NPK Fertilizer Double Roller Granulator Manfacturer

NPK Fertilizer Double Roller Granulator

Double Roller Granulator Capacity: 0.8-3.5 tons per hour Double Roller Granulator Raw Materials: Potassic fertilizers, Nitrogen fertilizers, Phosphate fertilizer Double Roller Granulator Applicated range: NPK fertilizer production Double Roller Granulator Advantage: small space, dry processing, low energy consumption, low investment

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Technical Parameter of Double Roller Granulator

Model Power




Rotate Speed


Roller Size


Granule Diameter




Granulating Ratio
GTZR-1.0 11 0.8-1 1450 Φ150*220 Φ2.5-Φ10 1200*700*1000 >95%
GTZR-1.5 15 1-1.5 1450 Φ150*300 Φ2.5-Φ10 1300*800*1100 >95%
GTZR-2.0 22 2-3 1450 Φ168*300 Φ2.5-Φ10 1550*890*1150 >95%
GTZR-3.0 30 3-4.5 1450 Φ300*300 Φ2.5-Φ10 1900*1050*1200 >95%


Introduction of Double Roller Granulator

NPK fertilizer double roller granulator is the key equipment for compound fertilizer granulation. It uses squeezing principle to form fertilizer particles with diameters of 3.5-10mm in one time.

The shape and size of the ball socket on the roller shell can be customized by customer.

Dry type fertilizer double roller granulator has higher granulating ratio of over 95%.

With no drying technology, materials will be pressed into ball shape to meet the requirements of compound fertilizer production in double roller granulator.

Feature of Double Roller Granulator

1. No drying process, normal temperature granulating, one-step forming in double roller granulator.

2. Low energy consumption and no waste water or gas emission.

3. Easy operation and maintenance, no need installation.

4. Press rollers adopt new metal which is resistant to corrosion, wear and impact.

Advantage of Double Roller Granulator

1. Reasonable structure, machines will be tested before transporting and roller will be polished in perfect using.

2. Wide application scope: no only for NPK fertilizer production, but for cat litter working.

3. High granulating ratio, higher than 95% in double roller granulator.

4. No drying need, simple working make big benefits.

5. Environmental working, low energy consumption and no waste emission from double roller granulator for fertilizer production.

Working principle of Double Roller Granulator

This series of double roller granulator is extruded model, and its working principle is:

1. Electromotor drive the belt and pulley, then it is transmitted to the driving shaft by the speed reducer, and by synchronizing the open gear with the passive shaft, achieving the working in the same direction.

2. Material is added from the hopper, after the double roller granulator roll extrusion forming, demoulding pelletizing, and through a chain, the balls are transferred to the broken screen studio, sieving and isolate the finished products (the balls), then return to mix with new materials and granulate again.

If you have any other special requirements, please contact us for product customization!