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For NPK fertilizer production, Most manufacturers tend to make NPK powder into granules. In this process, it is necessary to purchase a suitable NPK fertilizer granulator. But, How to choose the ideal pellet mill for your NPK fertilizer production plan? Como fabricante profesional de maquinaria para fertilizantes, YUSHUNXIN recommends you consider three aspects: scale, cost and material. If you have other requirements, You can contact us immediately for a customized solution.
Learn moreSummarizing our customers' feedback, There are two types of popular NPK fertilizer granulators: disc granulator and rotary drum granulation machine. What is the difference between them? The most obvious difference is that they are commonly used for different scales. For example:
If you only plan to start small scale NPK granule production, We recommend you choose the disc granulator. This can produce between 1 y 6 tons of NPK granules per hour. Besides, Its granulation rate can exceed the 93%. That is to say, when using the same amounts of N, P and K to prepare compound fertilizer granules, Disc granulator can help you granulate more chemical material, reducing the need to re-process materials and facilitating efficient small-scale production.
For those who want to produce NPK granules on a large scale, the rotary drum granulation machine it is the best option. Por un lado, It has a greater capacity that can reach up to 30 t/h, allowing large-scale granulation to be completed more quickly. On the other hand, This machine is designed with rubber coating, iron angles and cleaning holes, which significantly reduces the possibility of sticking on walls. Therefore, The drum granulator can withstand the erosion of large amounts of chemical materials.
Besides, when choosing an NPK fertilizer granulator, Cost is an aspect you should consider.
En general, If you plan to buy a disc granulator for your NPK production line, must prepare between $3,500 y $16,000. For a drum granulation machine, the price varies between $7,200 y $69,000, depending on capacity and design for NPK granules manufacturing. As a factory of origin in the manufacturing of industrial fertilizer equipment, YUSHUNXIN will offer you favorable price.
You can also choose our compactador de rodillos for NPK pelletizing, whose price is usually between $3,000 y $12,000. Although it may seem more expensive than the disc granulator, if you want to set up a low cost NPK production line, roller compactor granulation system is your best choice, with a total cost of $25,000-$150,000. This is because it uses the dry granulation method, which employs extrusion force between two rollers to convert NPK powder into granules, almost completely eliminating the need for water, and therefore avoids drying or cooling costs.
To improve the quality of your NPK granules, We recommend using a sifter that classifies the granules into small, of required size and large, sending the qualified granules to the next step and the non-compliant ones to re-process. This significantly improves the purity of the final granules..
If you use a wet granulator (disc or drum granulator), a dryer is necessary to remove excess water, reducing humidity to less than 10%. Therefore, Using rotary dryer in NPK wet granulation process can help you produce fertilizers that are more convenient for transportation and storage.
NPK fertilizer pellets after drying, It is recommended to use rotary cooling equipment. Because? NPK fertilizer drying mainly uses high temperatures. This causes the fertilizer discharge temperature to reach between 30°C and 40°C. Therefore, not suitable for direct packaging. En ese caso, NPK rotary chiller can help quickly reduce the temperature to a suitable level.
Finally, we can provide you with a automatic fertilizer bagging system. Can pack final NPK fertilizer pellets in 10kg bags, 25 kg, 50 kg, etc. Then, can deliver fertilizer to its corresponding scale customers in a simpler way.
En general, Our NPK fertilizer granulators can fully meet your NPK pellet production needs. 1 a 10 mm. However, Each pellet equipment has different granule size regulation methods.
Moisture content adjustment: The higher the moisture content, larger size; at lower moisture content, smaller size. Because? The high water content facilitates the adhesion of the materials and their combination with other materials, facilitating the formation of larger fertilizer granules.
Changing the disc angle: The greater the slope, smaller size; at lower slope, larger size. However, It is advisable to keep the disc angle between 35° and 55°.
On the other hand, You can also regulate the size of NPK pellets by adjusting the moisture content. On the other hand, can be finished by modifying the drum rotation speed. At higher speed, smaller size; the smallest, mayor.
However, in the double roller extrusion granulation process, NPK granule size is only related to the size of the roller spheres. The smaller the size of the sphere, smaller pellet size; the larger the size of the sphere, larger pellet size.
As a professional fertilizer equipment manufacturer, We generally use Q235B boiler steel, high resistance to erosion, for our NPK fertilizer granulators. Therefore, are widely used in the processing of various N materials, P y K, as urea, ammonium sulfate, DAP, MOP, etc.
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YUSHUNXIN, a subsidiary of the YOTO Group, offers comprehensive solutions (turnkey) and equipment for the manufacture of organic fertilizers, compounds and type BB, management of animal manure and mineral waste. We offer a comprehensive service, from machinery design and manufacturing to installation and training.
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