Efficient Dry Granulation: Roller Compactor Granulator for Biofertilizer Making

In modern biofertilizer manufacturing, the roller compactor granulator has become one of the most practical and energy-efficient solutions for transforming fine powder materials into dense, uniform granules. Also known as a double roller granulator or dry granulation press, this machine is widely used in organic and bio NPK fertilizer production due to its simple structure, low energy consumption, and stable granule strength.

How the Roller Compaction Process Works

Unlike traditional wet granulation methods, the roller compactor granulation process operates without adding water or binders. The powdered biofertilizer materials are compressed directly between two counter-rotating rolls under high pressure.
These rolls form sheets or flakes, which are then crushed and screened into uniform granules.

This dry granulation method is especially suitable for moisture-sensitive or thermally unstable biological materials. It helps preserve the microbial activity of beneficial bacteria commonly added to biofertilizer formulations.

roller compactor granulator

Advantages of Using a Roller Type Granulator in Biofertilizer Production

A twin-roll fertilizer press offers multiple benefits compared to drum or pan granulators:

No drying required: The entire process avoids heating or drying, reducing production cost.

High granule strength: Compression ensures dense and durable particles.

Compact design: A compaction granulating machine occupies minimal floor space, ideal for both small and medium production lines.

Flexible capacity: Easy to scale according to production needs.

Environment-friendly: Reduced dust emission and no wastewater generation.

For biofertilizer manufacturers seeking a low-cost and efficient solution, a dry-type granulator provides an excellent balance between investment and output quality.

Applications Across Biofertilizer Plants

This granulation equipment can handle a variety of materials—such as fermented organic matter, composted manure, and bio NPK blends.
Whether in a new biofertilizer production project or a plant upgrade, integrating a roller compactor granulator helps standardize granule size, improve flowability, and enhance nutrient distribution.

In one of our recent biofertilizer projects for customers in Vietnam, the use of a dry roller granulator greatly improved production stability and product uniformity. The operator was able to achieve consistent granule size without adjusting moisture content, which simplified both operation and storage.

A Reliable Choice for Sustainable Fertilizer Manufacturing

With its low maintenance requirements and durable mechanical structure, the roller compactor granulator continues to be a preferred option for modern fertilizer factories pursuing sustainable, energy-saving production methods. Click here to get more! 

As global demand for bio-based fertilizers grows, adopting dry granulation technology will remain a key step for efficient and eco-friendly fertilizer processing.  Welcome to visit: https://www.biofertilizerproduction.com/product/roller-compactor-granulator-for-bio-fertilizer-manufacturing/