can pass through the gap. Due to the impact of hard materials and metal blocks, the grate is easy to bend and break, so it needs to be inspected and replaced frequently.

The lining plate is installed inside the shell to protect it from the ore. The lining plate is cast by high manganese steel, the same material used for grate bar and hammer. The lining plate can be replaced when it is seriously worn to ensure product quality.

AGICO is a cement plant contractor focusing on cement equipment manufacturing. We supply clients with single rotor hammer crushers and installation surport. Please feel free to contact with us using the form below.

hammer crusher - hammer mill machine | agico hammer mill manufacturers

hammer crusher - hammer mill machine | agico hammer mill manufacturers

Hammer crusher (hammer mill machine) is a kind of equipment for crushing materials into smaller pieces by the repeated blows of little hammers. It is suitable for crushing the material with medium hardness and brittleness, the compressive strength is no more than 150 mpa and humidity is no more than 15%, widely used in cement plant, chemical industry, electric power industry, etc. The PFC impact hammer crusher, TPCD single-stage hammer crusher and the PC hammer crusher are the main models produced by our company. They all have a large crushing ratio, simple structure and high production efficiency.

In the working process of the hammer crusher, the motor drives rotor to rotate at a high speed. When materials are evenly fed into the machine cavity, the high-speed rotating hammer head will continuously impact the material until they are broken into small pieces. After that, the gravity of materials themselves makes them hit against the impact plate and fall on the sieve plate at the bottom of the machine. Materials larger than the size of the sieve hole will remain in the cavity and continue to be broken until reach the crushing size and then be discharged from the bottom.

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.

strong and reliable hammer impact crusher i flsmidth

strong and reliable hammer impact crusher i flsmidth

Many cement plants extract limestone by blasting, which often leads to oversized boulders containing a lot of clay and sand. The crusher therefore has to handle feed that contains larger blocks as well as some sticky materials. Our EV Hammer Impact Crusher is a proven, reliable and cost-effective impact crusher that help to overcome these crushing challenges.

In traditional hammer crushers with a top inlet, introducing large blocks in the feed can impede the action of the hammers and block the crusher. Our EV Hammer Impact Crusher, however, competently reduces quarry-size limestone boulders measuring up to 2.5 metres and weighing up to 5 tonnes to mill feed of 25 millimetres. This is a reduction ratio of 1:100 in a single operation. The EV Hammer Impact Crusher features a highly effective two-stage crushing process. Primary crushing takes place by impacting. Secondary crushing takes place by shearing and compression between the impact hammers and the breaker plate and between the hammers and the outlet grate. This ensures that even the smallest particles absorb energy and that no oversized particles leave the hammer impact crusher. The horizontal feed system can also tolerate coarse feed blocks because of its shock-absorbing inlet rollers.

The EV Hammer Impact Crushers throughput capacities range up to 2200 tonnes per hour (tph) with an outlet grate and 2500 tph without an outlet grate. Motor sizes are typically in the range of 500 - 2500 kW.

The hammer rows, which can vary depending on your crushing capacity needs, are arranged to provide complete coverage across the outlet grate. By arranging them in this way, the raw material can be crushed at multiple points increasing overall efficiency.

Adjustment of the spacing between the hammers, breaker plate and outlet grate can be optimised to compensate for hammer wear. Even when the hammers lose up to 30 percent of their original weight, the required product size curve is unaffected.

The adjustable outlet grate gives the EV Hammer Impact Crusher control of the maximum size of the product. The grate ensures a consistent flow to the conveyor and protects it against any sudden impact of material leaving the impact crusher at high speed. The grate also protects other nearby machinery from being damaged during operation.

The hold-up mechanism of the outlet grate generates a crushed product with a relatively high proportion of fines. In this way, more of the comminution work is moved from the less energy-efficient raw mill to the more energy-efficient hammer impact crusher.

The hammer rows are fitted in a staggered configuration to give complete coverage across the outlet grate. This provides several points for crushing of the raw materials, increasing the overall efficiency of the crusher.

The hammers are pivotally suspended from bolts and are symmetrically shaped. This reduces the full brunt from the contact between material and hammers, which protects the rotor and crusher housing. The hammers can easily be turned to reverse the leading and tracing edges for maximum service life.

Equipped with sturdy, replaceable grate bars supported by heavy cheeks, the adjustable outlet grate allows unique control of the mill feed size using hydraulic systems. This ensures a consistent flow to the conveyor. The outlet grate also serves as protection for the conveyor and other machinery such as reclaimers, sluices and mills, against operational upsets and mechanical damage.

A horizontal feed system incorporating one or two shock-absorbing inlet rollers helps to handle coarse feed blocks. The inlet rollers accurately control the feed to the hammer impact crusher and ensure a smooth and even flow of material. Whether one or two inlet rollers are used depends on the method of feeding the crusher.

Bolted-on, wear-resistant plates protect all exposed surfaces, including the adjustable breaker plates, from abrasive feed materials. The inlet rollers of the horizontal feed system consist of a cylinder and a concentric shaft driven by a separate motor. Rubber pads inserted between the shaft and the cylinder make the inlet rollers shock absorbent.

The hammer rotor assembly consists of a heavy-duty, forged shaft with a square cross section and is also fitted with rotor discs. The unique sandwich assembly of the discs is a robust construction, that helps prevent distortion and crack formation.

The top part of the EV Hammer Impact Crusher can be accessed by means of hydraulic cylinders. The supply package includes hydraulically-operated tools for fitting and dismantling of the heavy hammer bolts.

The hydraulic cylinders and tools are served by a mobile hydraulic power unit which can be stored in a separate room when not in use. A lifting yoke facilitates handling of the hammer rows when changing hammers. It also holds them in position when dismantling and fitting hammer bolts.

FLSmidth provides sustainable productivity to the global mining and cement industries. We deliver market-leading engineering, equipment and service solutions that enable our customers to improve performance, drive down costs and reduce environmental impact. Our operations span the globe and we are close to 10,200 employees, present in more than 60 countries. In 2020, FLSmidth generated revenue of DKK 16.4 billion. MissionZero is our sustainability ambition towards zero emissions in mining and cement by 2030.

effective impact crushers for cement plants | flsmidth

effective impact crushers for cement plants | flsmidth

A reliable and durable crusher is the foundation for delivering consistent feed to your raw mill and high-quality, dependable feed is the bedrock for an efficient cement production process. Our experienced engineers work closely with you to ensure that your impact crusher supports your goals, which starts with considering the composition of your raw materials. To help you choose the most appropriate crushing solution, we test your raw materials at FLSmidth Dania in Denmark or our laboratory in Chennai, India. These are two of the worlds most advanced laboratories for the analysis of raw materials and they allow us to measure various parameters, such as hardness, abrasiveness and stickiness. Our durable impact crushers handle a range of substances including:

With a throughput capacity of up to 2,600 tonnes per hour, our Strike-Bar crusher delivers high capacity results and low total cost of ownership. Whereas many other impact crushers have wear items that need frequent replacement, our Strike-Bar crusher uses strike bars with extended wear life, reducing their servicing frequency. We have also made replacing wear parts in our strike-bar impact crusher quick and easy increasing your operational up-time.

Many cement plants process oversize limestone boulders that often contain a lot of clay and sand, necessitating a crusher that can handle feed with both large-size blocks and some sticky materials. Our EV impact hammer crusher uses a horizonal feed system to process abrasive and moderately sticky raw materials in just one stage providing you a reliable, cost-effective solution.

Our EV impact hammer crusher reduces limestone boulders measuring up to 2.5m and weighing up to 5 tones in only one operation. When used without an outlet grate, our hammer impact crushers have throughput capacities of up to 2,500 tonnes per hour or up to 2,200 tonnes per hour with an outlet grate.

We supply long-lasting, easy-to-install wear parts for our impact crushers, ensuring you have high-performance crusher hammers and strike-bars throughout the lifecycle of your crushing equipment. With their outstanding wear-rate and simplified servicing, our impact crushers can also deliver the quick retrofit your cement plant needs to achieve modern, efficient operations.

FLSmidth provides sustainable productivity to the global mining and cement industries. We deliver market-leading engineering, equipment and service solutions that enable our customers to improve performance, drive down costs and reduce environmental impact. Our operations span the globe and we are close to 10,200 employees, present in more than 60 countries. In 2020, FLSmidth generated revenue of DKK 16.4 billion. MissionZero is our sustainability ambition towards zero emissions in mining and cement by 2030.

cement crusher crusher in cement plant | agico cement

cement crusher crusher in cement plant | agico cement

Raw materials of the cement plant are mostly from open-pit mines, and the ore size of large mines can reach 1.5-1.8m. In the preparation of cement raw materials, we first need to crush limestone, gypsum, clay and other materials into proper size to facilitate the subsequent transportation and storage, at the same time make full preparations for the next process (cement raw materials grinding). Therefore, as the first process of cement production, material crushing is particularly important in the design of a cement plant.

As a cement plant manufacturer, AGICO not only produces cement production lines, stone crushing plant, but also manufactures many cement equipment, such as a series of cement crushers required for cement raw material crushing: cone crusher, impact crusher, hammer crusher, jaw crusher, and four-roll crusher.

The following methods are usually used to crush materials: extrusion, cutting, and impact. In normal conditions, one crusher may use one or more methods to break materials, among which the extrusion principle has the lowest energy consumption and the least wear. While there are some other factors need to be considered when we choosing the crusher, such as material moisture content, hardness, abrasion, mechanical robustness, and operating costs.

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.

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