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A pulverizer is a highly efficient processing device that uses mechanical force as a pulverizing power source, specifically designed to grind conventional feed ingredients into micron-sized fine powders (typically, over 95% of the material can pass through a sieve of 80 mesh or larger, and even several hundred mesh). It is a core piece of equipment for modern feed processing.
Main Features:
1. The machine features a novel design, compact structure, and small footprint, resulting in high production efficiency and low specific energy consumption.
2. It is reliable, durable, and has a low failure rate. It is easy to operate and maintain, and wear parts can be easily replaced.
3. It is easy to use, with smooth transmission and low noise levels. Multiple vibration and noise reduction features improve the working environment.
4. The main crushing components (hammers, ring gear, main shaft, etc.) are made of a special wear-resistant alloy that has been heat-treated, resulting in high hardness, strong wear resistance, long service life, and low feed production costs.
5. It utilizes a high-efficiency impact and shear composite crushing principle, resulting in high crushing intensity, fine and uniform particle size, and no secondary crushing is required.
6. The unique design of the crushing chamber features a powerful vortex effect and self-cleaning function. There are no dead corners within the chamber, so changes in recipes or product types do not require machine shutdown for cleaning. This results in minimal material residue, minimal cross-contamination, and stable product quality.
7. The modular, quick-install screen system is quick and easy to replace, cost-effective, and can be flexibly configured to meet different particle size requirements.
8. Optional intelligent automatic feeding system. The feeder utilizes a screw conveyor controlled by a variable frequency motor, linked to the main machine. The feed speed can be precisely adjusted to control grinding fineness and output (quantitative feeding and effective prevention of material arching and clogging).
9. The grading system features either built-in or external independent grading devices that connect easily and quickly to the main machine. The stepless speed-controlled motor allows for convenient adjustment of the classifying wheel speed, allowing precise control of the finished particle size, ensuring the desired fineness, and producing ultrafine powder products of varying specifications.
10. Excellent ultrafine grinding results and a high cell wall rupture rate facilitate animal digestion and absorption, improving feed conversion rates, and enabling pelleting without the addition of excessive binders.
11. Powders with a mesh size of 20-200 (or finer) can be processed (screens can be customized).
12. The rotors are either integrally balanced or modular, dynamically balanced, ensuring smooth operation and adaptability to grinding materials of varying hardness.
13. This series of equipment is particularly suitable for premix plants, aquatic feed plants, additive plants, scientific research institutions, and small and medium-sized feed plants.
14. The multi-stage, multi-chamber design enables both coarse and ultra-fine grinding, making this machine versatile and highly adaptable.
Main Components
The rotor assembly (hammer disc, hammers, and pin) is the primary moving and working component of the ultra-fine grinder. Parameters that determine its performance include rotor diameter, working width, linear speed, number of hammers, and arrangement. The rotor’s dynamic balancing accuracy and the clearance between the hammers and the ring gear have a decisive impact on the grinder’s efficiency, noise, and vibration.
The ring gear (liner) is a key component fixed within the grinding chamber, forming the grinding zone together with the rotor’s hammers. Its tooth profile, wear resistance, and clearance between the hammers and the rotor significantly influence the material’s grinding quality, particle size distribution, and production efficiency.
The main shaft assembly, consisting primarily of the main shaft, bearing housing, bearings, locking sleeves, seals, and pulleys, supports the rotor and transmits power.
The screen is the final checkpoint for controlling the particle size of the finished product. Its aperture size, porosity, and material directly affect product fineness, yield, and power consumption. It primarily consists of a screen frame, screen, clamping mechanism, and seals.
