Rotary Type Drum Granulator Machine With Ball Shape For Compound Fertilizer
Introduction of drum granulator
The rotary drum granulator is a granulating machine for making materials into a specific shape. The main work principle is pelleted by wet method. By adding a certain amount of water or steam into the materials, the materials play full chemical reaction after being humidified. Under certain liquid phase conditions, extrusion pressure is generated by the drum rotating and the materials agglomerated into balls under this pressure. The drum of this machine is lined with special rubber sheet or acid-resistant stainless, which can automatically prevent materials from sticking to the drum wall without traditional scraper device. There is no waste discharge in the production process. It has the advantages of high yield, corrosion resistance and wear resistance.
Working Principles of Rotary Drum Granulator:
Raw materials to be granulated can be steam, gaseous ammonia, phosphoric acid, ammoniacal solution, ammonium phosphate slurry, and triple superphosphate slurry. After these solid fertilizer particles enter into the rotary drum, they will make reciprocating movement under functions of gravity, centrifugal force, and friction force between fertilizers. With the rotary movement of the drum, produced materials spray onto the surface of granulation nucleus. Then the coating layers become thicker and thicker until produced materials are granulated into required dimensions. Finally, those obtained products are spilled out from the discharging hole.
As the one of the key equipments in fertilizer industry, rotary drum granulator is applicable to cold, heat, and guniting and ammoniated granulation and big scale fertilizer production of high, medium and low concentration
The cylinder body adopts special stainless steel or rubber plate lining structure
It can remove scar and peel burl automatically.
Characteristics of rotary drum granulator
Innovate technology, and improved structure; the tube uses special rubber sheet lining or acid resistant stainless steel liner, realizing automatic removal of scar, deoma.
High wear resistance, convenient maintenance, high ball strength, good appearance, corrosion resistance, wear resistance, low energy consumption, long service life, convenient operation and maintenance.
Reasonable layout, advanced technology, small power, no three wastes discharge, stable operation, convenient maintenance.
High balling rate; the drying efficiency is high; the balling rate can reach 70%; there is a small amount of returning material, the size of returning material is small and can be regranulated. Steam heating to raise the material temperature.
Parameter of rotary drum granulator
| Model | ZG1.8*7 |
| Power | 15kw |
| Capacity | 8-10 t/h |
| Dimension | 8.3*3.5*3.3m |
Picture of rotary drum granulator
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Rotary Type Drum Granulator Machine With Ball Shape For Compound Fertilizer Images
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