2026/05/19
With the continuous upgrading of organic fertilizer production technology, the double roller extrusion granulator, with its core advantages such as room-temperature dry granulation, no drying required, and stable molding, has become a widely used key piece of equipment in the industry, providing strong support for the large-scale production of organic-inorganic compound fertilizers and bio-organic fertilizers.
As a typical dry granulation equipment, the double roller extrusion granulator features a scientifically designed structure. Its core component uses wear-resistant alloy pressure rollers, which provide stable pressure through a hydraulic system, flexibly adjustable between 3 and 20 tons according to production needs. After being forcibly fed by a horizontal screw, the material is molded in one step under the extrusion of the double rollers. No water or heating is required throughout the process, effectively avoiding the damage of functional microorganisms to high temperatures and maximizing the retention of fertilizer nutrients.
The granules produced by this equipment have high density and hardness, and are non-hygroscopic, non-pulverizing, and easy to store and transport, making them particularly suitable for the production of compound fertilizers with high nutrient content. The mold features a double-sided design, allowing it to be flipped over and reused after wear, resulting in a long service life, low replacement costs, and significantly reduced production losses for enterprises. Simultaneously, the equipment operates in a well-sealed environment, with no dust or wastewater discharge, fully meeting green production requirements.
Currently, the double roller extrusion granulator has become the preferred equipment for improving the quality and efficiency of small and medium-sized organic fertilizer plants. Its stable performance and low-cost operation advantages are driving organic fertilizer production towards higher efficiency and standardization.