How to Make Organo-Mineral Fertilizer from Poultry Manure & Rock Phosphate

Organo-mineral fertilizer made from poultry manure and rock phosphate powder (RP) is rapidly replacing traditional chemical fertilizers. By combining high-nitrogen poultry waste with natural mineral rock dust, fertilizer plants can produce high-margin, slow-release soil repair granules.Manufacturing high-grade organic mineral fertilizer requires specialized fertilizer machinery to handle high moisture, heavy mineral dust, and precise nutrient blending. Here is the step-by-step equipment guide and industrial solution.

Why Process Poultry Waste with Rock Phosphate Powder?

• Phosphorus Activation: Thermophilic bacteria during aerobic fermentation generate organic acids that solubilize insoluble rock phosphate dust into bioavailable P2O5.

• Balanced N-P-K Ratios: Blending poultry manure compost with mineral rock dust creates a complete bio-mineral plant food.

• Higher Profit Margins: Converts low-value animal waste and raw mineral dust into premium commercial soil remediation pellets.

Complete Processing Workflow & Fertilizer Machinery Selection

[Screw Press Dewatering] ➔ [Aerobic Compost Turning] ➔ [Crushing & Batching]

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[Automatic Bagging Scale] ◄── [Drying, Cooling & Screening] ◄── [Stirring-Drum Granulator]

1. Dewatering & Aerobic Fermentation Solutions

Raw chicken manure contains 60%--70% moisture. A screw press solid-liquid separator reduces moisture below $50%$. The dewatered manure is blended with rock phosphate powder (20%--30%) and turned using a crawler type compost windrow turner or wheel type compost turner to drive high-temperature fermentation, destroy pathogens, and unleash organic acids.

2. Precision Crushing & Dynamic Batching

Fermented compost lumps are pulverized using a non-clogging semi-wet material crusher or vertical chain crusher to particle sizes under 0.5 mm. The fine powder passes into an automatic multi-hopper batching machine and a twin-shaft horizontal mixer for uniform secondary mineral enrichment.

3. High-Efficiency Organic-Mineral Granulation

To pelletize dense rock dust with light manure fiber, plants use a new type wet stirring-drum hybrid granulator or a double roller press extrusion granulator. High-speed mechanical shear forces bind mineral powders and organic waste into dense 2.0--4.0 mm round spherical granules.

4. Rotary Thermal Drying, Cooling & Screening

Moist pellets enter a rotary drum dryer to reduce moisture below 13%, followed by a rotary drum cooler for thermal stabilization. A multi-deck rotary vibrating screen machine separates on-spec pellets, while undersized dust and crushed oversize particles are routed back via a bucket elevator for 100% material recycling.

5. Anti-Caking Coating & Automated Bagging

Finished granules enter a rotary drum coating machine to receive protective anti-caking oil or bio-agents. Finally, an automatic valve-mouth packaging machine or open-mouth bagging scale weighs, fills, and heat-seals bags for distribution.

Core Equipment Specifications & Technical Matrix

Frequently Asked Questions

Q: What is the optimal granulator machine for mineral powder and poultry manure mixtures?

A: A wet stirring-drum hybrid granulator is best. Its internal high-speed stirring pins combine with rotary drum tumbling to effortlessly bind heavy rock phosphate dust with fibrous poultry manure into uniform round pellets.

Q: What is the ideal blending ratio of poultry manure to rock phosphate?

A: The recommended ratio is 70%--80% composted poultry manure to 20%--30% rock phosphate powder by dry weight to ensure maximum phosphorus solubilization and optimal pellet strength.

Get Your Custom Organo-Mineral Line Proposal

Looking to set up a commercial organo-mineral fertilizer production line? We supply complete turn-key plant solutions, including manure dewatering machines, compost turners, wet granulators, rotary dryers, and automatic packing scales.