Гранатор NPK

What Are The Raw Materials Suitable for NPK Fertilizer Granulator?

Загальноприйнятий, NPK fertilizer contains at least two or three nutrients (nitrogen, phosphorus and potassium). It has the advantages of high nutrient content, small side effect and good physical properties.

Raw materials for NPK fertilizer production are mainly divided into three categories, including some fillers like clay.

  1. Nitrogen fertilizers: ammonium chloride, ammonium sulfate, сечовина, calcium nitrate, тощо.
  2. Potassium fertilizers: хлорид калію, сульфат калію, plant ash, тощо.
  3. Potassium fertilizers: (heavy) calcium superphosphate, calcium-magnesium phosphate, phosphorite powder, тощо.
Materials with NPK Elements

Топ 2 Granulation Techniques for NPK Fertilizer

NPK compound fertilizer granulation technology can be divided into wet і dry granulation. The distinction between them is whether or not the liquid solution is used. Dry granulation does not require the use of liquid solutions such as water or binders, whereas мокра грануляція must add liquid binders to the powder mixture.

Dry Granulation — Extrusion Granulation Technology

Подвійний ролик гранулятор

Подвійний ролик гранулятор

Due to the production of NPK fertilizer without water and binders, the traditional dry granulation technology is extrusion granulation. In the extrusion granulation process, high pressure makes solid materials polymerize into powder and squeeze between rollers to make fertilizer granules.

All finished fertilizer pellets do not require drying and cooling and can be packaged directly. As a result, the dry granulation method and associated equipment make up a small production line capable of forming a continuous, mechanized, and automated production with a certain capacity.

Our plant designs Подвійний валик екструзійного гранулятора which suits for producing NPK Fertilizer granules.

Wet Granulation

Compared to dry granulation, the pellets processed by wet granulation with high moisture content, so you need subsequent handling of drying, cooling and solidification. The equipment used for the wet granulation process are Ротаційний барабанний гранулятор і Гранлятор дисків.

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