The difference and advantages between disc granulator and roller extrusion granulator

 The disc granulator and the roller extrusion granulator each have their own characteristics and advantages in organic fertilizer production lines:

Disc granulator:

working principle:

The disc granulator throws raw materials into the air through a rotating disc, and during the falling process, particles are formed due to the effects of gravity and centrifugal force.

The tilt angle and rotational speed of the disc can be adjusted to control the size and yield of particles.

Applicable raw materials:

Suitable for wet and less sticky raw materials, such as livestock manure, crop straw, etc.

For dry or highly viscous raw materials, pre-treatment or adding an appropriate amount of moisture may be necessary.

Advantages:

The energy consumption during the production process is relatively low because it mainly relies on the rotation of the disk to generate power.

The equipment is easy to operate and has low maintenance costs.

It can be produced continuously to meet the needs of large-scale production.

Roll squeezing granulator:

working principle:

Apply pressure to the raw material through two rotating rollers to form particles under pressure.

The gap between the rollers can be adjusted to control the size of the particles.

Applicable raw materials:

Suitable for various raw materials, including wet materials, dry materials, fine powders, coarse particles, etc., with strong adaptability.

For raw materials with high viscosity, the granulation effect can be optimized by adjusting the process parameters.

Advantages:

The particles produced have high density and uniformity, which is beneficial for improving product quality.

The device has a compact structure and occupies a small area, making it suitable for production environments with limited space.

The size and shape of particles can be precisely controlled by adjusting the pressure and speed of the rollers.

Suggestion for selection:

If the humidity of the raw materials is moderate and there are high requirements for particle size and density, a roller extrusion granulator can be chosen.

If the humidity of the raw materials is high or there are strict restrictions on energy consumption, a disc granulator may be a more suitable choice.

When choosing a granulator for an organic fertilizer production line, factors such as raw material characteristics, production requirements, equipment costs, and maintenance should be comprehensively considered to determine the most suitable equipment type.