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Influence Of Water Content In Extrusion Granulator On Granulation

2022-03-10

The moisture content brought by the raw material of the organic fertilizer extruder granulator affects the moisture required for granulation of the organic fertilizer extruder granulator. When the moisture content is large, the granulation process is controlled by the water balance of the system, and part of the particles must be broken (drying). ) to maintain proper moisture for re-granulation. For example, fertilizers with high solubility based on ammonium nitrate and urea only need to add a small amount of water during granulation. If the solubility of the system is 90 g/100 g solution, the water content of 1.3% by mass can form a liquid phase of 18% by volume. In order to achieve such a low water content in the granulation process, it is required to have a higher return material ratio, or to minimize the amount of water carried.

When the raw material of the organic fertilizer extrusion granulator has a small amount of liquid phase, a simple control system can be installed to adjust and control the amount of water added to the granulator. At this time, the amount of return material depends on the achieved granulation rate. This situation is usually Appears in raw fertilizers with lower dissolution. For example, for some ammonium sulfate-based fertilizers, it is usually more effective to add saturated water vapor than water, because it can condense into water and bring a lot of latent heat. For the production of granulator compound (mixed) fertilizer, at least three With more than one soluble salt, in the case of multiple components, it is difficult to determine the solubility of fertilizer combinations under granulation conditions. Because the composition of N, P and K materials is complex, they intersect with each other and form complex salts, so the general maximum solubility is not the only value.

The above is the information and trends related to extrusion granulator. If you want to know more about our company's dynamics or products, you can consult us. We also sell Dispersion Kneader, Rubber Internal Mixer, Rubber Open Mill, Two Roll Mill, Plastic Granulator and Extrusion Pelletizer.

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