In general, there are two methods commonly used in granular compost fertilizer making. Wet granulation and dry granulation. Each compost fertilizer granulation method has its own advantages. This make them suitable for different types of compost pelleting production. In order to fully meet your requirements, YUSHUNXIN especially design various compost granulating machines for each method.

What is the wet granulation method of compost pellets making?

Wet granulation involves the use of a liquid binder to help compost powder form granules.

3 Benefits of wet compost granulation

Commonly, granulating composted manure with wet granulation equipment provides several advantages for compost pellet making.

Liquid adding can enhance cohesion between compost fertilizer powder. So, the composted manure will combine and form into organic fertilizer pellets faster.

Because of liquid involved, the dust generation is greatly reduced. This is beneficial for keeping workers health.

The compost granule from wet granulation method has a low pulverization but easy to supply nutrient to crops.

Pelletized compost produced by fertilizer wet granulation machine

What is the process of wet compost fertilizer granulation method?

Wet granulation line of compost fertilizer

Generally, the process of a complete compost fertilizer pellet making is complex. Including batching machine → compost grinder → fertilizer mixer → wet granulation machine → compost screener → rotary dryer and cooler → coating machine → automatic packaging scale.

Top 3 types of wet granulation equipment

In this process, wet granulation equipment is indispensable. Considering the feedback from granular compost fertilizer manufactures, we designs 3 types of wet granulation machines for your choice.

  • Disc pelletizer with economical price for small scale compost organic fertilizer granulation.

  • Rotary drum granulator with high erosion-resistance for mass production of compost pellets

  • New type organic fertilizer granulator with stirring teeth for making granulated compost fertilizer with high hardness.

What is the dry compost fertilizer granulation method?

As the name suggests, dry granulation of compost will produce compost granules in a dry condition. It mainly relies on mechanical extrusion force to press compost powder into fertilizer pellets.

What advantages of dry granulation favoured by fertilizer businesses?

Because of nearly no water needed in dry granulation of compost, there is no need to dry and cool compost pellets in subsequent processes. In this way, you can finish the production of compost granules at a simpler process and a lower investment.

In addition, with dry granulation machine, there is a higher granulation rate of compost pellets making. It can reach to 95%-97%.

Then, for some temperature sensitive material, like bacteria, humic acid, etc, dry granulation equipment is the best choice. Without drying, the activity cannot be damaged.

Compost pellets from dried compost granulation machine

How dry granulation line work to make compost in pellets?

As mentioned above, without dryer and cooler. So, a dry granulation process of compost only contains material batching machine → compost crusher → fertilizer mixer → dry granulation machine → compost screener →automatic bagging equipment.

Dry compost granulation plan design

Common types of dry granulation machine of compost

In general, for dry compost fertilizer granulation method, there are two types of equipment for your choice. Double roller granulator can make 3-10 mm flat ball compost pellets for you. While flat die pellet mill will produce column granulated compost with 1-10 mm.

If you are interested in compost pellet making business,welcome to contact us now. We will offer you the best solutions according to your conditions.

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