Are you looking for a granulator for large scale fertilizer production? Do you want to prepare large scale fertilizer pellets with low energy consumption? Rotary drum granulator can fully meet your requirements. It adopts wet granulation method, which uses liquid as binders to enhance the cohesive force between materials to turn fertilizer powder into granules. So it can help you make quality fertilizer. In addition, in order to produce fertilizer granules more smoothly, we especially upgrade its inside designs of reducing the possibility of wall sticking and improving the efficiency of granulation. Therefore, it can be used not only in compound fertilizer manufacturing but also organic fertilizer making. What’s more, combing with other fertilizer machines, it can help you set up a fertilizer granulation plant to make more profits!

What can rotary drum granulator do for your compound fertilizer production?

Rotary drum pelletizer is widely used in compound fertilizer making, especially NPK fertilizer manufacturing. Why? What can it do for your fertilizer pellet production?

Help you finish large scale fertilizer granulation quickly

Both pan pellet equipment and double roller granulator are more suitable for small scale fertilizer granulation. Then how to make chemical powder into pellet in a large scale? Using rotary drum granulation machine is an ideal choice. Besides models for small scale granulation, we also design various types of drum granulators for mass production of compound fertilizer granules. For example, when you want to produce 8-15 tons of pellets per hour, we can provide you with SXZG-2080. Moreover, for larger scale fertilizer pellets manufacturing, you can choose SXZGZ-3210, which has capacity of 15-30 t/h.

Meet your requirement of produce 3-6 mm NPK pellets

Can drum fertilizer pelletizer produce particles with a diameter you need? Of course. Usually, this pellet making machine can make chemical powder into pellets within 3-6 mm. Which is commonly used in agriculture. Then how to regulate the size of granular fertilizer during rotary granulation? Adjust moisture content or control the rotating speed of the drum. The higher the water content, the larger the size; the lower the water content, the smaller the size. The higher the rotating speed, the smaller the size; the lower the rotating speed, the larger the size.

Reduce your energy consumption of fertilizer manufacturing

How about the energy consumption of rotary drum granulation? There is no doubt that it is a low energy consumption fertilizer granulation machine. The power of our largest drum granulator, which has an output of 15-30 t/h, is only 37 kw.

Main Technical Parameters of Rotary Drum Granulator

Model Power (kw) Diameter (mm) Length (mm) Installation Angle Rotary Speed (r/min) Capacity (t/h)
SXZGZ-1240 5.5 1200 4000 2-5° 17 1-3
SXZGZ-1560 11 1500 6000 2-5° 17.5 3-5
SXZGZ-1870 15 1800 7000 2-5° 11.5 5-8
SXZGZ-2080 18.5 2000 8000 2-5° 11 8-15
SXZGZ-3210 37 3200 10000 2-5° 9.5 15-30

How does rotary drum rotary pelletizer work to granulate your fertilizer powder?

As mentioned above, rotary drum granulator employs the wet granulation method to turn fertilizer powder into granules. In the process of NPK granulation, it makes use of injected steam to make the base fertilizer fully react in a chemical way after being wet in the drum body. Then with the driving of the main motor, the large gear on the drum body will mesh with the small gear. In this way, the drum will rotate at a certain speed to make material powder combine with each other and form into granules.

Through this process, whether you want to start large scale production of cold or hot granulation. Whether you plan to prepare high, medium or low concentration compound fertilizer particles. Rotary drum pelletizer can meet your needs.

3 Designs of drum granulator make you produce better fertilizer granules

In the process of large scale fertilizer granulation, there is an item most fertilizer manufacturers focus on. Because of wet granulation, the materials are easy to stick to the wall. This will affect the granulation efficiency of rotary drum fertilizer pellet production and cause serious erosion to the granulator. For this, we especially upgrade the designs as follows:

Rubber lining

To make granulation equipment withstand the erosion of large scale compound fertilizer processing, one best way is improving the corrosion resistance. On the basis of using Q235B boiler steel to produce the rotary drum pelletizer, we equipment it with a rubber lining. Therefore, this granulation equipment has better erosion resistance and a longer service life.

Rubber lining of rotary drum granulator
Stainless steel press stripes for drum granulator erosion prevention

Stainless press stripes

In order to improve the corrosion resistance of rotary drum pellet making equipment, we adopts stainless steel press strips on rubber lining equipment. They can firmly fix the lining to the inner wall of drum pellet making machine and have  high erosion resistance because of using stainless steel as materials.

Cleaning holes

But after a long time running, there are still some materials sticking to the inner wall. And the granulation efficiency will be affected. Then how treat those sticking materials? You can clean them up with special holes. Using harmmers to knock those cleaning holes. The materials will fall under the action of vibration.

Cleaning hole of drum granulation machine

What is the price of the rotary drum granulator?

Can rotary drum granulator process manure compost into fertilizer pellets?

From the above introduction, we know that rotary drum granulation machine is an excellent choice for large scale compound fertilizer manufacturing. Then is it suitable for organic fertilizer granule making? The answer is yes. It has a high performance in anti-corrosion. So even using it to granulate a large amount of manure compost, it can complete this task quickly and easily.

Use animal manure as fertilizer

For example, last year, a customer from the USA inquired about the granulation equipment for large scale organic fertilizer granulation plant setup. And he told us that generally there are 300 tons of animal manure generated in the farms per day. Finally, this American customer choose rotary drum granulator for his organic fertilizer granulation plant. At present, this client has made profits from organic fertilizer manufacturing.

How to setup a fertilizer drum granulation plant?

If you want to setup a rotary drum granulation plant, buying drum pelletizer only is not enough. It is necessary to choose other fertilizer processing machines to establish a professional fertilizer granulation line. In this process, cost and factory area are two items you must pay attention to. So to establish a rotary drum fertilizer granulation factory, you need to do the following things:

What equipment is needed in a rotary fertilizer granulation line?

When you plan to create a compound fertilizer granulation line, besides rotary drum granulator, you also need to buy batching machine, crusher, mixer, screener, dryer, cooler, dust collector, dust fall room, coating equipment and belt conveyor. When it comes to organic fertilizer granulation line, you may also need to purchase dehydrator and large compost machine.

Rotary drum granulation line
20 t/h rotary drum granulation line cost

How much does a rotary fertilizer granulation plant setup cost?

Cost also plays an important role in rotary drum granulation plant setup. It contains the costs of equipment, workshop building, energy consumption, worker employment, etc. Then because our rotary drum granulation system has characteristics of low energy consumption and high automation. And as a source factory of fertilizer equipment, SX can provide you with equipment at a favourable price. You can setup the rotary drum granulation plant at a low cost.

What is the area occupation of a rotary fertilizer pellet making system?

The area occupation also will vary according to the capacity and configuration. Generally, a 5 t/h rotary drum granulation line needs an area of 3,000-4,500 ㎡. And you need to prepare a 5,500-10,000 ㎡site for a 20 t/h drum pellet making system installation.

Area of large rotary drum pellet making system

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