Because limestone pellets can effectively improve acidic soil in farmland, most fertilizer project to invest in limestone pellets fertilizer production. Like the customer from Australia, who inquired about limestone fertilizer product on 12th March 2023. Finally, after discussing the details, he chose our rotary drum granulation machine to make limestone pellets. The following are the specific details of communication in this case.

Limestone pellets
Cassie

Senior Granulator Design Engineer

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Why Should you Make Limestone Pellets in Australia?

Customer from Australia wanted to produce limestone pellets, but we must first know what benefits it can bring us. First limestone particles are generally used to increase the pH of acidic soils and reduce the content of water-soluble aluminum in the soil solution. Water-soluble aluminum in soil is detrimental to root growth of many plants. A large part of the stunted growth of crops on acidic soils is due to the poisoning of water-soluble aluminum. In addition, Australia is rich in limestone, and the raw materials are abundant. So the production of limestone pellets can:

Benefits of using limestone pellets

  • Increases Phosphorus Availability;

  • Improving Nitrogen Fixation in Leguminous Crops;

  • Enhances Nitrogen Mineralization and Nitrification;

  • Make the root system more robust, conducive to water utilization, activating nutrients and improving plant physiological functions.

How to Make Limestone Pellets in Drum Granulator?

Then after knowing the benefits of producing limestone pellets, the most important thing is how to produce them. Customer from Australia wanted to have a limestone fertilizer pelletizing plant. So we recommend him to configure a rotary drum granulator production line.

Crushing is the first stage of limestone production. First of all, he can use a jaw crusher for coarse crushing to break large pieces of material into small pieces.

Secondly, the smaller the limestone particle size, the longer-lasting its effects. So customer from Australia can use Raymond mill to further crush limestone into powder.

Thirdly, the thickness of the limestone strength determines the effect of the final product. So customer from Australia can equip a screening machine according to the required mesh. In this way, the quality of the final product produced will be better.

jaw crusher
Raymond mill
rotary screen machine
drum granulation machine
drying limestone fertilizer
manure bagging for sale

In addition, he can use rotary drum granulator to make limestone pellets. Because this machine can produce fertilizer with large scale production, which is suitable for his needs.

Then because drum granulator adopts wet granulation process, so customer from Australia need to dry and cool these pellets. Through drying, their moisture content can get 15-20%.

After that he can pack the finished limestone pellets. Because it can be convenient to transport and storage for him. If customer’s budget is adequate, he can configure the automatic palletizer to help him place the packaged fertilizer.

How about the Final Limestone Granules of Rotary Drum Granulation Line?

However, the final fertilizer granule is still the best way to test whether the limestone rotary drum granulation system is suitable for you or not. Hence, the client from Australia finally asked us about the following items:

What is the final granule size of rotary drum granulator production line?

3-6mm. When you want to adjust the size of limestone fertilizer pellets you produce, you only need to change moisture content or control the rotating speed of the drum. That is, 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.

limestone granules

What is the energy consumption of granules made from this rotary drum granulator making plan?

37kw. 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.

Do the quality of final rotary drum granulation products meet the international requirements?

Of course. There are two reasons. For one thing, you can add lignosulfonate bacteria in the final coating process. It increases the hardness of the pellets and improves the overall quality. For another, the CaCO3 of the raw material can reach 98.7%, which can make the calcium carbonate content of the final product very high and effectively prevent acidification of the soil.

lignosulfonate bacteria

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