Double roller granulator is a new technology of dry way granulation for npk feritlizer production, it is now very popular in market and well accepted by customers. today, our malaysia customer order a 8 ton/hr npk fertilizer production line, it use double roller granulator to produce npk fertilizer granules, the granules is 4-5mm oval shape. after customer arrive at our factory, firslty we showed them around our advanced machining equipment, and then we see the npk fertilizer machines, like automatic batch machine, double roller granulator, mixer and vibrating screen machine. the customer is very glad with our fertilizer machine.
after inspect the machines, we come to meeting room and talked about the contract details and the production process, the npk fertilizer production process is very advanced, firstly, the raw materials will be weighed and batched according to recipe, then the premix will go to the double shaft mixer for even mixing, and then the mixed materials will go to double roller granulator for granulation, after granulation, the granules will go through the vibrating screen to classify the desired product, the unqualified product will go back to to granulator for granulation again, and the qulified product go to automatic packing machine into bags for storage.