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| Customization: | Available |
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| Application: | Cement Industry, Chemical Industry, Construction, Metallurgy, Mining |
| Certification: | CE, ISO |
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The Hammer Crusher (also known as Hammer Mill) is a high-efficiency size reduction machine that utilizes high-speed rotating hammers to impact and shatter materials. Designed for robust performance and reliability, our hammer crushers are CE and ISO 9001 certified, meeting rigorous international standards for safety, quality, and environmental compliance. This equipment offers an exceptional crushing ratio and stable operation, making it a trusted solution for demanding processing environments worldwide.
The equipment primarily consists of a rotor assembly (main shaft, discs, pin shafts, and hammers), a crushing chamber, a screening grate (or bar grate), and impact liners.
Operating Principle:
High-Speed Impact Crushing: The motor drives the rotor to rotate at high speed inside the crushing chamber. Material fed from the top inlet is instantly struck by the rapidly moving hammers, undergoing intense impact, shear, and attrition.
Secondary Collision & Grinding: The material, having gained kinetic energy from the hammers, is hurled against the impact plates or toothed liners inside the casing, causing further fracturing. Oversized particles that do not pass the grate opening are retained in the chamber and continuously ground by the hammers until they are reduced to the desired discharge size.
The hammer crusher excels at processing materials of medium hardness (compressive strength ≤ 150 MPa) and brittle nature. It is widely deployed across the following core industries:
Mining & Construction Materials: Crushing limestone, granite, basalt, dolomite, sandstone, shale, quartzite, gypsum, and kaolin for aggregate production and mineral processing.
Cement & Thermal Power: Secondary and fine crushing of limestone, coal, coke, slag, coal gangue, and fly ash for raw meal preparation and fuel processing in power stations.
Metallurgy: Processing iron ore, manganese ore, blast furnace slag, and metallurgical fluxes (limestone, dolomite, barite).
Waste Recycling & Resource Recovery: Shredding construction and demolition waste (concrete, bricks), scrap metal (car bodies, aluminum cans, aluminum profiles), e-waste (circuit boards, batteries), waste plastics, tires, and glass cullet.
High Reduction Ratio & Uniform Output: Achieves reduction ratios from 10:1 up to 25:1 (up to 50:1 for heavy-duty models), effectively reducing large feed material to fine, cubical particles with minimal over-crushing.
High Throughput & Energy Efficiency: Processes large volumes per unit of energy consumption, lowering operational costs for large-scale production.
Simple Structure & Easy Maintenance: Compact design with minimal footprint. Easy access to wear parts simplifies maintenance routines and minimizes downtime.
Flexible Customization:
Blade & Hammer Material Customization: We offer tailored metallurgy to suit specific wear environments. Options include Cr12MoV, SKD-11, 9CrSi, D2, and DC53 high-alloy steels, ensuring superior durability and extended service life even under high-impact and abrasive conditions.
Discharge Size Adjustment: Grate gap and hammer arrangement can be adjusted to meet specific product size requirements.
Reversible Operation: Models equipped with reversible rotors allow for nearly double the continuous operating life by enabling even wear on both ends of the hammers and liners before maintenance is required.
To ensure optimal performance and longevity, please consider the following factors during selection:
Material Hardness: Best suited for materials with medium or lower hardness and low abrasiveness.
Moisture Content: To prevent screen/grate blockage, the recommended material moisture content is below 15%, with optimal performance typically achieved below 10%.
Wear Parts Maintenance: Hammers and grate bars are consumable items. Regular inspection and timely rotation or replacement are essential to maintain throughput capacity and consistent product particle size.
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