If you’re planning to build a new fertilizer production line, one of the first questions you’ll face is which granulation technology is the right investment. If your fertilizer project focuses on small or medium granulation production capacity and you want high-quality spherical granules without investing in a large rotary drum system, a disc pan granulator is often the most practical choice.

Which Raw Materials Can a Disc Pan Granulator Process?

One of the biggest advantages of a disc pan granulator is its ability to process a wide range of powdered materials after proper preparation and moisture adjustment.

Composted Organic Fertilizer Materials

For organic fertilizer production, a disc pan granulator is widely used to granulate composted chicken manure, cow dung, pig manure, sheep manure, horse manure, mushroom residue, crop straw compost, bio-organic fertilizer, and other fermented organic materials. Because fresh manure usually contains excessive moisture, it should first undergo aerobic composting to produce mature compost with stable organic matter before entering the granulation stage.

Compound Fertilizer and Mineral Powder Materials

The machine is also suitable for compound fertilizers and mineral products, such as NPK fertilizer, organic-mineral fertilizer, rock phosphate, limestone powder, dolomite, bentonite, gypsum, and various soil conditioners. This makes it a flexible choice for both organic fertilizer plants and mineral powder granulation projects.

Adjustable Operation for Different Material Properties

Since every material has different particle size, moisture content, and flow characteristics, the disc pan granulator allows you to adjust water addition, disc inclination, and rotational speed during production. This flexibility enables one production line to manufacture multiple fertilizer products while maintaining stable granule quality.

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How Does a Disc Pan Granulator Work?

A complete disc pan granulation system combines intelligent material preparation, automatic granulation, and continuous post-processing into one efficient production line. The production process is: Automatic Batching → Mixing → Automatic Water Spraying → Disc Pan Granulation → Drying (Optional) → Cooling (Optional) → Screening → Automatic Packaging → Robot Palletizing

Production begins with an automatic batching system, where electronic weighing equipment accurately proportions different fertilizer materials according to the selected formula. The materials then enter a horizontal mixer, ensuring every ingredient is distributed evenly before granulation.

The mixed powder enters the rotating granulation disc, where an automatic spraying system continuously adds water or binder at a controlled rate. As the disc rotates, fine particles collide repeatedly and gradually grow layer by layer into spherical fertilizer granules. By adjusting the disc angle, rotational speed, and spraying volume, operators can precisely control granule size and strength throughout production. Modern disc pan granulators are typically equipped with variable-frequency drives and PLC control, allowing the feeding rate, spraying system, and disc speed to work together automatically. This ensures stable granulation conditions while reducing manual adjustments and improving product consistency.

For wet granulation production, newly formed granules are transferred automatically to a rotary dryer, where moisture is reduced to improve storage stability. A rotary cooler then lowers the granule temperature before screening. The rotary screening machine automatically separates qualified granules from oversized and undersized particles. Off-size materials are recycled directly back to the granulator, improving raw material utilization while reducing production waste. Finally, qualified fertilizer granules enter the automatic packaging line for weighing, filling, sealing, and conveying. Medium and large production lines can also integrate robot palletizers and stretch wrapping systems, creating a fully automated packaging process with minimal manual handling.

Why Do Many Fertilizer Manufacturers Choose a Disc Pan Granulator?

If you’re building a small or medium-sized fertilizer plant, a disc pan granulator offers an excellent balance between investment and granule quality.

  • Compared with a rotary drum granulator, it requires lower initial investment, occupies less workshop space, and is easier to install and maintain.

  • Compared with a double roller press granulator, it produces much rounder fertilizer particles with smoother surfaces and better appearance, making finished products more competitive in commercial markets.

  • Compared with a new type organic fertilizer granulator, the disc pan granulator provides greater flexibility for adjusting granule size and produces fertilizer with higher sphericity, which is particularly valuable for premium fertilizer products.

If your priority is producing attractive commercial fertilizer while controlling project costs, a disc pan granulator is often the most practical solution.

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Which Disc Pan Granulator Model Is Right for Your Fertilizer Project?

Our disc granulator adopts a whole circular arc structure, and the granulation rate can reach more than 93%, making it suitable for organic fertilizer, compound fertilizer, mineral fertilizer, and soil amendment granulation. you can choose the suitable machine according to your capacity.

1-3 t/h disc pan fertilizer granulation line

For a 1–3 T/H fertilizer production line, SXYZ-1800, SXYZ-2000, and SXYZ-2500 are the most commonly selected models.

These disc pan granulators feature disc diameters ranging from 1800 mm to 2500 mm, with production capacities of approximately 1–2 T/H, 1.2–1.5 T/H, and 1.5–2 T/H, respectively. Depending on your raw material properties and operating schedule, a single machine or two units operating in parallel can comfortably support a commercial production capacity of 1–3 T/H.

This configuration is well suited for livestock farms, agricultural cooperatives, and newly established organic fertilizer manufacturers that are upgrading from manure recycling to commercial fertilizer production.

3-5 t/h disc pan pelletizing fertilizer granulation line

For a 3–5 T/H fertilizer production line, you can choose SXYZ-3000 as the core granulation equipment.

disc machine for fertilizer productionround granules produced by disc pan equipment

This model uses a 3000 mm disc diameter, 450 mm pan height, 14 r/min rotation speed, and 11 kW motor power, with a capacity of about 2–4 T/H. If your raw material has good granulation performance or your project requires slightly higher output, one larger model such as SXYZ-3600 can also be considered.

In a complete 3–5 T/H line, the disc granulator is usually matched with automatic batching, horizontal mixing, rotary drying, cooling, screening, and automatic packaging equipment.

5-10 t/h disc pan granules fertilizer granulation line

For a 5–10 T/H organic fertilizer or mineral fertilizer granulation line, one SXYZ-3600 disc pan granulator can provide about 4–6 T/H capacity, while two medium-sized disc granulators can also be arranged in parallel to improve output and formula flexibility.

In short, for commercial projects, SXYZ-3000 is more suitable for 3–5 T/H production, SXYZ-3600 is better for 5–10 T/H projects, and rotary drum granulation systems are recommended for 10–20 T/H lines. This selection method helps you avoid under-sized equipment, reduce unnecessary investment, and build a granulation line that matches both current production needs and future expansion.

How Can a Disc Pan Granulator Increase Your Return on Investment?

For many fertilizer manufacturers, the disc pan granulator delivers one of the fastest returns among wet granulation technologies.

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Build a Disc Pan Granulation Solution That Fits Your Project

Every fertilizer project has different raw materials, production targets, and investment priorities. For some manufacturers, a standalone disc pan granulator is enough to upgrade existing production. For others, it becomes the core machine in a complete organic fertilizer or NPK fertilizer production line.

At YUSHUNXIN, we don’t simply supply granulators. Based on your raw materials, fertilizer formula, production capacity, factory layout, and future expansion plans, our engineering team designs the most suitable granulation process and supporting equipment. From automatic batching and intelligent granulation to drying, cooling, screening, packaging, and plant automation, we help you build a reliable fertilizer production system that delivers consistent product quality, efficient operation, and long-term profitability.

complete disc pan granulation design picture

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