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NPK Compound Fertilizer Production Line


The NPK fertilizer production line is a specialized system for manufacturing NPK fertilizers, which are fertilizers containing essential nutrients: nitrogen (N), phosphorus (P), and potassium (K). This production line combines various processes like raw material preparation, mixing, granulation, drying, and cooling to produce high-quality NPK fertilizers. It ensures efficient nutrient distribution and balanced formulations, promoting healthy plant growth and improved crop yields. The NPK fertilizer production line offers a comprehensive solution for users seeking a reliable and effective method to produce customized NPK fertilizers with optimal nutrient content.

Raw Materials for NPK Fertilizer Production Line

  • Nitrogen source: This can be in the form of ammonium nitrate, ammonium sulfate, urea, or other nitrogen-rich compounds.

  • Phosphorus source: Common phosphorus sources include single superphosphate (SSP), triple superphosphate (TSP), diammonium phosphate (DAP), or monoammonium phosphate (MAP).

  • Potassium source: Potassium can be obtained from potassium chloride (KCl), potassium sulfate (K2SO4), or other potassium-containing compounds.

  • Secondary nutrients: Depending on the specific formulation, additional secondary nutrients like calcium (Ca), magnesium (Mg), and sulfur (S) may be included. These can be sourced from calcium carbonate, dolomite, gypsum, or other suitable compounds.

  • Micronutrients: Trace elements like iron (Fe), manganese (Mn), zinc (Zn), copper (Cu), boron (B), and molybdenum (Mo) are often added as micronutrients. These can be sourced from chelated forms or specific micronutrient compounds.

NPK Fertilizer Production Equipment

  • Raw material storage and handling equipment
  • Crushing equipment
  • Mixing equipment
  • Granulation equipment
  • Drying equipment
  • Cooling equipment
  • Screening equipment
  • Coating equipment (optional)
  • Packaging equipment

These equipment types are utilized to handle and process raw materials, mix them, convert them into granules, dry and cool them, screen for uniformity, optionally apply coatings, and finally package the NPK fertilizer for storage and distribution.

NPK Fertilizer Production Process


  1. Raw material preparation: The nitrogen, phosphorus, and potassium sources, along with any secondary nutrients and micronutrients, are obtained and stored.

  2. Mixing: The raw materials are accurately measured and mixed together in the desired proportions. This ensures a balanced nutrient composition in the final fertilizer product.

  3. Granulation: The mixed materials are fed into a granulator, where they undergo a granulation process. Granulation converts the mixed materials into small granules, which are easier to handle, transport, and apply.

  4. Drying: The freshly granulated fertilizer is typically high in moisture content. It needs to be dried to reduce the moisture and stabilize the granules. Drying can be done using a rotary dryer or other drying equipment.

  5. Cooling: The dried fertilizer is then cooled to ambient temperature. This helps prevent moisture reabsorption and ensures the stability of the granules.

  6. Screening: The cooled fertilizer granules are screened to remove any oversized or undersized particles. This step ensures uniform particle size and quality.

  7. Coating (optional): In some cases, a coating may be applied to the granules to provide controlled-release properties or improve their physical characteristics. Coating can be done using coating equipment.

  8. Packaging: The final NPK fertilizer granules are packaged into bags, sacks, or other suitable containers for storage and distribution. Proper packaging ensures the product’s quality is maintained during transportation and storage.

NPK Fertilizer Production Line Price

The price of an NPK fertilizer production line can vary significantly based on several factors. These factors include the production capacity, the complexity of the production line, the quality and specifications of the equipment, and the geographic location.

As a result, it is challenging to provide an exact price without knowing specific details about the production requirements. It is recommended to contact fertilizer production line manufacturers or suppliers to get accurate pricing information based on your specific needs and preferences.

Additionally, it is important to consider factors such as the reputation and reliability of the manufacturer, the after-sales service provided, and any additional costs associated with installation, training, and maintenance when assessing the overall cost of an project.

NPK Fertilizer Production Line Working Video

NPK Fertilizer Production Line is on sale! We can provide you with fertilizer production guidelines and guidance on how to carry out fertilizer production work. At present, our fertilizer Production Line has preferential policies in many regions around the world. Please contact us as soon as possible.


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