roller press granulator npk compound fertilizer line

■   Raw Material and Main Equipments

Raw Material For NPK Compound Fertilizer Making Production Line

 

Compound fertilizer is the fertilizer containing two or all three of the three basic plant nutrients—Nitrogen, Phosphorus, and Potassium, as well as microelements, such as B, Mn, Cu, Zn, and Mo. The raw material can be powder or bulk, mostly are as below:

 

Nitrogen		Phosphorus	Potassium
Calcium nitrate	urea	Single superphosphate	Kainit
Ammonium bicarbonate	Ammonium chloride	Rock phosphate	Potassium chloride
Nitrate of soda	Ammonium sulphate nitrate	Dicalcium phosphate	Potassium sulphate
Ammonium sulphate	Ammonium nitrate	Triple superphosphate	Potassium nitrate

 

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