Ring die granulator: Working principle and core features in organic fertilizer production lines

In modern organic fertilizer production, the ring die granulator is a key piece of equipment for fertilizer granulation, thanks to its unique working principle and outstanding features.

Working Principle

The ring die granulator works on the principle of mechanical extrusion molding. Its main parts include the ring die, press rollers, and a drive system. During operation, pre-processed organic material is fed into the granulation chamber. Under the strong squeezing force of the high-speed rotating ring die and press rollers, the material is forced through holes in the ring die, forming uniform cylindrical strands. A cutter then slices these strands into pellets of the desired length, completing the granulation process.

Core Features

1.Highly Efficient Shaping:Uses a high-strength alloy steel ring die that withstands massive pressure, ensuring dense pellet formation – especially good for high-fiber organic materials.

2.Excellent Pellet Quality:Produces fertilizer pellets that are dense, strong, and smooth-surfaced, significantly minimizing breakage during transport.

3.Wide Adaptability:By changing the ring die (usually with hole sizes from 2-8mm), it can produce various sizes of organic fertilizer pellets to meet different crop needs.

4.Low Energy Consumption:Uses 20%-30% less energy per unit compared to other granulation methods. It also works without binders, enabling truly green production.

5.Stable, Reliable and Durable:Key components undergo special heat treatment for high wear resistance, enabling long continuous operation and low maintenance costs.

Application Advantages

The ring die granulator is particularly well-suited for granulating organic waste like livestock manure, straw, and sludge. The equipment is highly automated and integrates smoothly with upstream and downstream processes to form a complete organic fertilizer production line.

In short, understanding how the ring die granulator works and its key features helps producers choose the right granulation equipment for their specific needs.