In order to prepare higher quality fertilizer and make more profits from fertilizer production, more and more fertilizer manufacturers prefer to invest in granular fertilizer making. Then to meet the requirements for fertilizer granulation, we design various pellets making machines for your choice. Pan pelletizer is one of them and has won the trust of fertilizer suppliers at home and abroad. So when you set up a disc granulator fertilizer production line, it can better produce fertilizer granules. And whether you want to process chicken manure, cow dung or NPK into fertilizer pellets, this plant can complete it quickly. In addition, disc granulation plant only needs low investment and a small area site. So if you want to start your fertilizer manufacturing business, it will be an ideal choice for you!

Sophie

Senior Plant Design Engineer

Learn more about setting up fertilizer plant

Contact us to get a fertilizer production line for your plant

What raw materials are suitable for disc granulation plant?

When choosing a suitable fertilizer production line for your fertilizer plant, it is important to consider if the line can process the materials you have. Whether you aim to produce organic fertilizer, compound fertilizer, or bio fertilizer, the SX disc pelleting line is an excellent option for you.  In the pan granulation line, there are various materials that you can use. Some of these materials include:

Material for organic fertilizer or bio fertilizer making

Many manufacturers of fertilizers utilize it as the primary material for producing organic or bio fertilizers. The composition includes chicken manure, cow dung, horse manure, pig droppings, and more. They are known to be abundant in essential nutrients such as nitrogen, phosphorus, potassium, etc. And these nutrients are necessary for promoting the healthy growth of crops and plants.

Straw, corn cob, rice hull, peanut shells, sawdust, and other similar materials are excellent options for use as supplemental materials in the production of organic or bio fertilizers. They offer multiple benefits in enhancing the quality of your fertilizer product. On the one hand, they contribute to the enrichment of nutrients within the fertilizer. On the other hand, these materials typically have a low moisture content, making them effective in balancing the excessive water content found in animal manure. This enables the manure to become suitable for composting.

You can also collect other waste to make organic fertilizer or bio fertilizer. Such as biogas residue, mushroom waste, sludge, sugar factory waste and distiller’s grains, etc.

disc granulation material

Material for compound fertilizer production

disc compound fertilizer granulation material

If you want to make compound fertilizer with rich nitrogen element. You can use area, ammonium chloride, ammonium sulfate and calcium nitrate as materials.

When you want to increase the phosphorus content of your compound fertilizer. Monoammonium phosphate (MAP), diammonium phosphate (DAP) and superphosphate (SSP) are excellent options for you.

Then potassium chloride (MOP), potassium sulfate (SOP), potassium carbonate and plant ash is the key to the production of potassium complex fertilizer.

What granulation method is used in pan granulation line?

The wet granulation method is primarily employed in the fertilizer pan granulation line. This technique involves utilizing liquid as a binder to enhance the adhesive force between fertilizer powders. Consequently, the resulting fertilizer pellets possess a higher density and exhibit resistance against pulverization. Such fertilizers can be easily transported and stored. To facilitate the addition of liquid during the operation of the disc granulation line, we have incorporated a specially designed spraying device above the pan pelleting machine. As the powdery material is conveyed into the disc pelletizer and the disc commences its rotation, you have full control over the quantity of liquid sprayed by this apparatus. And this capability greatly contributes to the improvement of fertilizer particle quality.

Top 2 popular disc granulation lines for your choice

From the above, we can know that the pan granulation production line can be used in organic and compound fertilizer making. Is there any difference between them? There are some details about them for your reference.

Compound fertilizer disc granulation plant

In the beginning, it needs an automatic batching machine to ensure that the proportion of raw materials is consistent with the formula. Then fertilizer mixer will help you mingle them evenly to prevent nutrients imbalance. Next, pan granulator will turn powdery chemica materials into particles, Then granular fertilizer screener can help you separate required pellets from the unqualified. And because wet granulation method usually involve liquid in fertilizer making process. It is advisable to use dryer and cooler to further remove excessive moisture of compound fertilizer granules. Finally, you need an automatic packaging machine to bag finished complex fertilizer. SX can provide you with all equipment for this compound fertilizer pan granulation line. It has high quality and strong adaptability. So you can use it to make NPK fertilizer, urea complex fertilizer, nitrogen compound fertilizer, etc.

compound fertilizer pan granulation line
  • 1

    Capacity: 0.02-6 t/h

  • 2

    Material: Carbon steel Q235/Alloy

  • 3

    Voltage:220v/380v/415v/440v/480v(50Hz/60Hz)

  • 4

    Chemical material shape: powder or granule

  • 5

    Types: NPK fertilizer making, bulk blending fertilizer production, SSP fertilizer manufacturing, etc

Organic fertilizer pan pelleting line

As mentioned above, the preparation of organic fertilizer mainly uses animal manure as material, which contains a large amount of harmful bacteria and pest eggs. Here fertilizer composting machines can help you a lot. It can turn and stir the manure to facilitate the compost process to kill bad substances in it. And for this, we have trench type compost turner, windrow composter and in-vessel fermentation tank for your choice. After composting, you will find that the material has a phenomenon of sticking and agglomeration. This will reduce the effect of granulation. Therefore, we equip this organic fertilizer line with a fertilizer crusher to grind material into fine powder. Then you can transport it to the batching machine and continue to process it. But if you use fresh animal manure to make organic fertilizer, excessive moisture will reduce the quality of final fertilizer. SX can provide you with dewatering machine to reduce the water content of manure.

organic fertilizer disc granulation plant
  • 1

    Capacity: 0.02-6 t/h

  • 2

    Final shape: Granules

  • 3

    Final granule size: 3-10 mm

  • 4

    Equipment types: Dewatering machine, composter, crusher, mixer, disc granulator, dryer&cooler, screener, packaging equipment, etc

  • 5

    Application materials: Animal manure, straw, rice husk, sawdust, mushroom waste, biogas residue

How to change the size of fertilizer pellets in disc granulator fertilizer plant?

During granular fertilizer making, there is an item many fertilizer manufacturers focus on. It is how to produce fertilizer pellet of the required size? 0r how to change fertilizer granule size? If you choose to make organic or compound fertilizer by pan granulation line, our engineers have two advice for you.

Control moisture content

Water content plays an important role in fertilizer pellet size regulation. Generally speaking, less water, smaller size; much water, bigger size. And in order to make it easier to control the moisture content of fertilizer material, we especially design spraying device above the pan granulating machine.

Control moisture content of disc pelletizer
Pan Slope Angle in disc pelletizer

Adjust the disc angle of granulator

For fertilizer pan granulation line, there is also another method to change your fertilizer particle size. You can finish it by adjusting the disc angle between 35 degrees and 55 degrees. Sharp slope, smaller size; slow slope, bigger size. Doing this, you can produce fertilizer granule with a diameter you need within 1-8 mm.

How to make granules fertilizer in pan production line?

The disc granulation production line is low in cost, easy to operate, and has a high pelleting rate. Below I will introduce its production process for you.

  • First of all, you can use a trough type turning and throwing machine to turn over the fertilizer. After turning over, if the desired effect is not achieved, you can use the fermenter to decompose and heat up quickly.

  • In addition,you need to crush and screen the larger materials to select materials suitable for fertilizer making.

  • Then you can carry out granulation. By using a disc granulator to granulate, the pelleting rate is high and easy to use.

  • Finally, you can carry out drying and cooling to reduce the temperature of the fertilizer to the standard required for bagging.

  • Choose whether to install an automatic packaging machine according to your needs.

Working principle for pan granulation machine in your production line

pan granulator

After mixing the material evenly, you can transport it to the top of the disc by the conveyor. In addition, continuously adding quantitatively to the disc, and spraying an appropriate amount of water.

After the raw material ball core enters the ball forming disc, centrifugal force, friction force and gravity affect it in the disc. Furthermore, it moves along a parabola.Due to the cohesiveness and plasticity of the material, bonding the ball cores to each other and gradually grow up during the movement.

When the inclination angle of the ball forming plate, the height of the edge of the plate, the rotation speed and the water content are constant. The balls of different particle sizes will leave the edge of the plate and roll down at different angles due to the difference in gravity.

In the process of continuous rolling, discharging the water in the ball continuously out of the surface. Due to the cohesiveness of the material and the natural volatilization of the liquid film on the surface, the ball has a certain strength.  Then with the rotation of the tilting plate, it moves from the edge of the disc comes out of the disc.

Why should you have a disc granulator fertilizer production line?

There are many benefits to owning a disc granulation production line, let’s start with its performance.

  • You can have a low investment: the total investment of compound fertilizer produced by disc granulation can be saved by 30% compared with other processes.

  • The raw materials of disc granulation have wide adaptability and the production formula is flexible. In addition, it is more suitable for the production of low-nutrient compound fertilizer (20%-35%).

  • The quality of the product meets the national standards in terms of nutrients, moisture, particle size, strength, and water-soluble phosphorus.

  • Convenient operation: disc granulation is easy to make you control and flexible to adjust.

  • You can have low production cost and high economic benefit.

Selection equipment for disc granulator fertilizer plant

According to the different production environment and production requirements, you can choose the material and shape of the disc granulator by themselves. According to different production requirements, the diameter of the selected disc is also different from 1800-3600mm. Then you can choose according to the parameters. If the output is large, they can also purchase multiple sets to improve production efficiency.

Moisture for making fertilizer in the pan granulator fertilizer production line

The moisture of the material is very important in the whole production line. It is related to the fertilizer efficiency and hardness of the fertilizer. In addition, the composition and moisture of raw materials determine the pelleting rate of fertilizer granules in the disc granulator. To ensure good moisture uniformity and material composition that can be rolled into balls, the moisture required for pelleting cannot be reduced due to later drying. Because it will cause seriously affect the ball into the rate.

4 Ways to increase capacity of pan granulator fertilizer production line

For a fertilizer manufacturer, the output of a disc pelleting line is of the most importance. But how to get a high capacity of your line? We should pay special attention to the key equipment in the fertilizer production plant – disc granulator.

According to the characteristics of the powder: composition, fineness, viscosity, humidity, temperature, etc., you should control the water content of the particles at about 30-28%.

You can grab a handful of balled materials from the disc granulator by hand, and it is advisable to hold them into balls and loosen them with a light touch with your fingers. In this way, there are many grains, high output, and it is not easy to block the screen surface.

The working mechanism of the must be mastered when selecting the nozzle. This allows for better adjustment during work.

The blade is a wearing part, so you need to replace it regularly to ensure the efficiency of production

disc pelleting production line

Through the improvement and understanding of the disc granulator, the efficiency of the entire production line can be improved overall.