The Principle and Applicable Materials of Roller Extrusion pellet machine
The roller extrusion pellet machine is a device that employs the principle of dual-roller extrusion for granulation. Below is an introduction to its principle and the materials it can extrude:

Principle of Operation

The roller extrusion pellet machine relies on two rollers rotating in opposite directions to achieve material extrusion and granulation. Here's a brief overview of its workflow:

1. Material Feeding: The material is first conveyed to the extrusion area between the rollers. The pellet machine is usually equipped with a feeding device to ensure even material entry into the roller gap.
2. Extrusion Granulation: The roller surfaces often have specific shapes and textures to influence the granulation effect. The rotational speed and direction of the two rollers are meticulously designed to ensure even pressure on the material. Under strong extrusion force, which can be adjusted according to material characteristics and desired particle size, the material gradually forms into granules. Simultaneously, during extrusion, the material's internal structure changes, enhancing the stability of the granules.
3. Particle Screening: After formation, the particles undergo screening to remove any that do not meet the requirements. The screened, qualified particles possess certain strength and shape characteristics.

Additionally, the pellet machine's power system provides sufficient torque for roller rotation, while the control system precisely regulates various parameters to ensure stability during the granulation process.

Applicable Materials

The roller extrusion pellet machine has a wide range of applications and can be used to extrude various types of materials, including but not limited to:

1. Fertilizers: Organic fertilizers, compound fertilizers, ammonium chloride, ammonium sulfate, etc.
2. Inorganic Salts: Graphite, inorganic salts, strontium carbonate, white carbon black, etc.
3. Chemicals: Pesticides, oxides, detergents, catalysts, etc.
4. Industrial Dusts: Such as foundry dust, lead, zinc, aluminum dust, converter dust, filter dust, grinding dust, etc.
5. Others: Pigments, coke, coke powder, coke fines, activated carbon, coal powder, carbon black, etc.

Characteristics and Advantages

1. Advanced Technology: The equipment is reasonably designed, compact in structure, novel and practical, with low energy consumption.
2. Easy Operation: It adopts a non-drying, room-temperature process, with products formed in one rolling operation. The process flow is brief.
3. Strong Adaptability: It has large operational flexibility and a wide application range. The extrusion force can be adjusted through hydraulic pressure.
4. High-Quality Granules: The granules have high strength and bulk density, and the product quality meets relevant technical specifications.

In summary, with its unique principle of operation and wide range of applications, the roller extrusion pellet machine plays an important role in various fields such as chemicals and agriculture.