Capacity: 5-30 tons/hour
Granulation Type: Wet Granulation
Pellet Characteristics: Low hardness, uniform, and round
Pellet Formation Rate: 98%
Suitable Materials: Suitable for processing materials with high fiber content (such as composted straw) or slightly less viscous materials. Suitable for dry, loose materials (such as straw charcoal, weathered coal, and organic fertilizer)..
Drum: Installed at an angle, typically adjustable between 2° and 10°. Lined with wear-resistant material or equipped with baffles to enhance material tumbling.
Drive System: Consists of a motor, reducer, and other components, driving the drum. 3. Spray System: Evenly sprays liquid binder or water to achieve a suitable moisture level for granulation.
Hot Air System: Some equipment features this system for drying pellets and enhancing their strength.
Support Frame: Used to adjust the drum's inclination and control the material's residence time within the drum.
Application Areas
1. Organic Fertilizer Production: Converts organic waste into granular organic fertilizer for easier storage, transportation, and application, improving the slow-release properties of the fertilizer.
2. Bio-Organic Fertilizer Production: Suitable for granulating bio-organic fertilizers, helping to maintain the activity of the bio-bacteria.
3. Organic-Inorganic Compound Fertilizer Production: Mixes organic materials and inorganic fertilizers into granules to produce compound fertilizers tailored to the needs of different crops and soils.
Working principle of Rotary Drum Granulator：
The cylindrical drum rotates, lifting and dropping the material inside, causing it to tumble repeatedly. The material is then agglomerated into granules through surface tension and the action of a binder.
1. Rotational Motion: The drum is tilted and rotates slowly, typically at 520 rpm. The material rotates with it within the drum, causing it to tumble and turn under the combined effects of centrifugal force, gravity, and friction.
2. Agglomeration and Granulation: Powdered material is sprayed with a binder or water under moist conditions, gradually agglomerating into smaller particles. These particles then grow and compact through rolling collisions.
3. Particle Classification: Larger particles are discharged through the outlet by gravity, while ungranulated fine powder is returned for re-granulation.
Advantages of Rotary Drum Granulator:
1. Wide Applicability:
It has low particle size requirements and is suitable for highly viscous organic materials such as livestock and poultry manure, straw, and biogas residue.
2. High Pellet Quality:
The pellets formed by rolling compaction have high density, high strength, are resistant to breakage, and have a high appearance quality and a smooth and round surface.
3. High Adjustability:
Pellet size can be controlled by adjusting parameters such as speed, inclination angle, and humidity. The typical pellet diameter is 28mm.
4. Continuous Production:
The high degree of automation enables continuous large-scale production and high production efficiency.
Model | ASLZGZ-1240 | ASLZGZ-1560 | ASLZGZ-1870 | ASLZGZ-2080 | ASLZGZ-3210 |
Power(kw) | 5.5 | 11 | 15 | 18.5 | 37 |
Diameter(mm) | 1200 | 1500 | 1800 | 2000 | 3200 |
Length(mm) | 4000 | 6000 | 7000 | 8000 | 10000 |
Installation Angle(°) | 2-5 | 2-5 | 2-5 | 2-5 | 2-5 |
Rotary Speed(r/min) | 17 | 14 | 11.5 | 11 | 9.5 |
Capacity(t/h) | 1-3 | 3-5 | 5-8 | 8-15 | 15-30 |
What organic fertilizer raw materials is this equipment suitable for?
It is suitable for a variety of organic fertilizer raw materials, including livestock and poultry manure (such as chicken manure, cow manure, and pig manure), composted straw, fermented food waste, biogas residue, mushroom residue, and other harmlessly treated and composted organic materials. However, it is important to keep the moisture content of the raw materials within 30%-40%, and impurities (such as rocks and metal) must be removed in advance to avoid affecting the granulation effect and equipment life.
Can the particle size after granulation be adjusted?
Yes, it can be adjusted. Particle size is primarily controlled by adjusting the drum speed, inclination angle, material moisture content, and the amount of added binder. Generally speaking, faster drum speeds and larger inclination angles result in smaller particles. Appropriately increasing the moisture content or adding binder can increase particle size. Some equipment can also optimize particle size by replacing the internal lifter structure to meet different user requirements.
What is the production efficiency of the equipment? How many pellets can be produced per hour?
Production efficiency varies depending on the equipment model, raw material characteristics, and pellet size. A small rotary drum granulator can produce approximately The capacity of a granulator is 1-5 tons, with medium-sized equipment reaching 5-20 tons. Granulators used in large production lines can produce over 20 tons per hour. Actual production capacity also depends on factors such as the maturity and fluidity of the raw materials. Fully decomposed raw materials with few impurities significantly improve granulation efficiency.
Is energy consumption high during operation? Is it energy-efficient and environmentally friendly?
Compared to other methods, such as extrusion granulation, rotary drum granulators consume less energy. Their primary power comes from the motor that drives the drum, and energy consumption is proportional to the size of the equipment (e.g., a 10-ton/hour machine consumes approximately 15-22 kilowatts). Furthermore, the equipment produces no exhaust gas or wastewater during operation and converts waste organic matter into high-quality fertilizer, thus embracing energy conservation and environmental protection.
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