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8-12TPH Rotary Drum Granulation Production Line

The comprehensive equipment set for the 8-12TPH organic fertilizer granule production line includes key components like organic fertilizer fermentation tanks, compost turners, organic fertilizer crushers, rotary drum granulators, rotary drum dryers and coolers, drum screening machines, and automatic packaging machines. After screening by the screening machine, products meeting the required standards are sent for packaging, while any unsatisfactory products are recycled back to the granulator for further granulation.

Spherical organic fertilizer production line

Technical Data of 8-12TPH Rotary Drum Granulation Production Line

ItemProd CapacityPower (kw)Quantity (set)
Pan Feeder2.5-5t/h2.5-5.51
Organic Fertilizer Fermentation Tank7-10m³/day231
Compost Turner500-700m³/h751
Dewatering Machine0.3-1/0.541
Fertilizer Crusher1-2t/h221
Rotary Drum Granulator8-12t/h221
Rotary Drum Dryer63.5-144.5t/d781
Rotary Drum Cooler1-2t/h5.51
Rotary Drum Screener1-3t/h32
Fertilizer Packing Machine3-8 bag(s)/minute1.52
Belt Conveyor 12 
Dust Settling ChamberDrawing is provided 1
Hot Blast StoveDrawing is provided 1

NOTICE: This production line is for your reference only. Engineers and sales staff will design it specifically for you based on your raw materials, self-built factory, and capital budget.

8-12TPH organic fertilizer granule production line process:

The process flow and corresponding common equipment are introduced in detail below. Contact us and we will introduce you face-to-face to the equipment composition and construction planning scheme of an organic fertilizer production line with an output of 80,000 tons to 120,000 tons per hour, and provide an organic fertilizer production formula suitable for your needs:

Collect organic fertilizers

In the organic fertilizer manufacturing process, the initial step involves gathering organic raw materials, such as agricultural residue, livestock and poultry manure, and plant straw. Once collected, these raw materials undergo an initial sorting and processing phase to streamline the subsequent stages of production.

Aerobic fermentation

The collected organic raw materials are sent to the aerobic fermentation pile after preliminary treatment. We provide two types of fermentation equipment: organic fertilizer fermentation tanks and turners. The specific differences are as follows: Organic fertilizer fermentation tanks are usually sealed containers with appropriate ventilation facilities to ensure an adequate supply of oxygen and facilitate aerobic fermentation. After proper proportioning, ventilation, humidity control, and other conditions, organic raw materials are fully exposed to oxygen and fermented through the action of microorganisms. The compost turner turns and stirs the fermented organic materials to promote the uniformity and ventilation of the fermented materials.

Material crushing

In general, organic materials loosen during aerobic fermentation, yet optimal granulation requires further size reduction. Our offered organic fertilizer crusher efficiently crushes materials to the required particle size. The crushing process not only enhances granulation but also improves subsequent granulator efficiency. Scientific and efficient crushing ensures uniform and stable texture, producing high-quality organic granular fertilizer meeting specified requirements.

Material mixing

After the organic raw materials are crushed, further stirring is required. The organic fertilizer mixer fully mixes the crushed organic raw materials through stirring and turning movements, effectively preventing the organic materials in the fermentation pile from clumping due to high density, uneven humidity, etc., and ensuring the uniformity of the materials in the fermentation pile.

Material granulation
The next crucial step in organic fertilizer production involves sending the aerobically fermented and crushed organic raw materials to the granulator rotary drum for granulation. The rotating drum subjects the materials to high-speed rotation, gradually forming granules. Ultimately, the granulator operation successfully converts organic raw materials into uniform and stable organic fertilizer particles. These resulting granules possess optimal particle size, mechanical strength, and are convenient for storage, transportation, and application, offering practicality for the widespread use of organic fertilizers.
Fertilizer drying
The initial step involves drying the material before entering the dryer. As the rotary drum dryer, internal fins along the inner wall lift the material. Once reaching a specific height, the fins retract, allowing the material to fall back to the dryer’s bottom. During this descent, the material passes through a hot gas stream. The system boasts independent air heating systems and centralized waste discharge, resulting in noteworthy energy and cost savings.
Fertilizer cooling
The rotary drum cooler plays a crucial role in extracting water from fertilizer and reducing its temperature. Often employed alongside a rotary dryer in both organic and inorganic fertilizer production, it significantly enhances the cooling process, alleviating labor-intensive tasks. Additionally, the versatile rotary cooler can be utilized for cooling various powdered and granular materials beyond fertilizers.
fertilizer cooler
fertilizer dryer
Material screening

The purpose of screening is to remove fine particles or agglomerates between particles to ensure the uniformity and quality of the final product. The rotary screen machine divides the particles into different levels according to size by vibrating the screen surface, and can effectively remove particles that do not meet the requirements.

Material packaging
fertilizer packing machine
Any fertilizer particles failing to meet quality standards will be conveyed to the fertilizer crusher for further refinement. In contrast, the finished and approved products will be directly transported to the automatic fertilizer packaging machine for packaging.

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Raw Materials for Organic Fertilizer Production Line


The process flow of the organic fertilizer production line is more complicated than that of the powdered organic fertilizer production line. The main requirements include organic fertilizer fermentation tanks, compost turners, crushers, rotary drum granulators, screening machines, dryers, coolers, automatic packing machines, and belt conveyors. Therefore, the budget for setting up a granular organic fertilizer plant is $110,000 to $550,000.

Rotating drum granulation has the advantages of high granulation efficiency, uniform particles, and easy operation. It is suitable for a variety of fertilizer raw materials and can achieve continuous production. 

Yes, most equipment suppliers will provide after-sales services, including installation and commissioning, training of operators, equipment maintenance and upkeep, etc. Users can get a full range of support and services after purchasing.

Yes, we provide customized services and can design and customize production lines according to customers’ specific needs to adapt to different production requirements.

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