In order to meet the requirement of crop growth, compound fertilizer manufacturing has been an important part in fertilizer production. Because compound fertilizer can supply the nutrients that the soil lacks in a targeted manner. Such as nitrogen, phosphorus, potassium, etc. So there are so many customers prepare to invest in complex fertilizer production lines. From the feedback data for the first half of 2023, we find there are two types of compound fertilizer production lines that are hot selling with fertilizer suppliers.

compound wet granulation plant
compound dry fertilizer plant
compound BB fertilizer system
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Compound NPK Fertilizer Production Line

There are two granulation methods can produce compound fertilizer with different fertilizer equipment. Wet granulation process and dry granulation method. They have different production principles to make high quality compound fertilizer. Now, let SX fertilizer machine engineer introduce them.

NPK Fertilizer Wet Granulation Plant

Why do you choose this granulation process to make compound fertilizer?

Which uses liquid as binder to enhance the adhesive force between chemical powdery. This makes finished compound fertilizer pellets with higher density, which is beneficial for transport and storage. In addition, because of liquid involved, there will be less dust pollution in your NPK compound fertilizer making process. If your chemical material has a high moisture content, this NPK compound fertilizer preparation line is also an ideal choice for you.

Then how to produce NPK compound fertilizer and what equipment you can use?

First, it needs batching machine to feed chemical materials according to the required proportion.

Next, fertilizer mixer will blend different chemical powder evenly.

Then you need to use a suitable wet granulating machine to make mixed complex fertilizer powder into pellets. If you plan to start a small scale compound fertilizer plant, disc granulator is an ideal choice. But if you need a pelleting equipment for large scale complex fertilizer making, we recommend you choose rotary drum pelletizer.

And because of wet granulation, you also need dryer and cooler for your complex fertilizer production line.

compound NPK wet granulation Plant

Coating equipment

Then coating equipment will add a protective film to prevent moisture absorption and nutrients loss.

Automatic packaging machine

Finally, packing finished compound fertilizer by automatic packaging machine.

This is the whole process of complex fertilizer production with wet granulation method.

Compound Fertilizer Dry Granulation Manufacturing Line

Some customers consider the cost and moisture of making compound fertilizer. For this, compound fertilizer dry granulation manufacturing line is the best option for you.

Compound fertilizer dry granulation line, as the name suggests, there is nearly no water involved during this process of compound fertilizer manufacturing. For one thing, the chemical material has a low moisture content of below 10%. For another, it doesn’t need water in the process of granulation. Double roller granulator is an ideal choice for dry granulation of compound fertilizer. It mainly turns chemical powder into granules by extrusion of two rollers. There is only physical force and no chemical reaction.

As mentioned above, there is nearly water needed in the compound fertilizer dry granulation line. So it also doesn’t need to buy drying machine and cooling equipment to reduce exceed moisture. This can help you reduce costs on equipment, factory rent and energy consumption. So you can produce compound fertilizer at a lower cost.

compound dry roller granulator production line
NPK pellets in double roller granulator for compound dry fertilizer plant

BB Compound Fertilizer Making Line

Compared with the above production line, this BB compound fertilizer production line has more benefits.

Less Space Occupation

In general, this compound fertilizer line mainly consists of three fertilizer processing machines. Batching machine, BB fertilizer mixer and packaging machine. To a certain degree, the compound fertilizer making line with fewer machines denotes less space occupation.

High Automation

The whole process of granular complex fertilizer blending line is operated by an electrically automatic control system. Therefore, it has a high degree of automation. And only 2-3 workers can keep the entire BB fertilizer preparation line running normally.

Low Cost

From the above, we can know that this bulk blending fertilizer making line has characteristics of fewer fertilizer machines, less space occupation, less labor force employment. In other words, it can spend less on equipment buying, fertilizer factory rent and labor force.

Flexible Adjustment of Formula

Using this compound fertilizer blending line, you can produce various BB fertilizers flexibly.

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