SKJ3-550 fertilizer flat die pellet mill
the pellets diameter can be selected from 2mm to 8mm.
Wide application scope:
1. Agricultural waste: straw, dregs of beans, cotton dregs, rice bran,etc.
2. Animal manure: mixture of poultry litter (PL) and animal waste(AW),such as,Slaughterhouse Waste,Fish Market,Urine and dung of cattle,Pigs,Sheep,Chicken, Ducks, Geese,Goat.etc.
3.Industrial waste: wine lees, vinegar residue, manioc waste, sugar scum, furfural residue etc.
4. Home scrap: food waste, bones, the roots and leaves of vegetables, etc.
5. Sludge: the sludge of the river, the sewer, etc.
6.Chemical powder.
Technical parameters
| Name | Fertilizer flat die pellet mill |
| Model | SKJ3-550 |
| Power(kw) | 55kw/75kw/90kw |
| Capacity | 2-3tons/h |
| Size(mm) | 2600*1100*2290MM |
Versatile Pellet Mills Technology for Feed & Fertilizer Production
The SKJ3-550 flat die pellet mill leverages advanced pellet mills design to serve as a central machine in feed or fertilizer manufacturing. As a grain pellet machine and pellet maker machine, it is suitable for processing raw materials such as corn, wheat, soybean meal, alfalfa, grass meal, and organic compost. The machine’s flat-die mechanism ensures uniform pellet output with high density and durability, making it ideal for applications requiring reliable pellet shaping. Although the machine is not a hammer mill machine itself, in full production lines where woody or fibrous input must be pre-treated, upstream equipment such as a wood hammer mill, wood shredder or branch shredder may be used to condition raw material before pelletizing. By integrating that preprocessing stage with this grain pellet machine, operators can achieve efficient, seamless operations from raw material to final pellet.
High Efficiency and Precision Output
Built from high-quality alloy die plates and hardened rollers, this pellet maker machine is engineered for durability and minimal maintenance. The transmission system ensures stable torque, low vibration and long service life. The flat-die design allows easier die replacement and shorter downtime compared to more complex systems. As a grain pellet machine, it supports varying die diameters depending on intended application—smaller diameters for animal feed, larger for fertilizer pellets—enabling different pellet sizes with one machine. The precision construction ensures uniform pellet size, minimal fines, and good pellet durability, which in turn enhances storage stability, transportability and feeding or fertilising efficiency.
User-Friendly Design & Integration Flexibility
This pellet mills machine is designed for ease of integration into existing or new production lines. Installation is straightforward, and the control panel offers easy and user-friendly operation. Maintenance access is enhanced by quick-release covers, easy roller and die exchange, and accessible lubrication points. While upstream machines like a wood shredder or branch shredder may feed fibrous or woody material, this grain pellet machine takes finished feedstock or conditioned raw material and transforms it into final pellets with minimal fuss. For feed mills, fertilizer production plants or multi-purpose pellet lines, the SKJ3-550 flat die pellet mill provides a compact, efficient, reliable solution capable of broader use cases beyond just feed—for example organic fertiliser pelletizing, biomass pelletizing or small commercial feed operations.
Product Advantages
Multi-Industry Application and Flexibility: This pellet maker machine serves both the animal feed and fertilizer markets. As a grain pellet machine, it can produce high-quality feed pellets for poultry, livestock and aquaculture; as a pellet mill for fertilizer it can press compost, organic residues, or blended raw materials into uniform pellets. This flexibility allows producers to switch between feed, fertilizer or combined operations without changing major hardware.
Compact but Durable Industrial Design: While the SKJ3-550 is designed as a compact pellet mill, it incorporates features typically found in larger industrial machines. Hardened die and rollers, robust frame construction, vibration-minimising mounting and efficient transmission ensure long-term reliability and low downtime. Maintenance intervals are extended, wear parts are easy to replace and the system is suited for continuous operation in small to mid-scale production lines.
Efficient Output with High Pellet Quality: Users of this grain pellet machine benefit from consistent pellet size, high density and minimal fines—a critical factor for feed applications, where pellet quality influences feed conversion, palatability and storage. For fertilizer pellets, uniform size ensures easier spreading, better granule integrity and improved handling. The use of a flat die design helps ensure easier maintenance and consistent output.
About Us
Biomass Machinery is a leading manufacturer specializing in high-quality biomass processing equipment. Based in Jinan, China, the company has a strong presence in the global market, providing innovative solutions for industries involved in wood pellet production, renewable energy, and sustainable resource management. With years of experience, Biomass Machinery is dedicated to delivering cutting-edge equipment, such as pellet machines, wood log chipping machines, and related products that help businesses optimize their production processes.
The company prides itself on its commitment to quality, innovation, and customer satisfaction. Biomass Machinery’s products are used across more than 100 countries, catering to diverse industries that require efficient, sustainable solutions. Whether in large-scale biomass energy production or smaller, local enterprises, Biomass Machinery is recognized for its dependable products and exceptional after-sales service.
Contact us now to get a customized solution for your wood processing needs!
FAQ
Q1: What types of raw materials can the SKJ3-550 process?
A: The machine is designed to handle grains, meals, straw, alfalfa, and processed organic materials. For fibrous or woody materials, upstream processing via a hammer mill machine, wood shredder or branch shredder is recommended to ensure suitable size before pelletising.
Q2: What pellet size and output capacity can I expect?
A: Depending on die size and material, typical pellet diameters range from 2 mm to 8 mm. Output capacity depends on feedstock and die size—consult with the manufacturer for model specifics.
Q3: Do I need other machines like hammer mill or shredder?
A: If your raw material includes large chunks, branches or woody residue, yes—pre-treatment through a wood hammer mill or branch shredder improves pelletising efficiency and output quality.
Q4: How easy is maintenance and what parts wear fastest?
A: Maintenance is straightforward. Replaceable wear parts include die plates and rollers, bearings must be lubricated regularly, and chamber must be cleaned of dust and fines. The design simplifies access and servicing.
