NPK compaction granulation
For fertilizers components (AS, KCI) and (NP, NK, PK, NPK) fertilizers, the main stages of the
process can be as follows:
- Unloading of raw materials from wagons or trucks and transferring into storage boxes.
- A preparation unit for raw materials (delumping, screening, crushing, drying).
- A weighing and mixing unit of the raw materials.
- A compaction unit transforming the powders into flakes.
- A granulation-screening unit converting the flakes into granules of the required calibrated range.
- And for some plants and in particular for the production of compacted fertilizers, a finishing unit with polishing and coating of granules for improving appearance (round shape), anticaking and reducing amount of residual fines with easier storage.
- Transferring of granules into storage boxes.
- Packing and pelletizing of finished products.
![](../img/equipment/compaction-granulation/npk/Anais.jpg)
![](../img/equipment/compaction-granulation/npk/flowsheet%203d.jpg)
Usual complete compaction-granulation plant for NPK fertilizers
![](../img/equipment/compaction-granulation/npk/flowsheet%202d.png)
![](../img/equipment/compaction-granulation/npk/flowsheet%203d%202.jpg)
![](../img/equipment/compaction-granulation/npk/Vlad%202.jpeg)
![](../img/equipment/compaction-granulation/npk/Vlad%201.jpeg)
28 Tph NPK fertilizers compaction-granulation plant
Main advantages of NPK compaction-granulation
A TECHNICAL SOLUTION
- No segregation problems.
- Less tendency for caking.
- Quick change during the production : 30 minutes.
- 2 T/h to 60 T/h : full automated plant.
A COMMERCIAL SOLUTION
- Wide spectrum of fertilizer formulas.
- Production of small quantity per formula : great flexibility.
AN ENVIRONMENTAL SOLUTION
- No pollution problem : no gas and liquid effluents.
AN ECONOMICAL SOLUTION
- Dry process: no energy for drying.
- Few corrosion problems : low maintenance cost.
- Low investment cost : neither dryer nor cooler equipment.
- High adaptability to the local market for the raw materials.
![](../img/equipment/compaction-granulation/npk/granulés.png)
![](../img/equipment/compaction-granulation/npk/sacs.jpg)
A COMPLETE RANGE OF EQUIPMENT
For this type of fertilizers plant,SAHUT-CONREUR
is able to design and manufacture/supply the following equipment:![](../img/equipment/compaction-granulation/npk/mixers.jpg)
Mixer
![](../img/equipment/compaction-granulation/npk/granulator.jpg)
Granulators
![](../img/equipment/compaction-granulation/npk/screen.jpg)
Screens
![](../img/equipment/compaction-granulation/npk/compactor.jpg)
Compactor
![](../img/equipment/compaction-granulation/npk/twin%20screw%20mixer.jpg)
Twin screw mixer
![](../img/equipment/compaction-granulation/npk/dedusting%20system.jpg)
Dedusting system
Polishing drum
![](../img/equipment/compaction-granulation/npk/Flake-breaker.png)
Flake-breaker
![](../img/equipment/compaction-granulation/npk/coating%20drum.jpg)
Coating drum
![](../img/equipment/compaction-granulation/npk/Packing%20unuit.jpg)
Packing unit
![](../img/equipment/compaction-granulation/npk/MCC.jpg)
MCC
![](../img/equipment/compaction-granulation/npk/Control-drive%20system.jpg)
Control-drive system
![](../img/equipment/compaction-granulation/npk/plaquettes%201.jpg)
![](../img/equipment/compaction-granulation/npk/plaquettes%202.jpg)
![](../img/equipment/compaction-granulation/npk/plaquettes%203.jpg)