Cost saving compound fertilizer granulation equipment -- double roller granulator


Double roller granulator is a new high-tech product developed by many years of experience in compound fertilizer processing equipment design and production. It is used for granulation of various organic matters after fermentation, breaking through the conventional granulation process of organic matters. Before granulation, the raw materials need not be dried and crushed, and the spherical particles can be processed by direct batching, which can save a lot of energy.
double roller granulator
The main performance characteristics of the double roller granulator are as follows

The granules produced by this fertilizer granulator are spherical with high content of organic matter, which can realize the granulation of pure organic matter. The organic particles can be inlaid and grow up with each other under a certain force. There is no need to add binder during granulation. The particles are solid and can be screened after granulation to reduce the energy consumption of drying.

The features of the double roller granulator are introduced

1) Compared with other methods, it does not need fuel oil, gas and other drying measures.
double roller granulator

2) In the fertilizer production line, there is no need to add additional binder. The common production method of compound fertilizer is steam granulation. Water vapor condenses and crystallizes between the material molecules and acts as an adhesive in the manufacturing process. But in the drying process, the water inside and on the surface of the particles must be driven out, otherwise the fertilizer is easy to stick and agglomerate in the storage process. However, dry granulation does not need additional additives, and only uses the intermolecular force of the material itself, which simplifies the process and reduces energy consumption.

3) The investment is low, because the drying process is omitted, and the return ratio is low (accounting for about 15% of the total feed amount of the extruder), the process is simple and the investment is low.

4) At present, there are more than 20 kinds of materials successfully used in extrusion granulation: ammonium nitrate, urea, ammonium chloride, calcium nitrate, potassium chloride, potassium sulfate, etc. In addition, the extrusion granulation process can flexibly change the product formula in a very short time. A set of device can produce more than 30 kinds of products.
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