Roll Extrusion Granulator for NPK Fertilizer Production Line with 9-10t/h Capacity and Oval Shape Granules via One-time Extrusion Molding
Extrusion Granulator Machine , Granules Fertilizer Production Line
Roll extrusion granulator fertilizer production line No need for drying One-time extrusion molding
Introduction of NPK Fertilizer Production Line
NPK Compound fertilizer production line is widely applied to produce compound fertilizer and the capacity ranges from 5000-200,000 tons/year. It can granulate NPK, NP, ANP, DAP, MAP, CAN, SSP and other materials into compound fertilizer particles in one processing line.
According to the many years of production experience, the DZJ series roll press granulator is a new type of equipment developed on the basis of the original double roll extrusion granulation.
Working Process Of NPK Compound Fertilizer Making Production Line
It adopts the design solution of extrusion sliding model,the raw materials pass through double roller,after that,enter into scattering room, come out as granulation, a sieving was mounted at the bottom of the machine, which is customized according to client’s requirement, last, sieve out the granules which is qualified, the rest of materials return to mixer and be re-granulated.
Raw Material For NPK Compound Fertilizer Making Production Line
1) Agricultural waste: straw, dregs of beans, cotton dregs, rice bran,etc.
2) Animal manure: mixture of poultry litter (PL) and animal waste(AW),such as, Slaughterhouse Waste, F ish Market, Urine and dung of cattle, Pigs, Sheep,C hicken, Ducks, Geese, Goat.etc.
3) Industrial waste: wine lees, vinegar residue, manioc waste, sugar scum, furfural residue etc.
4) Home scrap: food waste, bones, the roots and leaves of vegetables, etc.
5) Sludge: the sludge of the river, the sewer, etc.
Main Equipments Of NPK Compound Fertilizer Making Production Line
| No. | Processes | Machines | Function of machines |
| 1 | Batching process | Automatic batching machine | Ratio raw materials by formula |
| 2 | Grinding process | Grinder | Grind granules to powder |
| 3 | Mixing process | Mixer | Mix powder evenly, If necessary, add water, or other micro-elements |
| 4 | Granulating process | Feeding machine | Feed mixed powder into granulator evenly |
| Granulator | Make mixed powder into fertilizer granules | ||
| 5 | Screening process | Screener | Screen out required size from fertilizer granules |
| 6 | Coating process | Coating machine | Coat color, anti-blocking agent, microelements etc on fertilizer granules |
| 7 | Packaging process | Air compressor | Generate power to packaging machine |
| Packaging machine | Package fertilizer granules into bags |
Granules Strength and Appearance In NPK Compound Fertilizer Making Production Line
Unit crushed strength : 10-25N
Shape of finished products : oval, irregular, wheat shaped, etc., can also be customized according to customer requirements.
Material moisture requirement : not more than 10%
The rate of ball formation : 95%
Output : 1-4t/h ( can combine multiple granulators work together to increase output, see below
technical process chart).
Granule size : 3-8mm (popular market granule diameter: 2.8-4mm)
Features of NPK Fertilizer Production Line
1. roller material : Stainless steel wear-resisting material
2. maintenance convenience
3. into ball in a one process,into ball rate more than 85-95%
4. raw materials' moisture : 5%-10%
5. Double shaft power output, each shaft through coupling to drive its roller to do synchronous work in opposite direction, granule forming is better and the strength is higher.
6. The design of contraposition adjustment of ball socket is simple and convenient for the client to adjust by themselves. Provide the drawing of roller adjustment and operation steps.
7. All machines before leave the factory, had carried out the test and trial production by professional workers.
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