Hammer Crushing Machine

Nanjing Huozao Machinery Technology Co., Ltd. is one of the leading manufacturers and suppliers of hammer crushing machine in China. With abundant experience, we are committed to providing high quality equipment made in China with competitive price. Welcome to wholesale customized hammer crushing machine from our factory.

Working Principle

 

The core crushing power comes from the high-speed rotating main shaft and matched hammer blade assembly. Depending on different model specifications and processing materials, the rotor running speed is stably maintained between 2800 rpm and 4500 rpm. After materials enter the crushing chamber through the feeding port, they are instantly impacted and shattered by high-speed moving hammers for primary crushing.

Broken material particles continuously strike the chamber inner liner and collide with one another, generating secondary friction and impact to further refine particle size. Driven by internal circulating airflow, fine particles move toward the bottom screen mesh. Particles that meet the screen aperture standard pass through and discharge as finished products, while larger residues remain in the crushing area for repeated hammer impact until reaching the qualified size. The final finished fineness is comprehensively determined by screen opening size, rotor speed, material physical properties and actual feeding rate.

High Throughput for Continuous Production This Hammer Crushing Machine features large processing capacity and efficient material crushing in a short working cycle. It supports uninterrupted continuous production, with complete equipment specifications covering laboratory testing, pilot production and large-scale industrial supporting lines, meeting diversified output demands of different production scales.

Heavy-Duty Impact Resistant Structure The rotor, hammer assembly and crushing chamber are all reinforced and optimized to adapt to long-term repeated impact loads. Compared with light-duty fine pulverizers, this machine fits a wider range of conventional materials. Users need to confirm actual material hardness before equipment selection to ensure stable operation. Hammer blades and inner liners belong to vulnerable parts. Continuous processing of abrasive materials will accelerate component wear, requiring regular inspection and timely replacement.

Hygienic Stainless Steel Configuration To meet food and pharmaceutical grade production standards, all material-contact parts are made of 304 stainless steel. The smooth inner chamber surface effectively reduces material adhesion and accumulation, simplifying daily cleaning and avoiding cross-contamination. For scenarios with ultra-high hygiene requirements, targeted configurations can be matched according to on-site production specifications.

Optional Water Cooling for Heat-Sensitive Materials High-speed impact crushing inevitably generates frictional heat, especially during long-duration continuous operation. For temperature-sensitive materials prone to softening, discoloration and qualitative deterioration from heat accumulation, a customized water-cooling jacket can be equipped on the crushing chamber. Circulating cooling water continuously takes away internal heat to stabilize material properties and ensure consistent finished product quality.

The equipment is mainly designed for stable crushing of dry, brittle and medium-hard materials, with clear application boundaries for special raw materials. High-viscosity materials easily adhere to the chamber wall and block the screen mesh, greatly reducing crushing efficiency. Long fibrous materials are likely to wrap the rotor, causing uneven discharging and unqualified particle size. Excessively hard and highly abrasive materials will intensify wear of hammers and liners, raising later maintenance costs.

Standard Hammer Crushing Machines are not applicable for flammable and explosive materials. Processing such hazardous materials requires separate evaluation of equipment structure, electrical system and professional explosion-proof supporting configurations. In addition, material moisture is a key selection indicator. Even with similar hardness and particle size, wet and sticky materials will cause completely different processing effects and easily lead to operational failures.

Use in Powder Processing Lines
In actual industrial matching, the Hammer Crushing Machine is usually arranged in the front process of powder production lines, supporting subsequent equipment such as mixers and dryers. It firstly crushes coarse bulk raw materials into standard fine powder, then delivers qualified materials to V-type mixers, 3D mixers, double cone mixers, ribbon mixers and other blending equipment for follow-up processing.

For production lines with strict dust control and environmental protection requirements, the equipment discharge port can form a fully closed conveying system with dust-free feeding stations or vacuum feeders through pipelines. This mode reduces manual material transfer links, avoids dust overflow and pollution, and realizes continuous and automated linkage operation of the whole crushing and mixing production line.

The following are the technical specifications of commonly available industrial hammer-type universal crushers on the market (e.g., 20B/30B/40B/60B series), which can serve as a reference for model selection:

Note: The above production capacity is for reference purposes; the actual processing capacity may vary significantly depending on material properties (hardness, moisture content, specific gravity).

Comparison of Three Types of Universal Grinders
To help you better understand the differences between hammer-type, gear-type, and blade-type systems, we provide a side-by-side comparison below:

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