Professional Fertilizer Manufacturing Equipment: Advancing Dry Granulation Processes and Granulation Technology

Professional fertilizer manufacturing equipment is the cornerstone of modern fertilizer production, with granulation technology standing as its core component. Among various granulation methods, dry granulation processes have gained widespread recognition for their energy-saving, eco-friendly advantages, becoming a pivotal direction in the upgrading of fertilizer granulation technology. These equipment and technologies work in tandem to convert processed raw materials into high-quality granular fertilizers, balancing production efficiency, product performance, and environmental sustainability, and powering the transformation of the global fertilizer industry. Dry granulation processes distinguish themselves by eliminating the need for drying and wetting agents, relying on mechanical pressure or thermal action to agglomerate dry powder materials into granules. This characteristic not only reduces energy consumption by 30%-50% compared to wet granulation but also avoids nutrient loss caused by high-temperature drying, making it ideal for heat-sensitive organic and compound fertilizers. Professional dry granulation equipment, such as double-roller extrusion granulators and flat-die pellet mills, are designed to handle diverse raw materials—from inorganic compounds like urea and phosphate rock to organic powders derived from agricultural waste compost. Key professional equipment drives the stability and efficiency of dry granulation processes. Double-roller extrusion granulators exert high pressure on raw material powders through counter-rotating rollers, compressing them into dense flakes that are then crushed and screened into uniform granules. This equipment excels in processing low-moisture (≤10%) materials, with adjustable roller pressure and granule size to meet different product requirements. For small to medium-scale production, flat-die pellet mills offer cost-effectiveness and flexibility, using rotating rollers to press materials through die holes and form cylindrical granules, suitable for organic fertilizer production by family farms and small enterprises.

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