MingChuan Machinery fertilizer production knowladge How to convert pig manure to granulates fertilizers-fertilizer production line

How to convert pig manure to granulates fertilizers-fertilizer production line

Pig manure, a valuable organic resource rich in nutrients, can be effectively converted into granulated fertilizers through a structured production process. This guide outlines the detailed steps involved in transforming pig manure into high-quality granulated fertilizers suitable for agricultural use.

Step 1: Collection and Preparation

1.1 Collection:

  • Collect pig manure from farms or animal husbandry facilities. Ensure a consistent supply to maintain production efficiency.

1.2 Pre-treatment:

  • Remove large debris such as straw and rocks.
  • Shred or grind the manure to achieve a uniform consistency, which aids in subsequent processing.
Vertical compost crusher

Shred or grind the manure to achieve a uniform consistency, which aids in subsequent processing

Step 2: Mixing and Fermentation

2.1 Mixing:

  • Combine shredded pig manure with other organic materials such as crop residues or green waste (if necessary) to achieve a balanced nutrient composition.
  • Aim for a C(Carbon to Nitrogen) ratio suitable for microbial activity and decomposition.
Double shaft blade mixer

Combine shredded pig manure with other organic materials such as crop residues or green waste (if necessary) to achieve a balanced nutrient composition.

2.2 Fermentation:

  • Transfer the mixed materials to a fermentation area or a composting vessel.
  • Maintain optimal conditions (moisture, aeration, and temperature around 50-60°C) to promote microbial activity and accelerate decomposition.
  • Turn the pile periodically to ensure even fermentation and breakdown of organic matter.
fermentation tanks
COMPOSTING VESSEL
fermentation area

Step 3: Drying and Crushing

3.1 Drying:

  • Once fermentation is complete (typically 3-4 weeks), spread the material evenly for drying under sunlight or using a mechanical dryer.
  • Reduce moisture content to around 20-30% to facilitate the granulation process.
rotary Drum fertilizer drying machine
rotary Drum fertilizer drying machine
rotary Drum fertilizer drying machine
rotary Drum fertilizer drying machine

3.2 Crushing:

  • After drying, crush the fermented material into smaller particles using a crusher or grinder.
  • Achieve a particle size suitable for the granulation process (often below 2 mm).
Double stage hammer crusher
Double stage hammer crusher

Step 4: Granulation

4.1 Mixing and Granulation:

  • Mix the crushed material with binders and other necessary additives in a mixer to enhance nutrient content and improve granule integrity.
  • Transfer the mixture to a granulator machine equipped with a suitable die and roller system.

4.2 Granulation Process:

  • Extrude the mixture through the die under pressure to form granules of uniform size and shape.
  • Adjust the granulator settings (e.g., roller pressure, feed rate) to optimize granule formation.
Organic Fertilizer Production Machine
Disc Pan Granulator
stirring teeth granulator
stirring teeth granulator
Double roller Extrusion granulator
Double roller Extrusion granulator

Step 5: Drying and Cooling

5.1 Drying:

  • Dry the freshly formed granules in a rotary dryer or fluidized bed dryer to reduce moisture content to a desired level (typically below 10%).

5.2 Cooling:

  • Allow the dried granules to cool gradually to room temperature in a cooling drum or conveyor.
Rotary Drying Machines
Rotary Drying Machines
fertilizer Rotary cooling machine
Rotary cooling machine

Step 6: Screening and Packaging

6.1 Screening:

  • Screen the cooled granules to remove oversized or undersized particles, ensuring uniformity in size distribution.

6.2 Packaging:

  • Package the screened granulated fertilizers into bags or bulk containers according to market requirements.
  • Seal the packages to preserve product quality and prevent moisture absorption.
Tromeling Machine/Rotary Drum Screening machine
Tromeling Machine/Rotary Drum Screening machine
Single(Double)Bucket Automatic Packing Scale
Single(Double)Bucket Automatic Packing Scale

Conclusion

Converting pig manure into granulated fertilizers involves a series of well-defined steps, from initial collection and preparation to final packaging. Each stage plays a crucial role in ensuring the quality, nutrient content, and effectiveness of the end product. By following this comprehensive guide, producers can efficiently utilize pig manure to create valuable fertilizers that contribute to sustainable agriculture and environmental stewardship.

MingChuan Fertilizer MachineryHeNan MingChuan Machinery Equipment CO.,LTD

_local:ZhuoYang Science park, Luoyang city, Henan province China
phone:+86 13598164311
accept-emailmcmjon@mcmachinery.de
factory-buildingwww.mcmachinery.de 
Jon Zhang
Jon Zhang
Emily Wang
Emily Wang
Kevin Yang
Kevin Yang

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