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MFP - Rotary Type Granulator
The Drum Granulator, also known as a rotary granulator, is a vital machine in the compound fertilizer industry, offering the capability for high-capacity and efficient production. It's designed with a rotating cylinder that facilitates the transformation of raw materials into granules through agglomeration wet granulation. The internal lining, made of rubber or acid-resistant stainless steel, eliminates the need for traditional scraper devices, ensuring resistance to corrosion and wear while minimizing maintenance. The motor, which can be either electric or hydraulic, provides the necessary power for rotation. Adjustable rotation speed and inclination optimize granulation quality and production capacity. The drum's design, categorized by high throughput and uniform particle sizing, makes it customizable and suitable for various fertilizer types. It is cost-effective, energy-efficient, and promotes an environmentally friendly production process, with a closed system minimizing material dispersion.
Construction Of Drum Granulators
The rotary wet granulator consists of a rotating cylinder, which is slightly slanted so as to transport materials to the next procedure. There is a rubber or plastic material inside the drum to prevent sticking and to protect the drum from wear and tear. Another important part is the motor, which can provide the power to rotate the drum. The motor can be electric or hydraulic depending on the size and type of the drum granulator.
Working Principle Of Drum Granulators
The main motor drives the belt and pulley, and then the reducer can transmit to the main shaft. The main shaft installed with an open gear meshes with a large gear fixed to the body and works in opposite directions. Material is fed in from the feeding end and goes through the interior of the drum. The structure inside the drum body turns the material into granules, which then flow out through the outlet. Continuous material feeding and the rotation of the granulator make large-scale production possible.
The main granulation method is agglomeration wet granulation. When you add a certain amount of water to the inside of a drum granulator. a chemical reaction will happen in the cylinder. With the machine rotating, the particles move in a circle and then become balls by squeezing and agglomeration.
The drum granulator uses a special rubber plate lining or acid-resistant stainless steel lining, which eliminates traditional scraper devices and achieves automatic scar removal and de-rusting. This machine has the characteristics of a high granulating rate, good appearance quality, corrosion resistance, wear resistance, low energy consumption, long service life, and convenient operation and maintenance.