Characteristics of granulator used in organic fertilizer production line to produce wet fertilizer
2022/04/01
Granulation equipment is a kind of molding machine which can make materials into specific shapes. Wet organic fertilizer granulation equipment is generally divided into: new type organic fertilizer granulator, disc granulator, drum granulator.
New type organic fertilizer granulator machine is widely used in organic fertilizer granulation. Due to its high granulation rate, stable operation, strong and durable equipment and long service life, it is selected as the ideal product by the majority of users. Working principle: using the high-speed rotating mechanical stirring force and the resulting aerodynamic force, the fine powder material can be continuously mixed, granulated, spheroidized and densified in the organic fertilizer granulation machine, so as to achieve the purpose of granulation. The particle shape is spherical, the sphericity is ≥ 0.7, the particle size is generally between 0.3-3 mm, and the granulation rate is ≥ 90%. The size of the particle diameter can be properly adjusted by the material mixing amount and the spindle speed. Generally, the lower the mixing amount, the higher the rotational speed, the smaller the particles, and vice versa.
The disc granulator is suitable for organic fertilizer and compound fertilizer. The disc angle of the pelletizing plate adopts the overall circular arc structure, and the granulation rate can reach more than 93%. The pelletizing plate is equipped with three discharge ports, which is convenient for intermittent production, greatly reduces the labor intensity and improves the labor efficiency. The reducer and motor are driven by flexible belt, which can start smoothly, slow down the impact force and improve the service life of the equipment. The main gear of the fertilizer granulation machine is quenched by high frequency, and its service life is doubled. The pelletizing plate is lined with high strength glass fiber reinforced plastic, which is corrosion-resistant and durable. This noodle has the advantages of uniform granulation, high granulation rate, stable operation, strong and durable equipment and long service life. However, due to its small output, it is generally suitable for small enterprises.
The drum granulation process adds the raw materials mixed evenly according to the formula into the rotary drum granulator quantitatively, and at the same time injects steam to complete the chemical reaction in the continuous rotation of the drum. It can also be applied to the compound fertilizer cold water granulation with supplementary water humidification. It is a relatively advanced compound fertilizer granulation equipment at present.
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